Air conditioner outdoor unit and air conditioner

Abstract

An air conditioner outdoor unit and an air conditioner. The air conditioner outdoor unit comprises: a shell, which has a heat exchange chamber and a mounting chamber inside, the heat exchange chamber and the mounting chamber being arranged in sequence in a first direction; a first compressor and a second compressor, which are arranged in the mounting chamber and in sequence in the first direction, and the second compressor is located on the side of the first compressor away from the heat exchange chamber; a first economizer and a second economizer, which are located in the mounting chamber, and the first economizer is located between the first compressor and the second compressor, and the second economizer is located on the side of the second compressor away from the heat exchange chamber; a first pressure tank and a second pressure tank, which are located in the mounting chamber, and in a second direction, the first pressure tank and the second pressure tank are located on the same side of the first compressor and the second compressor, and in the first direction: the first pressure tank is located between the first compressor and the heat exchange chamber, and the second pressure tank is located on the side of the second compressor away from the heat exchange chamber. The air conditioner outdoor unit with such a layout can be designed to be smaller in size.

Description

Technical Field

[0001] This application relates to, but is not limited to, the field of air conditioning equipment technology, specifically referring to an outdoor air conditioning unit and an air conditioner. Background Technology

[0002] The outdoor unit of a traditional high-capacity multi-split heating unit consists of a casing and a single heat pump system located within the casing, which includes a compressor, a pressure tank, and an economizer. Utility Model Content

[0003] This application provides an air conditioner outdoor unit, including a housing and two heat pump systems. The two heat pump systems include a first heat pump system and a second heat pump system. The first heat pump system includes a first compressor, a first economizer, and a first pressure tank. The second heat pump system includes a second compressor, a second economizer, and a second pressure tank. Because this type of air conditioner outdoor unit has more components, how to arrange it to make its structure more compact, its size smaller, and its footprint smaller is a technical problem that urgently needs to be solved by those skilled in the art.

[0004] This application provides an air conditioner outdoor unit, including a housing, a first heat pump system, and a second heat pump system. The housing has a heat exchange chamber and a mounting chamber inside, which are arranged sequentially in a first direction. The first heat pump system includes a first compressor, a first economizer, and a first pressure tank. The second heat pump system includes a second compressor, a second economizer, and a second pressure tank. The first and second compressors are installed in the mounting chamber and arranged sequentially in the first direction, with the second compressor located on the side of the first compressor away from the heat exchange chamber. The first and second economizers are located in the mounting chamber, with the first economizer located between the first and second compressors, and the second economizer located on the side of the second compressor away from the heat exchange chamber. The first and second pressure tanks are located in the mounting chamber. In a second direction, the first and second pressure tanks are located on the same side of the first and second compressors. In the first direction, the first pressure tank is located between the first compressor and the heat exchange chamber, and in the first direction, the second pressure tank is located on the side of the second compressor away from the heat exchange chamber. The first, second, and vertical directions intersect each other.

[0005] In some exemplary embodiments, the installation chamber includes a first sub-chamber and a second sub-chamber, the first sub-chamber being located below the second sub-chamber, the first compressor, the second compressor, the first economizer, the second economizer and the first pressure tank being located in the second sub-chamber, and the second pressure tank being located in the first sub-chamber.

[0006] In some exemplary embodiments, the first direction is the left-right direction, the second direction is the front-back direction, the heat exchange chamber is located on the left side of the mounting chamber, the first pressure tank is located on the left rear side of the first compressor, and the second pressure tank is located below the rear side of the second economizer.

[0007] In some exemplary embodiments, the first heat pump system further includes a first tube heat exchanger, the second heat pump system further includes a second tube heat exchanger, and the outdoor unit of the air conditioner further includes a three-way water distribution pipe and a three-way water collection pipe. The first tube heat exchanger and the second tube heat exchanger are located in the first sub-cavity and arranged vertically. The two outlets of the three-way water distribution pipe are connected to the inlets of the first tube heat exchanger and the second tube heat exchanger in a one-to-one correspondence. The two inlets of the three-way water collection pipe are connected to the outlets of the first tube heat exchanger and the second tube heat exchanger in a one-to-one correspondence.

[0008] In some exemplary embodiments, the first shell-and-tube heat exchanger is located above the second shell-and-tube heat exchanger in the vertical direction, the first pressure tank is located above the first shell-and-tube heat exchanger in the vertical direction, and the second pressure tank is located above the second shell-and-tube heat exchanger in the vertical direction.

[0009] In some exemplary embodiments, the second direction is a front-to-back direction. The first heat pump system further includes a first valve path structure, and the second heat pump system further includes a second valve path structure. The first valve path structure is located within the second sub-cavity and on the side of the first compressor adjacent to the heat exchange chamber. The second valve path structure is located within the first sub-cavity and on the rear side of the first and second shell-and-tube heat exchangers. Both the first and second valve path structures include a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve, a first three-way valve, a second three-way valve, a third three-way valve, and a fourth three-way valve. The inlet of the first one-way valve and the inlet of the second one-way valve are connected to the two ports of the first three-way valve in a one-to-one correspondence. The outlet of the third one-way valve and the outlet of the fourth one-way valve are connected to the two ports of the second three-way valve in a one-to-one correspondence. The outlet of the first one-way valve and the inlet of the third one-way valve are connected to the two ports of the third three-way valve in a one-to-one correspondence. The outlet of the second one-way valve and the inlet of the fourth one-way valve are connected to the two ports of the fourth three-way valve in a one-to-one correspondence.

[0010] In some exemplary embodiments, the first heat pump system further includes a first condenser, the second heat pump system further includes a second condenser, and the outdoor unit of the air conditioner further includes a first fan and a second fan. The first condenser and the second condenser are located in the heat exchange chamber and arranged vertically. The first fan and the second fan are located in the heat exchange chamber and are arranged in a one-to-one correspondence with the first condenser and the second condenser.

[0011] In some exemplary embodiments, the second direction is the front-to-back direction, the first heat pump system further includes a first four-way valve, the second heat pump system further includes a second four-way valve, the outdoor unit of the air conditioner further includes an electrical control box, the electrical control box is located in the mounting cavity and above the first compressor and the second compressor, and the first four-way valve and the second four-way valve are located on the rear side of the electrical control box.

[0012] In some exemplary embodiments, the first four-way valve and the second four-way valve are offset in the second direction and the vertical direction, and the coil of the first four-way valve is located on the side of the valve body of the first four-way valve away from the heat exchange chamber, and the coil of the second four-way valve is located on the side of the valve body of the second four-way valve away from the heat exchange chamber.

[0013] This application also provides an air conditioner, including the outdoor unit of the air conditioner described in any of the above embodiments.

[0014] The air conditioner outdoor unit provided in this application embodiment has a first compressor and a second compressor installed in the installation chamber and arranged sequentially in a first direction. The second compressor is located on the side of the first compressor away from the heat exchange chamber. A first economizer and a second economizer are located in the installation chamber, with the first economizer located between the first and second compressors and the second economizer located on the side of the second compressor away from the heat exchange chamber. A first pressure tank and a second pressure tank are located in the installation chamber. In a second direction, the first pressure tank and the second pressure tank are located on the same side of the first and second compressors. In the first direction, the first pressure tank is located between the first compressor and the heat exchange chamber, and in the first direction, the second pressure tank is located on the side of the second compressor away from the heat exchange chamber. This scheme arranges the positions of the first compressor, the first economizer, the first pressure tank, the second compressor, the second economizer, and the second pressure tank in the installation chamber according to the above layout. The first compressor, the first economizer, the first pressure tank, the second compressor, the second economizer, and the second pressure tank can be arranged more compactly in the installation chamber, so the size of the air conditioner outdoor unit can be designed to be smaller and the floor space can be designed to be smaller.

[0015] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the technical solution of this utility model and constitute a part of the specification. They are used together with the embodiments of this application to explain the technical solution of this utility model and do not constitute a limitation on the technical solution of this utility model.

[0017] Figure 1 Schematic block diagrams of the structure of an air conditioner outdoor unit provided in some embodiments of this application; Figure 2 and Figure 3 for Figure 1 A schematic block diagram of a partial structure of the outdoor unit of the air conditioner is shown. Figure 4 This is a schematic diagram of the main structure of an air conditioner outdoor unit provided in some embodiments of this application; Figure 5 for Figure 4 The diagram shows a top view of the outdoor unit of the air conditioner. Figure 6 A rear view structural schematic diagram of an air conditioner outdoor unit provided in other embodiments of this application; Figure 7 for Figure 6 The diagram shows the main structural view of the outdoor unit of the air conditioner. Figure 8 for Figure 6 The diagram shows the right view of the outdoor unit of the air conditioner. Figure 9 for Figure 6 The diagram shows a top view of the compressor.

[0018] The attached diagram lists the components represented by each number as follows: 100 Shell, 110 Heat exchange chamber, 120 Mounting chamber, 121 First sub-chamber, 122 Second sub-chamber, 130 Water tray, 140 Support beam, 200 First heat pump system, 201 First compressor, 202 First economizer, 2021 First flow path, 2022 Third flow path, 203 First pressure tank, 204 First shell-and-tube heat exchanger, 205 First valve structure, 206 First condenser, 207 First four-way valve, 208 First throttling component, 209 Third throttling component, 210 Fourth radiator, 300 Second heat pump system, 301 Second compressor, 302 Second economizer, 3021 Second flow path, 3022 Fourth flow path, 303 Second pressure tank, 304 Second shell-and-tube heat exchanger, 305 Second valve structure, 306 Second condenser, 307 Second four-way valve, 308 Second throttling component, 309 Fourth throttling component, 310 Second radiator, 400 Tee-connector, 500 Tee-connector, 610 First fan, 620 Second fan, 630 Electrical control box, 710 First check valve, 720 Second check valve, 730 Third check valve, 740 Fourth check valve, 750 First tee, 760 Second tee, 770 Third tee, 780 Fourth tee, 800 Filter. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

[0020] The air conditioner outdoor unit provided in this application embodiment, such as Figures 4 to 9As shown, the system includes a housing 100, a first heat pump system 200, and a second heat pump system 300. The housing 100 has a heat exchange chamber 110 and a mounting chamber 120 inside, which are arranged sequentially in a first direction. The first heat pump system 200 includes a first compressor 201, a first economizer 202, and a first pressure tank 203. The second heat pump system 300 includes a second compressor 301, a second economizer 302, and a second pressure tank 303. The first compressor 201 and the second compressor 301 are erected within the mounting chamber 120 and arranged sequentially in the first direction, with the second compressor 301 located on the side of the first compressor 201 away from the heat exchange chamber 110. An economizer 202 and a second economizer 302 are located within the mounting chamber 120. The first economizer 202 is located between the first compressor 201 and the second compressor 301, while the second economizer 302 is located on the side of the second compressor 301 away from the heat exchange chamber 110. A first pressure tank 203 and a second pressure tank 303 are located within the mounting chamber 120. In a second direction, the first pressure tank 203 and the second pressure tank 303 are located on the same side of the first compressor 201 and the second compressor 301. In a first direction, the first pressure tank 203 is located between the first compressor 201 and the heat exchange chamber 110, while in a first direction, the second pressure tank 303 is located on the side of the second compressor 301 away from the heat exchange chamber 110. The first direction, the second direction, and the up / down direction intersect each other.

[0021] The outdoor unit of this air conditioner has a first compressor 201 and a second compressor 301 installed in the mounting chamber 120 and arranged sequentially in a first direction. The second compressor 301 is located on the side of the first compressor 201 away from the heat exchange chamber 110. A first economizer 202 and a second economizer 302 are located in the mounting chamber 120, with the first economizer 202 positioned between the first compressor 201 and the second compressor 301, and the second economizer 302 located on the side of the second compressor 301 away from the heat exchange chamber 110. A first pressure tank 203 and a second pressure tank 303 are located in the mounting chamber 120. In a second direction, the first pressure tank 203 and the second pressure tank 303 are located on the same side of the first compressor 201 and the second compressor 301. The first pressure tank 203 is located between the first compressor 201 and the heat exchange chamber 110. The second pressure tank 303 is located on the side of the second compressor 301 away from the heat exchange chamber 110. This arrangement arranges the positions of the first compressor 201, the first economizer 202, the first pressure tank 203, the second compressor 301, the second economizer 302, and the second pressure tank 303 in the installation chamber 120 according to the above layout. The first compressor 201, the first economizer 202, the first pressure tank 203, the second compressor 301, the second economizer 302, and the second pressure tank 303 can be arranged more compactly in the installation chamber 120, so the size of the air conditioner outdoor unit can be designed to be smaller and the floor space can be designed to be smaller.

[0022] In some examples, such as Figures 4 to 6 As shown, the installation chamber 120 includes a first sub-chamber 121 and a second sub-chamber 122. The first sub-chamber 121 is located below the second sub-chamber 122. The first compressor 201, the second compressor 301, the first economizer 202, the second economizer 302, and the first pressure tank 203 are all located in the second sub-chamber 122, while the second pressure tank 303 is located in the first sub-chamber 121. This design arranges the first compressor 201, the second compressor 301, the first economizer 202, and the second economizer 303 within the upper second sub-chamber 122 within the installation chamber 120. The first pressure tank 202 and the first pressure tank 203 are arranged in the first sub-cavity 121 of the lower layer. This can reduce the layout size of the first compressor 201, the second compressor 301, the first economizer 202, the second economizer 302, the first pressure tank 203 and the second pressure tank 303 in the first and second directions, so that the layout of the first compressor 201, the second compressor 301, the first economizer 202, the second economizer 302, the first pressure tank 203 and the second pressure tank 303 in the first and second directions is more compact.

[0023] Among them, such as Figure 4 , Figure 5 , Figure 7 and Figure 8As shown, the partition plate separates the interior of the shell 100 into a heat exchange chamber 110 and an installation chamber 120. A water receiving tray 130 is provided in the installation chamber 120. The first compressor 201 and the second compressor 301 are installed on the water receiving tray 130. Multiple support beams 140 are provided between the water receiving tray 130 and the chassis of the shell 100. The first pressure tank 203 is fixed on the partition plate, and the second pressure tank 303 is fixed on the adjacent support beams 140.

[0024] In one embodiment, such as Figure 4 , Figure 6 and Figure 9 As shown, the first direction is the left-right direction, the second direction is the front-back direction, the heat exchange chamber 110 is located on the left side of the installation chamber 120, the first pressure tank 203 is located on the left rear side of the first compressor 201, and the second pressure tank 303 is located on the rear lower side of the second economizer 302.

[0025] In some examples, such as Figure 4 , Figures 6 to 8 As shown, the first heat pump system 200 also includes a first shell-and-tube heat exchanger 204, and the second heat pump system 300 also includes a second shell-and-tube heat exchanger 304. The first shell-and-tube heat exchanger 204 and the second shell-and-tube heat exchanger 304 are located within the first sub-cavity 121 and arranged vertically, thus reducing the space occupied by the first shell-and-tube heat exchanger 204 and the second shell-and-tube heat exchanger 304 in the left-right and front-back directions; Figure 4 , Figure 8 and Figure 9 As shown, the outdoor unit of the air conditioner also includes a three-way water distribution pipe 400 and a three-way water collection pipe 500. The two outlets of the three-way water distribution pipe 400 are connected to the inlet of the first tube heat exchanger 204 and the inlet of the second tube heat exchanger 304, respectively. The two inlets of the three-way water collection pipe 500 are connected to the outlets of the first tube heat exchanger 204 and the second tube heat exchanger 304, respectively. The water supplied from the inlet of the three-way water distribution pipe 400 flows through the two outlets of the three-way water distribution pipe 400 to the first tube heat exchanger 204 and the second tube heat exchanger 304, respectively. After exchanging heat with the refrigerant flow paths of the first tube heat exchanger 204 and the second tube heat exchanger 304, respectively, the water enters the three-way water collection pipe 500 from the two inlets and then flows out from the outlet of the three-way water collection pipe 500.

[0026] In some examples, such as Figure 4 and Figure 6As shown, in the vertical direction, the first tube heat exchanger 204 is located above the second tube heat exchanger 304, and in the vertical direction, the first pressure tank 203 is located above the first tube heat exchanger 204. This can prevent liquid refrigerant from accumulating in the first pressure tank 203. In the vertical direction, the second pressure tank 303 is located above and behind the second tube heat exchanger 304. This can also prevent liquid refrigerant from accumulating in the second pressure tank 303.

[0027] In some examples, such as Figure 5 and Figure 6 As shown, the first heat pump system 200 further includes a first valve path structure 205, and the second heat pump system 300 further includes a second valve path structure 305. The first valve path structure 205 is located within the second sub-cavity 122 and is situated on one side of the first compressor 201 adjacent to the heat exchange chamber 110. The first pressure tank 203 is located behind the first valve path structure 205, making full use of the space between the first compressor 201 and the heat exchange chamber 110. The second valve path structure 305 is located within the first sub-cavity 121 and is situated behind the first and second tube heat exchangers 204 and 304. The second pressure tank 303 is located to the right of the second valve path structure 305, making full use of the rear space of the first and second tube heat exchangers 204 and 304. The first valve path structure 205 is fixed to the partition plate by rubber, and the second valve path structure 305 is fixed to the adjacent support beam 140.

[0028] Among them, such as Figures 1 to 3 As shown, both the first valve circuit structure 205 and the second valve circuit structure 305 include a first check valve 710, a second check valve 720, a third check valve 730, a fourth check valve 740, a first three-way valve 750, a second three-way valve 760, a third three-way valve 770, and a fourth three-way valve 780. The inlet of the first check valve 710 and the inlet of the second check valve 720 are connected to the two ports of the first three-way valve 750 in a one-to-one correspondence. The outlet of the third check valve 730 and the outlet of the fourth check valve 740 are connected to the two ports of the second three-way valve 760 in a one-to-one correspondence. The outlet of the first check valve 710 and the inlet of the third check valve 730 are connected to the two ports of the third three-way valve 770 in a one-to-one correspondence. The outlet of the second check valve 720 and the inlet of the fourth check valve 740 are connected to the two ports of the fourth three-way valve 780 in a one-to-one correspondence.

[0029] In some examples, such as Figure 4As shown, the first heat pump system 200 also includes a first condenser 206, the second heat pump system 300 also includes a second condenser 306, and the outdoor unit of the air conditioner also includes a first fan 610 and a second fan 620. The first condenser 206 and the second condenser 306 are located in the heat exchange chamber 110 and arranged vertically. The first fan 610 and the second fan 620 are located in the heat exchange chamber 110 and are arranged corresponding to the first condenser 206 and the second condenser 306. The first condenser 206 is located above the second condenser 306. The first condenser 206 is a finned heat exchanger, and the second condenser 306 is also a finned heat exchanger. The first compressor 201 is a rotary compressor, and the second compressor 301 is also a rotary compressor. Compared to scroll compressors, rotary compressors have lower purchase costs; therefore, using rotary compressors can effectively reduce the manufacturing cost of the outdoor unit of the air conditioner.

[0030] In some examples, such as Figure 6 and Figure 8 As shown, the first heat pump system 200 also includes a first four-way valve 207, the second heat pump system 300 also includes a second four-way valve 307, and the outdoor unit of the air conditioner also includes an electrical control box 630. The electrical control box 630 is located in the second sub-cavity 122 and above the first compressor 201 and the second compressor 301. The first four-way valve 207 and the second four-way valve 307 are located on the rear side of the electrical control box 630, making full use of the upper space of the first compressor 201 and the second compressor 301.

[0031] In some examples, such as Figure 6 and Figure 8 As shown, the first four-way valve 207 and the second four-way valve 307 are staggered in both the front-to-back and up-to-down directions. The coil of the first four-way valve 207 is located on the side of the valve body of the first four-way valve 207 away from the heat exchange chamber 110, and the coil of the second four-way valve 307 is located on the side of the valve body of the second four-way valve 307 away from the heat exchange chamber 110. Thus, when viewed from the right side of the air conditioner outdoor unit, the coils of the first four-way valve 207 and the second four-way valve 307 do not obstruct each other. The operator can easily disassemble and assemble the coils of the first four-way valve 207 and the second four-way valve 307 from the right side of the air conditioner outdoor unit.

[0032] Among them, such as Figure 1 and Figure 2As shown, the first heat pump system 200 also includes a first throttling component 208, a third throttling component 209, and a first radiator 210 (for cooling the electrical control box 630). The first economizer 202 includes a first flow path 2021 and a third flow path 2022. The outlet of the first compressor 201 is connected to port D of the first four-way valve 207, and port C of the first four-way valve 207 is connected to the first port of the refrigerant flow path of the first shell-and-tube heat exchanger 204. The second port of the refrigerant flow path is connected to the third port of the fourth tee 780 of the first valve structure 205. The interface of the first pressure tank 203 is connected to the connecting pipe between the second port of the refrigerant flow path of the first sleeve heat exchanger 204 and the third port of the fourth tee 780 of the first valve structure 205. The E port of the first four-way valve 207 is connected to the third port of the third tee 770 of the first valve structure 205 through the first condenser 206. The S port of the first four-way valve 207... The first compressor 201's return port is connected to the first compressor 201's enthalpy injection port. The first flow path 2021 of the first economizer 202 is connected to the first port of the first flow path 2021 of the first economizer 202. The second port of the first flow path 2021 of the first economizer 202 is connected to the first port of the first throttling component 208. The first port of the third flow path 2022 of the first economizer 202 is connected to the first port of the first radiator 210. The second port of the first radiator 210 is connected to the third port of the second tee 760 of the first valve structure 205. The second port of the third flow path 2022 of the first economizer 202 is connected to the first port of the third throttling component 209. The second port of the third throttling component 209 is connected to the third port of the first tee 750 of the first valve structure 205. The second port of the first throttling component 208 is connected to the connecting pipe between the second port of the third flow path 2022 of the first economizer 202 and the first port of the third throttling component 209.

[0033] like Figure 1 and Figure 2As shown, the operating mode of the first heat pump system 200 in heating mode is as follows: the refrigerant discharged from the outlet of the first compressor 201 passes sequentially through the D port of the first four-way valve 207, the C port of the first four-way valve 207, the refrigerant flow path of the first shell-and-tube heat exchanger 204, the fourth three-way valve 780, the second three-way valve 760, the first radiator 210, the third flow path 2022 of the first economizer 202, the third throttling component 209, the first three-way valve 750, the third three-way valve 770, the first condenser 206, the E port of the first four-way valve 207, and the S port of the first four-way valve 207, and then flows back to the first compressor 201 from the return port. During this process, a portion of the refrigerant flowing out from the second port of the third flow path 2022 of the first economizer 202 will pass through the first throttling component 208 and the first flow path 2021 of the first economizer 202 in sequence, and then flow back to the first compressor 201 from the injection enthalpy port to inject enthalpy gas into the first compressor 201, thereby improving the operating performance of the first compressor 201.

[0034] like Figure 1 and Figure 2 As shown, the first heat pump system 200 operates in the following manner during refrigeration: the refrigerant discharged from the outlet of the first compressor 201 passes sequentially through port D of the first four-way valve 207, port E of the first four-way valve 207, the first condenser 206, the third three-way valve 770, the second three-way valve 760, the first radiator 210, the third flow path 2022 of the first economizer 202, the third throttling component 209, the first three-way valve 750, the fourth three-way valve 780, the refrigerant flow path of the first shell-and-tube heat exchanger 204, port C of the first four-way valve 207, and port S of the first four-way valve 207, before flowing back to the first compressor 201 through the return port. During this process, a portion of the refrigerant flowing out from the second port of the third flow path 2022 of the first economizer 202 will pass through the first throttling component 208 and the first flow path 2021 of the first economizer 202 in sequence, and then flow back to the first compressor 201 from the injection enthalpy port to inject enthalpy gas into the first compressor 201, thereby improving the operating performance of the first compressor 201.

[0035] like Figure 1 and Figure 3As shown, the second heat pump system 300 also includes a second throttling component 308, a fourth throttling component 309, and a second radiator 310 (for cooling the electrical control box 630). The second economizer 302 includes a second flow path 3021 and a fourth flow path 3022. The outlet of the second compressor 301 is connected to port D of the second four-way valve 307, and port C of the second four-way valve 307 is connected to the first port of the refrigerant flow path of the second shell-and-tube heat exchanger 304. The second port of the refrigerant flow path is connected to the third port of the fourth tee 780 of the second valve structure 305. The interface of the second pressure tank 303 is connected to the connecting pipe between the second port of the refrigerant flow path of the second shell-and-tube heat exchanger 304 and the third port of the fourth tee 780 of the second valve structure 305. The E port of the second four-way valve 307 is connected to the third port of the third tee 770 of the second valve structure 305 through the second condenser 306. The S port of the second four-way valve 307... The outlet is connected to the return port of the second compressor 301. The injection enthalpy port of the second compressor 301 is connected to the first port of the second flow path 3021 of the second economizer 302. The second port of the second flow path 3021 of the second economizer 302 is connected to the first port of the second throttling component 308. The first port of the fourth flow path 3022 of the second economizer 302 is connected to the first port of the second radiator 310. The second port of the second radiator 310 is connected to the third port of the second tee 760 of the second valve structure 305. The second port of the fourth flow path 3022 of the second economizer 302 is connected to the first port of the fourth throttling component 309. The second port of the fourth throttling component 309 is connected to the third port of the first tee 750 of the second valve structure 305. The second port of the second throttling component 308 is connected to the connecting pipe between the second port of the fourth flow path 3022 of the second economizer 302 and the first port of the fourth throttling component 309.

[0036] like Figures 1 to 3 As shown, the structure of the second heat pump system 300 is the same as that of the first heat pump system 200. The operating mode of the second heat pump system 300 during heating is the same as that of the first heat pump system 200 during heating, and will not be described again here. The operating mode of the second heat pump system 300 during cooling is the same as that of the first heat pump system 200 during cooling, and will not be described again here.

[0037] It is possible that the first heat pump system 200 and the second heat pump system 300 operate together; or it is possible that the first heat pump system 200 and the second heat pump system 300 operate separately, etc.; all of the above can achieve the purpose of this application, and their purpose has not departed from the design concept of this utility model, so they will not be elaborated here, and all should fall within the protection scope of this application.

[0038] Among them, such as Figure 4 and Figure 7 As shown, the connecting pipes between the first compressor 201 and the first four-way valve 207 should be designed to have the same structure and arrangement as the connecting pipes between the second compressor 301 and the second four-way valve 307. The shape of the first valve structure 205 and the shape of the second valve structure 305 should also be designed to be the same as the first heat pump system 200 and the second heat pump system 300. The corresponding connecting pipes of the other first heat pump system 200 and the second heat pump system 300 should also be designed according to this requirement and arranged as symmetrically as possible. This will make the connecting pipes in the installation chamber 120 look neater. Figures 1 to 3 In the diagram, number 800 represents the filter.

[0039] The air conditioner provided in this application embodiment (not shown in the figure) includes the air conditioner outdoor unit described in any of the above embodiments.

[0040] This air conditioner possesses all the advantages of the outdoor unit provided in any of the above embodiments, which will not be repeated here.

[0041] In summary, the air conditioner outdoor unit provided in this application embodiment has a first compressor and a second compressor installed in the installation chamber and arranged sequentially in a first direction. The second compressor is located on the side of the first compressor away from the heat exchange chamber. The first economizer and the second economizer are located in the installation chamber, with the first economizer located between the first compressor and the second compressor, and the second economizer located on the side of the second compressor away from the heat exchange chamber. The first pressure tank and the second pressure tank are located in the installation chamber. In the second direction, the first pressure tank and the second pressure tank are located on the same side of the first compressor and the second compressor. In the first direction, the first pressure tank is located between the first compressor and the heat exchange chamber, and in the first direction, the second pressure tank is located on the side of the second compressor away from the heat exchange chamber. This scheme arranges the positions of the first compressor, the first economizer, the first pressure tank, the second compressor, the second economizer, and the second pressure tank in the installation chamber according to the above layout. The first compressor, the first economizer, the first pressure tank, the second compressor, the second economizer, and the second pressure tank can be arranged more compactly in the installation chamber, so the size of the air conditioner outdoor unit can be designed to be smaller and the floor space can be designed to be smaller.

[0042] In the description of this utility model, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "square structure", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the structure referred to has a specific orientation, or is constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0043] In the description of the embodiments of this utility model, unless otherwise expressly specified and limited, the terms "connection," "direct connection," "indirect connection," "fixed connection," "installation," and "assembly" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. The terms "installation," "connection," and "fixed connection" can refer to a direct connection or an indirect connection through an intermediate medium, or they can refer to the internal communication between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0044] Although the embodiments disclosed in this utility model are as described above, the content described is only for the purpose of facilitating understanding of this utility model and is not intended to limit this utility model. Any person skilled in the art to which this utility model pertains may make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed in this utility model, but the patent protection scope of this utility model shall still be defined by the appended claims.

Claims

1. An outdoor unit for an air conditioner, characterized in that, The system includes a housing, a first heat pump system, and a second heat pump system. The housing has an internal heat exchange chamber and an installation chamber, which are arranged sequentially in a first direction. The first heat pump system includes a first compressor, a first economizer, and a first pressure tank. The second heat pump system includes a second compressor, a second economizer, and a second pressure tank. The first compressor and the second compressor are erected in the mounting chamber and arranged sequentially in the first direction, with the second compressor located on the side of the first compressor away from the heat exchange chamber; The first economizer and the second economizer are located in the mounting chamber, with the first economizer located between the first compressor and the second compressor, and the second economizer located on the side of the second compressor away from the heat exchange chamber; The first pressure tank and the second pressure tank are located in the mounting chamber. In a second direction, the first pressure tank and the second pressure tank are located on the same side of the first compressor and the second compressor. In the first direction, the first pressure tank is located between the first compressor and the heat exchange chamber. In the first direction, the second pressure tank is located on the side of the second compressor away from the heat exchange chamber. The first direction, the second direction, and the up and down directions intersect each other.

2. The outdoor unit of the air conditioner according to claim 1, characterized in that, The installation chamber includes a first sub-chamber and a second sub-chamber. The first sub-chamber is located below the second sub-chamber. The first compressor, the second compressor, the first economizer, the second economizer, and the first pressure tank are all located in the second sub-chamber, and the second pressure tank is located in the first sub-chamber.

3. The outdoor unit of the air conditioner according to claim 2, characterized in that, The first direction is the left-right direction, the second direction is the front-back direction, the heat exchange chamber is located on the left side of the installation chamber, the first pressure tank is located on the left rear side of the first compressor, and the second pressure tank is located on the rear lower side of the second economizer.

4. The outdoor unit of the air conditioner according to claim 2, characterized in that, The first heat pump system further includes a first tube heat exchanger, and the second heat pump system further includes a second tube heat exchanger. The outdoor unit of the air conditioner also includes a three-way water distribution pipe and a three-way water collection pipe. The first tube heat exchanger and the second tube heat exchanger are located in the first sub-cavity and arranged vertically. The two outlets of the three-way water distribution pipe are connected to the inlets of the first tube heat exchanger and the second tube heat exchanger, respectively. The two inlets of the three-way water collection pipe are connected to the outlets of the first tube heat exchanger and the second tube heat exchanger, respectively.

5. The outdoor unit of the air conditioner according to claim 4, characterized in that, In the vertical direction, the first shell-and-tube heat exchanger is located above the second shell-and-tube heat exchanger; in the vertical direction, the first pressure tank is located above the first shell-and-tube heat exchanger; and in the vertical direction, the second pressure tank is located above the second shell-and-tube heat exchanger.

6. The outdoor unit of the air conditioner according to claim 4, characterized in that, The second direction is the front-back direction. The first heat pump system further includes a first valve path structure, and the second heat pump system further includes a second valve path structure. The first valve path structure is located in the second sub-cavity and is located on the side of the first compressor adjacent to the heat exchange chamber. The second valve path structure is located in the first sub-cavity and is located on the rear side of the first shell-and-tube heat exchanger and the second shell-and-tube heat exchanger. Both the first valve path structure and the second valve path structure include a first check valve, a second check valve, a third check valve, a fourth check valve, a first three-way valve, a second three-way valve, a third three-way valve, and a fourth three-way valve. The inlets of the first check valve and the second check valve are connected to the two ports of the first three-way valve in a one-to-one correspondence. The outlets of the third check valve and the fourth check valve are connected to the two ports of the second three-way valve in a one-to-one correspondence. The outlets of the first check valve and the third check valve are connected to the two ports of the third three-way valve in a one-to-one correspondence. The outlets of the second check valve and the fourth check valve are connected to the two ports of the fourth three-way valve in a one-to-one correspondence.

7. The outdoor unit of the air conditioner according to claim 2, characterized in that, The first heat pump system further includes a first condenser, the second heat pump system further includes a second condenser, and the outdoor unit of the air conditioner further includes a first fan and a second fan. The first condenser and the second condenser are located in the heat exchange chamber and are arranged vertically. The first fan and the second fan are located in the heat exchange chamber and are arranged in a one-to-one correspondence with the first condenser and the second condenser.

8. The outdoor unit of an air conditioner according to any one of claims 1 to 7, characterized in that, The second direction is the front-to-back direction. The first heat pump system further includes a first four-way valve, and the second heat pump system further includes a second four-way valve. The outdoor unit of the air conditioner also includes an electrical control box. The electrical control box is located in the installation chamber and above the first compressor and the second compressor. The first four-way valve and the second four-way valve are located on the rear side of the electrical control box.

9. The outdoor unit of the air conditioner according to claim 8, characterized in that, The first four-way valve and the second four-way valve are offset in the second direction and the vertical direction, and the coil of the first four-way valve is located on the side of the valve body of the first four-way valve away from the heat exchange chamber, and the coil of the second four-way valve is located on the side of the valve body of the second four-way valve away from the heat exchange chamber.

10. An air conditioner, characterized in that, Includes an outdoor air conditioning unit as described in any one of claims 1 to 9.

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