Indoor unit for air conditioner

Patent metadata

Field	Value
Publication number	US-10036561-B2
Application number	US-201515323405-A
Country	US
Kind code	B2
Filing date	Mar 31, 2015
Priority date	Mar 31, 2015
Publication date	Jul 31, 2018
Grant date	Jul 31, 2018

Abstract

An indoor unit of an air conditioner includes a housing, a fan and a heat exchanger. The housing includes an upper base plate provided with an air inlet, a lower base plate detachably mounted to the upper base plate, and a front cover detachably mounted to the upper base plate; the fan is detachably mounted to the lower base plate; and the heat exchanger is detachably mounted to the upper base plate, in which the heat exchanger includes a supporting seat and a heat exchanger core body mounted to the supporting seat. The upper base plate is provided with a first positioning portion; the supporting seat is provided with a second positioning portion; and the first positioning portion cooperates with the second positioning portion to position the heat exchanger core body on the upper base plate.

First claim

What is claimed is:

1. An indoor unit for an air conditioner, comprising:
a housing comprising an upper base plate provided with an air inlet, a lower base plate detachably mounted to the upper base plate and provided with an air outlet, and a front cover detachably mounted to the upper base plate;
a fan detachably mounted to the lower base plate; and
a heat exchanger detachably mounted to the upper base plate and having a supporting seat and a heat exchanger core body mounted to the supporting seat,
wherein the upper base plate is provided with a first positioning portion, the supporting seat is provided with a second positioning portion, and the first positioning portion is configured to be fitted with the second positioning portion to position the heat exchanger core body to the upper base plate,
wherein a plurality of bent pipe structures are provided at an end of the heat exchanger core body, one end of the heat exchanger core body is mounted to the supporting seat, the supporting seat is provided with a plurality of mounting holes corresponding to the plurality of bent pipe structures, at least one of the plurality of mounting holes is a positioning mounting hole, an elastic cantilever is provided in the positioning mounting hole, and is configured to avoid the bent pipe structure when mounting the heat exchanger core body and configured to be restored to position a corresponding bent pipe structure after the heat exchanger core body is mounted in place.

2. The indoor unit according to claim 1 , wherein the first positioning portion is configured as a hanging groove, and the second positioning portion is configured as a hanging element.

3. The indoor unit according to claim 2 , wherein the hanging element protrudes beyond an outer edge of the supporting seat and obliquely extends upwards along a direction from front to rear, the hanging element has a supporting plane at a bottom thereof, and the supporting plane is supported on a bottom wall of the hanging groove.

4. The indoor unit according to claim 3 , wherein an upper portion of the hanging element has an inclined surface, a top portion of the hanging groove is provided with a fitting surface, and the inclined surface and the fitting surface abut against each other to position the hanging element in the hanging groove.

5. The indoor unit according to claim 1 , wherein part of a side wall of the positioning mounting hole is configured as the elastic cantilever, and a free end of the elastic cantilever is provided with a protrusion protruding towards a center of the positioning mounting hole.

6. The indoor unit according to claim 5 , wherein a gap is formed between the free end of the elastic cantilever and rest of the side wall of the positioning mounting hole.

7. The indoor unit according to claim 1 , wherein the upper base plate comprises:
a rear baffle, to which the heat exchanger is mounted;
an upper cover plate having a rear edge connected with an upper edge of the rear baffle and provided with the air inlet;
a left end plate having a rear edge connected with a left edge of the rear baffle and an upper edge connected with a left edge of the upper cover plate; and
a right end plate having a rear edge connected with a right edge of the rear baffle and an upper edge connected with a right edge of the upper cover plate,
wherein the lower base plate is detachably mounted at a right side of the left end plate and at a left side of the right end plate, the left end plate is located at a left side of the lower base plate and the right end plate is located at a right side thereof.

8. The indoor unit according to claim 7 , wherein the upper base plate further comprises:
a left shield plate mounted to a left side of the left end plate; and
a right shield plate mounted to a right side of the right end plate,
wherein the front cover is detachably mounted over the left shield plate and the right shield plate.

9. The indoor unit according to claim 7 , wherein an air inlet grille is provided at the air inlet of the upper cover plate.

10. An indoor unit for an air conditioner, comprising:
a housing comprising an upper base plate provided with an air inlet, a lower base plate detachably mounted to the upper base plate and provided with an air outlet, and a front cover detachably mounted to the upper base plate;
a fan detachably mounted to the lower base plate; and
a heat exchanger detachably mounted to the upper base plate and having a supporting seat and a heat exchanger core body mounted to the supporting seat,
wherein the upper base plate is provided with a first positioning portion, the supporting seat is provided with a second positioning portion, and the first positioning portion is configured to be fitted with the second positioning portion to position the heat exchanger core body to the upper base plate,
wherein the front cover defines a covering chamber, the upper base plate and the lower base plate are disposed in the covering chamber and covered by the front cover, and an air supply port corresponding to the air outlet is provided in the front cover.

11. The indoor unit according to claim 10 , wherein the front cover comprises:
a front panel covering front surfaces of the upper base plate and the lower base plate;
a lower panel having a front edge connected with a lower edge of the front panel, and covering a lower surface of the lower base plate, wherein the air supply port is provided at a position where the front panel and the lower panel are connected;
a left panel having a front edge connected with a left edge of the front panel and a lower edge connected with a left edge of the lower panel, and rotatably mounted to a left side of the upper base plate and covering the left side thereof; and
a right panel having a front edge connected with a right edge of the front panel and a lower edge connected with a right edge of the lower panel, and rotatably mounted at a right side of the upper base plate and covering the right side thereof.

12. The indoor unit according to claim 10 , wherein the fan comprises:
a fan wheel detachably mounted to the lower base plate; and
a motor detachably mounted to the lower base plate and connected with the fan wheel in a transmission way.

13. The indoor unit according to claim 12 , wherein a motor mounting groove is provided in the lower base plate, the upper base plate is provided with a water receiving cover, the motor is mounted in the motor mounting groove, the water receiving cover is located below the heat exchanger and presses the motor in the motor mounting groove.

14. The indoor unit according to claim 10 , wherein the lower base plate and the upper base plate define a piping-running through hole; and
the indoor unit further comprises a pipe-running cover plate detachably mounted to the upper base plate and the lower base plate and covering the piping-running through hole.

15. The indoor unit according to claim 14 , wherein the pipe-running cover plate comprises:
a vertical plate detachably mounted to the upper base plate; and
a horizontal plate connected with the vertical plate and detachably mounted to the lower base plate.

16. The indoor unit according to claim 15 , wherein a side snap hook is provided at an upper edge of the vertical plate and extends outwards, a side snap groove is provided in a side wall of the upper base plate, and the side snap hook is snap-fitted in the side snap groove.

17. The indoor unit according to claim 15 , wherein a rear snap hook is provided at the upper edge of the vertical plate and extends rearwards, a rear snap

Assignees

• Gd Midea Air Conditioning Equipment Co Ltd
• Midea Group Co Ltd

Inventors

• Liu Xing
• Bai Xiaofeng
• Zhang Xinzhou
• Li Dacheng

Classifications

• F24F1/00 Primary

  Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station · CPC title

• F24F13/30

  Arrangement or mounting of heat-exchangers · CPC title

• F24F13/20 Primary

  Casings or covers · CPC title

• F24F1/0025

  Cross-flow or tangential fans · CPC title

• F24F1/0057

  mounted in or on a wall · CPC title