Air heat exchanger device convenient to install

Abstract

The utility model relates to the technical field of air source heat pumps, in particular to an air heat exchanger device convenient to install. Comprising a dual-mode module, an air pipe assembly and a liquid pipe side assembly. The liquid pipe side assembly comprises a main pipe, a branch pipe, a liquid inlet pipe, a liquid outlet pipe and a distribution pipe; the main pipe is arranged on the right side of the dual-mode module in the direction of a straight line L1, an axially-arranged pore plate is arranged in the main pipe and divides the interior of the main pipe into a liquid inlet cavity and a liquid outlet cavity, the left end of the liquid inlet pipe communicates with the liquid inlet cavity, the left end of the liquid outlet pipe communicates with the liquid outlet cavity, and the right end of the liquid inlet pipe communicates with the right end of the liquid outlet pipe; the main pipe is connected to the dual-mode module through branch pipes, a distribution pipe is arranged in each branch pipe, the distribution pipes are arranged in the direction of a straight line L2, the left ends of the distribution pipes communicate with the interior of the dual-mode module, and the right ends of the distribution pipes are arranged on the pore plate and communicate with the liquid inlet cavity. A distributor and a capillary tube structure are replaced by the liquid tube side assembly, so that the product cost is greatly reduced, the production efficiency is higher, and the reliability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of air source heat pumps, in particular to an air heat exchanger device which is easy to install. Background Art

[0002] At present, the air heat exchanger in the air source heat pump air conditioner acts as both an evaporator and a condenser due to the requirements of the cooling and heating modes. When used as an evaporator in the heating mode, the liquid inlet needs to be diverted by a capillary assembly in order to obtain a better heat exchange effect. When used as a condenser in the cooling mode, the resistance is increased when the condensed liquid flows through the capillary assembly at the liquid outlet. Too large a condensation pressure drop may result in a small degree of subcooling, liquid flashing before the throttle valve, and severe performance degradation.

[0003] For example, a fin coil for a variable frequency air-cooled heat pump provided by a Chinese patent (application number 202320563688.9; application date 2023.03.21), the utility model patent includes a multi-layer heat exchange tube evenly arranged from top to bottom in a shell, and fins are expanded on the outer wall of the heat exchange tube. An air collecting pipe and a tee are respectively provided on the left and right sides of the shell. The air collecting pipe is connected to one end of the heat exchange tube, and the other end of the heat exchange tube is connected to one of the interfaces of the tee. The remaining two interfaces of the tee, the higher interface is connected to the capillary liquid distribution tube, and the lower interface is connected to the collecting pipe. Each capillary liquid distribution tube is then connected to the distributor and the distributor supply pipe in turn. Relative to the other end of the collecting pipe connected to the tee, it is connected to the side wall of the distributor supply pipe, and a one-way valve for controlling the flow of fluid from the collecting pipe to the distributor supply pipe is provided in the collecting pipe near the connection.

[0004] According to the above-mentioned reference documents and prior art, the entire air conditioner will be equipped with a distributor and a capillary assembly, but the welding process of the capillary is relatively complicated, the production efficiency is low, and the capillary uses expensive copper materials, which makes the product cost high. Therefore, how to optimize the performance design, improve production efficiency and reduce product costs is a problem that technicians in this field need to solve urgently. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide an air heat exchanger device that is easy to install. By setting a liquid pipe side component to replace the distributor and capillary structure, the product cost is greatly reduced, the production efficiency is higher, and the reliability is better.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] An air heat exchanger device that is easy to install, the device comprises: a dual-mode module and an air pipe assembly and a liquid pipe side assembly arranged on the left and right sides of the dual-mode module; the liquid pipe side assembly comprises a main pipe, a branch pipe, a liquid inlet pipe and a liquid outlet pipe with a fixed structure; the main pipe is arranged on the right side of the dual-mode module along the direction of a straight line L1, the main pipe is connected to the dual-mode module through a branch pipe, the left end of the liquid inlet pipe and the left end of the liquid outlet pipe are both connected to the main pipe, and the right end of the liquid inlet pipe and the right end of the liquid outlet pipe are connected to each other.

[0008] Preferably, the liquid pipe side component also includes a distributor pipe component, which includes an orifice plate and a distribution pipe; the orifice plate is arranged inside the main pipe and along the axial direction of the main pipe, and the orifice plate divides the inside of the main pipe into a liquid outlet chamber and a liquid inlet chamber that are not connected to each other; the right end of the distribution pipe is arranged on the orifice plate and connected to the liquid inlet chamber, and the left end of the distribution pipe passes through the branch pipe along the direction of the straight line L2 and is connected to the dual-mode module; wherein the left and right ends of the branch pipe are respectively connected to the dual-mode module and the liquid outlet chamber, the left end of the liquid inlet pipe is connected to the liquid inlet chamber, and the left end of the liquid outlet pipe is connected to the liquid outlet chamber.

[0009] Preferably, the distributor pipe component further comprises a partition, which is arranged along the radial direction of the orifice plate and located at the bottom thereof, and the outer diameter of the partition is sealed and connected to the inner wall of the main pipe, so that the liquid inlet chamber is smaller than the liquid outlet chamber.

[0010] Preferably, the dual-mode module comprises a shell, heat exchange tubes and fins; multiple layers of heat exchange tubes are evenly arranged from top to bottom in the shell and protrude from both sides, and the outer walls of the heat exchange tubes are expansion-connected to the fins.

[0011] Preferably, the air pipe assembly is arranged on the left side of the dual-mode module, including a first tube body, a second tube body and a third tube body which are interconnected; the second tube body is arranged on the left side of the shell along the direction of the straight line L1, the first tube body and the third tube body are respectively arranged on the left and right sides of the second tube body, and the third tube body is provided with a plurality of tube bodies which are connected one by one with the heat exchange tubes on the left side of the shell.

[0012] Preferably, the device further comprises a tee, two interfaces of which are respectively connected to the right end of the liquid inlet pipe and the right end of the liquid outlet pipe, and the remaining interface is provided with a connecting pipe.

[0013] Preferably, a valve body is provided on the liquid outlet pipe, and the valve body is a one-way valve or a solenoid valve.

[0014] Preferably, the distribution tube has a diameter ranging from 1 mm to 5 mm.

[0015] Preferably, the dual-mode module further comprises side plates, which are vertically arranged on the left and right sides of the shell; the heat exchange tubes pass through the side plates and are expansion-connected therewith.

[0016] In summary, the advantages of the utility model are as follows:

[0017] In cooling mode, the pressure drop in the tube can be significantly reduced, product performance can be improved, product energy efficiency can be higher, and customer power consumption can be lower; avoid the undesirable phenomenon of premature flashing before the throttle valve due to small supercooling caused by large pressure drop. Avoid the occurrence of defects under certain working conditions and improve product reliability. The whole device eliminates the distributor and capillary in structure, thereby greatly reducing the use of high-priced copper parts and greatly reducing product costs; and the capillary-free welding process saves the use of high-silver solder, which reduces costs again, while making production efficiency higher and reliability better. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the structure of the device;

[0019] Figure 2 It is a schematic diagram of the structure of the dual-mode module;

[0020] Figure 3 is a schematic diagram of the structure of the trachea assembly;

[0021] Figure 4 It is a structural schematic diagram of the liquid pipe side component;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the liquid pipe side component;

[0023] Figure 6 It is an exploded view of the liquid pipe side components;

[0024] Figure 7 It is a structural schematic diagram of the distributor pipe component;

[0025] Figure numerals: 1. dual-mode module; 2. air pipe assembly; 3. liquid pipe side assembly; 4. tee; 5. connecting pipe; 11. shell; 12. heat exchange tube; 13. side plate; 21. first tube body; 22. second tube body; 23. third tube body; 31. main tube; 32. branch tube; 33. liquid inlet pipe; 34. liquid outlet pipe; 35. distribution pipe; 36. orifice plate; 37. partition; 38. valve body; 311. liquid inlet cavity; 312. liquid outlet cavity. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0027] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] It should also be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition and explanation in subsequent drawings.

[0029] The specific implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] like Figures 1 to 7 As shown, an air heat exchanger device that is easy to install includes a dual-mode module 1, an air pipe assembly 2 and a liquid pipe side assembly 3; the whole device eliminates the distributor and the capillary in structure, thereby greatly reducing the use of high-priced copper parts and greatly reducing the product cost; and the capillary-free welding process saves the use of high-silver solder, which further reduces the cost, while making the production efficiency higher and the reliability better.

[0031] Specific structures, such as Figure 1 to Figure 2 As shown, the dual-mode module 1 includes a shell 11, a heat exchange tube 12 and fins (not shown in the figure); the shell 11 has multiple layers of heat exchange tubes 12 evenly arranged from top to bottom and protruding from both sides, and the outer wall of the heat exchange tube 12 is expanded with fins. The dual-mode module 1 specifically has a cooling mode and a heating mode. It acts as a condenser in the cooling mode and as an evaporator in the heating mode. The difference between the two modes is that the medium enters from different inlets and is discharged from different outlets of the dual-mode module 1. The specific operation path and rules will be described later.

[0032] Furthermore, the dual-mode module 1 further includes side plates 13, which are vertically arranged on the left and right sides of the housing 11; the heat exchange tubes 12 pass through the side plates 13 and are expanded therewith. The side plates 13 can protect the fins and heat exchange tubes 12 on the module and provide a supporting foundation to ensure the stability of the structure.

[0033] like Figures 1 to 3As shown, the air pipe assembly 2 is arranged on the left side of the dual-mode module 1; in the cooling mode, the air pipe assembly 2 is the medium input end of the dual-mode module 1. Its specific structure includes a first pipe body 21, a second pipe body 22 and a third pipe body 23 that are interconnected; the second pipe body 22 is arranged on the left side of the housing 11 along the direction of the straight line L1, and the first pipe body 21 and the third pipe body 23 are respectively arranged on the left and right sides of the second pipe body 22, and are respectively used for inputting gas medium in the cooling mode and transporting the gas medium into the dual-mode module 1.

[0034] There are several third tube bodies 23 arranged along the radial direction of the second tube body 22 , and each third tube body 23 is connected to the heat exchange tube 12 on the left side of the shell 11 in a one-to-one correspondence to ensure the integrity of the structure.

[0035] like Figure 1 and Figures 4 to 7 As shown, the liquid pipe side component 3 replaces the distributor and capillary assembly in the prior art, which is arranged on the right side of the dual-mode module 1 and specifically includes a main pipe 31 (structured as shown in FIG. Figure 6 As shown, it is composed of main pipe walls A and B sealed), branch pipes 32, liquid inlet pipes 33, liquid outlet pipes 34 and distributor pipe components. In installation, only two branch pipes 32 need to be aligned and inserted into the corresponding heat exchange pipes 12, and then the other branch pipes 32 will be automatically installed accordingly, and then connected and fixed by welding or other sealing connection methods, which can greatly reduce the installation time, and the sealing method of the main pipe 31 in the figure is the same.

[0036] Specifically, the main pipe 31 is arranged on the right side of the shell 11 along the direction of the straight line L1, and the right end of the branch pipe 32 is radially arranged on the main pipe 31 and connected to the inside of the main pipe 31, and its left end is connected to the heat exchange tube 12 on the right side of the shell 11, and the two numbers correspond one to one; and the liquid inlet pipe 33 and the liquid outlet pipe 34 are both installed and connected to the inside of the main pipe 31 for transmitting the medium of the dual-mode module 1.

[0037] Furthermore, the right end of the liquid inlet pipe 33 and the right end of the liquid outlet pipe 34 are connected to each other, and the connection is made by setting a tee 4 or inserting and welding two pipes. When the connection is made by the tee 4, two interfaces of the tee 4 are respectively connected to the right end of the liquid inlet pipe 33 and the right end of the liquid outlet pipe 34, and the remaining interface is provided with a connecting pipe 5; this method is more convenient.

[0038] like Figures 5 to 7 As shown, in order to ensure that the device can better ensure the efficiency of the cooling and heating modes and avoid adverse reactions when running, the liquid pipe side component 3 is further optimized.

[0039] The distributor pipe component includes a distribution pipe 35 and an orifice plate 36; the orifice plate 36 is arranged inside the main pipe 31 and is arranged along the axial direction of the main pipe 31. The space inside the main pipe 31 is divided into a liquid inlet chamber 311 and a liquid outlet chamber 312 that are not connected to each other by arranging the orifice plate 36. The left end of the liquid inlet pipe 33 is separately connected to the liquid inlet chamber 311, and the left end of the liquid outlet pipe 34 is separately connected to the liquid outlet chamber 312; specifically, the right end of the branch pipe 32 is radially arranged on the main pipe 31 and connected to the liquid outlet chamber 312, and the above-mentioned distribution pipe 35 is arranged inside each branch pipe 32. The right end of the distribution pipe 35 is arranged on the orifice plate 36 and connected to the liquid inlet chamber 311, and the left end of the distribution pipe 35 passes through the branch pipe 32 along the direction of the straight line L2 and is connected to the heat exchange tube 12 on the right side of the shell 11.

[0040] The main pipe 31 and the distributor pipe component functionally replace the distributor and capillary assembly, thereby significantly reducing the production cost of the entire device.

[0041] In the heating mode, the liquid medium flows from the liquid inlet pipe 33 into the liquid inlet chamber 311, and is then transported from a plurality of distribution pipes 35 to the dual-mode module 1 (for heat exchange) and the air pipe assembly 2, thereby becoming a gas and flowing out.

[0042] In the cooling mode, the medium is transferred from the gas state of the gas pipe component 2 to the dual-mode module 1 (for heat exchange) and the liquid pipe side component 3 to become liquid. Since the distribution pipe 35 is arranged in the branch pipe 32, its diameter is smaller than the diameter of the branch pipe 32, so that the liquid medium flows from the branch pipe 32 into the liquid outlet cavity 312 and flows out from the liquid outlet pipe 34. Because the pressure difference avoids the distribution pipe 35, the pressure loss is reduced.

[0043] In order to further ensure that the medium does not flow into the distribution pipe 35 in the cooling mode, the diameter of the distribution pipe 35 is in the range of 1 mm to 5 mm, and the specific value fluctuates up and down according to the size of the entire heat exchanger device.

[0044] like Figures 5 to 7 As shown, the distributor pipe component also includes a partition 37, which is radially arranged at the bottom of the orifice plate 36, and the outer diameter of the partition 37 is sealed and connected to the inner wall of the main pipe 31, so that the liquid inlet cavity 311 is smaller than the liquid outlet cavity 312. This arrangement allows the liquid inlet pipe 33 and the liquid outlet pipe 34 to be arranged on the same side of the main pipe 31, making the connection between the two more convenient, and also avoiding the more complicated and irregular structure when the two are arranged on different surfaces, thereby ensuring the simple structure of the liquid inlet pipe 33 and the liquid outlet pipe 34, which can save more materials.

[0045] like Figure 1 and Figure 5As shown, a valve body 38 is provided on the liquid outlet pipe 34, and the valve body 38 can be a one-way valve or a solenoid valve. By providing the valve body 38, in the heating mode, the medium will not pass through the liquid outlet pipe 34 and the liquid outlet cavity 312, thereby avoiding the occurrence of cross-flow of the medium during transmission and improving accuracy.

[0046] The above is a description of the embodiments of the utility model. Through the above description of the disclosed embodiments, professionals and technicians in the field can implement or use the utility model. Various modifications to these embodiments will be obvious to professionals and technicians in the field. The general principles defined in this article can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown in this article, but will conform to the widest range consistent with the principles and novelties disclosed in this article.

Claims

1. An air heat exchanger device that is easy to install, characterized in that: The device comprises: a dual-mode module (1) and an air pipe assembly (2) and a liquid pipe side assembly (3) arranged on the left and right sides of the dual-mode module (1); the liquid pipe side assembly (3) comprises a main pipe (31), a branch pipe (32), a liquid inlet pipe (33) and a liquid outlet pipe (34) with a fixed structure; the main pipe (31) is arranged on the right side of the dual-mode module (1) along the direction of a straight line L1; the main pipe (31) is connected to the dual-mode module (1) through the branch pipe (32); the left end of the liquid inlet pipe (33) and the left end of the liquid outlet pipe (34) are both connected to the main pipe (31); and the right end of the liquid inlet pipe (33) and the right end of the liquid outlet pipe (34) are connected to each other.

2. The air heat exchanger device that is easy to install according to claim 1, characterized in that: The liquid pipe side component (3) also includes a distributor pipe component, which includes an orifice plate (36) and a distribution pipe (35); the orifice plate (36) is arranged inside the main pipe (31) and along the axial direction of the main pipe (31), and the orifice plate (36) divides the inside of the main pipe (31) into a liquid outlet chamber (312) and a liquid inlet chamber (311) that are not connected to each other; the right end of the distribution pipe (35) is arranged on the orifice plate (36) and is connected to the liquid inlet chamber (311), and the left end of the distribution pipe (35) passes through the branch pipe (32) along the direction of the straight line L2 and is connected to the dual-mode module (1); wherein the left and right ends of the branch pipe (32) are respectively connected to the dual-mode module (1) and the liquid outlet chamber (312), the left end of the liquid inlet pipe (33) is connected to the liquid inlet chamber (311), and the left end of the liquid outlet pipe (34) is connected to the liquid outlet chamber (312).

3. The air heat exchanger device that is easy to install according to claim 2, characterized in that: The distributor pipe component also includes a partition (37), which is arranged along the radial direction of the orifice plate (36) and located at its bottom. The outer diameter of the partition (37) is sealed and connected to the inner wall of the main pipe (31), so that the liquid inlet chamber (311) is smaller than the liquid outlet chamber (312).

4. The air heat exchanger device that is easy to install according to claim 1, characterized in that: The dual-mode module (1) comprises a shell (11), a heat exchange tube (12) and fins; multiple layers of heat exchange tubes (12) are evenly arranged from top to bottom in the shell (11) and protrude from both sides, and the outer wall of the heat exchange tube (12) is expansion-connected to the fins.

5. The air heat exchanger device that is easy to install according to claim 4, characterized in that: The air pipe assembly (2) is arranged on the left side of the dual-mode module (1), and comprises a first pipe body (21), a second pipe body (22) and a third pipe body (23) which are interconnected; the second pipe body (22) is arranged on the left side of the shell (11) along the direction of a straight line L1, the first pipe body (21) and the third pipe body (23) are arranged on the left and right sides of the second pipe body (22), respectively, and the third pipe body (23) is provided with a plurality of pipe bodies and is connected one-to-one with the heat exchange pipes (12) on the left side of the shell (11).

6. The air heat exchanger device that is easy to install according to claim 1, characterized in that: The device also includes a tee (4), two interfaces of which are respectively connected to the right end of the liquid inlet pipe (33) and the right end of the liquid outlet pipe (34), and the remaining interface is provided with a connecting pipe (5).

7. An air heat exchanger device that is easy to install according to claim 1 or 2, characterized in that: The liquid outlet pipe (34) is provided with a valve body (38), and the valve body (38) is a one-way valve or a solenoid valve.

8. The air heat exchanger device that is easy to install according to claim 2, characterized in that: The diameter of the distribution pipe (35) ranges from 1 mm to 5 mm.

9. The air heat exchanger device that is easy to install according to claim 4, characterized in that: The dual-mode module (1) further comprises side plates (13), wherein the side plates (13) are vertically arranged on the left and right sides of the shell (11); the heat exchange tube (12) passes through the side plates (13) and is expansion-connected therewith.

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