Efficient heat exchanger structure of dehumidifier

By using corrugated aluminum fins and water passage design in the heat exchanger of the dehumidifier, the problems of dead flow zones and condensate retention in rectangular fins are solved, achieving efficient heat transfer and dehumidification while ensuring smooth drainage.

CN223965523UActive Publication Date: 2026-03-03WUHAN KELAIMEI INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

In existing condensing heat exchangers, the fluid flow dead zone at the rectangular fins leads to poor heat transfer, and condensate tends to stagnate on the fin surface, affecting heat transfer efficiency.

Method used

The rectangular fins are replaced with corrugated aluminum fins, and water passage holes are opened at the troughs of the fins. Combined with the design of a hydrophobic frame and filter screen, the air turbulence is enhanced and the water is discharged quickly.

Benefits of technology

It improves heat transfer efficiency, prevents condensate retention, achieves efficient dehumidification, and ensures smooth drainage through a hydrophobic design to avoid blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The efficient heat exchanger structure of the dehumidifier comprises an evaporator assembly, and the evaporator assembly comprises a bearing frame, copper pipes and rectangular aluminum fins. The efficient heat exchange assembly comprises wave-shaped aluminum fins and water through holes, the two sides of the rectangular aluminum fins are movably connected with the wave-shaped aluminum fins in an attached mode, and the water through holes are formed in the wave-shaped aluminum fins in a penetrating mode. The wave-shaped aluminum fins are installed, air disturbance can be increased, flowing dead zones of fluid can be prevented, the transfer effect of heat at the wave-shaped aluminum fins is further improved, compared with rectangular aluminum fins, more heat can be transferred, the air temperature can be lowered more quickly, and efficient dehumidification is achieved. And the water through holes formed in the wave troughs of the waved aluminum fins in a penetrating mode can guide water flow to rapidly leave the surfaces of the fins, condensate water is prevented from flowing freely on the surfaces of the fins, and the influence of a water film on heat transfer is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of heat exchanger technology, specifically to a high-efficiency heat exchanger structure for a dehumidifier. Background Technology

[0002] The heat exchanger in a dehumidifier is primarily a condensing heat exchanger, typically composed of an evaporator and a condenser, generally employing a "copper tube + aluminum foil fin" structure. The evaporator absorbs heat, cooling the air, while the condenser dissipates heat. Its working principle is as follows: humid air is blown across the evaporator surface by a fan. The refrigerant inside the evaporator evaporates, absorbing heat and lowering the air temperature below the dew point. Water vapor in the air condenses into water droplets, which are collected and discharged through the drainage system, thus achieving dehumidification. Afterward, the dehumidified air passes through the condenser, where the refrigerant condenses, releasing heat and raising the air temperature, increasing the relative humidity. This prevents discomfort from excessively low temperatures and also avoids condensation at the air outlet.

[0003] In existing condensing heat exchangers, the aluminum fins installed on the evaporator are usually conventional rectangular. However, fluid tends to form dead zones at the rectangular fins, resulting in poor heat transfer at the fin tips. Therefore, a new structure is needed to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a high-efficiency heat exchanger structure for a dehumidifier, thereby solving the problems mentioned in the background section. To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] This utility model relates to a high-efficiency heat exchanger structure for a dehumidifier, comprising:

[0006] An evaporator assembly, comprising a support frame, copper tubes, and rectangular aluminum fins, wherein the copper tubes are fixedly inserted in the support frame, and the rectangular aluminum fins are fixedly installed on the outer ring of the copper tubes.

[0007] A high-efficiency heat exchange component includes corrugated aluminum fins and water passage holes. The corrugated aluminum fins are movably attached to both sides of the rectangular aluminum fins, and water passage holes are formed through the corrugated aluminum fins.

[0008] Furthermore, there are a total of six wavy aluminum fins, and the wavy aluminum fins are arranged at equal intervals.

[0009] Furthermore, the water passage is located in the middle of the trough of the wavy aluminum fin.

[0010] Furthermore, the high-efficiency heat exchange assembly also includes a metal block, a threaded groove, a slot, and fastening screws. The metal block is fixedly installed on the side of the receiving frame, and a threaded groove is opened through the middle of the metal block. Slots are opened on both sides of the wavy aluminum fins, and fastening screws are movably connected between the threaded groove and the slot.

[0011] Furthermore, it also includes an anti-clogging drainage component, which includes a drainage frame and a drainage channel. The drainage frame is fixedly connected to the bottom of both sides of the receiving frame, and a drainage channel is opened at one end of the drainage frame. The drainage channel is connected to the drain pipe.

[0012] Furthermore, the anti-clogging drainage component also includes a triangular plate, which is fixedly installed at the bottom of the drainage frame.

[0013] Furthermore, the anti-clogging drainage component also includes a slot, a limiting groove, and a filter screen. The upper end of the drainage frame has a through slot, the lower end of the drainage frame has a limiting groove, and the filter screen is movably inserted between the slot and the limiting groove.

[0014] Furthermore, the anti-clogging drainage assembly also includes a baffle, which is fixedly connected to the top of the filter screen.

[0015] This utility model has the following beneficial effects:

[0016] This invention features a wavy aluminum fin that is movably connected to the side of a rectangular aluminum fin. This increases air turbulence and prevents dead zones in the fluid flow, thereby improving the heat transfer effect at the wavy aluminum fin and significantly increasing the heat transfer coefficient. This means that under the same temperature difference, the wavy aluminum fin can transfer more heat than the rectangular aluminum fin, which helps to lower the air temperature more quickly and achieve efficient dehumidification. Furthermore, the water passages through the troughs of the wavy aluminum fin can guide water to quickly leave the fin surface, preventing condensate from flowing randomly on the fin surface and reducing the impact of the water film on heat transfer.

[0017] Based on the aforementioned beneficial effects, the triangular plate installed at the drainage frame can guide water flow quickly into the drain pipe, accelerating the discharge of water. The installed filter screen can intercept and filter large particles of impurities to prevent blockage of the normal flow of water in the drain pipe. At the same time, with the cooperation of the slot and the limiting groove, the filter screen can be disassembled and installed, which facilitates quick cleaning when blockage occurs inside the filter screen and ensures the normal use of the filter screen. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0020] Figure 2 This is a schematic diagram showing the water passage opening of this utility model;

[0021] Figure 3 For the present utility model Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 This is a schematic diagram of the filter screen connection of this utility model.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 101. Support frame; 102. Copper pipe; 103. Rectangular aluminum fins;

[0025] 201. Wavy aluminum fins; 202. Water passage hole; 203. Metal block; 204. Threaded groove; 205. Slot; 206. Fastening screw;

[0026] 301. Drainage frame; 302. Drainage groove; 303. Triangular plate; 304. Slot; 305. Limiting groove; 306. Filter screen; 307. Baffle. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0029] Please see Figure 1-4 As shown, this utility model is a high-efficiency heat exchanger structure for a dehumidifier, comprising:

[0030] The evaporator assembly includes a support frame 101, a copper tube 102, and rectangular aluminum fins 103. The copper tube 102 is fixedly inserted in the support frame 101, and the rectangular aluminum fins 103 are fixedly installed on the outer ring of the copper tube 102.

[0031] The high-efficiency heat exchange component includes a corrugated aluminum fin 201 and a water passage hole 202. The corrugated aluminum fin 201 is movably attached to both sides of the rectangular aluminum fin 103. The water passage hole 202 is opened through the corrugated aluminum fin 201.

[0032] There are a total of six wavy aluminum fins 201, and the wavy aluminum fins 201 are arranged at equal intervals;

[0033] The evaporator assembly in the heat exchanger is composed of the receiving frame 101, copper tube 102, and rectangular aluminum fins 103. The number and position distribution of the corrugated aluminum fins 201 ensure improved heat transfer performance.

[0034] The water passage 202 is located in the middle of the trough of the corrugated aluminum fin 201;

[0035] The location of the water passage 202 is designed to guide condensed water droplets down and prevent water from adhering to the corrugated aluminum fins 201.

[0036] The high-efficiency heat exchange assembly also includes a metal block 203, a threaded groove 204, a slot 205, and a fastening screw 206. The metal block 203 is fixedly installed on the side of the receiving frame 101. The threaded groove 204 is opened through the middle of the metal block 203. The slots 205 are opened on both sides of the wavy aluminum fins 201. The fastening screw 206 is movably connected between the threaded groove 204 and the slot 205.

[0037] The metal block 203 provides a guarantee for the opening of the threaded groove 204. The threaded groove 204, the slot 205 and the fastening screw 206 work together to ensure the easy disassembly and assembly of the corrugated aluminum fin 201, thus facilitating the replacement of the corrugated aluminum fin 201.

[0038] It also includes a clog-proof drainage component, which includes a drainage frame 301 and a drainage channel 302. The drainage frame 301 is fixedly connected to the bottom of both sides of the support frame 101. A drainage channel 302 is opened at one end of the drainage frame 301, and the drainage channel 302 is connected to the drain pipe.

[0039] The drainage frame 301 and drainage channel 302 are used to catch and guide the condensed water flow.

[0040] The anti-clogging drainage component also includes a triangular plate 303, and the triangular plate 303 is fixedly installed at the bottom of the drainage frame 301;

[0041] The triangular plate 303 ensures that water flows rapidly through the drainage frame 301.

[0042] The anti-clogging drainage component also includes a slot 304, a limiting groove 305, and a filter screen 306. The upper end of the drainage frame 301 has a slot 304 through it, and the lower end of the drainage frame 301 has a limiting groove 305. The filter screen 306 is movably inserted between the slot 304 and the limiting groove 305.

[0043] The slot 304 and the limiting slot 305 work together to ensure the easy installation and removal of the filter screen 306.

[0044] The anti-clogging drainage assembly also includes a baffle 307, and the baffle 307 is fixedly connected to the top of the filter screen 306;

[0045] The baffle 307 is designed to facilitate the user's disassembly and assembly of the filter screen 306.

[0046] Working principle: The corrugated aluminum fin 201 is placed in front of the rectangular aluminum fin 103. Then, the fastening screw 206 is tightened at the threaded groove 204 until the fastening screw 206 is firmly engaged with the groove 205, thus installing the corrugated aluminum fin 201. During operation, humid air is blown by the fan onto the surface of the rectangular aluminum fin 103 and the corrugated aluminum fin 201. The refrigerant introduced into the copper pipe 102 evaporates and absorbs heat, lowering the air temperature below the dew point temperature. The water vapor in the air then evaporates. The water will condense into droplets, which will flow downwards through the water passage 202 until they flow into the drainage frame 301. Then, they will flow along the triangular plate 303, through the filter screen 306 and the drainage groove 302 into the drain pipe, and then be discharged through the drain pipe. During this process, the mesh of the filter screen 306 will intercept and filter large particles of impurities. By pulling the baffle 307, the filter screen 306 can be removed from the slot 304 and the limiting groove 305 for cleaning. This step can achieve a highly efficient dehumidification effect.

[0047] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-efficiency heat exchanger structure for a dehumidifier, characterized in that, include: An evaporator assembly, comprising a support frame (101), a copper tube (102), and rectangular aluminum fins (103), wherein the copper tube (102) is fixedly inserted in the support frame (101), and the rectangular aluminum fins (103) are fixedly installed on the outer ring of the copper tube (102). A high-efficiency heat exchange component, comprising corrugated aluminum fins (201) and water passage holes (202), wherein the rectangular aluminum fins (103) are movably attached to the corrugated aluminum fins (201) on both sides, and water passage holes (202) are formed through the corrugated aluminum fins (201).

2. The high-efficiency heat exchanger structure for a dehumidifier according to claim 1, characterized in that: There are a total of six wavy aluminum fins (201), and the wavy aluminum fins (201) are arranged at equal intervals.

3. The high-efficiency heat exchanger structure for a dehumidifier according to claim 1, characterized in that: The water passage (202) is located in the middle of the trough of the wavy aluminum fin (201).

4. The high-efficiency heat exchanger structure for a dehumidifier according to claim 1, characterized in that: The high-efficiency heat exchange assembly also includes a metal block (203), a threaded groove (204), a slot (205), and a fastening screw (206). The metal block (203) is fixedly installed on the side of the receiving frame (101). The threaded groove (204) is opened through the middle of the metal block (203). The slots (205) are opened on both sides of the wavy aluminum fins (201). The fastening screw (206) is movably connected between the threaded groove (204) and the slot (205).

5. The structure of a high-efficiency heat exchanger for a dehumidifier according to claim 1, characterized in that: It also includes an anti-clogging drainage component, which includes a drainage frame (301) and a drainage channel (302). The drainage frame (301) is fixedly connected to the bottom of both sides of the receiving frame (101). A drainage channel (302) is opened at one end of the drainage frame (301), and the drainage channel (302) is connected to the drain pipe.

6. The high-efficiency heat exchanger structure for a dehumidifier according to claim 5, characterized in that: The anti-clogging drainage component also includes a triangular plate (303), and the triangular plate (303) is fixedly installed at the bottom of the drainage frame (301).

7. The high-efficiency heat exchanger structure for a dehumidifier according to claim 5, characterized in that: The anti-clogging drainage component also includes a slot (304), a limiting groove (305), and a filter screen (306). The slot (304) is opened through the upper end of the drainage frame (301), and the limiting groove (305) is opened at the lower end of the drainage frame (301). The filter screen (306) is movably inserted between the slot (304) and the limiting groove (305).

8. The high-efficiency heat exchanger structure for a dehumidifier according to claim 7, characterized in that: The anti-clogging drainage assembly also includes a baffle (307), and the baffle (307) is fixedly connected to the top of the filter screen (306).