JP2018021708A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner that can reduce cost for production control and improve convenience in installation.SOLUTION: An air conditioner includes: an indoor unit provided with a first connector 10 at each end thereof in a longitudinal direction; and a power cord 6 having a second connector 6b engaged and connected to the first connector 10, and supplying electrical power to the indoor unit.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an air conditioner including an indoor unit attached indoors.

  A conventional air conditioner is disclosed in Patent Document 1. In this separate type air conditioner, a power cord is connected to an electrical component disposed at one side end of an indoor unit attached to the wall surface of the room. An opening through which the power cord is inserted is opened on the side wall of the housing adjacent to the electrical component, and the plug of the power cord is inserted into a power outlet provided close to the opening. Thereby, electric power is supplied to the air conditioner.

JP 2001-147025 A

  However, according to the conventional air conditioner, a power outlet may be arranged on the side opposite to the opening with respect to the indoor unit depending on the installation location of the indoor unit. At this time, there is a possibility that the length of the power cord extending from the opening may be insufficient, and there is a problem that the convenience when installing the air conditioner is poor.

  Moreover, if the specifications of the rated voltage and rated current of the air conditioner are different, the specifications of the power cord are different accordingly. For this reason, since it is necessary to connect the power cords with different specifications to the electrical unit inside the air conditioner, it is necessary to manufacture a plurality of indoor units having the same structure other than the power cord depending on the model. Thereby, since the kind of electrical unit of an air conditioner increases, there also existed a problem that the cost of production management became large.

  An object of this invention is to provide the air conditioner which can reduce the cost of production management and can improve the convenience at the time of air conditioner installation.

  In order to achieve the above object, the present invention includes an indoor unit having first connectors at both ends in the longitudinal direction and a second connector engaged with and connected to the first connector. And a power cord for supplying electric power.

  In the air conditioner configured as described above, the casing of the indoor unit may have an opening through which the power cord is inserted, and a lid that covers the opening by screwing to the outer wall of the casing. It is characterized by having.

  In the air conditioner configured as described above, the lid portion may include a clamp portion that sandwiches the power cord between the lid portion and the outer wall.

  In the air conditioner having the above-described configuration, the present invention is characterized in that a fixing member is provided for fixing the first connector by a claw portion provided in the housing and provided in the first connector.

  According to the present invention, shortage of the length of the power cord due to the position of the power outlet can be prevented, and power cords having different specifications can be easily connected. Therefore, the cost of the air conditioner can be reduced and the convenience when installing the indoor unit can be improved.

The perspective view which shows the air conditioner of 1st Embodiment of this invention. Front sectional drawing which shows the indoor unit of the air conditioner of 1st Embodiment of this invention. Front sectional drawing which shows the detail of the left end part of the air conditioner indoor unit of 1st Embodiment of this invention Front sectional drawing which shows the detail of the left end part of the air conditioner indoor unit of 2nd Embodiment of this invention AA sectional view of FIG. The perspective view which shows the indoor unit of the air conditioner of 3rd Embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a separate type air conditioner of the first embodiment. The air conditioner 100 includes an indoor unit 1 and an outdoor unit 99. The indoor unit 1 is installed on a wall surface W in the room, and is connected to an outdoor unit 99 installed outdoors by an external wiring 98. The indoor unit 1 is instructed to start or stop operation by operating a remote controller (not shown).

  The indoor unit 1 is formed such that its longitudinal direction is in the left-right direction, and the outer surface is covered by a housing 2 having a detachable front panel 3 arranged on the front surface. A power cord 6 is led out from the side surface of the housing 2. The power cord 6 is connected to a power outlet C provided with a plug 6c (see FIG. 2) on the wall surface W, and supplies power to the indoor unit 1.

  A suction port 4 extends in the left-right direction on the upper surface of the housing 2 and opens, and a blow-out port 5 extends in the left-right direction and opens in a lower portion of the front surface of the housing 2. An air passage (not shown) that connects the inlet 4 and the outlet 5 is provided inside the housing 2. A blower (not shown) for sending air is disposed in the air passage. Indoor air flows into the air passage from the suction port 4 by driving the blower and is sent out from the blowout port 5. A cross flow fan is preferably used as the fan included in the blower, but another type of blower, for example, a blower including a propeller fan may be used.

  A heat exchanger is disposed between the suction port 4 in the air passage and the blower (not shown). The heat exchanger is incorporated in the refrigeration cycle, is connected to a compressor (not shown) disposed in the outdoor unit 99, and performs heat exchange with air flowing through the air passage. Thereby, at the time of air_conditioning | cooling operation and heating operation of the air conditioner 100, cold air and warm air are sent out indoors from the blower outlet 5, respectively.

  FIG. 2 is a front cross-sectional view of the main part of the indoor unit 1. Openings 2 a are opened in the left and right side walls 2 c in the longitudinal direction of the housing 2. Each opening 2 a is covered with a lid 15. An electrical box 7 is disposed on one side (in the drawing, on the right side) of the inside of the housing 2. The electrical box 7 is provided with a control board (not shown) for controlling the driving of the air conditioner 100. An AC circuit 7a is mounted on the control board, and the AC circuit 7a has a terminal block 7b to which electric power is supplied through the power cord 6.

  A connector 10 (first connector) facing the right opening 2a in the drawing is connected to the terminal block 7b via wiring (not shown). Further, a connector 10 (first connector) facing the left opening 2a is connected to the terminal block 7b via a wiring 20 extending in the left-right direction. The left and right connectors 10 are formed in the same shape.

  The power cord 6 is provided with a plug 6c at one end of the cord portion 6a and a connector 6b (second connector) connected to the connector 10 at the other end. Therefore, the connector 10 is provided at both ends of the casing 2 in the longitudinal direction.

  FIG. 3 is a front sectional view showing details of the left end portion of the indoor unit 1. A fixing member 9 is erected inside the indoor unit 1 so as to face the opening 2a. The connector 10 includes a pedestal portion 11 from which the wiring 20 is led out and an insertion portion 12 into which the connector 6b is inserted. A plurality of claw portions 12 a that can be elastically deformed are provided on the peripheral surface of the insertion portion 12. When the insertion part 12 is inserted into the hole 9a provided in the fixing member 9, the fixing member 9 is sandwiched between the base part 11 and the claw part 12a. Thereby, the connector 10 is fixed to the fixing member 9. The connector 10 may be screwed to the fixing member 9.

  On the peripheral surface of the connector 6 b of the power cord 6, an elastically deformable locking claw 6 d is provided. The power cord 6 is connected to the connector 10 by inserting the distal end portion of the connector 6 b inserted through the opening 2 a into the insertion portion 12. At this time, the locking claw 6d is engaged with the peripheral surface of the insertion portion 12, and the connector 6b is prevented from coming off.

  The lid 15 covering the opening 2a has a locking portion 15c protruding from the upper end of the protruding portion 15b having a U-shaped longitudinal section, and a contact portion 15e protruding from the lower end. The locking portion 15 c is locked to the inner surface of the side wall 2 c of the housing 2. The abutting portion 15 e abuts on the outer surface (outer wall) of the side wall 2 c and is screwed with a screw 25. Moreover, the hole 15a which opened the housing | casing 2 side is provided in the lower wall of the protrusion part 15b.

  The lid 15 on the right side of the indoor unit 1 and the connector 10 also have the same structure.

  In the air conditioner 100 having the above configuration, the left and right lid portions 15 are removed, and the connector 6b of the power cord 6 is connected to the connector 10 through the opening 2a. Next, the locking portion 15c of the lid portion 15 is locked to the inner surface of the side wall 2c of the housing 2, and the cord portion 6a of the power cord 6 is inserted into the hole portion 15a so as to contact the outer surface (outer wall) of the side wall 2c. The contact portion 15e is brought into contact. Then, the lid portion 15 is mounted by screwing the abutment portion 15e with a screw 25.

  Thereby, the power cord 6 can be detachably connected to a desired end in the longitudinal direction (left-right direction) of the indoor unit 1. Therefore, the shortage of the length of the power cord 6 due to the position of the power outlet C can be prevented.

  At this time, since the connector 6b is engaged with the connector 10 by the locking claw 6d, it is possible to prevent the connection between the connectors 6b and 10 when the power cord 6 is pulled. Moreover, since the connector 10 is fixed to the fixing member 9 by the claw portion 12a, it is possible to prevent the connection between the terminal block 7b and the wiring 20 when the power cord 6 is pulled.

  If the connector 10 is fixed to the housing 2, the wiring 20 may be pulled when the housing 2 is mounted, and the connection between the terminal block 7 b and the wiring 20 may be released. For this reason, by providing the fixing member 9 inside the indoor unit 1, the housing 2 can be mounted after the connector 10 is fixed to the fixing member 9 when the indoor unit 1 is manufactured. Therefore, it is possible to prevent the connection between the terminal block 7b and the wiring 20 more reliably.

  According to this embodiment, the connector 10 (first connector) is provided at both ends in the longitudinal direction (left-right direction) of the indoor unit 1, and the connector 6 b (second connector) that is engaged and connected to the connector 10 is connected to the power cord. 6 provided.

  Thereby, the power cord 6 can be detachably connected to a desired end of the indoor unit 1. For this reason, regardless of whether the power outlet C is disposed on the left or right side of the indoor unit 1, it is possible to prevent a shortage of the length of the power cord 6 and to improve convenience when installing the indoor unit 1. Further, the power cords 6 having different specifications can be easily connected to the indoor unit 1, and the production management cost of the air conditioner 100 can be reduced.

  Moreover, the cover part 15 which screwed to the side wall 2c (outer wall) of the indoor unit 1 and covered the opening part 2a was provided. Thereby, while approaching the dust into the housing | casing 2, it can prevent the beauty | look fall of the indoor unit 1 can be prevented.

  In addition, the connector 10 is fixed to the fixing member 9 installed inside the indoor unit 1 by facing the opening 2a by the claw portion 12a. Thereby, the connection cancellation | release between the terminal block 7b and the wiring 20 at the time of the power cord 6 being pulled can be prevented. In addition, the housing 2 can be mounted after the connector 10 is fixed to the fixing member 9 when the indoor unit 1 is manufactured, so that the connection between the terminal block 7b and the wiring 20 can be more reliably prevented.

Second Embodiment
Next, FIG. 4 is a front sectional view showing details of a left end portion of the indoor unit 1 of the second embodiment. FIG. 5 is a cross-sectional view taken along the line AA in FIG. For convenience of explanation, the same parts as those in FIGS. 1 to 3 are given the same reference numerals. This embodiment is different from the first embodiment in that a clamp portion 30 is provided on the lid portion 15. Other parts are the same as those in the first embodiment.

  A hole 15 a provided in the lower wall of the protrusion 15 b of the lid 15 opens the housing 2, and the depth D of the hole 15 a is formed slightly smaller than the diameter of the cord 6 a of the power cord 6.

  Therefore, when the lid portion 15 is screwed with the screw 25, the cord portion 6a is clamped between the inner wall of the hole portion 15a extending vertically and the side wall 2c (outer wall) of the housing 2. That is, the hole 15 a forms a clamp portion 30 that sandwiches the power cord 6 between the side wall 2 c (outer wall) of the housing 2.

  According to this embodiment, the same effects as those of the first embodiment can be obtained. Moreover, since the clamp part 30 was provided in the cover part 15, the connection cancellation | release between the connectors 6b and 10 at the time of the power cord 6 being pulled can be prevented more reliably.

<Third Embodiment>
Next, FIG. 6 has shown the perspective view of the air conditioner 100 of 3rd Embodiment. For convenience of explanation, the same reference numerals are given to the same parts as those in the first embodiment shown in FIGS. In the present embodiment, the air conditioner 100 is configured in a window shape that is attached to a window. Other parts are the same as those in the first embodiment.

  The air conditioner 100 is configured as an integrated type in which an outdoor unit 99 (see FIG. 1) is integrated with the back surface of the indoor unit 1, and is attached to a window provided on the wall surface W of the room. The indoor unit 1 is formed such that its longitudinal direction is the vertical direction, and the outer surface is covered by the housing 2. A suction port 4 and an air outlet 5 are opened on the front surface of the housing 2.

  An opening 2a covered by the lid 15 is opened in the upper wall 2e and the lower wall 2f of the housing 2. Similarly to the first embodiment, as shown in FIG. 3 described above, the connector 10 is fixed to the fixing member 9 facing the opening 2a. A connector 6 b provided at one end of the power cord 6 is engaged with and connected to the connector 10.

  According to the present embodiment, as in the first embodiment, the power cord 6 can be prevented from being insufficient in length regardless of whether the power outlet C (see FIG. 1) is disposed above or below the indoor unit 1.

  Although the embodiments of the present invention have been described above, the scope of the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the invention. Further, some or all of the embodiments of the present invention may be used in combination.

  For example, in Embodiments 1 and 2, the openings 2a are opened on the left and right side walls of both ends in the longitudinal direction of the housing 2, but the openings may be opened on the lower walls of both ends. In the third embodiment, the openings 2a are opened on the upper and lower walls at both ends in the longitudinal direction of the housing 2. However, the openings may be opened at the side walls at both ends.

  ADVANTAGE OF THE INVENTION According to this invention, it can utilize for the air conditioner provided with the indoor unit attached indoors.

DESCRIPTION OF SYMBOLS 1 Indoor unit 2 Housing | casing 2a Opening part 2c Side wall 2e Upper wall 2f Lower wall 3 Front panel 4 Suction inlet 5 Outlet 6 Power supply cord 6a Cord part 6b Connector (2nd connector)
6c Plug 6d Locking claw 7 Electrical box 7a AC circuit 7b Terminal block 9 Fixing member 9a Hole 10 Connector (first connector)
DESCRIPTION OF SYMBOLS 11 Base part 12 Insertion part 12a Claw part 15 Cover part 15a Hole part 15b Projection part 15c Locking part 20 Wiring 25 Screw 30 Clamp part 99 Outdoor unit 100 Air conditioner C Power outlet W Wall surface

Claims (4)

  An indoor unit having first connectors at both ends in the longitudinal direction, and a power cord that has a second connector engaged with and connected to the first connector and supplies power to the indoor unit. An air conditioner characterized by that.   The housing of the indoor unit includes an opening through which the power cord is inserted, and a lid that covers the opening by screwing to an outer wall of the housing. Air conditioner.   The air conditioner according to claim 2, wherein the lid portion includes a clamp portion that sandwiches the power cord between the lid portion and the outer wall.   The fixing device installed in the interior of the indoor unit facing the opening is provided, and the first connector is fixed to the fixing member by a claw provided on the first connector. The air conditioner according to 2 or 3.

Images