Energy storage air conditioning unit

Abstract

The utility model discloses an energy storage air conditioning unit which comprises a first compressor system, a second compressor system and a condenser. The condenser comprises a first gas collecting pipe, a first liquid collecting pipe and a first refrigerant pipeline, and comprises a second gas collecting pipe, a second liquid collecting pipe and a second refrigerant pipeline; the device further comprises a condensation fan. The first compressor system comprises a first pipeline and a second pipeline, a first compressor is arranged on the first pipeline, and a first throttling valve is arranged on the second pipeline; the second compressor system comprises a third pipeline and a fourth pipeline, a second compressor is arranged on the third pipeline, and a second throttling valve is arranged on the fourth pipeline. The refrigerant pipelines of the double-compressor system are arranged in a crossed mode, the limited space of the energy storage air conditioning unit can be fully utilized, the heat dissipation space and the heat dissipation area can be increased, the heat dissipation efficiency can be improved, and the energy efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning equipment, and in particular to an energy storage air-conditioning unit. Background Art

[0002] In the energy storage scenario, when the air-conditioning unit used to cool the battery is designed as a dual-compressor system, the size of the condenser and the condensing fan cannot be made large enough due to the limited space size of the unit. There is often a situation where the compressor system and the fan system do not correspond one to one, that is, the dual-compressor system will share a set of fans. As a result, when a single compressor system is running, there is a situation where the airflow is blown out directly without passing through the condenser, which affects the normal organization of the refrigeration airflow and causes the unit to operate in an energy-saving manner. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an energy storage air conditioning unit.

[0004] The technical solution adopted by the utility model to solve the technical problem is: construct an energy storage air conditioning unit, including a first compressor system, a second compressor system, and a condenser, the condenser includes a first gas collecting pipe, a first liquid collecting pipe and a plurality of first refrigerant pipelines, the plurality of first refrigerant pipelines are connected between the first gas collecting pipe and the first liquid collecting pipe, the condenser includes a second gas collecting pipe, a second liquid collecting pipe and a plurality of second refrigerant pipelines, the plurality of second refrigerant pipelines are connected between the second gas collecting pipe and the second liquid collecting pipe, and the first refrigerant pipeline and the second refrigerant pipeline are staggered in the height direction; the energy storage air conditioning unit also includes a plurality of condensing fans arranged opposite to the condenser;

[0005] The first compressor system includes a first pipeline and a second pipeline, the first pipeline is connected to the first gas collecting pipe, and a first compressor is arranged on the first pipeline; the second pipeline is connected to the first liquid collecting pipe, and a first throttle valve is arranged on the second pipeline;

[0006] The second compressor system includes a third pipeline and a fourth pipeline. The third pipeline is connected to the second gas collecting pipe and a second compressor is arranged on the third pipeline. The fourth pipeline is connected to the second liquid collecting pipe and a second throttle valve is arranged on the fourth pipeline.

[0007] In some embodiments, the second gas collecting pipe and the second liquid collecting pipe are located between the first gas collecting pipe and the first liquid collecting pipe, the second gas collecting pipe is arranged close to the first gas collecting pipe, and the second liquid collecting pipe is arranged close to the first liquid collecting pipe.

[0008] In some embodiments, each of the first refrigerant pipelines includes at least two first heat exchange tube groups, and each of the first heat exchange tube groups includes at least two first heat exchange tubes.

[0009] In some embodiments, the adjacent first heat exchange tube groups are staggeredly arranged in the height direction.

[0010] In some embodiments, the number of the first heat exchange tube groups is four, and each first heat exchange tube group includes three first heat exchange tubes.

[0011] In some embodiments, the first heat exchange tubes include copper tubes.

[0012] In some embodiments, each second refrigerant pipeline includes at least two second heat exchange tube groups, and each second heat exchange tube group includes at least two second heat exchange tubes.

[0013] In some embodiments, the adjacent second heat exchange tube groups are staggeredly arranged in the height direction.

[0014] In some embodiments, the number of the second heat exchange tube groups is four, and each second heat exchange tube group includes three second heat exchange tubes.

[0015] In some embodiments, the second heat exchange tubes include copper tubes.

[0016] Implementing the present utility model has the following beneficial effects: The refrigerant pipelines of the dual-compressor system of the energy storage air conditioner unit are arranged in a cross pattern, which can make full use of the limited space of the energy storage air conditioner unit. When the single-compressor system operates, the distance between the refrigerant pipelines is increased, thereby increasing the heat dissipation space and heat dissipation area, and further improving the heat dissipation efficiency. When any single-compressor system of the energy storage air conditioner unit operates, all the condensation fans rotate, ensuring that all the airflows pass through the condenser to absorb heat and then are blown out. This can well ensure the heat exchange between the airflows and the refrigerant pipelines, and there is no problem that the airflows directly blow out without passing through the condenser, which can improve the air volume and heat dissipation efficiency of the energy storage air conditioner unit. Moreover, a relatively low rotational speed of the condensation fans can meet the refrigeration requirements, effectively improving the energy efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the present utility model, the present utility model will be further described below in conjunction with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0018] Figure 1 is a schematic structural diagram of an energy storage air conditioner unit in some embodiments of the present utility model;

[0019] Figure 2 is a schematic structural diagram of an energy storage air conditioner unit according to the first embodiment of the present utility model;

[0020] Figure 3 is Figure 2 a partial structural detail schematic diagram of the energy storage air conditioning unit;

[0021] Figure 4 is a structural schematic diagram of the energy storage air conditioning unit according to the second embodiment of the present invention;

[0022] Figure 5 is Figure 4 a partial structural detail schematic diagram of the energy storage air conditioning unit;

[0023] Figure 6 is a structural schematic diagram of the energy storage air conditioning unit according to the third embodiment of the present invention;

[0024] Figure 7 is Figure 6 a partial structural detail schematic diagram of the energy storage air conditioning unit;

[0025] Figure 8 is a structural schematic diagram of the energy storage air conditioning unit according to the fourth embodiment of the present invention;

[0026] Figure 9 is Figure 8 a partial structural detail schematic diagram of the energy storage air conditioning unit. Detailed implementation manners

[0027] For a clearer understanding of the technical features, objectives, and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientation or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation, only for the convenience of describing the technical solution, rather than indicating that the device or element referred to must have a specific orientation, and thus should not be construed as a limitation to the present invention.

[0028] It should also be noted that, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation", "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. When a component is referred to as "on" or "under" another component, the component can be "directly" or "indirectly" located above the other component, or there may also be one or more intermediate components. Terms such as "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and technologies are presented to thoroughly understand the embodiments of the present utility model. However, those skilled in the art should clearly understand that the present utility model can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details from interfering with the description of the present utility model.

[0030] Please refer to Figures 1 to 3 , the present utility model shows an energy storage air conditioning unit, which includes a first compressor system 10, a second compressor system 20, and a condenser 30. The condenser 30 includes a first gas collecting pipe 31, a first liquid collecting pipe 32, and a plurality of first refrigerant pipes 33. The plurality of first refrigerant pipes 33 connect the first gas collecting pipe 31 and the first liquid collecting pipe 32. The condenser 30 also includes a second gas collecting pipe 34, a second liquid collecting pipe 35, and a plurality of second refrigerant pipes 36. The plurality of second refrigerant pipes 36 connect the second gas collecting pipe 34 and the second liquid collecting pipe 35. The first refrigerant pipes 33 and the second refrigerant pipes 36 are arranged staggered in the height direction. The staggered and cross - arranged refrigerant pipes are beneficial to improving the heat exchange efficiency.

[0031] The energy storage air conditioning unit also includes a plurality of condensing fans 40 arranged opposite to the condenser 30. The plurality of condensing fans 40 are used to achieve air cooling. The number of the condensing fans 40 can be two or more arbitrary numbers, and no specific limitation is made here.

[0032] The first compressor system 10 includes a first pipeline 11 and a second pipeline 12. The first pipeline 11 is connected to a first gas collecting pipe 31, and a first compressor 13 is provided on the first pipeline 11; the second pipeline 12 is connected to a first liquid collecting pipe 32, and a first throttle valve 14 is provided on the second pipeline 12. Among them, when the high-temperature and high-pressure gaseous refrigerant compressed by the first compressor 13 flows through the first gas collecting pipe 31, it is distributed in a cross arrangement along the first refrigerant pipeline 33.

[0033] The second compressor system 20 includes a third pipeline 21 and a fourth pipeline 22. The third pipeline 21 is connected to a second gas collecting pipe 34, and a second compressor 23 is provided on the third pipeline 21; the fourth pipeline 22 is connected to a second liquid collecting pipe 35, and a second throttle valve 24 is provided on the fourth pipeline 22. Among them, when the high-temperature and high-pressure gaseous refrigerant compressed by the second compressor 23 flows through the second gas collecting pipe 34, it is distributed in a cross arrangement along the second refrigerant pipeline 35.

[0034] Among them, when flowing through the first compressor system 10, the refrigerant absorbs heat and becomes low-temperature and low-pressure steam. After flowing through the first compressor 13 and being compressed, it enters the condenser 30, and the heat is taken away by the rotation of the condensing fan 40. It becomes high-temperature and high-pressure liquid refrigerant, and then becomes low-temperature and low-pressure liquid refrigerant after passing through the first throttle valve 14. When flowing through the second compressor system 20, the refrigerant absorbs heat and becomes low-temperature and low-pressure steam. After flowing through the first compressor 23 and being compressed, it enters the condenser 30, and the heat is taken away by the rotation of the condensing fan 40. It becomes high-temperature and high-pressure liquid refrigerant, and then becomes low-temperature and low-pressure liquid refrigerant after passing through the second throttle valve 24. The condenser 30 and the condensing fan 40 are shared. Whether the first compressor system 10 and / or the second compressor system 20 is turned on, the condensing fan 40 is always fully open, which can ensure the operation of a single compressor system, with a large heat exchange area of the refrigerant pipeline and high heat dissipation efficiency.

[0035] The first compressor system 10 and the second compressor system 20 of the energy storage air conditioner unit both pass through a condenser 30. Among them, the refrigerant pipelines of the first compressor system 10 and the second compressor system 20 are arranged in a cross pattern. Whether any single system or both systems are running simultaneously, the condensing fan 40 will operate. There is no problem of sharing a set of fans. The energy storage air conditioner unit solves the problem that when the condensing fan 40 is shared by the dual-compressor system, the air flow does not pass through the operating condenser 30 and is directly blown out, resulting in the energy storage air conditioner unit not being energy-efficient during operation.

[0036] In some embodiments, the second gas collecting pipe 34 and the second liquid collecting pipe 35 are located between the first gas collecting pipe 31 and the first liquid collecting pipe 32. The second gas collecting pipe 34 is arranged close to the first gas collecting pipe 31, and the second liquid collecting pipe 35 is arranged close to the first liquid collecting pipe 32.

[0037] In some embodiments, each first refrigerant pipeline 33 includes at least two first heat exchange tube groups 331, and each first heat exchange tube group 331 includes at least two first heat exchange tubes 3311.

[0038] In some embodiments, two adjacent first heat exchange tube groups 331 are arranged staggeredly in the height direction.

[0039] In some embodiments, the number of the first heat exchange tube groups 331 is four, and each first heat exchange tube group 331 includes three first heat exchange tubes 3311.

[0040] In some embodiments, the first heat exchange tubes 3311 include copper tubes.

[0041] In some embodiments, each second refrigerant pipeline 36 includes at least two second heat exchange tube groups 361, and each second heat exchange tube group 361 includes at least two second heat exchange tubes 3611.

[0042] In some embodiments, two adjacent second heat exchange tube groups 361 are arranged staggeredly in the height direction.

[0043] In some embodiments, the number of the second heat exchange tube groups 361 is four, and each second heat exchange tube group 361 includes three second heat exchange tubes 3611.

[0044] In some embodiments, the second heat exchange tubes 3611 include copper tubes.

[0045] In some embodiments, the number of the first refrigerant pipelines 33 is the same as that of the second refrigerant pipelines 36.

[0046] As Figure 2 and Figure 3 shown, in some embodiments, each first refrigerant pipeline 33 includes four first heat exchange tube groups 331, each first heat exchange tube group 331 includes three first heat exchange tubes 3311, and two adjacent first heat exchange tube groups 331 are arranged staggeredly in the height direction. Taking Figure 3 as an example, the four first heat exchange tube groups 331 are arranged at intervals from left to right in the horizontal direction, and each first heat exchange tube group 331 includes three first heat exchange tubes 3311, and the three first heat exchange tubes 3311 are arranged at intervals from top to bottom in the height direction. Further, the first heat exchange tubes 3311 in the adjacent first heat exchange tube groups 331 are arranged staggeredly in the height direction. Among them, the first heat exchange tube groups 331 of the left one and the left three may be at the same height position, and the first heat exchange tube groups 331 of the left two and the left four may be at the same height position. The first heat exchange tubes 3311 may be made of copper tubes.

[0047] Each second refrigerant pipeline 36 includes four second heat exchange tube groups 361. Each second heat exchange tube group 361 includes three second heat exchange tubes 3611. Adjacent second heat exchange tube groups 361 are staggeredly arranged in the height direction. Taking Figure 3 as an example, the four second heat exchange tube groups 361 are arranged at intervals from left to right in the horizontal direction. Each second heat exchange tube group 361 includes three second heat exchange tubes 3611. The three second heat exchange tubes 3611 are arranged at intervals from top to bottom in the height direction. Further, the second heat exchange tubes 3611 in adjacent second heat exchange tube groups 361 are staggeredly arranged in the height direction. Among them, the first and the third second heat exchange tube groups 361 from the left may be at the same height position, and the second and the fourth second heat exchange tube groups 361 from the left may be at the same height position. The second heat exchange tube 3611 may be made of copper pipe.

[0048] As Figure 4 and Figure 5 shown, in some embodiments, each first refrigerant pipeline 33 includes three first heat exchange tube groups 331. Each first heat exchange tube group 331 includes three first heat exchange tubes 3311. Adjacent first heat exchange tube groups 331 are staggeredly arranged in the height direction. Taking Figure 5 as an example, the three first heat exchange tube groups 331 are arranged at intervals from left to right in the horizontal direction. Each first heat exchange tube group 331 includes three first heat exchange tubes 3311. The three first heat exchange tubes 3311 are arranged at intervals from top to bottom in the height direction. Further, the first heat exchange tubes 3311 in adjacent first heat exchange tube groups 331 are staggeredly arranged in the height direction. Among them, the first and the third first heat exchange tube groups 331 from the left may be at the same height position. The first heat exchange tube 3311 may be made of copper pipe.

[0049] Each second refrigerant pipeline 36 includes three second heat exchange tube groups 361. Each second heat exchange tube group 361 includes three second heat exchange tubes 3611. Adjacent second heat exchange tube groups 361 are staggeredly arranged in the height direction. Taking Figure 5 as an example, the three second heat exchange tube groups 361 are arranged at intervals from left to right in the horizontal direction. Each second heat exchange tube group 361 includes three second heat exchange tubes 3611. The three second heat exchange tubes 3611 are arranged at intervals from top to bottom in the height direction. Further, the second heat exchange tubes 3611 in adjacent second heat exchange tube groups 361 are staggeredly arranged in the height direction. Among them, the first and the third second heat exchange tube groups 361 from the left may be at the same height position. The second heat exchange tube 3611 may be made of copper pipe.

[0050] As Figure 6 and Figure 7As shown, in some embodiments, each first refrigerant pipeline 33 includes two first heat exchange tube groups 331, each first heat exchange tube group 331 includes three first heat exchange tubes 3311, and adjacent first heat exchange tube groups 331 are staggeredly arranged in the height direction. For Figure 7 example, the two first heat exchange tube groups 331 are arranged at intervals from left to right in the horizontal direction, and each first heat exchange tube group 331 includes three first heat exchange tubes 3311, and the three first heat exchange tubes 3311 are arranged at intervals from top to bottom in the height direction. Further, the first heat exchange tubes 3311 in adjacent first heat exchange tube groups 331 are staggeredly arranged in the height direction. The first heat exchange tube 3311 can be made of copper pipe.

[0051] Each second refrigerant pipeline 36 includes two second heat exchange tube groups 361, each second heat exchange tube group 361 includes three second heat exchange tubes 3611, and adjacent second heat exchange tube groups 361 are staggeredly arranged in the height direction. For Figure 7 example, the two second heat exchange tube groups 361 are arranged at intervals from left to right in the horizontal direction, and each second heat exchange tube group 361 includes three second heat exchange tubes 3611, and the two second heat exchange tubes 3611 are arranged at intervals from top to bottom in the height direction. Further, the second heat exchange tubes 3611 in adjacent second heat exchange tube groups 361 are staggeredly arranged in the height direction. The second heat exchange tube 3611 can be made of copper pipe.

[0052] As Figure 8 and Figure 9 shown, in some embodiments, each first refrigerant pipeline 33 includes two first heat exchange tube groups 331, each first heat exchange tube group 331 includes two first heat exchange tubes 3311, and adjacent first heat exchange tube groups 331 are staggeredly arranged in the height direction. For Figure 9 example, the two first heat exchange tube groups 331 are arranged at intervals from left to right in the horizontal direction, and each first heat exchange tube group 331 includes two first heat exchange tubes 3311, and the two first heat exchange tubes 3311 are arranged at intervals from top to bottom in the height direction. Further, the first heat exchange tubes 3311 in adjacent first heat exchange tube groups 331 are staggeredly arranged in the height direction. The first heat exchange tube 3311 can be made of copper pipe.

[0053] Each second refrigerant pipeline 36 includes two second heat exchange tube groups 361, each second heat exchange tube group 361 includes two second heat exchange tubes 3611, and adjacent second heat exchange tube groups 361 are staggeredly arranged in the height direction. For Figure 9For example, two second heat exchange tube groups 361 are arranged at intervals from left to right in the horizontal direction, and each second heat exchange tube group 361 includes two second heat exchange tubes 3611, and the two second heat exchange tubes 3611 are arranged at intervals from top to bottom in the height direction. Further, the second heat exchange tubes 3611 in adjacent second heat exchange tube groups 361 are arranged staggeredly in the height direction. The second heat exchange tube 3611 can be made of copper tube.

[0054] It can be understood that the cross-arrangement of the refrigerant pipelines of the dual-compressor system of the energy storage air conditioner unit can make full use of the limited space of the energy storage air conditioner unit. When the single-compressor system operates, the distance between the refrigerant pipelines is increased, thereby increasing the heat dissipation space and heat dissipation area, and further improving the heat dissipation efficiency.

[0055] When any single-compressor system of the energy storage air conditioner unit operates, all the condensation fans 40 rotate to ensure that all the airflows pass through the condenser 30 to absorb heat before being blown out. This can well ensure the heat exchange between the airflows and the refrigerant pipelines, and there is no problem that the airflows are directly blown out without passing through the condenser 30. The air volume and heat dissipation efficiency of the energy storage air conditioner unit can be improved. Moreover, a relatively low rotation speed of the condensation fans 40 can meet the refrigeration requirements, and the energy efficiency can be effectively improved.

[0056] It can be understood that the above embodiments only represent the preferred embodiments of the present invention, and the description is relatively specific and detailed, but it cannot be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, all equivalent transformations and modifications made to the scope of the claims of the present invention shall fall within the scope covered by the claims of the present invention.

Claims

1. An energy storage air conditioning unit, characterized in that: The air conditioner comprises a first compressor system (10), a second compressor system (20), and a condenser (30); the condenser (30) comprises a first gas collecting pipe (31), a first liquid collecting pipe (32), and a plurality of first refrigerant pipelines (33); the plurality of first refrigerant pipelines (33) are connected between the first gas collecting pipe (31) and the first liquid collecting pipe (32); the condenser (30) comprises a second gas collecting pipe (34), a second liquid collecting pipe (35), and a plurality of second refrigerant pipelines (36); the plurality of second refrigerant pipelines (36) are connected between the second gas collecting pipe (34) and the second liquid collecting pipe (35); the first refrigerant pipelines (33) and the second refrigerant pipelines (36) are arranged alternately in the height direction; the energy storage air conditioning unit further comprises a plurality of condensing fans (40) arranged opposite to the condenser (30); The first compressor system (10) comprises a first pipeline (11) and a second pipeline (12); the first pipeline (11) is connected to the first gas collecting pipe (31), and a first compressor (13) is provided on the first pipeline (11); the second pipeline (12) is connected to the first liquid collecting pipe (32), and a first throttle valve (14) is provided on the second pipeline (12); The second compressor system (20) comprises a third pipeline (21) and a fourth pipeline (22); the third pipeline (21) is connected to the second gas collecting pipe (34), and a second compressor (23) is provided on the third pipeline (21); the fourth pipeline (22) is connected to the second liquid collecting pipe (35), and a second throttle valve (24) is provided on the fourth pipeline (22).

2. The energy storage air conditioning unit according to claim 1, characterized in that: The second gas collecting pipe (34) and the second liquid collecting pipe (35) are located between the first gas collecting pipe (31) and the first liquid collecting pipe (32); the second gas collecting pipe (34) is arranged close to the first gas collecting pipe (31), and the second liquid collecting pipe (35) is arranged close to the first liquid collecting pipe (32).

3. The energy storage air conditioning unit according to claim 1, characterized in that: Each of the first refrigerant pipelines (33) includes at least two first heat exchange tube groups (331), and each of the first heat exchange tube groups (331) includes at least two first heat exchange tubes (3311).

4. The energy storage air conditioning unit according to claim 3, characterized in that: The first heat exchange tube groups (331) adjacent to each other are staggered in the height direction.

5. The energy storage air conditioning unit according to claim 3, characterized in that: The number of the first heat exchange tube groups (331) is four, and each of the first heat exchange tube groups (331) includes three first heat exchange tubes (3311).

6. The energy storage air conditioning unit according to claim 3, characterized in that: The first heat exchange tube (3311) comprises a copper tube.

7. The energy storage air conditioning unit according to claim 1, characterized in that: Each of the second refrigerant pipelines (36) includes at least two second heat exchange tube groups (361), and each of the second heat exchange tube groups (361) includes at least two second heat exchange tubes (3611).

8. The energy storage air conditioning unit according to claim 7, characterized in that: The second heat exchange tube groups (361) adjacent to each other are staggered in the height direction.

9. The energy storage air conditioning unit according to claim 7, characterized in that: The number of the second heat exchange tube groups (361) is four, and each of the second heat exchange tube groups (361) includes three second heat exchange tubes (3611).

10. The energy storage air conditioning unit according to claim 7, characterized in that: The second heat exchange tube (3611) comprises a copper tube.

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