Outdoor heat exchanger and heat pump system
By installing multi-layer manifolds and one-way valves in the outdoor heat exchanger, parallel or series flow of fluids can be achieved, solving the problem of a single flow mode and enhancing the applicability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-04-07
AI Technical Summary
The fluid flow pattern of existing outdoor heat exchangers is singular, making it difficult to meet the characteristic requirements of different operating conditions, which is quite inconvenient.
An outdoor heat exchanger was designed, comprising a first side plate, a second side plate, a first mounting block, a second mounting block, multiple first manifolds and multiple second manifolds. The fluid can form parallel or series flow under different conditions, and the flow path can be adjusted by setting a one-way valve and a buffer block.
It enables flexible adjustment of the fluid flow path within the outdoor heat exchanger, expanding the application scenarios and meeting the characteristic requirements of different working conditions, making it quite convenient.
Smart Images
Figure CN224094654U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of automobile parts, in particular to an outdoor heat exchanger and a heat pump system. BACKGROUND
[0002] The outdoor heat exchanger is an extremely important component in the heat pump system, which functions to absorb heat from the environment and then transfer the heat to the refrigerant. The heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid, also known as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other many industrial productions. In chemical production, the heat exchanger can be used as a heater, cooler, condenser, evaporator and reboiler, and is widely used.
[0003] The present application is implemented, and it is found that in the related art, the outdoor heat exchanger is usually a single-layer header pipe. The fluid flows in the single-layer header pipe to a single header pipe or multiple header pipes in turn, and the fluid forms a series flow in the single-layer header pipe. The flow mode of the fluid in the single-layer header pipe is relatively single, and it is difficult to meet the characteristic requirements of different working conditions, which is relatively inconvenient. CONTENT OF THE UTILITY MODEL
[0004] In view of the above problems, the present application provides an outdoor heat exchanger and a heat pump system, which overcome the above problems or at least partially solve the above problems.
[0005] According to an aspect of the present application, there is provided an outdoor heat exchanger, comprising: a first side plate; a second side plate, oppositely arranged with the first side plate along a first direction; a first mounting block arranged on a side of the first side plate away from the second side plate, the first mounting block being provided with a first liquid flow channel, and a first liquid flow port and a second liquid flow port communicating with the first liquid flow channel; a second mounting block arranged on a side of the second side plate away from the first side plate, the second mounting block being provided with a second liquid flow channel, and a third liquid flow port communicating with the second liquid flow channel; a plurality of first header pipes, one end of each of the first header pipes being connected to the first side plate, the other end of each of the first header pipes being connected to the second side plate, the plurality of first header pipes being arranged at intervals along a second direction, the first header pipes being internally communicated with the first liquid flow channel and the second liquid flow channel; a plurality of second header pipes, one end of each of the second header pipes being connected to the first side plate, the other end of each of the second header pipes being connected to the second side plate, the plurality of second header pipes being arranged at intervals along the second direction, the second header pipes being arranged at intervals along a third direction with the first header pipes, the third direction being perpendicular to the first direction and the second direction; wherein, when the outdoor heat exchanger is in a first state, external fluid flows to the first header pipes and the second header pipes respectively, forming parallel flow in the first header pipes and the second header pipes, when the outdoor heat exchanger is in a second state, external fluid flows through the second header pipes and the first header pipes in sequence, forming series flow in the first header pipes and the second header pipes.
[0006] In an alternative manner, the outdoor heat exchanger comprises a first one-way valve and a second one-way valve, the first one-way valve being arranged in the first liquid flow channel, the second one-way valve being arranged in the second liquid flow channel, the second one-way valve being located close to the third liquid flow port, fluid being able to enter the second liquid flow channel from the second one-way valve, fluid being able to flow from the second liquid flow port to the first liquid flow port from the first one-way valve; wherein, the first header pipes and the second header pipes are not communicated with each other in the first side plate, the first header pipes and the second header pipes are communicated with each other in the second side plate, when the outdoor heat exchanger is in the first state, external fluid is able to enter the second liquid flow channel from the third liquid flow port, and flow through the first header pipes and the second header pipes respectively to the first liquid flow channel, forming parallel flow in the first header pipes and the second header pipes, when the outdoor heat exchanger is in the second state, external fluid is able to enter the first liquid flow channel from the first liquid flow port, and flow through the second header pipes and the first header pipes in sequence, forming series flow in the first header pipes and the second header pipes.
[0007] In an alternative mode, the first side plate is provided with a third liquid flow channel, and a first connecting hole and a second connecting hole respectively communicating with the third liquid flow channel, the first connecting hole and the second connecting hole being spaced apart along the third direction, the third liquid flow channel communicating with the first liquid flow channel; the second side plate is provided with a fourth liquid flow channel, and a third connecting hole and a fourth connecting hole communicating with the fourth liquid flow channel, the third connecting hole and the fourth connecting hole being spaced apart along the third direction, the third connecting hole being opposite to the first connecting hole along the first direction, the fourth connecting hole being opposite to the second connecting hole along the first direction, the fourth liquid flow channel communicating with the second liquid flow channel, one end of the first manifold being inserted into and communicating with the first connecting hole, the other end of the first manifold being inserted into and communicating with the third connecting hole, one end of the second manifold being inserted into and communicating with the second connecting hole, the other end of the second manifold being inserted into and communicating with the fourth connecting hole.
[0008] In an alternative mode, the first side plate is further provided with a partition block, the partition block being arranged in the third liquid flow channel, the partition block dividing the third liquid flow channel into independent first and second spaces, the first connecting hole communicating with the first space, and the second connecting hole communicating with the second space; the first manifold is provided with a first liquid flow groove, the first liquid flow groove communicating with the first space, and the second manifold is provided with a second liquid flow groove, the second liquid flow groove communicating with the second space.
[0009] In an alternative mode, the first side plate is further provided with a first buffer block, the first buffer block being arranged in the first space, the first buffer block dividing the first space into a first buffer cavity and a first liquid flow cavity, the first liquid flow cavity communicating with the first liquid flow channel, and the first buffer cavity being located between the first buffer block and the partition block.
[0010] In an alternative mode, the first side plate is further provided with a second buffer block, the second buffer block being arranged in the second space, the second buffer block dividing the second space into a second buffer cavity and a second liquid flow cavity, the second liquid flow cavity communicating with the first liquid flow channel, and the second buffer cavity being located between the second buffer block and the partition block.
[0011] In an alternative, the first liquid flow passage comprises a first horizontal flow channel, a first vertical flow channel and a second horizontal flow channel, the first horizontal flow channel being in communication with the first space, the second horizontal flow channel being in communication with the second space, the first vertical flow channel being located between the first horizontal flow channel and the second horizontal flow channel, the first one-way valve being installed in the first vertical flow channel, fluid being able to flow from the first horizontal flow channel to the second horizontal flow channel through the first one-way valve.
[0012] In an alternative, the second side plate is provided with a flow guide block, the flow guide block being arranged in the fourth liquid flow passage.
[0013] In an alternative, the second liquid flow passage comprises a third horizontal flow channel, a fourth horizontal flow channel and a second vertical flow channel, the third and fourth horizontal flow channels both being in communication with the second vertical flow channel, the second vertical flow channel being located on the same side of the third and fourth horizontal flow channels, the second one-way valve being arranged in the second vertical flow channel.
[0014] According to another aspect of the present application, there is provided a heat pump system comprising an outdoor heat exchanger as described above.
[0015] The beneficial effects of the embodiments of the present application are: different from the prior art, the embodiments of the present application are provided with a first side plate, a second side plate, a first mounting block, a second mounting block, a plurality of first collecting pipes and a plurality of second collecting pipes. Among them, the second side plate is oppositely arranged with the first side plate along the first direction, the first mounting block is arranged on the side of the first side plate away from the second side plate, the first mounting block is provided with a first liquid flow channel and a first liquid flow port and a second liquid flow port communicating with the first liquid flow channel, the second mounting block is arranged on the side of the second side plate away from the first side plate, the second mounting block is provided with a second liquid flow channel and a third liquid flow port communicating with the second liquid flow channel, one end of the first collecting pipe is connected to the first side plate, the other end of the first collecting pipe is connected to the second side plate, a plurality of first collecting pipes are arranged along the second direction, the first collecting pipe is internally communicated with the first liquid flow channel and the second liquid flow channel, one end of the second collecting pipe is connected to the first side plate, the other end of the second collecting pipe is connected to the second side plate, a plurality of second collecting pipes are arranged along the second direction, the second collecting pipe is arranged along the third direction with the first collecting pipe, the second collecting pipe is internally communicated with the first liquid flow channel and the second liquid flow channel, when the outdoor heat exchanger is in the first state, the external fluid flows to the first collecting pipe and the second collecting pipe respectively, parallel flow is formed in the first collecting pipe and the second collecting pipe, when the outdoor heat exchanger is in the second state, the external fluid flows through the second collecting pipe and the first collecting pipe in turn, series flow is formed in the first collecting pipe and the second collecting pipe. As can be seen, the first collecting pipe and the second collecting pipe are arranged in the outdoor heat exchanger in the present application, forming two layers of collecting pipes, and users can adjust the flow path of the fluid in the first collecting pipe and the second collecting pipe according to actual needs, so as to form series flow or parallel flow in the first collecting pipe and the second collecting pipe. Compared with the related art which can only realize series flow, the embodiments of the present application have wider application scenarios and can meet the characteristic needs of different working conditions, which is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.
[0017] Figure 1 is a partial structure schematic diagram of the outdoor heat exchanger of the embodiments of the present application;
[0018] Figure 2 is a partial structure exploded view of the outdoor heat exchanger of the embodiments of the present application at one angle;
[0019] Figure 3 is a partial structure exploded view of the outdoor heat exchanger of the embodiments of the present application at another angle
[0020] Figure 4 is a partial structure side view of the outdoor heat exchanger in another state according to an embodiment of the present application.
[0021] Figure 5 is a partial structure side view of the outdoor heat exchanger in another state according to an embodiment of the present application. DETAILED DESCRIPTION
[0022] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as being "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", and similar expressions used in the present specification are for illustrative purposes only.
[0023] Unless otherwise defined, all technical and scientific terms used in the present specification are the same as those commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the present specification are only for the purpose of describing specific embodiments of the present application and are not intended to limit the present application. The term "and / or" used in the present specification includes any and all combinations of one or more of the associated listed items.
[0024] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.
[0025] In order to better illustrate the structure of the outdoor heat exchanger 1000, it will be described in conjunction with the first direction X, the second direction Y and the third direction Z, wherein the first direction X is perpendicular to the second direction Y and the third direction Z.
[0026] Please refer to Figure 1 and Figure 2The outdoor heat exchanger 1000 comprises a first side plate 10, a second side plate 20, a first mounting block 30, a second mounting block 40, a plurality of first header pipes 50, a plurality of second header pipes 60, a first one-way valve 70 and a second one-way valve 80. The first side plate 10 and the second side plate 20 are oppositely arranged along a first direction. The first mounting block 30 is arranged on a side of the first side plate 10 away from the second side plate 20. The second mounting block 40 is arranged on a side of the second side plate 20 away from the first side plate 10. One end of each of the first header pipes 50 is connected to the first side plate 10, and the other end of each of the first header pipes 50 is connected to the second side plate 20. The first header pipes 50 are arranged at intervals along a second direction. One end of each of the second header pipes 60 is connected to the first side plate 10, and the other end of each of the second header pipes 60 is connected to the second side plate 20. The second header pipes 60 are arranged at intervals along the second direction. The second header pipes 60 are arranged at intervals along a third direction from the first header pipes 50. The first one-way valve 70 is arranged in the first side plate 10. The second one-way valve 80 is arranged in the second side plate 20.
[0027] For the first side plate 10 and the second side plate 20 described above, as shown in Figures 1-3 , the second side plate 20 is oppositely arranged along a first direction from the first side plate 10. The first side plate 10 is provided with a third liquid flow channel 10a, and a first connecting hole 10b and a second connecting hole 10c which respectively communicate with the third liquid flow channel 10a. The first connecting hole 10b and the second connecting hole 10c are arranged at intervals along a third direction. The second side plate 20 is provided with a fourth liquid flow channel 20a, and a third connecting hole 20b and a fourth connecting hole 20c which communicate with the fourth liquid flow channel 20a. The third connecting hole 20b and the fourth connecting hole 20c are arranged at intervals along the third direction. The third connecting hole 20b is oppositely arranged along the first direction from the first connecting hole 10b. The fourth connecting hole 20c is oppositely arranged along the first direction from the second connecting hole 10c. One end of each of the first header pipes 50 is inserted into and communicates with the first connecting hole 10b. The other end of each of the first header pipes 50 is inserted into and communicates with the third connecting hole 20b, so as to realize mounting of the first header pipes 50 between the first side plate 10 and the second side plate 20. One end of each of the second header pipes 60 is inserted into and communicates with the second connecting hole 10c. The other end of each of the second header pipes 60 is inserted into and communicates with the fourth connecting hole 20c, so as to realize mounting of the second header pipes 60 between the first side plate 10 and the second side plate 20. The fluid in the first header pipes 50 can flow between the first connecting hole 10b and the third connecting hole 20b. The fluid in the second header pipes 60 can flow between the second connecting hole 10c and the fourth connecting hole 20c.
[0028] In some embodiments, please refer to Figure 4 and Figure 5, the first manifold 50 and the second manifold 60 are not communicated with each other in the first side plate 10, and the first manifold 50 and the second manifold 60 are communicated with each other in the second side plate 20, when the outdoor heat exchanger is in the first state, the external fluid can enter the second flow channel 40a of the second mounting block 40 from the third flow port 40b, and flow through the first manifold 50 and the second manifold 60 to the first flow channel 30a of the first mounting block 30 respectively, forming parallel flow in the first manifold 50 and the second manifold 60, when the outdoor heat exchanger is in the second state, the external fluid can enter the first flow channel 30a from the first flow port 30b, and flow through the second manifold 60 and the first manifold 50 in turn, forming series flow in the first manifold 50 and the second manifold 60.
[0029] It should be noted that: the first state of the outdoor heat exchanger refers to the evaporation mode of the outdoor heat exchanger, that is, the heat exchanger acts as an evaporator in the refrigeration cycle, in this mode, the main function of the heat exchanger is to absorb heat and evaporate the refrigerant from liquid to gas. The second state of the outdoor heat exchanger refers to the heat dissipation mode of the outdoor heat exchanger, that is, the heat exchanger acts as a condenser in the system, in this mode, the main function of the heat exchanger is to transfer heat in the refrigerant to the surrounding environment, so that the refrigerant condenses from gas to liquid.
[0030] In some embodiments, to achieve that the first manifold 50 and the second manifold 60 are not communicated with each other in the first side plate 10, a partition block 101 is arranged on the first side plate 10, the partition block 101 is arranged in the third flow channel 10a, and the partition block 101 divides the third flow channel 10a to form independent first space 10aa and second space 10ab, the first connecting hole 10b is communicated with the first space 10aa, and the second connecting hole 10c is communicated with the second space 10ab, in this way, after the external fluid enters the first flow channel 30a from the first flow port 30b, the fluid flows through the second space 10ab on the first side plate 10, the partition block 101 can block the fluid from flowing directly from the second space 10ab to the first space 10aa, so that the fluid needs to flow through the second manifold 60, the first manifold 50, the fourth flow channel 20a, and then flow through the first space 10aa, thereby changing the flow direction of the fluid.
[0031] In some embodiments, the first side plate 10 is further provided with a first buffer block 102, the first buffer block 102 is arranged in the first space 10aa, the first buffer block 102 divides the first space 10aa into a first buffer cavity 10aaa and a first liquid flow cavity 10aab, the first liquid flow cavity 10aab is communicated with the first liquid flow channel 30a on the first mounting block 30, the first buffer cavity 10aaa is located between the first buffer block 102 and the partition block 101, when the fluid flows from the first manifold 50 to the first liquid flow channel 30a of the first mounting block 30, the fluid flows through the first space 10aa, wherein the first buffer cavity 10aaa in the first space 10aa can buffer the fluid, and the fluid flows to the first liquid flow channel 30a through the first liquid flow cavity 10aab.
[0032] In some embodiments, the first side plate 10 is further provided with a second buffer block 103, the second buffer block 103 is arranged in the second space 10ab, the second buffer block 103 divides the second space 10ab into a second buffer cavity 10aba and a second liquid flow cavity 10abb, the second liquid flow cavity 10abb is communicated with the first liquid flow channel 30a on the first mounting block 30, the second buffer cavity 10aba is located between the second buffer block 103 and the partition block 101, when the fluid flows from the second manifold 60 to the first liquid flow channel 30a of the first mounting block 30, or when the fluid flows from the first liquid flow channel 30a to the second manifold 60, the fluid flows through the second space 10ab, wherein the second buffer cavity 10aba in the second space 10ab can buffer the fluid, and the fluid flows between the second manifold 60 and the first liquid flow channel 30a through the first liquid flow cavity 10aab.
[0033] In some embodiments, the second side plate 20 is provided with a flow guide block 201, the flow guide block 201 is arranged in the fourth liquid flow channel 20a, when the outdoor heat exchanger is in the first state, the flow guide block 201 can guide the fluid entering from the third liquid flow port 40b of the second mounting block 40 into the first manifold 50 and the second manifold 60 respectively, when the outdoor heat exchanger is in the second state, the flow guide block 201 can guide the fluid flowing through the second manifold 60 and the fluid flowing through the second liquid flow channel 40a into the first manifold 50.
[0034] For the above-mentioned first mounting block 30, second mounting block 40, first one-way valve 70 and second one-way valve 80, as Figures 3-5As shown, the first mounting block 30 is arranged on the side of the first side plate 10 away from the second side plate 20, the first mounting block 30 is provided with a first liquid flow channel 30a and a first liquid flow port 30b and a second liquid flow port 30c communicating with the first liquid flow channel 30a, the second mounting block 40 is arranged on the side of the second side plate 20 away from the first side plate 10, the second mounting block 40 is provided with a second liquid flow channel 40a and a third liquid flow port 40b communicating with the second liquid flow channel 40a, the first one-way valve 70 is arranged in the first liquid flow channel 30a, the second one-way valve 80 is arranged in the second liquid flow channel 40a, the second one-way valve 80 is located close to the third liquid flow port 40b, fluid can enter the second liquid flow channel 40a from the second one-way valve 80, and fluid can flow from the first one-way valve 70 to the first liquid flow port 30b from the second liquid flow port 30c. External fluid can flow into from the first liquid flow port 30b or the second liquid flow port 30c or the third liquid flow port 40b, thereby corresponding to different flow paths. In some embodiments, the first liquid flow channel 30a communicates with the third liquid flow channel 10a, and the second liquid flow channel 40a communicates with the fourth liquid flow channel 20a.
[0035] It should be noted that the first liquid flow port 30b, the second liquid flow port 30c and the third liquid flow port 40b are connected to different pipelines, and different pipelines can correspond to opening or closing the first liquid flow port 30b, the second liquid flow port 30c and the third liquid flow port 40b by the control valve, thereby obtaining different fluid flow paths. For example: when the outdoor heat exchanger is in the first state, external fluid enters the second liquid flow channel 40a from the third liquid flow port 40b, and flows through the first manifold 50 and the second manifold 60 to the first liquid flow channel 30a respectively, forming parallel flow in the first manifold 50 and the second manifold 60, at this time, the second liquid flow port 30c is in a closed state by the control valve on the external pipeline, thereby the fluid flowing into the first liquid flow channel 30a flows out from the first liquid flow port 30b, when the outdoor heat exchanger is in the second state, external fluid enters the first liquid flow channel 30a from the first liquid flow port 30b, and flows through the second manifold 60, the first manifold 50 in turn and flows back to the first liquid flow channel 30a, forming series flow in the first manifold 50 and the second manifold 60, at this time, the second liquid flow port 30c is in an open state by the control valve on the external pipeline, the fluid flowing back to the first liquid flow channel 30a flows out from the second liquid flow port 30c.
[0036] In some embodiments, the first liquid flow passage 30a includes a first horizontal flow channel 30aa, a first vertical flow channel 30ab, and a second horizontal flow channel 30ac, the first horizontal flow channel 30aa is in communication with the first space 10aa, the second horizontal flow channel 30ac is in communication with the second space 10ab, the first vertical flow channel 30ab is located between the first horizontal flow channel 30aa and the second horizontal flow channel 30ac, the first one-way valve 70 is installed in the first vertical flow channel 30ab, and fluid can flow from the first horizontal flow channel 30aa to the second horizontal flow channel 30ac through the first one-way valve 70.
[0037] In some embodiments, the second liquid flow passage 40a includes a third horizontal flow channel 40aa, a fourth horizontal flow channel 40ab, and a second vertical flow channel 40ac, the third horizontal flow channel 40aa and the fourth horizontal flow channel 40ab are both in communication with the second vertical flow channel 40ac, the second vertical flow channel 40ac is located on the same side of the third horizontal flow channel 40aa and the fourth horizontal flow channel 40ab, and the second one-way valve 80 is arranged in the second vertical flow channel 40ac.
[0038] For the first manifold 50 and the second manifold 60 described above, as shown in Figure 3 and Figure 4 a plurality of first manifolds 50 are arranged in the second direction, the first manifold 50 is in internal communication with the first liquid flow passage 30a and the second liquid flow passage 40a, a plurality of second manifolds 60 are arranged in the second direction, the second manifold 60 is arranged in the third direction with the first manifold 50, and the second manifold 60 is in internal communication with the first liquid flow passage 30a and the second liquid flow passage 40a. The first manifold 50 is provided with a first liquid flow groove 50a, the first liquid flow groove 50a is in communication with the first space 10aa, the second manifold 60 is provided with a second liquid flow groove 60a, the second liquid flow groove 60a is in communication with the second space 10ab, and the first liquid flow groove 50a and the second liquid flow groove 60a are both used for the flow of fluid to form different flow paths.
[0039] When the outdoor heat exchanger is in the first state, the external fluid flows to the first header 50 and the second header 60 respectively, and parallel flow is formed in the first header 50 and the second header 60; when the outdoor heat exchanger is in the second state, the external fluid flows through the second header 60 and the first header 50 in turn, and series flow is formed in the first header 50 and the second header 60. As can be seen, in the present application, the first header 50 and the second header 60 are arranged in the outdoor heat exchanger, two layers of headers are formed, and the user can adjust the flow path of the fluid in the first header 50 and the second header 60 according to actual needs, so as to form series flow or parallel flow in the first header 50 and the second header 60. Compared with the related art which can only realize series flow, the present application has a wider application scenario and can meet the characteristic requirements of different working conditions, which is more convenient.
[0040] In the embodiment of the present application, the first side plate 10, the second side plate 20, the first mounting block 30, the second mounting block 40, the plurality of first flow collecting pipes 50 and the plurality of second flow collecting pipes 60 are arranged. Among them, the second side plate 20 is arranged opposite to the first side plate 10 along the first direction, the first mounting block 30 is arranged on the side of the first side plate 10 away from the second side plate 20, the first mounting block 30 is provided with the first liquid flow channel 30a and the first liquid flow port 30b and the second liquid flow port 30c communicating with the first liquid flow channel 30a, the second mounting block 40 is arranged on the side of the second side plate 20 away from the first side plate 10, the second mounting block 40 is provided with the second liquid flow channel 40a and the third liquid flow port 40b communicating with the second liquid flow channel 40a, one end of the first flow collecting pipe 50 is connected to the first side plate 10, the other end of the first flow collecting pipe 50 is connected to the second side plate 20, the plurality of first flow collecting pipes 50 are arranged at intervals along the second direction, the first flow collecting pipe 50 is internally communicated with the first liquid flow channel 30a and the second liquid flow channel 40a, one end of the second flow collecting pipe 60 is connected to the first side plate 10, the other end of the second flow collecting pipe 60 is connected to the second side plate 20, the plurality of second flow collecting pipes 60 are arranged at intervals along the second direction, the second flow collecting pipe 60 is arranged at intervals along the third direction with the first flow collecting pipe 50, the second flow collecting pipe 60 is internally communicated with the first liquid flow channel 30a and the second liquid flow channel 40a, when the outdoor heat exchanger is in the first state, the external fluid flows to the first flow collecting pipe 50 and the second flow collecting pipe 60 respectively, and forms parallel flow in the first flow collecting pipe 50 and the second flow collecting pipe 60, when the outdoor heat exchanger is in the second state, the external fluid flows through the second flow collecting pipe 60 and the first flow collecting pipe 50 in turn, and forms series flow in the first flow collecting pipe 50 and the second flow collecting pipe 60. As can be seen, in the present application, the first flow collecting pipe 50 and the second flow collecting pipe 60 are arranged in the outdoor heat exchanger, forming two layers of flow collecting pipes, and users can adjust the flow path of the fluid in the first flow collecting pipe 50 and the second flow collecting pipe 60 according to actual needs, so as to form series flow or parallel flow in the first flow collecting pipe 50 and the second flow collecting pipe 60. Compared with the related art which can only realize series flow, the embodiment of the present application has wider application scenarios and can meet the characteristic requirements of different working conditions, which is more convenient.
[0041] The present application also provides an embodiment of a heat pump system, which comprises the outdoor heat exchanger 1000 as described above, and the functions and structures of the outdoor heat exchanger 1000 can be referred to the above embodiments, which will not be repeated here.
[0042] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. An outdoor heat exchanger, characterized in that, include: First side panel; The second side plate is disposed opposite to the first side plate along a first direction; A first mounting block is disposed on the side of the first side plate away from the second side plate. The first mounting block is provided with a first liquid flow channel and a first liquid flow port and a second liquid flow port that are connected to the first liquid flow channel. The second mounting block is disposed on the side of the second side plate opposite to the first side plate. The second mounting block is provided with a second liquid flow channel and a third liquid flow port communicating with the second liquid flow channel. Multiple first manifolds are provided, one end of which is connected to the first side plate and the other end of which is connected to the second side plate. The multiple first manifolds are spaced apart along the second direction, and the interior of each first manifold is connected to the first liquid flow channel and the second liquid flow channel. Multiple second manifolds are provided, one end of which is connected to the first side plate and the other end of which is connected to the second side plate. The multiple second manifolds are spaced apart along the second direction. The second manifolds and the first manifold are spaced apart along a third direction. The interior of the second manifold is connected to the first liquid flow channel and the second liquid flow channel. The third direction is perpendicular to both the first direction and the second direction. When the outdoor heat exchanger is in the first state, the external fluid flows to the first manifold and the second manifold respectively, forming a parallel flow in the first manifold and the second manifold. When the outdoor heat exchanger is in the second state, the external fluid flows through the second manifold and the first manifold in sequence, forming a series flow in the first manifold and the second manifold.
2. The outdoor heat exchanger according to claim 1, characterized in that, The outdoor heat exchanger includes a first check valve and a second check valve. The first check valve is disposed in the first liquid flow channel, and the second check valve is disposed in the second liquid flow channel. The second check valve is located near the third liquid outlet. Fluid can enter the second liquid flow channel from the second check valve, and fluid can flow from the second liquid outlet to the first check valve. The first and second manifolds are not connected within the first side plate, but are connected within the second side plate. When the outdoor heat exchanger is in the first state, external fluid can enter the second liquid flow channel from the third liquid outlet and flow through the first and second manifolds to the first liquid flow channel, forming a parallel flow within the first and second manifolds. When the outdoor heat exchanger is in the second state, external fluid can enter the first liquid flow channel from the first liquid outlet and flow through the second and first manifolds in sequence, forming a series flow within the first and second manifolds.
3. The outdoor heat exchanger according to claim 2, characterized in that, The first side plate is provided with a third liquid flow channel and a first connecting hole and a second connecting hole respectively connected to the third liquid flow channel. The first connecting hole and the second connecting hole are spaced apart along the third direction. The third liquid flow channel is connected to the first liquid flow channel. The second side plate is provided with a fourth liquid flow channel and a third connecting hole and a fourth connecting hole communicating with the fourth liquid flow channel. The third connecting hole and the fourth connecting hole are spaced apart along the third direction. The third connecting hole and the first connecting hole are opposite to each other along the first direction. The fourth connecting hole and the second connecting hole are opposite to each other along the first direction. The fourth liquid flow channel communicates with the second liquid flow channel. One end of the first manifold is inserted into and communicates with the first connecting hole. The other end of the first manifold is inserted into and communicates with the third connecting hole. One end of the second manifold is inserted into and communicates with the second connecting hole. The other end of the second manifold is inserted into and communicates with the fourth connecting hole.
4. The outdoor heat exchanger according to claim 3, characterized in that, A partition block is also provided on the first side plate. The partition block is disposed in the third liquid flow channel. The partition block divides the third liquid flow channel into an independent first space and a second space. The first connecting hole is connected to the first space, and the second connecting hole is connected to the second space. The first manifold is provided with a first liquid flow channel, which is connected to the first space. The second manifold is provided with a second liquid flow channel, which is connected to the second space.
5. The outdoor heat exchanger according to claim 4, characterized in that, The first side plate is also provided with a first buffer block, which is disposed in the first space. The first buffer block divides the first space into a first buffer cavity and a first liquid flow cavity. The first liquid flow cavity is connected to the first liquid flow channel. The first buffer cavity is located between the first buffer block and the dividing block.
6. The outdoor heat exchanger according to claim 4, characterized in that, The first side plate is also provided with a second buffer block, which is disposed in the second space. The second buffer block divides the second space to form a second buffer cavity and a second liquid flow cavity. The second liquid flow cavity is connected to the first liquid flow channel. The second buffer cavity is located between the second buffer block and the dividing block.
7. The outdoor heat exchanger according to claim 4, characterized in that, The first fluid flow channel includes a first horizontal flow channel, a first vertical flow channel, and a second horizontal flow channel. The first horizontal flow channel is connected to the first space, the second horizontal flow channel is connected to the second space, the first vertical flow channel is located between the first horizontal flow channel and the second horizontal flow channel, and the first one-way valve is installed in the first vertical flow channel. Fluid can flow from the first horizontal flow channel to the second horizontal flow channel through the first one-way valve.
8. The outdoor heat exchanger according to claim 3, characterized in that, The second side plate is provided with a flow guide block, which is disposed in the fourth liquid flow channel.
9. The outdoor heat exchanger according to claim 3, characterized in that, The second fluid flow channel includes a third horizontal flow channel, a fourth horizontal flow channel, and a second vertical direct flow channel. The third horizontal flow channel and the fourth horizontal flow channel are both connected to the second vertical direct flow channel. The second vertical direct flow channel is located on the same side of the third horizontal flow channel and the fourth horizontal flow channel. The second one-way valve is disposed in the second vertical direct flow channel.
10. A heat pump system, characterized in that, Includes the outdoor heat exchanger as described in any one of claims 1-9.