JP2005083668A - Electric equipment unit of air conditioner and air conditioner group - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce a period and cost required for developing an electric equipment unit. <P>SOLUTION: This electric equipment unit 4 of an air conditioner has a basic control board 81, and an electric equipment box body 82. The electric equipment box body 82 stores the basic control board 81, and can be installed in common to a plurality of air conditioners different in a shape. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an electrical component unit of an air conditioner and an air conditioner group.

  Generally, an air conditioner that performs air conditioning such as air conditioning is provided with an electrical component unit. This electrical component unit has a substrate on which a control component for controlling the function of the air conditioner and the like are mounted, and an electrical component box that houses the substrate.

  On the other hand, there are various types of air conditioners, such as a wall-mounted air conditioner, a ceiling-embedded air conditioner, and a floor-standing air conditioner. Since these air conditioners have different arrangement modes, they have different forms. Moreover, even if it is the same kind of air conditioner, the form is often different depending on the function, the design, and the like.

And the air conditioner from which a form differs has many electrical component units from which a form and a size differ, respectively (refer patent document 1 and patent document 2).
Japanese Patent Laid-Open No. 10-132326 (FIG. 4) Japanese Patent Laid-Open No. 2002-162059 (FIG. 2)

  However, as described above, when different types of electrical equipment units are provided for different types of air conditioners, each time an air conditioner with a different form is developed, the design of the electrical equipment units is performed individually. Need to do. For this reason, the development man-hours and molds of the electrical component unit are required each time, and there is a possibility that the period and cost required for the development of the electrical component unit increase.

  The subject of this invention is reducing the period and cost which are required for development of an electrical equipment unit.

  The electrical component unit of the air conditioner according to claim 1 includes a first substrate and a first electrical component box. The first electrical component box accommodates the first substrate and can be attached in common to a plurality of air conditioners having different forms.

  In the electrical component unit of the air conditioner, the first electrical component box of the electrical component unit can be attached in common to a plurality of air conditioners having different forms. For this reason, a common 1st electrical component box can be used about several air conditioners from which a form differs. Therefore, it is possible to reduce the period and cost required for the development of the electrical component unit.

  The electrical component unit of the air conditioner according to claim 2 is the electrical component unit of the air conditioner according to claim 1, and is a unit disposed in the indoor unit of the air conditioner.

  In the electrical component unit of the air conditioner, a common first electrical component box can be used for a plurality of indoor units having different forms. The indoor unit is often different in form from the outdoor unit, such as a wall-mounted indoor unit and a ceiling-embedded indoor unit. Therefore, it is more effective to reduce the development period and cost by sharing the first electrical component box.

  The electrical component unit of the air conditioner according to claim 3 is the electrical component unit of the air conditioner according to claim 1 or 2, wherein the first substrate is common to a plurality of air conditioners having different forms. A control component related to the first function is mounted. A second board for adding a second function different from the first function can be added to the first electrical component box.

  In the electrical component unit of the air conditioner, a second substrate can be added to the first electrical component box. When the form of the air conditioner is different, its function is often different. In order to cope with the difference in function, it is necessary to perform different controls. In the electrical component unit of the air conditioner, a function different from the common function can be easily added by adding the second substrate to the first electrical component box.

  The electrical component unit of the air conditioner according to claim 4 is the electrical component unit of the air conditioner according to claim 3, wherein the first electrical component box accommodates the second control board. A box can be attached.

  In the electrical component unit of the air conditioner, the second substrate can be added by attaching the second electrical component box that houses the second substrate to the first electrical component box. Thereby, a function different from the common function can be easily added.

  The electrical component unit of the air conditioner according to claim 5 is the electrical component unit of the air conditioner according to claim 3 or 4, wherein the first electrical component box has the first function and the second function. A third substrate for adding a different third function can be added.

  In the electrical component unit of the air conditioner, a third substrate for adding a function different from the first function and the second function can be added to the first electrical component box. For this reason, by adding a 2nd board | substrate or a 3rd board | substrate, a function required for each can be easily added with respect to several air conditioner from which a function differs.

  The electrical component unit of the air conditioner according to claim 6 is the electrical component unit of the air conditioner according to claim 5, wherein the first electrical component box has a fixed portion. The fixing unit can fix the second electrical component box and can also fix the third electrical component box that accommodates the third substrate.

  In this electrical component unit of the air conditioner, it is possible to fix the first electrical component box to the first electrical component box using a common fixing portion, regardless of whether the electrical component box is the second electrical component box or the third electrical component box. Therefore, by attaching the second electrical component box or the third electrical component box, it is possible to easily add a necessary function to each of a plurality of air conditioners having different functions.

  The air conditioner group according to claim 7 includes a first air conditioner, a second air conditioner, and an electrical component unit. The second air conditioner is different in form from the first air conditioner. The electrical component unit has a first electrical component box. The first electrical component box can be attached to both the first air conditioner and the second air conditioner.

  In this air conditioner group, the first electrical component box can be commonly attached to the first air conditioner and the second air conditioner having different forms. Therefore, a common first electrical component box can be used for a plurality of air conditioners having different forms. Therefore, in this air conditioner group, it is possible to reduce the time and cost required for the development of the electrical component unit.

  In the electrical equipment unit of an air conditioner according to claim 1, a common first electrical equipment box can be used for a plurality of air conditioners having different forms. Therefore, it is possible to reduce the period and cost required for the development of the electrical component unit.

  In the electrical component unit of the air conditioner according to claim 2, a common first electrical component box can be used for a plurality of indoor units having different forms. The indoor unit is often different in form from the outdoor unit, such as a wall-mounted indoor unit and a ceiling-embedded indoor unit. Therefore, there are many types of indoor units that are particularly different in form. Therefore, it is more effective to reduce the development period and cost by sharing the first electrical component box.

  In the electrical component unit of the air conditioner according to claim 3, by adding the second substrate to the first electrical component box, a function different from the common function can be easily added.

  In the electrical component unit of the air conditioner according to claim 4, by attaching the second electrical component box to the first electrical component box, a function different from the common function can be easily added.

  In the electrical equipment unit of the air conditioner according to claim 5, by adding the second board or the third board, a necessary function can be easily added to each of the plurality of air conditioners having different functions. be able to.

  In the electrical equipment unit for an air conditioner according to claim 6, by attaching the second electrical equipment box or the third electrical equipment box, functions necessary for each of the air conditioners having different functions can be easily achieved. Can be added to.

  In the air conditioner group according to claim 7, a common first electrical component box can be used for a plurality of air conditioners having different forms. Therefore, in this air conditioner group, it is possible to reduce the time and cost required for the development of the electrical component unit.

<Basic configuration of air conditioner>
1 and 2 show air conditioners 1 and 4 belonging to an air conditioner group according to an embodiment of the present invention.

  A first air conditioner 1 shown in FIG. 1 has a wall-mounted first indoor unit 2 and a first outdoor unit 3 that are attached to the surface of an indoor wall surface. The first indoor unit 2 has a first indoor unit casing 20 including a front grille 21 and a main body frame 22. The front grille 21 covers the front surface of the first indoor unit 2 and has a shape that is long in the left-right direction when viewed from the front. Similar to the front grille 21, the main body frame 22 has a shape that is long in the left-right direction when viewed from the front, and accommodates an indoor heat exchanger, an indoor fan, and the like. The main body frame 22 is attached to the surface of the indoor wall surface. A blow-out opening 23 is provided in the lower part of the front grill 21. The outlet 23 has an elongated shape extending in the left-right direction along the longitudinal direction of the front grill 21. In addition, a suction port 24 for sucking indoor air is provided in the upper part of the front grille 21. The first outdoor unit 3 is disposed outside and is connected to the first indoor unit 2 by a refrigerant pipe or a communication line.

  The second air conditioner 4 shown in FIG. 2 includes a ceiling-embedded second indoor unit 5 and a second outdoor unit 6 that are installed embedded in the ceiling surface of the room. The second indoor unit 5 has a second indoor unit casing 50 including a top panel 51 and a main body casing 52. The top panel 51 has a flat plate-like shape provided on the surface of the ceiling surface facing the indoor space, and a suction port 53 for sucking indoor air is provided at the center. The top panel 51 is provided with four outlets 54 so as to surround the four sides of the inlet 53. The main body casing 52 is provided above the top panel 51 so as to be continuous with the top panel 51 and is embedded in the ceiling. The main casing 52 has a box shape and houses an indoor heat exchanger, an indoor fan, and the like. The second outdoor unit 6 is disposed outside and is connected to the second indoor unit 5 by a refrigerant pipe or a communication line.

  Thus, the 1st air conditioner 1 and the 2nd air conditioner 4 which comprise an air conditioner group have the 1st indoor unit 2 and the 2nd indoor unit 5 of a different form, but indoor heat exchange The basic configuration is the same, such as having a container and an indoor fan, and has a common function. Hereinafter, a basic configuration common to the air conditioners 1 and 4 will be described.

  FIG. 3 shows a schematic diagram showing the basic configuration of the refrigerant circuit of the first air conditioner 1 as an example. This refrigerant circuit mainly includes an indoor heat exchanger 70, an accumulator 31, a compressor 32, a four-way switching valve 33, an outdoor heat exchanger 30, and an electric expansion valve 34.

  The indoor heat exchanger 70 provided in the 1st indoor unit 2 performs heat exchange between the air which contacts. In addition, the first indoor unit 2 is provided with an indoor fan 71 for sucking indoor air and passing the air after passing through the indoor heat exchanger 70 and exhausting the air into the room. The indoor fan 71 is rotationally driven by an indoor fan motor 72 provided in the first indoor unit 2.

  The first outdoor unit 3 includes a compressor 32, a four-way switching valve 33 connected to the discharge side of the compressor 32, an accumulator 31 connected to the suction side of the compressor 32, and a four-way switching valve 33. An outdoor heat exchanger 30 to be connected and an electric expansion valve 34 to be connected to the outdoor heat exchanger 30 are provided. The electric expansion valve 34 is connected to a pipe 41, and is connected to one end of the indoor heat exchanger 70 through the pipe 41. The four-way switching valve 33 is connected to the pipe 42 and is connected to the other end of the indoor heat exchanger 70 via the pipe 42. Further, the first outdoor unit 3 is provided with an outdoor fan 38 for discharging the air after heat exchange in the outdoor heat exchanger 30 to the outside. The outdoor fan 38 is rotationally driven by an outdoor fan motor 39.

  With the above configuration, the first indoor unit 2 has the basic function of removing the heat or heating it into the room by passing the air sucked into the first indoor unit 2 by the indoor fan 71 through the indoor heat exchanger 70 ( First function). Air conditioning processing such as heat removal or heating is performed by controlling the electric expansion valve 34, the compressor 32, the outdoor fan motor 39, the indoor fan motor 72, and the like based on the intake air temperature, the heat exchanger temperature, and the like.

  Since the second indoor unit 5 is different in appearance from the first indoor unit 2, the indoor heat exchanger and the indoor fan accommodated therein are also the indoor heat exchanger 70 and the indoor fan 71 of the first indoor unit 2. And has a different form. However, the basic functions are common, and the basic configuration of the refrigerant circuit of the second indoor unit 5 is substantially the same as described above.

  And each air conditioner 1 and 4 has the electrical equipment unit 8 and 9 which controls a basic function and another function. Hereinafter, the electrical component units 8 and 9 will be described in detail.

<Configuration of electrical component unit>
First, an electrical component unit 8 provided in the first air conditioner 1 is shown in FIG. The electrical component unit 8 is disposed in the first indoor unit 2 and includes a basic control board 81 and an electrical component box main body 82.

  The basic control board 81 includes a microcomputer for controlling basic functions, a circuit for driving an indoor fan, a circuit for performing transmission with an outdoor electrical unit of the first outdoor unit 3, and a sensor from each sensor. A circuit for transmitting the input to the microcomputer is provided. As described above, the control components related to the basic functions of the first indoor unit 2 are mounted on the basic control board 81, and circuits corresponding to the respective functions are formed.

  The electrical component box main body 82 has a box shape that accommodates the basic control board 81. The electrical component box main body 82 is molded from a resin material and has a first fixing portion 83 and a second fixing portion 84. The first fixing portion 83 has a structure for attaching the electrical component unit 8 to the first indoor unit 2 and is fixed to a fixed portion (not shown) provided on the first indoor unit casing 20 side. . The second fixing portion 84 has a structure for attaching the additional electrical component box 11, 91 (described later) to the electrical component box body 82, and the fixed portion 13, provided on the additional electrical component box 11, 91 side, 93 (described later). The electrical component box main body 82 can be attached not only to the first indoor unit 2 but also to the second indoor unit 5. That is, the first fixing portion 83 of the electrical component box body 82 is also fixed to a fixed portion (not shown) provided on the second indoor unit casing 50 side of the second indoor unit 5. Therefore, the electrical component box main body 82 can be commonly attached to the plurality of indoor units 2 and 5 having different forms, and is common to the indoor units 2 and 5. The fixed portion of the first indoor unit casing 20 and the fixed portion of the second indoor unit casing 50 have the same fixing structure in which the first fixing portion 83 of the electrical component box body 82 is fixed, respectively. Yes.

  Since the basic control board 81 related to the basic functions is housed in the electrical component box body 82, the electrical component unit 8 is used in both the wall-mounted first indoor unit 2 and the ceiling-embedded second indoor unit 5. , Common basic functions can be controlled.

  In general, in a plurality of air conditioners having different forms, either one may have additional functions (second function, third function) that are not present in the other. Here, the second indoor unit 5 has a first additional function (second function) that the first indoor unit 2 does not have. In such a case, in the electrical component unit 9 disposed in the second indoor unit 5 having the first additional function, the first additional electrical component box 91 is attached to the electrical component box body 82 as shown in FIG. It is done. The first additional electrical component box 91 has a fixed portion 93 that is fixed to the second fixing portion 84 of the electrical component box main body 82. A first additional control board 92 is accommodated in the first additional electrical component box 91. A control component for adding the first additional function to the basic function is mounted on the first additional control board 91, and is connected to the basic control board 81 by a harness or the like.

  When the electrical component box main body 82 is provided in an indoor unit having a second additional function (third function) further different from the basic function and the first additional function, as shown in FIG. 6, the electrical component box main body The electrical component unit 10 in which the second additional electrical component box 11 different from the first additional electrical component box 91 is attached to 82 is used. The second additional electrical component box 11 has a fixed portion 13 having the same structure as the fixed portion 93 of the first additional electrical component box 91, and the second fixed portion of the electrical component box main body 82. 84 is fixed. That is, the electrical component box main body 82 has a fixing structure common to the plurality of types of additional electrical component boxes 11 and 91, and can fix the plurality of types of additional electrical component boxes 11 and 91, respectively. The second additional electrical component box 11 accommodates a second additional control board 12 on which a control component related to the second additional function is mounted. The second additional control board 11 is connected to the basic control board 81 by a harness or the like.

  The first additional function and the second additional function are functions different from the basic function, and there are various types. For example, there are a negative ion generation function, a humidity control function by a humidification unit, and a drain water discharge function. Here, in the case of adding a negative ion generation function, a negative ion generation circuit is required in addition to the electrodes. In the case of adding a humidity control function, a microcomputer for performing humidification control is required in addition to the humidification unit provided outside the room. In addition, the drain water draining function requires a microcomputer for controlling the drain pump in addition to the drain pump for pumping the drain water. As described above, in the indoor unit in which various additional functions are provided in addition to the basic function, the additional electrical component boxes 11 and 91 that accommodate the additional function board different from the basic control board 81 for the basic function include: It is added to the electrical component box main body 82.

<Features>
In the electrical equipment unit 8-10 of the air conditioner, as described above, the electrical equipment box main body 82 is shared by the plurality of indoor units 2 and 5 having different forms. For this reason, the development of the electrical component box body 82 can be omitted in the development stage of the indoor units 2 and 5 having different forms.

  Moreover, since the additional electrical component boxes 11 and 91 can be added and fixed to the electrical component box main body 82, an air conditioner further having a function different from the basic function can be handled.

  Furthermore, since a plurality of types of additional electrical component boxes 11 and 91 can be used in common in the electrical component box body 82, only the functions necessary for the indoor units 2 and 5 having different forms are added. Can be extended.

  As described above, in the electrical component unit 8-10 of this air conditioner, the development of the electrical component box body 82 related to the basic function can be omitted, and the functions necessary for each of the air conditioners having different configurations can be electrically It can be added individually to the product unit 8-9. Thereby, the development period and development man-hours of the indoor units 2 and 5 can be reduced. In addition, it is not necessary to create a mold necessary for manufacturing the electrical component box main body 82 for each development of the indoor units 2 and 5, so that the cost of mold creation can be reduced.

<Other embodiments>
(1)
In addition to the wall-mounted indoor unit and the ceiling-embedded indoor unit, the electrical component box main body 82 is commonly used as a floor-mounted indoor unit placed on the indoor floor surface, or a wall-embedded indoor unit embedded in the indoor wall surface. It is also applicable to the machine.

(2)
If the air conditioners of the same type have different forms, the effect of sharing the electrical component box body 82 is effective. For example, even in the same wall-mounted indoor unit, the form may be different or it may have different functions, and the application of the present invention is effective.

(3)
In the above embodiment, the present invention is applied to the indoor units 2 and 5 having different forms. However, the present invention may be applied to outdoor units having different forms.

(4)
In the above embodiment, the first additional control board 92 and the second additional control board 12 are respectively accommodated in the first additional electrical component box 91 and the second additional electrical component box 11. Then, the first additional electrical component box 91 and the second additional electrical component box 11 are fixed to the electrical component box body 82, whereby the first additional control board 92 and the second additional control board 12 are attached to the electrical component box body 82. Have been added. However, the first additional control board 92 and the second additional control board 12 may be added by being directly fixed to the electrical component box body 82. That is, the first additional control board 92 and the second additional control board 12 may be provided with the same structure as the fixed parts 13 and 93 fixed to the second fixing part 84.

  Further, since the fixing structure for fixing the first additional control board 92 and the second additional control board 12 is made common, the first additional control board 92 or the second additional control board is added to the common electrical component box body 82. 12 can be fixed. Thereby, a necessary function can be easily added to each of the indoor units 2 and 5 having different forms.

(5)
In the above embodiment, the first additional electrical component box 91 and the second additional electrical component box 11 are fixed to the outside of the electrical component box body 82, but the electrical component box body 82 has a removable lid. Alternatively, the first additional electrical component box 91 and the second additional electrical component box 11 may be fixed in place of the lid by removing the lid. Further, the first additional control board 92 and the second additional control board 12 may be directly fixed instead of the lid body by removing the lid body. Furthermore, the fixing structure for fixing the lid is a fixing structure for fixing the first additional electrical component box 91 and the second additional electrical component box, or the first additional control board 92 and the second additional control board 12. And may be shared.

  For example, if there is an indoor unit that requires a lid and an unnecessary indoor unit due to differences in the form of the indoor units 2 and 5, an indoor unit that does not require a lid is added instead of the lid as described above. By attaching the electrical component boxes 11 and 91 and the additional control boards 12 and 92, the accommodation space of the indoor unit can be used effectively.

  INDUSTRIAL APPLICABILITY The present invention has an effect of reducing the period and cost required for developing an electrical component unit, and is useful as an electrical component unit for an air conditioner.

External view of a wall-mounted air conditioner. External view of a ceiling-embedded air conditioner. The schematic diagram which shows the basic structure of a refrigerant circuit. External view of an electrical component unit. The external view of the electrical component unit which has a 1st additional electrical component box. The external view of the electrical component unit which has a 2nd additional electrical component box.

Explanation of symbols

1 1st air conditioner 2 1st indoor unit (indoor unit)
4 Second air conditioner 5 Second indoor unit (indoor unit)
8-10 Electrical component unit 11 Second additional electrical component box (third electrical component box)
12 Second additional control board (third board)
81 Basic control board No. 1 (first board)
82 Electrical component box body (first electrical component box)
84 Second fixing part (fixing part)
91 First additional electrical component box (second electrical component box)
92 First additional control board (second board)

Claims (7)

A first substrate (81);
A first electrical component box (82) that accommodates the first substrate (81) and can be commonly attached to a plurality of air conditioners (1, 4) having different forms;
An air conditioner electrical component unit (8-10) comprising: The electrical component unit (8-10) is a unit disposed in the indoor unit (2, 5) of the air conditioner (1, 4).
The electrical component unit (8-10) of the air conditioner according to claim 1. On the first substrate (81), a control component related to the first function common to the plurality of air conditioners (1, 4) having different forms is mounted,
In the first electrical component box (82), a second substrate (92) for adding a second function different from the first function can be added.
The electrical component unit (8-10) of the air conditioner according to claim 1 or 2. The first electrical component box (82) can be attached with a second electrical component box (91) that houses the second control board (92).
The electrical equipment unit (8-10) of the air conditioner according to claim 3. In the first electrical component box (82), a third substrate (12) for adding a third function different from the first function and the second function can be added.
The electrical component unit (8-10) of the air conditioner according to claim 3 or 4. The first electrical component box (82) is fixed such that the second electrical component box (91) can be fixed and the third electrical component box (11) for housing the third substrate (12) can also be fixed. Part (84),
The electrical equipment unit (8-10) of the air conditioner according to claim 5 A first air conditioner (1);
A second air conditioner (4) having a different form from the first air conditioner (1);
An electrical component unit (8-10) having a first electrical component box (82) that can be commonly attached to each of the first air conditioner (1) and the second air conditioner (4);
A group of air conditioners.

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