KR0168173B1 - Airconditioner - Google Patents

Abstract

The present invention relates to an air conditioner, and in particular, when the operation mode is changed, by generating an alarm sound that changes the height of the sound to ventilate the user's surroundings, the user can easily confirm that the operation mode is changed, so that the product can be accurately identified. Can be controlled. Therefore, it is possible to control the product precisely, so that the product can be used conveniently. In addition, by installing the first noise removing member and the second noise removing member in the voltage supply means to reduce noise in the voltage output from the voltage supply means, the efficiency of the product can be increased, thereby reducing the power consumption of the product and improving the life of the product. It has a very good effect that can be lengthened.

Description

Air conditioner

1 is a control circuit block diagram of an air conditioner according to an embodiment of the present invention.

2 is a detailed circuit diagram of the air conditioner shown in FIG.

* Explanation of symbols for main parts of the drawings

2: control means 4: voltage supply means

8: filter 10: transformer

12: bridge diode 14: the first voltage regulator (VR)

16: second voltage regulator (VR) 18: operation mode selection means

20: receiving means 24: alarm sound generating means

26: buzzer 32: outdoor load driving means

34: indoor fan motor driving means C1, C2, C4, C5, C6, C7: capacitor

D1: first noise removing member D2: second noise removing member

TR1: Transistor

The present invention relates to an air conditioner, and more particularly, to an air conditioner that generates an alarm sound to ventilate a user's surroundings when a driving mode is changed.

In the conventional air conditioner, there was a lot of noise in the voltage output from the power supply unit. Therefore, there is a problem that the power consumption of the air conditioner is short and the lifespan is low because the efficiency of the conditioner is bad.

In addition, in the conventional air conditioner, even if the driving mode is changed, the user is not aware that the driving mode has been changed by not generating a sound informing the user that the driving mode has changed. As a result, the user did not control the air conditioner accurately, there was a problem that the use of the product is inconvenient.

Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to provide an air conditioner that can reduce the power consumption of the product, increase the life of the product, and can conveniently use the product.

In order to achieve the above object, the air conditioner according to the present invention includes a control means, a voltage supply means for supplying a DC voltage to the control means, and a mode of 'remote controller use' and 'forced automatic operation' by the user. The operation mode selecting means for selecting, the receiving means for receiving the control signal transmitted from the remote controller, and an alarm sound in accordance with the oscillation signal output from the control means to call the user's attention when the operation mode is changed. Alarm sound generating means, an outdoor load driving means for driving the compressor and the outdoor fan motor in accordance with the control signal output from the control means, and the air heat exchanged in the indoor heat exchanger according to the control signal output from the control means. An indoor fan motor drive means for driving an indoor fan to circulate indoors The.

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

As shown in Figs. 1 to 2, the control means 2 is a microcomputer for controlling the overall air conditioning operation of the air conditioner according to the embodiment of the present invention.

The voltage supply means 4 for supplying a DC voltage to the control means 2 comprises a fuse 6 for blocking an overcurrent from flowing through the circuit and noise contained in an AC voltage output from an AC power supply (not shown). A filter 8 to remove, a transformer 10 for transforming an AC voltage output from an AC power source, a bridge diode 12 for full-wave rectification of an AC voltage output from the transformer 10, and the bridge diode 12 The first noise removing member (D1) for removing the noise included in the periodic wave voltage output from the () and the capacitor (C1, C2) for converting the periodic wave voltage passed through the first noise removing member (D1) to a DC voltage ), A first voltage regulator VR 14 for receiving a DC voltage from the capacitors C1 and C2 and outputting a first DC voltage, and a first DC voltage output from the first voltage regulator 14. A second noise removing member for removing the noise D2), capacitors C7 and C4 for stabilizing the level of the first DC voltage passing through the second noise removing member D2, and receiving a first DC voltage from the capacitors C7 and C4. The second voltage regulator VR 16 outputs a voltage and the capacitors C5 and C6 stabilize the level of the second DC voltage output from the second voltage regulator 16.

The first noise removing member D1 is a diode for rectifying the periodic wave voltage output from the bridge diode 12, and the second noise removing member D2 rectifies the DC voltage output from the first voltage regulator. It is a diode.

The operation mode selecting means 18 is connected to the control means 2 via the resistors R2 and R4 and the capacitor C8 so as to select one of 'remote controller use' and 'forced automatic operation' by the user. The first mode selection switch SW1 is connected.

Receiving means 20 for receiving a control signal transmitted from a remote controller (not shown) includes a receiving module 22 for receiving a control signal transmitted from the remote controller (not shown), and the receiving module 22. Resistor (R6, R8) and the capacitor (C10) for transmitting a control signal output from the control means (2).

Alarm sound generating means 24 for generating an alarm sound to call the user's attention when the operation mode is changed, the transistor TR1 is turned on / off in accordance with the oscillation signal output from the control means 2, It consists of a buzzer 26 which receives a DC voltage from the voltage supply means 4 according to the turn on / off of the transistor TR1 and generates an alarm sound having a frequency corresponding to the frequency output from the control means 2. have.

The outdoor load driving means 32 for driving the compressors M and 28 and the outdoor fan motors M and 30 in accordance with the control signal output from the control means 2 is a control signal output from the control means 2. And a relay RY1 that is turned on / off according to a control signal output from the nat gate NOT1.

The indoor plate motor driving means 34 which drives the indoor fan to circulate the air heat-exchanged in the indoor heat exchanger to the room according to the control signal output from the control means 2 is applied to the indoor fan motor 36. The SSR (SOLID SRTATE RELAY) 38 which is turned on / off in accordance with a control signal output from the control means 2 to phase-control the voltage, and the speed of the indoor fan motor 36 is detected. Hall sensor 40 which outputs a pulse according to the rotation of the indoor fan motor 36 and pulses output from the hall sensor 40 are turned on / off to output a rotation speed signal to the control means 2. Is composed of a transistor TR2.

An oscillation means 42 for supplying an oscillation frequency to the control means 2 comprises a resonator 44 which resonates by receiving a voltage from the control means 2 and a voltage output from the resonator 44. It consists of capacitors (C16, C18) for charging and discharging the voltage output from the resonator 44 to be delivered to the control means (2).

The reset means 46 which outputs a reset signal to the control means 2 to protect the compressor 28, the outdoor fan motor 30 and the indoor fan motor 36 is very low when an abnormal voltage is supplied from the outside. The control means 2 receives a voltage sensing integrated circuit (IC) 48 that outputs a reset signal to the control means 2 by having a resistance value, and a reset signal output from the voltage sensing integrated circuit 48. A resistor R20 and a capacitor C20 are formed to transmit to the resistor.

The zero crossing means 50 for inputting the phase of the AC voltage output from the AC power supply to the control means 2 includes resistors R22 and R24 for dividing the AC voltage output from the AC power supply, and the resistors R22, The transistor TR3 receives an AC voltage from R24 and outputs a square wave pulse.

The indoor temperature detecting means 52 for detecting a room temperature controls the first thermistor TH1 outputting a temperature signal by changing a resistance value according to the room temperature, and the temperature signal output from the first thermistor TH1. It consists of resistors R30 and R32 which transmit to the means 2.

The second temperature detecting means 54 for detecting the temperature of the surface of the indoor heat exchanger (not shown) includes a second thermistor TH2 for outputting a temperature signal by changing a resistance value according to the temperature of the surface of the indoor heat exchanger; The resistors R34 and R36 output the temperature signal output from the second thermistor TH2 to the control means 2.

Humidity sensing means 56 for detecting the humidity of the room is a humidity sensor (HD1) for outputting a humidity signal by changing the resistance value in accordance with the humidity of the room, and the humidity signal output from the humidity sensor (HD1) the control means It consists of resistors R38, R40, R42, and R44 which are transmitted to (2).

The display means 58 which receives the display signal from the control means 2 and displays the operating states of the compressor 28, the outdoor fan motor 30 and the indoor fan motor 36, is output from the control means 2. The nat gates NOT1, NOT2, NOT3, NOT4 for inverting the displayed display signals and the display signals output from the nat gates NOT1, NOT2, NOT3, NOT4 are applied through the resistors R46, R48, R50, and R52. It consists of light emitting diodes (LED2, LED4, LED6, LED8) that emit light.

Wind direction motor drive means 60 is a nat gate (NOT5, NOT6, NOT7, NOT8) for applying a voltage to the wind direction motor 62 to change the direction of the wind vane in accordance with the control signal output from the control means (2) Consists of

The wind direction motor 62 is a step motor that rotates at a rotation angle proportional to the number of pulses of the voltage output from the wind direction motor drive means 60.

Hereinafter will be described the operation and effect of the air conditioner according to an embodiment of the present invention configured as described above.

First, as an initial condition for explaining the operation, the movable contact SW1a of the first mode selection switch SW1 of the operation mode selecting means 18 is separated from the fixed contact SW1b of the first mode selection switch SW1. Assume that the 'Use Remote Controller' function is selected.

On the other hand, it is assumed that the movable contact RY1a of the relay RY1 of the outdoor load driving means 32 is separated from the fixed contact RY1b of the relay RY1.

Next, when the user inserts the plug into the outlet, an AC voltage of 220 V is output to the filter 8 via the fuse 6 from an external AC power source. Then, noise is removed by the filter 8, and an AC voltage of 220 V is output from the filter 8 to the transformer 10. Next, an alternating voltage having a magnitude reduced in pressure from the transformer 10 to the bridge diode 12 is output.

Next, a periodic wave voltage is output from the bridge diode 12 to the first noise removing member D1. Subsequently, noise is removed from the first noise removing member D1. Next, a periodic wave voltage is output from the first noise removing member D1 to the capacitors C1 and C2. Next, a DC voltage is output from the capacitors C1 and C2 to the first voltage regulator 14.

Subsequently, a first DC voltage of 12 V is output from the first voltage regulator 14 to the second noise removing member D2 and the capacitor C3, and the outdoor load driving means from the first voltage regulator 14 32, a first DC voltage of 12V is output to the indoor fan motor driving means 34, the alarm sound generating means 24, the display means 58, and the wind direction motor driving means 60.

Next, noise is removed from the second noise removing member D2 and the capacitor C3, and then a 12V first direct current is applied to the capacitors C7 and C4 from the second noise removing member D2 and the capacitor C3. The voltage is output. The level of the first DC voltage is then stabilized in the capacitors C7 and C4. Subsequently, a first DC voltage of 12 V is output from the capacitors C7 and C4 to the first voltage regulator 16. Next, from the second voltage regulator 16, the control means 2, the zero crossing means 50, the indoor fan motor driving means 34, and the reset means 46 via the capacitors C5 and C6. ), The alarm sound generating means 24, the room temperature detecting means 52, the second temperature detecting means 54, the humidity detecting means 56, the operation mode selecting means 18 and the receiving means A second direct current voltage of 5V is output to (20).

The user then enters the run mode on the remote controller. The operation mode is, for example, a cooling mode. Subsequently, an operation mode is input from the remote controller to the receiving module 22 of the receiving means 20. Next, the operation mode is input from the receiving module 22 to the control means 2 via the resistors R6 and R8 and the capacitor C10.

Next, a high level control signal is outputted from the control means 2 to the nat gate NOT1 of the outdoor load driving means 32, and at the same time, the control unit 2 receives the indoor fan motor driving means 34. The high level control signal is output to the nat gate NOT10. At the same time, the oscillation signal is output from the control means 2 to the base of the transistor TR1 via the resistors R14 and R10 of the alarm sound generating means 24. Then, a voltage is applied to the relay RY1 so that the movable contact RY1a of the relay RY1 is connected to the fixed contact RY1b of the relay RY1. Next, an AC voltage of 220 V is applied to the compressor 28 and the outdoor fan motor 30 from an external AC power source. The compressor 28 then operates to circulate the refrigerant. At the same time, the outdoor fan motor 30 rotates to cool the outdoor heat exchanger.

Next, a 12 V first direct current voltage is applied to the semiconductor relay 38 of the indoor fan motor driving means 34 to turn on the semiconductor relay 38. Then, a voltage is applied from the filter 8 of the voltage supply means 4 to the indoor fan motor 36 so that the indoor fan motor 36 rotates. The indoor air is then circulated and heat exchanged around the indoor heat exchanger to cool the room.

At the same time, the transistor TR1 of the alarm sound generating means 24 repeats the turn-on and turn-off according to the frequency of the oscillation signal output from the control means 2. Then, a voltage is applied to the buzzer 26 so that the buzzer 26 generates an alarm sound having a frequency corresponding to the frequency output from the control means 2. Then, the user hears the alarm sound generated from the buzzer 26 and confirms that the operation mode is selected as the 'cooling mode'.

On the other hand, when the user attempts to change the operation mode while the air conditioning operation for making the air comfortable is continued, the user inputs a new operation mode, for example, a dehumidification mode, to the remote controller.

Next, the operation mode is output from the remote controller to the receiving module 22 of the receiving means 20. Next, the operation mode is output from the receiving module 22 to the control means 2 via the resistors R6 and R8 and the capacitor C10. Next, a control signal is output from the control means 2 to the outdoor load driving means 32 and the indoor fan motor driving means 34 so as to correspond to the dehumidification mode. At the same time, the oscillation signal is output from the control means 2 to the base of the transistor TR1 via the resistors R14 and R10 of the alarm sound generating means 24. The compressor 28, the outdoor fan motor 30, and the indoor fan motor 36 are then controlled to correspond to the dehumidification mode to dehumidify the room.

At the same time, as described above, a voltage is applied to the buzzer 26 so that the buzzer 26 generates an alarm sound having a frequency corresponding to the frequency of the oscillation signal output from the control means 2. Then, the user hears the alarm sound generated from the buzzer 26 and confirms that the operation mode has been changed to the 'dehumidification mode'.

As described above, according to the air conditioner according to the present invention, when the operation mode is changed, the user may easily confirm that the user has changed the operation mode by generating an alarm sound having a change in the loudness to ventilate the user's surroundings. Accurate control of the product Therefore, it is possible to control the product precisely, so that the product can be used conveniently.

In addition, by installing the first noise removing member and the second noise removing member in the voltage supply means to reduce noise in the voltage output from the voltage supply means to increase the efficiency of the product to reduce the power consumption of the product and to extend the life of the product. It has a very good effect that can be lengthened.

Claims (3)

An air conditioner comprising: a control means, a voltage supply means for supplying a DC voltage to the control means, an operation mode selection means for selecting one of the modes of 'remote controller use' and 'forced automatic operation' by a user; Receiving means for receiving a control signal transmitted from a remote controller, an alarm sound generating means for generating an alarm sound according to the oscillation signal output from the control means to call the user's attention when the operation mode is changed; An outdoor load driving means for driving a compressor and an outdoor fan motor according to a control signal output from the control means, and an indoor fan for circulating air heat-exchanged in the indoor heat exchanger in accordance with the control signal output from the control means. An air conditioner, characterized in that made of an indoor fan motor drive means for driving. The method of claim 1, wherein the alarm sound generating means is a transistor (TR1) is turned on / off in accordance with the oscillation signal output from the control means, and a DC voltage applied from a DC power supply according to the operating state of the transistor (TR1) And a buzzer for generating an alarm sound having a frequency corresponding to the frequency of the oscillation signal output from the control means. 2. The voltage supply means according to claim 1, wherein the voltage supply means propagates a filter for removing noise included in an AC voltage output from an AC power supply, a transformer for transforming an AC voltage output from an AC power supply, and an AC voltage output from the transformer. The rectified bridge diode, the first noise removing member D1 for removing noise included in the periodic wave voltage output from the bridge diode, and the periodic wave voltage passing through the first noise removing member D1 are DC voltages. A capacitor (C1, C2) for converting the voltage, a first voltage regulator for receiving a DC voltage from the capacitors (C1, C2), and outputting a first DC voltage; and included in the first DC voltage output from the first voltage regulator. A second noise removing member (D2) for removing the noise, a capacitor (C7, C4) for stabilizing the level of the first DC voltage passing through the second noise removing member (D2), and the large A second voltage regulator for receiving a first DC voltage from the sheets C7 and C4 and outputting a second DC voltage, and capacitors C5 and C6 for stabilizing a level of the second DC voltage output from the second voltage regulator. Air conditioner, characterized in that made.