JPH10274421A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to clean and wash an air cleaning unit, which is equipped on an air conditioner, and secure safety to a satisfactory extent wen executing cleaning work. SOLUTION: An air conditioner 900 is provided with a front panel 510 removable mounted on an air conditioner main body 500. An air cleaning unit 100 is removably mounted on the rear surface of the front panel 510. With the front panel 510 mounted on the air conditioner main body 500, a power receiving terminal 111 of the air cleaning unit 100 comes in contact with a power supply terminal mounted on the air conditioner main body 500 and voltage is supplied to the air cleaning unit 100 by way of the power supply terminal. On one hand, when the front panel 510 is removed from the air conditioner main body 500, the power receiving terminal 111 of the air conditioner main body 500 is separated from the power supply terminal of the air conditioner main body 500. In this state, no voltage is applied to the air cleaning unit 100.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner having a structure in which a front panel is detachably attached to an air conditioner main body, and has a function of collecting dust and the like contained in room air. Related to air conditioners.

[0002]

2. Description of the Related Art An air conditioner of this type is conventionally provided with an air purifying unit having a built-in discharge electrode and dust collecting electrode, and a high-voltage power supply unit for generating a voltage to be supplied to the air purifying unit. The cleaning unit and the high-voltage power supply unit are provided on the air conditioner body side.

[0003]

However, in the case of the above conventional example, since the air purifying unit is completely fixed to the air conditioner body, it is not easy for the user to clean and clean the air purifying unit. As a result, the air purifying unit cannot be frequently cleaned or the like, so that the original air purifying ability is not sufficiently exhibited. Although it is not impossible to remove the air purifying unit from the air conditioner body, there is no danger of electric shock when removing the air purifying unit as long as the air purifying unit is electrically connected to the high-voltage power supply unit. I can't say it, and the problem remains in terms of safety.

The present invention has been made in view of the above background, and an object of the present invention is to enable easy cleaning and cleaning of an air purifying unit, and to improve safety in performing cleaning and the like. An object of the present invention is to provide an air conditioner that can be sufficiently secured.

[0005]

The air conditioner according to the present invention has a basic structure in which a front panel is detachably attached to an air conditioner main body. An air purifying unit provided on the back side for collecting dust and the like contained in the air, a high voltage power supply unit provided in the air conditioner main body for generating a voltage to be supplied to the air purifying unit, and a front side A power supply terminal, which is disposed at a position on the air conditioner main body side in contact with a power receiving terminal of the air purifying unit with the panel attached to the air conditioner main body and electrically connected to an output side of the high-voltage power supply unit. It has a configuration with.

In the above configuration, when the front panel is attached to the air conditioner main body, the power receiving terminal of the air cleaning unit on the front panel side contacts the power supply terminal on the air conditioner main body side. When a high-voltage power supply unit provided in the air conditioner body is energized, a voltage is generated by the high-voltage power supply unit, and this voltage is supplied to the air purifying unit sequentially via a power supply terminal and a power reception terminal. As a result, dust and the like contained in the air are collected by the air cleaning unit.

When the front panel is removed from the air conditioner body, the air purifying unit is simultaneously removed from the air conditioner body. In this state, since the power receiving terminal of the air cleaning unit on the front panel side is separated from the power supply terminal on the air conditioner main body side, the voltage generated by the high-voltage power supply unit is not applied to the air cleaning unit.

[0008] More preferably, the air purifying unit is detachably attached to the front panel. In this case, it is possible to perform cleaning and cleaning of the air cleaning unit with the air cleaning unit removed from the front panel.

More preferably, the housing of the air conditioner main body (including a panel provided on the front surface of the air conditioner main body) includes an air cleaning unit with the front panel attached to the air conditioner main body. An opening into which the power receiving terminal is inserted is formed, and a power supply terminal that is in contact with a distal end of the power receiving terminal that has entered through the opening is preferably provided on the inner side of the opening in the air conditioner body. .

In this case, when the opening formed in the front panel of the air conditioner main body is sufficiently small, the power supply terminal to which the voltage output from the high-voltage power supply is applied is covered by the housing of the air conditioner main body. Become.

More preferably, a detector is provided for detecting that the front panel has been removed from the air conditioner body, and a circuit for cutting off the power supply to the air cleaning unit based on the detection result of the detector is provided. good.

In this case, when the front panel is removed from the main body of the air conditioner, this is detected by the detector, and the power supply to the air cleaning unit is cut off by the circuit.

More preferably, a discharge electrode and a dust collecting electrode are provided inside the air cleaning unit, and the discharge electrode and the dust collecting electrode are preferably detachably attached to a case of the air cleaning unit. .

In this case, the discharge electrode, the dust collecting electrode and the case can be cleaned and washed with the discharge electrode and the dust collecting electrode removed from the case of the air cleaning unit.

[0015] More preferably, the case of the air cleaning unit is made of metal or a structure in which a metal film is provided on the surface of the case. In this case, noise generated due to the discharge between the discharge electrode and the dust collection electrode in the air cleaning unit is shielded by the case.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an air conditioner according to the present invention will be described below with reference to the drawings. 1 is a partially cutaway perspective view of an air conditioner, FIG. 2 is a side view of an air purifying unit attached to the back of a front panel of the air conditioner, and FIG. 3 is an air purifier with an upper case removed. FIG. 4 is a cross-sectional view of the air cleaning unit, showing a state in which the power receiving terminal of the air cleaning unit contacts a power supply terminal of the air conditioner body, and FIG. 5 is a front view of the air cleaning unit. FIG. 6 is a perspective view of a holder for detachably attaching to the back surface of the panel, and FIG. 6 is a circuit diagram around a high-voltage power supply unit in the air conditioner body.

The air conditioner described here by way of example is a separate type air conditioner in which an indoor unit and an outdoor unit are separated. FIG. 1 shows an indoor unit actually mounted on an indoor wall, but this indoor unit is shown as an air conditioner 900 for convenience of explanation.

The air conditioner 900 has a structure in which a front panel 510 is detachably attached to the main body 500 of the air conditioner. Machine body 50
Inside 0, a high-voltage power supply unit 590 (see FIG. 6) for generating a voltage to be supplied to the air cleaning unit 100, a heat exchanger 570, an air filter 580, and the like are provided.

The air cleaning unit 100 includes a front panel 51.
0 is detachably attached to the back surface of the “0” by a holder 200 (see FIGS. 2 and 5). Air purification unit 1
Power receiving terminals 110 and 111 are provided on the surface of 00 toward the air conditioner main body 500 side.

On the front side of the air conditioner main body 500, a front panel 530 for covering a high-voltage power supply section 590 (see FIG. 6) and the like is provided. As shown in FIG. 4, openings 531 and 532 slightly larger than the diameter of the power receiving terminals 110 and 111 are formed on the front panel 530. Air conditioner body 5
The power supply terminal 56 is located at the back of the openings 531 and 532
0 and 560 are provided. Power supply terminals 560, 560
Is covered by the front panel 530. In addition,
A part of the housing of the air conditioner main body 500 may be used instead of the front panel 530.

The front panel 510 is the main body 500 of the air conditioner.
, The power receiving terminals 110 and 111 of the air purifying unit 100 enter the openings 531 and 532, and the respective tips contact the power supply terminals 560 and 560, respectively. In short, the power supply terminals 560, 560
Is a state in which the front panel 510 is attached to the air conditioner main body 500, and
It is arranged at a position on the side of the air conditioner main body 500 that contacts the air conditioners 10 and 111.

The power supply terminals 560, 560 are provided with springs 560c, 560c. That is,
The power supply terminals 560 and 560 reliably contact the power receiving terminals 110 and 111 by the elastic force of the springs 560c and 560c.

As shown in FIG. 6, the power supply terminals 560 and 560 are connected to high voltage power supply units 590 through high voltage power lines 595 and 595, respectively.
Is electrically connected to the contact output. The input of the high-voltage power supply unit 590 is connected to the AC100V through the micro switch 591.
Are electrically connected to a power supply line 592 of the power supply. The high-voltage power supply unit 590 is a power supply circuit that generates a DC high voltage to be supplied to the air cleaning unit 100.

The microswitch 591 is attached to the air conditioner main body 500. The contact is turned on when the front panel 510 makes contact, and the contact is turned off when the contact is stopped. That is, the microswitch 59
1 functions as a detector for detecting that the front panel 510 has been removed from the air conditioner main body 500.

When the contact output of the microswitch 591 is electrically connected between the input of the high-voltage power supply unit 590 and the power supply line 592, when the front panel 510 is detached from the air conditioner main body 500, the high-voltage power supply unit 590 is disconnected. A circuit is configured to stop energization and eventually cut off voltage supply to the air cleaning unit 100.

Next, the structure of the air cleaning unit 100 will be described.

As shown in FIGS. 3 and 4, the air cleaning unit 100 has a linear discharge electrode 120 and a plate-like dust collection electrode 1.
60, cylindrical power receiving terminals 110 and 111, a substantially L-shaped relay terminal plate 163, and a box-shaped case 101. The voltage supplied through the power receiving terminals 111 and 110 is collected by the discharge electrode 120 and the dust collector. It has a basic configuration in which a voltage is applied between the electrodes 160 to generate a Coulomb force between the two electrodes to attract dust and the like contained in the air to collect dust.

The discharge electrode 120 is a metal wire as shown in FIG. 4, and springs 121 and 122 are provided on both sides thereof.

The dust collecting electrode 160 is composed of a metal plate 160a and a resin frame 160b. Frame part 160b
Has an inverted concave shape and is attached to the edge of the metal plate 160a.

The power receiving terminal 110 is a metal pin having a rounded tip (the lower end in FIG. 4), and nuts 181 and 180 are attached to the outer peripheral surfaces on the distal and proximal ends thereof. Screws are cut for. A groove 110a is formed on the outer peripheral surface of the rear end of the power receiving terminal 110 along the circumferential direction.

The power receiving terminal 111 is a metal pin having a rounded tip, like the power receiving terminal 110. Nuts 184, 183, 1 are provided on the outer peripheral surface on the distal side and the proximal side.
The screw for attaching 82 is cut. The only difference from the power receiving terminal 110 is that there is no equivalent to the groove 110a and that the length is short.

The relay terminal plate 163 is a metal plate bent in a substantially L shape as shown in FIGS. 3 and 4, and serves as a relay terminal for electrically connecting the power receiving terminal 111 and the dust collecting electrode 160. And is attached to the base end of the power receiving terminal 111 using the nut 182.

The relay terminal plate 163 has an L angle portion 163b having a hole into which the base end side of the power receiving terminal 111 is inserted.
And a leaf spring portion 163a in which a part of the L angle portion 163b is extended. The leaf spring portion 163a comes into urging contact with the end 160c of the metal plate 160a of the dust collecting electrode 160. Also, the L angle portion 163b
Is formed with a positioning hole 163c.

The case 101 is composed of an upper case 190 and a lower case 191 as shown in FIG. 6, and is made of resin here. The upper case 190 has a number of air passage holes 105 and 106 as shown in FIG.
The lower case 191 also has a similar air passage hole 109 as shown in FIG.

The upper case 190 and the lower case 191 are connected via a hinge 196. That is, the upper case 190 can be freely opened and closed with respect to the lower case 191. However, the upper case 190 can be removed from the lower case 191 in consideration of the convenience of cleaning the air cleaning unit 100 and the like. In addition, 19 in FIG.
Reference numeral 5 denotes a locking hole into which a part of the upper case 190 for maintaining the closed state is inserted.

On the inner bottom surface of the lower case 191 on the right side in FIG. 3, a discharge electrode side cylindrical column 102 and a dust collection electrode side cylindrical column 103 are provided as shown in FIG. The height of the cylindrical column 103 on the dust collection electrode side is set to be lower than the cylindrical column 102 on the discharge electrode side.

A power receiving terminal 110 is inserted inside the discharge electrode side cylindrical column 102. The power receiving terminal 110 is attached to the lower case 191 by using nuts 180 and 181 such that the tip (the lower end in FIG. 4) extends out of the lower case 191. Power receiving terminal 110
The nut 181 attached to the distal end of the power receiving terminal 110 is located within the cylindrical foot 107 formed on the outer surface of the lower case 191, while the base end (the upper end in FIG. ) Is located at the tip of the discharge electrode side cylindrical column 102.

On the other hand, a power receiving terminal 111 is inserted inside the cylindrical column 103 on the dust collection electrode side. The power receiving terminal 111 is
The tip (which is the lower end in FIG. 4) is the lower case 1
It is attached to the lower case 191 by using nuts 183 and 184 so as to protrude from the lower case 91. The nut 184 attached to the distal end of the power receiving terminal 111 is located in the cylindrical foot 108 formed on the outer surface of the lower case 191, while the base end of the power receiving terminal 111 (in FIG. Nut 183 attached to the upper end)
It is located at the tip of the discharge electrode side cylindrical column 102.

A nut 182 is attached to the rear end of the power receiving terminal 111 (a portion caught from the nut 183), and the relay terminal plate 163 is fixed to the power receiving terminal 111 by the nut 182. .

A positioning block 164 is provided near the cylindrical column 103 on the dust collection electrode side. The positioning hole 163 of the relay terminal plate 163 is provided above the positioning block 164.
A pin 164a into which c is inserted is formed. The dust collecting electrode 1 of the relay terminal plate 163 is determined by the positioning block 164.
Positioning with respect to 60 is performed. .

At the center of the inner bottom surface of the lower case 191,
As shown in FIGS. 3 and 4, a frame base 168 for holding the dust collecting electrode 160 is formed. The frame base 168 allows the dust collecting electrode 160 to be detachably attached to the lower case 191. With the dust collecting electrode 160 held by the frame base 168, the end 160 of the dust collecting electrode 160
The leaf spring portion 163a of the relay terminal plate 163 is in urge contact with c. As a result, the dust collection electrode 160 is electrically connected to the power receiving terminal 111 via the relay terminal plate 163.

A projection 12 for hooking and stopping one end of the discharge electrode 120 (actually, one end of the spring 122) is provided on a portion corresponding to the lower left side in FIG.
5 are provided. The other end of the discharge electrode 120 (actually, one end of the spring 121) is hooked and stopped in a groove 110 a formed at the base end of the power receiving terminal 110. In this way, the discharge electrode 120 is detachably attached to the lower case 191.

The discharge electrode 120 includes the protrusion 125 and the power receiving terminal 1.
10 and a spring 12
A predetermined tension is maintained by 1, 122. Due to this tension, electrical connection between the discharge electrode 120 and the power receiving terminal 110 is ensured.

Next, the holder 200 for holding the air cleaning unit 100 on the back surface of the front panel 510 will be described with reference to FIGS.

The holder 200 is a resin holder 25.
0 and 250. Holder section 250, 2
Reference numerals 50 are symmetrical to each other, and are mounted on the back surface of the front panel 510 with a distance corresponding to the width of the air cleaning unit 100.

The holder 200 is attached to a boss 520 provided vertically on the back surface of the front panel 510 by using screws 800. As shown in FIG. 2, the holder 200 is attached to the back surface of the front panel 510 by the boss 520 so as to be hollowly supported.

As shown in FIG. 5, the holder 250 includes a side plate 251 holding one side of the air cleaning unit 100 and having a U-shaped cross section, and support arms 252 and 252 extending from below the side plate 251 to both sides. Cylindrical parts 253, 25 for passing screws 800 provided at the ends of the support arms 252, 252
And 3.

A locking claw 256 for locking one side of the air cleaning unit 100 is formed at the center of the side plate portion 251, and slits 255, 2 are formed on both sides of the locking claw 256.
55 are formed in the vertical direction. Further, bottom plate portions 254 and 254 supporting one side of the air cleaning unit 100 are formed below the side plate portion 251.

When the air cleaning unit 100 is inserted between the holder portions 250, 250, the locking claws 256, 256 lock both sides of the air cleaning unit 100. When the locking by the locking claws 256, 256 is released, the air cleaning unit 100 is
It can be easily removed from 50.

The air purifying unit 100 is detachably attached to the back surface of the front panel 510 by such a holder 200. However, since the air purifying unit 100 is mounted on the back surface of the front panel 510 in a hollow supported manner, the air that has entered the air conditioner through an air introduction slit or the like on the front panel 510 efficiently enters the air purifying unit 100. It is taken in well, resulting in good dust collection efficiency.

In the case of the air conditioner having the above-described configuration, when the operation is started, the high-voltage power supply unit 590 is energized, and the high voltage generated by the high-voltage power supply unit 590 is supplied via the power supply terminals 560 and 560. The air is supplied to the air purification unit 100. As a result, a Coulomb force is generated between the discharge electrode 120 and the dust collecting electrode 160 in the air cleaning unit 100, and accordingly dust and the like in the air sucked through the front panel 510 and the like are removed. Adhere to and collect dust.

When the front panel 510 is removed from the air conditioner main body 500 during operation, the microswitch 591 is turned off from on, and the power supply to the high voltage power supply unit 590 is stopped. If the microswitch 591 fails, a high voltage is applied to the power supply terminals 560 and 560, but the power supply terminals 560 and 560 are covered and hidden by the front panel 530, so that sufficient safety is ensured. Is done.

When cleaning and cleaning the air purifying unit 100 and the like, the operation is stopped and the front panel 51 is stopped.
After the air purification unit 100 is detached from the air conditioner main body 500, the air cleaning unit 100 is detached from the front panel 510. The air cleaning unit 100 can be disassembled as described above, that is, the upper panel 190, the discharge electrode 120, and the dust collecting electrode 160 can be removed from the lower panel 191. Therefore, cleaning of dust and the like attached to these components can be performed.・ Easy cleaning. Even if the user accidentally removes the front panel 510 from the air conditioner main body 500 during operation and cleans and cleans the air cleaning unit 100 and the like, there is no danger of the user being electrocuted as described above.

The air conditioner according to the present invention is not limited to the above embodiment, and can be applied to a non-separable type air conditioner and an air conditioner whose front panel can be opened and closed with respect to the air conditioner. It is.

For the air cleaning unit, its case may be made of a metal plate. in this case,
Since the noise generated by the discharge between the electrodes is shielded by the case, it is possible to prevent not only the control circuit in the air conditioner but also the surrounding electronic devices from being adversely affected. The same effect can be obtained even if a form in which a metal film is provided on the surface of the case is adopted.

An optical sensor or the like may be used as a detector for detecting that the front panel has been removed from the air conditioner body.

[0057]

As described above, in the air conditioner according to the first aspect of the present invention, the front panel is detachably attached to the air conditioner body, and the air purification unit is provided on the front panel. With this configuration, cleaning and cleaning operations can be performed with the air cleaning unit and the like removed from the air conditioner body. Therefore, cleaning and cleaning of the air cleaning unit and the like can be easily performed. Moreover, in this state, no voltage is applied to the air cleaning unit, so that sufficient safety is ensured.

In the air conditioner according to the second aspect of the present invention, since the air cleaning unit is detachably attached to the front panel, the air cleaning unit is detached from the front panel. The cleaning and cleaning operations can be performed, and the cleaning and cleaning of the air cleaning unit and the like can be performed more easily.

According to the air conditioner of the third aspect of the present invention, the power supply terminal to which the voltage generated by the high voltage power supply is applied is covered by the housing of the air conditioner body. Therefore, there is no need to worry about electric shock when the front panel is detached from the air conditioner body, and safety is further improved.

In the air conditioner according to claim 4 of the present invention, when the front panel is detached from the air conditioner body, the power supply to the air cleaning unit is cut off. There is no need to worry about electric shock when the device is removed from the main unit, and extremely high safety can be obtained.

In the air conditioner according to claim 5 of the present invention, the discharge electrode and the dust collection electrode of the air cleaning unit can be removed from the case.
Cleaning and cleaning of the discharge electrode, the dust collecting electrode and the case can be easily performed.

In the case of the air conditioner according to claim 6 of the present invention, since the noise generated due to the discharge between the electrodes is shielded by the case of the air cleaning unit, the control circuit in the air conditioner is provided. In addition, it is possible to prevent adverse effects on peripheral electronic devices.

[Brief description of the drawings]

FIG. 1 is a view for explaining an embodiment of an air conditioner of the present invention, and is a partially cutaway perspective view of the air conditioner.

FIG. 2 is a view for explaining an embodiment of the air conditioner of the present invention, and is a side view of the air purifying unit attached to the back surface of the front panel of the air conditioner.

FIG. 3 is a view for explaining the embodiment of the air conditioner of the present invention, and is a view showing the inside of the air cleaning unit with the upper case removed.

FIG. 4 is a view for explaining an embodiment of the air conditioner of the present invention, and also shows a state in which a power receiving terminal of the air cleaning unit contacts a power supply terminal of the air conditioner main body. It is sectional drawing of a unit.

FIG. 5 is a view for explaining the embodiment of the air conditioner of the present invention, and is a perspective view of a holder for detachably attaching the air cleaning unit to the back surface of the front panel.

FIG. 6 is a diagram for describing an embodiment of the air conditioner of the present invention, and is a circuit diagram around a high-voltage power supply unit in the air conditioner body.

[Explanation of symbols]

 900 Air conditioner 510 Front panel 100 Air cleaning unit 190 Upper case 191 Lower case 120 Discharge electrode 160 Dust collecting electrode 110, 111 Power receiving terminal 500 Air conditioner main body 531, 532 Opening 560 Power supply terminal 590 High voltage power supply unit 591 Micro switch

Claims (6)

[Claims] In an air conditioner having a front panel detachably attached to an air conditioner main body, an air cleaning unit is provided on a back side of the front panel and collects dust and the like contained in air. And a high-voltage power supply unit provided in the air conditioner main body and generating a voltage to be supplied to the air purifying unit, and a front panel in contact with a power receiving terminal of the air purifying unit with the front panel attached to the air conditioner main unit. An air conditioner, which is provided at a position on the side of the air conditioner body and includes a power supply terminal electrically connected to an output side of a high-voltage power supply unit. 2. The air conditioner according to claim 1, wherein
An air conditioner wherein an air purifying unit is detachably attached to a front panel. 3. The air conditioner according to claim 1, wherein the power receiving terminal of the air cleaning unit is inserted into the housing of the air conditioner main body with the front panel attached to the air conditioner main body. An air conditioner, wherein an opening is formed, and a power supply terminal that is in contact with a tip end of the power receiving terminal that enters through the opening is disposed on a deep side of the opening in the air conditioner body. 4. The air conditioner according to claim 1, 2 or 3, wherein a detector for detecting that the front panel has been removed from the air conditioner body, and an air cleaning unit based on a detection result of the detector. An air conditioner comprising: a circuit that cuts off current to the air conditioner. 5. The air conditioner according to claim 1, wherein a discharge electrode and a dust collecting electrode are provided inside the air cleaning unit, and the discharge electrode and the dust collecting electrode are provided in the air cleaning unit. An air conditioner, which is detachably attached to the case. 6. The air conditioner according to claim 1, wherein a material of a case of the air cleaning unit is metal or a metal film is provided on a surface of the case. An air conditioner characterized by the following.