Air conditioner and method of installing the air conditioner

• US 20040011072A1
• Filed: 10/30/2002
• Published: 01/22/2004
• Est. Priority Date: 03/23/2001
• Status: Abandoned Application

• Current Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Original Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Inventors: Inoue, Seiji, Fukushima, Akio, Ishikawa, Norikazu
• Application Number:
  US10/258,575
• Publication Number:
  US 20040011072A1
• Time in Patent Office: Days
• US Class Current: 62/408
• CPC Class Codes: F24F 1/022 comprising a compressor cycle
• CPC Class Codes: F24F 11/30 for purposes related to the operation of the system, e.g. for safety or monitoring
• CPC Class Codes: F24F 2110/10 Temperature

Abstract

An apparatus achieving an efficient air-conditioning without disturbing convection in a room having a heating device inside. The apparatus includes a housing 21 having a room side ventilation flue 23 which is formed long stretching from one end side toward the other end side, a first vent hole 24 and a second vent hole 25 which are provided in the one end side and the other end side, respectively, of the housing 21 in such a manner as to have an opening facing the room when used and to be connected to the room side ventilation flue 23, the indoor heat exchanger 26 and the room side air blower 27 which are provided in the room side ventilation flue 23, the outdoor heat exchanger 28 which is provided on the outside of the room side ventilation flue 23 in the housing 21 in such a manner as to let outdoor air ventilate and arranged in a different position from the indoor heat exchanger 26 in a direction connecting the first vent hole 24 and the second vent hole 25, and the outdoor side air blower 29 for letting the outdoor air ventilate for this outdoor heat exchanger.

Claims

1. An air-conditioning apparatus using a refrigerating cycle comprising:

a housing having a room side ventilation flue which is formed long stretching from one end side toward another end side;

a first vent hole which is provided in the one end side of the housing in such a manner as to have an opening facing to a room when the air-conditioning apparatus is operated and to be connected to the room side ventilation flue;

a second vent hole which is provided in the another end side of the housing in such a manner as to have an opening facing to the room when the air-conditioning apparatus is operated and to be connected to the room side ventilation flue;

an indoor heat exchanger which is provided in the room side ventilation flue;

a room side air blower, which is provided in the room side ventilation flue, for letting in air through either one of the first and second vent holes, and for sending out the air from the other one of the first and second vent holes;

an outdoor heat exchanger which is provided on an outside of the room side ventilation flue in the housing in such a manner as to let outdoor air ventilate and arranged in a different position from the indoor heat exchanger in a direction connecting the first vent hole and the second vent hole; and

an outdoor side air blower for letting the outdoor air ventilate for the outdoor heat exchanger.

2. The air-conditioning apparatus of claim 1, wherein the housing and the room side ventilation flue are formed vertically long so as to suck air through an upper vent hole and send out refrigerated air through a lower vent hole when cooling.

3. The air-conditioning apparatus of claim 1, further comprising a separation part for separating an inside of the one end side of the housing into a room side and an outdoor side;

wherein the room side ventilation flue and one of the vent holes connected to the room side ventilation flue are arranged on the room side beyond the separation part, and the outdoor heat exchanger is arranged on the outdoor side beyond the separation part.

4. The air-conditioning apparatus of claim 3, comprising:

a first communicating section, which is provided on the separation part, for allowing air to flow through the room side ventilation flue to outside;

a first damper, which is provided in the first communicating section, for blocking the first communicating section and unblocking the room side ventilation flue in a first condition, and for blocking the room side ventilation flue and unblocking the first communicating section in a second condition so that room air sucked in through one of the vent holes is discharged outside through the first communicating section by the outdoor side air blower;

a second communicating section, which is provided in the room side ventilation flue between the first communicating section and the room side air blower, for allowing air to flow through the room side ventilation flue to outside; and

a second damper, which is provided in such a manner as to allow the second communicating section to be blocked and unblocked, for blocking the second communicating section in the first condition, and unblocking the second communicating section in the second condition so that outdoor air sucked in through the second communicating section by the room side air blower is to be blown off into the room through the other one of the vent holes.

5. The air-conditioning apparatus of claim 4, comprising:

a temperature sensor for outputting a signal depending upon a room temperature;

a temperature setting means for setting a first temperature level and a second temperature level which is lower than the first temperature level; and

a control circuit for controlling in such a manner as to open the first damper and the second damper when the signal outputted by the temperature sensor indicates that the room temperature is higher than the first temperature level set by the temperature setting means, and close the first damper and the second damper when the signal indicates that the room temperature is lower than the second temperature level.

6. The air-conditioning apparatus of claim 1, wherein the housing is placed on the outdoor side of a room surface when installed.

7. The air-conditioning apparatus of claim 1, wherein the indoor heat exchanger is arranged in an upper part and the outdoor heat exchanger is arranged in a lower part in such a manner as to let drain water from the indoor heat exchanger being used as an evaporator drop over the outdoor heat exchanger.

8. The air-conditioning apparatus of claim 1, comprising:

a bypass pipeline for connecting a refrigerant pipeline on a discharge side of a compressor and a refrigerant pipeline on an intake side of the compressor; and

a non-return valve, which is provided in the bypass pipeline, for blocking the flow of a refrigerant from the discharge side of the compressor into the intake side of the compressor.

9. A method for installing an air-conditioning apparatus comprising:

having an air-conditioning apparatus using a refrigerating cycle including a housing having a room side ventilation flue which is formed long stretching from one end side toward another end side, a first vent hole which is provided in the one end side of the housing in such a manner as to have an opening facing to a room when the air-conditioning apparatus is operated and to be connected to the room side ventilation flue, a second vent hole which is provided in the another end side of the housing in such a manner as to have an opening facing to the room when the air-conditioning apparatus is operated and to be connected to the room side ventilation flue, an indoor heat exchanger which is provided in the room side ventilation flue, a room side air blower which is provided in the room side ventilation flue for letting in air through either one of the first and second vent holes, and for sending out the air from the other one of the first and second vent holes, an outdoor heat exchanger which is provided on an outside of the room side ventilation flue in the housing in such a manner as to let outdoor air ventilate and arranged in a different position from the indoor heat exchanger in a direction connecting the first vent hole and the second vent hole, and an outdoor side air blower for letting the outdoor air ventilate for the outdoor heat exchanger; and

installing the air-conditioning apparatus in such a manner as to have a suction opening for room air and a blow-off opening for refrigerated air facing a room toward a direction that boosts convection which is created by a heating device placed in the room.

10. The method of claim 9, comprising:

providing the suction opening for the room air in an upper part of the room; and

providing the blow-off opening for the refrigerated air in the lower part of the room.