CN212108904U - Fresh air handling unit with bypass - Google Patents
Fresh air handling unit with bypass Download PDFInfo
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- CN212108904U CN212108904U CN202020385321.9U CN202020385321U CN212108904U CN 212108904 U CN212108904 U CN 212108904U CN 202020385321 U CN202020385321 U CN 202020385321U CN 212108904 U CN212108904 U CN 212108904U
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Abstract
The utility model relates to the field of heating ventilation air conditioning and fresh air purification, and discloses a fresh air handling unit with a bypass, which comprises an exhaust device, a fresh air device and an energy recovery device; the exhaust device includes: an exhaust air duct, a return air duct and a bypass exhaust air duct; the air exhaust duct is communicated with the air return duct through a first channel in the energy recovery device, or the air exhaust duct is communicated with the air return duct through a bypass air exhaust duct; fresh air device includes: the fresh air duct, the air supply duct and the bypass fresh air duct; the fresh air channel is communicated with the air supply channel through a second channel in the energy recovery device, or the fresh air channel is communicated with the air supply channel through a bypass fresh air channel. The utility model provides a take fresh air handling unit of bypass through setting up bypass air exhaust duct and bypass fresh air duct, can realize the problem that present fresh air handling unit stopped using in transition season, is favorable to realizing the energy-conserving effect analysis and the national region suitability of fresh air handling unit all the year, helps improving fresh air handling unit's rate of utilization and energy utilization.
Description
Technical Field
The utility model relates to a warm logical air conditioner, new trend purification field especially relate to a new trend unit of taking bypass.
Background
A fresh air handling unit is an air conditioning device that provides fresh air. The working principle is that fresh air is extracted outdoors and sent indoors through a fan after being filtered and processed by heat, cold and moisture recovery, and the original dirty air in the room is replaced when the fresh air enters the indoor space.
In the prior art, a fresh air unit with heat recovery (also called an air-air energy recovery device) takes an energy recovery core body as a core, and realizes the function of recovering exhaust air energy through ventilation, namely recovering cold in exhaust air in summer and recovering heat in exhaust air in winter, thereby meeting the requirement of fresh air volume of personnel in a room, well reducing the energy consumption of an air conditioner, improving the energy utilization rate and achieving the aim of killing two birds with one stone. The existing fresh air unit is particularly suitable for areas with large indoor and outdoor temperature difference, and has obvious energy-saving effect under the traditional summer working condition and the winter working condition.
Because the new trend unit receives external conditions's restriction, current new trend unit only can use under summer operating mode and winter operating mode, in the transition season (being spring and autumn), because the indoor outer difference in temperature is less relatively, the energy recuperation core in the current new trend unit just is difficult to play its original effect, and still can do nothing and end increase the air current resistance and the operation energy consumption of device, is difficult to normal use.
SUMMERY OF THE UTILITY MODEL
In view of above-mentioned technical defect and application demand, the embodiment of the utility model provides a take fresh air handling unit of bypass to solve the problem that present fresh air handling unit can not use in transition season, make its use not only be limited to summer operating mode and winter operating mode, improved fresh air handling unit's application range, the energy-conserving effect of the whole year of weighing fresh air handling unit that more can be fine.
In order to solve the above problem, the utility model provides a fresh air handling unit of area bypass, include: an air exhaust device, a fresh air device and an energy recovery device;
the exhaust device includes: an exhaust air duct, a return air duct and a bypass exhaust air duct; the exhaust air duct is communicated with the return air duct through a first channel in the energy recovery device, or the exhaust air duct is communicated with the return air duct through the bypass exhaust air duct;
the new trend device includes: the fresh air duct, the air supply duct and the bypass fresh air duct; the fresh air duct is communicated with the air supply duct through a second channel in the energy recovery device, or the fresh air duct is communicated with the air supply duct through the bypass fresh air duct.
Further, the exhaust device still includes: an exhaust valve and a bypass exhaust valve;
the exhaust valve is installed between the return air duct and the first channel of the energy recovery device, and the bypass exhaust valve is installed on the bypass exhaust air duct.
Further, new trend device still includes: a fresh air valve and a bypass fresh air valve;
the fresh air valve is installed between the fresh air duct and the second duct of the energy recovery device, and the bypass fresh air valve is installed on the bypass fresh air duct.
Further, the exhaust device still includes: an indoor temperature sensor; and the indoor temperature sensor is arranged at an inlet of the return air duct.
Further, new trend device still includes: an outdoor temperature sensor; the outdoor temperature sensor is installed at the inlet of the fresh air duct.
Further, the exhaust device still includes: an exhaust fan; the exhaust fan is installed at the outlet of the exhaust air duct.
Further, new trend device still includes: a blower; the air feeder is arranged at an outlet of the air feeding air duct.
Further, the fresh air handling unit with bypass further comprises: an automatic control device; the automatic control device is electrically connected with the exhaust valve, the bypass exhaust valve, the fresh air valve, the bypass fresh air valve, the indoor temperature sensor, the outdoor temperature sensor, the exhaust fan and the air feeder.
Further, the energy recovery device is an energy recovery core.
The utility model provides a take fresh air handling unit of bypass, the wind channel of airing exhaust will air exhaust wind channel and return air wind channel intercommunication through the bypass to through bypass fresh air wind channel with fresh air wind channel and air supply wind channel intercommunication, can realize the problem that present fresh air handling unit stopped using in transition season, be favorable to realizing the energy-conserving effect analysis and the national region suitability of fresh air handling unit all the year, help improving fresh air handling unit's rate of utilization and energy utilization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a fresh air handling unit with a bypass according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a fresh air handling unit provided with an automatic control device according to an embodiment of the present invention;
description of reference numerals: 1. an air exhaust duct; 2. an outdoor temperature sensor; 3. a fresh air valve; 4. a fresh air duct; 5. bypassing the fresh air valve; 7. a bypass exhaust duct; 8. a bypass exhaust valve; 9. an exhaust valve; 10. an air return duct; 11. an indoor temperature sensor; 12. an energy recovery device; 13. an air supply duct; 14. bypassing the fresh air duct; 15. an exhaust fan; 16. an air blower.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the utility model provides a take fresh air handling unit of bypass, as shown in FIG. 1, this take fresh air handling unit of bypass includes: an exhaust device, a fresh air device and an energy recovery device 12.
Wherein, exhaust device includes: an exhaust air duct 1, a return air duct 10 and a bypass exhaust air duct 7; the exhaust air duct 1 is communicated with the return air duct 10 through a first channel in the energy recovery device 12, or the exhaust air duct 1 is communicated with the return air duct 10 through a bypass exhaust air duct 7. Fresh air device includes: a fresh air duct 4, an air supply duct 13 and a bypass fresh air duct 14; the fresh air duct 4 is communicated with the air supply duct 13 through a second channel in the energy recovery device 12, or the fresh air duct 4 is communicated with the air supply duct 13 through a bypass fresh air duct 14.
Wherein, the bypass fresh air duct 14 and the bypass exhaust air duct 7 are completely isolated from the energy recovery device 12. The energy recovery device 12 may optionally use an energy recovery core.
When the working condition of the fresh air handling unit is in summer working condition and winter working condition, the exhaust air duct 1 is communicated with the return air duct through a first channel in the energy recovery device 12, meanwhile, the fresh air duct 4 is communicated with the air supply duct 13 through a second channel in the energy recovery device 12, the bypass exhaust air duct 7 and the bypass fresh air duct 14 are stopped, and fresh air and exhaust air are sent to the indoor and discharged to the outdoor after energy exchange is carried out through the energy recovery device 12.
When the working condition of the fresh air handling unit is in a transition season, the exhaust air duct 1 is communicated with the return air duct 10 through the bypass exhaust air duct 7, and the fresh air duct 4 is communicated with the air supply duct 13 through the bypass fresh air duct 14. The bypass fresh air duct 14 and the bypass exhaust air duct 7 are used to ensure that fresh air and exhaust air are sent to the indoor and exhausted to the outdoor without being exchanged by the energy recovery device 12, and the arrangement can ensure that the fresh air handling unit can be used in a transition season.
The embodiment of the utility model provides a take fresh air handling unit of bypass, the wind channel of airing exhaust will air exhaust wind channel and return air wind channel intercommunication through the bypass to through bypass fresh air wind channel with fresh air wind channel and air supply wind channel intercommunication, can realize the problem that present fresh air handling unit stopped using in transition season, be favorable to realizing the energy-conserving effect analysis and the national region suitability of fresh air handling unit all the year, help improving fresh air handling unit's rate of utilization and energy utilization.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 1, in order to adjust each air duct, the air exhausting device further includes: an exhaust valve 9 and a bypass exhaust valve 8; the exhaust valve 9 is arranged between the return air duct 10 and the first channel of the energy recovery device 12, and the bypass exhaust valve 8 is arranged on the bypass exhaust air duct 7. The first channel or bypass exhaust air channel 7 communicated with the energy recovery device 12 can be adjusted by controlling the exhaust valve 9 and the bypass exhaust valve 8.
In this embodiment, new trend device still includes: a fresh air valve 3 and a bypass fresh air valve 5; the fresh air valve 3 is arranged between the fresh air duct 4 and the second duct of the energy recovery device 12, and the bypass fresh air valve 5 is arranged on the bypass fresh air duct 14. The second channel or bypass fresh air duct 14 communicated with the energy recovery device 12 can be adjusted by controlling the fresh air valve 3 and the bypass fresh air valve 5.
When the working condition of the fresh air handling unit is in the summer working condition and the winter working condition, the bypass fresh air valve 5 and the bypass exhaust valve 8 are closed, and the bypass exhaust air duct 7 and the bypass fresh air duct 14 are stopped. The exhaust valve 9 and the fresh air valve 3 are opened, the exhaust air duct 1 is communicated with the return air duct through a first channel in the energy recovery device 12, and the fresh air duct 4 is communicated with the air supply duct 13 through a second channel in the energy recovery device 12, so that fresh air and exhaust air are subjected to energy exchange through the energy recovery device 12 and then are sent indoors and exhausted outdoors.
When the working condition of the fresh air handling unit is in a transition season, the exhaust valve 9 and the fresh air valve 3 are closed, the bypass fresh air valve 5 and the bypass exhaust valve 8 are opened, the exhaust air duct 1 is communicated with the return air duct 10 through the bypass exhaust air duct 7, and the fresh air duct 4 is communicated with the supply air duct 13 through the bypass fresh air duct 14. The bypass fresh air duct 14 and the bypass exhaust air duct 7 are used to ensure that fresh air and exhaust air are sent to the indoor and exhausted to the outdoor without being exchanged by the energy recovery device 12, and the arrangement can ensure that the fresh air handling unit can be used in a transition season.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 1 and 2, the air exhausting device further includes: an indoor temperature sensor 11; an indoor temperature sensor 11 is installed at an inlet of the return air duct 10. The real-time temperature in the room is acquired by the indoor temperature sensor 11.
In this embodiment, new trend device still includes: an outdoor temperature sensor 2; the outdoor temperature sensor 2 is arranged at the inlet of the fresh air duct 4. The real-time outdoor temperature is acquired by the outdoor temperature sensor 2.
In order to facilitate the operation of the fresh air handling unit, the exhaust device can be additionally provided with an exhaust fan 15. The exhaust fan 15 is installed at the outlet of the exhaust air duct 1. Similarly, the fresh air device can be additionally provided with a blower 16. A blower 16 is installed at an outlet of the blower duct 13.
In order to facilitate the operation of the whole fresh air handling unit, an automatic control device can be additionally arranged to control the operation of the whole fresh air handling unit. The automatic control device is electrically connected with an exhaust valve 9, a bypass exhaust valve 8, a fresh air valve 3, a bypass fresh air valve 5, an indoor temperature sensor 11, an outdoor temperature sensor 2, an exhaust fan 15 and a blower 16. The automatic control device controls other structures through the temperature acquired by the indoor temperature sensor 11 and the outdoor temperature sensor 2.
Specifically, the indoor temperature sensor 11 is used for monitoring the indoor temperature, and when the indoor temperature is within a preset temperature range, the whole fresh air handling unit can be automatically controlled to be turned on or turned off through the automatic control device. The outdoor temperature sensor 2 is used for monitoring the outdoor temperature, when the outdoor temperature sensor 2 detects that the outdoor temperature is less than 10 ℃ or more than 20 ℃, namely winter, summer or extreme weather is about to come, the outdoor temperature sensor 2 firstly transmits the signal to the automatic control device, the automatic control device stops the exhaust fan 15 and the air feeder 16, then transmits the signal to the fresh air valve 3, the bypass fresh air valve 5, the bypass exhaust valve 8 and the exhaust valve 9, so that the fresh air valve 3 and the exhaust valve 9 are opened, the bypass fresh air valve 5 and the bypass exhaust valve 8 are closed, and then the exhaust fan 15 and the air feeder 16 are opened. When the outdoor temperature sensor 2 detects that the outdoor temperature is 10-20 ℃, namely the transition season comes, the outdoor temperature sensor 2 firstly transmits the signal to the automatic control device, the automatic control device stops the exhaust fan 15 and the air feeder 16, then transmits the signal to the fresh air valve 3, the bypass fresh air valve 5, the bypass exhaust valve 8 and the exhaust valve 9, closes the fresh air valve 3 and the exhaust valve 9, opens the bypass fresh air valve 5 and the bypass exhaust valve 8, and then opens the exhaust fan 15 and the air feeder 16. The switching control of working conditions in summer and winter and transition seasons is realized through the process.
To sum up, the embodiment of the utility model provides a take fresh air handling unit of bypass, the wind channel of airing exhaust will air exhaust wind channel and return air wind channel intercommunication through the bypass to through bypass fresh air wind channel with fresh air wind channel and air supply wind channel intercommunication, can realize the problem that present fresh air handling unit stopped using in the season of passing through, be favorable to realizing the energy-conserving effect analysis and the national region suitability of fresh air handling unit all the year, help improving fresh air handling unit's rate of utilization and energy utilization.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a take fresh air handling unit of bypass which characterized in that includes:
an air exhaust device, a fresh air device and an energy recovery device;
the exhaust device includes: an exhaust air duct, a return air duct and a bypass exhaust air duct; the exhaust air duct is communicated with the return air duct through a first channel in the energy recovery device, or the exhaust air duct is communicated with the return air duct through the bypass exhaust air duct;
the new trend device includes: the fresh air duct, the air supply duct and the bypass fresh air duct; the fresh air duct is communicated with the air supply duct through a second channel in the energy recovery device, or the fresh air duct is communicated with the air supply duct through the bypass fresh air duct.
2. The fresh air handling unit with bypass according to claim 1, wherein the exhaust device further comprises: an exhaust valve and a bypass exhaust valve;
the exhaust valve is installed between the return air duct and the first channel of the energy recovery device, and the bypass exhaust valve is installed on the bypass exhaust air duct.
3. The bypass fresh air handling unit according to claim 2, wherein the fresh air device further comprises: a fresh air valve and a bypass fresh air valve;
the fresh air valve is installed between the fresh air duct and the second duct of the energy recovery device, and the bypass fresh air valve is installed on the bypass fresh air duct.
4. The fresh air handling unit with bypass according to claim 3, wherein the air exhaust device further comprises: an indoor temperature sensor; and the indoor temperature sensor is arranged at an inlet of the return air duct.
5. The bypass fresh air handling unit according to claim 4, wherein the fresh air device further comprises: an outdoor temperature sensor; the outdoor temperature sensor is installed at the inlet of the fresh air duct.
6. The fresh air handling unit with bypass according to claim 5, wherein the air exhaust device further comprises: an exhaust fan; the exhaust fan is installed at the outlet of the exhaust air duct.
7. The bypass fresh air handling unit according to claim 6, wherein the fresh air device further comprises: a blower; the air feeder is arranged at an outlet of the air feeding air duct.
8. The bypass fresh air handling unit according to claim 7, further comprising: an automatic control device; the automatic control device is electrically connected with the exhaust valve, the bypass exhaust valve, the fresh air valve, the bypass fresh air valve, the indoor temperature sensor, the outdoor temperature sensor, the exhaust fan and the air feeder.
9. The fresh air handling unit with bypass according to claim 1, wherein the energy recovery device is an energy recovery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020385321.9U CN212108904U (en) | 2020-03-24 | 2020-03-24 | Fresh air handling unit with bypass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020385321.9U CN212108904U (en) | 2020-03-24 | 2020-03-24 | Fresh air handling unit with bypass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212108904U true CN212108904U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020385321.9U Active CN212108904U (en) | 2020-03-24 | 2020-03-24 | Fresh air handling unit with bypass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212108904U (en) |
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2020
- 2020-03-24 CN CN202020385321.9U patent/CN212108904U/en active Active
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Address after: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District Patentee after: Beijing Building Materials Inspection and Research Institute Co., Ltd. Address before: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District Patentee before: BEIJING BUILDING MATERIALS TESTING ACADEMY Co.,Ltd. |