CN213395729U - Fresh air unit mixes frostproofing device of wind - Google Patents
Fresh air unit mixes frostproofing device of wind Download PDFInfo
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- CN213395729U CN213395729U CN202022478241.0U CN202022478241U CN213395729U CN 213395729 U CN213395729 U CN 213395729U CN 202022478241 U CN202022478241 U CN 202022478241U CN 213395729 U CN213395729 U CN 213395729U
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- fresh air
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- indoor return
- heat recovery
- antifreezing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
本实用新型公开了一种新风机组混风防冻的装置，包括新风风道，在所述新风风道内依次设有过滤段、热回收防冻段、表冷/加热段、加湿段、风机段，所述热回收防冻段一侧设有室内回风入口，另一侧设有室内回风出口，在热回收防冻段内设有热交换芯，所述新风风道的始端开有新风入口，末端开有新风出口，所述新风入口、新风出口的中心连线与室内回风入口、室内回风出口的中心连线相互垂直。本装置结构简单、清洗和更换热交换芯方便，通过室内回风提高新风机组的进风温度，达到防止冻结目的，有效解决新风系统在北方寒冷地区的使用限制。
The utility model discloses an antifreeze device for mixing air of a fresh air unit, comprising a fresh air duct, wherein a filter section, a heat recovery antifreeze section, a surface cooling/heating section, a humidification section and a fan section are sequentially arranged in the fresh air duct. One side of the heat recovery and antifreeze section is provided with an indoor return air inlet, the other side is provided with an indoor return air outlet, and a heat exchange core is arranged in the heat recovery and antifreeze section. There is a fresh air outlet, and the central connection line of the fresh air inlet and the fresh air outlet is perpendicular to the central connection line of the indoor return air inlet and the indoor return air outlet. The device has a simple structure, is convenient to clean and replace the heat exchange core, increases the inlet air temperature of the fresh air unit through the indoor return air, achieves the purpose of preventing freezing, and effectively solves the use limitation of the fresh air system in the northern cold area.
Description
Technical Field
The utility model relates to a fresh air handling unit technical field, concretely relates to fresh air handling unit mixes frostproofing device of wind.
Background
With the development of social economy, the environmental requirements of people on life and work are higher and higher, especially the freshness of indoor air; in order to improve the quality of the indoor air environment, the best mode is to send the outdoor fresh air to the indoor after being processed, so that the indoor has sufficient fresh air; outdoor temperature is higher in summer, and indoor ventilation can be through opening window or fresh air handling unit send into the problem that can solve indoor new trend with the new trend indoor.
The existing fresh air handling unit is always provided with a heat recovery device, so that the cold and heat energy recovery effect of cold and hot air is realized, and the energy-saving effect is achieved. However, when the fresh air system runs in winter in northern cold areas, because the temperature of outdoor fresh air is lower than zero, cold air directly contacts with the heat exchange coil, and the heat exchange coil has the problem of frost cracking, so that the use of the fresh air system in northern cold areas is limited.
SUMMERY OF THE UTILITY MODEL
For solving prior art and having above-mentioned problem, this application provides a fresh air handling unit mixes frostproofing device of wind, and it improves fresh air handling unit's air inlet temperature through indoor return air, reaches and prevents freezing purpose, the energy saving.
In order to achieve the purpose, the technical scheme of the application is as follows: the fresh air unit air mixing and freezing prevention device comprises a fresh air duct, wherein a filtering section, a heat recovery freezing prevention section, a surface cooling/heating section, a humidifying section and a fan section are sequentially arranged in the fresh air duct, one side of the heat recovery freezing prevention section is provided with an indoor return air inlet, the other side of the heat recovery freezing prevention section is provided with an indoor return air outlet, a heat exchange core is arranged in the heat recovery freezing prevention section, a fresh air inlet is arranged at the starting end of the fresh air duct, a fresh air outlet is arranged at the tail end of the fresh air duct, and a central connecting line of the fresh air inlet and the fresh air outlet is mutually perpendicular to a central connecting line of the.
Furthermore, the indoor return air inlet is connected with the total heat exchanger, and the indoor return air outlet is led out to the outside through the exhaust pipe.
Furthermore, a cleaning and replacing door is arranged on the shell of the heat recovery anti-freezing section.
Furthermore, an air filter is arranged in the filtering section and is positioned at the head part of the fresh air duct.
Furthermore, a surface cooling/heating coil is arranged in the surface cooling/heating section, one side of the surface cooling/heating coil is connected with a cold water inlet pipe and a cold water outlet pipe, and the other side of the surface cooling/heating coil is connected with a hot water inlet pipe and a hot water outlet pipe.
Furthermore, a plurality of humidifiers are arranged in the humidifying section.
Furthermore, the fan section is provided with an air supply fan, and the air supply fan is positioned at the tail part of the fresh air duct.
The utility model discloses owing to adopt above technical scheme, can gain following technological effect: the device has simple structure and convenient cleaning and replacement of the heat exchange core, improves the air inlet temperature of the fresh air handling unit through indoor return air, achieves the aim of preventing freezing, and effectively solves the use limit of a fresh air system in northern cold areas; by utilizing the principle that indoor return air is combined with a total heat exchanger, the indoor return air and the outdoor fresh air independent air channel carry out heat exchange, the heat recovery efficiency can be ensured to the maximum extent, and the energy-saving effect is achieved.
Drawings
FIG. 1 is a schematic structural view of a device for mixing air and preventing freezing for a fresh air handling unit;
FIG. 2 is a schematic diagram of a heat recovery freeze protection section.
The sequence numbers in the figures illustrate: 1. a filtration section; 2. a heat recovery anti-freezing section; 3. an indoor return air inlet; 4. surface cooling/heating coils; 5. a humidification stage; 6. a fan section; 7. an air supply fan; 8. a humidifier; 9. a surface cooling/heating section; 10. an indoor return air outlet; 11. an air filter; 12. a fresh air inlet; 13. a fresh air outlet; 14. and a heat exchange core.
Detailed Description
The embodiment of the present invention is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are provided, but the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1-2, the present embodiment provides a device for mixing air and preventing freezing for a fresh air handling unit, which includes a fresh air duct, a filtering section, a heat recovery anti-freezing section, a surface cooling/heating section, a humidifying section and a fan section are sequentially arranged in the fresh air duct, one side of the heat recovery anti-freezing section is provided with an indoor return air inlet, the other side is provided with an indoor return air outlet, a heat exchange core is arranged in the heat recovery anti-freezing section, a fresh air inlet is arranged at the initial end of the fresh air duct, a fresh air outlet is arranged at the tail end of the fresh air duct, the central connecting line of the fresh air inlet and the fresh air outlet is mutually vertical to the central connecting line of the indoor return air inlet and the indoor return air outlet, namely, the vertical junction of the fresh air duct and the traditional return air duct is a heat recovery anti-freezing section, so that the fresh air and the return air directly exchange heat in the heat recovery anti-freezing section, the heat recovery efficiency can be ensured to the maximum extent, and the energy-saving effect is achieved; the indoor return air inlet is connected with the total heat exchanger, and the indoor return air outlet is led out to the outside through the exhaust pipe.
In order to clean and replace the heat exchange core conveniently, a cleaning and replacing door is arranged on the shell of the heat recovery anti-freezing section.
An air filter is arranged in the filtering section and is positioned at the head part of the fresh air duct. The surface cooling/heating section is internally provided with a surface cooling/heating coil, one side of the surface cooling/heating coil is connected with a cold water inlet pipe and a cold water outlet pipe, and the other side of the surface cooling/heating coil is connected with a hot water inlet pipe and a hot water outlet pipe. A plurality of humidifiers are arranged in the humidifying section. The fan section is provided with an air supply fan, and the air supply fan is positioned at the tail part of the fresh air duct.
The above, only for the utility model discloses create the concrete implementation way of preferred, nevertheless the utility model discloses the protection scope of creation is not limited to this, and any person skilled in this technical field is in the utility model discloses create the technical scope of disclosure, according to the utility model discloses the technical scheme of creation and utility model design equivalence replacement or change all should be covered in the protection scope of creation of the utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022478241.0U CN213395729U (en) | 2020-10-30 | 2020-10-30 | Fresh air unit mixes frostproofing device of wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022478241.0U CN213395729U (en) | 2020-10-30 | 2020-10-30 | Fresh air unit mixes frostproofing device of wind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213395729U true CN213395729U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022478241.0U Active CN213395729U (en) | 2020-10-30 | 2020-10-30 | Fresh air unit mixes frostproofing device of wind |
Country Status (1)
| Country | Link |
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| CN (1) | CN213395729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812237A (en) * | 2022-05-11 | 2022-07-29 | 北京中矿赛力贝特节能科技有限公司 | Heat pipe anti-freezing type air heating unit |
-
2020
- 2020-10-30 CN CN202022478241.0U patent/CN213395729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812237A (en) * | 2022-05-11 | 2022-07-29 | 北京中矿赛力贝特节能科技有限公司 | Heat pipe anti-freezing type air heating unit |
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