JP3327657B2 - Air conditioner operation control method - 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 operation control method.

[0002]

2. Description of the Related Art A system diagram of a conventional air conditioner is shown in FIG.

[0003] During the cooling operation of the air conditioner, the gas refrigerant discharged from the compressor 1 is supplied to the four-way valve 2 as indicated by a broken line arrow.
, And enters the outdoor heat exchanger 5, where it is condensed and liquefied by radiating heat to the outside air sent by the outdoor fan 7. This liquid refrigerant is adiabatically expanded by being throttled by the throttle 4 and then enters the indoor heat exchanger 3 where the indoor fan 6
Evaporates by cooling the room air sent by the This gas refrigerant is sucked into the compressor 1 via the four-way valve 2.

[0004] During the heating operation of the air conditioner, the refrigerant discharged from the compressor 1 receives a four-way valve 2, an indoor heat exchanger 3, a throttle 4, an outdoor heat exchanger 5, and a four-way valve 2 as indicated by solid arrows. And returns to the compressor 1 in this order.

[0005] The outdoor fan 7 is driven by a motor 9. The indoor fan 6 is driven by a motor 8, and the indoor fan 6 is switched by switching the tap of the motor 8.
Can be changed in seven stages.

The compressor 1 is driven by a current supplied via an inverter 10 and the frequency of this current is
The rotation speed of the compressor 1 by changing by 10,
That is, the ability can be changed continuously and continuously.

The temperature of the indoor air drawn into the indoor heat exchanger 3, that is, the room temperature, is detected by the temperature sensor 12 and input to the controller 11. In addition, the controller 11 has a set temperature set by the room temperature setter 13 and an operation mode (high,
(Medium, weak) is entered.

The controller 11 outputs to the motor 8 and the inverter 10 according to the operation mode selected by the operation mode selection means 14 to control the rotation speed of the indoor fan 6 and the capacity of the compressor 1 so that the room temperature becomes the set temperature.

[0009]

In the conventional air conditioner, only three operation modes, strong, medium, and weak, could be selected. If the strong mode was selected, the capacity of the compressor 1 and the rotation of the indoor fan 6 were selected. Although the speed is increased and thus the cooling / heating capacity is increased, the noise of the wind of the indoor fan 6, that is, the noise is increased, and there is a problem that the comfort of the occupants is hindered.

[0010] When weak is selected, the capacity of the compressor 1 and the rotation speed of the indoor fan 6 are reduced, so that noise can be suppressed. However, since the cooling and heating capacity is small, it takes time to set the room temperature to the set temperature. There was a problem that it took.

[0011]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the gist of the first invention is to provide a variable capacity compressor and a variable speed type compressor. an indoor fan, the air conditioner comprising the operation mode selecting means, when the cool priority mode by the operation mode selecting means is selected, the indoor fan at a high capacity operating state of a given after the start operation time the compressor After performing the ultra-cold air operation that operates in the medium speed range, the high-performance operation of the compressor
Periodically varying in medium speed range the speed of the indoor fan while under
Conducted a rhythm operation for moving, thereafter, the super cold air operation and rhythm luck every rising above a predetermined value than the room temperature set temperature
An operation control method for an air conditioner characterized by repeating the rotation in this order .

The gist of the second invention is to provide a variable capacity compressor, a variable speed indoor fan, and an operation mode.
In an air conditioner equipped with selecting means, when I had priority mode is selected by the operation mode selection means is operated at medium speeds to the indoor fan at a high capacity operating state of the start of operation after a predetermined time the compressor after performing <br/> super hot air operation, the rhythm operation of periodically varies within the medium speed range of the speed of the indoor fan under high capacity operating state of the compressor
Implemented, hereinafter, the operation control method of an air conditioner and repeating the super hot air operation and rhythmic operation each time a falling more than a predetermined value than the room temperature set temperature in this order.

[0013]

[0014]

EXAMPLES cool priority mode by the operation mode selecting means 14, but I had priority mode is adapted to be selected, other configuration of the air conditioner is the same as the conventional one shown in FIG.

During cooling operation, the operation mode selecting means 14
When the cooling priority mode is selected (step 1) and the operation is started (step 2 ), as shown in FIG. 1, first, the super-cool air operation (step 3 ) is performed. In this super cold air operation
The temperature of the conditioned air blown into the room from the air conditioner
The compressor 1 rotates at the highest speed (high-capacity operation) so that the temperature becomes a constant low temperature (for example, 10 ° C.), and the rotation speed of the indoor fan 6 is controlled within a medium speed range. In this ultra-cold air operation, the indoor fan 6 rotates in the medium speed range, so that noise can be suppressed and low-temperature cold air is blown into the room, so that a feeling of cooling can be given to the occupants and the room temperature can be quickly set. Temperature can be approached.

This super-cooled air operation is performed for a predetermined time (for example, 15 minutes).
Minutes) (step 4) , the rhythm operation (step
Step 5) is started. In this rhythm operation, the compressor 1 rotates at the highest speed (high-capacity operation) , and the fan tap of the drive motor 8 of the indoor fan 6 is in the middle speed range of 3 to 5.
Since it is switched periodically, the wind speed of the cool air fluctuates at a rhythm simulating the natural wind. In this rhythm operation, the temperature of the cold air is low and the wind speed fluctuates periodically in the medium speed range, so that the noise entering the occupants' ears can be reduced, and the low temperature cold air hits the occupants. It can suppress discomfort.
When the room temperature becomes 2degC or more from the set temperature (step
6), the flow returns to step (3), hereinafter, super cool air operation and Li
The operation is repeated in this order .

However, in this cool priority mode ,
Compressor 1 is operated a high capacity, an indoor fan 6 Tokoro at medium speeds
After rotating for a fixed time , the wind speed in the middle speed range
Periodically switched Runode, it is possible to reduce or suppress noise entering the occupants ears, The indoor cold air of low temperature
It is possible to be blown into, it is possible to exhibit a high cooling capacity.

During the heating operation, the operation mode selection means 14
It is possible to select the I had priority mode me. FIG.
Selected, the it had priority mode as shown in (step
1) When the operation is started (Step 2) , first, the super-hot air operation (Step 3) is performed. In this super hot air operation
As it is blown out air temperature to a predetermined high temperature (e.g., 65 ° C.)
At this time, the compressor 1 rotates at the highest speed (high-capacity operation), and the rotation speed of the indoor fan 6 is controlled within the medium speed range. In this super-hot air operation, the indoor fan 6 rotates in a medium speed range, so that noise can be suppressed and high-temperature hot air is blown into the room, so that a warm feeling can be given to the occupants and the room temperature can be rapidly increased. It can approach the set temperature.

This super-hot air operation is performed for a predetermined time (for example, 15 minutes).
When the time has elapsed (step 4), the rhythm operation (step 5) is started. In this rhythm operation, the compressor 1 rotates at the highest speed (high-capacity operation), and the fan tap of the drive motor 8 of the indoor fan 6 periodically changes within a medium speed range of 3 to 5.
, The wind speed of the warm air fluctuates in a medium speed range at a rhythm simulating a natural wind. Compression in this rhythm operation
Since the machine 1 is operated at high capacity, the temperature of the hot air becomes high ,
And, since periodically changes in wind speed is the middle speed range, it is possible to reduce the noise entering the occupants of the ear, also, the high temperature hot air can suppress discomfort caused by striking the occupants. When the room temperature becomes lower than the set temperature by 2 ° C or less (Step 6), the process returns to Step (3), and thereafter, the super-hot air operation and the rhythm operation are performed.
Repeat in order .

However, in this warm priority mode, the pressure
Compressor 1 is operated high capacity, after being rotated a predetermined <br/> time medium speeds indoor fan 6, wind speed at a medium speed region by rhythmic operation
Since fluctuates periodically, it is possible to suppress or reduce the noise entering the occupants of the ear, or, since the warm air of high temperature can be put blown indoors <br/>, exhibit high heating capacity Can be done.

[0021]

[0022]

[0023]

According to the present invention, by selecting a cool priority mode and a warm priority mode, a high cooling / heating capability is exhibited while suppressing or reducing noise to give a occupant a sense of cooling and warmth. Can be.

[Brief description of the drawings]

FIG. 1 is a flowchart showing a first embodiment of the present invention.

FIG. 2 is a flowchart showing a second embodiment of the present invention.

FIG. 3 is a system diagram of a conventional air conditioner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Compressor 6 Indoor fan 3 Indoor heat exchanger 4 Throttle 5 Outdoor heat exchanger 7 Outdoor fan 8 Indoor fan drive motor 10 Inverter 11 Controller 12 Room temperature sensor 13 Room temperature setting unit 14 Operation mode selection means

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F24F 11/02 102

Claims (2)

(57) [Claims] And 1. A variable capacity type compressor, and the indoor fan of the variable speed type, the air conditioner comprising the operation mode selecting means, when the cool priority mode is selected by the operation mode selecting means, the start of operation After performing a super-cooled air operation in which the indoor fan is operated in a medium speed range under a high-capacity operation state of the compressor for a predetermined time, the high-capacity operation state of the compressor is performed.
Periodically varies within the medium speed range of the speed of the indoor fan under condition
Rhythm operation causes conducted, thereafter, the super cold air operation and rhythmic operation for each rise above a predetermined value than the room temperature set temperature
Is repeated in this order . 2. A variable capacity type compressor, and the indoor fan of the variable speed type, the air conditioner comprising the operation mode selecting means, when I had priority mode is selected by the operation mode selecting means, the start of operation After performing a super-hot air operation for operating the indoor fan in a medium speed range under a high-capacity operation state of the compressor for a predetermined time, the high-capacity operation state of the compressor is performed.
Periodically varies within the medium speed range of the speed of the indoor fan under condition
Rhythm operation causes conducted, thereafter, the ultra-hot air operation and rhythmic operation each time a falling more than a predetermined value than the room temperature set temperature
Is repeated in this order .