JP2001004192A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stop operation and indicate abnormality when a plurality of suction louvers are not opened due to some abnormality in spite of an operating condition. SOLUTION: An air conditioner is provided with a plurality of suction louvers, supported pivotally by a suction panel constituting a suction port provided on the upper part of front surface of a main body through bearings and arranged in up-and- down so as to be opened under the operating condition of air-conditioning operation and closed under the stopping condition of the air-conditioning operation, a cooperating unit for operating the plurality of suction louvers in conjunction with each other, and a louver driving unit, interlocked to the cooperating unit so as to move the suction louvers into up-and-down. The air conditioner is constituted of an operation control means 10 for inputting the operating signal and the stopping signal of the air conditioning operation, a suction louver opening and closing detecting means 11 for detecting the opening and closing of the plurality of suction louvers, and a control means 12 for controlling the stopping of the operation when a signal, detected by the suction louver opening and closing detecting means 11 upon inputting the operating signal through the operation control means 10, is the signal of closed condition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly, to an air conditioner, in which a suction portion which is opened and closed by a plurality of suction louvers is provided on a front surface of a main body, and the operating efficiency is improved by opening the suction louvers in an operating state. In particular, the present invention relates to a control method in which, when the plurality of suction louvers are not opened for some reason irrespective of the operation state, the operation is stopped and an abnormality is displayed.

[0002]

2. Description of the Related Art In a conventional air conditioner, as shown in FIG. 1, for example, a suction port 2 is provided at an upper portion and / or upper portion of a front surface of a main body 1, and an air outlet 3 is provided at a lower portion of the front surface.
A heat exchanger 4 and a blower fan 5 are provided in an air passage connecting the air outlet 3 and the air outlet 3, and are rotatably supported by a suction panel 6 constituting the suction port 2 at the upper portion of the front surface of the main body 1 so as to be rotatable. A plurality of suction louvers 7 arranged vertically so as to open the suction port 2 in an operating state and close the suction port 2 when the air conditioning operation is stopped, and an interlocking unit 8 for interlocking the plurality of suction louvers 7 And a louver drive unit 9 linked to the interlocking unit 8 to move the louver drive unit up and down. The louver drive unit 9 controls the suction louver by the control unit in response to an operation or stop signal of the air conditioner. 7 is controlled.

However, even if the suction louver 7 does not operate for some reason and does not open during operation of the air conditioner, the air conditioner will operate. When the operation is performed with the suction louver 7 closed, the air volume decreases due to an increase in the suction resistance. During the heating operation, the overload protection operation frequently operates due to an increase in the indoor heat exchange temperature and the operating current. Will decrease. Further, during the cooling operation, there is a possibility that problems such as dew condensation of the chassis and the fan and a decrease in the cooling capacity may occur.

[0004]

In view of the above problems, in the present invention, a suction portion which is opened and closed by a plurality of suction louvers is provided on a front surface of a main body, and the operating efficiency is improved by opening the suction louvers in an operating state. In particular, the present invention provides an air conditioner in which, when the plurality of suction louvers are not opened for some reason in spite of the operation state, the operation is stopped and an abnormality is displayed. The purpose is to do.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a suction port at an upper portion and / or an upper portion of a main body, an outlet at a lower portion of the front surface, and a connection between the inlet and the outlet. A heat exchanger and a blower fan are provided in an air passage that is connected to the air passage, and the suction port is rotatably supported by a suction panel that constitutes a suction port at an upper portion of the front surface of the main body. A plurality of suction louvers arranged vertically so as to close the suction port when the operation is stopped, an interlocking unit for interlocking the plurality of suction louvers, and a louver driving unit for linking and moving the suction louvers up and down with the interlocking unit In the air conditioner comprising: operating operation means for inputting a start and stop signal of the air conditioning operation; suction louver opening / closing detecting means for detecting opening / closing of the plurality of suction louvers; and operating with the operation operating means. Turn on signal When a signal the suction louver closing sensing means senses that if the closed state, has a configuration comprising a control means for stopping control operation.

Further, the suction louver opening / closing detecting means comprises a switch mechanism for energizing / de-energizing by opening / closing the suction louver.

The switch mechanism comprises a pair of contacts provided on the front surface of the suction panel and a conductive plate provided on the back surface of the suction louver corresponding to the same pair of contacts.

Further, the pair of contacts is provided at a substantially central portion of an upper portion of a front surface of the suction panel.

The switch mechanism is turned on when the suction louver is closed and turned off when the suction louver is opened.

Further, when the driving operation means is in the driving state and the suction louver open / close detecting means is in the closed state, a display means for displaying an abnormality is provided.

Further, the display means is constituted by blinking an LED.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as examples. FIG. 1 and FIG.
In FIG. 3 and FIG. 3, reference numeral 1 denotes an air conditioner main body, 2 denotes a suction port provided at an upper part and / or upper part of the main body 1, 3 denotes an outlet provided at a lower part of the front face, and 4 denotes these suction ports 2. A heat exchanger provided in an air passage connecting the air outlet 3 and the air outlet 3, a blower fan 5, a front end of a front panel constituting the main body 1, and a suction port 2 in an upper front part of the main body 1.
The suction panel 7 is provided with a support shaft portion a
A plurality of suction louvers arranged vertically so as to open the suction port 2 in an air-conditioning operation state and to close the suction port 2 in an air-conditioning operation stop state. An interlocking section 8 for interlocking the plurality of suction louvers 7 and a louver drive section 9 for interlocking and moving the interlocking section 8 up and down
And a configuration including

FIG. 3 is a control block diagram according to the present invention. The operation operation means 10 for inputting the operation and stop signals of the air conditioning operation, the suction louver open / close detection means 11 for detecting the opening and closing of the plurality of suction louvers 7, and If a signal detected by the suction louver opening / closing detecting means 11 is closed when a driving signal is input by the louver driving section (louver driving means) 9 including a driving motor and the driving operation means 10, the operation is performed. And a control means 12 for controlling the stop of the motor.

The suction louver opening / closing detecting means 11 comprises a switch mechanism for turning on / off the suction louver 7 by opening and closing the suction louver 7, and is provided with the same pair of contacts 13, 13 provided on the front surface of the suction panel 6. It is constituted by a conductive plate 14 provided on the back surface of the suction louver 7 corresponding to the contacts 13, 13.

Further, the pair of contacts 13, 13 is provided substantially at the center of the upper part of the front surface of the suction panel 6, and the switch mechanism is turned on when the suction louver 7 is closed and turned off when the suction louver 7 is opened. ing.

Further, when the driving operation means 10 is in a driving state,
And if the suction louver open / close sensing means 11 is in a closed state,
A configuration is provided in which display means 15 for displaying an abnormality by blinking an LED is provided.

The control method will be described with reference to the flowchart of FIG. 4 according to the present invention. When the air conditioning operation is started, it is determined whether or not an operation signal has been input in ST1, and if it has been input, the suction louver 7 is opened by the louver driving means 9 in ST2, but at the same time, the switch mechanism 11 is turned off in ST3. Is determined, and if it is off, ST4
Then, the operation of the air conditioner is started. If it is not off, it is determined in ST5 that the suction louver 7 is closed, and the operation is stopped in ST6, and at the same time, a display for notifying the abnormality by blinking the LED is performed.

With the above configuration, the plurality of suction louvers 7
If the suction louver 7 does not open for some reason irrespective of the operation state, the suction louver opening / closing detecting means 11 detects the operation abnormality of the suction louver 7 by the control means 12 and stops the operation, and displays an indication of the abnormality. It becomes an air conditioner like this.

[0019]

As described above, according to the present invention,
If the plurality of suction louvers 7 are not opened for some reason irrespective of the operating state, the suction louver opening / closing detecting means 11 detects an abnormal operation of the suction louvers 7 by the control means 12 and stops the operation. , An air conditioner that displays an indication of abnormality.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an air conditioner according to the present invention and a conventional example.

FIG. 2 is a perspective view of a main part showing an embodiment according to the present invention.

FIG. 3 is a control block diagram according to the present invention.

FIG. 4 is a flowchart according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body 2 Suction port 3 Blow-out port 4 Heat exchanger 5 Blow fan 6 Suction panel 7 Suction louver 8 Interlocking unit 9 Louver drive means (louver drive unit) 10 Operation operation means 11 Suction louver open / close detection means (switch mechanism) 12 Control means 13 Contacts 14 Conductive plate 15 Display means

Claims (7)

[Claims] A main body provided with a suction port at an upper portion and / or an upper portion thereof, an air outlet provided at a lower portion of the front surface, a heat exchanger and a blower fan provided in an air passage connecting the air inlet and the air outlet, It is rotatably supported by the suction panel that constitutes the suction port on the upper part of the front of the main unit, and is arranged vertically so that the suction port is opened when the air conditioning operation is in operation and closed when the air conditioning operation is stopped. A plurality of suction louvers, an interlocking unit that interlocks the plurality of suction louvers, and a louver drive unit that operates in conjunction with the interlocking unit to move the suction louvers up and down. Driving operation means for inputting a start / stop signal, suction louver opening / closing detection means for detecting opening / closing of the plurality of suction louvers, and when a driving signal is inputted by the driving operation means, the suction louver opening / closing detection means senses. If No. is in the closed state, the air conditioner characterized by comprising a control means for stopping control operation. 2. The air conditioner according to claim 1, wherein the suction louver opening / closing detecting means includes a switch mechanism for turning on / off the suction louver by opening / closing the suction louver. 3. The switch mechanism comprises a pair of contacts provided on a front surface of the suction panel and a conductive plate provided on a back surface of the suction louver corresponding to the same pair of contacts. Or the air conditioner according to 2. 4. The suction panel according to claim 3, wherein said pair of contacts are provided substantially at the center of the upper part of the front surface of said suction panel.
The air conditioner according to item 1. 5. The air conditioner according to claim 2, wherein the switch mechanism is turned on when the suction louver is closed and turned off when the suction louver is opened. 6. A display device for displaying an abnormality when the driving operation means is in a driving state and the suction louver open / close detecting means is in a closed state.
The air conditioner according to item 1. 7. The air conditioner according to claim 6, wherein the display is performed by blinking an LED.