Vertical double-cold-source fresh air dehumidifier

By installing a bypass port and bypass valve in the vertical dual-source fresh air dehumidifier, the problem of long exhaust path is solved, resulting in higher exhaust efficiency and extended service life of the heat exchange core.

CN223580086UActive Publication Date: 2025-11-21ZHEJIANG NAILAN NEW ENERGY CO LTD
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Patent Information

Application Number
CN202422653975.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-11-21
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The existing vertical dual-cold-source fresh air dehumidifiers have a long exhaust path, resulting in low exhaust efficiency and a shortened lifespan of the heat exchange core.

Method used

A bypass port and a bypass valve are installed between the return air duct and the exhaust air duct to allow some air to enter the exhaust air duct directly, avoiding the need to pass through the exchange core and shortening the exhaust air path.

Benefits of technology

It improves ventilation efficiency, reduces the number of times the exchange core is used, and extends the service life of the exchange core.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223580086U_ABST
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Abstract

The utility model discloses a vertical type double-cold-source fresh air dehumidifier which comprises a machine shell, an indoor air return opening and an outdoor air exhaust opening are formed in the machine shell, an air return channel and an air exhaust channel are arranged in the machine shell, an exchange core is arranged between the air return channel and the air exhaust channel, the indoor air return opening is communicated with the air return channel, and the outdoor air exhaust opening is communicated with the air exhaust channel. The air return channel and the air exhaust channel are arranged adjacently, a bypass opening is formed in a first connecting wall between the air return channel and the air exhaust channel, a bypass valve is arranged at the bypass opening, and the bypass valve can control the bypass opening to be opened or closed. According to the vertical type double-cold-source fresh air dehumidifier, the air exhaust time can be shortened, the air exhaust efficiency can be improved, the use frequency of the exchange core can be reduced, and the service life of the exchange core can be guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to stationery and teaching supplies technical field, more exactly, relate to a vertical double cold source fresh air dehumidifier. BACKGROUND

[0002] With the improvement of people's requirements for indoor air quality, and the continuous development of domestic real estate and decoration market, the market demand of fresh air dehumidifier is growing. Domestic enterprises continue to invest in the research and development of fresh air dehumidifier, and launch new products with high efficiency, energy saving, intelligent control and other characteristics. For example, double cold source fresh air dehumidifier improves the dehumidification efficiency through double cold source technology, while reducing energy consumption.

[0003] The vertical double cold source fresh air dehumidifier is a device for adjusting indoor air humidity and temperature. It combines the functions of fresh air system and dehumidifier, and can provide fresh air while dehumidifying the air. The vertical double cold source fresh air dehumidifier includes a casing, a compressor, a surface cooler, an evaporator and a condenser. The working principle is that outdoor fresh air first enters the device through the fresh air inlet, and is filtered by the primary filter and the high efficiency filter. The filtered fresh air enters the surface cooler for preliminary cooling and dehumidification. Then, the fresh air enters the evaporator and condenser components, and is further cooled and dehumidified by the refrigerant. During the dehumidification process, the air temperature entering the indoor can be controlled by adjusting the operating state of the refrigerant compressor.

[0004] The casing of the prior art vertical double cold source fresh air dehumidifier is provided with an indoor return air inlet and an outdoor exhaust air outlet, and the casing is provided with a return air passage and an exhaust air passage, and an exchange core is arranged between the return air passage and the exhaust air passage. When the machine is running, the indoor return air inlet enters the indoor air, which enters the return air passage after passing through the exchange core, and then is discharged from the outdoor exhaust air outlet. The prior art vertical double cold source fresh air dehumidifier enters the air from the indoor return air inlet, which is discharged from the outdoor exhaust air outlet after passing through the exchange core. The exhaust air path is long, the exhaust air efficiency is low, and the use frequency of the exchange core is also increased, which reduces the service life of the exchange core. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem, provides a vertical double cold source fresh air dehumidifier, which can shorten the exhaust time, improve the exhaust efficiency, reduce the use frequency of the exchange core, and ensure the service life of the exchange core.

[0006] The technical solution of the vertical double cold source fresh air dehumidifier is provided, which has the following structure, comprising a shell, an indoor return air inlet and an outdoor exhaust air outlet are arranged on the shell, a return air passage and an exhaust air passage are arranged in the shell, an exchange core is arranged between the return air passage and the exhaust air passage, the indoor return air inlet is communicated with the return air passage, the outdoor exhaust air outlet is communicated with the exhaust air passage, the return air passage and the exhaust air passage are arranged adjacently, a bypass opening is arranged on a first connecting wall between the return air passage and the exhaust air passage, a bypass valve is arranged at the bypass opening, and the bypass valve can control the opening or closing of the bypass opening.

[0007] Compared with the prior art, the vertical double cold source fresh air dehumidifier has the following advantages:

[0008] The first connecting wall between the return air passage and the exhaust air passage of the vertical double cold source fresh air dehumidifier is provided with a bypass opening, a bypass valve is arranged at the bypass opening, when the bypass opening is opened, most of the air in the return air passage can pass through the bypass opening and directly enter the exhaust air passage, most of the air does not pass through the exchange core, the path of the exhaust air is shortened, the exhaust air efficiency is improved, the use frequency of the exchange core is reduced, and the service life of the exchange core is ensured.

[0009] As an improvement, the bypass valve comprises a valve body, a valve core and a driver, the valve body is mounted on the first connecting wall and covers the bypass opening, the valve core is movably mounted on the valve body, and the driver is used for driving the valve core to open or close the valve. After adopting this structure, the bypass valve has a simple structure, and assembly and control are relatively convenient.

[0010] As an improvement, the valve body is mounted in the return air passage, and one end of the valve body is fixedly connected to the first connecting wall. After adopting this structure, the space in the return air passage is relatively large, and the installation is relatively appropriate.

[0011] As an improvement, the middle part of the shell is provided with an exchange cavity, the exchange core is arranged in the exchange cavity, the return air passage and the exchange cavity are communicated with each other, a return air connecting passage is arranged in the shell and located on the lower side of the exchange cavity, the return air connecting passage is connected between the exchange cavity and the exhaust air passage, and the air in the return air passage can enter the exhaust air passage after passing through the exchange cavity, the exchange core and the return air connecting passage. After adopting this structure, the structure is simple, and assembly is convenient.

[0012] As an improvement, the return air passage and the exhaust air passage are arranged on the upper side of the exchange cavity, and the indoor return air inlet and the outdoor exhaust air outlet are arranged on the top wall of the shell. After adopting this structure, the structure is compact, and the shell occupies a small area.

[0013] As improvement, the upper of the casing is provided with outdoor air inlet and indoor air outlet; the casing is provided with air inlet channel and air outlet channel, the outdoor air inlet and indoor air outlet are communicated with the air inlet channel and air outlet channel respectively; the air inlet channel is communicated with the exchange cavity, the lower side of the casing and the lower side of the exchange cavity is provided with air inlet connecting channel, the air inlet connecting channel is connected between the exchange cavity and the air outlet channel; the air of the air inlet channel can enter the air outlet channel after passing through the exchange cavity, exchange core and air inlet connecting channel. After adopting this structure, the structure is simple.

[0014] As improvement, the air inlet channel and air outlet channel are provided on the upper side of the exchange cavity; the outdoor air inlet and indoor air outlet are provided on the top wall of the casing. After adopting this structure, the structure is compact, and the area occupied by the casing is small. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure schematic view of the vertical double cold source fresh air dehumidifier of the utility model.

[0016] Fig. 2 It is a structure schematic view of the vertical double cold source fresh air dehumidifier of the utility model.

[0017] Fig. 3 It is a structure schematic view of the vertical double cold source fresh air dehumidifier of the utility model.

[0018] As shown in the figure: 1, casing, 101, exchange cavity, 102, bypass port, 2, exchange core, 3, outdoor air outlet, 4, indoor air outlet, 5, outdoor air inlet, 6, indoor air outlet, 7, air outlet channel, 8, return air channel, 9, air inlet channel, 10, air outlet channel, 11, bypass valve. DETAILED DESCRIPTION

[0019] In order to better understand the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed description is only a description of exemplary embodiments of the present application, and does not limit the scope of the present application in any way. Throughout the specification, the same reference numbers refer to the same elements.

[0020] In the drawings, the thickness, size and shape of the objects have been slightly exaggerated for ease of illustration. The drawings are only examples and are not strictly drawn to scale.

[0021] It should also be understood that the words "comprise", "have", "include" and "contain", when used in this specification, specify the presence of the stated features, integers, steps, operations, elements, and / or components but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0022] As shown in Figs. 1 to 3 The specific embodiment discloses a vertical double-cold-source fresh air dehumidifier, which comprises a shell 1.

[0023] The middle part of the shell 1 is provided with an exchange cavity 101, the exchange cavity 101 is provided with an exchange core 2, the exchange core 2 is fixed in the middle part of the exchange cavity 101, and a space is left between the exchange core 2 and the inner wall of the exchange cavity 101, which is helpful for the circulation of air.

[0024] The top wall of the shell 1 is sequentially provided with an outdoor exhaust air outlet 3, an indoor return air outlet 4, an outdoor air inlet 5 and an indoor air outlet 6 in a clockwise direction. The shell 1 is sequentially provided with an exhaust air passage 7, a return air passage 8, an air inlet passage 9 and an air outlet passage 10 in a clockwise direction, and the outdoor exhaust air outlet 3, the indoor return air outlet 4, the outdoor air inlet 5 and the indoor air outlet 6 are in one-to-one correspondence with the exhaust air passage 7, the return air passage 8, the air inlet passage 9 and the air outlet passage 10 and are in communication with each other. After the structure is adopted, the outer contour of the cross section of the shell 1 is basically quadrangular, the structure is very compact, and the occupied area is small.

[0025] The exhaust air passage 7, the return air passage 8, the air inlet passage 9 and the air outlet passage 10 are all located on the upper side of the exchange cavity 101. The return air passage 8 is in communication with the exchange cavity 101, the shell 1 is provided with a return air connecting passage on the lower side of the exchange cavity 101, the return air connecting passage is connected between the exchange cavity 101 and the exhaust air passage 7, and the air of the return air passage 8 can enter the exhaust air passage 7 after passing through the exchange cavity 101, the exchange core 2 and the return air connecting passage. The air inlet passage 9 is in communication with the exchange cavity 101, the shell 1 is provided with an air inlet connecting passage on the lower side of the exchange cavity 101, the air inlet connecting passage is connected between the exchange cavity 101 and the air outlet passage 10, and the air of the air inlet passage 9 can enter the air outlet passage 10 after passing through the exchange cavity 101, the exchange core 2 and the air inlet connecting passage.

[0026] The return air passage 8 and the exhaust air passage 7 are adjacently arranged, a bypass port 102 is arranged on a first connecting wall between the return air passage 8 and the exhaust air passage 7, a bypass valve 11 is arranged at the bypass port 102, and the bypass valve 11 can control the bypass port 102 to open or close. The bypass valve 11 comprises a valve body, a valve core and a driver, the valve body is mounted on the first connecting wall and seals the bypass port 102, and the valve body is mounted in the return air passage 8, one end of the valve body is fixedly connected to a side wall of the first connecting wall through a screw. The valve core is movably mounted on the valve body, and the driver is used for driving the valve core to move to open or close the valve. The bypass valve 11 can be purchased on the market, and the specific structure will not be described again.

[0027] During the operation of the vertical dual-cold-source fresh air dehumidifier disclosed in the specific application, the bypass valve 11 is opened, the indoor return air of the air inlet 4 enters the return air passage 8, most of the air enters the exhaust air passage 7 through the bypass valve 11, a small part of the air enters the return air connecting passage and then enters the exhaust air passage 7, and the air in the exhaust air passage 7 is discharged from the outdoor air outlet 3.

[0028] The above is only a preferred embodiment of the application, and is not used to limit the application, and any modification, equivalent replacement and improvement within the principle and spirit of the application are included in the protection scope of the application.

Claims

1. A vertical dual cold source fresh air dehumidifier, comprising a casing, wherein an indoor return air inlet and an outdoor exhaust air outlet are arranged on the casing, a return air passage and an exhaust air passage are arranged in the casing, an exchange core is arranged between the return air passage and the exhaust air passage, the indoor return air inlet is communicated with the return air passage, and the outdoor exhaust air outlet is communicated with the exhaust air passage, characterized in that: The return air passage and the exhaust air passage are adjacent, a bypass opening is arranged on a first connecting wall between the return air passage and the exhaust air passage, a bypass valve is arranged at the bypass opening, and the bypass valve can control the bypass opening to open or close. ​ 2. The vertical dual cold source fresh air dehumidifier of claim 1, wherein: The bypass valve comprises a valve body, a valve core and a driver, the valve body is installed on the first connecting wall and seals the bypass opening, the valve core is movably installed on the valve body, and the driver is used to drive the valve core to move to open or close the valve.

3. The vertical dual cold source fresh air dehumidifier of claim 2, wherein: The valve body is installed in the return air passage, and one end of the valve body is fixedly connected to the first connecting wall.

4. The vertical dual cold source fresh air dehumidifier of claim 1, wherein: The middle part of the cabinet is provided with an exchange cavity, the exchange core is arranged in the exchange cavity, the return air passage and the exchange cavity are in communication, a return air connecting passage is arranged in the cabinet below the exchange cavity, the return air connecting passage is connected between the exchange cavity and the exhaust air passage, and air in the return air passage can enter the exhaust air passage after passing through the exchange cavity, the exchange core and the return air connecting passage.

5. The vertical dual cold source fresh air dehumidifier of claim 4, wherein: The return air passage and the exhaust air passage are arranged on the upper side of the exchange cavity, and the indoor return air outlet and the outdoor exhaust air outlet are arranged on the top wall of the cabinet.

6. The vertical dual cold source fresh air dehumidifier of claim 4, wherein: The cabinet is provided with an outdoor air inlet and an indoor air outlet, the cabinet is provided with an air inlet passage and an air outlet passage, the outdoor air inlet and the indoor air outlet are in communication with the air inlet passage and the air outlet passage respectively, the air inlet passage is in communication with the exchange cavity, an air inlet connecting passage is arranged in the cabinet below the exchange cavity, the air inlet connecting passage is connected between the exchange cavity and the air outlet passage, and air in the air inlet passage can enter the air outlet passage after passing through the exchange cavity, the exchange core and the air inlet connecting passage.

7. The vertical dual cold-source fresh air dehumidifier of claim 6, wherein: The air inlet passage and the air outlet passage are arranged on the upper side of the exchange cavity, and the outdoor air inlet and the indoor air outlet are arranged on the top wall of the cabinet.