JPH055549A - Air conditioner - Google Patents

Abstract

PURPOSE:To obtain an air condition which is capable of preventing indoor drying (lack of humidity) and embodying comfortable air conditioning performance. CONSTITUTION:When driving an indoor side fan 2, a humidifier controller 9 allows a humidifier 3 to operate when the operation mode detected by an operation mode detector 8 is not cooling mode or when the operation of a compressor 6 is suspended in cooling mode. When driving the compressor in cooling mode, the operation of the humidifier 3 is halted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner having a humidifier.

[0002]

2. Description of the Related Art As an air conditioner having a conventional humidifier, as described in Matsushita Electric Industrial Co., Ltd. '90 -91 Air Conditioning Equipment Data Book; Package Type Air Conditioner Edition (1), page 821. There is something like this.

An example of an air conditioner having the conventional humidifier will be described below with reference to the drawings.

FIG. 9 is a block diagram showing an air conditioner having a conventional humidifier. In the figure, reference numeral 1 denotes an indoor unit main body, which has an indoor blower 2, a humidifier 3, and a heating detector 4 for detecting a heating operation mode. 5 is the outdoor unit body,
It has a compressor 6 inside. Reference numeral 7 denotes a humidifier controller that controls the operation of the humidifier 3 based on the detection result from the heating detector 4, the operating state of the indoor blower 2 and the operating state of the compressor 6, and is composed of these.

Here, the humidifier controller 7 controls the operation of the humidifier 3 only when both the indoor blower 2 and the compressor 6 are operating in the heating mode.

[0006]

However, in the above-mentioned conventional configuration, the humidifier 3 is operated when both the indoor blower 2 and the compressor 6 are operating in the heating mode.
The heat load in recent intelligent buildings often involves repeated cooling and air blowing during the day, even in the winter when the outside temperature is low.Insufficient indoor humidity can be achieved by controlling the humidifier operation only during the morning and evening heating compressor operation. This is a phenomenon, and there is a drawback that the room becomes dry and uncomfortable.

The present invention solves such a conventional problem, and provides an air conditioner capable of preventing indoor drying (lack of humidity) and realizing comfortable air conditioning.

The present invention also provides an air conditioner which can prevent a lack of indoor humidity in winter and realize comfortable air conditioning.

The present invention also provides an air conditioner that is comfortable and can realize energy-saving air conditioning.

Further, the present invention provides an air conditioner capable of realizing comfortable air conditioning by finely controlling the indoor humidity during the intermediate period and the winter period.

[0011]

In order to achieve the above object, the air conditioner of the present invention is provided with an operating mode for detecting the operating mode states of an indoor side blower, a humidifier, and cooling / heating / blowing. An indoor unit main body having a deodorizer, an outdoor unit main body having a compressor therein, and a humidifier controller for controlling the operation of the humidifier when the indoor blower is operating.

During operation of the indoor blower, the humidifier controller operates the humidifier when not in the cooling mode or when the compressor is stopped in the cooling mode, and the compressor in the cooling mode. The humidifier is stopped when the vehicle is running.

Another air conditioner of the present invention is an indoor unit main body having an indoor mode blower, a humidifier, and an operation mode detector for detecting each operation mode state of cooling, heating and air blowing. And an outdoor unit main body having a compressor and an outside air temperature detector for detecting an outside air temperature, and a humidifier for controlling the operation of the humidifier when the outside air temperature is less than a predetermined value during operation of the indoor blower. And a controller.

When the indoor air blower is operating and the outside air temperature is less than a predetermined value, the humidifier controller controls the humidifier when it is not in the cooling mode or when the compressor is stopped in the cooling mode. The humidifier is stopped while the compressor is operating in the cooling mode while being operated.

Still another air conditioner of the present invention is
Inside blower, suction temperature detector to detect intake air temperature, humidifier, operation mode for cooling / heating / blower
Indoor unit main body having an operation mode detector for detecting a state of the air, an outdoor unit main body having a compressor inside, and the humidifier when the intake air temperature exceeds a predetermined value during operation of the indoor blower And a humidifier controller for controlling the operation of the.

When the indoor air blower is operating and the intake air temperature exceeds a predetermined value, the humidifier controller controls the humidifier when not in the cooling mode or when the compressor is stopped in the cooling mode. The humidifier is stopped while the compressor is operating in the cooling mode while being operated.

Still another air conditioner of the present invention is
Inside blower, suction temperature detector to detect intake air temperature, humidifier, operation mode for cooling / heating / blower
Indoor unit main body having an operation mode detector for detecting the air condition, a compressor inside, an outdoor unit main body having an outside air temperature detector for detecting the outside air temperature, and an intake air temperature during operation of the indoor side blower Is above a predetermined value, the humidifier controller controls the operation of the humidifier.

When the intake air temperature exceeds a predetermined value during operation of the indoor blower, the humidifier controller operates in the heating mode or when the outside air temperature is lower than the predetermined value in the blow operation mode. While the compressor is stopped in the cooling mode, the humidifier is operated when the outside temperature is less than the predetermined value, and when the compressor is operating in the cooling mode or in the blowing mode, the outside temperature is equal to or higher than the predetermined value. Or when the compressor is stopped in the cooling mode and the outside air temperature is equal to or higher than a predetermined value, the humidifier is stopped.

[0019]

With the above arrangement, the air conditioner of the present invention operates because the humidifier operates when the indoor blower is not in the cooling mode or when the indoor blower is operating and the compressor is stopped in the cooling mode. It is possible to realize comfortable air conditioning by preventing indoor dryness (lack of humidity).

According to the air conditioner of the present invention having the above-mentioned structure, the humidifier has a structure in which the outside air temperature is less than a predetermined value when the indoor side blower is operating and is not in the cooling mode or when the indoor side blower is operating. Since the operation is performed when the compressor is stopped in the cooling mode when the value is less than the predetermined value, it is possible to prevent insufficient indoor humidity in winter and realize comfortable air conditioning.

Further, the air conditioner according to another aspect of the present invention, which has the above-described configuration, saves energy because the humidifier is stopped at room temperature when the humidifying efficiency is poor and the humidifying effect is small. Also,
When the indoor air blower is operating when the intake air temperature exceeds the predetermined value and is not in the cooling mode, or when the indoor air blower is operating when the intake air temperature exceeds the predetermined value and the compressor is in the cooling mode, the operation is performed. Comfortable air conditioning can be achieved.

Further, in the air conditioner of still another aspect of the present invention, the humidifier has a humidifier when the indoor air blower is operating and the intake air temperature exceeds a predetermined value and is in the heating mode or when the indoor air blower is operating. When the intake air temperature exceeds the specified value and the outside air temperature is lower than the specified value in the blower operation mode or when the indoor side fan is operating, the intake air temperature exceeds the specified value and the compressor is stopped in the cooling mode It operates when it is less than a predetermined value.

The humidifier is so constructed that, when the indoor air blower is stopped or when the indoor air blower is operating, the intake air temperature is below a predetermined value, or when the indoor air blower is operating, the intake air temperature exceeds the predetermined air temperature and is compressed in the cooling mode. When the fan is operating or the indoor blower is operating, the intake air temperature exceeds the specified value and the outside air temperature is above the specified value in the blower operation mode, or the intake air temperature is below the specified value when the indoor blower is operating. When the outside temperature exceeds a predetermined value and the compressor is stopped in the cooling mode, the operation is stopped.

Therefore, it is possible to realize comfortable air conditioning by finely controlling the indoor humidity in the middle and winter seasons.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a block diagram of an air conditioner according to a first embodiment of the present invention, and FIG. 2 is a flow chart showing the operation contents of the air conditioner of FIG.

In FIG. 1, reference numeral 8 is an operation mode detector for detecting each operation mode of cooling, heating and blowing. A humidifier controller 9 controls the operation of the humidifier 3 based on the detection result from the operation mode detector 8, the operating state of the indoor blower 2 and the operating state of the compressor 6. Other configurations are the same as the conventional ones, and the same reference numerals are given and detailed description thereof is omitted.

In FIG. 2, when the indoor blower 2 is in operation, the step 1 is branched to the YES side, and in the next step 2, the operation mode detector 8 detects whether or not it is in the cooling operation mode. If the branch is made to the YES side, the humidifier controller 9 detects / determines whether or not the compressor 6 is in operation in step 3, and the compressor 6
Is operating, the process proceeds to step 4 and the operation of the humidifier 3 is stopped.

When the indoor blower 2 is not in operation, the process branches to NO in step 1 and the humidifier 3 is stopped. If it is a mode other than the cooling operation mode in step 2, it branches to the NO side of step 2 and the humidifier 3
When the compressor 6 is not operating in the cooling operation mode, the process branches to the NO side in step 3, and the humidifier 3 in the state of step 5 is operated similarly to the above.

As described above, in the air conditioner of this embodiment, the humidifier controller 9 causes the humidifier 3 to be in the cooling mode when the indoor blower 2 is not in the cooling mode or when the indoor blower 2 is in operation. Since the compressor 6 is operated while it is stopped, it is possible to prevent indoor drying (lack of humidity) and realize comfortable air conditioning.

Next, a second embodiment of the present invention will be described with reference to FIGS. FIG. 3 is a block diagram of an air conditioner according to a second embodiment of the present invention, FIG.
3 is a flowchart showing the operation contents of the air conditioner of FIG.

In FIG. 3, reference numeral 10 is an outside air temperature detector for detecting the outside air temperature. Reference numeral 11 denotes a humidifier controller, which detects the detection result from the operation mode detector 8, the outside air temperature detected by the outside air temperature detector 10, the operating state of the indoor blower 2, and the compressor 6.
The humidifier 3 is operated and controlled based on the operating state of. The other structure is the same as that of the first embodiment, the same reference numerals are given, and the detailed description thereof is omitted.

In FIG. 4, when the indoor blower 2 is operating, step 6 is branched to the YES side, and in the next step 7, the outside air temperature is detected by the outside air temperature detector 10 by a predetermined value (a predetermined value in this embodiment). 20 ° C) is detected,
If less, the humidifier controller 11 detects / determines in step 8 whether it is in the cooling operation mode. If it is in the cooling operation mode, it is determined in step 9 whether the compressor 6 is in operation. Is detected and determined by the humidifier controller 11, and if the compressor 6 is in operation, the process proceeds to step 10 and the operation of the humidifier 3 is stopped.

If the indoor blower 2 is not in operation, the process branches to NO in step 6 and the humidifier 3 is stopped. If the outside air temperature is 20 ° C. or more in step 7, the operation proceeds to step 10 and the operation of the humidifier 3 is stopped. If the outside air temperature is lower than 20 ° C and the operation mode is other than the cooling operation mode, the process branches to NO in step 8 and proceeds to step 11 to start the humidifier 3
Let's drive. Further, while the compressor 6 is stopped in the cooling operation mode, it branches to the NO side in step 9 and step 1
The humidifier 3 of No. 1 is in operation.

As described above, in the air conditioner of the second embodiment, the humidifier controller 11 causes the humidifier 3 to operate when the outside air temperature is less than the predetermined value during the operation of the indoor blower 2 and the air conditioner is not in the cooling mode. Since the operation of the indoor blower 2 is performed when the outside air temperature is less than the predetermined value and the compressor 6 is stopped in the cooling mode, it is possible to prevent insufficient indoor humidity in winter and realize comfortable air conditioning.

Next, a third embodiment of the present invention will be described with reference to FIGS. 5 is a block diagram of an air conditioner according to a third embodiment of the present invention, and FIG. 6 is a flow chart showing the operation contents of the air conditioner of FIG.

In FIG. 5, reference numeral 12 is an intake air temperature detector for detecting the indoor intake air temperature. Reference numeral 13 is a humidifier controller, which is based on the detection result from the operation mode detector 8, the intake air temperature detected by the intake air temperature detector 12, the operating state of the indoor blower 2 and the operating state of the compressor 6. To control the operation of the humidifier 3. The other structure is the same as that of the first embodiment, the same reference numerals are given, and the detailed description thereof is omitted.

In FIG. 6, when the indoor blower 2 is in operation, step 12 is branched to the YES side, and in the next step 13, the indoor intake air temperature is set to a predetermined value (in this embodiment, the predetermined value is set to 15 ° C.). If the temperature is 15 ° C. or lower, the process proceeds to step 16 and the operation of the humidifier 3 is stopped. If the indoor intake air temperature exceeds 15 ° C, the process proceeds to step 14. If the mode is the cooling operation mode, the process proceeds to step 15, and if the compressor 6 is operating, the process proceeds to step 16 to stop the operation of the humidifier 6.

If the indoor intake air temperature exceeds 15 ° C. in step 13, the process proceeds to step 14. If the cooling operation mode is selected in step 14, the process proceeds to step 15, and if the compressor 6 is stopped, the humidifier 3 in step 17 is operated. If the mode is other than the cooling operation mode in step 14, the operation proceeds to NO and the humidifier 3 in step 17 is put into the operating state.

As described above, in the air conditioner of the third embodiment, the humidifier controller 13 stops the humidifier 3 at room temperature where the humidifying efficiency is poor and the humidifying effect is small, thus saving energy. .. In addition, the humidifier controller 13 causes the humidifier 3 to have the intake air temperature exceeding a predetermined value when the indoor blower 2 is operating and not in the cooling mode or when the indoor blower 2 is operating. Moreover, since the operation is performed when the compressor 6 is stopped in the cooling mode, comfortable air conditioning can be realized.

Next, a fourth embodiment of the present invention will be described with reference to FIGS. 7 and 8. 7 is a block diagram of an air conditioner according to a fourth embodiment of the present invention, and FIG. 8 is a flow chart showing the operation contents of the air conditioner of FIG.

In FIG. 7, reference numeral 14 denotes a humidifier controller, which is the detection result from the operation mode detector 8 and the outside air temperature and the intake air temperature detector 12 detected by the outside air temperature detector 10.
The humidifier 3 is operated and controlled based on the intake air temperature, the operating state of the indoor blower 2 and the operating state of the compressor 6 detected by. The other structure is the same as that of the first embodiment, the same reference numerals are given, and the detailed description thereof is omitted.

In FIG. 8, when the indoor blower 2 is operating, the step 18 is branched to the YES side, and in the next step 19, the indoor intake air temperature is set to a predetermined value (the predetermined value is set to 15 ° C. in this embodiment). 15) It is detected whether or not
If the temperature is equal to or lower than 0 ° C., the process proceeds to step 20 and the humidifier 3 operation is stopped. If the indoor intake air temperature exceeds 15 ° C in step 19, the operation proceeds to step 21, and if it is the heating operation mode, the humidifier 3 operation of step 22 is performed.

If the operation is not in the heating operation mode in step 21, the operation proceeds to step 23, and if the operation mode is the cooling operation, the operation proceeds to step 24 and YES if the compressor 6 is in operation.
It branches to the side and the humidifier operation of step 20 is stopped. Further, when the compressor 6 is stopped in the cooling operation mode, the process branches to the NO side of step 24 and proceeds to step 25. Here, the outside air temperature is a predetermined value (the predetermined value is 20 in this embodiment).
If it is above (° C.), The operation proceeds to step 26 and the operation of the humidifier 3 is stopped.

If the outside air temperature is less than 20 ° C. in step 25, the humidifier 3 in step 22 is operated. If it is not the heating mode but the cooling mode in step 21, the process proceeds to step 25 and it is checked whether the outside air temperature is 20 ° C. or higher. Here, if the outside air temperature is 20 ° C. or higher, the operation of the humidifier 3 in step 26 is stopped. If the outside air temperature is less than 20 ° C. in step 25, the humidifier 3 in step 22 is brought into an operating state.

As described above, in the air conditioner of the fourth embodiment, the humidifier controller 14 controls the humidifier 3 so that the intake air temperature exceeds the predetermined value during the operation of the indoor blower 2 and the heating mode is set. Or when the indoor air blower 2 is operating and the intake air temperature exceeds a predetermined value and the outside air temperature is less than the predetermined value in the air blow operation mode, or when the indoor air blower 2 is operating, the intake air temperature exceeds the predetermined value and cooling is performed. The operation is performed when the compressor 6 is stopped in the mode and the outside air temperature is less than the predetermined value.

Further, the humidifier 3 is controlled by the humidifier controller 14.
Is when the indoor air blower 2 is stopped or when the indoor air blower 2 is operating and the intake air temperature is below a predetermined value, or when the indoor air blower 2 is operating, the intake air temperature exceeds the predetermined value and the compressor 6 operates in the cooling mode. When the blower operation mode is in operation or when the indoor side blower 2 is operating, the intake air temperature exceeds the specified value.
When the outside air temperature is equal to or higher than a predetermined value, or when the indoor blower 2 is operating, the intake air temperature exceeds the predetermined value and the compressor 6 is stopped in the cooling mode, the air temperature is stopped when the outside air temperature is equal to or higher than the predetermined value.

Therefore, it is possible to realize comfortable air conditioning by finely controlling the indoor humidity in the middle and winter seasons.

[0048]

As described above, the air conditioner of the present invention comprises the humidifier controller for controlling the operation of the humidifier when the indoor blower is operating, and the humidifier controller is operated when the indoor blower is operating. , The humidifier is operated when the compressor is not operating in the cooling mode or when the compressor is stopped in the cooling mode, and the humidifier is stopped when the compressor is operating in the cooling mode, preventing indoor drying (insufficient humidity). It is possible to achieve comfortable air conditioning.

Another air conditioner of the present invention is equipped with a humidifier controller for controlling the operation of the humidifier when the indoor air blower is operating and the outside air temperature is less than a predetermined value. When the outside temperature is below the specified value during operation, the humidifier controller
When the compressor is not operating in the cooling mode or when the compressor is stopped in the cooling mode, the humidifier is stopped, and when the compressor is operating in the cooling mode, the humidifier is stopped. Comfortable air conditioning can be achieved.

Still another air conditioner of the present invention is
Equipped with a humidifier controller that controls the operation of the humidifier when the intake air temperature exceeds a specified value when the indoor blower is operating, and humidifies when the intake air temperature exceeds the specified value when the indoor blower is operating. The controller controls the humidifier when it is not in the cooling mode or when the compressor is stopped in the cooling mode, and it also stops the humidifier when the compressor is operating in the cooling mode. Can be realized.

Still another air conditioner of the present invention is
Equipped with a humidifier controller that controls the operation of the humidifier when the intake air temperature exceeds a specified value when the indoor blower is operating, and humidifies when the intake air temperature exceeds the specified value when the indoor blower is operating. The air conditioner controller operates the humidifier in the heating mode or when the outside air temperature is less than the predetermined value in the air blowing mode or when the compressor is stopped in the cooling mode and the outside air temperature is less than the predetermined value, and the air conditioner is cooled. The humidifier is stopped when the compressor is operating in the mode or when the outside air temperature is higher than a predetermined value in the blow operation mode or when the compressor is stopped in the cooling mode and the outside air temperature is higher than the predetermined value.

As a result, when the room temperature is lower than the predetermined value during heating, the humidity is not effectively obtained when the humidification operation is performed, and the humidity is felt to be lower than room temperature, which causes discomfort. Therefore, the humidifier is stopped and the humidification is performed. After reaching the room temperature where the effect can be obtained, operate the humidifier, and if the room temperature exceeds the specified value and the outside air temperature is above the specified value in a ventilation condition other than heating in the middle period, indoor humidity is also relatively high. Therefore, the humidifier operation is stopped, and in the winter when the outside temperature is low, the humidifier operation is performed to prevent the inside of the room from being dried, discomfort is eliminated, and comfortable and effective air conditioning can be realized.

[Brief description of drawings]

FIG. 1 is a block diagram of an air conditioner showing a first embodiment of the present invention.

FIG. 2 is a flow chart showing operation contents in the same embodiment.
Figure

FIG. 3 is a block diagram of an air conditioner showing a second embodiment of the present invention.

FIG. 4 is a flow chart showing the operation contents in the same embodiment.
Figure

FIG. 5 is a block diagram of an air conditioner showing a third embodiment of the present invention.

FIG. 6 is a flowchart showing the operation contents in the embodiment.
Figure

FIG. 7 is a block diagram of an air conditioner showing a fourth embodiment of the present invention.

FIG. 8 is a flowchart showing the operation contents in the same embodiment.
Figure

FIG. 9 is a block diagram of a conventional air conditioner.

[Explanation of symbols]

 1 Indoor Unit Main Body 2 Indoor Side Blower 3 Humidifier 5 Outdoor Unit Main Body 6 Compressor 8 Operation Mode Detector 9 Humidifier Controller 10 Outside Air Temperature Detector 11 Humidifier Controller 12 Suction Temperature Detector 13 Humidifier Controller 14 Humidifier controller

Claims (1)

Claim: What is claimed is: 1. An indoor unit main body having an indoor-side blower, a humidifier, and an operation mode detector for detecting the operation mode states of cooling, heating, and air blowing inside, respectively. An outdoor unit main body having a compressor, and a humidifier controller that controls the operation of the humidifier during operation of the indoor blower, and the humidifier controller during operation of the indoor blower has a cooling mode. An air conditioner that operates the humidifier when the compressor is not operating or when the compressor is stopped in the cooling mode, and stops the humidifier when the compressor is operating in the cooling mode. 2. An indoor unit main body having an indoor-side blower, a humidifier, and an operation mode detector for detecting the respective operation mode states of cooling, heating, and blowing, a compressor, and an outside air temperature inside. An outdoor unit main body having an outside air temperature detector for detecting, and a humidifier controller for controlling the operation of the humidifier when the outside air temperature is less than a predetermined value during operation of the indoor blower, and the room When the outside air temperature is less than a predetermined value during operation of the inner blower, the humidifier controller operates the humidifier when not in the cooling mode or when the compressor is stopped in the cooling mode, and in the cooling mode. An air conditioner, wherein the humidifier is stopped when the compressor is in operation. 3. An indoor unit having an indoor blower, an intake temperature detector for detecting an intake air temperature, a humidifier, and an operation mode detector for detecting an operation mode state of each of cooling, heating, and blowing inside. A main body, an outdoor unit main body having a compressor inside, and a humidifier controller that controls the operation of the humidifier when the intake air temperature exceeds a predetermined value during operation of the indoor blower, When the suction air temperature during operation of the indoor blower exceeds a predetermined value, the humidifier controller operates the humidifier when the compressor is stopped in the cooling mode or in the cooling mode,
An air conditioner, wherein the humidifier is stopped when the compressor is operating in a cooling mode. 4. An indoor unit having an indoor blower, an intake temperature detector for detecting an intake air temperature, a humidifier, and an operation mode detector for detecting an operation mode state of each of cooling, heating and air blowing. A main body, an outdoor unit main body having a compressor and an outside air temperature detector for detecting an outside air temperature, and an operation of the humidifier when the intake air temperature exceeds a predetermined value during operation of the indoor blower. A humidifier controller is provided, and when the intake air temperature exceeds a predetermined value during operation of the indoor blower, the humidifier controller controls the outside air temperature in the heating mode or in the blow operation mode. When it is less than the value or when the compressor is stopped in the cooling mode and the outside air temperature is less than the predetermined value, the humidifier is operated, and when the compressor is operating in the cooling mode or in the blower operation mode. Temperature is above a certain value Or the outside air temperature is equal to or higher than a predetermined value while the compressor is stopped in the cooling mode, the air conditioner is stopped.