KR20020025991A - Air conditioner - Google Patents

Abstract

An air conditioner in which an electric/electronic parts unit (14) is disposed so that a longitudinal dimension thereof is not less than 1/3 of a longitudinal dimension of an indoor unit casing (1) or an air outlet (11). An indoor heat exchanger is thereby increased in size to increase the air conditioning efficiency of the air conditioner without increasing the size of an indoor unit casing body. Alternatively, the casing body can be formed compact without reducing the size of the indoor heat exchanger. <IMAGE>

Description

Air Conditioner {AIR CONDITIONER}

Fig. 28 is a transmission front view showing the indoor unit of the air conditioner of the prior art. In the main body casing 81, an indoor heat exchanger 82 formed by connecting the front heat exchanger and the rear heat exchanger in an inverted V shape is provided. Cylindrical cross flow fan 83 is arrange | positioned so that it may fit in the reverse V shape of this indoor heat exchanger 82. FIG. The cross flow fan 83 is rotationally driven by a fan motor 85 provided on the right side of the indoor heat exchanger 82. Then, the cross flow fan 85 is rotated so that the indoor air is sucked from the front of the indoor heat exchanger 82 and heat-exchanged in the indoor heat exchanger 82, followed by air conditioning from below the indoor heat exchanger 82. It is supposed to blow air into the room.

In the indoor heat exchanger 82, an auxiliary pipe 86 is drawn out from the right side in the drawing. The auxiliary pipe 86 is composed of a liquid pipe and a gas pipe forming a refrigerant circuit between an outdoor unit (not shown). The auxiliary pipe 86 is withdrawn from the indoor heat exchanger 82 and then disposed on the right side of the indoor heat exchanger 82. Then, the auxiliary pipe 86 is insulated and coated again to form a communication pipe 88, and the communication pipe 88 extends from the right side of the main body casing 81 to the left side of the main body casing 81. It is placed through. In addition, an electrical equipment box 90 is installed on the right side of the auxiliary pipe 86 so as to prevent the air flow path from interfering with the electrical equipment such as a microcomputer or a motor driving power amplifier.

In the indoor unit, an auxiliary pipe 86 drawn from the indoor heat exchanger 82 is disposed on the right side of the indoor heat exchanger 82. And the electrical equipment box 90 is installed in the right side of this auxiliary piping 86 again. That is, two spaces which do not directly contribute to the withdrawal space of the auxiliary pipe 86 and the heat exchange called the electrical equipment box 90 occupy the inside of the main body casing 81, and the indoor heat exchanger 82 is divided by these two spaces. The width dimension of must be made too small. Of course, from the viewpoint of the air conditioning efficiency, the width dimension of the indoor heat exchanger 82 is preferably larger. However, on the other hand, increasing the width dimension of the main body casing 81 is not preferable from the viewpoint of limiting the installation space or maintaining the installation workability. Therefore, the space that does not directly contribute to the heat exchange in the main body casing 81 is made as small as possible to increase the width dimension of the indoor heat exchanger 82 to increase the air conditioning efficiency without increasing the width dimension of the main body casing 81. It was desired.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly, to an air conditioner having an improved arrangement space of an electrical appliance unit.

1 is a front schematic view showing a first embodiment of an air conditioner of the present invention;

2 is a front elevational view similar to the above showing the first embodiment of the air conditioner of the present invention;

3 is a side view showing a first embodiment of an air conditioner of the present invention;

4 is a cross-sectional view showing a first embodiment of an air conditioner of the present invention;

5 is an exploded perspective view showing a first embodiment of an air conditioner of the present invention;

6 is an exploded perspective view of an example of an electric equipment unit used in the air conditioner;

7 is a plan view of the electronic device unit,

8 is a block diagram showing the circuit configuration of the electronic device unit;

9 is a cross-sectional view showing a structure near a light emitting display unit in the electronic device unit;

10 is a block diagram showing a circuit configuration of the electronic device unit.

11 is a block diagram showing a modification of the circuit configuration of the electronic device unit;

12 is a schematic diagram illustrating an arrangement example of an electric equipment unit of the air conditioner;

It is a schematic diagram which shows the example of a change of the arrangement example of the electrical equipment unit of the said air conditioner.

14 is a schematic diagram showing another modification of the arrangement example of the electrical equipment unit of the air conditioner;

It is a schematic diagram which shows the example of arrangement | positioning of the electrical equipment unit of the said air conditioner.

It is a schematic diagram which shows the example of arrangement | positioning when the said electrical equipment unit is comprised separately,

It is a schematic diagram which shows the other example of arrangement | positioning when the said electrical equipment unit is comprised separately,

18 is a schematic diagram showing an arrangement example of an electric equipment unit of the air conditioner;

It is a schematic diagram which shows the example of arrangement | positioning of the electrical equipment unit of the said air conditioner,

20 is a cross-sectional view showing an arrangement change example of an electrical equipment unit of the air conditioner;

21 is a cross-sectional view showing another example of arrangement of electrical equipment units of the air conditioner;

22 is a cross-sectional view showing still another example of arrangement of electrical equipment units of the air conditioner;

23 is a cross-sectional view showing another arrangement example of the electronic equipment unit of the air conditioner;

24 is a cross-sectional view showing another example of arrangement of electrical equipment units of the air conditioner;

25 is a schematic diagram showing an arrangement example of an electric equipment unit of the air conditioner;

It is a schematic diagram which shows the example of arrangement | positioning of the electrical equipment unit of the said air conditioner,

Fig. 27 is a schematic sectional view showing an arrangement example of electrical equipment units of the air conditioner;

28 is a front schematic view showing a conventional arrangement of the electrical equipment unit of the air conditioner.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and its object is to increase the dimensions of the heat exchanger without increasing the main body casing, thereby improving the air conditioning efficiency, or to compact the main body casing without reducing the dimensions of the heat exchanger. To provide a configurable air conditioner.

In order to achieve the above object, the air conditioner of the first aspect of the present invention is characterized in that the electrical equipment unit is arranged such that the dimension along the longitudinal direction of the indoor unit casing of the electrical equipment unit is at least 1/3 of the length of the longitudinal dimension of the indoor unit casing. Doing.

According to the air conditioner of the first aspect of the present invention, by placing an elongated electrical equipment unit in an indoor unit casing, it is possible to arrange the electrical equipment unit in various spaces viewed in a cross section perpendicular to the longitudinal direction of the indoor unit casing. That is, in the side of the indoor unit casing as in the prior art, no special space for disposing the electrical equipment is required. Therefore, the longitudinal dimension of an indoor unit can be made small, and an indoor unit can be made compact. On the contrary, it is possible to increase the arrangement space of the heat exchanger or the fan in an indoor unit having the same dimension as the conventional one, and therefore it is possible to improve the air-conditioning performance compared to the conventional one. It is preferable to make the dimension along the longitudinal direction of the indoor unit casing of the electrical component unit in the above still longer, Preferably it is 1/2 or more of the longitudinal dimension of an indoor unit casing, More preferably, it is 2/3 or more.

The air conditioner of the second aspect of the invention is characterized in that the electrical equipment unit is arranged such that the dimension along the longitudinal direction of the indoor unit jet port of the electrical equipment unit is at least 1/3 or more of the length in the longitudinal direction of the jet port.

Also in the air conditioner of the said 2nd invention, the advantage of the compactness of an indoor unit and the improvement of air-conditioning performance is acquired similarly to 1st invention. Also in this case, the dimension along the longitudinal direction of the indoor ejection outlet of the electrical component unit is preferably made longer, preferably 1/2 or more, more preferably 2/3 or more of the longitudinal dimension of the indoor unit ejection outlet.

The air conditioner of the third aspect of the invention is characterized in that the electrical equipment unit is arranged such that the dimension along the axial direction of the indoor unit fan of the electrical equipment unit is at least 1/3 of the length of the longitudinal dimension of the indoor unit casing or the jet port.

Also in the air conditioner of the third invention, the advantages of compacting the indoor unit and improving the air conditioning performance are obtained in the same manner as in the first invention. This air conditioner is an invention for the case where the axial direction of the fan coincides with the longitudinal direction of the indoor unit casing or the jet port. Therefore, the first and second inventions include cases in which blowing means other than a fan is used, or in which the axial direction of the fan does not coincide with the longitudinal direction of the indoor unit casing or the jet port. Also in this case, the dimension along the axial direction of the indoor unit fan of the electrical equipment unit is preferably made longer, preferably 1/2 or more, more preferably 2/3 or more of the longitudinal dimension of the indoor unit casing or the jet port. .

Moreover, the air conditioner of 4th invention arrange | positioned the electrical equipment unit so that the sum total of the dimension along the longitudinal direction of the indoor unit casing of each electrical equipment unit may be at least 1/3 or more of the length in the longitudinal direction of the indoor unit casing, have.

Moreover, the air conditioner of 5th invention arrange | positioned the electrical equipment unit so that the sum total of the dimension along the longitudinal direction of the indoor unit ejection opening of each electrical equipment unit may be at least 1/3 or more of the length in the longitudinal direction of an ejection opening. .

Moreover, the air conditioner of 6th invention arrange | positioned the electrical equipment unit so that the sum total of the dimension along the axial direction of the indoor unit fan of each electrical equipment unit may be at least 1/3 or more of the length in the longitudinal direction of an indoor unit casing or a blower outlet. I am doing it.

In each of the first to third inventions described above, when the electrical equipment unit is configured as a single unit, when the electrical equipment unit is configured as a plurality of units arranged on substantially the same straight line, the plurality of units are shifted from each other rather than on the same straight line. In the fourth to sixth inventions, in the case where the electrical equipment unit is constituted by a plurality of units, the length of each of the electrical equipment units has a total value. It specifies the points to be prescribed. Although not specified in the first to third inventions, when the electrical equipment unit is constituted by a plurality of units, the dimension of the electrical equipment unit means the total dimension. Also in each of the fourth to sixth inventions, similarly to the first to third inventions, the advantages of compacting the indoor unit and improving air-conditioning performance are obtained. In addition, by configuring the electrical equipment unit with a plurality of units, the degree of freedom for selecting the arrangement position can be improved, and the proper arrangement according to the model can be achieved.

Also in the fourth to sixth inventions, it is preferable that the total value of the respective dimensions of the electrical equipment unit is made longer, preferably 1/2 or more, more preferably 2/3 or more of the longitudinal dimension of the indoor unit casing or the jet port. It is done.

In the first to sixth inventions, the air conditioner of one embodiment is characterized in that the electrical equipment unit is disposed in an air flow passage in an indoor unit casing.

In the air conditioner of the above embodiment, it is possible to cool the electrical equipment unit by the circulation air at the time of cooling and heating operation, thereby improving the reliability of the electrical equipment.

Moreover, in the 1st-6th invention, the air conditioner of one Embodiment is characterized in that the electrical equipment unit is arrange | positioned only in the air flow path in an indoor unit casing.

According to the air conditioner of the above embodiment, it is possible to suppress the increase in the ventilation resistance directly by the electrical equipment unit, and therefore it is possible to suppress the decrease in the air conditioning performance due to the installation of the electrical equipment unit.

In the air conditioner of the seventh aspect of the present invention, the electrical equipment unit has a longitudinal dimension of the indoor unit casing, or a longitudinal dimension of the ejection opening, or a dimension along the axial direction of the fan, at least one third of the longitudinal dimension of the indoor unit casing or the ejection opening. It is extended so that it may become the above length, and it is characterized by arrange | positioning in the area | region which an injection port and a suction port adjoin.

In the air conditioner of the seventh aspect of the invention, the advantages of the compactness of the indoor unit and the improvement of the air-conditioning performance are obtained in the same manner as in the first to third inventions with respect to the dimensions of the electrical equipment unit. In the indoor unit, the area where the jet port and the suction port are adjacent is preferably a dead space for a short circuit on the jet side and the suction side. If the electrical equipment unit is arranged in the dead space area as described above, the space in the indoor unit casing can be more effectively utilized, and as a result, the indoor unit can be further compacted or the air conditioning performance can be improved.

According to the seventh aspect of the present invention, in the air conditioner of the seventh aspect of the present invention, an area in which the outlet port and the inlet port are adjacent is a position above the outlet port, and the electrical equipment unit is a portion of the drain pan and the indoor unit casing provided below the indoor heat exchanger in the area. It is arrange | positioned at the position between a front panel, It is characterized by the above-mentioned.

In a region located above the air outlet of the indoor unit, such as the air conditioner of the above embodiment, when a drain pan is provided below the indoor heat exchanger, the position between the drain pan and the front panel of the indoor unit casing is surely dead. Since it is an area | region which becomes a space, if an electrical equipment unit is arrange | positioned in this area | region, the space in an indoor unit casing can be utilized more effectively, As a result, it becomes possible to make a indoor unit more compact or to improve air-conditioning performance further.

In the air conditioner of the eighth aspect of the present invention, the electrical equipment unit has at least one third the longitudinal dimension of the indoor unit casing, the longitudinal dimension of the ejection opening, or the dimension along the axial direction of the fan. It extends so that it may become the above length, and is arrange | positioned in the area | region located between a front panel and an indoor heat exchanger, It is characterized by the above-mentioned.

In the air conditioner of the eighth aspect of the invention, the advantages of the compactness of the indoor unit and the improvement of the air-conditioning performance are obtained in the same way as in the first to third inventions with respect to the dimensions of the electric equipment unit. In the present invention, the electronics unit is arranged in an area located between the front panel and the indoor heat exchanger, that is, in the air flow passage. However, since the cross-sectional area of the electronics unit is small, the increase in ventilation resistance can be suppressed. In addition, it is possible to cool the electronics unit by the circulation air during the heating and cooling operation, thereby improving the reliability of the electronics.

In the air conditioner of the ninth aspect of the present invention, the electrical equipment unit has a longitudinal dimension of the indoor unit casing, or a longitudinal dimension of the ejection opening, or a dimension along the axial direction of the fan, at least one third of the longitudinal dimension of the indoor unit casing or the ejection opening. It is extended so that it may become above length, and it is arrange | positioned in the area | region located in the back side of an indoor unit, It is characterized by the above-mentioned.

In the air conditioner of the ninth aspect of the invention, the advantages of the compactness of the indoor unit and the improvement of the air-conditioning performance are obtained in the same manner as in the first to third inventions with respect to the dimensions of the electrical equipment unit. Moreover, in this invention, since the electrical equipment unit is arrange | positioned in the area | region located in the back side of the indoor unit which becomes a completely dead space in an indoor unit casing, the space in an indoor unit casing can be utilized more effectively, As a result, an indoor unit becomes more compact, It is possible to further improve the air conditioning performance.

In the ninth aspect of the present invention, the air conditioner of one embodiment is characterized in that the electric equipment unit is embedded in a rear scroll portion that forms an air passage in the indoor unit casing.

In the air conditioner of the above embodiment, the electrical equipment unit is embedded in a scroll portion on the rear side of, for example, a foam material, so that the space in the indoor unit casing can be more effectively utilized without causing an increase in the ventilation resistance in the air flow passage. As a result, the indoor unit can be further compacted and the air conditioning performance can be further improved.

In the air conditioner of the tenth aspect of the present invention, the electrical equipment unit has a longitudinal dimension of the indoor unit casing, or a longitudinal dimension of the ejection opening, or a dimension along the axial direction of the fan of at least 1/3 of the longitudinal dimension of the indoor unit casing or the ejection opening. The heat exchanger in the indoor unit casing is formed by combining the front heat exchanger and the rear heat exchanger in an inverted V shape, and the electronics unit is arranged to couple both heat exchangers at the intersection of both heat exchangers. It is characterized by.

In the air conditioner of the tenth aspect of the invention, the advantages of the compactness of the indoor unit and the improvement of the air-conditioning performance are obtained in the same way as in the first to third inventions with respect to the dimensions of the electrical equipment unit. In addition, in the present invention, the electronics unit functions to seal the intersection of the front heat exchanger and the rear heat exchanger, but by using other functions in the electronics unit as well, the use of a dedicated seal material can be omitted, thereby reducing the manufacturing cost. . In addition, when the two functions are used together, the required space is reduced accordingly. Therefore, in this respect, the indoor unit can be made compact and the air conditioning performance can be improved. In addition, when the electronics unit is arranged to combine both heat exchangers at the intersections of the two heat exchangers, a seal dedicated member may be provided separately, and the advantages of compacting the indoor unit and improving air-conditioning performance are obtained.

Moreover, it is preferable that the height direction dimension of the said electrical equipment unit is 1/3 or less of the height direction total length of the said indoor unit casing in the height direction orthogonal to the longitudinal direction of an indoor unit casing. In this way, the ventilation resistance can be further reduced, and the degree of freedom of the arrangement form of the electrical equipment unit can be improved.

Moreover, it is preferable to make each dimension of an electrical component unit longer, Preferably it is made into 1/2 or more of the longitudinal dimension of an indoor unit casing or a blower outlet, More preferably, it is 2/3 or more.

The air conditioner of the eleventh aspect of the invention is characterized in that an electric space unit is formed in the indoor unit casing to form a surplus space extending in the longitudinal direction, and the dimensional ratio in the longitudinal direction is increased along the surplus space.

According to the air conditioner of the eleventh aspect of the present invention, the electrical equipment unit having an increased dimension ratio in the longitudinal direction is arranged by using an excess space extending in the longitudinal direction in the indoor unit casing, so that various spaces are viewed in a cross section perpendicular to the longitudinal direction of the indoor unit casing. It is possible to arrange the electrical equipment unit in the. That is, in the side of the indoor unit casing as in the prior art, no special space for disposing the electrical equipment is required. Therefore, the longitudinal dimension of an indoor unit can be made small, and an indoor unit can be made compact. On the contrary, in an indoor unit of the same size, the space for arranging the heat exchanger and the fan can be increased, and therefore, the air-conditioning performance can be improved more than before. In addition, "increasing the dimension ratio in the longitudinal direction" means that the dimension in the longitudinal direction is larger than any of the two-direction dimensions orthogonal thereto, and the magnitude relationship of the ratio is not a problem. It is preferable to make the longitudinal dimension ratio of the electrical component unit larger than the longitudinal dimension ratio of the indoor unit casing.

The air conditioner of one embodiment is characterized in that, in the eleventh invention, the electrical component unit is disposed in an area in which the ejection port and the suction port of the indoor unit casing are adjacent to each other.

According to the air conditioner of the above embodiment, similarly to the eleventh invention, the advantages of compacting the indoor unit and improving the air conditioning performance are obtained. In the indoor unit, an area where the ejection port and the suction port are adjacent is a dead space for preventing short circuit on the ejecting side and the suction side. In this way, by forming a surplus space extending in the longitudinal direction in the dead space area and arranging the electrical equipment unit, the space in the indoor unit casing can be more effectively utilized, and as a result, the indoor unit becomes more compact and the air conditioning performance is further increased. It becomes possible to improve.

According to an eleventh aspect of the present invention, in the eleventh aspect of the present invention, a region where the jet port and the suction port are adjacent is a position above the jet port, and the electrical equipment unit is located in the area below the indoor heat exchanger and the drain pan and the indoor casing. It is characterized in that it is arranged at a position between the front panel of the.

In a region located above the air outlet of the indoor unit, such as the air conditioner of the above embodiment, when a drain pan is provided below the indoor heat exchanger, the position between the drain pan and the front panel of the indoor unit casing is surely dead. Since the area is a space, the surplus space extending in the longitudinal direction is formed in this area, whereby the electrical equipment unit is arranged, the space in the indoor unit casing can be utilized more effectively, and as a result, the indoor unit becomes more compact and the air conditioning performance is further increased. It becomes possible to improve.

According to an eleventh aspect of the present invention, the air conditioner is disposed in an area located between the front panel of the indoor unit casing and the indoor heat exchanger.

In the air conditioner of the above embodiment, similarly to the eleventh aspect of the invention, the advantages of compacting the indoor unit and improving the air-conditioning performance are obtained. In the present invention, the electronics unit is arranged in an area located between the front panel and the indoor heat exchanger, that is, in the air flow passage. However, the electronics unit has a smaller cross-sectional area by increasing the dimensional ratio in the longitudinal direction, thereby increasing the ventilation resistance. Can be suppressed. In addition, it is possible to cool the electronics unit by the circulation air at the time of cooling and heating operation, and it becomes possible to improve the reliability of the electronics.

According to an eleventh aspect of the present invention, an air conditioner includes a heat exchanger in an indoor unit casing in which a front heat exchanger and a rear heat exchanger are combined in an inverted V shape. It is arrange | positioned so that it may engage.

In the air conditioner of the above embodiment, similarly to the eleventh aspect of the invention, the advantages of the compactness of the indoor unit and the improvement of the air conditioning performance are obtained. In the present invention, the electronics unit functions to seal the intersection of the front heat exchanger and the rear heat exchanger. However, by using the other function as the electronics unit as well, the use of the dedicated sealing material can be omitted, and the manufacturing cost can be reduced. . In addition, when the two functions are used together, the required space is also reduced accordingly. Therefore, the indoor unit can be made compact and the air-conditioning performance can be improved. In addition, when the electrical component unit is arranged so as to couple both heat exchangers at the intersections of the two heat exchangers, a seal dedicated member may be provided separately, whereby the advantages of compacting the indoor unit and improving air-conditioning performance are obtained.

According to an eleventh aspect of the present invention, the air conditioner is disposed in the rear region of the scroll portion that forms the rear wall of the jet passage.

In the air conditioner of the above embodiment, similarly to the eleventh aspect of the invention, the advantages of the compactness of the indoor unit and the improvement of the air conditioning performance are obtained. In addition, in the present invention, since the electrical equipment unit is disposed in the rear portion of the scroll portion located on the rear side of the indoor unit, which becomes a complete dead space in the indoor unit casing, the space in the indoor unit casing can be more effectively utilized, and as a result, the indoor unit is more compact. It is possible to improve the air conditioning performance.

The air conditioner of one Embodiment is characterized in that the said electrical equipment unit is embedded in the scroll part.

In the air conditioner of the above embodiment, since the electrical equipment unit is embedded in a scroll portion made of, for example, a foam member, the space in the indoor unit casing can be more effectively utilized without causing an increase in the ventilation resistance in the air flow passage. As a result, the indoor unit can be made more compact or the air conditioning performance can be further improved.

The air conditioner of the twelfth aspect of the present invention comprises a heat exchanger disposed in an indoor unit casing, a blower outlet formed at a lower side of the indoor unit casing, and an inlet port formed at an upper side of the blower outlet, respectively, and below the heat exchanger at an upper position of the blower outlet. The electrical equipment unit is arrange | positioned at the position between the drain pan installed in this and the front panel of the said indoor unit casing.

In the air conditioner of the twelfth invention, the position between the drain pan provided below the heat exchanger and the front panel of the indoor unit casing at the upper position of the ejection opening of the indoor unit prevents short-circuit prevention on the ejecting side and the suction side. This is an area that must be left for dead space. In this way, when the electrical equipment unit is arranged in the dead space area, the space in the indoor unit casing can be more effectively utilized, and as a result, the indoor unit can be further compacted or the air conditioning performance can be further improved. In this case, the indoor unit casing spout, the suction port, and the electronics unit may be of any shape, but the horizontally long indoor unit casing is formed in the shape of extending the jet and the suction port in the horizontal direction, and the horizontally long electrical unit is extended along the spout. In this case, the effective utilization effect of the space is further exerted, and as a result, the indoor unit can be further compacted or the air conditioning performance can be further improved.

In the air conditioner of the thirteenth aspect of the present invention, the heat exchanger in the indoor unit casing is formed by combining the front heat exchanger and the rear heat exchanger in an inverted V shape, and the electrical equipment unit is arranged so as to couple both heat exchangers at the intersection of both heat exchangers. It features.

In the air conditioner according to the thirteenth aspect of the invention, the electronics unit functions to seal the intersection of the front heat exchanger and the rear heat exchanger. However, the use of a dedicated seal material can be omitted by using the other function as the electronics unit as well. The cost can be reduced. In addition, when the two functions are used together, the required space is also reduced. Therefore, the indoor unit can be made compact and the air-conditioning performance can be improved. In this thirteenth invention, the above-described advantages occur in any shape of the electrical component unit.

The air conditioner of the fourteenth aspect of the invention is characterized in that the electrical equipment unit is arranged at a position on the inner rear side of the indoor unit casing or on a position on the outer rear side of the indoor unit casing.

In the air conditioner of the fourteenth aspect of the present invention, since the electrical equipment unit is disposed at the rear side position of the indoor unit which becomes a complete dead space in the indoor unit casing, or the outer rear side position of the indoor unit casing, the space in the indoor unit casing is more effectively used. As a result, the indoor unit can be made more compact, and the air conditioning performance can be further improved. In the fourteenth invention, the shape of the electrical equipment unit may be any shape, but preferably, the electrical equipment unit may be a thin plate or rod shape, and may be freely formed in a square, a rectangle, or the like, or may be a single unit. It may be a unit.

An air conditioner of one embodiment is characterized in that a shielding mechanism for drain water scattered in the electric appliance unit is provided in the air conditioner.

According to the air conditioner of the above embodiment, it is possible to suppress that the drain water adversely affects the electrical equipment unit, thereby improving the reliability of the electrical equipment unit. It can also suppress that the cleaning agent and the washing | cleaning water at the time of the washing | cleaning of water, or an indoor heat exchanger adversely affect an electrical component unit, and also the reliability of an electrical component unit can be improved also to these. In addition, the shielding mechanism against drain water is good only if it can suppress the bad influence, such as a short circuit, from drain water, and it is not necessary to cut off the intrusion of drain water completely, and install the casing for electrical appliances or partition plate. This includes measures to install.

The air conditioner according to one embodiment is characterized in that the electric equipment unit is exposed to the outside when the front side of the indoor unit casing is opened in the air conditioner.

According to the air conditioner of the above embodiment, the electric appliance unit, that is, the electric appliance can be replaced simply by opening the front side of the indoor unit casing, thereby facilitating maintenance work.

An air conditioner according to one embodiment is characterized in that, in the air conditioner, the electrical component unit can be detached to the outside when the front side of the indoor unit casing is opened.

According to the air conditioner of the above embodiment, the electric appliance unit, i.e., the electric appliance can be detached only by opening the front side of the indoor unit casing, thereby facilitating the parts replacement work and the maintenance work.

The air conditioner of one embodiment is provided with light emitting display means in the said electronics unit in the said air conditioner, and this light emitting display means is arrange | positioned in the position which can be observed from the exterior through the observation window of the front side of an indoor unit casing. It features.

In the air conditioner of the above embodiment, since the light emitting display means is provided in the electrical equipment unit, the wiring length of the lead wire or the like for electrically connecting the electrical equipment unit and the light emitting display means does not need to be lengthened as in the prior art, but the wiring length is more than in the conventional art. Can be significantly shortened, the cost can be reduced, and the maintenance work can be facilitated by arranging the electrical parts and the light emitting display means in close proximity. The light emitting display means in the present invention includes LEDs, seven segment LEDs, LCDs, and the like.

When the air conditioner of one embodiment comprises the electrical component unit as a single unit in the said air conditioner, manufacture and handling become easy, it can aim at cost reduction, and also improves reliability. Moreover, you may comprise as a some unit which provided the electrical component unit substantially parallel. Specifically, a plurality of printed boards are used to form an electronics unit, and the plurality of printed boards are mounted on the same board and electrically connected to each other. In the case where the electrical component unit is configured as described above, the electrical component unit is preferably formed in a substantially columnar shape from the viewpoint of compactness and ease of handling. In addition, the electrical equipment unit may be configured as a plurality of units in addition to the configuration as described above, and may be arranged so that each unit is shifted from each other in the longitudinal direction and also in the direction crossing the longitudinal direction. By configuring in this way, the freedom degree of selection of the arrangement position can be improved, and the appropriate arrangement according to a model is attained.

An air conditioner of one embodiment is characterized in that, in the air conditioner, the electrical component unit has a lengthwise dimension substantially equal to a lengthwise dimension of an indoor unit casing or a blower port.

In the air conditioner of the above embodiment, since the electrical equipment unit has the maximum length that can be configured or the length that is very close to it, the cross-sectional area can be made small or close to the minimum, thereby greatly improving the degree of freedom of the arrangement position of the electrical equipment unit. Therefore, it is possible to achieve a significant compactness of the indoor unit and a significant improvement in the air conditioning performance by a drastic reduction in the ventilation resistance.

An air conditioner of one embodiment is characterized in that, in an air conditioner, the heat exchanger in the indoor unit casing is disposed over approximately the entire area of the indoor unit casing or the jet port.

In the air conditioner of the above embodiment, the effective area of the heat exchanger in the indoor unit casing can be increased, and the air conditioning performance can be improved.

In addition, if the performance is the same as before, the indoor unit casing can be made compact.

The air conditioner of one embodiment is characterized in that the electrical equipment unit is detachably provided in the air conditioner.

In the air conditioner of the above embodiment, it becomes possible to improve the assemblability and maintainability.

An air conditioner of one embodiment is characterized in that, in the air conditioner, the electrical component unit is arranged such that each of the plate fins of the heat exchanger and its arrangement direction are orthogonal to each other.

According to the air conditioner of the above embodiment, even if there is a disturbance in the distribution air flow due to the arrangement of the electrical equipment unit, this is a disturbance in a direction parallel to the arrangement direction of the plate pins. When passing, the increase in flow resistance can be suppressed, and as a result, the decrease in air conditioning performance can be suppressed.

The air conditioner of one embodiment is characterized in that the dimension in the longitudinal direction of the fan mechanism including the fan and the fan motor in the air conditioner is substantially equal to the longitudinal dimension of the fan mechanism of the heat exchanger.

According to the air conditioner of the said embodiment, the capability of a fan and a heat exchanger can be exhibited to the maximum.

The indoor unit of the air conditioner is not limited to a wall-mounted one, but includes a variety of installation forms such as a floor mounting type and a ceiling embedded type. Therefore, the longitudinal direction may mean the left and right directions as viewed by the user, and may also mean the vertical direction or the horizontal direction.

Next, although the specific embodiment of the air conditioner of this invention is described in detail, referring drawings, 1st Embodiment is described first. This air conditioner has a structure which consists of an outdoor unit and an indoor unit, and the following description is given about a wall-mounted indoor unit.

(1st embodiment)

First, based on FIG. 3, FIG. 4, and FIG. 5, the internal structure is demonstrated. First, as shown in FIG. 5, the indoor unit casing 1 of the indoor unit includes a main body casing 1a on which main components such as an indoor heat exchanger 4, a crossflow fan 9, and an electric equipment unit 14 are installed, It consists of the front grille 5 provided in the front surface of this main body casing 1a, and the front panel 7 provided in the front surface of the front grille 5, The width direction dimension rather than a vertical dimension as a whole is made into the whole. It consists of a long horizontally long shape. Among them, the front panel 7 can be detached by the user, but the main body casing 1a and the front grille 5 cannot be removed by the user. 3 and 4, a plate fin type indoor heat exchanger 4 is formed in which the front heat exchanger 2 and the rear heat exchanger 3 are arranged in an inverted V shape in the indoor unit casing 1. . In this indoor unit casing 1, an upper surface suction port 6 is formed in the ceiling of the front grill 5, and a front suction port 8 is formed in the front panel 7 as shown in FIG. The upper suction port 6 is formed in the shape of a ceiling of the front grille 5 in a lattice shape, and the upper suction port 8 is formed at an upper part of the center of the front panel 7 to open upward. It is formed by extending in the horizontal direction. A cross flow fan 9 is provided inside the inverted V-shape of the indoor heat exchanger 4. This cross flow fan 9 is called an axial flow fan, and is arranged such that its axial direction is along the longitudinal direction of the indoor unit casing 1. And the scroll part 10 is formed in the back of the cross flow fan 9, and it is provided in smooth connection with the blowing port 11 which opens to the lower front side of the indoor unit casing 1. As shown in FIG.

The upper wall surface 12 of the jet port 11 is integrally formed with the drain pan 13 located below the front heat exchanger 2, and the drain pan ( The electrical component unit 14 is arrange | positioned in the front side position of 13, ie, the position between the said drain pan 13 and the front panel 7. In addition, a rear side drain pan 15 is disposed below the rear heat exchanger.

The indoor unit itself and the indoor unit casing 1 are horizontally long, as shown in Figs. 1 and 2, and the front suction port 8 and the jet port 11 extend the longitudinal direction (horizontal direction) of the indoor unit casing 1. It is formed to extend along. Moreover, the said electrical equipment unit 14 is a position of the upper part of the said blower outlet 11, and in the position of the front side of the said drain pan 13, as shown in FIG. 1 and FIG. It has a form extending in the transverse direction along the longitudinal direction.

The detailed structure of the said electrical equipment unit 14 is demonstrated based on FIG. 6, FIG. 7, and FIG. In FIG. 6, 20 is the electrical equipment case which accommodates the electrical equipment unit 14, 21 is the electrical equipment cover which covers the electrical equipment unit 14, and the electrical equipment unit 14 is arrange | positioned between both 20 and 21. In FIG. The electrical component unit 14 includes a terminal panel 22 as a power input unit connected to a commercial power source (AC 100V or AC 200V), an AC circuit unit 23, a DC high voltage circuit unit 24, and a DC low voltage circuit unit 25 as shown in FIG. And a CPU control section 26 and a light emitting display section 27. As shown in Figs. 6 and 7, the DC high voltage circuit section 24 is connected to the first printed circuit board 28, and the DC low voltage circuit section 25 is provided. The light emitting display portion 27 is attached to the second printed circuit board 29 and to the display substrate 30, respectively. 6 and 7, the terminal panel 22, the AC circuit unit 23, the DC high voltage circuit unit 24, the DC low voltage circuit unit 25, and the CPU control unit 26 are shown in the figure from the right side to the left side. At the same time, the casing 1 is arranged in series along the longitudinal direction of the casing 1, and is installed in the electrical equipment case 20. In addition, the display substrate 30 is installed behind the electronic device cover 21, and the electronic device case 20 is covered with the electronic device cover 21 in this state. The electrical appliances cover 21 is provided with openings 31 and 31 at positions corresponding to the LEDs, seven-segment LEDs, and the like (light emitting display means) of the light emitting display portion 27 so as to be observed from the outside.

In the electronics unit 14, the first printed circuit board 28, the second printed board 29, and the display substrate 30 are all formed as horizontally as long as possible in order to form the whole of them horizontally. have. The first printed circuit board 28 and the second printed board 29 are connected to each other in a harness-free manner by the board-to-board connector 39.

In the DC high voltage circuit section 24 provided on the first printed circuit board 28, heating components such as a SW transformer 41, a rectifying diode 42, and a primary side SW element 43 are used. Many of these electrical components 41, 42, 43 are arranged in an upper position of the first printed circuit board 28 extending in the vertical direction as shown in Fig. 7 to prevent heat dissipation of the electrical components 41, 42, 43. At the same time, it is possible to prevent the effect of heat radiation on other electrical components. The electrical equipment unit 14 is accommodated in the electrical equipment case 20 as described above, and is covered by the electrical equipment cover 21, but radiates heat between the upper portion of the electronic equipment case 20 and the upper portion of the electronic equipment cover 21. As a hole, a constant gap (a portion indicated by reference numeral 45 in Fig. 7) is provided to open the gap toward the front surface, thereby promoting heat dissipation of the electric parts 41, 42, and 43 having high self-heating. have. By opening the heat dissipation hole toward the front side, intrusion of drain water is prevented and the reliability of the device is maintained.

In the above air conditioner, a DCPWM type indoor fan drive motor for driving the cross flow fan 9 is on the right side in Fig. 1, and a flap control motor (stepping motor) for driving control of the horizontal flap is left in Fig. 1. 8, respectively, the electric power is supplied from the DC high voltage circuit unit 24 to the indoor fan drive motor 35, and the electric power is supplied from the DC low voltage circuit unit 25 to the flap control motor 36. As shown in FIG. Is being supplied. That is, as shown in Figs. 6 and 7, the DC high voltage circuit portion 24 is disposed on the right side, and the DC low voltage circuit portion 25 is disposed on the left side. Similarly, the indoor fan drive motor 35 as the high pressure driving actuator is right and low pressure. By arranging the flap control motor 36 as a drive actuator on the left side, the circuit portions 24 and 25 and the actuators 35 and 36 are arranged as close as possible, and the connection harness is shortened to facilitate wiring and assembly work. It is getting angry.

As shown in Fig. 8, the indoor unit is connected to the outdoor unit 37, but this connection is made by the VVF line 38. The VVF line 38 is constituted by a pair of AC lines for power supply and a transmission line for internal and external transmission, but the VVF line 38 as the internal and external connection line is shown in FIGS. 6 and 7 with respect to the terminal panel 22. It is made to be able to insert and connect from the right side. That is, the insertion direction of the VVF line 38 into the terminal board 22 is a direction from the AC circuit section 23 toward the DC low voltage circuit section 25 in the longitudinal direction of the indoor unit casing 1. By inserting the VVF line 38 in such a direction, insertion and connection of the VVF line 38 can be facilitated, and at the same time, the VVF line 38 and the circuit portions 23, 24, 25, and 26 Interference can be prevented, and the line wiring work can be facilitated, and noise can be reduced.

And each opening 31 and 31 of the said electrical equipment cover 21 is comprised so that a user can observe from the exterior through the observation window 32 of the front grille 5, as shown in FIG. In addition, the front panel 5 does not cover the entirety of the front grille 5 as shown in the drawings, and the lower vicinity of the front grille 5 is exposed to the outside.

The characteristic point of the said air conditioner is that the dimension (a) along the longitudinal direction of the indoor unit casing 1 of the said electrical equipment unit 14 is a longitudinal dimension LA of the indoor unit casing 1, as shown in FIG. The electrical equipment unit 14 is arrange | positioned so that it may become length of at least 1/3 of (). The longer the length a of the electrical component unit 14 is, the more preferable, and therefore at least one half the length of the longitudinal dimension LA of the indoor unit casing 1, more preferably the longitudinal dimension of the indoor unit casing 1. The length is at least 2/3 of LA. Moreover, the most preferable thing is to make the dimension (a) along the longitudinal direction of the indoor unit casing 1 of the electrical component unit 14 into a length substantially equal to the longitudinal dimension LA of the indoor unit casing 1 (refer FIG. 18). Thus, when the maximum length which can comprise the electrical component unit 14 or the length which is very close to it can make the cross-sectional area into the minimum or near minimum, and greatly improves the degree of freedom of the arrangement position of the electrical component unit 14, The drastic reduction in the ventilation resistance, etc., can achieve a significant compactness of the indoor unit and a significant improvement in the air conditioning performance.

According to the air conditioner, since the elongated electrical component unit 14 is disposed in the indoor unit casing 1, a special space for disposing the electrical component unit 14 on the side portion of the indoor unit casing 1 as in the prior art is not required. Do not. Therefore, the longitudinal dimension of an indoor unit can be made small, and an indoor unit can be made compact. On the contrary, in the indoor unit having the same dimensions as in the related art, the space for arranging the indoor heat exchanger 4 and the cross flow fan 9 can be increased, which makes it possible to improve the air-conditioning performance compared to the conventional one. . In addition, since the electronics unit 14 is a long and thin shape, it is arranged evenly on the left and right along the longitudinal direction, so that even if the suction resistance on the suction side does not become an unbalanced ventilation resistance on the left and right, so as to prevent inconvenience such as rotor condensation. Occurrence can be suppressed. In addition, in the upper position of the ejection opening 11, the position of the front side of the drain pan 13 is a part which needs to be made dead space for the short circuit of the ejecting side and the suction side, but in such an area an electric appliance unit Since the space 14 is disposed, the space in the indoor unit casing 1 can be more effectively utilized, and as a result, the indoor unit can be further compacted or the air conditioning performance can be further improved.

In the air conditioner, the electrical equipment unit 14 is accommodated in the electrical equipment case 20 and covered with the electrical equipment cover 21. Therefore, it can suppress that the drain water in the drain pan 13 adversely affects the electrical component unit 14, and therefore, the reliability of the electrical component unit 14 can be improved. In addition, it is possible to suppress adverse effects on the electrical equipment unit 14 in the injection water for checking the drain drainage function at the time of installation construction, or the cleaning agent and the washing water at the time of cleaning the indoor heat exchanger 4. The reliability of the electrical equipment unit 14 can be improved. In addition, since the shielding mechanism for drain water should be able to suppress adverse effects such as a short circuit caused by the drain water, it is not necessary to completely block the ingress of the drain water, but the electrical equipment case 20 and the electrical equipment cover The countermeasure which omits any one of (21) or just installs a partition plate is also included in this. In the air conditioner, when the front panel 7, the front grille 5, and the electronic device cover 21 are removed, the electronic device unit 14 is exposed to the outside. In this state, the electric parts can be inspected, replaced, repaired, etc., from the front surface thereof, thereby facilitating replacement of parts and maintenance work.

In the air conditioner, a light emitting display unit 27 is provided in the electrical appliance unit 14, and the light emitting display unit 27 is observable from the outside through an observation window 32 on the front side of the indoor unit casing 1. Although the light emitting display unit 27 is integrally provided in the electronic component unit 14 as described above, wiring lengths such as lead wires for electrically connecting the electronic component unit 14 and the light emitting display unit 27 are conventionally known. It is not necessary to lengthen it like this, and the wiring length can be made significantly shorter than before. Thus, the cost can be reduced, and the electrical parts and the light emitting display portion 27 are arranged in close proximity to facilitate maintenance work. It is also possible. In addition, by storing the electrical equipment unit 14 in the electrical equipment case 20 and covering it with the electrical equipment cover 21, since it is comprised in a columnar shape as a single unit, manufacture and handling are easy and cost reduction can be carried out. At the same time, reliability is also improved.

10 schematically shows an arrangement state of the respective circuits. As described above, the circuit sections of the terminal board 22, the AC circuit section 23, the DC high voltage circuit section 24, and the DC low voltage circuit section 25 are arranged along the longitudinal direction of the indoor unit casing 1. Fig. 11 shows a modified example, and Fig. 11 (a) shows a layout suitable for a product having an AC-DC converter outside the apparatus, and each circuit part of the DC high voltage circuit part 24 and the DC low voltage circuit part 25 is an indoor unit. It is arrange | positioned along the longitudinal direction of the casing 1. 11 (b) shows a layout suitable for a product which performs the step-down in a transformer or the like, and each circuit part of the terminal board 22, the AC high voltage circuit unit 23, the AC low voltage circuit unit 23a, and the DC low voltage circuit unit 25 is shown. It is arrange | positioned along the longitudinal direction of the indoor unit casing (1).

(Example of change regarding dimensions of electronics unit)

As shown in FIG. 13, the dimension of the electrical component unit 14 arrange | positions so that the dimension (a) along the longitudinal direction of the blower outlet 911 of an indoor unit may be at least 1/3 or more of the longitudinal dimension LB of the blower outlet 11, Also good. Also in this case, it is preferable that the dimension (a) along the longitudinal direction of the indoor unit blower outlet 11 of the electrical component unit 14 is made longer, Preferably 1/2 of the longitudinal dimension LB of the indoor unit blower outlet 11 is made longer. The above is more preferably 2/3 or more. Moreover, the most preferable thing is to make the dimension (a) along the longitudinal direction of the indoor unit blower outlet 11 of the electrical component unit 14 into a length substantially equal to the longitudinal dimension LB of the blower outlet 11 (refer FIG. 18). In this way, when the maximum length of the electrical component unit 14 or the very close length can be made, the cross-sectional area can be made the minimum or the nearest, thereby greatly improving the degree of freedom of the placement position of the electrical component unit 14 and the ventilation resistance. The drastic reduction in the size of the indoor unit makes it possible to achieve a significant compactness of the indoor unit and a significant improvement in the air conditioning performance. As shown in FIG. 14, when the axial direction of the cross flow fan 9 and the longitudinal direction of the indoor unit casing 1 or the ejection opening 11 coincide with each other, the axial direction of the cross flow fan 9 of the electrical equipment unit 14 The dimension (a) along the line may be arranged to be at least 1/3 of the longitudinal dimensions (LA, LB) of the indoor unit casing (1) or the jet port (11). Also in this case, it is preferable that the dimension a along the axial direction of the indoor unit fan 9 of the electric equipment unit 14 be further lengthened, and preferably the longitudinal dimension LA of the indoor unit casing 1 or the ejection opening 11. , LB) to 1/2 or more, more preferably 2/3 or more.

(Change example about the shape of the electrical equipment unit)

In the above air conditioner, the electronics unit 14 is housed in the electronics case 20 and covered with the electronics cover 21 to form a single unit in a columnar shape (FIG. 18), thereby facilitating manufacturing and handling. While reducing the reliability and improving the reliability, as shown in FIG. 16, the electrical component unit 14 may be configured as a plurality of units 14a, 14b, 14c arranged in a substantially straight line. Specifically, the electrical component unit 14 is configured with a plurality of printed boards, the plurality of printed boards are mounted on the same board, and electrically connected to each other. And when the electrical component unit 14 is comprised as mentioned above, it is preferable to form the electrical component unit 14 as a whole in substantially columnar form from a compacting point and the ease of handling. Moreover, as shown in FIG. 17, the electrical equipment unit 14 is comprised from the some unit 14a, 14b, 14c, and each unit 14a, 14b, 14c also has the direction which cross | intersects the longitudinal direction, and also the longitudinal direction ( The air flow direction) may also be arranged to be offset from each other. By configuring in this way, the freedom degree of selection of the arrangement position can be improved, and the appropriate arrangement according to a model is attained.

When the electrical equipment unit 14 is divided into a plurality of units as described above, the total value a + b + c of the dimensions along the longitudinal direction of the indoor unit casing 1 of each electrical equipment unit 14 is the indoor unit casing. The total value of the dimension which arrange | positions the electrical equipment unit 14 so that it may become length of at least 1/3 or more of the longitudinal direction total length LA of (1), or along the longitudinal direction of the indoor unit blower outlet 11 of each electrical equipment unit 14 ( The electrical equipment units 14 are arranged such that a + b + c is at least 1/3 of the total length LB of the ejection opening 11, or the indoor unit fan 9 of each electrical equipment unit 14 is provided. The electric component unit 14 so that the sum total of the dimension (a + b + c) along the axial direction of the at least one third of the longitudinal lengths LA and LB of the indoor unit casing 1 or the blower outlet 11 is at least one length. Good place. That is, in the case where the electrical equipment unit 14 is composed of a plurality of units, the indoor unit is compacted and air-conditioned by defining the length with the total value (a + b + c) of the respective dimensions of the electrical equipment unit 14. The advantage of improved performance is obtained. Also in this case, it is preferable to make the total value (a + b + c) of each dimension of the electrical component unit 14 longer, Preferably, the longitudinal dimension LA of the indoor unit casing 1 or the blower outlet 11, 1/2 or more of LB), More preferably, it is 2/3 or more.

Moreover, in the height direction (up-down direction) orthogonal to the longitudinal direction of the indoor unit casing 1, the height direction dimension t of the said electrical equipment unit 14 is the height of the said indoor casing 1, as shown in FIG. It is preferable to set it as 1/3 or less of the direction full length T. In this way, the ventilation resistance can be further reduced, and the degree of freedom of the arrangement form of the electrical component unit 14 can be improved.

(Example of arrangement of electronics unit)

In the above embodiment, the electrical equipment unit 14 is disposed at the position of the front side of the drain pan 13 at the upper position of the jet port 11, but the arrangement position of the electrical equipment unit 14 can be changed as follows. In addition, in the following modification, the said description regarding the dimension and shape of the electrical component unit 14 is applied as it is. First, in FIG. 20, the electrical component unit 14 is arrange | positioned in the air path 33 between the front heat exchanger 2 and the front panel 7. As shown in FIG. In this case, since the cross-sectional area of the electrical component unit 14 is small as mentioned above, it can suppress that ventilation resistance increases. In addition, during the heating and cooling operation, it is possible to cool the electrical equipment unit 14 by the circulation air, thereby improving the reliability of the electrical equipment. In addition, since the electronics unit 14 is an elongated shape and is laid out evenly along the longitudinal direction, even if the suction resistance on the suction side becomes unbalanced, it does not become an unbalanced ventilation resistance on the left side. Can be suppressed.

In FIGS. 21 and 22, the indoor heat exchanger 4 in the indoor unit casing 1 is formed by combining the front heat exchanger 2 and the rear heat exchanger 3 in an inverted V shape as described above. The electrical component unit 14 is arrange | positioned so that the both heat exchangers 2 and 3 may be couple | bonded in the intersection position of the front heat exchanger 2 and the rear heat exchanger 3. As shown in FIG. In the case of FIG. 21, the long side in the cross section of the electrical component unit 14 is arrange | positioned in the state which follows an airflow, and in FIG. 22, in the state in which the short side in the cross section of the electrical equipment unit 14 follows the air flow. It is arranged. In this modified example, the electronics unit 14 functions to seal the intersection of the front heat exchanger 2 and the rear heat exchanger 3, but the use of a dedicated seal material by combining other functions with the electronics unit 14 as described above. Can be omitted, and manufacturing cost can be reduced. In addition, when the two functions are used together, the required space is also reduced. Therefore, in this respect, the indoor unit can be made compact and the air conditioning performance can be improved. Also in these cases, it is possible to cool the electrical component unit 14 by the circulation air at the time of cooling and heating operation, and it becomes possible to improve the reliability of the electrical equipment. In addition, when the electrical component unit 14 is arrange | positioned so that both heat exchangers 2 and 3 may be couple | bonded in the intersection position of both heat exchangers 2 and 3, a seal exclusive member may also be installed separately and it can also be performed indoor unit. The advantages of compacting and improving air-conditioning performance are obtained.

In FIG. 23, the electrical component unit 14 is arrange | positioned further in the back side of the rear heat exchanger 3 in the indoor unit casing 1. As shown in FIG. Thus, since the electrical equipment unit 14 is arrange | positioned in the area | region located in the back side of the indoor unit which becomes a complete dead space in the indoor unit casing 1, the space in the indoor unit casing 1 can be utilized more effectively as a result, It becomes possible to make the indoor unit more compact or to further improve the air conditioning performance.

In FIG. 24, the electrical equipment unit 14 is arrange | positioned in the rear area | region of the scroll part 10 which comprises the back wall of a jet passage. Thus, since the electrical equipment unit 14 is arrange | positioned in the back area of the scroll part 10 located in the back side of the indoor unit which becomes a complete dead space in the indoor unit casing 1, the space in the indoor unit casing 1 is further effective. As a result, the indoor unit can be made more compact and the air conditioning performance can be further improved. In this case, the electrical equipment unit 14 is disposed outside the air passage in the indoor unit casing 1, and as a result, the electrical resistance unit can be suppressed from directly increasing the ventilation resistance, so that the electrical equipment unit It is possible to suppress the decrease in air conditioning performance due to the provision of (14).

(Other Modifications Regarding Dimensions, Shapes, and Positions of Electrical Appliance Units)

In each of the above embodiments, the dimension in the longitudinal direction of the electrical component unit 14 is defined in relation to the longitudinal dimension of the indoor unit casing 1 or the ejection opening 11, but the dimension in the longitudinal direction of the electrical component unit 14 is The present invention is not limited to this and can be changed by studying the arrangement. For example, when the electrical component unit 14 which raises the dimension ratio of the longitudinal direction is arrange | positioned using the surplus space extended in the longitudinal direction in the indoor unit casing 1, it sees from the cross section orthogonal to the longitudinal direction of the indoor unit casing 1; It is possible to arrange the electrical equipment unit 14 in various spaces. That is, a special space for disposing the electrical equipment is not required on the side of the indoor unit casing 1 as in the prior art. Therefore, the longitudinal dimension of an indoor unit can be made small, and an indoor unit can be made compact. On the contrary, the space for arranging the heat exchanger 4 and the fan 9 in the indoor unit of the same size can be increased, and thus the air-conditioning performance can be improved compared to the conventional one. In addition, "increasing the dimension ratio in the longitudinal direction" means that the dimension in the longitudinal direction is larger than any of the two-direction dimensions orthogonal thereto, and the magnitude relationship of the ratio is not a problem. It is preferable to make the longitudinal dimension ratio of the electrical component unit 14 larger than the longitudinal dimension ratio of the indoor unit casing 1 only.

In the case of the above-described configuration, the drain pan 13 and the front panel are disposed at the position where the electric appliance unit 14 is arranged in the adjacent region of the blower outlet 11 and the suction hole 8 and the upper position of the blower outlet 11. Position between (7) (FIG. 4), position in the air passage between the front panel (7) and the front heat exchanger (FIG. 20), intersection position of the front heat exchanger (2) and the rear heat exchanger (3). (FIG. 21, FIG. 22), It is preferable to set it as the position (FIG. 23) of the back side in the indoor unit casing 1, and the rear part area | region (FIG. 24) of the scroll part 10. FIG. In addition, when distributing the electrical equipment units 14 as shown in FIG. 16 and FIG. 17, the dimension ratio in the longitudinal direction of each of the electrical equipment units 14a, 14b, and 14c may be increased. It is preferable to increase the direction dimension ratio. In addition, when the electrical component unit 14 is arrange | positioned so that both heat exchangers 2 and 3 may be couple | bonded in the intersection position of the heat exchangers 2 and 3 like FIG. 21, FIG. Even at this time, the advantages of compacting the indoor unit and improving the air-conditioning performance can be obtained.

In addition, if the arrangement position of the electrical component unit 14 is fully considered, it may not be necessary to raise the dimension ratio of a longitudinal direction as mentioned above. For example, in the upper position of the ejection opening 11 of the indoor unit, the position between the drain pan 13 installed below the heat exchanger 4 and the front panel 7 of the indoor unit casing 1 is the ejecting side. As shown in FIG. 4, when the electrical equipment unit 14 is disposed in an area that must be left as a dead space for a short circuit on the suction side and a dead space as described above, the space in the indoor unit casing 1 is further increased. It can be utilized effectively, and as a result, it becomes possible to make a indoor unit more compact or to improve air-conditioning performance further. In this case, the indoor unit casing 1, the blower outlet 11, the suction inlet 8, and the electric appliance unit 14 may be of any shape, but the blower outlet 11 and the suction inlet 8 are formed by using the indoor unit casing 1 which is horizontally long. ) Is formed to extend in the horizontal direction, and the horizontally long electrical appliances unit 14 is extended along the blower outlet 11, and the effective utilization effect of the space is further exerted, resulting in a more compact indoor unit. As a result, the air conditioning performance can be further improved.

In addition, the electronics unit 14 is arranged to function to seal the intersection of the front heat exchanger 2 and the rear heat exchanger 3 (FIGS. 21 and 22), and the electronics unit 14 also serves as another function. The use of a sealing material can be omitted, and manufacturing cost can be reduced. In addition, when the two functions are used together, the required space is reduced accordingly. Therefore, the indoor unit can be made compact and the air-conditioning performance can be improved.

In the indoor unit casing 1, when the electrical equipment unit 14 is disposed at a position on the rear side of the indoor unit (Fig. 23) which becomes a complete dead space, or on a position on the outer rear side of the indoor unit casing 1 (Fig. 24). The space in the indoor unit casing 1 can be utilized more effectively, and as a result, the indoor unit can be further compacted or the air conditioning performance can be further improved.

As described above, when the electrical equipment unit 14 is disposed in the indoor unit casing 1 at a position on the rear side which has little influence on the air flow, or when placed outside the indoor unit casing 1, the dimensions of the electrical equipment unit 14 are as follows. The shape is not limited to the above embodiments. For example, as shown in FIG. 25 and FIG. 26, when the electrical component unit 14 is comprised by a thin plate-shaped unit, it will be located in the position of the inside back side of the indoor unit casing 1, or the position of the outer back side of the indoor unit casing 1, and the like. It is possible to deploy. In this case, the shape of the electrical component unit 14 can be freely formed, such as a square, a rectangle, and a rod shape, and depending on the case, it can also lengthwise lengthen | distribute as shown in FIG. In this air conditioner, since the electrical equipment unit 14 is arrange | positioned in the indoor unit casing 1 in the back side of the indoor unit which becomes a complete dead space, or in the position of the outer back side of the indoor unit casing 1, the indoor unit casing ( 1) The space inside can be utilized more effectively, and as a result, the indoor unit can be further compacted, or the air conditioning performance can be further improved.

In the case where the electrical equipment unit 14 is disposed on the rear side of the indoor unit casing 1, when the electrical equipment unit 14 is embedded in a scroll portion 10 made of, for example, a foamed synthetic resin material, as shown in FIG. Therefore, the space in the indoor unit casing 1 can be utilized more effectively without causing an increase in the ventilation resistance in the air flow passage, and as a result, the indoor unit can be further compacted or the air conditioning performance can be further improved.

(Other changes)

It is preferable that the indoor heat exchanger 4 in the indoor unit casing 1 be disposed over approximately the entire area of the indoor unit casing 1 or the jet port 11. In this way, the effective area of the heat exchanger 4 in the indoor unit casing 1 can be increased, and the air-conditioning performance can be improved. In addition, if the performance is the same as in the related art, the indoor unit casing 1 can be made more compact than in the prior art. In addition, with respect to the expression "approximately whole", when referring to the size of the indoor heat exchanger 4, this does not mean the dimensions of only the portion having the plate fin, but the U-shaped heat transfer tube on the side, and the fractionation pipe portion on the opposite side. The dimension also includes the back. Moreover, it is preferable that the said electrical component unit 14 is detachably attached, and in this case, it becomes possible to improve assembly property and maintenance property.

Moreover, in the said 1st Embodiment, the electrical component unit 14 is arrange | positioned so that each plate fin of the said indoor heat exchanger 4 and the arrangement direction may orthogonally cross. According to this configuration, even if there is a disturbance in the distribution air flow due to the arrangement of the electrical equipment unit 14, it becomes a disturbance in a direction parallel to the arrangement direction of the plate pin, so that the air flow passes through the plate pin by this disturbance. In this case, an increase in flow resistance can be suppressed, and as a result, a decrease in air conditioning performance can be suppressed. Moreover, since the electrical component unit 14 and the plate pin are orthogonally arrange | positioned, internal structure becomes symmetrical and manufacturing cost can be reduced. In the air conditioner, the length of the fan mechanism including the fan 9 and the fan motor is substantially equal to the length of the fan mechanism of the indoor heat exchanger 4. 9) and the heat exchanger 4 can be used to the fullest extent. In addition, the longitudinal dimension of the indoor heat exchanger 4 is a dimension including not only the part which has a plate fin in the indoor heat exchanger 4 but the part of the U-shaped heat exchanger tube in the both ends. It means.

The indoor unit of the air conditioner is not limited to a wall-mounted type, but includes various types of installations such as a floor-mounted type and a ceiling-embedded type. Therefore, the longitudinal direction may mean the left-right direction as seen by the user, and may also mean the vertical direction or the horizontal direction. In addition, in this specification, the expression "long horizontal" means that w / h> 1 when the vertical dimension is h and the horizontal dimension is w.

Claims (39)

Air, characterized in that the electrical equipment unit 14 is arranged so that the dimension along the longitudinal direction of the indoor unit casing 1 of the electrical equipment unit 14 is at least 1/3 or more of the length in the longitudinal direction of the indoor unit casing 1. Conditioner. The air-conditioning unit 14 which arrange | positioned so that the dimension along the longitudinal direction of the indoor unit blower outlet 11 of the electrical equipment unit 14 may be at least 1/3 length of the longitudinal dimension of the blower outlet 11, or more. group. The electrical equipment unit 14 is arrange | positioned so that the dimension along the axial direction of the indoor unit fan 9 of the electrical equipment unit 14 may be at least 1/3 length or more of the longitudinal dimension of the indoor unit casing 1 or the blower outlet 11. Air conditioner, characterized in that. The electrical equipment unit 14 is arranged such that the total value of the dimensions along the longitudinal direction of the indoor unit casing 1 of each of the electrical equipment units 14 is at least 1/3 or more of the total length in the longitudinal direction of the indoor unit casing 1. Air conditioner characterized by. The electrical equipment unit 14 is arrange | positioned so that the sum total of the dimension along the longitudinal direction of the indoor unit blower outlet 11 of each electrical equipment unit 14 may be at least 1/3 length of the total length of the blower outlet 11 in the longitudinal direction. Air conditioning. The electrical equipment unit 14 is such that the total value of the dimensions along the axial direction of the indoor unit fan 9 of each electrical equipment unit 14 is at least 1/3 of the total length in the longitudinal direction of the indoor unit casing 1 or the jet port 11. Air conditioner characterized in that the arrangement. The method according to any one of claims 1 to 6, The electric equipment unit (14) is characterized in that the air conditioner is disposed in the air flow passage in the indoor unit casing (1). The method according to any one of claims 1 to 6, The electric equipment unit (14) is characterized in that the air conditioner is disposed outside the air flow passage in the indoor unit casing (1). The electrical equipment unit 14 has the longitudinal dimension of the indoor unit casing 1, the longitudinal dimension of the ejection opening 11, or the dimension along the axial direction of the fan 9, and the indoor unit casing 1 or the ejection opening 11 And an air outlet port (11) and an inlet port (8) are arranged in an adjacent region so as to extend at least one third of the length in the longitudinal dimension of the air conditioner. The method of claim 9, The region in which the jet port 11 and the suction port 8 are adjacent to each other is an upper position of the jet port 11, and the electrical appliance unit 14 is a drain pan 13 provided below the indoor heat exchanger 4 in the region. And a front panel (7) of the indoor unit casing (1). The electrical equipment unit 14 has the longitudinal dimension of the indoor unit casing 1, the longitudinal dimension of the ejection opening 11, or the dimension along the axial direction of the fan 9, and the indoor unit casing 1 or the ejection opening 11 And an air conditioner extending so as to have a length of at least one third of the longitudinal dimension of the filter and disposed in an area located between the front panel (7) and the indoor heat exchanger (4). The electrical equipment unit 14 has the longitudinal dimension of the indoor unit casing 1, the longitudinal dimension of the ejection opening 11, or the dimension along the axial direction of the fan 9, and the indoor unit casing 1 or the ejection opening 11 An air conditioner, wherein the air conditioner is disposed to extend at least 1/3 of the length of the longitudinal dimension of the indoor unit, and is disposed in an area located on the rear side of the indoor unit. The method of claim 12, The electric equipment unit (14) is an air conditioner, characterized in that embedded in the rear scroll portion (10) forming an air passage in the indoor unit casing (1). The electrical component unit 14 has a longitudinal dimension of the indoor unit casing 1, or a longitudinal dimension of the ejection opening 11, or a dimension along the axial direction of the fan 9 of the indoor unit casing 1 or the ejection opening 11. It is installed to extend at least one third of the longitudinal dimension and the heat exchanger 4 in the indoor unit casing 1 combines the front heat exchanger 2 and the rear heat exchanger 3 in an inverted V shape. And the electrical equipment unit (14) is arranged to engage both heat exchangers (2, 3) at the intersection of both heat exchangers (2, 3). The method according to any one of claims 1 to 14, In the height direction orthogonal to the longitudinal direction of the said indoor unit casing 1, the height direction dimension of the said electrical equipment unit 14 is 1/3 or less of the height direction total length of the said indoor unit casing 1, It is characterized by the above-mentioned. Conditioner. An air conditioner having an excess space extending in the longitudinal direction in the indoor unit casing (1), and having an electrical component unit (14) having a higher dimension ratio in the longitudinal direction along the excess space. The method of claim 16, The electric equipment unit (14) is characterized in that the air conditioner is disposed in an area where the outlet (11) and the suction port (8) of the indoor unit casing (1) is adjacent. The method of claim 17, The region in which the jet port 11 and the suction port 8 are adjacent to each other is an upper position of the jet port 11, and the electrical appliance unit 14 is located in the drain pan 13 below the indoor heat exchanger 4 in the area. And a front panel (7) of the indoor casing. The method of claim 16, The electric equipment unit (14) is characterized in that the air conditioner is disposed in an area located between the front panel (7) and the indoor heat exchanger (4) of the indoor unit casing (1). The method of claim 16, The heat exchanger (4) in the indoor unit casing (1) is formed by combining the front heat exchanger (2) and the rear heat exchanger (3) in an inverted V shape, and the electronics unit (14) has both heat exchangers (2, 3). Air conditioner, characterized in that it is arranged to engage both heat exchangers (2, 3) at the intersection of the). The method of claim 16, The electric equipment unit (14) is characterized in that the air conditioner is disposed in the rear region of the scroll portion (10) constituting the back wall of the jet passage. The method of claim 21, The electrical equipment unit (14) is an air conditioner, characterized in that embedded in the scroll portion (10). The heat exchanger 4 is arranged in the indoor unit casing 1, and a spout 11 is formed at the lower side of the indoor unit casing 1, and an inlet 8 is formed at the upper side than the spout 11, respectively. The electrical equipment unit 14 is arranged at a position between the drain pan 13 installed below the heat exchanger 4 and the front panel 7 of the indoor unit casing 1 at the upper position of the heat exchanger 4. Air conditioner characterized by. The heat exchanger 4 in the indoor unit casing 1 is formed by combining the front heat exchanger 2 and the rear heat exchanger 3 in an inverted V shape, and both heat exchangers at the intersection of both heat exchangers 2 and 3. An air conditioner, characterized in that the electronics unit (14) is arranged to engage the groups (2, 3). An air conditioner, characterized in that the electrical equipment unit (14) is arranged at a position on the inner rear side of the indoor unit casing (1) or at a position on the outer rear side of the indoor unit casing (1). The method according to any one of claims 10, 18, 23, The electric appliance unit (14) is characterized in that the air conditioner is provided with a shielding device for the scattered drain water. The method according to any one of claims 10, 11, 18, 19, 23, The electric equipment unit 14 is characterized in that the air conditioner is exposed to the outside when the front of the indoor unit casing (1) open. The method according to any one of claims 10, 11, 18, 19, 23, The electric appliance unit (14) is an air conditioner, characterized in that detachable to the outside at the time of opening the front of the indoor unit casing (1). The method according to any one of claims 10, 11, 18, 19, 23, The electronic device unit 14 is provided with a light emitting display means 27, which is disposed at a position that can be observed from the outside through an observation window 32 on the front side of the indoor unit casing 1. Air conditioner characterized in that. The method according to any one of claims 1 to 3 or 7 to 29, The electric equipment unit (14) is characterized in that it is configured as a single unit. The method according to any one of claims 1 to 29, The electric equipment unit (14) is an air conditioner characterized in that it is configured as a plurality of units arranged in parallel on the same straight line. The method of claim 31, wherein Wherein each unit is mounted on the same substrate and connected to each other. 33. The method according to any one of claims 30 to 32, The electric equipment unit (14) is characterized in that formed in a substantially columnar shape. The method according to any one of claims 1 to 29, The said electrical equipment unit (14) is comprised as a some unit, and each unit arrange | positions mutually shift | deviating mutually also about the longitudinal direction and the direction which cross | intersects a longitudinal direction. The method according to any one of claims 1 to 34, The electrical equipment unit (14) is characterized in that the air conditioner has a longitudinal dimension approximately equal to the longitudinal dimension of the indoor unit casing (1) or the blowout port (11). The method according to any one of claims 1 to 35, The heat conditioner (4) in the indoor unit casing (1) is arranged over approximately the entire area of the indoor unit casing (1) or the jet port (11). The method according to any one of claims 1 to 36, The electric equipment unit (14) is characterized in that the air conditioner is detachably installed. The method according to any one of claims 1 to 37, The electric equipment unit (14) is characterized in that the plate fin of the heat exchanger (4), and the arrangement direction is arranged so that the arrangement direction is orthogonal. The method according to any one of claims 1 to 38, An air conditioner characterized in that the dimension in the longitudinal direction of the fan mechanism including the fan (9) and the fan motor is approximately equal to the longitudinal dimension of the fan mechanism in the heat exchanger (4).