CN207674675U - Air duct with air inlet and air draft and its fresh air system using the air duct - Google Patents

Abstract

The utility model relates to an air duct with air intake and exhaust, which comprises an air duct and inner joints and outer joints respectively connected to the two ends thereof, and at least one group of air intake ducts separated by air duct partitions is arranged in the air duct. The air duct and the air exhaust duct are provided with an inner air inlet and an inner exhaust outlet on the inner joint, and the inner air inlet and the inner exhaust outlet are separated from each other by an inner partition, and an outer air inlet and an outer air outlet are set on the outer joint. The air outlet, the outer air inlet and the outer air outlet are separated from each other by the outer partition, the outer air inlet is connected with the inner air inlet through the air inlet, and the outer air outlet is connected with the inner air outlet through the air outlet Pass. The utility model also discloses a fresh air system, which includes a fresh air fan, on which the aforementioned air duct with air intake and exhaust air is used. The utility model integrates the air inlet pipe and the air exhaust pipe into the same air pipe. When the fresh air system is installed, only one hole is needed to realize the air inlet and air exhaust functions. The installation is quick and convenient, and the installation workload is reduced.

Description

Air duct with air intake and exhaust and fresh air system using the duct

technical field

The utility model belongs to the technical field of fresh air systems, in particular to an air duct with air intake and exhaust and a fresh air system using the air duct.

Background technique

The fresh air system is generally equipped with an air inlet pipe and an exhaust pipe at the same time. The air inlet pipe and the exhaust pipe of the existing fresh air system are set separately. When the fresh air system is installed, two installation holes need to be drilled on the wall of the building to Place the air inlet pipe and the air exhaust pipe separately, which increases the workload during installation and reduces the installation work efficiency. Moreover, the existing ventilation pipe needs to be installed and disassembled from the outside, which brings great difficulties to the installation and disassembly at high altitudes, and has potential safety hazards.

Utility model content

The technical problem to be solved by the utility model is to provide an air duct with air intake and exhaust and a fresh air system using the air duct, which has a compact structure, reduces the number of holes in the wall during installation, and reduces the installation workload , Doublingly improve the efficiency of installation work, and can be installed from indoors during installation and disassembly, no need to install from outdoors.

The utility model is achieved by providing an air duct with air intake and exhaust, including an air duct and inner joints and outer joints respectively connected to its two ends, and at least one set of air ducts is arranged in the air duct. The air inlet channel and the air exhaust channel separated by the pipe partition, the inner air inlet and the inner air exhaust port are set on the inner joint, and the inner air inlet and the inner air exhaust port are separated from each other by the inner partition , an outer air inlet and an outer air outlet are arranged on the outer joint, the outer air inlet and the outer air outlet are separated from each other by an outer partition, and the outer air inlet is connected to the inner air inlet through the air inlet. The air outlets communicate with each other, and the outer air outlet communicates with the inner air outlet through an air exhaust channel.

Further, the inner air outlet and the outer air outlet are arranged in the upper half of the air duct, and the inner air inlet and the outer air inlet are arranged in the lower half of the air duct.

Further, the outer air inlet is bent downward and away from the outer air outlet.

Further, an air intake filter grille is also provided on the outer air inlet.

Further, an exhaust filter grill is also set on the outer air outlet.

Further, the external dimensions of the external joint are not larger than the external dimensions of the air duct.

The utility model also discloses a fresh air system, which includes a fresh air fan, on which the air duct with air inlet and air exhaust as mentioned above is used.

Further, the inner joint of the air duct is connected with the fresh air blower, the inner air inlet is connected with the air intake pipe of the fresh air blower, the inner air exhaust port is connected with the exhaust air pipe of the fresh air blower, and the air flow of the air duct is The pipe extends through the wall of the building to the outside, and the external joint is installed outside.

Further, the new fan includes an air intake filter, an air intake filter, a primary filter, a heat exchanger, a double-impeller intake and exhaust fan, a high-efficiency filter, and a heat exchanger filter. The air duct of the wind is installed at the back of the new fan.

Further, the outdoor fresh air enters the air intake pipe of the fresh fan after passing through the external air inlet, the air inlet channel and the inner air inlet, and then passes through the air intake filter, the air intake filter, the primary filter, and the heat exchanger in sequence. The air intake and exhaust fan on the top of the new fan is discharged into the room from the air inlet and outlet on the top of the fresh fan after the double-impeller intake and exhaust fan, and the high-efficiency filter; the dirty air in the room enters the fresh fan through the exhaust inlet of the fresh fan, and passes through the heat exchanger filter, After the heat exchanger and the double-impeller inlet and exhaust fan, the exhaust pipe arranged on the back of the double-impeller inlet and exhaust fan enters the air duct downward from the inner exhaust port, and then is discharged to the outside through the exhaust duct and the outer exhaust port.

Compared with the prior art, the utility model has an air inlet and an exhaust air duct and a fresh air system using the air duct, and integrates the air inlet pipe and the air exhaust pipe into the same air pipe, so that the fresh air system During installation, only one hole needs to be drilled to realize the air intake and exhaust functions. The installation is quick and convenient, which reduces the installation workload and doubles the installation work efficiency. Moreover, the wind blowing rate between the air intake and the exhaust air is small.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a preferred embodiment of the air duct of the present utility model;

Fig. 2 is a schematic perspective view of another angle of Fig. 1;

Fig. 3 is A-A sectional schematic diagram among Fig. 1;

Fig. 4 is the schematic plan view of the fresh air system of the present utility model;

Fig. 5 is a schematic cross-sectional view of B-B in Fig. 4 .

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1, Fig. 2 and Fig. 3 at the same time, the preferred embodiment of the air duct with air intake and exhaust of the present utility model includes an air pipe 1 and inner joints 2 and 2 respectively connected to its two ends. External joint 3. The external dimensions of the external joint 3 are not larger than the external dimensions of the air duct 1 .

At least one set of air inlet channels 5 and air exhaust channels 6 separated by air duct partitions 4 are arranged in the air duct 1 . An inner air inlet 21 and an inner air outlet 22 are provided on the inner joint 2 , and the inner air inlet 21 and the inner air outlet 22 are separated from each other by an inner partition 23 . The outer joint 3 is provided with an outer air inlet 31 and an outer air outlet 32 , and the outer air inlet 31 and the outer air outlet 32 are separated from each other by an outer partition 33 . The outer air inlet 31 communicates with the inner air inlet 21 through the air inlet 5 , and the outer air outlet 32 communicates with the inner air outlet 22 through the air outlet 6 .

The inner air outlet 22 and the outer air outlet 32 are arranged in the upper half of the air duct, and the inner air inlet 21 and the outer air inlet 31 are arranged in the lower half of the air duct. The outer air inlet 31 is bent downward and away from the outer air outlet 32 . Effectively reduce the channeling rate between the air intake and exhaust.

An air inlet filter grille 34 is also arranged on the outer air inlet 31 . An exhaust filter grille 35 is also arranged on the outer air outlet 32 .

Please refer to Fig. 1, Fig. 2, Fig. 4 and Fig. 5 at the same time, a fresh air system of the present utility model includes a fresh air blower 7, on which the fresh air blower with air intake and discharge as mentioned above is used. Wind channel.

The inner joint 2 of the air passage is connected with the fresh air blower 7, the inner air inlet 21 is communicated with the air intake pipe of the fresh air blower 7, the inner air exhaust port 22 is communicated with the exhaust air pipe of the fresh air blower 7, and the air outlet 22 is connected with the fresh air blower 7. The air pipe 1 of the road extends to the outside through the wall of the building, and the external joint 3 is installed outside.

In this embodiment, the fresh air machine 7 includes an air intake filter 71, an air intake filter 72, an initial effect filter 73, a heat exchanger 74, a double impeller air intake fan 75, a high efficiency filter 76 and a heat exchanger filter 77. The air duct with air intake and exhaust is installed on the back side of fresh fan 7 .

As shown by the solid line arrows in Figure 4 and Figure 5, the outdoor fresh air enters the air intake pipe of the fresh fan 7 after passing through the outer air inlet 31, the air inlet duct and the inner air inlet 21, and then passes through the air inlet filter in sequence upwards. Net 71, air intake filter 72, primary effect filter 73, heat exchanger 74, double impeller intake and exhaust fan 75, high efficiency filter 76 are discharged into the room from the intake outlet 78 at the top of the fresh air blower 7, and the outdoor fresh air passes through Purify and discharge the air to enter the room after the heat exchanger 74 realizes the cold and heat exchange.

As shown by the dashed arrows in Fig. 4 and Fig. 5, the dirty air in the room enters into the fresh air fan 7 through the exhaust inlet 79 on the right side of the fresh air fan 7, and passes through the heat exchanger filter 77, heat exchanger 74, After the double-impeller air inlet and exhaust fan 75, enter the air duct from the inner exhaust port 22 downwards from the exhaust duct arranged on the back of the double-impeller air exhaust fan 75, and then discharge to the outside through the exhaust air duct 6 and the outer air exhaust port 32 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. a kind of air duct with air inlet and air draft, which is characterized in that including air hose and be connected in its both ends One group of air inlet duct and exhausting duct separated by air hose partition board is at least arranged, described interior in connector and coupling in the air hose Interior air inlet and interior exhaust outlet are provided on connector, it is mutually isolated by internal partition between the interior air inlet and interior exhaust outlet Open, in the coupling be provided with external air inlet port and outer exhaust outlet, between the external air inlet port and outer exhaust outlet by outside every Plate is isolated from each other, and the external air inlet port is connected by air inlet duct with interior air inlet, the outer exhaust outlet by exhausting duct with Interior exhaust outlet is connected.

2. the air duct with air inlet and air draft as described in claim 1, which is characterized in that the interior exhaust outlet and outer exhaust outlet Top half in air duct is set, and the interior air inlet and external air inlet port are arranged in the lower half portion in air duct.

3. the air duct with air inlet and air draft as claimed in claim 2, which is characterized in that the external air inlet port be bent downwardly and Far from outer exhaust outlet.

4. the air duct with air inlet and air draft as described in claim 1, which is characterized in that also set up in the external air inlet port Air inlet filtering fence.

5. the air duct with air inlet and air draft as described in claim 1, which is characterized in that also set up on the outer exhaust outlet Fence is filtered in air draft.

6. the air duct with air inlet and air draft as described in claim 1, which is characterized in that the appearance and size of the coupling is not More than the appearance and size of air hose.

7. a kind of fresh air system, including new wind turbine, which is characterized in that in having been used such as claim 1 to 5 on the new wind turbine The air duct with air inlet and air draft described in any one.

8. fresh air system as claimed in claim 7, which is characterized in that the nipple in the air duct is connect with new wind turbine, described Interior air inlet is connected to the blast pipe of new wind turbine, and the interior exhaust outlet is connected to the exhaust duct of new wind turbine, the air hose in the air duct Outdoor is extended to across the wall of building, the coupling is mounted on outdoor.

9. fresh air system as claimed in claim 8, which is characterized in that the new wind turbine includes inlet air filtration net, air inlet filtering Device, primary filter, heat exchanger, bilobed wheel into exhaust blower, high efficiency particulate air filter and heat exchanger filter, it is described have into The air duct of wind and air draft is mounted on the back side of new wind turbine.

10. fresh air system as claimed in claim 9, which is characterized in that outdoor fresh air passes through external air inlet port, air inlet duct Enter in the blast pipe of fresh air machine with after interior air inlet, then passes through inlet air filtration net successively upwards, air intake filter, just imitated Filter, heat exchanger, bilobed wheel from the air inlet outlet at the top of new wind turbine into being discharged to interior after exhaust blower, high efficiency particulate air filter；Room Interior foul atmosphere is entered by the exhaust inlet port of new wind turbine in new wind turbine, is handed over successively through over-heat-exchanger filter, heat Parallel operation, bilobed wheel enter from interior exhaust outlet downwards into after exhaust blower from the discharge duct being arranged at bilobed wheel into the exhaust blower back side In air duct, using being discharged to outdoor after exhausting duct, outer exhaust outlet.