CN212299314U

CN212299314U - New fan

Info

Publication number: CN212299314U
Application number: CN202020646131.8U
Authority: CN
Inventors: 钱璟; 黄冠江; 宋永朋
Original assignee: Shenzhen Yiqing Environmental Protection Technology Co ltd
Current assignee: Shenzhen Yiqing Environmental Protection Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-01-05
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to an air purification equipment technical field especially relates to a new fan, including casing, air supply fan, air exhaust fan, fresh air control valve, return air control valve and purification mechanism. The shell is provided with a return air inlet, an air supply outlet, an air outlet and an air inlet, the return air inlet is communicated with the air outlet to form an air exhaust channel, the return air inlet is communicated with the air supply outlet to form a return air channel, and the air inlet is communicated with the air supply outlet to form a fresh air channel; the air supply fan is communicated with the air supply outlet and is used for supplying air into a room; the air exhaust fan is communicated with the air exhaust port and used for exhausting air out of the room; the fresh air control valve is used for controlling the opening or closing of the fresh air channel; the return air control valve switches a return air channel and an exhaust channel; the purifying mechanism purifies air flowing to the room. Under the cooperation of the air exhaust channel, the air return channel, the fresh air channel, the air supply fan, the air exhaust fan and the fresh air control valve, different working modes can be switched according to the indoor air quality so as to purify the indoor air quality and reduce the energy loss of the indoor air.

Description

New fan

Technical Field

The utility model relates to an air purification equipment technical field especially relates to a new fan.

Background

With the development of economy and the increasing emphasis on environmental pollution, more and more air purification devices are widely used. The fresh air machine is an effective air purification device, can circulate indoor air, and can discharge dirty indoor air outdoors and input fresh outdoor air into the room after sterilization, disinfection, filtration and other measures, so that the indoor air is kept clean.

Early new fan can not carry out recycle to the energy in the air of discharging the outdoor, has caused a lot of energy losses. For example, in winter, the indoor temperature is high, especially in north, there is often a heater in the room, and at this time, the traditional fresh air machine will exhaust the hot air in the room to the outside and introduce the cold air in the room, resulting in that the heater needs to consume more energy to heat. On the contrary, in hot summer, the air conditioner is arranged indoors, and at the moment, the traditional fresh air machine can directly discharge cold air outdoors and introduce outdoor hot air, so that the air conditioner needs to consume more energy for refrigeration.

The new generation of fresh air machine can use the heat exchanger to recover the energy of the discharged air, when the heat exchanger works, indoor exhaust air and fresh air respectively flow through the heat exchanger core in a quadrature mode, because the temperature difference exists between the air flows on the two sides of the airflow division plate of the core, the heat transfer and mass transfer phenomena are presented when the two air flows pass through the division plate, the total heat exchange process is caused, the fresh air effectively obtains the enthalpy value in the exhaust air, thereby saving the energy consumption of fresh air pretreatment and achieving the purpose of energy saving and air exchange.

The heat exchanger mainly comprises a sensible heat exchanger and a total heat exchanger, wherein the sensible heat exchanger cannot adjust the humidity, and is easy to condense and frost on the surface of a core body of the sensible heat exchanger in the using process, so that the wind resistance is overlarge. Although the total heat exchanger can adjust the humidity, the core body of the total heat exchanger is easy to collect ash in the using process, if the total heat exchanger cannot be maintained and replaced in time, the efficiency is reduced due to the ash collection, and the wind resistance is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new fan aims at solving current new fan because its heat exchanger can make the windage grow because of reasons such as dewfall frosting or collection ash in the use, influences the problem of new fan work.

In order to solve the above problem, the utility model provides a new fan, include:

the shell is provided with a return air inlet, an air supply outlet, an air outlet and an air inlet, the return air inlet is communicated with the air outlet to form an air exhaust channel, the return air inlet is communicated with the air supply outlet to form a return air channel, and the air inlet is communicated with the air supply outlet to form a fresh air channel;

the air supply fan is communicated with the air supply outlet and is used for supplying air into a room;

the air exhaust fan is communicated with the air exhaust port and is used for exhausting air out of the room;

the fresh air control valve is used for controlling the opening or closing of the fresh air channel;

the air return control valve is used for controlling and switching the air return channel and the air exhaust channel; and

and the purification mechanism is used for purifying the air flowing to the indoor.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

when the indoor air quality is better, the air supply fan is opened, the air exhaust fan is closed, the fresh air channel is closed through the fresh air control valve, the air exhaust channel is closed through the return air control valve, at the moment, the indoor air and the outdoor air are isolated, meanwhile, the indoor air is subjected to internal circulation through the return air inlet, the return air channel, the purification mechanism and the air supply outlet under the action of the fresh air fan, and the indoor air has no energy loss in the purification process.

When the indoor air quality is poor, the air supply fan is opened, the air exhaust fan is closed, the fresh air channel is opened through the fresh air control valve, the air exhaust channel is closed through the return air control valve, and the outdoor air is fed into the purification mechanism through the air inlet and the fresh air channel under the action of the fresh air fan; meanwhile, the indoor air also enters the purification mechanism through the air return inlet and the air return channel. Indoor air and outdoor air are mixed and then enter the room through the air supply opening, the indoor air can be purified and simultaneously can be supplemented with fresh oxygen, and energy loss is avoided.

When the indoor air quality is extremely poor, the air supply fan and the air exhaust fan are both opened, the fresh air channel is opened through the fresh air control valve, the return air channel is closed through the return air control valve, the indoor air is exhausted outwards through the air exhaust channel, and the outdoor air enters the room through the air inlet, the fresh air channel, the purification mechanism and the air supply outlet under the action of the air supply fan, so that the exchange between the indoor air and the outdoor air is accelerated, indoor pollutants are quickly discharged, and the indoor air pressure is kept balanced.

To sum up, the utility model discloses a new fan can switch different mode with the air purification room quality according to the room air quality under the mating reaction of passageway, return air passageway, new trend passageway, air supply fan, the fan of airing exhaust and new trend control valve of airing exhaust, and except the condition of air quality range, this new fan can not outwards discharge indoor air, and the energy of room air can not lose basically. This new fan has replaced the mode that current new fan used heat exchanger to reduce energy loss through the mode of switching mode, can avoid heat exchanger to make the problem of windage grow because of reasons such as dewfall frosting or collection ash in the use. And after the heat exchanger is cancelled, the resistance of air flowing in the shell is reduced, the air outlet quantity of the fresh air fan can be increased, and the energy-saving effect of the fresh air fan is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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.

Wherein:

FIG. 1 is a schematic view of the internal structure of a suction fan in one embodiment;

FIG. 2 is a top view of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of the structure of FIG. 2 taken along the line A-A

Fig. 4 is a right side view of the structure of fig. 2.

The reference numbers in the specification are as follows:

10. a housing; 101. an air return opening; 102. an air supply outlet; 103. an air outlet; 104. an air inlet; 105. an air exhaust channel; 106. an air return channel; 107. a fresh air channel; 108. a foul wind channel; 11. a first separator; 111. a vent; 12. a second separator; 20. an air supply fan; 30. an exhaust fan; 40. a baffle plate; 50. an air valve; 60. a sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 and 2, an embodiment of the present invention provides a new blower, which includes a casing 10, an air supply blower 20, an air exhaust blower 30, and a purification mechanism (not shown in the figure). The casing 10 has a return air inlet 101, an air supply outlet 102, an air exhaust outlet 103 and an air inlet 104, wherein the return air inlet 101 is communicated with the air exhaust outlet 103 to form an air exhaust channel 105, the return air inlet 101 is communicated with the air supply outlet 102 to form a return air channel 106, and the air inlet 104 is communicated with the air supply outlet 102 to form a fresh air channel 107. The supply fan 20 communicates with the supply port 102 for supplying air into the room. The exhaust fan 30 communicates with the exhaust port 103 for discharging air to the outside. The purification mechanism is located for purifying air flowing to the room. The direction of air flow is shown by the arrows in figure 2.

When the indoor air quality is better, the air supply fan 20 is opened, the exhaust fan 30 is closed, the fresh air channel 107 is closed through the fresh air control valve, the exhaust channel 105 is closed through the return air control valve, at the moment, indoor and outdoor air is isolated, meanwhile, the indoor air is subjected to internal circulation through the return air inlet 101, the return air channel 106, the purification mechanism and the air supply opening 102 under the action of the fresh air fan, and the indoor air does not damage energy while being purified.

When the indoor air quality is poor, the air supply fan 20 is opened, the air exhaust fan 30 is closed, the fresh air channel 107 is opened through the fresh air control valve, the air exhaust channel 105 is closed through the return air control valve, the outdoor air enters the purification mechanism through the air inlet 104 and the fresh air channel 107 under the action of the fresh air fan, and meanwhile, the indoor air enters the purification mechanism through the return air inlet 101 and the return air channel 106. Indoor air and outdoor air are mixed and then enter the room through the air supply opening 102, the indoor air can be purified and simultaneously can be supplemented with fresh oxygen, and energy loss is avoided.

When the indoor air quality is extremely poor, the air supply fan 20 and the air exhaust fan 30 are both opened, the fresh air channel 107 is opened through the fresh air control valve, the return air channel 106 is closed through the return air control valve, the indoor air is exhausted outwards, and meanwhile, the outdoor air enters the room through the air inlet 104, the fresh air channel 107, the purification mechanism and the air supply outlet 102 under the action of the air supply fan 20, so that the exchange between the indoor air and the outdoor air is accelerated, indoor air pollutants are rapidly exhausted, and the indoor air pressure is kept balanced.

To sum up, the utility model discloses a new fan can switch different mode with the air-purifying room according to the room air quality under the mating reaction of passageway 105, return air passageway 106, new trend passageway 107, air supply fan 20, the fan 30 and the new trend control valve of airing exhaust, and except the condition of air quality range, this new fan can not outwards discharge indoor air, and the energy of room air can not lose basically. This new fan has replaced traditional new fan through the mode of switching mode and has used heat exchanger to reduce energy loss's mode, can avoid heat exchanger to make the problem of windage grow because of reasons such as dewfall frosting or collection ash in the use. Moreover, after the heat exchanger is cancelled, the resistance of air flowing in the shell 10 is reduced, the air outlet quantity of the fresh air fan can be increased, and the energy-saving effect of the fresh air fan is improved.

Specifically, in the present embodiment, the casing 10 includes a first partition 11, the air return opening 101 and the air exhaust opening 103 are located on one side of the first partition 11, and the air supply opening 102 and the air intake opening 104 are located on the opposite side of the first partition 11. The first partition 11 substantially divides the space inside the casing 10 into two parts, and the exhaust duct 105 and the intake duct share the first partition 11, which are adjacent to each other but isolated from each other, so that the structure of the casing 10 can be simplified.

Further, referring also to fig. 3, the casing 10 includes a second partition 12, and the return air duct 106 and the discharge air duct 105 are located on opposite sides of the second partition 12. That is, the second partition 12 divides the space on the side of the first partition 11 where the return air inlet 101 and the exhaust air outlet 103 are provided into two parts, and the return air duct 106 and the exhaust air duct 105 share the second partition 12, thereby simplifying the structure of the casing 10.

In this embodiment, the surface of the second partition plate 12 is perpendicular to the surface of the first partition plate 11, and the exhaust fan 30 is disposed on the second partition plate 12, so that the exhaust fan 30 is easy to mount. Also, the surface of the second partition 12 is stepped to allow a larger installation space of the exhaust fan 30. When installing the fresh air blower, it is preferable that the surface of the second partition 12 is parallel to the horizontal direction and the exhaust air blower 30 is fixed above the second partition 12 so that the exhaust air blower 30 is supported by the second partition 12. In other embodiments, the surface of the second partition 12 may be parallel to the surface of the first partition 11, and in this case, the exhaust duct 105 and the return duct 106 are defined between the second partition 12 and the side plate of the casing 10, and between the second partition 12 and the first partition 11, respectively.

In this embodiment, referring mainly to fig. 1, the first partition 11 is provided with a vent 111, and the return air inlet 101 is communicated with the supply air inlet 102 through the vent 111 and the fresh air channel 107. At this time, the first partition 11 separates a part of the return air duct 106 from the fresh air duct 107, and a part of the return air duct 106 located downstream of the vent 111 overlaps the fresh air duct 107, so that the structure of the casing 10 is simplified. Moreover, the partial structure of the return air channel 106 is overlapped with the fresh air channel 107, and the flow area between the return air channel 106 and the air supply outlet 102 and the flow area between the fresh air channel 107 and the air supply outlet 102 can be maximized, so that the resistance of the fresh air machine to air supply to the room is reduced. Meanwhile, the space upstream of the supply port 102 can be maximized and the purge mechanism can be disposed in the space, that is, the purge mechanism is disposed in the fresh air duct 107 and downstream of the vent 111 to make full use of the space in the casing 10. The purification mechanism may include different types of purification modules, such as electrostatic precipitation, water mist precipitation, HEPA screens, and the like.

Referring mainly to fig. 1, a dirty air channel 108 is further disposed in the casing 10, and the air return opening 101 is communicated with the exhaust channel 105 and the air return channel 106 through the dirty air channel 108, so as to maximize the flow area between the exhaust channel 105 and the air return channel 106 and the air return opening 101, and reduce the resistance of the indoor air entering the fresh air machine from the air return opening 101.

In other embodiments, the exhaust duct 105, the return air duct 106, and the fresh air duct 107 may be completely independent.

The return air control valve may also be used to control the opening or closing of the return air duct 106. When the indoor air quality is poor and the indoor and outdoor temperature difference is large, the return air channel 106 is opened by the return air control valve, the indoor air is internally circulated under the action of the air supply fan 20 when the outdoor air is sent into the room by the air supply fan 20, so that the mixing speed of the outdoor air and the indoor air is accelerated, and the degree of indoor temperature change is reduced. Moreover, because the partial structure of the return air channel 106 is overlapped with the fresh air channel 107, the outdoor air can be mixed with the indoor air in the fresh air channel 107 and then is sent into the room through the air supply outlet 102, the indoor temperature change degree can be further reduced, and the user experience is improved. When the indoor air quality is poor and the indoor and outdoor temperature difference is small, the return air control valve closes the return air channel 106, the fresh air fan only sends outdoor air into the room, and the indoor air cannot be subjected to inner circulation, so that energy is saved. At this time, a slight positive pressure is formed in the room to prevent unfiltered air from the outside from entering the room through gaps at doors, windows, and the like to some extent. Moreover, when the indoor air quality is extremely poor, the return air channel 106 can be closed through the return air control valve, so that a part of air which should enter the exhaust channel 105 is prevented from returning to the indoor through the return air channel 106, and the whole machine working efficiency and the energy utilization rate of the fresh air machine are improved.

So, through setting up the return air control valve, can further increase the mode of new fan, make the new fan can adjust the mode more accurately according to environmental condition.

Specifically, in the present embodiment, the return air control valve includes a baffle 40 and a driving member (not shown in the figure) connected to each other, the baffle 40 is rotatably connected to the housing 10, the driving member can drive the baffle 40 to turn over, the structure is simple, and the volume occupied by the baffle 40 is small. The baffle 40 is disposed at the boundary between the return air duct 106 and the dirty air duct 108, and the baffle 40 is turned inside the dirty air duct 108, thereby making full use of the space inside the dirty air duct 108. The damper 40 can also close one of the return air duct 106 and the discharge air duct 105 when the other is open.

The fresh air machine further comprises a sensor 60 located in the dirty air channel 108 for detecting the indoor air quality, and the sensor 60 can detect indexes such as TVOC (Total Volatile Organic Compounds), CO2 concentration, humidity and formaldehyde content. Moreover, the sensor 60 is positioned in the dirty air duct 108, so that the space in the dirty air duct 108 is fully utilized, the sensor 60 is prevented from being exposed, the sensor 60 is protected, and the appearance of the fresh air machine is beautified.

In addition, referring mainly to fig. 1 and fig. 4, the fresh air control valve of the present embodiment is an air valve 50 disposed corresponding to the air inlet 104, and the air valve 50 is disposed in the air inlet 104, and the air inlet 104 is directly controlled to be opened or closed by the air valve 50, so as to reduce the volume occupied by the air valve 50 in the housing 10.

It should be noted that in the present embodiment, the sensor 60 is electrically connected to the supply fan 20, the exhaust fan 30, the driving member and the air valve 50 to automatically control the fans to switch the corresponding operation modes according to the indoor air quality.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A new fan, comprising:

2. The new blower of claim 1, wherein the housing includes a first partition, the return air inlet and the exhaust air outlet are located on one side of the first partition, and the supply air outlet and the intake air inlet are located on the opposite side of the first partition.

3. The new blower of claim 2 wherein the housing includes a second partition, the return air channel and the exhaust air channel being located on opposite sides of the second partition.

4. The fresh air machine as claimed in claim 3, wherein a surface of the second partition is perpendicular to a surface of the first partition, and the exhaust fan is disposed on the second partition.

5. The ventilator of claim 3, wherein the first partition is provided with a vent, and the return air inlet is communicated with the supply air inlet through the vent and the fresh air passage.

6. The fresh air machine of claim 5 wherein the purge mechanism is located within the fresh air channel and downstream of the vent.

7. The new fan as claimed in claim 1, wherein a dirty air channel is further provided in the casing, and the return air inlet is communicated with the exhaust air channel and the return air channel through the dirty air channel.

8. The new fan as claimed in claim 1, wherein the return air control valve is used for controlling the opening or closing of the return air channel.

9. The new fan as claimed in claim 1, wherein the return air control valve includes a baffle plate and a driving member connected to each other, the baffle plate is rotatably connected to the housing, and the driving member can drive the baffle plate to turn.

10. The fresh air machine as claimed in any one of claims 1 to 9, further comprising a sensor for detecting indoor air quality; the fresh air control valve is an air valve arranged corresponding to the air inlet.