KR20030052630A - Air climate apparatus - Google Patents

Abstract

PURPOSE: An air conditioner is provided to efficiently remove foreign materials remaining inside a case without separating the case by connecting a connecting pipe to the case by forming at least one foreign material removing hole to the case housing a heater unit, an evaporator, and a blower unit. CONSTITUTION: An air conditioner having a case(31) housing an evaporator(32), a heater unit, and a blower unit comprises at least one foreign material removing hole(33) formed to the case with supplying a passage for removing foreign materials remaining inside the case and optionally combined with a cover member(34).

Description

Air climate apparatus

The present invention relates to an air conditioner, and more particularly, to an air conditioner having an improved structure to remove foreign substances contained in air supplied to a vehicle interior.

In general, a car air conditioner is a device for giving a comfortable feeling to the rider by maintaining the environment of the temperature and humidity and air according to various changes of the surroundings appropriately, heating device for maintaining a high temperature, and low It can be classified into a cooling device that maintains temperature.

In the interior of a car, various thermal loads from the outside are exchanged with the heat of the atmosphere while circulating the heat exchange medium by compression, condensation, expansion, and evaporation, which are common refrigeration cycles of air conditioners, to keep the indoor temperature low and maintain a comfortable temperature. Can be. On the other hand, it is also possible to maintain a high temperature in the room by using the coolant that has absorbed the heat generated from the vehicle engine to a high temperature.

A blower unit, an evaporator unit, and a heater unit of the air conditioners are mounted together in a line, and are installed on the rear of the instrument panel of the vehicle. .

The air conditioner is installed in the blower case so that the blower wheel for blowing the indoor air or the outside air of the vehicle can be rotated by the drive motor, and the evaporator case in contact with the blower case to cool the introduced air An evaporator is installed. In addition, a heater core is installed in the heater case to selectively heat the air passing through the evaporator case, and each case induces the air supplied by the blower wheel to flow in a predetermined direction. A blocking door is installed on the element element.

In the air conditioner configured as described above, the vehicle's indoor heating is performed after the heat exchange is performed while the drive motor of the blower unit supplies the air supplied from the blower to the heater core while the cooling water for cooling the engine flows to the heater core. It is made by being supplied to the room.

However, when the air conditioner is operated by placing the air conversion mode in the fresh mode so that air is supplied to the interior of the vehicle from the outside, dust or foreign matter flows from the atmosphere along the above-described air flow path. Can be. This foreign matter is accumulated inside the blower wheel of the blower unit, or the front of the evaporator. Accordingly, the operation of the blower unit is adversely affected or supplied to the room through a plurality of ducts to provide an unpleasant smell to the occupant.

This cause can be solved only by removing foreign matters accumulated in the blower unit and the evaporator unit. Therefore, the air conditioning apparatus is dismantled one by one, cleaning each unit, and has a disadvantage in that the work hassle and time to combine them again.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide an air conditioner in which a foreign material removing hole is formed to effectively remove foreign substances introduced into a blower unit or an evaporator unit.

1 is a schematic diagram schematically showing an air conditioner according to an embodiment of the present invention;

FIG. 2 is a perspective view showing the external appearance of the air conditioner of FIG. 1; FIG.

Figure 3 is an exploded perspective view showing a state in which the foreign material removal hole is formed in the case according to an embodiment of the present invention,

Figure 4 is an exploded perspective view showing a state for removing the foreign matter by connecting the connection pipe to the foreign matter removal hole of FIG.

<Brief description of symbols for main parts of the drawings>

10, 20 ... Air conditioning unit 12 ... Blower unit

13 ... heater core 14,32 ... evaporator

15 Temperature control door 16 Duct

17 Ventilation direction door 21, 31 Case

22.Where the blower wheel is located

23,25,33

24 ... Part where the evaporator is located 34 ... Cover member

41 Connector 42 Nozzle

Air conditioner according to an aspect of the present invention to achieve the above object,

An air conditioner comprising an evaporator unit, a heater unit, and a case accommodating a blower unit,

The case is formed with at least one foreign material removal hole for providing a passage for removing the foreign matter remaining in the inside to the outside, the foreign material removal hole is characterized in that the cover member is selectively coupled.

In addition, the first foreign matter removal hole is formed in the case corresponding to the evaporator front portion of the evaporator unit, characterized in that the second foreign matter removal hole is formed in the case of the blower wheel side of the blower unit.

In addition, the foreign material removal hole is projected toward the outside from the case, it is characterized in that the communication with the inside of the case.

Furthermore, in the case of removing the foreign matter,

The cover member is removed, and the foreign material remaining in the case is removed by applying a suction force from an external device while the connection pipe is connected to the foreign material removing hole.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram schematically showing an air conditioner 10 according to an embodiment of the present invention.

Referring to the drawings, the air conditioner 10 includes a case 11 connected to each part of a vehicle interior and a passage through which air flows, such as a ventilation duct or a defrost duct. A blower unit 12 installed inside the case 11 to blow air, a heater core 13 installed on the air passage to heat the air by inflow and outflow of the coolant of the engine, and a blower unit 12 Evaporator 14 for cooling the air blown from.

The heater core 13 circulates the engine and absorbs the heat generated during combustion, and the air supplied from the blower unit 12 by the heat exchange between the tube and the fan while the high temperature coolant circulates through the core 13. Pass it to supply hot air to the room. The evaporator 14 is a low-temperature low-pressure liquid refrigerant circulated in the refrigeration cycle passes through it to evaporate the refrigerant and is changed to a low-temperature low-pressure gas phase refrigerant to supply cool air to the room.

To this end, the case 11 has a temperature control door 15 that is variable so that air passing through the evaporator 14 selectively passes through the heater core 13, and the opening and closing state of each duct 16 selectively. A blowing direction adjusting door 17 for adjusting is provided.

Here, when it is positioned in the fresh mode in which air is introduced from the outside, foreign matters and the like are introduced together with the air through the air flow passage in the case 11, the air conditioner 10 has a removable foreign matter removing means It is prepared.

That is, the blower unit 12 and the evaporator 14 are formed with at least one foreign material removal hole 12a, 14a that can easily remove foreign matters from the outside without disassembling the case 11.

As shown in FIG. 2, the air conditioner 20 is equipped with a blower unit, a heater core unit, and an evaporator unit in a case 21 in a row. Each unit may be provided in each case to be combined with each other to form an air flow path, each unit may be mounted in one case 21 in place.

At least one first foreign matter removal hole 23 is installed in the portion 22 in which the blower unit is located, more precisely, in the case 21 corresponding to the portion in which the blower wheel installed in the case 21 is mounted. In addition, at least one second foreign matter removal hole 25 is also provided in the portion 24 where the evaporator unit is installed. At this time, it is preferable that the second foreign matter removal hole 25 is formed in the case 21 corresponding to the front part in which the evaporator is installed.

The foreign material removal holes 23 and 25 are protruding portions from the case 21 and are through holes so as to communicate with the inside of the case 21, and the cover member to be described later is selectively fitted.

3 illustrates an example of a case in which a foreign material removal hole is formed, and FIG. 4 illustrates a state for removing foreign matter by connecting a connection pipe to the case of FIG. 3.

3 and 4, a case 31 is provided in the air conditioner. The case may be separated into an upper case and a lower case, and the inside of the case may be equipped with an evaporator, a heater core or a blower wheel. Here, only the lower case 31 is shown, and the evaporator 32 is attached to the case 31.

The case 31 has a foreign material removal hole 33 is formed at a position corresponding to a portion where the evaporator 32 is installed, in particular, a portion corresponding to the front portion of the evaporator 32. As described above, the foreign material removing hole 33 protrudes a predetermined length from the case 33 toward the outside, and a through hole is formed at the center thereof so as to communicate with a passage through which air in the case 33 flows. have. In addition, the foreign matter removal hole 33 is normally closed by the cover member 34 to prevent the leakage of air.

If foreign matters are accumulated in the vicinity of the evaporator 32, it is necessary to remove them. In this case, as shown in FIG. 4, the connection pipe 41 is connected to the foreign matter removing hole 33 in a state where the cover member 34 closing the foreign matter removing hole 33 is removed. The connecting pipe 41 may be any material having flexibility.

In addition, the connection pipe 41 is inserted into the foreign matter opening hole to remove the foreign matter when the plurality of foreign matter removal holes are formed in the case 31, that is, when the foreign matter removal hole is formed even in the part where the blower unit is installed. It will be said that the part 41a which becomes a part becomes a plurality of branch pipes, and is inserted in each opening hole.

The other part 41b of the connection pipe 41 is sucked to remove the foreign matter accumulated in the interior of the case 31, for example, the front of the evaporator 32, or the adjacent position of the blower wheel (not shown). The nozzle 42 of the vacuum cleaner which is a removal means is connected. When a predetermined power is applied to the vacuum cleaner, the case 31 is connected to the foreign matter removing hole 33 through the connection pipe 41 to remove the foreign matter remaining in the case 31.

As described above, the air conditioner according to the present invention has the following effects.

First, since at least one foreign material removal hole is formed in the case accommodating the heater unit, the evaporator unit, and the blower unit, it is possible to remove the foreign matter remaining in the inside by connecting a connection pipe thereto without removing the case.

Second, it is easy to remove the foreign matter remaining in the case does not cause an unpleasant smell to the occupants in the car can create a comfortable indoor environment.

Third, it is possible to prevent the abnormal operation of the drive motor for operating the blower wheel by removing it from the blower wheel side where a large amount of foreign matter is accumulated.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (4)

An air conditioner comprising an evaporator unit, a heater unit, and a case accommodating a blower unit, The case has at least one foreign matter removing hole is provided to provide a passage for removing the foreign matter remaining in the inside, the foreign matter removing hole is characterized in that the cover member is selectively coupled. The method of claim 1, The first foreign matter removal hole is formed in the case corresponding to the front part of the evaporator of the evaporator unit, and the second foreign matter removal hole is formed in the case of the blower wheel side of the blower unit. The method of claim 1, The foreign matter removal hole is projected toward the outside from the case, the air conditioner, characterized in that the communication with the inside of the case. The method according to claim 1 or 2, In the case of removing the foreign matter, Removing the cover member, the air conditioner, characterized in that to remove the foreign matter remaining in the case by applying a suction force from the external device in the state connected to the connection pipe to the foreign material removal hole.