CN215983028U - Fresh air system - Google Patents
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- CN215983028U CN215983028U CN202122620393.4U CN202122620393U CN215983028U CN 215983028 U CN215983028 U CN 215983028U CN 202122620393 U CN202122620393 U CN 202122620393U CN 215983028 U CN215983028 U CN 215983028U
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Abstract
The utility model provides a fresh air system which comprises a first fan, a detection unit, a temperature adjusting unit and a second fan, and further comprises a primary filtering unit and a cold cleaning unit, wherein the primary filtering unit is arranged in front of the detection unit, the cold cleaning unit is arranged behind the detection unit, and the cold cleaning unit is used for adjusting the purity, the humidity and the temperature of fresh air according to the detection result of the detection unit. According to the fresh air system provided by the utility model, diversified intelligent processing such as purification, humidification or temperature regulation and the like can be realized on fresh air through the arrangement of the cold cleaning unit, the fresh air system is suitable for a heating mode and a refrigerating mode, and the fresh air can be cooled, secondarily filtered and humidified simultaneously through the cold cleaning unit, so that the temperature, the humidity and the purity of the fresh air can meet ideal conditions, the fresh air system is more suitable for user requirements, and the user experience is improved.
Description
Technical Field
The utility model relates to the technical field of air conditioning, in particular to a fresh air system.
Background
Indoor tightly closed door and window opened at the air conditioner, it is long-time with outdoor no air flow, can make the indoor air quality worsen, increase along with indoor personnel, carbon dioxide concentration risees, people can appear cold and hot sensation in turn, arouse dizziness when serious, common "air conditioner disease" such as nausea, indoor harmful substance sharply increases in the environment that air quality is poor simultaneously, have certain harm to people's health, for solving this problem, existing scheme is through using new trend device or new trend system, it is indoor that the outdoor fresh air of extraction introduces. However, if outdoor fresh air is directly introduced into the room without being processed, the fluctuation of the indoor temperature may be large, and the cooling/heating effect may be affected.
A patent with publication number CN110230863A in the prior art discloses a fresh air control method and a fresh air device, which comprises a first temperature sensor, an air inlet pipe, an air inlet fan, a temperature adjusting device and a controller; the first temperature sensor is arranged at one end of the air inlet pipe and is used for detecting the temperature of the external environment where the air inlet pipe is located; the air inlet fan is arranged in the air inlet pipe and used for guiding airflow to enter the air inlet pipe; the temperature adjusting device is arranged in the air inlet pipe and used for heating or refrigerating air flow in the air inlet pipe and sending a temperature adjusting instruction for controlling the temperature adjusting device of the fresh air device to be opened according to the external environment temperature data and the preset value. This prior art though can heat the regulation to the outdoor new trend of introducing, but only be applicable to and introduce the new trend under the mode of heating, can not control the air quality and the humidity of outdoor new trend, can not reduce the new trend temperature under the refrigeration mode, if attached to dust or insect and insert etc. in the new trend, also can not detect, lead to user experience poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a fresh air system to solve the problems that the fresh air system in the prior art is not suitable for the refrigeration mode and cannot control the air quality and humidity.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a new trend system, includes first fan, detecting element, temperature regulation unit and second fan, new trend system still includes one-level filter unit and cold clean unit, one-level filter unit sets up before the detecting element, cold clean unit sets up behind the detecting element, cold clean unit is used for the basis detecting element's testing result adjusts the purity, humidity and the temperature of new trend. According to the fresh air system provided by the utility model, diversified intelligent processing such as purification, humidification or temperature regulation and the like can be realized on fresh air through the arrangement of the cold cleaning unit, the fresh air system is suitable for a heating mode and a refrigerating mode, and the fresh air can be cooled, secondarily filtered and humidified simultaneously through the cold cleaning unit, so that the temperature, the humidity and the purity of the fresh air can meet ideal conditions, the fresh air system is more suitable for user requirements, and the user experience is improved.
Further, the cold and clean unit comprises a filter assembly, a cold and clean medium and a U-shaped groove, the filter assembly and the cold and clean medium are located inside the U-shaped groove, and the cold and clean medium is wrapped outside the filter assembly. The filter assembly is used for carrying out secondary filtration to the new trend, and cold clean medium is used for carrying out the cooling regulation to the new trend and handles.
Further, the filter assembly comprises a funnel and a U-shaped pipe, and the funnel is connected to one end of the U-shaped pipe. Fresh air enters the U-shaped groove from one side of the funnel and is discharged to the outside of the cold cleaning unit from one side far away from the funnel.
Further, the inlet of the funnel is higher than the liquid level of the cold and clean medium, and one end of the U-shaped pipe, which is far away from the cold and clean medium, is lower than the liquid level of the cold and clean medium. Make during the new trend passes through the funnel and gets into U type pipe, the new trend is in the entrance of cold clean unit simultaneously not with cold clean medium contact, and the new trend behind the U type pipe is discharged from cold clean unit after export outside full contact with cold clean medium of U type pipe.
Furthermore, the first fan is arranged at the inlet of the fresh air duct and used for extracting fresh air from the outside, the second fan is arranged at the outlet of the fresh air duct and used for sending air in the fresh air duct into the room, and the detection unit and the temperature regulation unit are arranged between the first fan and the second fan.
Furthermore, the temperature adjusting unit is arranged between the detecting unit and the second fan, and adjusts the temperature of the fresh air according to the temperature of the fresh air detected by the detecting unit.
Further, one-level filter unit includes casing and inside multilayer filtration, multilayer filtration distributes along the air inlet direction in proper order.
Furthermore, the primary filtering unit comprises an activated carbon layer, a precise filter screen layer and an adsorption cotton layer, wherein the precise filter screen layer is arranged between the activated carbon layer and the adsorption cotton layer.
Furthermore, the fresh air system also comprises electromagnetic valves arranged on the fresh air flow channels and used for controlling the flow direction of the switched fresh air according to the detection result of the detection unit.
Further, the detection unit comprises a temperature sensor, a humidity sensor and an air quality comprehensive sensor.
Compared with the prior art, the fresh air control method has the following advantages:
compared with the prior art, the fresh air system has the following advantages: through the setting of clean unit of cooling, will combine as an organic whole to cooling, filtration and humidification of new trend, simplify new trend system architecture when realizing multiple functions, realize the most function with minimum structure, realize the automatic processing of new trend, make temperature, humidity and the purity of new trend all satisfy the ideal condition, make its user requirement of laminating more, promote user experience.
Drawings
FIG. 1 is a schematic flow chart of a fresh air control method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating details of a fresh air control method according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a primary filter unit according to an embodiment of the present invention;
FIG. 4 is a schematic view of another perspective structure of a primary filter unit according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a cold cleaning unit according to an embodiment of the present invention.
Description of reference numerals:
1-primary filtering unit, 10-shell, 11-activated carbon layer, 12-precision filter screen layer, 13-adsorption cotton layer, 2-cold cleaning unit, 21-funnel, 22-U-shaped tube, 23-cold cleaning medium and 24-U-shaped groove
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-5, the new trend system that this embodiment provided includes first fan, detecting element, temperature regulation unit, second fan, wherein, first fan sets up the entry in new trend wind channel for from outdoor extraction new trend, the second fan sets up the export in new trend wind channel, be used for sending into the air in the new trend wind channel indoor, detecting element and temperature regulation unit set up between two fans, detecting element is used for detecting the new trend quality that first fan introduced and judges, and judges the flow direction of new trend. The temperature adjusting unit is arranged between the detection unit and the second fan, and when the detection unit detects that the temperature of the fresh air does not meet the temperature condition, the temperature adjusting unit adjusts the temperature of the fresh air according to the temperature of the fresh air detected by the detection unit.
The new trend system of this embodiment still includes one-level filtering unit 1 and cold clean unit 2, and one-level filtering unit 1 sets up between first fan and detecting element, and the new trend gets into the new trend wind channel through first fan after, filters through one-level filtering unit earlier, and the dust of detaching the big granule, insect are not the pollutants such as insect, and the new trend after preliminary filtration passes through detecting element and further detects. Make large granule pollutant and toxic gas in the new trend at first filtered through one-level filter unit, avoid influencing going on of follow-up step, avoid damaging the detecting element simultaneously, reduce detecting element operating pressure.
The cold and clean unit 2 is arranged behind the detection unit and used for adjusting the purity, the humidity and the temperature of the fresh air according to the detection result of the detection unit.
Further, in this embodiment, the temperature adjusting unit and the cooling and cleaning unit 2 may be arranged in parallel or in series, and when the two are connected in parallel, the fresh air passing through the detecting unit may be selectively introduced into the temperature adjusting unit or the cooling and cleaning unit; when the two are connected in series, the temperature regulation unit is arranged after the cold cleaning unit 2.
The new trend system that this embodiment provided, compared with the prior art, the filter unit has been added, carry out the prefilter to the new trend, it carries out the purification to the new trend according to detecting element's testing result to set up cold clean unit simultaneously, humidification or cooling are handled, cold clean unit is to its cooling when the new trend high temperature, when the new trend low temperature was crossed, temperature regulation unit heaies up it, make the new trend after the new trend system handles equivalent with indoor temperature, be applicable to heating mode and refrigeration mode simultaneously, can realize automatic temperature control humidity, filter, guarantee the air purity of new trend, temperature, humidity, make its user requirement who accords with the user more, promote user experience.
Further, as shown in fig. 3-4, the primary filter unit 1 comprises a shell 10 and an internal multi-layer filter structure, and the multi-layer filter structure is distributed along the air inlet direction in sequence, so that the filtering and purifying effect of the multi-layer filter structure on fresh air is improved. Specifically, the primary filtering unit comprises an activated carbon layer 11, a precise filtering screen layer 12 and an adsorption cotton layer 13, the three-layer structure is fixed on the shell 10 of the primary filtering unit 1, and the sequence of the three-layer structure can be adjusted. Preferably, the fine filter screen layer 12 is disposed between the activated carbon layer 11 and the absorbent cotton layer 13, and the wall of the fresh air duct can be directly used as the casing of the primary filter unit 1, or the casing 10 of the primary filter unit 1 can be fixed on the fresh air duct.
Further, the detecting element includes temperature sensor, humidity transducer, air quality and synthesizes the sensor, and temperature sensor is used for detecting the temperature of the new trend after the prefilter, and humidity transducer is used for detecting the humidity of the new trend after the prefilter, and air quality synthesizes the sensor and is used for detecting the new trend purity after the prefilter to confirm the flow direction of follow-up new trend.
In this embodiment, the new trend system still includes all to be provided with the solenoid valve on each new trend runner for the flow direction of switching the new trend is controlled according to detecting element's testing result.
Further, as shown in fig. 5, the cold cleaning unit 2 in this embodiment includes a filter assembly, a cold cleaning medium 23 and a U-shaped groove 24, wherein the filter assembly and the cold cleaning medium 23 are both located inside the U-shaped groove 24, and the cold cleaning medium 23 is wrapped outside the filter assembly. Wherein filtering component is used for carrying out the secondary filter to the new trend, and cold clean medium is used for carrying out the cooling regulation to the new trend and handles.
Furthermore, the filter assembly comprises a funnel 21 and a U-shaped pipe 22, wherein the funnel 21 is connected to one end of the U-shaped pipe 22, the funnel 21 and the U-shaped pipe 22 are both arranged inside a U-shaped groove 24, and a cold and clean medium 23 is also arranged inside the U-shaped groove 24. Fresh air enters the U-shaped groove 24 from one side of the funnel 21 and is discharged to the outside of the cooling and purifying unit from one side far away from the funnel 21.
Furthermore, the cold and clean medium is wrapped outside the funnel 21 and the U-shaped pipe 22, the inlet of the funnel 21 is higher than the liquid level of the cold and clean medium 23, and one end of the U-shaped pipe 22, which is far away from the funnel 21, is lower than the liquid level of the cold and clean medium 23, so that the fresh air enters the U-shaped pipe 22 through the funnel 21, meanwhile, the fresh air is not contacted with the cold and clean medium at the inlet of the cold and clean unit, and the fresh air passing through the U-shaped pipe 22 is discharged from the cold and clean unit after being fully contacted with the cold and clean medium outside the outlet of the U-shaped pipe 22. The fresh air is subjected to secondary filtration and/or temperature reduction treatment after passing through the cold purification unit 2 until the state parameters of the fresh air meet the requirements.
Preferably, the cold and clean medium in the present embodiment may be configured as water or other medium that can perform filtering and temperature adjustment functions. Other solid filter media can be arranged in the funnel 21 and the U-shaped pipe 22 in the embodiment, so that the fresh air can be fully filtered.
As part of the embodiment of the present invention, as shown in fig. 1, a fresh air control method is further provided, and the control method can use the fresh air system, specifically, the control method includes the following steps:
s1, detecting the state parameters of the fresh air by the detection unit, and comparing the state parameters with the reference data;
furthermore, after the fresh air introduced by the first fan enters the fresh air duct, the fresh air is firstly subjected to primary filtration by the primary filtration unit before the detection unit. The fresh air after the preliminary filtration passes through the detection unit, and the detection unit detects each state parameter in the fresh air duct. The state parameters comprise humidity, temperature, purity and the like of fresh air, and all the state parameters detected by the detection unit are compared with all the reference data.
In this embodiment, the preset value stored in the memory may be used as the reference data, or the reference data may be set autonomously according to the user's requirement.
S2, controlling the fresh air to selectively flow to the cold cleaning unit or the temperature adjusting unit according to the detection result of the detection unit;
and comparing the state parameters detected by the detection unit with a preset humidity threshold value, and when the fresh air does not meet the humidity condition, controlling the fresh air to flow to the cold cleaning unit by the control system, and humidifying the fresh air by the cold cleaning unit.
When detecting that the new trend does not satisfy the air purity condition, control system control new trend flow direction cold clean unit carries out the secondary filter through cold clean unit to the new trend.
When the detection unit detects that the fresh air does not meet the temperature condition and the temperature of the fresh air is higher than the temperature threshold value, the control system controls the fresh air to flow to the cold cleaning unit, and the fresh air is cooled through the cold cleaning unit;
when the detection unit detects that the fresh air does not meet the temperature condition and the temperature of the fresh air is lower than the temperature threshold value, the control system controls the fresh air to flow to the temperature adjusting unit so as to heat and raise the temperature of the fresh air;
when the detecting unit detects that the fresh air meets the requirements of various state parameters, the control system controls to start the second fan, and the fresh air meeting the conditions is sent into the room by the second fan.
Furthermore, electromagnetic valves are arranged on different fresh air flow channels (such as the fresh air flow channels flowing to the cold cleaning unit and the temperature adjusting unit), and the control system controls the switching and the switching of the electromagnetic valves on the different flow channels according to the detection result of the detection unit so as to control the fresh air to flow to different processing units.
In this embodiment, the air purity can be set according to the particle size of pollutant particles in the air and/or the content of harmful gas in the air, so as to ensure the purity of fresh air entering the room.
Further, a humidity threshold H is stored in a memory of the control systemThreshold valueWhen the humidity H of the fresh air is lower than the humidity threshold value HThreshold valueAnd then, judging that the fresh air detected by the detection unit does not meet the humidity condition.
The temperature threshold in the temperature condition is set according to the current indoor ambient temperature. Preferably, the indoor temperature T can be directly measuredIndoor useAs a temperature threshold, judging whether the fresh air temperature T detected by the detection unit is within an error range of the indoor temperature, if so, indicating that the fresh air temperature is close to the indoor temperature, and the temperature of the fresh air does not need to be adjusted, so that the fresh air does not cause large fluctuation to the indoor temperature when entering the room; if not, the temperature of the fresh air is far lower than or far higher than the indoor temperature, and if the fresh air directly enters the room, the indoor temperature is easy to fluctuate greatly, the fresh air needs to be cooled or heated. More preferably, the temperature condition is | TDetection of-TIndoor useA is not more than | and A is set to be 1-3 ℃.
And S3, detecting the fresh air passing through the cold cleaning unit or the temperature adjusting unit again, and controlling the flow direction of the fresh air according to the detection result until the fresh air meets the preset conditions and then enters the room.
The fresh air cooled and/or humidified by the cold cleaning unit needs to be returned to the detection unit again for detection, whether the fresh air meets the temperature and humidity conditions is judged again, and if the fresh air meets the conditions, the fresh air meeting the requirements is directly introduced into the room through the second fan; if the fresh air still does not meet the requirements, the fresh air enters the cooling and purifying unit or the temperature adjusting unit again to form circulation until the temperature and the humidity meet the conditions.
After the detection unit detects that the fresh air does not meet the air purity condition and the fresh air is filtered by the cold purification unit, the fresh air is controlled to return to the primary filtering unit again for filtering, and circulation is formed by the detection unit until the purity meets the condition.
The fresh air after being heated by the temperature regulating unit is returned to be detected again, whether the fresh air meets the temperature condition is judged again, and if the fresh air meets the requirement, the fresh air meeting the requirement is directly introduced into the room through the second fan; if the fresh air still does not meet the requirements, the fresh air enters the temperature adjusting unit again to form circulation until the temperature meets the requirements.
Further, in this embodiment, the temperature adjustment unit and the cold cleaning unit may be arranged in parallel, that is, the fresh air detected by the detection unit is selectively introduced into the temperature adjustment unit or the cold cleaning unit according to the detection and determination result, and is correspondingly processed. Also can set up temperature regulation unit and cold clean unit to establish ties, and temperature regulation unit sets up behind cold clean unit, and fresh air purity and humidity after cold clean unit handles satisfy the requirement, but when the temperature was less than the temperature threshold value, during fresh air after cold clean unit handles got into temperature regulation unit again, carried out further heating and raised the temperature to it.
The fresh air system control method provided by the embodiment can purify, humidify or adjust the temperature of fresh air in a circulating manner, is suitable for a heating mode and a refrigerating mode, can simultaneously realize cooling, secondary filtering and humidifying operations of the fresh air through the cold cleaning unit, simplifies the structure of the fresh air system while realizing multiple functions, realizes the most functions by the least structure, and improves user experience.
As shown in fig. 2, as an embodiment of the present invention, a fresh air control method specifically includes the following steps:
s101, introducing outdoor fresh air into a fresh air duct by a first fan;
s102, performing primary filtration on fresh air through a primary filtration unit;
s103, the fresh air after primary filtration passes through a detection unit, and the state parameters of the fresh air after primary filtration are detected by the detection unit;
s201, detecting and judging whether the purity of the fresh air meets the requirement of the purity by a detection unit, if so, executing S202, otherwise, executing S301, controlling the fresh air to flow to a cold purification unit by a control system, performing further filtering and purifying operation on the cold purification unit, returning to S102, and re-filtering by a primary filtering unit again;
s202, detecting and judging whether the humidity of the fresh air meets the humidity requirement by a detection unit, if so, executing a step S203, otherwise, executing a step S304, and controlling the fresh air to flow to a cooling and purifying unit by a control system to perform humidification processing on the fresh air;
s203, detecting and judging whether the temperature T of the fresh air meets a temperature condition by a detection unit, if so, executing a step S302, and if not, executing a step S204, wherein the second fan guides the fresh air to be sent into a room;
s204, judging the temperature T of the fresh air againDetection ofWhether or not less than indoor temperature TIndoor useIf not, executing the step S301, and controlling the fresh air to flow to the cooling and purifying unit by the control system to further cool the cooling and purifying unit; if yes, go to step S303;
s301, enabling the fresh air to flow to a cooling and purifying unit, performing cooling or humidifying operation, and detecting again through a detection unit after passing through the cooling and purifying unit;
s302, the second fan guides and sends fresh air meeting various requirements into a room;
s303, starting a temperature adjusting unit, sending the fresh air into the temperature adjusting unit, returning the fresh air processed by the temperature adjusting unit to the step S203 again, judging whether the fresh air meets the temperature condition, and sending the fresh air into a room by a second fan until the temperature condition is met;
and S304, enabling the fresh air to flow to the cold purification unit, returning to S102 again after filtering operation, and re-filtering through the primary filtering unit again.
It should be noted that, in this embodiment, the determination sequence of S201 to S203 may be exchanged or performed simultaneously, and if all the items meet the requirements, step S302 is directly executed, and the second fan sends fresh air into the room; if the fresh air humidity and/or the purity do not meet the requirements, executing the step S301; and if the fresh air humidity and the purity meet the requirements and the temperature does not meet the requirements, executing the step S204.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. The utility model provides a new trend system, includes first fan, detecting element, temperature regulation unit and second fan, its characterized in that, new trend system still includes one-level filter unit (1) and cold clean unit (2), one-level filter unit (1) sets up before the detecting element, cold clean unit (2) set up behind the detecting element, cold clean unit (2) are used for the basis detecting element's testing result adjusts the purity, humidity and the temperature of new trend.
2. Fresh air system according to claim 1, characterized in that the cold cleaning unit (2) comprises a filter assembly, a cold cleaning medium (23) and a U-shaped groove (24), the filter assembly and the cold cleaning medium (23) are both located inside the U-shaped groove (24), and the cold cleaning medium (23) is wrapped outside the filter assembly.
3. Fresh air system according to claim 2, characterized in that the filter assembly comprises a funnel (21) and a U-tube (22), the funnel (21) being connected at one end of the U-tube (22).
4. The fresh air system as claimed in claim 3, wherein the inlet of the funnel (21) is higher than the liquid level of the cold clean medium (23), and the end of the U-shaped pipe (22) far away from the cold clean medium (23) is lower than the liquid level of the cold clean medium (23).
5. The fresh air system as claimed in claim 1, wherein the first fan is disposed at an inlet of the fresh air duct for extracting fresh air from the outside, the second fan is disposed at an outlet of the fresh air duct for sending air in the fresh air duct into the room, and the detecting unit and the temperature adjusting unit are disposed between the first fan and the second fan.
6. The fresh air system as claimed in claim 1, wherein the temperature adjusting unit is disposed between the detecting unit and the second fan, and the temperature adjusting unit adjusts the temperature of the fresh air according to the temperature of the fresh air detected by the detecting unit.
7. The fresh air system as claimed in claim 1, wherein the primary filter unit (1) comprises a housing (10) and an internal multi-layer filter structure, and the multi-layer filter structure is distributed in sequence along the air inlet direction.
8. The fresh air system as claimed in claim 7, characterized in that the primary filter unit (1) comprises an activated carbon layer (11), a fine filter layer (12) and an absorbent cotton layer (13), the fine filter layer (12) being arranged between the activated carbon layer (11) and the absorbent cotton layer (13).
9. The fresh air system as claimed in claim 1, further comprising an electromagnetic valve disposed on each fresh air flow channel for controlling the flow direction of the fresh air according to the detection result of the detection unit.
10. The fresh air system as claimed in claim 1, wherein the detection unit comprises a temperature sensor, a humidity sensor, and an air quality comprehensive sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122620393.4U CN215983028U (en) | 2021-10-29 | 2021-10-29 | Fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122620393.4U CN215983028U (en) | 2021-10-29 | 2021-10-29 | Fresh air system |
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| Publication Number | Publication Date |
|---|---|
| CN215983028U true CN215983028U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122620393.4U Active CN215983028U (en) | 2021-10-29 | 2021-10-29 | Fresh air system |
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| CN (1) | CN215983028U (en) |
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2021
- 2021-10-29 CN CN202122620393.4U patent/CN215983028U/en active Active
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