Heat pump dehumidification constant-temperature heat exchanger

Abstract

The utility model discloses a heat pump dehumidification constant-temperature heat exchanger, which relates to the technical field of heat exchangers, aims to solve the problem of designing a heat exchanger special for heat pump dehumidification constant temperature, and comprises a shell, and an air inlet and an air supply outlet are respectively arranged at two ends of the shell. An air inlet is formed in the shell, a fan is arranged in the air inlet, corrugated fins and slotted fins are arranged in the shell, and the slotted fins are arranged on the sides, away from the air inlet, of the corrugated fins.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a heat pump dehumidification constant temperature heat exchanger. Background Art

[0002] Serial fin-tube heat exchangers are widely used, but there is still a lack of a fin-combined heat exchanger specifically for heat pump dehumidification and constant temperature use.

[0003] Existing dehumidification heat pumps basically only use one type of fin shape to process different air sections. Ignoring the fin shape selection, the dehumidification and heat exchange capabilities are greatly reduced, and the two processing sections will also have a certain impact on each other.

[0004] Research has shown that corrugated fins offer superior dehumidification performance, while slotted fins offer greater heat transfer capacity. The impact of the treatment section lies in the fact that high humidity environments require high air speeds, which can cause water droplets to escape directly from the heat exchanger. Research suggests this directly affects the temperature and humidity of the treated air, while lower humidity conditions do not. Therefore, there is an urgent need to design a heat exchanger specifically for heat pump dehumidification and temperature control. Utility Model Content

[0005] In order to solve the above problem, that is, to design a heat exchanger that can be specially used for heat pump dehumidification and constant temperature, the utility model proposes a heat pump dehumidification and constant temperature heat exchanger, which includes a shell, and an air inlet and an air supply port are respectively provided at both ends of the shell. A fan is provided in the air inlet, and corrugated fins and slit fins are provided in the shell, and the slit fins are arranged on the side of the corrugated fin away from the air inlet.

[0006] The utility model is further configured as follows: a plurality of water baffles are installed between the corrugated fins and the slotted fins, the water baffles are configured in a wavy line shape, and the distance between two adjacent water baffles is smaller than the width of the water baffles.

[0007] The present invention is further configured as follows: a water tray for receiving condensed water is further provided at the bottom of the shell.

[0008] The beneficial effects of the utility model are:

[0009] 1. Through the combined use of corrugated fins and slotted fins, the hot and humid air can be dehumidified and cooled first, and then heat exchanged. Both the dehumidification effect and the heat exchange effect can achieve the best effect. The overall performance of the heat exchanger is improved, and the specialization of the heat pump dehumidification constant temperature working condition is realized.

[0010] 2. By setting up a water baffle, condensed water droplets can be prevented from splashing onto the slotted fins, making the heat exchanger suitable for air handling environments with high wind speeds caused by high humidity.

[0011] 3. Alternating the corrugated fins and the slotted fins can make the structure more compact and greatly reduce the volume of the heat exchanger while meeting the requirements of dehumidification and constant temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A top view of Example 2 is shown.

[0013] Figure 2 A top view of Example 1 is shown.

[0014] Figure numerals: 1. Shell; 11. Air inlet; 12. Air outlet; 2. Fan; 3. Corrugated fin; 4. Slit fin; 5. Water baffle; 6. Heat exchange tube; 7. Water tray. DETAILED DESCRIPTION

[0015] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0016] Example 1

[0017] The utility model proposes a heat pump dehumidification constant temperature heat exchanger, which includes a shell 1, and an air inlet 11 and an air supply port 12 are respectively integrated at both ends of the shell 1, wherein a fan 2 is installed in the air inlet 11 for inputting air to be treated into the shell 1 through the air inlet 11.

[0018] Corrugated fins 3 and slotted fins 4 are fixedly connected within the housing 1, with the slotted fins 4 being located on the side of the corrugated fins 3 facing away from the air inlet 11. Heat exchange tubes 6 are provided through both the corrugated fins 3 and the slotted fins 4. Cold water circulates through the heat exchange tubes 6 provided on the corrugated fins 3, while hot water circulates through the heat exchange tubes 6 provided on the slotted fins 4.

[0019] After the air to be treated enters from the air inlet 11, it will first undergo cooling and dehumidification treatment by the corrugated fins 3, and then be blown to the slit fins 4. The slit fins 4 can exchange heat and heat the air that has undergone cooling and dehumidification treatment, and then be blown out from the air supply port 12. The air blown out is constant temperature and dry air.

[0020] A water tray 7 is also installed at the bottom of the shell 1. The bottom of the shell 1 is open. The corrugated fins 3 will produce condensed water droplets during dehumidification. The condensed water droplets will drip downward under the action of their own gravity and then drip into the water tray 7. The water tray 7 receives the condensed water to prevent the water droplets from falling to the ground.

[0021] It should be noted that the heat pump constant temperature heat exchanger disclosed in this embodiment is suitable for air conditioning dehumidification, clothing drying dehumidification, and food crop drying and dehumidification working conditions.

[0022] Example 2

[0023] This embodiment proposes a heat pump constant temperature heat exchanger, including a shell 1, with an air inlet 11 and an air outlet 12 integrated at both ends of the shell 1, wherein a fan 2 is installed in the air inlet 11 to input air to be treated into the shell 1 through the air inlet 11.

[0024] Corrugated fins 3 and slotted fins 4 are fixedly connected within the housing 1, with the slotted fins 4 being located on the side of the corrugated fins 3 facing away from the air inlet 11. Heat exchange tubes 6 are provided through both the corrugated fins 3 and the slotted fins 4. Cold water circulates through the heat exchange tubes 6 provided on the corrugated fins 3, while hot water circulates through the heat exchange tubes 6 provided on the slotted fins 4.

[0025] A plurality of water baffles 5 are installed between the corrugated fins 3 and the slotted fins 4. The water baffles 5 are arranged in a wavy line shape, and the distance between two adjacent water baffles 5 is less than the width of the water baffles 5. In this way, water droplets moving in the horizontal direction can be blocked to prevent condensation from being blown toward the slotted fins 4.

[0026] A water tray 7 is also installed at the bottom of the shell 1. The bottom of the shell 1 is open. The corrugated fins 3 will produce condensed water droplets during dehumidification. The condensed water droplets will drip downward under the action of their own gravity and then drip into the water tray 7. The water tray 7 receives the condensed water to prevent the water droplets from falling to the ground.

[0027] At the beginning of operation, the humidity load in the air is heavy. After the humid air is sucked into the fan 2, it first passes through the corrugated fins 3. Cold water circulates in the heat exchange tubes 6 on the corrugated fins 3. When the hot and humid air passes through the surface of the heat exchange tubes 6, since the surface of the heat exchange tubes 6 is lower than the dew point temperature of the air in the current state, the moisture in the air is precipitated and attached to the fins, and then falls down into the water tray 7 under the action of gravity.

[0028] It should be noted that when the air humidity is extremely high (RH>90%), the equipment processing speed must also be increased, and the wind speed naturally needs to be increased. Under the influence of the wind, some condensed water is carried out by the strong wind before it can fall, generating water mist, which in turn affects the heat exchange of the slotted fins 4. The water baffle 5 can intercept and block the water mist, preventing it from blowing towards the slotted fins 4.

[0029] Hot water circulates in the heat exchange tubes 6 of the slotted fins 4, thereby heating the air. The heated air is blown out of the heat exchanger through the air outlet 12, thus completing the entire heat exchange process.

[0030] It should be noted that the heat pump constant temperature heat exchanger disclosed in this embodiment is suitable for high humidity working conditions, such as bathing, processing workshops, etc.

[0031] In summary, the present invention can first dehumidify and cool the hot and humid air and then perform heat exchange by combining the corrugated fins 3 and the slotted fins 4, and both the dehumidification effect and the heat exchange effect can achieve the best effect, the overall performance of the heat exchanger is improved, and the specificity of the heat pump dehumidification and constant temperature working conditions is achieved. By providing a water baffle 5, it is possible to prevent condensed water droplets from splashing onto the slotted fins 4, so that the heat exchanger can be used in air treatment environments with high wind speeds caused by high humidity. By alternating the corrugated fins 3 and the slotted fins 4, the structure can be made more compact while meeting the requirements of dehumidification and constant temperature, greatly reducing the volume of the heat exchanger.

[0032] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and components may be substituted with equivalents without departing from the scope of the present invention. In particular, the various technical features described in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions within the scope of the claims.

[0033] In the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. These are merely for ease of description and are not intended to indicate or imply that the device or component described must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] Furthermore, it should be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0035] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, article, or apparatus / device.

[0036] Thus far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present invention.

Claims

1. A heat pump dehumidifying constant temperature heat exchanger, comprising a housing (1), an air inlet (11) and an air outlet (12) respectively provided at both ends of the housing (1), a fan (2) provided in the air inlet (11), and characterized in that: Corrugated fins (3) and slotted fins (4) are provided in the housing (1), and the slotted fins (4) are provided on a side of the corrugated fins (3) facing away from the air inlet (11).

2. The heat pump dehumidification constant temperature heat exchanger according to claim 1, characterized in that: A plurality of water baffles (5) are installed between the corrugated fins (3) and the slotted fins (4); the water baffles (5) are arranged in a wavy line shape, and the distance between two adjacent water baffles (5) is smaller than the width of the water baffles (5).

3. The heat pump dehumidification constant temperature heat exchanger according to claim 1, characterized in that: The bottom of the housing (1) is also provided with a water tray (7) for receiving condensed water.

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