JPH07139782A - Operation controller for air conditioner - Google Patents

Abstract

PURPOSE:To finish regenerating and cleaning operation in a short time by reducing the number of revolutions of a blower motor of an indoor unit side during regenerating and cleaning operation. CONSTITUTION:In the case of a regenerating and cleaning operation for cleaning offensive odor ingredient adsorbed by a deodorizing unit by thermal decomposition, it is switched to a plurality of blower motor number-of-revolutions stored previously in blower motor number-of-revolutions memory means 41 by blower motor number-of-revolutions altering means 42. Thus, it can be rapidly raised to a thermal decomposing temperature (about 300 deg.C) necessary for regenerating and cleaning operation by reducing the number of revolutions of a blower motor in the indoor side unit during regenerating and cleaning operation. In this manner, the regenerating and cleaning operation can be finished in a short time.

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 oxidize zeolite, alumina, silica, noble metals, rare earth metals as raw materials such as metals in an indoor unit of an air conditioner. A deodorizing device of an adsorption type thermal decomposition catalyst system, which is equipped with a deodorizing part coated with a deodorizing catalyst composed of a material and the like, and a heating part which is in close contact with the deodorizing part and which is constituted by a heater, and the room of an air conditioner. Time measuring means for measuring the cumulative operating time of the blower electric motor in the inner unit,
A time storage means for storing a predetermined fixed time, a time comparison means for comparing the electric motor cumulative operating time measured by the time measuring means with a fixed time defined by the time storage means, and this time comparison An operation control device comprising a heating part preheating operation means for performing opening / closing control of the heating part electric circuit in response to the determination result of the means and a heating part operation control means 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 unit for switching a plurality of current upper limit values stored in the upper limit current value storage unit according to the output of the heating unit operation control unit, and an operating current value detected by the operating current detection unit. And an upper limit current value selected by the upper limit current value changing unit, and a current value comparing unit.

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 in accordance with 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. The control means and the wind direction blade angle changing means for switching the plurality of wind direction blade angles stored in the wind direction blade angle storage means according to the output of the heating section operation control means.

[0009]

The operation of the above technical means is as follows.

According to the present invention, since the regenerating and purifying operation can be automatically carried out at a constant time interval with the above-mentioned constitution, it is unnecessary to regularly purchase and replace a new deodorizing device like the conventional deodorizing device. In addition, it is possible to semi-permanently provide the user with extremely excellent deodorizing performance.

Further, in the present invention, since the upper limit current value set in the current value comparison means during the regeneration / purification operation is set by subtracting the current value generated in the heating section, the operating current flowing in the outdoor unit of the air conditioner is set. Will be controlled by 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.

Further, according to the present invention, the compressor operation is not stopped during the regeneration and purification operation, and the operation is continued at a rotational speed as low as possible, so that the comfort of the cooling and heating operation is not impaired.

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 to reduce the thermal decomposition temperature (about 300) required for the regeneration / purification operation.
It is possible to rapidly raise the temperature to 0 ° C), and it is possible to end the regeneration and purification operation in a single hour.

Further, according to the present invention, by controlling the rotation angle of the wind direction control blades provided at the outlet of the indoor unit, it is possible to prevent the blown air from directly hitting the user during the regeneration and purification operation, which is uncomfortable. The regeneration and purification operation can be performed without giving.

Further, according to the present invention, since the heating portion is preheated before the regeneration / purification operation, the effective regeneration / purification operation can be performed.

[0016]

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. Is. Reference numeral 16 is a heating unit operation control means.

The operation of the above arrangement will be described below. When the cooling operation is started in the air conditioner, the operation of the blower electric motor 6 is started and the accumulated operation time measured by the accumulated operation time measuring means 7 is stored in the accumulated operation time storage means 8. The accumulated operation time stored in the storage means is the set operation accumulated time t1 stored and set by the set operation accumulated time storage means 9 (for example, 12 [h]).
The accumulated operating time comparing means 10 determines whether or not it has reached, and if the accumulated operating time exceeds the set operating time, the heating portion operation control means 11 controls the opening / closing of the heating portion electric circuit. As described above, the heating unit operation control can be performed at a constant time interval after the cooling operation of the air conditioner is started.

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
2 is an operating current value detecting means for detecting an actual operating current value of the air conditioner, and 23 is stored in the upper limit current value storing means according to the outputs of the heating part preheating operation control means and the heating part operation control means according to claim 1. An upper limit current value changing means for switching a plurality of stored current upper limit values, and 24 an operating current 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. It is a value comparison means.

The operation of the above arrangement will be described below. When the cooling operation is started in the air conditioner, the heating section operation control means 11 according to claim 1 controls the opening and closing of the heating section electric circuit. When the electric circuit of the heating unit is open, that is, during the regeneration / purification operation, the upper limit current value preset in the upper limit current value storage means 21 (for example, I1 = 13.2A) is the current value generated in the heating unit. In order to reduce the amount, the upper limit current value changing unit 23 switches to a plurality of current upper limit values (for example, I2 = 10.2A) stored in the upper limit current value storage unit 21. The operating current value in the air conditioner detected by the operating current value detecting means 22 is the upper limit current value (for example, I2 =) selected by the operating current value comparing means 24 by the upper limit current value changing means.
10.2A). As described above, since the upper limit current value during the regeneration purification operation is set by subtracting the current value generated in the heating unit, the operating current flowing through the indoor unit of the air conditioner is controlled by reducing it. It is possible to perform safe regeneration / purification operation control 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 indoor 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 arrangement will be described below. When the operation of the air conditioner is started, the heating part operation control means 11 according to claim 1 controls the opening and closing of the heating part electric circuit. When the electric circuit of the heating unit is open, that is, during the regeneration / purification operation, the compressor operating speed changing means 32 stores a plurality of compressor operating speeds stored in advance in the compressor operating speed storing means 31. The operating speed of the compressor is switched to (for example, N1 = 1600 rpm). As described above, the compressor operation is not stopped during the regeneration / purification operation, and the compressor is operated at the lowest possible rotation speed, so that the comfort of the living space is not impaired.

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 part 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 and the heating part operation control means 11 according to claim 1 perform opening / closing control of the heating part electric circuit.
When the electric circuit of the heating unit is open, that is, during the regeneration / purification operation, the blowing motor operating speed changing unit 42 stores the blowing motor operating speed in the blowing motor operating speed storage unit 41 in advance. Further, it is possible to switch to a plurality of rotation speeds of the blowing motor (for example, n1 = 800 rpm). As described above, during the regeneration / purification operation, it is possible to rapidly increase the thermal decomposition temperature (about 300 ° C.) required for the regeneration / purification operation by reducing the operating speed of the blower electric motor in the indoor unit. It is possible to finish the regeneration purification operation in a single hour.

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 a wind direction blade angle control electric motor in an indoor unit of an air conditioner, and 52 is a heating part preheating operation control means according to claim 1. The wind direction blade angle changing means switches the plurality of wind direction blade angles stored in the wind direction blade angle storage means according to the output of the heating part 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 and the heating part operation control means 11 according to claim 1 perform opening / closing control of the heating part electric circuit.
When the electric circuit of the heating unit is open, that is, during the regeneration / purification operation, the wind direction blade angle changing unit 52 causes the wind direction blade angle storage unit 51 to store a plurality of wind direction blade angles (for example, θ = 20 °). ) Is switched to. As described above, during the regeneration / purification operation, by controlling the rotation angle of the wind direction control blade provided at the air outlet of the indoor unit, it is possible to prevent the blown wind from directly hitting the user during the regeneration / purification operation, which causes discomfort. It is possible to perform the regeneration and purification operation without giving.

[0026]

As is apparent from the above-described embodiments, the present invention can automatically carry out the regeneration / purification operation at regular time intervals, so that a regular new deodorizing device such as a conventional deodorizing device can be used. It becomes unnecessary to purchase and replace, and it is possible to semi-permanently provide the user with extremely excellent deodorizing performance.

Further, in the present invention, since the upper limit current value set in the current value comparing means during the regeneration / purification operation is set by subtracting the current value generated in the heating section, the operating current flowing in the outdoor unit of the air conditioner is set. Will be controlled by 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.

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 lowest possible rotation speed, so that the comfort of the cooling and heating operation is not impaired.

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 to reduce the thermal decomposition temperature (about 300) required for the regeneration / purification operation.
It is possible to rapidly raise the temperature to 0 ° C), and it is possible to end the regeneration and purification operation in a single hour.

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

Further, according to the present invention, it is possible to preheat the heating portion in advance before the regeneration and purification operation to surely perform the regeneration and purification.

[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.

[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 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 operation Current value comparison means 31 Compressor operating speed storage means 32 Compressor operating speed changing means 41 Blower electric motor operating speed storage means 42 Blower electric motor operating speed changing means 51 Wind direction blade angle storage means 52 Wind direction blade angle changing means

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Internal reference number FI Technical display location F24F 1/00 371 Z (72) Inventor Eiji Nakatsuka 1006 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Industrial Within the corporation

Claims (5)

[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. The time storage means, the electric motor cumulative operating time measured by the time measurement means, and a fixed time determined by the time storage means are compared with each other, and the heating is performed in response to the judgment result of the time comparison means. An air conditioner operation control device comprising a heating part preheating operation control means for controlling opening and closing of an electric circuit of a heating section and a heating section operation control means. 2. The heating part preheating according to claim 1, further comprising: an upper limit current value storage means capable of storing a plurality of operating current upper limit values of the air conditioner, an operating current detecting means for detecting an actual operating current value of the air conditioner. 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 according to outputs of the operation control means and the heating part operation control means, and an operating current value detected by the operation current detecting means. And comparing the upper limit current value selected by the upper limit current value changing means,
The operation control device for an air conditioner according to claim 1, further comprising a current value comparison means. 3. A compressor operating speed storage means capable of storing a plurality of operating speeds of a compressor in an outdoor unit of an air conditioner, a heating part preheating operation control means according to claim 1, and a heating part. 3. The 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 storing means in accordance with an output of the operation controlling means. Operation control device. 4. A blowing motor operating speed storage means capable of storing a plurality of operating speeds of a blowing motor in an indoor unit of an air conditioner, and heating section preheating operation control means and heating according to claim 1. The 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 partial operation control means. Air conditioner operation control device. 5. A wind direction vane angle storage means capable of storing a plurality of rotation angles of a wind direction vane angle control motor in an indoor unit of an air conditioner, and a heating section preheating operation control means and a heating section according to claim 1. 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 according to an output of the operation control means.