JPH0968325A - Method and apparatus for disassembling room unit of waste air conditioning equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable saving of labor in the removal of a condenser in the disassembling of a room unit of discarded air conditioning equipment. SOLUTION: In the disassembling of a room unit 10 of an air conditioning equipment which has a condenser 1 arranged on the front in a case body 5, a fan 2 arranged on the rear side of the condenser 1 within the case body, a fan motor 3 arranged on one side in the case body where a spindle is linked to the fan and a base plate 7 provided on the front side of the fan motor within the case body, both side ends of the condenser 1 from the front or the rear of the case body 5 while the spindle of the fan motor 3 is fixed to recover the condenser 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic dismantling method and a dismantling apparatus for dismantling an indoor unit of a discarded air conditioner in order to recover valuable resources from the indoor unit.

[0002]

2. Description of the Related Art An indoor unit of an air conditioner is mainly composed of a housing, a condenser, a fan and a fan motor, and a board on which electronic components are mounted. The discarded indoor unit is directly landfilled, Alternatively, after crushing, only iron was recovered, and the other than iron was generally landfilled. However, there is a problem that the fan motor of the indoor unit is particularly difficult to be crushed and that the dust to be landfilled contains harmful substances. Moreover, since only iron is recovered, it is necessary to increase the recovery rate of non-ferrous metals and non-metals.

Therefore, it has been attempted to improve the recycling rate by dismantling the indoor unit without uniformly crushing.

[0004]

However, household electrical appliances such as indoor units of air conditioners to be discarded are remarkably diverse in year and model. Therefore, when dismantling, various general-purpose tools such as drivers and spanners are used. I had no choice but to do it manually. Therefore, it is necessary to confirm the screwing position and size for each model year and model, and there is a problem that the disassembling work takes time. Among them, since the condensers provided in the indoor unit have various fixing methods, the work of recognizing and fixing the fixing point for each product is extremely complicated.

The present invention has been made in view of the above problems of the prior art, and in dismantling an indoor unit of a discarded air conditioner, the dismantling method which can save labor for removing the condenser. And to provide a dismantling device.

[0006]

In order to achieve the above object, a method for disassembling an indoor unit of a waste air conditioner according to the present invention comprises a condenser arranged in front of a casing, and the condensation inside the casing. A fan disposed on the back side of the container, a fan motor having a main shaft connected to the fan and disposed on one side of the housing, and a substrate disposed on the front side of the fan motor inside the housing. In disassembling the indoor unit of the air conditioner having, while fixing the main shaft of the fan motor, both side ends of the condenser are cut from the front surface or the rear surface of the housing, and the condenser is recovered. .

Since the central portion of the condenser disposed on the front surface of the housing is a heat exchange portion composed of a refrigerant pipe and heat radiation fins, the condenser is generally fixed to the housing at both ends thereof. Therefore, in the method for disassembling the indoor unit of the waste air conditioner of the present invention, in view of the fact that the condenser and the fan are arranged so as to overlap with the front surface and the back surface of the housing, first, the fan motor is prevented from rotating by the cutter. With both main shafts fixed, cut both ends of the condenser from the front or back of the housing. As a result, the central part of the condenser is separated from the housing, so that it can be easily recovered. In the air conditioner indoor unit, there are various fixing methods for the condenser, so it is extremely complicated to recognize the fixing point for each product and remove it with a tool such as a screwdriver. If both ends of the air conditioner are cut off, the main part of the condenser can be easily recovered, and as a result, the dismantling work of the indoor unit of the air conditioner can be shortened. Note that copper and aluminum are recovered from the taken-out main part of the condenser and used for recycling.

In order to achieve the above object, the dismantling apparatus for an indoor unit of a waste air conditioner according to the present invention comprises a condenser arranged in the front surface of the housing and a rear side of the condenser in the housing. An air conditioner having a fan arranged in the housing, a fan motor having a main shaft connected to the fan and arranged on one side of the housing, and a substrate provided on the front side of the fan motor in the housing. In a dismantling device for an indoor unit of a waste air conditioner that dismantles an indoor unit of, including positioning means for fixing the front surface of the housing upward at a predetermined reference point, and the condenser in a state of being fixed by the positioning means. A camera for imaging the front surface of the housing, a fixing means for fixing the main shaft of the fan motor in a state of being fixed by the positioning means, and a front surface of the housing for fixing the main shaft of the fan motor. A cutter that cuts the indoor unit substantially vertically and a control unit that controls the cutting position of the cutter based on the imaging data detected by the camera are provided.

According to the disassembling apparatus of the present invention thus constructed, the front surface of the housing including the condenser is imaged by using the camera, and the positions of both side ends of the condenser are obtained based on the imaged data. While the main shaft of the fan motor is fixed by the fixing means, both ends of the condenser can be cut by the cutter.

The remaining objects to be disassembled after recovering the main part of the condenser from the indoor unit of the waste air conditioner can be easily separated into a housing, a fan motor, a substrate, and the like. And copper are recovered and used for recycling, and the resins from the housing and substrate are recovered by thermal decomposition, such as oil, gas, and carbide, and used for fuel, and the metals are recycled. To be done.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1A is a side view showing a dismantling device for an indoor unit of a waste air conditioner according to an embodiment of the present invention, FIG. 1B is a plan view of the same, and FIG. 2 is a waste according to an embodiment of the present invention. FIG. 3 is a flowchart showing a main part of a dismantling method of an indoor unit of an air conditioner, and FIG. 3 is a flowchart showing an entire dismantling method of an indoor unit of a waste air conditioner according to an embodiment of the present invention.

The indoor unit 10 of the air conditioner used in the present embodiment constitutes a part of the refrigerating cycle and performs heat exchange with air to cool the air (also referred to as a heat exchanger). ), A fan 2 for blowing air to the condenser 1, a fan motor 3 for rotating the fan 2, and a substrate 4 for controlling the air conditioner. In a general indoor unit 10, the above-described various components 1 to 4 are housed in a rectangular parallelepiped housing 5,
Usually, as shown in FIG. 1A, the condenser 1 is provided on the front surface of the housing 5, and the fan 2 is provided on the rear surface of the condenser 1. Since the fan 2 is formed to extend in the longitudinal direction of the condenser 1, the fan motor 3
Is provided on the back side of the condenser 1 and on the side of the fan 2. The board 4 on which electronic circuits and the like are mounted is a housing 5.
It is arranged on the side of the condenser 1, which is an empty space inside. Further, the housing 5 is configured such that the front panel 5a can be easily removed in order to facilitate daily maintenance.

1A and 1B show a dismantling apparatus 1 for an indoor unit of a waste air conditioner according to this embodiment.
00 is a side view and a plan view showing 00, and a conveyor 1 for conveying the indoor unit 10 of the discarded air conditioner.
01, a positioning device 102 for positioning the carried-in indoor unit 10 at a predetermined reference position L, and a conveyor 10
It has a CCD camera 103 provided on the upper part of the indoor unit 10 carried in 1 and a cutting machine 104 such as a band saw.

The conveyor 101 conveys the indoor unit 10 of the waste air conditioner stored in a stocker (not shown) to the processing step with its front face facing upward, and the positioning device 102 provided in this processing step moves the indoor unit 10 into place. The reference position L for processing by clamping
The indoor unit 10 is fixed to. Since the CCD camera 103 is provided above the conveyor 101 provided with the positioning device 102, the indoor unit 1 clamped and fixed
0 can be imaged from the front. In particular, since the main purpose of the present embodiment is to collect the condenser 1, the object to be imaged by the CCD camera 103 is mainly the condenser 1, and the image including the condenser 1 is sent to the control means 105. It is taken in and displayed on the monitor 106 or the like, and the cutting positions P at both ends of the condenser 1 are determined. Cutting machine such as band saw 104
Is configured to cut a desired position of the indoor unit 10 positioned in the processing step substantially vertically, and sends cutting position information determined from the image of the CCD camera 103 to the cutting machine 104 from the control means 105. Then, the cutting process is performed at this position. In addition, "107" is a fixing means for preventing the rotation of the main shaft of the fan motor 3, and is provided so as to be able to move toward and away from the indoor unit 10 positioned in the processing step.

Next, a procedure for disassembling the indoor unit 10 of the air conditioner described above using the disassembling apparatus 100 will be described with reference to FIG. First, FIG.
As shown in (A), the housing 5 is mounted on the conveyor 101 with the front surface facing upward, and after being conveyed to a predetermined reference position L,
The front panel 5a of the housing 5 is removed.

Next, after fixing the indoor unit 10 to the reference position L by the positioning device 102, an image of the front surface of the indoor unit 10 is fetched from the CCD camera 103 to the control means 105 and displayed on the monitor 106. Based on this image, the most suitable cutting position is determined from the positions where the condenser 1 and the fan motor 2 are arranged, and the cutting information is sent from the control means 105 to the cutting machine 104. In this case, the optimal cutting position may be determined using the database 108 that stores the year and model of the indoor unit 10.

In response to a signal from the control means 105, the cutting machine 104 moves the cutter to the instructed position and cuts the housing from the front of the indoor unit 10 substantially vertically, but before this, the rotation of the fan 2 is blocked. Then, the fixing means 107 is pressed against the main shaft of the fan motor 3.

In the present embodiment, the most suitable cutting positions P are both ends of the condenser 1. This is because the central part of the condenser 1 is a heat exchange part composed of a refrigerant pipe and a heat radiation fin, and it is common to fix the heat exchange part to the housing 5 at both ends thereof. When the both ends of the condenser 1 are cut in this way, the fixation of the condenser 1 is released, so the condenser 1 is taken out by hand or by a robot and conveyed to the stocker.

After the condenser 1 is taken out, the substrate 4 and the fan motor 3 are taken out by hand and separated from each other. Then, as shown in FIG. 3, the separated condenser 1
Uses a processing device to recover copper and aluminum for recycling. Further, iron and copper are recovered from the fan motor 3 to be recycled, and the resins from the housing 5 and the substrate 4 are recovered as oil, gas, and carbide by thermal decomposition or the like to be used as fuel, and metals are also used. Will be recycled.

[0020]

EXAMPLES Next, the present invention will be explained based on more concrete examples. As the cutter 104, a band saw type cutting robot having a thickness of 0.9 mm × 13 mm width × 420
A cutting blade having a length of 0 mm provided at 14 pitches (the number of cutting edges per 25.4 mm) was used. Cutting conditions are peripheral speed 30
It was 0 mm / min.

Further, as the CCD camera 103, one having an effective pixel number of 380,000 pixels (768 (H) × 498 (V)) and a horizontal resolution of 570 TV lines was used. Control means 105
The image processing system used was a grayscale image processing / binary image processing system. The resolution was 512 × 480 pixels.

When the waste air conditioner indoor unit was actually disassembled by using the above-mentioned device by the method described in the above embodiment, the heat exchanger 1, the motor 3, the fan 2, the substrate 4, and the housing 5 were disassembled. Could be easily separated. The present invention is not limited to the above-described embodiments and examples, but can be variously modified within the scope of the present invention.

[0023]

As described above, according to the present invention, since both ends of the condenser are cut from the front surface or the back surface of the housing while fixing the main shaft of the fan motor, it is most suitable for dismantling the indoor unit of the air conditioner. It is possible to easily collect the condenser that involves complicated work. as a result,
It is possible to shorten the dismantling work of the indoor unit of the air conditioner.

[Brief description of drawings]

FIG. 1A is a side view showing a dismantling device for an indoor unit of a waste air conditioner according to an embodiment of the present invention,
(B) is a plan view.

FIG. 2 is a flowchart showing a method for disassembling an indoor unit of a waste air conditioner that is an embodiment of the present invention.

FIG. 3 is a flowchart showing an overall method for disassembling an indoor unit of a waste air conditioner that is an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Condenser (heat exchanger) 2 ... Fan 3 ... Fan motor 4 ... Substrate 5 ... Enclosure 10 ... Air conditioner indoor unit 100 ... Dismantling device 101 ... Conveyor 102 ... Positioning device 103 ... CCD camera 104 ... Cutting machine 105 ... Control means 107 ... Fixing means

Claims (2)

[Claims] 1. A condenser arranged on the front surface of the housing, a fan arranged on the rear surface side of the condenser in the housing, and a main shaft connected to the fan on one side of the housing. In disassembling an indoor unit of an air conditioner having a fan motor provided and a substrate provided on the front surface side of the fan motor in the housing, while fixing the main shaft of the fan motor, the front surface of the housing Alternatively, a method for disassembling an indoor unit of a waste air conditioner, characterized in that both ends of the condenser are cut from the back surface and the condenser is recovered. 2. A condenser arranged on the front surface of the housing, a fan arranged on the rear surface side of the condenser in the housing, and a main shaft connected to the fan on one side of the housing. In a dismantling apparatus for an indoor unit of a waste air conditioner that disassembles an indoor unit of an air conditioner having a fan motor provided and a substrate provided on the front surface side of the fan motor in the housing, the front surface of the housing is Positioning means for upwardly fixing to a predetermined reference point, a camera for imaging the front surface of the housing including the condenser in a state of being fixed by the positioning means, and the fan motor in a state of being fixed by the positioning means. Fixing means for fixing the main shaft of the, a cutter for cutting the indoor unit substantially vertically from the front surface of the housing, and based on the imaging data detected by the camera Disassembling apparatus of an indoor unit of the waste air conditioner characterized by comprising a control means for controlling the cutting position of the cutter.