CN211977181U

CN211977181U - Drying equipment for heat exchanger of aircraft air conditioner

Info

Publication number: CN211977181U
Application number: CN201922404791.5U
Authority: CN
Inventors: 胡子凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-11-20
Anticipated expiration: 2029-12-27

Abstract

An aircraft air conditioner heat exchanger drying device comprises an exchanger main body and a control unit for controlling the whole device, wherein the exchanger main body comprises a shell, a total heat exchange device, an air supply fan and an air exhaust fan, wherein the total heat exchange device, the air supply fan and the air exhaust fan are arranged in the shell; the equipment has the technical key points that the equipment realizes the free switching of heat exchange operation and drying operation, and can carry out regular cleaning and drying operation so as to ensure the long service life of the whole equipment and further achieve the expected use effect; the heating net unit and the branch air pipe are used in a combined mode, when the fan in the exchanger main body is controlled to perform reverse operation, indoor air can pass through the heating net unit and then perform drying operation on the inside of the exchanger main body, and meanwhile partial heated air passes through the branch air pipe to perform drying operation on the outside of the exchanger main body, so that the cleaning efficiency of the whole device is improved.

Description

Drying equipment for heat exchanger of aircraft air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, specifically an aircraft air conditioner heat exchanger drying equipment.

Background

An air conditioner, i.e., an air conditioner, is an apparatus for manually adjusting and controlling parameters such as temperature, humidity, cleanliness, flow rate, and the like of ambient air in a building/structure. For the heat exchanger of the air conditioner on the plane, cleaning and drying operations need to be carried out at regular time, and the existing cleaning and drying operations have the following problems: firstly, the disassembled air-conditioning heat exchanger is cleaned by using an external water spray head and a drying room, and the use is troublesome; secondly, more energy is needed when the drying room is used, thereby causing more energy consumption.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide an aircraft air conditioner heat exchanger drying equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an aircraft air conditioner heat exchanger drying device comprises an exchanger main body and a control unit for controlling the whole device, wherein the exchanger main body comprises a shell, a total heat exchange device, an air supply fan and an air exhaust fan, wherein the total heat exchange device, the air supply fan and the air exhaust fan are arranged in the shell;

the air conditioner comprises an exchanger body, and is characterized in that an air supply pipe and an exhaust pipe are respectively arranged at the upper end and the lower end of one side of the outer shell, an air return pipe and an air inlet pipe are respectively arranged at the upper end and the lower end of the other side of the outer shell, a bottom box is movably arranged at the bottom of the outer shell, heating net units used for heating air are respectively arranged in the middle of the air supply pipe, a branch air pipe is arranged at the position, corresponding to the exchanger body, of the surface of one end of the air supply pipe, and.

Preferably, the air supply fan and the air exhaust fan are both arranged inside the exchanger main body and respectively correspond to the pipe orifices of the return air pipe and the air exhaust pipe.

Preferably, the cross section of the branch pipe is L-shaped, a plurality of through holes formed in the lower surface of the branch pipe correspond to the upper surface of the shell, and a second valve is arranged at a position where one end of the branch pipe is communicated with the blast pipe.

Preferably, the cross-section of end box is the isosceles trapezoid of invering, and the lower surface symmetric welding of shell has two sets of openings, the opening is the round platform form of invering, and the surface of opening is provided with first valve.

Preferably, the filtering unit comprises a humidifying pump arranged on the upper surface of the air inlet pipe, a sleeve fixedly sleeved at one end inside the air inlet pipe, and a wet film and an activated carbon net arranged in the sleeve, and the humidifying pump is connected with the wet film through a pipeline.

Preferably, the valve unit, the heating net unit and the filtering unit are all connected with the control unit through setting wires, and the valve unit comprises a first valve and a second valve.

Compared with the prior art, the utility model provides an aircraft air conditioner heat exchanger drying equipment has following beneficial effect:

firstly, use this equipment to realize the free switching of heat exchange operation and stoving operation, can carry out regular washing stoving operation to guarantee the permanent life of whole equipment, thereby reach anticipated result of use.

Secondly, the heating net unit and the branch air pipe are combined for use, when the fan in the exchanger main body is controlled to perform reverse operation, indoor air can pass through the heating net unit and then perform drying operation on the inside of the exchanger main body, and meanwhile, partial heated air performs drying operation on the outside of the exchanger main body through the branch air pipe, so that the cleaning efficiency of the whole equipment is improved.

Thirdly, the filtering unit is used, and when heat exchange operation is carried out, the humidifying pump continuously carries out humidifying operation on the wet film, so that secondary filtering of the outside air is realized; when the drying operation is carried out, the humidifying pump can work in a reversible way, and the moisture intercepted and dried on the surface of the wet film is absorbed, so that the discharge of the redundant moisture is avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the internal structure of the exchanger body of the present invention;

fig. 3 is an electric control flow chart of the present invention.

Reference numerals: 1. an exchanger body; 101. a housing; 102. a total heat exchange device; 103. an air supply fan; 104. an exhaust fan; 2. an air supply pipe; 3. an exhaust duct; 4. a return air duct; 5. an air inlet pipe; 6. a bottom case; 7. a bronchus; 8. a heating mesh unit; 9. a filtration unit; 91. a humidifying pump; 92. wet film forming; 93. an activated carbon mesh; 10. a port; 11. a first valve; 12. a second valve.

Detailed Description

The following description will further describe a specific embodiment of the drying device of the heat exchanger of the air conditioner of the aircraft according to fig. 1. The utility model relates to an aircraft air conditioner heat exchanger drying equipment is not limited to the description of following embodiment.

Example 1:

as shown in fig. 1 to 3, the heat exchanger includes an exchanger main body 1 and a control unit for controlling the whole apparatus, the exchanger main body 1 includes a casing 101, a total heat exchange device 102 installed in the casing 101, a supply fan 103, and an exhaust fan 104;

the upper end and the lower end of one side of the shell 101 are respectively provided with an air supply pipe 2 and an exhaust pipe 3, the upper end and the lower end of the other side of the shell 101 are respectively provided with an air return pipe 4 and an air inlet pipe 5, the bottom of the shell 101 is movably provided with a bottom box 6, the middle part of the air supply pipe 2 is provided with a heating net unit 8 for heating air, the surface of one end of the air supply pipe 2 is provided with a branch air pipe 7 at a position corresponding to the exchanger main body 1, and the middle part of the air inlet pipe 5 is provided with a filtering.

The device realizes free switching between heat exchange operation and drying operation, and can be used for cleaning and drying operation regularly to ensure long service life of the whole device, thereby achieving expected use effect.

As shown in fig. 1, the supply fan 103 and the exhaust fan 104 are both disposed inside the exchanger body 1 and correspond to the mouths of the return duct 4 and the exhaust duct 3, respectively.

As shown in fig. 1, the cross section of the branch pipe 7 is "L" shaped, and a plurality of through holes opened on the lower surface of the branch pipe 7 correspond to the upper surface of the casing 101, and a second valve 12 and a micro-fan for supplying air are arranged at a position where one end of the branch pipe 7 is communicated with the blast pipe 2.

Here, the heating net unit 8 and the branch air pipe 7 are used in combination, when the fan in the exchanger main body 1 is controlled to perform reverse operation, indoor air can pass through the heating net unit 8 and then dry the inside of the exchanger main body 1, and meanwhile, partial heated air passes through the branch air pipe 7 and performs drying operation on the outside of the exchanger main body 1, so that the cleaning efficiency of the whole equipment is improved.

As shown in fig. 2, the cross section of the bottom case 6 is an inverted isosceles trapezoid, two sets of through openings 10 are symmetrically welded on the lower surface of the outer case 101, the through openings 10 are in an inverted circular truncated cone shape, and the surface of the through openings 10 is provided with the first valve 11.

Specifically, when carrying out the clean operation of drying, accessible the control unit control first valve 11 is opened to make the dust or the water droplet on the component surface in shell 101 inner wall and the shell 101 enter into end box 6 through opening 10 and collect owing to the effect of gravity, accomplish at the clean operation of drying, can dismantle end box 6, take out the debris of collecting in the end box 6, assemble the bottom of shell 101 again and use.

Example 2:

as shown in fig. 1, the filtering unit 9 includes a humidifying pump 91 installed on the upper surface of the air inlet pipe 5, a sleeve fixedly sleeved on one end inside the air inlet pipe 5, and a wet film 92 and an activated carbon net 93 arranged inside the sleeve, wherein a pipeline is arranged between the humidifying pump 91 and the wet film 92.

The filter unit 9 is used, and when the heat exchange operation is carried out, the humidifying pump 91 continuously carries out the humidifying operation on the wet film 92, so that the secondary filtration of the outside air is realized; when the drying operation is performed, the humidifying pump 91 can reversely operate to absorb the moisture intercepted and dried on the surface of the wet film 92, so that the excessive moisture is prevented from being discharged.

As shown in fig. 3, the valve unit, the heating net unit 8 and the filtering unit 9 are all connected with the control unit through setting wires, and the valve unit includes a first valve 11 and a second valve 12.

Here, the control unit comprises a PLC controller, model CPU226, rated at 24V, which is self-programming programmable.

When heat exchange operation is carried out, outdoor air enters from the air inlet pipe 5, indoor air enters from the air return pipe 4, and two air flows respectively supply air to the indoor from the air supply pipe 2 and exhaust air to the outdoor from the air exhaust pipe 3 after entering the exchanger main body 1 for heat exchange treatment, wherein the specific process of the heat exchange operation is not repeated;

when the drying operation is carried out, after the whole heat exchanger is washed by water spraying, the air supply fan 103 is enabled to rotate reversely under the control action of the control unit, at the moment, the fan on the surface of the branch air pipe 7 and the second valve 12 are opened simultaneously, the indoor air passes through the heating net unit 8 and then is dried inside the exchanger main body 1, meanwhile, the air after being partially heated is dried outside the exchanger main body 1 through the branch air pipe 7, then dried water vapor is discharged through the air inlet pipe 5, at the moment, the humidifying pump 91 carries out reverse operation under the control of the control unit, the water vapor intercepted and dried on the surface of the wet film 92 is sucked, the excessive water vapor is prevented from being discharged, and finally, the air is discharged to the outside.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An aircraft air conditioning heat exchanger drying apparatus comprising an exchanger body (1) and a control unit for controlling the entire apparatus, characterized in that: the exchanger main body (1) comprises a shell (101), a total heat exchange device (102) arranged in the shell (101), an air supply fan (103) and an air exhaust fan (104);

the air purifier is characterized in that an air supply pipe (2) and an exhaust pipe (3) are respectively arranged at the upper end and the lower end of one side of the shell (101), an air return pipe (4) and an air inlet pipe (5) are respectively arranged at the upper end and the lower end of the other side of the shell (101), a bottom box (6) is movably arranged at the bottom of the shell (101), heating net units (8) used for heating air are respectively arranged at the middle parts of the air supply pipe (2), a branch air pipe (7) is arranged at the position, corresponding to the exchanger body (1), of one end surface of the air supply pipe (2), and a filtering unit (9) used for filtering air is arranged at the middle part of.

2. An aircraft air conditioning heat exchanger drying apparatus as claimed in claim 1, wherein: the air supply fan (103) and the air exhaust fan (104) are both arranged inside the exchanger main body (1) and respectively correspond to the orifices of the return air pipe (4) and the exhaust air pipe (3).

3. An aircraft air conditioning heat exchanger drying apparatus as claimed in claim 1, wherein: the cross section of the branch air pipe (7) is L-shaped, a plurality of through holes formed in the lower surface of the branch air pipe (7) correspond to the upper surface of the shell (101), and a second valve (12) and a micro fan for supplying air are arranged at the position where one end of the branch air pipe (7) is communicated with the air supply pipe (2).

4. An aircraft air conditioning heat exchanger drying apparatus as claimed in claim 1, wherein: the cross-section of end box (6) is the isosceles trapezoid of invering, and the lower surface symmetrical weld of shell (101) has two sets of openings (10), opening (10) are the round platform form of invering, and the surface of opening (10) is provided with first valve (11).

5. An aircraft air conditioning heat exchanger drying apparatus as claimed in claim 1, wherein: the filter unit (9) is including installing humidification pump (91) at air-supply line (5) upper surface, fixed suit in the sleeve of the inside one end of air-supply line (5) and setting up wet membrane (92) and activated carbon net (93) in the sleeve, set up the pipe connection between humidification pump (91) and wet membrane (92).

6. An aircraft air conditioning heat exchanger drying apparatus as claimed in claim 1, wherein: the valve unit, the heating net unit (8) and the filtering unit (9) are all connected with the control unit through setting wires, and the valve unit comprises a first valve (11) and a second valve (12).