JPH07139783A - Operation controller for air conditioner - Google Patents

Abstract

PURPOSE:To conduct regenerating and cleaning operation without imparting discomfort feeling by controlling a rotating angle of a wind direction control blade provided in a diffuser of an indoor side unit in response to the operation mode of an air conditioner during regenerating and cleaning operation. CONSTITUTION:In the case of a regenerating and cleaning operation for cleaning offensive odor ingredient adsorbed to a deodorizing unit by thermal decomposition, it is switched to a plurality of wind direction blade angles (e.g. an angle at the time of cooling = 20 deg.) stored previously in wind direction blade angle memory means 51 by wind direction blade angle altering means 52 in response to the operation mode of an air conditioner. Thus, contact of diffusing air directly with a user during regenerating and cleaning operation can be prevented by controlling a rotating angle of a wind direction control blade provided in the diffuser of an indoor side unit in response to the operation mode of the conditioner. In this manner, regenerating and cleaning operation can be conducted without imparting discomfort feeling.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor unit which is provided with a deodorizing device comprising an adsorption type pyrolysis catalyst type deodorizing section and a heating section which is in close contact with the deodorizing section and is constituted by a heater or the like. In the harmony machine, the heating operation by the heating part (hereinafter referred to as the regenerating and cleaning operation) to regenerate and recover the deodorizing performance by purifying the odorous components adsorbed in the deodorizing portion by thermal decomposition and maintain the semi-permanent deodorizing performance. The present invention relates to an operation control device for.

[0002]

2. Description of the Related Art In a conventional air conditioner, for example, a deodorizing effect against an unpleasant odor such as cigarette odor or nightmarine odor in an air intake portion of an indoor unit as disclosed in JP-A-1-107825. Deodorization was performed by attaching an air filter or the like made of urethane foam containing granular activated carbon impregnated with a high deodorizing agent.

[0003]

However, since the deodorizing performance of such a conventional deodorizing device deteriorates with the passage of time, a new air filter containing granular activated carbon impregnated with a deodorizing agent is purchased every few months. Had to replace.

[0004]

Means for Solving the Problems The technical means of the present invention for solving the above-mentioned problems is to provide a material such as metal, such as zeolite, alumina, silica, in an indoor unit of an air conditioner.
An adsorption type pyrolysis catalyst type deodorizing device equipped with a deodorizing portion coated with a deodorizing catalyst composed of a noble metal, a rare earth oxide or the like and a heating portion configured by a heater or the like, which is in close contact with the deodorizing portion, and air A time measuring means for measuring the cumulative operating time of the blower electric motor in the indoor unit of the harmony machine, a time storing means for storing a predetermined fixed time, and an electric motor cumulative operating time measured by the time measuring means. A time comparison means for comparing a fixed time determined by the time storage means, an operation mode determination means for determining the operation mode of the air conditioner, a determination result of the operation mode determination means, and a determination of the time comparison means In response to the result, the operation control device including the heating part preheating operation control means for controlling the opening / closing of the heating part electric circuit is provided.

In addition to the above operation control contents, an upper limit current value storage means capable of storing a plurality of air conditioner operation current upper limit values, and an operation current detection means for detecting the operation current value of the air conditioner outdoor unit. And an upper limit current value changing means for switching a plurality of current upper limit values stored in the upper limit current value storage means in accordance with the outputs of the heating part preheating operation control means and the heating part operation control means, and the operating current detection It is provided with current value comparison means for comparing the operating current value detected by the means with the upper limit current value selected by the upper limit current value changing means.

Further, in addition to the above operation control contents, a compressor operation speed storage means capable of storing a plurality of operation speeds of the compressor in the outdoor unit of the air conditioner, and the above heating section preheating operation control. And a compressor operating speed changing means for switching a plurality of compressor operating speeds stored in the compressor operating speed storage means according to the outputs of the means and the heating part operation control means.

Further, in addition to the above-mentioned operation control contents, a blower electric motor operating speed storing means capable of storing a plurality of operating speeds of the blower electric motor in the indoor unit of the air conditioner, and the above heating part preheating. According to the outputs of the operation control means and the heating section operation control means, there is provided a blower electric motor operating speed changing means for switching a plurality of blower electric motor operating speeds stored in the blower electric motor operating speed storage means. It is a thing.

Further, in addition to the above operation control contents, wind direction blade angle storage means capable of storing a plurality of rotation angles of the wind direction blade angle control electric motor in the indoor unit of the air conditioner, and the above-mentioned heating section preheating operation. A wind direction blade angle changing means for switching a plurality of wind direction blade angles stored in the wind direction blade angle storage means according to the outputs of the control means and the heating section operation control means.

Further, in addition to the above operation control contents, heating section energization time storage means capable of storing a plurality of energization times of the heating section in the indoor unit of the air conditioner, and the heating section preheating operation according to claim 1. The heating means energization time changing means for switching the plurality of heating means energization times stored in the heating means energization time storage means according to the outputs of the control means and the heating means operation control means.

[0010]

The operation of the above technical means is as follows.

In the present invention, since the regeneration and purification operation can be automatically performed at a constant time interval according to the operation mode of the air conditioner according to the above-described configuration, it is possible to periodically perform the regeneration and purification operation as in the conventional deodorizing device. It becomes unnecessary to purchase and replace a new deodorizing device, and it is possible to semi-permanently provide the user with extremely excellent deodorizing performance.

Further, according to the present invention, by preheating the heating part without disturbing the living environment before the regeneration / purification operation, the thermal decomposition temperature (about 300 ° C.) required for the regeneration / purification operation can be reached in a short time. The regeneration purification operation can be ended in time.

Further, according to the present invention, the upper limit current value set by the current value comparison means during the regeneration / purification operation is set by subtracting the current value generated in the heating section according to the operation mode of the air conditioner. The operating current flowing through the outdoor unit of the air conditioner will be controlled by reducing that amount, and safe regeneration and purification operation control can be performed without exceeding the current capacity of the outlet plug of the air conditioner. is there.

Further, according to the present invention, the compressor operation is not stopped during the regeneration and purification operation, and the operation is continued at the optimum rotation speed according to the operation mode of the air conditioner, so that the comfort of the user is not impaired. Also, the regeneration temperature can always be stabilized at a substantially constant temperature.

Further, according to the present invention, during the regeneration / purification operation, the operation speed of the blower electric motor in the indoor unit is reduced according to the operation mode of the air conditioner, so that the pyrolysis temperature required for the regeneration / purification operation is reduced. The temperature can be rapidly raised to (about 300 ° C.), and the regeneration / purification operation can be completed in a short time. Also, the regeneration temperature can be always stabilized at a substantially constant temperature.

Further, according to the present invention, by controlling the rotation angle of the wind direction control blade provided at the outlet of the indoor unit according to the operation mode of the air conditioner, the blown air is used directly during the regeneration and purification operation. It is possible to prevent the person from hitting the person, and the regeneration and purification operation can be performed without giving discomfort.

Further, according to the present invention, by controlling the energization time of the heating section in the indoor unit of the air conditioner according to the operation mode of the air conditioner, the pyrolysis temperature (about 300) required for the regeneration and purification operation is controlled. C.) can be stably ensured, and the regeneration and purification operation can be completed in the shortest time according to the operation mode.

Further, according to the present invention, since the heating portion is preheated before the regeneration / purification operation, the regeneration / purification operation can be effectively performed in a short time.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are a perspective view and a cross-sectional view of an air conditioner indoor unit including a deodorizing device, respectively. In the figure, 1 is a deodorizing unit, which has a deodorizing catalyst 2 and a heating unit 3. Further, 4 is a suction part, 5 is a heat exchanger, and 6 is a blower electric motor. FIG. 3 is a schematic block diagram of the air conditioner according to the first embodiment of the present invention. In FIG. 3, 11 is a time measuring means for measuring the accumulated operation time from the start of operation of the blower motor, 12 is a time storage means for the accumulated blower motor operation time measured by the time measuring means 11, and 13 is predetermined. Fixed time t1
For storing the time, 14 for the time storage means 12
The time comparison means for comparing the cumulative operation time of the blower electric motor stored in the setting time and the preset time t1 preset and stored in the preset time storage means 13, and 15 is a heating part preheating operation control means for controlling opening / closing of the heating part electric circuit. Reference numeral 16 is a heating unit operation control means, and 17 is an operation mode determination means for determining the operation mode of the air conditioner.

The operation of the above arrangement will be described below. When the operation is started in the air conditioner,
The accumulated operation time measured by the accumulated operation time measuring means 11 after the operation of the blower electric motor 6 is started is stored in the accumulated operation time storage means 12. The accumulated operation time stored in the storage means is set accumulated operation time t1 (for example, 12) which is stored and set by the accumulated operation time storage means 13.
[H]) is reached by the cumulative operating time comparison means 14, and if the cumulative cumulative operating time is exceeded, the heating section preheating operation control means 15 and The heating part operation control means 16 controls the opening and closing of the heating part electric circuit. As described above, it becomes possible to perform the heating part operation control according to the operation mode at a constant time interval after the operation of the air conditioner is started.

The above contents are the operation modes (cooling, dry,
This is because the operating speed of the blower electric motor in the indoor unit differs depending on (heating), so the saturation time of the odor adsorbed in the deodorizing unit also differs, and therefore the timing for regenerating and purifying must be changed depending on the operating mode ( For example, in heating operation, if the time spent for regeneration and purification is about 8 hours,
It is about 12 hours during the cooling operation in which the rotation speed of the blower electric motor is lower than that in the heating operation. ).

Next, a second embodiment of the present invention will be described. FIG. 4 is a schematic block diagram of the air conditioner in the second embodiment of the present invention. In FIG. 4, reference numeral 21 denotes an upper limit current value storage means capable of storing a plurality of air conditioner operating current upper limit values, 2
Reference numeral 2 is an operating current value detecting means for detecting an actual operating current value of the air conditioner, and 23 is a plurality of currents stored in the upper limit current value storing means according to the output of the heating part operation controlling means. Upper limit current value changing means for switching the upper limit value, 24
Is operating current value comparing means for comparing the operating current value detected by the operating current detecting means with the upper limit current value selected by the upper limit current value changing means.

The operation of the above arrangement will be described below. When the operation of the air conditioner is started, the heating part preheating operation control means 15 and the heating part operation control means 16 according to claim 1 perform opening / closing control of the heating part electric circuit according to the operation mode of the air conditioner. . And, when the heating part electric circuit is closed, that is, during the regeneration purification operation,
A plurality of upper limit current values preset in the upper limit current value storage means 21 (for example, cooling time I1 = 13.2 A) are stored in the upper limit current value storage means 21 in order to reduce the current value generated in the heating portion. Current upper limit value (for example, I2 = 1 during cooling)
It is switched to 0.2 A) by the upper limit current value changing means 23. Further, the operating current value in the air conditioner detected by the operating current value detecting means 22 is the upper limit current value selected by the operating current value comparing means 24 by the upper limit current value changing means (for example, I2 = 10.2A during cooling). Compared to.
As described above, in order to set the upper limit current value during the regeneration purification operation corresponding to the operation mode of the air conditioner by subtracting the current value generated in the heating unit, the operating current flowing through the outdoor unit of the air conditioner is Therefore, even during the regeneration / purification operation by the superheater operation, the safe regeneration / purification operation control can be performed without exceeding the current capacity of the outlet plug of the air conditioner.

Next, a third embodiment of the present invention will be described. FIG. 5 is a schematic block diagram of an air conditioner according to a third embodiment of the present invention. In FIG. 5, 31 is a compressor operating speed storage means capable of storing a plurality of operating speeds of the compressor in the outdoor unit of the air conditioner, and 32 is a heating part preheating operation control means and heating according to claim 1. Compressor operating speed changing means for switching a plurality of compressor operating speeds stored in the compressor operating speed storage means according to the output of the partial operation control means.

The operation of the above configuration will be described below. When the operation of the air conditioner is started, the heating part preheating operation control means 15 and the heating part operation control means 16 according to claim 1 perform opening / closing control of the heating part electric circuit according to the operation mode of the air conditioner. . And, when the heating part electric circuit is closed, that is, during the regeneration purification operation,
Depending on the operation mode of the air conditioner, the compressor operating speed changing means 32 determines the compressor operating speed as a plurality of compressor operating speeds stored in advance in the compressor operating speed storage means 31 (for example, during cooling). N1 = 1600 rpm). As described above, during the regeneration / purification operation, the compressor operation is not stopped, and the compressor is operated at the optimum rotation speed according to the operation mode of the air conditioner, so that comfort of the living space due to the compressor stop is not impaired, Also, the regeneration temperature can always be stabilized at a substantially constant temperature (for example, cooling and
Since the blowout temperature is different in the heating operation, the ambient temperature of the heating section is also different.Therefore, by changing the compressor operating speed during regeneration purification in the operation mode, the regeneration temperature can be stabilized at a substantially constant level and at the same time The regeneration and purification operation can be ended in time. ).

Next, a fourth embodiment of the present invention will be described. FIG. 6 is a schematic block diagram of an air conditioner according to the fourth embodiment of the present invention. In FIG. 6, 41 is a blower electric motor operating speed storage means capable of storing a plurality of operating speeds of the blower electric motor in the indoor unit of the air conditioner, and 42 is a heating part preheating operation control means according to claim 1. And a blower electric motor operating speed changing means for switching a plurality of blower electric motor operating speeds stored in the blower electric motor operating speed storage means according to the output of the heating unit operation controlling means.

The operation of the above arrangement will be described below. When the operation of the air conditioner is started, the heating part preheating operation control means 15 and the heating part operation control means 16 according to claim 1 perform opening / closing control of the heating part electric circuit according to the operation mode of the air conditioner. . And, when the heating part electric circuit is closed, that is, during the regeneration purification operation,
Depending on the operation mode of the air conditioner, the blower electric motor operating speed changing means 42 changes the blower electric motor operating speed to a plurality of blower electric motor operating speeds stored in advance in the blower electric motor operating speed storing means 41. (For example, during cooling n1 = 80
0 rpm). As described above, during the regeneration / purification operation, by reducing the operation speed of the blower electric motor in the indoor unit according to the operation mode of the air conditioner,
It is possible to rapidly raise the thermal decomposition temperature (about 300 ° C.) necessary for the regeneration purification operation, and it is possible to end the regeneration purification operation in a short time (as described in the third embodiment, For example, in cooling / heating operation, the outlet temperature is different, so the ambient temperature of the heating part is also different. Therefore, during regeneration purification, the operating temperature of the blower motor in the room is changed in the operating mode to stabilize the regeneration temperature almost constant. It is possible to end the regeneration purification operation in a short time as well. Next, a fifth embodiment of the present invention will be described. FIG. 7 is a schematic block diagram of an air conditioner according to the fifth embodiment of the present invention. In FIG. 7, reference numeral 51 is a wind direction blade angle storage means capable of storing a plurality of blade angles of the wind direction blade angle controlling electric motor in the indoor unit of the air conditioner,
Reference numeral 52 is wind direction blade angle changing means for switching a plurality of wind direction blade angles stored in the wind direction blade angle storage means according to the outputs of the heating part preheating operation control means and the heating part operation control means.

The operation of the above arrangement will be described below. When the operation of the air conditioner is started, the heating part preheating operation control means 15 and the heating part operation control means 16 according to claim 1 perform opening / closing control of the heating part electric circuit according to the operation mode of the air conditioner. . And, when the heating part electric circuit is closed, that is, during the regeneration purification operation,
Depending on the operation mode of the air conditioner, the wind direction vane angle changing means 52 switches the wind direction vane angle storage means 51 to a plurality of wind direction vane angles (for example, θ = 20 ° during cooling). As described above, during the regeneration / purification operation according to the operation mode of the air conditioner, by controlling the rotation angle of the wind direction control blades provided at the air outlet of the indoor unit, the wind blown out directly during the regeneration / purification operation by the user. Therefore, it is possible to perform the regeneration purification operation without causing discomfort.

Next, a sixth embodiment of the present invention will be described. FIG. 8 is a schematic block diagram of an air conditioner according to a sixth embodiment of the present invention. In FIG. 8, 61 is a heating part energization time storage means capable of storing a plurality of energization times of the heating part in the indoor unit of the air conditioner, and 62 is a heating part preheating operation control means and heating part operation according to claim 1. The heating unit energization time changing unit switches the plurality of heating unit energization times stored in the heating unit energization time storage unit according to the output of the control unit.

The operation of the above configuration will be described below. When the operation of the air conditioner is started, the heating part preheating operation control means 15 and the heating part operation control means 16 according to claim 1 perform opening / closing control of the heating part electric circuit according to the operation mode of the air conditioner. . And, when the heating part electric circuit is closed, that is, during the regeneration purification operation,
Depending on the operation mode of the air conditioner, the heating section energization time changing means 62 causes the heating section energization time storage means 61 to store a plurality of heating section energization times (for example, cooling time T = 8).
Minutes). As described above, by controlling the heating energization time of the heating unit provided in the indoor unit during the regeneration / purification operation according to the operation mode of the air conditioner, the thermal decomposition temperature (about 300 ° C) required for the regeneration / purification operation is stabilized. It is possible to ensure the above, and it is possible to end the regeneration and purification operation in the shortest time according to the operation mode.

[0031]

As is apparent from the above embodiments, according to the present invention, the regenerating and purifying operation can be automatically carried out at a constant time interval according to the operation mode of the air conditioner. It becomes unnecessary to purchase and replace a new deodorizing device on a regular basis, and it is possible to semi-permanently provide a user with extremely excellent deodorizing performance.

Further, according to the present invention, the upper limit current value set by the current value comparison means during the regeneration / purification operation is set by subtracting the current value generated in the heating section according to the operation mode of the air conditioner. The operating current flowing through the outdoor unit of the air conditioner is reduced by that amount, and safe regeneration / purification operation control can be performed without exceeding the current capacity of the outlet plug of the air conditioner.

Further, according to the present invention, the compressor operation is not stopped during the regeneration / purification operation, and the compressor is continuously operated at the optimum rotation speed according to the operation mode of the air conditioner. Can be prevented, and the regeneration temperature can be stabilized at a substantially constant temperature.

Further, according to the present invention, during the regeneration / purification operation, the operation speed of the blower motor in the indoor unit is reduced according to the operation mode of the air conditioner, so that the thermal decomposition temperature required for the regeneration / purification operation is reduced. The temperature can be rapidly raised to (about 300 ° C.), and the regeneration / purification operation can be completed in a short time. Also, the regeneration temperature can be always stabilized at a substantially constant temperature.

Further, according to the present invention, by controlling the rotation angle of the wind direction control blade provided at the outlet of the indoor unit according to the operation mode of the air conditioner, the blown air is used directly during the regeneration and purification operation. It is possible to prevent the person from hitting the person and to perform the regeneration / purification operation without causing discomfort.

Further, according to the present invention, by controlling the energization time of the heating section in the indoor unit of the air conditioner according to the operation mode of the air conditioner, the pyrolysis temperature (about 300) required for the regeneration and purification operation is controlled. C.) can be stably ensured, and the regeneration and purification operation can be completed in the shortest time according to the operation mode.

Further, according to the present invention, by preheating the heating part in advance without disturbing the living environment before the regeneration and purification operation, the thermal decomposition temperature required for the regeneration and purification operation can be reached in a short time, and the regeneration and purification can be performed in the shortest time. The operation can be ended.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of an air conditioner indoor unit according to an embodiment of the present invention.

FIG. 2 is a sectional view of an air conditioner indoor unit configuration according to an embodiment of the present invention.

FIG. 3 is a schematic block diagram of an operation control device for an air conditioner according to the first embodiment of the present invention.

FIG. 4 is a schematic block diagram of an operation control device for an air conditioner according to a second embodiment of the present invention.

FIG. 5 is a schematic block diagram of an operation control device for an air conditioner according to a third embodiment of the present invention.

FIG. 6 is a schematic block diagram of an operation control device for an air conditioner according to a fourth embodiment of the present invention.

FIG. 7 is a schematic block diagram of an operation control device for an air conditioner according to a fifth embodiment of the present invention.

FIG. 8 is a schematic block diagram of an operation control device for an air conditioner according to a sixth embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Deodorizing section 2 Deodorizing catalyst 3 Heating section 4 Suction section 5 Heat exchanger 6 Blower 7 Casing 8 Deodorizing device 11 Cumulative operation time measuring means from start of operation of blower motor 12 Means of storage of accumulated operation time from start of blower motor 13 Set cumulative time storage means 14 Operation cumulative time comparison means 15 Heating part preheating operation control means 16 Heating part operation control means 17 Operating mode determination means 21 Upper limit current value storage means 22 Air conditioner operating current value detection means 23 Upper limit current value changing means 24 Air Conditioner Operating Current Value Comparison Means 31 Compressor Operating Revolutions Memory Means 32 Compressor Operating Revolutions Changing Means 41 Blower Motor Operating Revolutions Memory Means 42 Blower Electric Motor Operating Revolutions Modifying Means 51 Wind Direction Blade Angle Means 52 Wind direction blade angle changing unit 61 heating unit energization time storage unit 62 heating unit energization time changing unit

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁶ Identification number Office reference number FI Technical indication location F24F 1/00 371 Z (72) Inventor Shigeru Nariho 1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Within the corporation

Claims (6)

[Claims] 1. A deodorizing portion in which a material such as a metal is coated with a deodorizing catalyst made of zeolite, alumina, silica, a noble metal, a rare earth oxide or the like, and a heating portion constituted by a heater or the like, which is in close contact with the deodorizing portion. In an air conditioner equipped with an adsorption type thermal decomposition catalyst type deodorizing device, a time measuring means for measuring an accumulated operating time of a blower electric motor in an indoor unit of the air conditioner, and a predetermined fixed time is stored. An operation mode judgment for judging the operation mode of the time conditioner and the air conditioner, which compares the motor cumulative operating time measured by the time measuring means with the fixed time determined by the time memory means. Means, a heating section preheating operation control means for performing opening / closing control of the heating section electric circuit in response to the judgment result of the operation mode judgment means and the judgment result of the time comparison means, and heating. Operation control device for air conditioner and a driving control means. 2. An upper limit current value storage means capable of storing a plurality of operating current upper limit values of an air conditioner, an operating current detection means for detecting an actual operating current value of an air conditioner, a heating part preheating operation control means, and heating. Upper limit current value changing means for switching a plurality of current upper limit values stored in the upper limit current value storage means according to the output of the partial operation control means, an operating current value detected by the operating current detection means, and the upper limit current The operation control device for an air conditioner according to claim 1, further comprising a current value comparison unit that compares the upper limit current value selected by the value changing unit. 3. Outputs of compressor operating speed storage means capable of storing a plurality of operating speeds of a compressor in an outdoor unit of an air conditioner, heating part preheating operation control means, and heating part operation control means. The operation control device for an air conditioner according to claim 2, further comprising: compressor operating speed changing means for switching a plurality of compressor operating speeds stored in the compressor operating speed storage means. 4. A blower electric motor operating speed storage means capable of storing a plurality of operating speeds of a blower electric motor in an indoor unit of an air conditioner, a heating section preheating operation control means and a heating section operation control means. 4. The operation of the air conditioner according to claim 3, further comprising: a blower electric motor operating speed changing means for switching a plurality of blower electric motor operating speeds stored in the blower electric motor operating speed storage means according to an output. Control device. 5. Outputs of wind direction blade angle storage means capable of storing a plurality of rotation angles of the wind direction blade angle control electric motor in the indoor unit of the air conditioner, heating part preheating operation control means and heating part operation control means. 5. The operation control device for an air conditioner according to claim 4, further comprising: wind direction blade angle changing means for switching a plurality of wind direction blade angles stored in the wind direction blade angle storage means. 6. A heating part energization time storage means capable of storing a plurality of energization times of a heating part in an indoor unit of an air conditioner, a heating part preheating operation control means, and a heating part operation control means according to outputs. The operation control device for an air conditioner according to claim 5, further comprising: a heating unit energization time changing unit that switches a plurality of heating unit energization times stored in the heating unit energization time storage unit.