JP3341415B2 - Operation control device for air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner provided with a deodorizing device comprising a deodorizing section of an adsorption type pyrolysis catalyst type in an indoor unit and a heating section constituted by a heater or the like which is in close contact with the deodorizing section. In the machine, a heating operation by a heating unit (hereinafter, referred to as a regeneration and purification operation) for regenerating and recovering the deodorization performance by purifying odor components adsorbed to the deodorization unit by thermal decomposition and maintaining a semi-permanent deodorization performance. )).

[0002]

2. Description of the Related Art A conventional air conditioner has a deodorizing effect against an odor such as a cigarette odor or a human odor at an air suction portion of an indoor unit as disclosed in, for example, JP-A-1-107825. Deodorization has been performed by attaching an air filter or the like made of urethane foam containing granular activated carbon to which a high deodorant is attached.

[0003]

However, in such a conventional deodorizing apparatus, since the deodorizing performance decreases with the passage of time, a new air filter containing granular activated carbon to which a deodorant has been added is purchased every few months. Had to be replaced.

[0004]

Means for Solving the Problems The technical means of the present invention for solving the above-mentioned problems is that zeolite, alumina, silica, precious metal, rare earth oxide are added to a material such as metal in an indoor unit of an air conditioner. An air conditioner equipped with an adsorption type pyrolysis catalyst type deodorizing device including a deodorizing unit coated with a deodorizing catalyst made of a material and a heating unit configured to be in close contact with the deodorizing unit. A suction temperature measuring means for measuring an upper limit value and a lower limit value of the suction temperature; a suction temperature difference calculating means for calculating a difference between an upper limit value and a lower limit value of the suction temperature measured by the suction temperature measuring means; A suction temperature difference storage means for storing a constant suction temperature difference; a difference between an upper limit value and a lower limit value of the suction temperature calculated by the suction temperature difference calculation means; and a constant suction temperature determined by the suction temperature difference storage means. Suction temperature difference comparing means for comparing the difference with the air conditioner, time measuring means I for measuring the cumulative operation time of the blower motor in the indoor unit of the air conditioner, and time storing means I for storing a predetermined fixed time. A time comparing means I for comparing the accumulated motor operating time measured by the time measuring means I with a fixed time determined by the time storing means I; and a time measuring means II for measuring an elapsed time from the start of the operation. A time storage means II for storing a predetermined time, a time comparison means II for comparing the elapsed time of the time measurement means II with the time of the time storage means II, and a suction temperature difference comparison means. An air conditioner operation control device comprising heating unit operation control means for controlling the opening and closing of the heating unit electric circuit based on the results obtained by the comparison means I and the time comparison means II A.

[0005] 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 an operation current value of the air conditioner outdoor unit. An upper limit current value changing unit that switches a plurality of current upper limits stored in the upper limit current value storage unit in accordance with an output of the heating unit operation control unit, an operating current value detected by the operating current detecting unit, Current value comparing means for comparing 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 a heating unit operation according to claim 1. 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 an output of the control means.

[0007] Further, in addition to the above operation control contents, a blower motor operating speed storage means capable of storing a plurality of operating speeds of the blower motor in the indoor unit of the air conditioner;
And a blower motor operating speed changing means for switching a plurality of blower motor operating speeds stored in the blower motor operating speed storage means in accordance with an output of the heating operation control means according to claim 1. Things.

Further, in addition to the above operation control contents, wind direction blade angle storage means capable of storing a plurality of rotation angles of a wind direction blade angle control motor in the indoor unit of the air conditioner,
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 an output of the heating operation control means according to claim 1.

[0009]

The operation of the above technical means is as follows.

According to the present invention, the optimum time
At intervals, the regeneration and purification operation can be performed automatically without compromising the comfort of the living space, making it unnecessary to regularly purchase and replace new deodorizing equipment, as with conventional deodorizing equipment. Excellent deodorizing performance can be provided semi-permanently to the user. Also, at this time,
After confirming that the air conditioning is stable,
As it enters the regeneration cleaning operation, it may impair the comfort of the living space.
In addition, the regeneration purification operation can be performed.

In the present invention, since the upper limit current value set by the current value comparing means during the regeneration purifying operation is set by subtracting the current value generated in the heating section, the operating current flowing through the outdoor unit of the air conditioner is set. Is reduced 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 purification operation, and the compressor is operated at the lowest possible rotational speed, so that the user does not feel uncomfortable in the living space due to the stop of the compressor.

Further, according to the present invention, during the regeneration and purification operation, the operating speed of the blower motor in the indoor unit is reduced to reduce the thermal decomposition temperature (about 300
° C), and the regeneration purifying operation can be completed in a short time.

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 makes the user uncomfortable. , The regeneration purifying operation can be performed.

[0015]

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 FIG. 1, reference numeral 1 denotes a deodorizing section, which has a deodorizing catalyst 2 and a heating section 3. Reference numeral 4 denotes a suction unit, 5 denotes a heat exchanger, and 6 denotes a blower motor. FIG. 3 is a schematic block diagram of the air conditioner according to the first embodiment of the present invention. In FIG. 3, reference numeral 101 denotes time measuring means I and 102 for measuring the cumulative operation time from the start of operation of the blower motor.
Is a blower motor operation cumulative time storage means I, 103 measured by the time measurement means I101, a time storage means I, 104 for storing a predetermined constant time t1, and a blower motor stored in the time storage means I102. Time comparing means I and 105 for comparing the accumulated operation time with the set time t1 previously set and stored in the set time storing means I103 are time measuring means II and 10 for measuring the elapsed time from the start of the operation.
6 is a time storage means II for storing a predetermined time t2, and 107 is a time comparison for comparing the elapsed time of 105 in the time measurement means II with the set time t2 previously stored in the set time storage means II 106. Means II, 108
Is a measuring means for measuring an upper limit value and a lower limit value of the suction temperature by a thermistor or the like; 109 is a suction temperature difference calculating means for calculating a difference between the upper limit value and the lower limit value of the suction temperature measured by the measuring means 108; The suction temperature difference storage means 111 for storing the predetermined constant suction temperature difference ΔT is provided by the suction temperature difference storage means 109 and the difference between the upper limit value and the lower limit value of the suction temperature calculated by the suction temperature difference calculation means 109. Suction temperature difference comparison means 112 for comparing the predetermined constant suction temperature difference ΔT with heating section operation control means 112 for controlling the opening and closing of the heating section electric circuit.

The operation of the above configuration will be described below. When the cooling operation is started in the air conditioner, the operation of the blower motor 6 is started, and the accumulated operation time measured by the accumulated operation time measuring unit I101 is stored in the accumulated operation time storage unit I102. The storage means I
Is the set operation cumulative time t1 stored and set by the set operation cumulative time storage means 103.
(For example, 12 [h]) is determined by the cumulative operation time comparison means I104. Also, the time of the time measuring means II105 for measuring the elapsed time from the start of the operation is the set time t2 stored by the set time storage means II106.
(For example, 60 [m]) is determined by the time comparing means I.
This is performed by I107. Further suction temperature variations of the suction temperature measurement means 108 installed on the suction side of the air conditioner
The upper and lower limits of the movement are measured, and the difference between the upper and lower limits of the suction temperature calculated by the suction temperature difference calculating means 109 in the microcomputer and the set suction temperature difference stored in the set suction temperature difference storage means 110. Compare with T. Then, the cumulative operation time of the blower motor becomes equal to or more than the set operation time t1, and the elapsed time from the start of operation becomes equal to or more than the set time t2,
And if the suction temperature difference is less than the set suction temperature difference △ T, empty
When the tone is determined to be stable, the heating unit operation control means 112 controls the opening and closing of the heating unit electric circuit. As described above, the heating unit operation control can be performed at fixed time intervals after the cooling operation of the air conditioner is started.

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, reference numeral 301 denotes 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 302 denotes an output of the heating section operation control means 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 in response.

The operation of the above configuration will be described below. When the operation of the air conditioner is started, the opening / closing control of the heating unit electric circuit is performed by the heating unit operation control means 112 according to claim 1. When the heating unit electric circuit is closed, that is, when the regeneration purifying operation is being performed, the compressor operating speed changing unit 302 determines the compressor operating speed by a plurality of times stored in the compressor operating speed storage unit 301 in advance. (For example, N1 = 1200 rpm). As described above, during the regeneration purification operation, the compressor operation is not stopped, and the operation is performed at the lowest possible number of revolutions. Therefore, the user does not feel discomfort in the living space due to the stop of the compressor.

Next, a fourth embodiment of the present invention will be described. FIG. 6 is a schematic block diagram of an air conditioner according to a fourth embodiment of the present invention. In FIG. 6, reference numeral 401 denotes a blower motor operating speed storage unit capable of storing a plurality of operating speeds of the blower motor in the indoor unit of the air conditioner, and 402 denotes a heating unit operation control unit according to claim 1. A blower motor operating speed changing unit that switches a plurality of blower motor operating speeds stored in the blower motor operating speed storage unit according to an output.

The operation of the above configuration will be described below. When the operation of the air conditioner is started, the opening / closing control of the heating unit electric circuit is performed by the heating unit operation control means 112 according to claim 1. When the heating unit electric circuit is closed, that is, during the regeneration and purification operation, the blower motor operating speed changing unit 402 stores the blower motor operating speed in the blower motor operating speed storage unit 401 in advance. It is switched to a plurality of blower motor operating speeds (for example, n1 = 800 rpm). From the above,
During the regeneration and purification operation, it is possible to rapidly increase the thermal decomposition temperature (about 300 ° C.) of the heating unit required for the regeneration and purification operation by reducing the operation speed of the blower motor in the indoor unit. It is possible to end the regeneration purifying operation in a short time.

Next, a fifth embodiment of the present invention will be described. FIG. 7 is a schematic block diagram of an air conditioner according to a fifth embodiment of the present invention. In FIG. 7, reference numeral 501 denotes 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 reference numeral 502 denotes an output of the heating unit operation control means according to claim 1. A wind direction blade angle changing unit that switches a plurality of wind direction blade angles stored in the wind direction blade angle storage unit according to

The operation of the above configuration will be described below. When the operation of the air conditioner is started, the opening / closing control of the heating unit electric circuit is performed by the heating unit operation control means 112 according to claim 1. When the heating unit electric circuit is closed, that is, when the regeneration and purification operation is being performed, the wind direction blade angle changing unit 502 causes the wind direction blade angle storage unit 50 to store.
A plurality of wind direction blade angles (for example, θ =
15 ゜). As described above, during the regeneration purification operation, by controlling the rotation angle of the wind direction control blade provided at the outlet of the indoor unit, it is possible to prevent the blown wind from directly hitting the user during the regeneration purification operation, thereby reducing discomfort. The regeneration purifying operation can be performed without giving.

[0023]

As is apparent from the above-described embodiments, the present invention impairs the comfort of a living space at an optimum time interval.
In addition, the regeneration and purification operation can be performed automatically and without causing discomfort to the occupants, so that regular purchase and replacement of a new deodorizing device such as a conventional deodorizing device is unnecessary, and Extremely excellent deodorizing performance can be semipermanently provided to the user.

Also, in the present invention, since the upper limit current value set in the current value comparison means during the regeneration purifying operation is set by subtracting the current value generated in the heating section, the operating current flowing through the outdoor unit of the air conditioner is set. Is reduced 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, in the present invention, the compressor operation is not stopped during the regeneration and purification operation, and the operation is continued at the lowest possible number of revolutions, so that the user does not feel uncomfortable in the living space due to the stop of the compressor.

Further, according to the present invention, during the regeneration and purification operation, the operating speed of the blower motor in the indoor unit is reduced to rapidly increase the thermal decomposition temperature (about 300 ° C.) of the heating section required for the regeneration and purification operation. The regeneration purifying operation can be completed in a short time.

Further, in the present invention, by controlling the rotation angle of the wind direction control blade provided at the air outlet of the living room side unit, it is possible to prevent the blown air from directly hitting the user during the regeneration and purification operation, thereby reducing discomfort. The regeneration purifying operation can be performed without giving.

[Brief description of the drawings]

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

FIG. 2 is a cross-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 of the air conditioner according to the first embodiment of the present invention.

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

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

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

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

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Deodorizing part 2 Deodorizing catalyst 3 Heating part 4 Suction part 5 Heat exchanger 6 Blower 7 Casing 8 Deodorizing device 101 Cumulative operation time measuring means from the start of operation of the blower motor 102 Cumulative operation time storage means from the start of operation of the blower motor 103 Accumulated time storage means 104 Cumulative operation time comparison means 105 Elapsed time measurement means from operation start 106 Set operation time storage means 107 Elapsed time measurement means 108 Suction temperature upper / lower limit value measurement means 109 Suction temperature difference calculation means 110 Setting Suction temperature difference storage means 111 Suction temperature difference comparison means 112 Heating unit operation control means 201 Upper limit current value storage means 202 Air conditioner operation current value detection means 203 Upper limit current value change means 204 Air conditioner operation current value comparison means 301 Compressor Operating speed storage means 302 Compressor operating speed changing means 4 01 Blower motor operating speed storage means 402 Blower motor operating speed change means 501 Wind direction blade angle storage means 502 Wind direction blade angle change means

────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Satoshi Tokura 1006 Kazuma Kadoma, Kazuma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-5-280763 (JP, A) JP-A-4- 148145 (JP, A) JP-A-1-107825 (JP, A) JP-A-5-99473 (JP, A) JP-A-2-106648 (JP, A) JP-A-60-248932 (JP, A) JP-A-5-256490 (JP, A) JP-A-3-84350 (JP, A) JP-A-4-84060 (JP, A) JP-A-5-19834 (JP, U) JP-A-5-287663 (JP, U) JP-A-4-120553 (JP, U) JP-A-4-70935 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24F 11/02

Claims (5)

(57) [Claims] 1. An adsorption apparatus comprising a deodorizing section in which a deodorizing catalyst made of zeolite, alumina, silica, a noble metal, a rare earth oxide, or the like is applied to a material such as a metal, and a heating section including a heater in close contact with the deodorizing section. In an air conditioner equipped with a deodorizing device of the type pyrolysis catalyst type, the suction temperature of the air conditioner is measured by an intake temperature measuring means for measuring an upper limit value and a lower limit value within a predetermined time, and the suction temperature is measured by the suction temperature measuring means. Suction temperature difference calculating means for calculating a difference between the upper limit value and the lower limit value of the suction temperature, suction temperature difference storing means for storing a predetermined constant suction temperature difference, and suction calculated by the suction temperature difference calculating means. Suction temperature difference comparison means for comparing the difference between the upper limit value and the lower limit value of the temperature with the constant suction temperature difference determined by the suction temperature difference storage means; and a blower motor in the indoor unit of the air conditioner. The time measuring means I for measuring the product operating time, the time storing means I for storing a predetermined fixed time, the motor cumulative operating time measured by the time measuring means I and the time storing means I Time comparison means I for comparing with a fixed time, time measurement means II for measuring the elapsed time from the start of operation, time storage means II for storing a predetermined fixed time, and the elapsed time of the time measurement means II And a predetermined time determined by the time storage means II, a time comparing means II, a suction temperature difference comparing means, a time comparing means I, and a heating section electric circuit based on the results obtained by the time comparing means II. An operation control device for an air conditioner, comprising: a heating unit operation control means for controlling the opening and closing of the air conditioner. 2. The heating unit operation control according to claim 1, wherein upper limit current value storage means capable of storing a plurality of air conditioner operating current upper limit values, operating current detecting means for detecting an actual air conditioner operating current value. An upper limit current value changing unit that switches a plurality of current upper values stored in the upper limit current value storage unit in accordance with an output of the unit, and an operating current value detected by the operating current detecting unit and the upper limit current value changing unit. 2. A current value comparing means for comparing the current value with a selected upper limit current value.
An operation control device for an air conditioner as described in the above. 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, and according to an output of the heating section operation control means according to claim 1. 3. The operation control device for an air conditioner according to claim 2, further comprising a compressor operating speed changing means for switching a plurality of compressor operating speeds stored in said compressor operating speed storage means. 4. An air-conditioning motor operating speed storage means capable of storing a plurality of operating speeds of a blowing motor in an indoor unit of the air conditioner, and according to an output of the heating operation control means according to claim 1. 4. The air conditioner operation control device according to claim 3, further comprising: a blower motor operation speed changing unit configured to switch a plurality of blower motor operation speeds stored in the blower motor operation speed storage unit. 5. A wind direction blade angle storage means capable of storing a plurality of rotation angles of a wind direction blade angle control electric motor in an indoor unit of an air conditioner, and according to an output of the heating operation control means according to claim 1. The operation control device for an air conditioner according to claim 4, further comprising: a wind direction blade angle changing unit that switches a plurality of wind direction blade angles stored in the wind direction blade angle storage unit.