CN205156173U - Indoor new trend clearing machine - Google Patents

Abstract

The utility model provides an indoor fresh air purifier. The purifier includes a shell, and a first air path and a second air path independent of each other are formed inside the shell. The first air path and the second air path Both are cavities with openings at both ends, the first air passage is provided with a fresh air purification module, a first air valve, a return air purification module and a first power unit, and the second air passage is provided with a second power unit and the second air valve; the second air valve is located on the upper part of the first air valve, the return air purification module is used to purify the gas from the second air valve, and the first air path and the second air path pass through the first The two air valves are connected, and a one-way valve is installed at the outdoor return air outlet. The indoor fresh air purifier is suitable for cabinet-type installation, has an ingenious structural design, has fresh air, return air purification and heat exchange functions, has a long service life, low energy consumption, long-lasting antibacterial effect, and can ensure the cleanliness of indoor air.

Description

An indoor fresh air purifier

technical field

The utility model belongs to the technical field of air purification equipment, in particular to an indoor fresh air purifier.

Background technique

As interior decoration becomes more and more common, decoration materials have become a source of pollution harmful to the human body in a relatively closed indoor space, forming indoor air pollution, which has a non-negligible impact on human health. Therefore, indoor air pollution has been listed by the World Health Organization (WHO) as one of the top ten factors affecting human health.

In order to improve indoor air quality, various air purifiers have also appeared on the market, but they are all unsatisfactory in use effect and service life. And in many cases, while purifying the air in relatively confined indoor spaces, it is also necessary to introduce fresh outdoor air, and the entry of dirty air from outdoor smog and air pollution into the room will also cause indoor air quality to decline. Therefore, the indoor fresh air purification system has received more and more attention from people in recent years. Most indoor fresh air purifiers take out indoor dirty air and introduce purified outdoor fresh air to improve indoor air quality, which inevitably leads to the loss of indoor heat. CN104949219A discloses an air purification system with better purification effect, which includes an indoor unit. The casing of the indoor unit is respectively provided with an indoor air suction port, an indoor air discharge port, an outdoor air suction port and an outdoor air discharge port. The inside is provided with a first flow path connecting the indoor air suction port and the indoor air discharge port and a second flow path connecting the outdoor air suction port and the outdoor air discharge port, the first flow path and the second flow path are isolated from each other, the first flow path and the second flow path The second flow path is also provided with a filter unit which constitutes a part of the flow path. The filter unit adopts a porous metal film as a filter element; the air purification system also includes driving the indoor air through the indoor air suction port, the first flow path and the indoor air exhaust The first power unit whose outlet is discharged to the outside and the second power unit which drives the outdoor air to be discharged into the room. However, it is only suitable for sucking the outdoor air into the room and discharging the indoor air to the outside, and cannot only purify the indoor air. In addition, the current fresh air purifiers are mainly installed on the ceiling. This installation method is relatively complicated and difficult to install, and it is not suitable for this installation method in some places. In order to solve the above technical problems, the utility model provides a cabinet-type indoor fresh air purifier.

Utility model content

Aiming at the problems existing in the prior art, the purpose of this utility model is to provide an indoor fresh air purifier, which can not only introduce purified outdoor air into the room and take away the dirty air in the room, but also can independently The indoor air is purified, and the indoor fresh air purifier has a compact structure, is easy to install, has a durable antibacterial effect, and ensures the cleanliness of the air.

For this purpose, the utility model adopts the following technical solutions:

An indoor fresh air purifier, the purifier includes a housing, the housing is provided with an indoor fresh air outlet, an indoor return air inlet, an outdoor fresh air inlet and an outdoor return air outlet, and the inside of the housing is provided with There is a first air path connecting the outdoor fresh air inlet and the indoor fresh air outlet, and a second air path connecting the indoor return air inlet and the outdoor return air outlet is arranged inside the housing, so The first air path and the second air path are mutually independent cavities, the fresh air purification module and the first power unit are arranged in the first air path, and the second power unit is arranged in the second air path; The first air path is also provided with a return air purification module and a first air valve, the second air path is provided with a second air valve, the second air valve is located on the upper part of the first air valve, and the return air The air purification module is used to purify the gas from the second air valve, the first air path communicates with the second air path through the second air valve, and a one-way valve is installed at the outdoor return air outlet.

A heat exchange module for exchanging heat between the first air path and the second air path is also arranged in the housing, and the heat exchange module is arranged between the first air path and the second air path.

An electric control box and a display control panel are arranged on the inner wall of the housing, and the electric control box is connected with the display control panel, the first damper, the second damper, the first power unit and the second power unit.

The second air path is provided with a CO ₂ sensor and a PM 2.5 sensor near the indoor return air inlet, and the CO ₂ sensor and PM 2.5 sensor are both connected to the electric control box.

The indoor fresh air outlet and the indoor return air inlet are arranged at the upper end of the casing, and the outdoor fresh air inlet and the outdoor return air outlet are arranged at the lower part of the casing.

The fresh air purification module includes a coarse-effect filter, a high-efficiency filter and an adsorption material layer, and the filter nets of the coarse-effect filter and the high-efficiency filter are coated with antibacterial and anti-mildew materials, and the fresh air purification module and the housing The inner wall is seamlessly connected.

The return air purification module includes a high-efficiency filter, a formaldehyde purifier, a VOCs purifier, a bactericidal material layer and an adsorption material layer, and the return air purification module is seamlessly connected with the inner wall of the housing.

Both the first power unit and the second power unit are fans, and the wind rotors of the fans are cross-flow rotors, centrifugal rotors, axial-flow rotors or backward inclined rotors.

The purifier is a vertical cabinet type.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The utility model realizes two air purification modes of outdoor fresh air purification and indoor return air purification through electric damper control. The fresh air purification module is equipped with a coarse-effect filter, a high-efficiency filter and adsorption materials. The stepped filter can effectively filter out PM2.5 and other harmful substances while ensuring the service life of the filter. The primary filter efficiency of PM2.5 is ≥99%. . The return air purification module is aimed at the high content of formaldehyde, VOCs and bacteria in the indoor closed environment. It is equipped with high-efficiency filters, formaldehyde purifiers, VOCs purifiers, bactericidal materials and adsorption materials in order to meet the indoor air purification requirements.

(2) The indoor fresh air purifier described in the utility model adopts a cabinet installation, and the outdoor fresh air inlet and the outdoor exhaust air outlet are arranged at the lower end of the back of the device housing, which is convenient for wall-mounted installation and less installation consumables.

(3) The indoor fresh air purifier described in the utility model is equipped with a heat exchange module, and the dirty air discharged from the room passes through the heat exchange module to exchange heat with the outdoor air entering from the outdoor fresh air inlet, thereby effectively preserving indoor heat and energy. temperature to prevent excessive loss of heat energy.

Description of drawings

Fig. 1 is the structural representation of the cabinet type indoor fresh air purifier that embodiment 1 provides;

Fig. 2 is the side view of the cabinet type indoor fresh air purifier provided by embodiment 1;

Fig. 3 is the structural representation of the heat exchange module that embodiment 1 provides;

Among them, 1-indoor return air inlet, 2-fresh air purification module, 3-heat exchange module, 4-housing, 5-electric control box, 6-first air valve, 7-PM2.5 sensor, 8-the first Second air valve, 9-return air purification module, 10- _CO2 sensor, 11-fresh air fan, 12-exhaust fan, 13-outdoor fresh air inlet, 14-outdoor return air outlet, 15-indoor fresh air outlet, 16 - Displays the control panel.

detailed description

In order to deepen the recognition and understanding of the utility model, the utility model will be further clarified below in conjunction with the accompanying drawings and specific embodiments.

The utility model provides an indoor fresh air purifier, the purifier includes a housing 4, and the housing 4 is provided with an indoor fresh air outlet 15, an indoor return air inlet 1, an outdoor fresh air inlet 13 and an outdoor return air outlet. Air outlet 14, the housing 4 is provided with a first air path connecting the outdoor fresh air inlet 13 and the indoor fresh air outlet 15, and the housing 4 is also provided with a first air path communicating with the indoor return air. The second air path between the air inlet 1 and the outdoor return air outlet 14, the first air path and the second air path are mutually independent cavities, and the fresh air purification module 2 and the first air purification module 2 are arranged in the first air path. A power unit, the second power unit is set in the second air path; the return air purification module 9 and the first air valve 6 are also set in the first air path, and the second air valve is set in the second air path Air valve 8, the second air valve 8 is located on the upper part of the first air valve 6, the return air purification module 9 is used to purify the gas from the second air valve 8, the first air path and the second air path It communicates with the second air valve 8, and a one-way valve is installed at the outdoor return air outlet 14.

When the outdoor return air outlet 14 discharges air, the one-way valve is open; when the outdoor return air outlet 14 sucks air, the one-way valve is closed.

The indoor fresh air purifier provided by the utility model can not only suck the outdoor fresh air into the room after being purified by controlling the first air valve, the second air valve and the one-way valve, but also discharge the indoor air to the outside at the same time, and can also purify the indoor air. Purify the cycle.

There are two working modes for air purification using the cabinet-type indoor fresh air purifier as described above: an outdoor fresh air mode and an indoor return air mode.

The operation process of the outdoor fresh air mode is:

Open the first air valve 6 and close the second air valve 8 at the same time, the outdoor air enters the casing through the outdoor fresh air inlet 13, and then passes through the fresh air purification module 2 and the first air valve 6 in sequence, and the air after the heat exchange is purified The fresh air fan 11 enters the room from the indoor fresh air outlet 15; at the same time, the dirty air discharged from the room enters the housing 4 from the indoor return air inlet 1, and is discharged to the outside through the exhaust fan 12 from the outdoor exhaust air outlet 14.

The operation process of the indoor return air mode is as follows:

Open the second air valve 8 and close the first air valve 6 at the same time, the indoor circulating air enters the device from the indoor return air inlet 1, and then passes through the second air valve 8 and the return air purification module 9 in turn, after being purified and filtered The air enters the room from the indoor fresh air outlet 15 by the fresh air blower 11.

As a preferred technical solution, a heat exchange module 3 for exchanging heat between the first air path and the second air path is also arranged in the housing 4, and the heat exchange module 3 is arranged between the first air path and the second air path. Between the two wind roads. The heat exchange module 3 is seamlessly connected with the inner wall of the housing 4, and can realize the penetration of gas in the first air path and the second air path, the gas in the first air path and the gas in the second air path The gas realizes heat exchange in the heat exchange module 3, and the heat exchange module 3 can effectively preserve indoor heat energy and prevent excessive loss of heat energy.

The inner wall of the housing 4 is provided with an electric control box 5 and a display control panel 16, and the electric control box 5 is connected with the display control panel 16, the first air valve 6, the second air valve 8, the first power unit and the second power unit. Units are connected. The electric control box 5 is an information processing and control center, and is integrated with a single-chip microcomputer processing chip. The first air valve 6 and the second air valve 8 are preferably electric air valves, which are opened and closed by the electric control box 5 . The display control panel 16 includes a display screen, and function keys are arranged on the display screen. The function keys are convenient for manipulation and can clearly display the operating status of the purifier.

The second air path is provided with a CO ₂ sensor 10 and a PM 2.5 sensor 6 near the indoor return air inlet 1 , and the CO ₂ sensor 10 and the PM 2.5 sensor 6 are both connected to the electric control box 5 . The _CO2 sensor 10 and the PM2.5 sensor 6 can monitor the PM2.5 value and the _CO2 concentration of the indoor air in real time, and the monitored value is transmitted to the electric control box 5, and then displayed by the display control panel 16, which is convenient to use Or choose a different working mode of the purifier.

The indoor fresh air outlet 15 and the indoor return air inlet 1 are arranged at the upper end of the housing 4 , and the outdoor fresh air inlet 13 and the outdoor return air outlet 14 are arranged at the lower part of the housing 4 . The indoor fresh air outlet 15 and the outdoor fresh air inlet 13 can be arranged on one side of the housing, or on both sides of the housing, preferably on both sides of the housing. The indoor return air inlet 1 The outdoor return air outlet 14 can be arranged on one side of the casing, or on both sides of the casing, preferably on both sides of the casing.

The fresh air purification module 2 includes a coarse-effect filter, a high-efficiency filter and an adsorption material layer, and the filter nets of the coarse-effect filter and the high-efficiency filter are coated with antibacterial and mildew-proof materials, and the fresh air purification module 2 and the shell The inner walls of the body 4 are seamlessly connected. The fresh air purification module 2 is installed on the first air path, which can realize the transparent passage of fresh air. The adsorption material layer is made of adsorption materials in the prior art, and those skilled in the art can choose different adsorption materials according to actual needs. The antibacterial and anti-mildew material in the fresh air purification module 2 can make bacteria or mold inactive, high anti-mildew level, zero secondary pollution, large filter area, long replacement cycle, uniform air flow distribution, and can filter PM2.5 once Efficiency ≥ 99%.

The return air purification module 9 includes a high-efficiency filter, a formaldehyde purifier, a VOCs purifier, a bactericidal material layer and an adsorption material layer, and the return air purification module 9 is seamlessly connected with the inner wall of the housing 4 . The return air purification module 9 is installed on the second air path, so that the return air can pass through. The bactericidal material layer and the adsorbent material layer are made of bactericidal materials and adsorbent materials in the prior art. Those skilled in the art can choose different bactericidal materials and adsorbent materials according to actual needs, such as ultraviolet lamps or ozone for sterilizing materials. The adsorption material is activated carbon fiber, aluminum oxide film or molecular sieve. The formaldehyde content in the air purified by the return air purification module 9 is lower than 0.08 mg/m ³ , and the PM2.5 filtration efficiency is 99.8%.

Both the first power unit and the second power unit are fans, and the wind rotors of the fans are cross-flow rotors, centrifugal rotors, axial-flow rotors or backward inclined rotors. The fan wheel is made of metal or plastic.

The purifier is a vertical cabinet type. Wall-mounted installation is convenient, and installation consumables are less.

Example 1

Figure 1 and Figure 2 are a schematic structural view and a side view of a cabinet-type indoor fresh air purifier, respectively. The cabinet type indoor fresh air purifier includes a housing 4, the inside of the housing 4 is divided into upper and lower parts by a heat exchange module 3, and the heat exchange module is in seamless contact with the inner wall of the housing 4; The upper part is divided into two left and right chambers through a partition: the left one chamber and the right one chamber. The upper ends of the left one chamber and the right one chamber are respectively provided with an indoor return air inlet 1 and an indoor fresh air outlet 15. A second air valve 8, a PM2.5 sensor 7 and a _CO sensor 10 are provided on the dividing plate of the left chamber, the second air valve 8 is an electric air valve, and the right chamber is provided with The return air purification module 9 and the fresh air fan 11, the return air purification module 9 is arranged near the second air valve 8, the fresh air fan 11 is connected with the fresh air outlet 15 through a volute, and the right one chamber is also provided with There is a first air valve 6; the lower part of the housing 4 is divided into two independent chambers: the second left chamber and the second right chamber, and the outdoor fresh air inlet 13 is arranged in the second left chamber, so The outdoor return air outlet 14 is located in the second right chamber, the fresh air purification module 2 is installed in the left second chamber, and the right second chamber is provided with an exhaust fan 12, which is connected to the exhaust air outlet 14 through a volute , the outdoor return air outlet (14) is equipped with a one-way valve; the heat exchange module 3 is a plurality of tubes, the plurality of tubes are arranged in a cross, and a part of the tubes can communicate with the left two chambers and the right One chamber, the remaining pipes communicate with the first chamber on the left and the second chamber on the right; an electric control box 5 is also arranged on the inner wall of the housing 4, and the electric control box 5 is connected with the first air valve 6 and the second air valve. The valve 8 is connected, the PM2.5 sensor 7 is connected with the CO ₂ sensor 10, and a display control panel 16 is also installed on the housing 4, and the display control panel 16 is connected with the electric control box 5, and the display control panel 16 Function keys are arranged on the display screen.

The fresh air purification module 2 includes a coarse-effect filter, a high-efficiency filter and an adsorption material layer, and the fresh air purification module 2 is seamlessly connected with the inner wall of the casing 4 .

The return air purification module 9 includes a high-efficiency filter, a formaldehyde purifier, a VOCs purifier, a bactericidal material layer and an adsorption material layer, and the return air purification module 9 is seamlessly connected with the inner wall of the housing 4 .

The structure of the heat exchange module 3 is shown in Figure 3, the heat exchange module 3 is provided with two heat exchange channels, the two heat exchange channels are separated by a heat transfer partition, one heat exchange channel The channel constitutes a part of the first air path, and the other heat exchange channel constitutes a part of the second flow path.

There are two working modes for air purification using the above-mentioned cabinet-type indoor fresh air purifier: an outdoor fresh air mode and an indoor return air mode.

The operation process of the outdoor fresh air mode is:

Open the first air valve 6 and close the second air valve 8 at the same time, the outdoor air enters the casing through the outdoor fresh air inlet 13, and then passes through the fresh air purification module 2, the heat exchange module 3 and the first air valve 6 in sequence, and is purified The air after heat exchange enters the room from the indoor fresh air outlet 15 through the fresh air fan 11; at the same time, the dirty air discharged from the room enters the housing 4 from the indoor return air inlet 1, and passes through the heat exchange module 3 and the outdoor fresh air inlet 13. After heat exchange, the incoming outdoor air is discharged to the outside through the exhaust fan 12 through the outdoor exhaust air outlet 14 .

The primary filtration efficiency of PM2.5 entering the indoor air after purification is 99.8%.

The operation process of the indoor return air mode is as follows:

Open the second air valve 8 and close the first air valve 6 at the same time, the indoor circulating air enters the device from the indoor return air inlet 1, and then passes through the second air valve 8, CO ₂ sensor 10, PM2.5 sensor 6 in sequence And the return air purification module 9, the air after purification and filtering enters the room from the indoor fresh air outlet 15 through the fresh air blower 11.

The formaldehyde content in the purified air is lower than 0.08mg/m ³ , and the PM2.5 filtration efficiency is 99.8%.

The cabinet-type indoor fresh air purifier adopts cabinet-type installation, which effectively solves the problems of inconvenient ceiling or wall-mounted installation such as low floor height and unstable indoor partition walls. The outdoor fresh air inlet and outdoor exhaust outlet It is arranged at the lower end of the back of the device housing, which is convenient for wall-mounted installation and requires less installation consumables.

In the utility model, two air purification modes of outdoor fresh air purification and indoor return air purification are realized through air valve control. The fresh air purification module includes a coarse-effect filter, a high-efficiency filter and an adsorption material layer. The stepped filter can effectively filter out PM2.5 and other harmful substances while ensuring the service life of the filter. The primary filter efficiency of PM2.5 is ≥99%. ; The return air purification module is aimed at the high content of formaldehyde, VOCs and bacteria in the indoor airtight environment. It is equipped with high-efficiency filters, formaldehyde purifiers, VOCs purifiers, bactericidal material layers and adsorption material layers in order to meet the indoor air. Purification requirements.

In the utility model, the dirty air exhausted from the room performs heat exchange with the outdoor air entering from the outdoor fresh air inlet 13 through the heat exchange module 3, so as to effectively preserve the indoor heat energy and temperature, and prevent excessive loss of heat energy.

The applicant declares that the above description is only a specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and those skilled in the art should understand that any skilled person in the technical field shall Within the technical scope disclosed in the new model, easily conceivable changes or replacements all fall within the scope of protection and disclosure of the present utility model.

Claims (9)

1. a New indoor wind purification device, described clearing machine comprises housing (4), described housing (4) is provided with indoor fresh air air outlet (15), indoor return air air inlet (1), outdoor new wind air inlet (13) and outdoor return air outlet (14), described housing (4) inside is provided with the first wind path being communicated with described outdoor new wind air inlet (13) and described indoor fresh air air outlet (15), described housing (4) inside is also provided with the second wind path being communicated with described indoor return air air inlet (1) and outdoor return air outlet (14), described first wind path and the second wind path are separate cavity, fresh air purifying module (2) and the first power unit is provided with in described first wind path, the second power unit is provided with in described second wind path, it is characterized in that, return air cleaning module (9) and the first air-valve (6) is also provided with in described first wind path, the second air-valve (8) is provided with in described second wind path, described second air-valve (8) is positioned at the top of the first air-valve (6), described return air cleaning module (9) is for the gas of purification from the second air-valve (8), described first wind path is communicated with by the second air-valve (8) with the second wind path, described outdoor return air outlet (14) place is provided with check valve.

2. clearing machine according to claim 1, it is characterized in that, also be provided with the heat exchange module (3) carrying out exchange heat for the first wind path and the second wind path in described housing (4), described heat exchange module (3) is arranged between described first wind path and the second wind path.

3. clearing machine according to claim 1 and 2, it is characterized in that, described housing (4) inwall is provided with electric-controlled box (5) and display control panel (16), described electric-controlled box (5) is connected with the second power unit with display control panel (16), the first air-valve (6), the second air-valve (8), the first power unit.

4. clearing machine according to claim 3, is characterized in that, described second wind path is provided with CO near indoor return air air inlet (1) place ₂sensor (10) and PM2.5 sensor (6), described CO ₂sensor (10) is all connected with electric-controlled box (5) with PM2.5 sensor (6).

5. clearing machine according to claim 1 and 2, it is characterized in that, described indoor fresh air air outlet (15) and indoor return air air inlet (1) are arranged on described housing (4) upper end, and described outdoor new wind air inlet (13) and outdoor return air outlet (14) are arranged at the bottom of described housing (4).

6. clearing machine according to claim 1 and 2, it is characterized in that, described fresh air purifying module (2) comprises low efficient filter, high efficiency particulate air filter and sorbing material layer, the screen pack of described low efficient filter and high efficiency particulate air filter applies antibacterial and mouldproof material, the inwall seamless link of described fresh air purifying module (2) and described housing (4).

7. clearing machine according to claim 1 and 2, it is characterized in that, described return air cleaning module (9) comprises high efficiency particulate air filter, purifying formaldehyde device, VOCs clarifier, sterilization material layer and sorbing material layer, the inwall seamless link of described return air cleaning module (9) and described housing (4).

8. clearing machine according to claim 1 and 2, is characterized in that, described first power unit and the second power unit are blower fan, and the wind wheel of described blower fan is tubular wine wheel, centrifugal wind wheel, axial-flow windwheel or BI wind wheel.

9. clearing machine according to claim 1 and 2, is characterized in that, described clearing machine is cabinet-type.