JP2004085069A - Air blowing circuit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve design property of an indoor unit blow-out port, prevent feeling of cold air from the indoor blow-out port when defrosting, and suppress leakage of refrigerant sound into a room. <P>SOLUTION: A shutter which is divided into two parts and in which each part swings around a rotary shaft independently to open and close it is provided in the blow-out port. It has an air direction control vane which is stored inside the blow-out port more than the shutter, is stretched between the vicinity of a fringe part of the shutter and an upper wall face and a lower wall face of the blow-out port, and swings in synchronization with opening and closing of the shutter to control air direction. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a form of an outlet of a blower circuit such as an air conditioner and a car air conditioner.
[0002]
[Prior art]
Hereinafter, the outlet of the conventional blower will be described.
FIG. 5 is a configuration diagram of an indoor unit of a conventional air conditioner.
[0003]
An indoor heat exchanger (not shown), an indoor fan (not shown), and an indoor fan motor (not shown) are built in the indoor unit A of the air conditioner. An outlet 201 is provided at an inlet of the wind, and an inlet 204 is provided at an inlet of the wind, and a vertical wind direction control blade (hereinafter, referred to as upper and lower blade) 202 and a left and right wind direction control blade (hereinafter, referred to as left and right blade) 203 are provided at the indoor outlet 201. Is provided.
[0004]
In such a configuration, when the indoor fan is driven by the indoor fan motor, the indoor air is taken into the indoor unit A from the suction port 204, passes through the indoor heat exchanger, and is blown out from the indoor outlet 201.
[0005]
At this time, the blown air passes near the surfaces of the upper and lower blades 202 and the left and right blades 203, and the vertical and horizontal directions are determined by the deflection of the upper and lower blades 202 and the left and right blades 203.
[0006]
The upper and lower blades 202 and the left and right blades 203 are installed at the outlet 201 by at least one rotating shaft provided around the outlet, and can swing around the rotating shaft to change the degree of deflection. Has become.
[0007]
Further, the left and right blades 203 are usually housed in the back of the outlet 201 more than the upper and lower blades 202, and when the upper and lower blades are closed, the state is as shown in FIG.
[0008]
[Problems to be solved by the invention]
As described above, by swinging the upper and lower blades 202 around the rotation axis, the outlet 201 can be freely opened and closed. However, to control the wind direction, it is necessary to provide the shafts of the upper and lower blades inside the outlet. In order to effectively control the wind direction, the design was the most efficient and reasonable.
[0009]
However, according to this configuration, even when the upper and lower blades 202 are closed, it is inevitable that a gap is formed between the outlet 201 and the upper and lower blades 202.
[0010]
For this reason, the interior of the indoor unit A can be seen from the gap between the outlet 201 and the upper and lower blades 202, and the interior is not excellent in design. As a result, it was not possible to sufficiently differentiate the design.
[0011]
In addition, in the case where the positions of the rotation axes of the upper and lower blades are adjusted so that the gap does not occur, the efficiency of wind direction control is often sacrificed.
[0012]
Further, at the time of the defrosting operation peculiar to the heat pump type air conditioner, the air cooled by the low-temperature indoor heat exchange has a specific gravity larger than that of the surrounding air and sinks, and the cool air leaks from the gap of the outlet into the room. However, there has been a problem that the user feels a cool wind.
[0013]
Also, during the heating operation of the heat pump type air conditioner, since a high and low pressure difference is generated inside the refrigeration cycle, when the four-way valve is switched for defrosting, the high pressure part and the low pressure part in the refrigeration cycle are all four directions. The refrigerant instantaneously conducts in the valve, and due to the energy of the pressure difference, the refrigerant moves rapidly in the narrow / bent flow path inside the four-way valve forming the refrigeration cycle and in the heat exchanger, generating refrigerant flow noise, This sound leaked from the gap between the outlets, giving the user discomfort.
[0014]
The present invention has been made in view of the above problems, and improves the design of an indoor unit outlet, prevents a sense of cool air from the indoor outlet during defrosting, and suppresses leakage of refrigerant noise into a room. Things.
[0015]
[Means for Solving the Problems]
In order to solve the above-described problem, the present invention provides an air outlet, a shutter divided into two vertically and vertically, and the two divided shutters abut on each other at their edges, and each independently rotate around the rotation axis. Swings the opening and closing the outlet, controls the vertical or front-rear wind direction of the wind blown out of the shutter and housed inside the outlet, near the edge of the shutter and the upper wall of the outlet and It has first and second wind direction control blades that are passed between lower wall surfaces and swing in synchronization with opening and closing of the shutter.
[0016]
By adopting such a configuration, the design is excellent, and the blow-out of the air cooled by the indoor heat exchange accompanying the defrosting operation is prevented from being blown out from the outlet, without giving the user a feeling of unpleasant cold wind. , Which can perform defrosting.
[0017]
In addition, the leakage of the sound generated from the refrigeration cycle can be prevented by closing the outlet, and the refrigerant flow noise when the refrigeration cycle is switched from the heating operation to the defrosting operation can be suppressed.
[0018]
Also, the present invention provides an air outlet, a shutter divided into two vertically and vertically, and the divided shutter abuts each other at an edge thereof, and swings independently around a rotation axis. A first or second wind direction control blade integrally formed with at least one of the shutters for opening and closing the outlet, and controlling a vertical or forward or backward wind direction of the wind housed inside the outlet and blown by the shutter. The shutter has third wind direction control blades that swing independently of opening and closing of the shutter.
[0019]
By adopting such a configuration, the design is excellent, and the blow-out of the air cooled by the indoor heat exchange accompanying the defrosting operation is prevented from being blown out from the outlet, without giving the user a feeling of unpleasant cold wind. , Which can perform defrosting.
[0020]
In addition, the leakage of the sound generated from the refrigeration cycle can be prevented by closing the outlet, and the refrigerant flow noise when the refrigeration cycle is switched from the heating operation to the defrosting operation can be suppressed.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the attached drawings, taking a separation type air conditioner as an example.
[0022]
(Embodiment 1)
1 and 2 show a first embodiment of the indoor unit of the present invention. FIG. 2 is a detailed sectional view near the outlet.
1 is an outlet, 2 is an upper shutter, 3 is a lower shutter, 4 is a first wind direction control blade, 5 is a second wind direction control blade, 6 is an upper wall surface of the outlet, 7 is a lower wall surface of the outlet, 8 Is an indoor fan, 10 is a suction port, 11 is an upper shutter driving gear, 12 is a lower shutter driving gear, 13 is an upper shutter driving pinion that meshes with the upper shutter driving gear 11, and 14 is a lower shutter driving gear 12 A lower shutter driving pinion 15 integrally formed with the upper shutter 2 and provided with a pinion 13; a lower shutter end plate 16 integrally formed with the lower shutter 3 and provided with a pinion 14; Is a pod connecting the upper shutter 2 and the first wind direction control blade 4 around which the first wind direction control blade 4 can freely swing. 18 is the upper shutter 2 and the upper wall surface 6 of the outlet. A pod for connecting the first wind direction control blades 4 to freely swing around it; 19, a slide groove provided on the upper wall 6 of the outlet, and a pod 18 for sliding freely therein; 3 and the second wind direction control blade 5 are connected to each other, around which the second wind direction control blade 5 can swing freely. 2, a pod capable of freely swinging the wind direction control blades 5, a slide groove 22 provided on the lower wall 7 of the outlet, and a pod 21 capable of sliding freely therein, and an indoor unit 23.
[0023]
During operation of the air conditioner, the indoor fan 8 is driven by an indoor fan motor (not shown), and the indoor air is sucked from the suction port 10 and passes through the indoor heat exchanger (not shown). Then, the air passes through the vicinity of the first and second wind direction control blades 4 and 5 and is blown into the room again.
[0024]
At this time, the direction of the blown air is determined by the deflection of the first and second wind direction control blades 4 and 5.
[0025]
Next, the operation of the upper shutter 2, the lower shutter 3, the first wind direction control blade 4, and the second wind direction control blade 5 will be described.
[0026]
When the upper shutter driving gear 11 and the lower shutter driving gear 12 are driven by an electric motor (not shown), the upper and lower shutter driving pinions 13 and 14 meshing with these gears are respectively driven, and the upper and lower shutters are driven. The upper and lower shutter end plates 15 and 16 provided with the drive pinions 13 and 14 and the upper and lower shutters 2.3 integrally formed or assembled with these end plates open and close, respectively.
[0027]
At this time, one end of the first and second wind direction control blades 4.5 is connected to the upper and lower shutters 2.3 via the pipettes 17 and 20, and the other end is connected to the upper and lower wall surfaces 6 and 7 of the blowout port. 18 and 21, and the pods 18 and 21 can slide freely in slide grooves 19 and 22 provided on the upper and lower wall surfaces 6 and 7 of the outlet. The first and second wind direction control blades 4.5 swing in synchronization with opening and closing of the upper and lower shutters 2.3.
[0028]
With this configuration, when the upper shutter 2 is mainly opened from the shutter closed state shown in FIG. 2, the air blowing direction becomes horizontal, and conversely, when the lower shutter 3 is mainly opened from the shutter closed state, air blowing is performed. The direction is downward.
[0029]
Further, if the upper and lower shutters 2 and 3 are swung in the same phase while keeping a certain distance from each other, the wind direction changes continuously in the vertical direction.
[0030]
Also, by increasing or decreasing the distance between the upper and lower shutters 2 and 3, a wide blowing or a spot blowing is obtained.
[0031]
FIG. 3 shows an example of an operation pattern of the upper and lower shutters.
(Embodiment 2)
FIG. 4 is a detailed cross-sectional view of the vicinity of the outlet in the second embodiment of the indoor unit of the present invention. Portions other than the outlet are the same as in the first embodiment, and a description thereof will be omitted.
[0032]
31 is an outlet, 32 is an upper shutter, 33 is a lower shutter, 34 is a first wind direction control blade, 35 is a third wind direction control blade, 36 is an upper wall surface of the outlet, 37 is a lower wall surface of the outlet, 8 Is an indoor fan, 10 is a suction port, 11 is an upper shutter driving gear, 12 is a lower shutter driving gear, 13 is an upper shutter driving pinion that meshes with the upper shutter driving gear 11, and 14 is a lower shutter driving gear 12 A lower shutter driving pinion 15 integrally formed with the upper shutter 32 and provided with the pinion 13; a lower shutter end plate 16 integrally formed with the lower shutter 33 and provided with the pinion 14; Connects the first wind direction control blade 34 and the upper wall surface 36 of the outlet, around which the first wind direction control blade 34 and the upper shutter 32 can swing freely. Pipoddo, 23 is the indoor unit.
[0033]
During operation of the air conditioner, the indoor fan 8 is driven by an indoor fan motor (not shown), and the indoor air is sucked from the suction port 10 and passes through the indoor heat exchanger (not shown). , And further pass near the first and third wind direction control blades 34 and 35 and are blown out into the room again.
[0034]
At this time, the direction of the blown air is determined by the deflection of the first and third wind direction control blades 34 and 35.
[0035]
Next, the operations of the upper shutter 32, the lower shutter 33, the first wind direction control blade 34, and the third wind direction control blade 35 will be described.
[0036]
When the upper shutter driving gear 11 and the lower shutter driving gear 12 are driven by an electric motor (not shown), the upper and lower shutter driving pinions 13 and 14 meshing with these gears are respectively driven, and the upper and lower shutters are driven. Upper and lower shutter end plates 15 and 16 provided with drive pinions 13 and 14 and upper and lower shutters 32 and 33 integrally formed or assembled with these end plates open and close, respectively.
[0037]
At this time, the first wind direction control blade 34 is connected to the upper wall surface 36 of the air outlet through the pod 38 so that the first wind direction control blade 34 can freely swing around the outlet port. The blade 34 swings around the pivot 38 as a unit.
[0038]
The third wind direction control blade 35 swings independently of the upper and lower shutters 32 and 33 and the first wind direction control blade 34.
[0039]
With this configuration, when the upper shutter 32 is mainly opened from the shutter closed state and the third airflow direction control blade 35 is deflected in the horizontal direction, the air blowing direction becomes horizontal, and conversely, the air is blown out from the shutter closed state. When the lower shutter 33 is opened and the third wind direction control blade 35 is deflected downward, the air blowing direction becomes downward.
[0040]
If the upper and lower shutters 32 and 33 are oscillated in the same phase while maintaining a fixed distance from each other, and the third wind direction control blade 35 is oscillated in the same phase as this, the wind direction is continuously changed. It changes up and down.
[0041]
Further, by increasing or decreasing the distance between the upper and lower shutters 32 and 33, a wide blowing or a spot-like blowing is obtained.
[0042]
As is clear from the above embodiment, the invention described in the present application is characterized in that the outlet, the shutter divided into two vertically and vertically, and the shutter divided into two parts are separated from each other at their edges. Abutting, and independently swinging around the rotation axis to open and close the outlet, controlling the vertical or front-back direction of the wind blown out of the shutter by being housed inside the outlet, It has first and second wind direction control blades that are passed between the vicinity of the edge and the upper wall surface and the lower wall surface of the air outlet, and swing in synchronization with the opening and closing of the shutter. Unnecessary gaps in the air outlet of the air conditioner can be eliminated, exhibiting unprecedented superior design characteristics, and eliminating the gaps allows the cooling air feeling and refrigerant sound leakage during defrosting peculiar to heat pump air conditioners. Prevent Things can be.
[0043]
Further, the invention of the present application, the outlet, a shutter divided into two vertically and vertically, and the shutter divided into two, at the edges thereof abut each other, and swing independently around the rotation axis, respectively. A first or second wind direction control blade integrally formed with at least one of the shutters, and an up-down or front-rear direction of the wind housed inside the outlet and blown out of the shutter; A third wind direction control blade that controls and swings independently of the opening and closing of the shutter. This makes it possible to eliminate unnecessary gaps between the outlets other than during operation and to provide an unprecedented superiority. By exhibiting a design characteristic and eliminating gaps, it is possible to prevent the feeling of cool air and the leakage of refrigerant sound during defrosting, which is peculiar to a heat pump type air conditioner.
[Brief description of the drawings]
FIG. 1 is an indoor unit diagram according to an embodiment of the present invention; FIG. 2 is a detailed cross-sectional view of an outlet according to the first embodiment of the present invention; FIG. 3 is a wind direction control according to the first embodiment of the present invention; FIG. 4 is a detailed cross-sectional view of an air outlet in a second embodiment of the present invention. FIG. 5 is an indoor unit diagram in a conventional embodiment. FIG. 6 is an indoor unit in a conventional embodiment. Figure [Explanation of symbols]
Reference Signs List 1 outlet 2 upper shutter 3 lower shutter 4 first wind direction control blade 5 second wind direction control blade 6 upper wall 7 outlet lower wall 8 indoor fan 10 suction port 11 upper shutter driving gear 12 lower shutter Drive gear 13 Upper shutter drive pinion 14 Lower shutter drive pinion 15 Upper shutter end plate 17 Pipod 18 Pipod 19 Slide groove 20 Pipod 21 Pipod 22 Slide groove 23 Indoor unit 31 Outlet 32 Upper shutter 33 Lower shutter 34 First Wind direction control blade 35 Third wind direction control blade 36 Upper wall surface 37 of the outlet Lower wall surface 201 of the outlet Indoor outlet 202 Vertical wind direction control blade 203 Left and right blades 204 Inlet

Claims (2)

The outlet, the shutter divided into two vertically and vertically, and the two divided shutters abut on each other at their edges, and swing independently around the rotation axis to open and close the outlet. Controlling the wind direction in the up-down or front-rear direction of the wind that is housed inside the outlet rather than the shutter, and is passed between the vicinity of the edge of the shutter and the upper wall and the lower wall of the outlet, and A blower circuit having first and second wind direction control blades that swing in synchronization with opening and closing of a shutter; The outlet, the shutter divided into two vertically and vertically, and the two divided shutters abut on each other at their edges, and swing independently around the rotation axis to open and close the outlet. A first or second wind direction control blade integrally formed with at least one of the shutters, and controlling the vertical or forward or backward wind direction of the wind blown out of the shutter by being housed inside the outlet, and A blower circuit having third wind direction control blades that swing independently of opening and closing.

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