CN115682230A - Fresh air unit and air conditioning system - Google Patents
Fresh air unit and air conditioning system Download PDFInfo
- Publication number
- CN115682230A CN115682230A CN202211415512.5A CN202211415512A CN115682230A CN 115682230 A CN115682230 A CN 115682230A CN 202211415512 A CN202211415512 A CN 202211415512A CN 115682230 A CN115682230 A CN 115682230A
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- Prior art keywords
- air
- fresh air
- shell
- fresh
- outlet
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 12
- 238000011084 recovery Methods 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
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Classifications
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Ventilation (AREA)
Abstract
The invention provides a fresh air handling unit and an air conditioning system. The fresh air unit comprises a shell, and a fresh air inlet and a return air outlet are arranged on the shell; the first pressurizing structure is arranged at the return air outlet; a second plenum structure disposed at the fresh air inlet. According to the fresh air handling unit and the air conditioning system provided by the invention, the first supercharging structure and the second supercharging structure are matched, so that the kinetic energy of the air flow at the return air outlet is recovered and is used for pressurizing the air flow at the fresh air inlet, and the air inlet amount of the fresh air inlet is increased, thereby overcoming the problem that the air volume can be adjusted only by adjusting the rotating speed of the fan in the prior art, further avoiding the problem that the energy consumption of the fresh air handling unit is increased due to the increase of the rotating speed of the fan, and reducing the energy consumption of the fresh air handling unit from the two aspects of energy recovery and reduction of the energy consumption of the fan.
Description
Technical Field
The invention relates to the technical field of air treatment equipment, in particular to a fresh air handling unit and an air conditioning system.
Background
Along with people's requirement to air quality is higher and higher, new fan has been introduced to more and more occasions, new fan can take indoor carbon dioxide, the more air of particulate matter out of the room, with outdoor fresh air suction indoor, the suction of air is taken out and is all driven the fan through the motor and carry, increase the scavenging air volume can only be realized through increasing the motor rotational speed, also can't accurate judgement is suitable to be increased the scavenging air volume, it is extravagant to cause excessive ventilation and produce the unnecessary energy like this, cause the problem that the energy consumption of new fan group is high.
Disclosure of Invention
In order to solve the technical problem that the energy consumption is high due to the fact that the fresh air unit has excessive ventilation in the prior art, the fresh air unit and the air conditioning system are provided, wherein the fresh air unit and the air conditioning system are used for improving the air intake of fresh air by utilizing the energy of return air so as to reduce the energy consumption.
A fresh air handling unit comprising:
the air conditioner comprises a shell, wherein a fresh air inlet and a return air outlet are formed in the shell;
the first pressurizing structure is arranged at the return air outlet;
the second pressurization structure is arranged at the fresh air inlet;
the air flow of the return air outlet can sequentially pass through the first pressurizing structure and the second pressurizing structure to pressurize the air flow of the fresh air inlet.
And an air valve is arranged at the return air outlet, and the opening degree of the air valve is adjustable.
The fresh air handling unit further comprises a return air fan, wherein the return air fan is arranged in the shell, and the rotating speed of the return air fan is adjustable.
The fresh air handling unit further comprises an air quality detection mechanism, the air quality detection mechanism can detect the indoor air quality, and the air quality detection mechanism is electrically connected with the air valve; or the air quality detection mechanism is electrically connected with the return air fan.
The return air outlet comprises a first outlet and a second outlet, a return air channel is arranged in the shell, the return air channel is communicated with the first outlet and the second outlet, and the first pressurizing structure and the air valve are arranged in the first outlet.
The fresh air inlet comprises a first inlet and a second inlet, a fresh air channel is arranged in the shell, the fresh air channel is communicated with the first inlet and the second inlet, and the second pressurizing structure is arranged at the first inlet.
The first supercharging structure comprises a first shell and a driving turbine, the return air outlet and outdoor air are communicated with the first shell, and the driving turbine is rotatably arranged in the first shell.
The second pressure boost structure includes second shell and driven turbine, fresh air inlet and outdoor air all with the second shell intercommunication, driven turbine rotationally set up in the second shell.
The first supercharging structure comprises a driving turbine, the second supercharging structure comprises a driven turbine, and the driving turbine and the driven turbine are coaxially arranged.
An air conditioning system comprises the fresh air handling unit.
According to the fresh air handling unit and the air conditioning system provided by the invention, the first supercharging structure and the second supercharging structure are matched, so that the kinetic energy of the air flow at the return air outlet is recovered and is used for pressurizing the air flow at the fresh air inlet, and the air inlet amount of the fresh air inlet is increased, thereby overcoming the problem that the air volume can be adjusted only by adjusting the rotating speed of the fan in the prior art, further avoiding the problem that the energy consumption of the fresh air handling unit is increased due to the increase of the rotating speed of the fan, and reducing the energy consumption of the fresh air handling unit from the two aspects of energy recovery and reduction of the energy consumption of the fan.
Drawings
Fig. 1 is a schematic structural diagram of a fresh air handling unit according to an embodiment of the present invention;
in the figure:
1. a housing; 11. a fresh air inlet; 12. an air return outlet; 2. a first pressure increasing structure; 3. a second plenum structure; 4. an air valve; 5. a return air fan; 21. an active turbine; 31. a driven turbine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The fresh air handling unit shown in fig. 1 includes: the air conditioner comprises a shell 1, wherein a fresh air inlet 11 and a return air outlet 12 are arranged on the shell 1; the first pressurizing structure 2 is arranged at the return air outlet 12, and the first pressurizing structure 2 is arranged at the return air outlet 12; the second pressurizing structure 3 is arranged at the fresh air inlet 11; the airflow of the return air outlet 12 can sequentially pass through the first pressurizing structure 2 and the second pressurizing structure 3 to pressurize the airflow of the fresh air inlet 11. Utilize the cooperation of first pressure intensifying structure 2 and second pressure intensifying structure 3, retrieve the kinetic energy of the air current of return air export 12 department and be used for the pressurization to the air current of new trend entry 11, thereby increase the intake of new trend entry 11, thereby overcome the problem that only can carry out air regulation through the rotational speed of adjusting the fan among the prior art, and then avoid the fan rotational speed to increase and cause the problem that new trend unit energy consumption increases, also from energy recuperation and reduce the energy consumption of new trend unit in the two aspects of fan energy consumption.
When the fresh air unit works, outdoor gas (fresh air) can enter the shell 1 through the fresh air inlet 11, meanwhile, indoor gas (return air) can enter the shell 1 through the return air inlet on the shell 1, the fresh air and the return air exchange heat inside the shell 1, the fresh air after heat exchange is sent into the room through the fresh air outlet on the shell 1, meanwhile, the return air after heat exchange is sent to the outdoor through the return air outlet 12, wherein, the airflow of the return air outlet 12 acts on the first pressurizing structure 2, the energy of the return air airflow is recovered by the first pressurizing structure 2, then the part of energy is transmitted to the second pressurizing structure 3, the gas at the fresh air inlet 11 is pressurized by the second pressurizing structure 3, the outdoor gas is forced to enter the shell 1 through the fresh air inlet 11, and therefore the air inlet amount of the fresh air inlet 11 is increased.
An air valve 4 is arranged at the return air outlet 12, and the opening degree of the air valve 4 is adjustable. Wherein the adjustment range of the opening degree of the damper 4 is 0% to 100%. The air flow delivered to the first supercharging structure 2 is adjusted by the opening of the air valve 4, and the air inlet volume lifted by the second supercharging structure 3 is controlled, so that the air inlet volume of the fresh air handling unit is controlled.
Fresh air unit still includes air quality detection mechanism, air quality detection mechanism can detect indoor air quality, just air quality detection mechanism with 4 electricity of blast gate are connected. The indoor air quality is obtained by the air quality detection mechanism, the air quality is compared with the preset air quality parameters in the fresh air unit by the fresh air unit, the fresh air inlet quantity of the fresh air required to be provided by the fresh air unit is determined according to the comparison result, and the air quantity is adjusted by controlling the opening of the air valve 4 according to the air inlet quantity.
The fresh air handling unit further comprises a return air fan 5, the return air fan 5 is arranged in the shell 1, the rotating speed of the return air fan 5 is adjustable, and the return air fan 5 is electrically connected with the air quality detection mechanism. The return air fan 5 is capable of driving indoor air (return air) into the housing 1 and ultimately out through the return air outlet 12.
Fresh air unit still includes air quality detection mechanism, air quality detection mechanism can detect indoor air quality, just air quality detection mechanism with return air fan 5 electricity is connected. The air quality detection mechanism obtains indoor air quality, the fresh air unit compares the air quality with preset air quality parameters in the fresh air unit, then the rotating speed of the return air fan 5 is controlled according to a comparison result, and the adjustment of the air inlet quantity can also be realized.
Wherein the parameters of the air quality include but are not limited to carbon dioxide content, PM2.5 content, formaldehyde content, air humidity and other parameters.
As an embodiment, the return air outlet 12 includes a first outlet and a second outlet, a return air channel is provided in the housing 1, the return air channel is communicated with both the first outlet and the second outlet, and the first pressure boosting structure 2 and the air valve 4 are both disposed at the first outlet. Wherein the return air in the return air passageway can directly discharge to outdoor through the second export, and the return air does not pass through first pressure intensifying structure 2 this moment, guarantees that fresh air unit's return air-out is reliable, and the return air in the return air passageway also can pass through first pressure intensifying structure 2 of first export drive simultaneously to drive the fresh air intake of 3 drive fresh air entering of second pressure intensifying structure, increase fresh air unit. Meanwhile, the air valve 4 can adjust the flow area of the first outlet, so that the energy recovery amount of the first pressurizing structure 2 is adjusted, and the aim of adjusting the fresh air inlet amount is fulfilled.
Similarly, the fresh air inlet 11 comprises a first inlet and a second inlet, a fresh air channel is arranged in the casing 1, the fresh air channel is communicated with the first inlet and the second inlet, and the second pressurizing structure 3 is arranged at the first inlet. Outdoor gas (fresh air) can directly enter the fresh air channel through the second inlet, so that the fresh air inlet volume of the fresh air unit is ensured, and meanwhile, the outdoor gas (fresh air) can also enter the fresh air channel through the first inlet under the pressurization effect of the second pressurization structure 3, so that the aim of increasing the air inlet volume is fulfilled.
Specifically, the first supercharging structure 2 comprises a first housing and a driving turbine 21, the return air outlet 12 and the outdoor air are both communicated with the first housing, and the driving turbine 21 is rotatably arranged in the first housing. The air from the return air outlet 12 can enter the first housing and drive the active turbine 21 to rotate, thereby recovering the energy of the return air.
The second supercharging structure 3 comprises a second shell and a driven turbine 31, the fresh air inlet 11 and the outdoor air are communicated with the second shell, and the driven turbine 31 is rotatably arranged in the second shell. The energy recovered by the driving turbine 21 can drive the driven turbine 31 to rotate, so that outdoor air is forced to enter through the fresh air inlet 11, and the purpose of increasing the air inlet amount is achieved.
Optionally, the first supercharging structure 2 comprises a driving turbine 21, the second supercharging structure 3 comprises a driven turbine 31, and the driving turbine 21 and the driven turbine 31 are coaxially arranged. When the driving turbine 21 rotates, the driven turbine 31 may also rotate in synchronization.
An air conditioning system comprises the fresh air handling unit.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A fresh air handling unit is characterized in that: the method comprises the following steps:
the air conditioner comprises a shell (1), wherein a fresh air inlet (11) and a return air outlet (12) are formed in the shell (1);
the first supercharging structure (2), the first supercharging structure (2) is arranged at the return air outlet (12);
the second pressurization structure (3), the second pressurization structure (3) is arranged at the fresh air inlet (11);
the air flow of the return air outlet (12) can sequentially pass through the first pressurizing structure (2) and the second pressurizing structure (3) to pressurize the air flow of the fresh air inlet (11).
2. The fresh air handling unit according to claim 1, wherein: an air valve (4) is arranged at the return air outlet (12), and the opening degree of the air valve (4) is adjustable.
3. The fresh air handling unit of claim 1, wherein: the fresh air handling unit further comprises a return air fan (5), wherein the return air fan (5) is arranged in the shell (1), and the rotating speed of the return air fan (5) is adjustable.
4. The fresh air handling unit of claim 2 or 3, wherein: the fresh air handling unit further comprises an air quality detection mechanism, the air quality detection mechanism can detect the indoor air quality, and the air quality detection mechanism is electrically connected with the air valve (4); or the air quality detection mechanism is electrically connected with the return air fan (5).
5. The fresh air handling unit of claim 2, wherein: the return air outlet (12) comprises a first outlet and a second outlet, a return air channel is arranged in the shell (1), the return air channel is communicated with the first outlet and the second outlet, and the first pressurizing structure (2) and the air valve (4) are arranged at the first outlet.
6. The fresh air handling unit of claim 1, wherein: the fresh air inlet (11) comprises a first inlet and a second inlet, a fresh air channel is arranged in the shell (1), the fresh air channel is communicated with the first inlet and the second inlet, and the second pressurizing structure (3) is arranged at the first inlet.
7. The fresh air handling unit of claim 1, wherein: the first supercharging structure (2) comprises a first shell and a driving turbine (21), the return air outlet (12) and outdoor air are communicated with the first shell, and the driving turbine (21) is rotatably arranged in the first shell.
8. The fresh air handling unit according to claim 1, wherein: the second supercharging structure (3) comprises a second shell and a driven turbine (31), the fresh air inlet (11) and the outdoor air are communicated with the second shell, and the driven turbine (31) is rotatably arranged in the second shell.
9. The fresh air handling unit according to claim 1, wherein: the first supercharging structure (2) comprises a driving turbine (21), the second supercharging structure (3) comprises a driven turbine (31), and the driving turbine (21) and the driven turbine (31) are coaxially arranged.
10. An air conditioning system characterized by: comprising the fresh air handling unit of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211415512.5A CN115682230A (en) | 2022-11-11 | 2022-11-11 | Fresh air unit and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211415512.5A CN115682230A (en) | 2022-11-11 | 2022-11-11 | Fresh air unit and air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115682230A true CN115682230A (en) | 2023-02-03 |
Family
ID=85052183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211415512.5A Pending CN115682230A (en) | 2022-11-11 | 2022-11-11 | Fresh air unit and air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115682230A (en) |
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| CN110762693A (en) * | 2019-08-20 | 2020-02-07 | 湖南童年的空气科技有限公司 | Multifunctional bidirectional flow fresh air fan |
| CN111031753A (en) * | 2019-12-12 | 2020-04-17 | 优刻得科技股份有限公司 | Fresh air unit and air conditioning system |
| CN112066534A (en) * | 2019-06-11 | 2020-12-11 | 江苏洁能缘环境科技有限公司 | Rotating wheel type energy recovery unit |
| CN112275394A (en) * | 2019-09-19 | 2021-01-29 | 浙江芸洁科技有限公司 | Simple circulating mill provided with kinetic energy recovery device |
| CN112727526A (en) * | 2020-12-30 | 2021-04-30 | 王晓勇 | Mine air return inlet supercharging equipment and use method thereof |
| US20220057089A1 (en) * | 2019-09-27 | 2022-02-24 | Midea Welling Motor Technology (Shanghai) Co., Ltd. | Outdoor unit for air conditioner, and air conditioner |
| CN115095946A (en) * | 2022-06-21 | 2022-09-23 | 珠海格力电器股份有限公司 | Fresh air device and control method thereof |
| CN115218317A (en) * | 2021-04-18 | 2022-10-21 | 大金工业株式会社 | Air treatment equipment |
-
2022
- 2022-11-11 CN CN202211415512.5A patent/CN115682230A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4004519A1 (en) * | 1989-02-17 | 1990-08-30 | Rox Lufttechnische Geraetebau | Combined ventilation and air conditioning system - allows mixing of extracted air with pre-conditioned external air |
| JPH09137965A (en) * | 1995-11-16 | 1997-05-27 | Matsushita Seiko Co Ltd | Underfloor air conditioning system |
| CN2911233Y (en) * | 2006-01-13 | 2007-06-13 | 程利 | Wind power generator utlizing power exhausting fan |
| CN101380482A (en) * | 2008-10-14 | 2009-03-11 | 浙江佳为环境科技有限公司 | Fresh air purifier |
| CN105508031A (en) * | 2016-01-03 | 2016-04-20 | 李陶胜 | Blade-type automobile exhaust turbocharger |
| CN206368772U (en) * | 2016-10-11 | 2017-08-01 | 崨豹科技股份有限公司 | With reference to the wind power generation plant of ventilating fan |
| CN206113211U (en) * | 2016-10-18 | 2017-04-19 | 上海赛菲环境科技股份有限公司 | Vertical new fan |
| CN206291315U (en) * | 2016-11-17 | 2017-06-30 | 申东峰 | A kind of wall-mounted fresh-air purifying equipment |
| CN206618031U (en) * | 2017-03-29 | 2017-11-07 | 王妮 | A kind of novel air conditioning system with VMC |
| CN207247456U (en) * | 2017-06-23 | 2018-04-17 | 新疆维吾尔自治区人民医院 | A kind of ward air cleaner |
| CN112066534A (en) * | 2019-06-11 | 2020-12-11 | 江苏洁能缘环境科技有限公司 | Rotating wheel type energy recovery unit |
| CN110762693A (en) * | 2019-08-20 | 2020-02-07 | 湖南童年的空气科技有限公司 | Multifunctional bidirectional flow fresh air fan |
| CN112275394A (en) * | 2019-09-19 | 2021-01-29 | 浙江芸洁科技有限公司 | Simple circulating mill provided with kinetic energy recovery device |
| US20220057089A1 (en) * | 2019-09-27 | 2022-02-24 | Midea Welling Motor Technology (Shanghai) Co., Ltd. | Outdoor unit for air conditioner, and air conditioner |
| CN110608500A (en) * | 2019-10-18 | 2019-12-24 | 珠海格力电器股份有限公司 | Adjustable fresh air machine and control method thereof |
| CN111031753A (en) * | 2019-12-12 | 2020-04-17 | 优刻得科技股份有限公司 | Fresh air unit and air conditioning system |
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