Flow path structure of efficient heat exchanger for precise air conditioner
By designing four-channel split coil assembly and fin structure in the heat exchanger of the precision air conditioning system, the problems of uneven flow and low heat exchange efficiency of Freon are solved, and more efficient condensation and evaporation effects are achieved, and the refrigeration and heating energy efficiency is improved.
Patent Information
- Application Number
- CN202422026775.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-20
AI Technical Summary
In the precision air conditioning system, there is no fixed diversion method for the flow path distribution of the heat exchanger, resulting in uneven flow heat exchange, poor turbulence, low heat exchange efficiency, and insufficient improvement of the energy efficiency of the refrigeration and air conditioning system.
A high-efficiency heat exchanger flow path structure for precision air conditioning is designed. By setting four coil components and multiple copper tubes in the heat exchanger body, combining the copper bent tube and fins to connect, the Freon refrigerant medium is divided into four channels, which are condensed and heat-expressed through the copper tube and the copper bent tube respectively.
Through four-channel shunt and fin convection heat exchange, the condensation and evaporation efficiency of Freon is improved, the refrigeration and heating capacity are enhanced, the overall energy efficiency is improved, and the refrigeration system is energy-saving.
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Figure CN223036597U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of precision air conditioners, in particular to a high-efficiency heat exchanger flow path structure for a precision air conditioner. Background Art
[0002] A precision air conditioner is a special type of air conditioning system designed for environments with very high requirements for temperature and humidity. Compared with ordinary household air conditioners, precision air conditioners can achieve higher precision and stability. However, in the heat exchanger of the air conditioner, the flow path distribution has no fixed flow splitting method, the refrigerant flow heat transfer is uneven, the turbulence degree of the refrigerant flow in the heat exchanger is poor, the heat transfer efficiency is low, and there is no obvious improvement effect on improving the energy efficiency of the refrigeration air conditioning system. Content of the Utility Model
[0003] The purpose of the utility model is to provide a high-efficiency heat exchanger flow path structure for a precision air conditioner to solve the problems in the above background art that in the heat exchanger of the air conditioner, the flow path distribution has no fixed flow splitting method, the refrigerant flow heat transfer is uneven, the turbulence degree of the refrigerant flow in the heat exchanger is poor, the heat transfer efficiency is low, and there is no obvious improvement effect on improving the energy efficiency of the refrigeration air conditioning system.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A high-efficiency heat exchanger flow path structure for a precision air conditioner, including a heat exchanger body arranged inside the precision air conditioner. The heat exchanger body includes a left fixing plate and a right fixing plate. Between the left fixing plate and the right fixing plate, a first coil assembly, a second coil assembly, a third coil assembly, and a fourth coil assembly are sequentially arranged from top to bottom. The first coil assembly, the second coil assembly, the third coil assembly, and the fourth coil assembly each include a plurality of copper tubes and a plurality of connecting copper elbows. The plurality of copper tubes are connected by the connecting copper elbows. An installation mechanism is arranged at the bottom of the left fixing plate and the right fixing plate. Fins are fixedly connected to the outside of the copper tubes.
[0005] Preferably, the fins are evenly distributed at equal intervals on the outside of the copper tubes, and the copper tubes are brazed to the connecting copper elbows.
[0006] Preferably, a first inlet is arranged at one end of the first coil assembly, and a first outlet is arranged at the other end of the first coil assembly.
[0007] Preferably, a second inlet is arranged at one end of the second coil assembly, and a second outlet is arranged at the other end of the second coil assembly.
[0008] Preferably, a third inlet is arranged at one end of the third coil assembly, and a third outlet is arranged at the other end of the third coil assembly.
[0009] Preferably, a fourth inlet is arranged at one end of the fourth coil assembly, and a fourth outlet is arranged at the other end of the fourth coil assembly.
[0010] Preferably, the installation mechanism includes a first through hole, a support frame, a second through hole, a first connection hole, a rubber sleeve and a second connection hole. A first through hole is provided on one side of the bottom of both the left fixing plate and the right fixing plate. A support frame is arranged between the left fixing plate and the right fixing plate. Second through holes are provided on both sides of the support frame. A first connection hole is provided on the outer side of the support frame. Rubber sleeves are wrapped around both sides of the support frame. A second connection hole is provided on the outer side of the rubber sleeve. The rubber sleeve is arranged in a U-shaped structure.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: In the high-efficiency heat exchanger flow path structure for precision air conditioners, through the cooperation of four coil assemblies and fins, the Freon refrigerant medium is divided into four paths and enters the inside of the copper tubes and the connected copper elbows respectively from four inlets, and convectively exchanges heat with air through a number of fins. The four paths of Freon refrigeration media after heat exchange flow out from four outlets respectively, that is, Freon is divided into four paths to condense and release heat in the fins of the high-efficiency heat exchanger for precision air conditioners. According to the refrigeration principle and the characteristics of the refrigerant, the condenser Freon refrigeration system with this flow path can improve the refrigeration capacity, improve the refrigeration energy efficiency, and has an energy-saving effect on the refrigeration system. In addition, when Freon flows reversely, that is, enters from the Y end and flows out from the X end, the finned copper tube heat exchanger is used for heating as an evaporator, which is beneficial to defrosting, and can improve the heating capacity and heating energy efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic diagram of the external structure of the present utility model;
[0013] Figure 2 is a schematic diagram of the front view structure of the present utility model;
[0014] Figure 3 is a schematic diagram of the left view structure of the present utility model;
[0015] Figure 4 is a schematic diagram of the right view structure of the present utility model;
[0016] Figure 5 is a schematic diagram of the structure of the first coil assembly of the present utility model;
[0017] Figure 6 is a schematic diagram of the structure of the installation mechanism of the present utility model.
[0018] In the figure: 1, left fixing plate; 2, right fixing plate; 3, copper tube; 4, fin; 5, connected copper elbow; X1, first inlet; Y1, first outlet; X2, second inlet; Y2, second outlet; X3, third inlet; Y3, third outlet; X4, fourth inlet; Y4, fourth outlet; 6, first through hole; 7, support frame; 8, second through hole; 9, first connection hole; 10, rubber sleeve; 11, second connection hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0020] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions that the present application can be implemented. Therefore, they do not have technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present application can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present application.
[0021] Embodiment
[0022] Please refer to Figures 1-6 , a high-efficiency heat exchanger flow path structure for a precision air conditioner of the present utility model: It includes a heat exchanger body arranged inside the precision air conditioner. The heat exchanger body includes a left fixing plate 1 and a right fixing plate 2. A first coil assembly, a second coil assembly, a third coil assembly, and a fourth coil assembly are sequentially arranged from top to bottom between the left fixing plate 1 and the right fixing plate 2. The first coil assembly, the second coil assembly, the third coil assembly, and the fourth coil assembly each include a plurality of copper tubes 3 and a plurality of connecting copper elbows 5. The plurality of copper tubes 3 are connected by the connecting copper elbows 5. An installation mechanism is arranged at the bottoms of the left fixing plate 1 and the right fixing plate 2. Fins 4 are fixedly connected to the outer sides of the copper tubes 3. Through the cooperation of the four coil assemblies and the fins 4, the freon refrigerant medium is divided into four paths and respectively enters the interiors of the copper tubes 3 and the connecting copper elbows 5 from four inlets, and exchanges heat with air through a number of fins 4 by convection. The four paths of freon refrigeration media after heat exchange flow out from four outlets respectively, that is, the freon is divided into four paths to condense and release heat in the fins 4 of the high-efficiency heat exchanger for the precision air conditioner. According to the refrigeration principle and the characteristics of the refrigerant, the condenser freon refrigeration system with this flow path can improve the refrigeration capacity, improve the refrigeration energy efficiency, and has an energy-saving effect on the refrigeration system. In addition, when the freon flows in the reverse direction, that is, enters from the Y end and flows out from the X end, the finned copper tube heat exchanger is used as an evaporator for heating, which is beneficial for defrosting, and can also improve the heating capacity and heating energy efficiency.
[0023] For better heat exchange, the fins 4 are evenly distributed on the outer sides of the copper tubes 3. The copper tubes 3 are brazed to the connecting copper elbows 5. Through the arrangement of the fins 4, better heat exchange can be achieved.
[0024] For better heat exchange, a first inlet X1 is provided at one end of the first coil assembly, and a first outlet Y1 is provided at the other end of the first coil assembly. The first inlet X1 is in communication with the first outlet Y1.
[0025] For better heat exchange, a second inlet X2 is provided at one end of the second coil assembly, and a second outlet Y2 is provided at the other end of the second coil assembly. The second inlet X2 is in communication with the second outlet Y2.
[0026] For better heat exchange, a third inlet X3 is provided at one end of the third coil assembly, and a third outlet Y3 is provided at the other end of the third coil assembly. The third inlet X3 is in communication with the third outlet Y3.
[0027] For better heat exchange, a fourth inlet X4 is provided at one end of the fourth coil assembly, and a fourth outlet Y4 is provided at the other end of the fourth coil assembly. The fourth inlet X4 is in communication with the fourth outlet Y4.
[0028] To facilitate the fixation of the heat exchanger, the installation mechanism includes a first through hole 6, a support frame 7, a second through hole 8, a first connection hole 9, a rubber sleeve 10, and a second connection hole 11. First through holes 6 are respectively opened on one side of the bottoms of the left fixing plate 1 and the right fixing plate 2. A support frame 7 is arranged between the left fixing plate 1 and the right fixing plate 2. Second through holes 8 are opened on both sides of the support frame 7. A first connection hole 9 is opened on the outer side of the support frame 7. Rubber sleeves 10 are wrapped around both sides of the support frame 7. Second connection holes 11 are opened on the outer sides of the rubber sleeves 10. The rubber sleeves 10 are arranged in a U-shaped structure. The left fixing plate 1 and the right fixing plate 2 are connected to the second through holes 8 on the support frame 7 by bolts passing through the first through holes 6 and tightened with nuts, thereby fixing the support frame 7. Then, the rubber sleeves 10 are sleeved on the outer sides of the support frame 7, so that the first connection hole 9 coincides with the second connection hole 11, and thus the heat exchanger can be fixed by bolts passing through the two holes. The rubber sleeves 10 can play a role in absorbing vibration energy, making the installation of the heat exchanger more stable.
[0029] Working principle: Through the cooperation of four coil assemblies and the fins 4, the Freon refrigerant medium is divided into four paths and enters the interior of the copper tubes 3 and the connecting copper elbows 5 from four inlets respectively. After convective heat exchange with the air through a number of fins 4, the four paths of Freon refrigerant medium after heat exchange flow out from four outlets respectively. That is, the Freon is divided into four paths to condense and release heat in the fins 4 of the high-efficiency heat exchanger for precision air conditioners. According to the refrigeration principle and the characteristics of the refrigerant, the condenser Freon refrigeration system with this flow path can improve the refrigeration capacity, improve the refrigeration energy efficiency, and has an energy-saving effect on the refrigeration system. In addition, when the Freon flows in the reverse direction, that is, enters from the Y end and flows out from the X end, the finned copper tube heat exchanger is used as an evaporator for heating, which is beneficial to defrosting, and can also improve the heating capacity and heating energy efficiency. The left fixing plate 1 and the right fixing plate 2 are connected to the second through holes 8 on the support frame 7 by bolts passing through the first through holes 6, and tightened with nuts to fix the support frame 7. Then, the rubber sleeve 10 is sleeved on the outside of the support frame 7 so that the first connection hole 9 coincides with the second connection hole 11, so that the heat exchanger can be fixed with bolts passing through the two holes. The rubber sleeve 10 can play the role of vibration energy absorption, making the installation of the heat exchanger more stable.
[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high-efficiency heat exchanger flow path structure for a precision air conditioner, comprising a heat exchanger body arranged inside the precision air conditioner, the heat exchanger body comprising a left fixing plate (1) and a right fixing plate (2), characterized in that: A first coil assembly, a second coil assembly, a third coil assembly and a fourth coil assembly are arranged in sequence from top to bottom between the left fixed plate (1) and the right fixed plate (2); the first coil assembly, the second coil assembly, the third coil assembly and the fourth coil assembly all comprise a plurality of copper tubes (3) and a plurality of connecting copper bends (5); the plurality of copper tubes (3) are connected via the connecting copper bends (5); a mounting mechanism is arranged at the bottom of the left fixed plate (1) and the right fixed plate (2); and a fin (4) is fixedly connected to the outer side of the copper tube (3).
2. The high-efficiency heat exchanger flow path structure for precision air conditioning according to claim 1, characterized in that: The fins (4) are distributed at equal intervals on the outside of the copper tube (3), and the copper tube (3) is connected to the connecting copper elbow (5) by brazing.
3. The high-efficiency heat exchanger flow path structure for precision air conditioning according to claim 1, characterized in that: A first inlet (X1) is provided at one end of the first coil assembly, and a first outlet (Y1) is provided at the other end of the first coil assembly.
4. The high-efficiency heat exchanger flow path structure for precision air conditioning according to claim 1, characterized in that: A second inlet (X2) is provided at one end of the second coil assembly, and a second outlet (Y2) is provided at the other end of the second coil assembly.
5. The high-efficiency heat exchanger flow path structure for precision air conditioning according to claim 1, characterized in that: A third inlet (X3) is provided at one end of the third coil assembly, and a third outlet (Y3) is provided at the other end of the third coil assembly.
6. The high-efficiency heat exchanger flow path structure for precision air conditioning according to claim 1, characterized in that: A fourth inlet (X4) is disposed at one end of the fourth coil assembly, and a fourth outlet (Y4) is disposed at the other end of the fourth coil assembly.
7. The high-efficiency heat exchanger flow path structure for precision air conditioning according to claim 1, characterized in that: The mounting mechanism comprises a first through hole (6), a support frame (7), a second through hole (8), a first connecting hole (9), a rubber sleeve (10) and a second connecting hole (11); the first through hole (6) is provided on one side of the bottom of the left fixing plate (1) and the right fixing plate (2); a support frame (7) is provided between the left fixing plate (1) and the right fixing plate (2); second through holes (8) are provided on both sides of the support frame (7); the first connecting hole (9) is provided on the outer side of the support frame (7); rubber sleeves (10) are wrapped on both sides of the support frame (7); the second connecting hole (11) is provided on the outer side of the rubber sleeve (10); and the rubber sleeve (10) is provided in a U-shaped structure.