JP4034014B2 - Air conditioner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an air conditioner that creates a comfortable indoor space by controlling the direction and speed of air blown from an indoor unit.
[0002]
[Prior art]
In the conventional air conditioner, during cooling, the blown air is contracted by the upper and lower flaps provided at the blower outlet of the indoor unit and blown in the horizontal direction so as not to blow the wind directly on the person, The cooling comfort of the indoor space was achieved by giving a cool wind feeling by swinging the right and left wind direction vanes.
[0003]
Moreover, at the time of heating start-up, the warm-up property was improved by reducing the air volume by raising and lowering the air volume by using the upper and lower flaps to reduce the air volume.
[0004]
[Problems to be solved by the invention]
The conventional air conditioner is configured as described above, so for those who want to get a cool wind feeling by directly hitting the wind during cooling, a swing blow that swings the upper and lower flaps and the left and right wind vanes provides a feeling of cool wind. I couldn't.
In addition, the conventional air conditioner has adopted a method of reducing the air volume by reducing the air volume by reducing the upper and lower flaps in order to increase the temperature of the blown air as a quick heating method during heating. At the same time, the comfort of the indoor space deteriorated.
Thus, it has been difficult to increase the reach of hot air and improve comfort without increasing the blowing noise while raising the temperature of the blown air.
[0005]
The present invention was made to solve such problems, and improved cooling feeling during cooling, maintenance of blown air speed during heating, energy saving of the air conditioner, and achieving these with an easy structure and low cost. It aims at providing the air conditioner which can do.
[0006]
[Means for Solving the Problems]
An air conditioner according to the present invention includes an air conditioner main body, a casing provided in the main body, having a ventilation path, for storing a blower, and provided at a blowout port at a terminal end portion of the casing. The left and right wind direction control has a left vane composed of a plurality of vanes arranged on the left side of the air outlet and a right vane composed of a plurality of vanes arranged on the right side of the air outlet. And a control means for causing the left vane and the right vane of the left and right wind direction control means to contract in such a manner as to close the downstream side narrowly in any blowing direction so as to face each other inward. Is.
[0007]
The left vane and the right vane have a configuration in which a plurality of vanes are arranged at an equal pitch.
[0008]
The left and right vanes have a configuration in which a plurality of vanes are arranged at unequal pitches.
[0009]
The left vane is composed of a plurality of vanes arranged from the center of the outlet to the left end of the outlet, and the right vane is constituted of a plurality of vanes arranged from the center of the outlet to the right end of the outlet. It has been done.
[0010]
In addition, the blower is configured such that the cross-flow fan is driven by an electric motor.
[0011]
Further, when the high-capacity operation is selected during the cooling operation, the rotational speed of the blower is increased and the left and right airflow direction control means is contracted by the control means.
[0012]
In addition, when the up / down wind direction control means is provided at the air outlet and the high-capacity operation is set at the time of the automatic cooling operation, the up / down air direction control means is automatically turned down.
[0013]
Also, the setting of the contracted flow of the left / right wind direction control means or the downflow of the left / right wind direction control means and the downward blowing of the up / down wind direction control means is canceled after a predetermined time has elapsed or when the operation of the air conditioner is reset. It is.
[0014]
Further, when the high-capacity operation is selected during the heating operation, the rotational speed of the blower is reduced and the right and left air direction control means is contracted by the control means.
[0015]
Further, when the up / down wind direction control means is provided at the air outlet and the high-capacity operation is set at the time of automatic heating operation, the up / down air direction control means is automatically made to blow down.
[0016]
In addition, when the heating operation is started, a short cycle mechanism that controls the vertical air direction control means so as to send a part of the wind blown from the outlet toward the suction port together with the contracted flow by the control means. .
[0017]
Also, the contraction of the left and right wind direction control means or the contraction of the left and right wind direction control means and the downflow of the up and down wind direction control means or the contraction of the left and right wind direction control means and the setting of the short cycle mechanism are set after a predetermined time or It is canceled when the operation is reset.
[0018]
Further, at least a part of the left vane and the right vane is composed of multistage bending vanes.
[0019]
Moreover, the multistage bending vane is constituted by a two-stage bending vane.
[0020]
Further, an HFC refrigerant is used as the refrigerant, and an alkylbenzene oil, a polyol ether oil, an ester oil or a Teflon oil is used as the compressor oil.
[0021]
Further, HC refrigerant is used as the refrigerant, and alkylbenzene oil, polyol ether oil, ester oil or Teflon oil is used as the compressor oil.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below with reference to the drawings.
FIG. 1 shows the first embodiment, and is a side view of an air conditioner including left and right wind direction vanes provided with a contraction mechanism.
In the figure, reference numeral 1 denotes an air conditioner that is provided inside the air conditioner, and blows out air that has been heat-exchanged with the heat exchanger into the room. Reference numeral 2 denotes a horizontally long transverse fan that constitutes the blower 1 and is driven by an electric motor. Is a casing that has an annular ventilation passage 4 and houses the cross-flow fan 2, and 5 is an example of a right and left wind direction control means for controlling the right and left wind direction of the blown air provided at the end of the ventilation passage 4 of the casing 3 A wind direction vane 6 is an upper and lower flap as an example of an upper and lower wind direction control means for controlling the upper and lower wind directions of the blown air.
[0023]
In the air conditioner according to the first embodiment, the left and right wind vanes 5 provided at the end of the ventilation path 4 are composed of left and right vanes, and the left and right vanes face each other inward. The flow is contracted by forming the shape so as to close the downstream side narrowly toward each blowing direction.
Here, the left vane is composed of a plurality of vanes arranged between the center of the outlet and the left end of the outlet. However, it is not limited to the center of the outlet.
Further, the right vane is composed of a plurality of vanes disposed between the center of the outlet and the right end of the outlet. However, it is not limited to the center of the outlet.
[0024]
The left and right vanes of the left and right wind vanes 5 are driven by, for example, a stepping motor, and the stepping motor is directed to any blowing direction by the microcomputer so that the left and right vanes face inward as described above. It is controlled so as to close the downstream side narrowly.
[0025]
The left vane and the right vane have a plurality of vanes arranged at equal or unequal pitches. By disposing at unequal pitches, for example, pressure loss can be reduced.
[0026]
According to the above-described embodiment, the left vane and the right vane provided with the flow contracting mechanism are formed narrowly in the respective blowing directions so as to face each other, and the blown air is controlled, whereby each arbitrary wind direction is controlled. In addition to being able to subdivide the zone air conditioning and comfortable space at the same time, there is also an energy-saving effect through lean operation.
[0027]
Embodiment 2. FIG.
In the air conditioner according to the first embodiment, when high capacity operation (high power operation) is selected during cooling operation, the rotational speed of the cross flow fan 2 is increased, and the left and right vanes are directed toward the respective blowing directions. Are spot-cooled by contracting them.
When the above setting is performed during automatic operation, the upper and lower flaps 6 are automatically blown down in addition to the above operation.
These airflow controls are canceled after a certain period of time or when resetting (remote control).
[0028]
According to the above-described embodiment, when high-capacity operation (high-power operation) is selected during cooling operation, the rotational speed of the cross flow fan 2 is increased, and the left and right vanes are contracted by spot cooling. Therefore, it has the effect of improving the cool wind feeling.
In addition, during the automatic cooling operation, it is possible to directly apply cold air to the person by increasing the rotational speed of the cross flow fan 2 and contracting the left and right vanes, and by blowing the upper and lower flaps 6 downward.
[0029]
Embodiment 3 FIG.
In the air conditioner according to the first embodiment, when high-capacity operation (high power operation) is selected during heating operation, the rotational speed of the cross-flow fan 2 is decreased and directed to each blowing direction (for example, five on the left and right). The zone vanes are heated by contracting the left and right vanes.
When the above setting is performed during automatic operation, the upper and lower flaps 6 are automatically blown down in addition to the above operation.
In the case of heating start-up, the short cycle mechanism works together with the contraction.
These airflow controls are canceled after a predetermined time has elapsed or when resetting (remote control).
The short cycle mechanism is to drive each vane independently so that a part of the wind blown from the blowout port is sent out toward the suction port.
[0030]
According to the above-described embodiment, when high-capacity operation (high-power operation) is selected during heating operation, the blown air temperature is increased by lowering the rotational speed of the cross-flow fan 2, and the left and right vanes are reduced. By reducing the flow, the blown air speed is increased, and the quick warming performance during heating is improved.
Further, during the automatic heating operation, in addition to reducing the rotational speed of the cross flow fan 2 and contracting the left vane and the right vane, the upper and lower flaps 6 are blown down to regulate the wind direction toward the floor surface. Even when it is difficult to warm up, it is possible to quickly raise the temperature near the floor by improving the reach of hot air, making it possible to achieve quick warming during heating and creating a comfortable living environment be able to.
[0031]
Embodiment 4 FIG.
2 and 3 are diagrams showing Embodiment 4, FIG. 2 is a side view of the air conditioner, and FIG. 3 is a configuration diagram of a two-stage bent left and right wind vane provided with a flow reducing mechanism.
In FIG. 2, 7 is a two-stage bent left and right wind vane. However, it is not limited to two-step bending, and may be a multi-step bending.
In FIG. 3, 7a is a left vane and 7b is a right vane.
The left vane 7a and the right vane 7b may be at least partially bent in two steps.
[0032]
In the air conditioner according to the fourth embodiment, a two-stage bent left / right airflow vane 7 provided at the end of the ventilation path 4 is composed of a left vane 7a and a right vane 7b, and the left vane as in the first to third embodiments. 7a and the right vane 7b are formed in a shape close to a circular arc so that the downstream side is narrowly closed in any blowing direction so as to face each other inwardly, thereby reducing the flow.
[0033]
The air conditioner according to the fourth embodiment has a left vane 7a and a right vane 7b formed into a two-stage bending vane, and the pressure loss is reduced as compared with those of the first to third embodiments, so that smoother air flow control is possible. It becomes possible.
[0034]
Embodiment 5. FIG.
The air conditioner in the fifth embodiment uses an HFC-based refrigerant, for example, R410A, R407C, or R32, as the refrigerant in the first to fourth embodiments.
The oil used for the compressor is an alkylbenzene oil, polyol ether oil, ester oil or Teflon oil.
[0035]
According to the above-described embodiment, since the HFC-based refrigerant is used as the refrigerant, the amount of the refrigerant can be reduced, and the recyclability can be improved in a safe and simple structure with respect to the environment. In addition, the refrigerant pressure loss is reduced and the cooling performance is improved.
[0036]
Embodiment 6 FIG.
The air conditioner according to the sixth embodiment uses an HC refrigerant such as R50, R170, R290, R600, R600a, R1150, and R1270 as the refrigerant in the first to fourth embodiments.
The oil used for the compressor is an alkylbenzene oil, polyol ether oil, ester oil or Teflon oil.
[0037]
According to the above-described embodiment, since the HC refrigerant is used as the refrigerant, the amount of the refrigerant can be reduced, and the recyclability can be improved in a safe and simple structure with respect to the environment. In addition, the refrigerant pressure loss is reduced and the cooling performance is improved.
[0038]
The air conditioner in the first to sixth embodiments described above is an air flow control method in the control unit without adding a new part to contract the left / right wind direction vane 6 or the two-stage bent left / right wind direction vane 7. Recyclability of the air conditioner can be improved, for example, by changing only, and by reducing the pipe diameter and reducing the material required for the pipe in accordance with the refrigerant change in the fifth embodiment.
[0039]
【The invention's effect】
In the air conditioner according to the present invention, the left and right vanes of the left and right wind direction control means are controlled so as to constrict the flow so as to close the downstream side narrowly in any blowing direction so as to face each other inward. By doing so, it becomes possible to subdivide the zone air conditioning and comfortable space in each arbitrary wind direction, and there is also an energy saving effect in a lean operation.
[0040]
In addition, the left vane and the right vane have a configuration in which a plurality of vanes are arranged at unequal pitches, so that pressure loss can be reduced.
[0041]
Further, when the high-capacity operation is selected during the cooling operation, the rotation speed of the blower is increased and the right and left wind direction control means is contracted by the control means, so that there is an effect of improving the cool wind feeling.
[0042]
Further, when the high-capacity operation is set during the cooling automatic operation, the up-and-down air direction control means is automatically blown down together with the contraction of the left and right air direction control means, so that it is possible to directly apply cold air to a person.
[0043]
Further, when high-capacity operation is selected during the heating operation, the rotation speed of the blower is reduced and the left and right air direction control means is contracted by the control means, so that the blown air speed is increased and the hot air arrival performance is improved.
[0044]
In addition, when high-capacity operation is set during automatic heating operation, the up-and-down airflow direction control means is automatically blown down, so that the floor temperature can be raised and a comfortable living environment can be created.
[0045]
In addition, when the heating operation is started, the short cycle mechanism works together with the contraction flow by the control means, so that the blown air temperature can be raised in a short time.
[0046]
Further, since at least a part of the left vane and the right vane is composed of multi-stage bending vanes, smooth air flow control can be performed without reducing the pressure loss and reducing the blowing performance (noise value).
[Brief description of the drawings]
FIG. 1 shows the first embodiment, and is a side view of an air conditioner provided with left and right wind direction vanes provided with a contraction mechanism.
FIG. 2 shows the fourth embodiment and is a side view of the air conditioner.
FIG. 3 is a diagram showing a fourth embodiment, and is a configuration diagram of a two-stage bent left / right airflow direction vane provided with a contraction mechanism.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Blower, 2 Crossflow fan, 3 Casing, 4 Annular ventilation path, 5 Left and right wind direction vane, 6 Vertical flap, 7 Two-stage bending right and left wind direction vane, 7a Left vane, 7b Right vane.

Claims (14)

An air conditioner body,
A casing provided in the main body, having a ventilation path, and storing a blower;
Provided at the outlet of the terminal end portion of the casing, controls the left and right wind direction of the blown air, and is arranged on the right side of the outlet, and a left vane composed of a plurality of vanes arranged on the left side of the outlet. Left and right wind direction control means having a right vane composed of a plurality of vanes,
Control means for causing the left vane and the right vane of the left and right air direction control means to flow in a narrow manner toward the respective blowing directions so as to face each other inward so as to close the downstream side , and heating An air conditioner characterized in that, when high-capacity operation is selected during operation, the rotational speed of the blower is lowered and the left and right wind direction control means is contracted by the control means.   The air conditioner according to claim 1, wherein the left vane and the right vane have a plurality of vanes arranged at an equal pitch.   The left vane is composed of a plurality of vanes arranged between the center of the outlet and the left end of the outlet, and the right vane is a plurality of sheets arranged between the center of the outlet and the right end of the outlet. The air conditioner according to claim 1, comprising:   The air conditioner according to claim 1, wherein the blower is configured such that a cross-flow fan is driven by an electric motor.   2. The air conditioner according to claim 1, wherein, when high-capacity operation is selected during cooling operation, the rotational speed of the blower is increased and the left and right airflow direction control means is contracted by the control means. The air outlet is provided with a vertical air direction control means,
6. The air conditioner according to claim 5 , wherein when the high-capacity operation is set during the cooling automatic operation, the up-and-down airflow direction control means is automatically made to blow down. The setting of the contracted flow of the left / right wind direction control means or the contracted flow of the left / right wind direction control means and the downflow of the up / down wind direction control means is canceled after a predetermined time has elapsed or when the operation of the air conditioner is reset. The air conditioner according to claim 5 or 6 , characterized by the above. The air outlet is provided with a vertical air direction control means,
If you set the high capacity operation during the heating automatic operation, the air conditioner according to claim 1, characterized in that the blow automatically under the vertical airflow direction control means. When the heating operation is started, a short cycle mechanism for controlling the up-and-down airflow direction control means so as to send out part of the wind blown from the outlet toward the suction port together with the contracted flow by the control means. The air conditioner according to claim 1 . The contracted flow of the left / right wind direction control means or the contracted flow of the left / right wind direction control means and the downflow of the up / down wind direction control means or the contraction of the left / right wind direction control means and the setting of the short cycle mechanism are set after a predetermined time has passed or air claim 1 or claim 8 or claim 9 air conditioner according case the operation of the conditioner is re-set, characterized in that it is released.   The air conditioner according to claim 1, wherein at least a part of the left vane and the right vane is constituted by a multistage bending vane. The air conditioner according to claim 11, wherein the multi-stage bending vane is constituted by a two-stage bending vane.   2. The air conditioner according to claim 1, wherein an HFC refrigerant is used as the refrigerant, and an alkylbenzene oil, polyol ether oil, ester oil or Teflon oil is used as the compressor oil.   The air conditioner according to claim 1, wherein HC refrigerant is used as the refrigerant, and alkylbenzene oil, polyol ether oil, ester oil or Teflon oil is used as the compressor oil.

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