JP3900129B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner, and particularly relates to a condensate treatment of an indoor unit of an air conditioner.

  Condensed water treatment in the indoor unit 1 of a conventional air conditioner will be described with reference to FIGS.

  FIG. 8 is a cross-sectional view of the indoor unit 1 of the conventional air conditioner, and reference numeral 1b denotes a frame that constitutes a part of the wind circuit and a part of the outer shell of the indoor unit 1. The frame 1b is provided with an indoor side heat exchanger 2, an indoor fan 3, and a blowout portion 4b of an indoor wind circuit, and a blowout grill 4 having a water tray 4a for treating condensed water.

  Further, the frame 1b is provided with a front frame 5 having a suction part 5a and a blowing part 5b of the indoor air blow circuit and constituting a part of the outer shell, thereby constituting an outer shell of the indoor unit 1 main body.

  Reference numeral 6 denotes a connecting pipe (not shown) from an outdoor unit (not shown) and an auxiliary pipe for connecting the indoor unit 1 to the indoor heat exchanger 2, and 6a denotes the base unit. It is the coating | coated part covered with the coating | cover consisting of the heat insulating material of the auxiliary piping 6 located in the back side storage part of the frame 1b. Between the indoor heat exchanger 2 and the auxiliary pipe 6, a pipe part 7 in which condensed water may drop is connected, and is disposed above the covering part 6 a of the auxiliary pipe 6. . A water receiver 8 that receives condensed water dripping from the pipe 7 is attached to the end face of the covering 6 a of the auxiliary pipe 6.

FIG. 9 is a perspective view showing the details of the water receiving portion 8. The water receiving portion 8 receives the condensed water dripped from the piping portion 7, and the condensed water is applied to the end face side of the covering portion 6 a of the auxiliary piping 6. It was guided to prevent the condensed water from flowing around the back side of the underframe 1b through the covering portion 6a (see, for example, Patent Document 1).
JP-A-4-161730

  However, in the conventional configuration described above, when a component that may drop condensed water is disposed on the upper part of the auxiliary pipe 6, a part such as the water receiving part 8 is attached to the covering part 6 a of the auxiliary pipe 6. Although it is necessary to perform water treatment of the condensed water, it is very difficult to stabilize the mounting position because the covering portion 6a has elasticity, and a part of the condensed water that could not be received by the water receiving portion 8 is auxiliary piping. There was a problem of leaking from the indoor unit 1 through 6.

  This invention solves the said subject, and is providing the air conditioner which prevents dripping to the coating | coated part given to the auxiliary piping of condensed water, and there is no dripping of the water from an indoor unit. .

In order to solve the above-described conventional problems, an air conditioner according to the present invention includes an outdoor unit and an indoor unit. The indoor unit includes an indoor heat exchanger, an indoor fan, and a water tray for treating condensed water. It has a built-in frame, a wind suction part and a blowout part, and a front frame that can be attached to the frame, connecting the connection pipe from the outdoor unit and the indoor heat exchanger and from the heat insulating material An auxiliary pipe having a covering portion covered with a covering, and is attached to the base frame with a flange portion having a bottom portion that is located at the upper portion of the covering portion in the indoor unit and is inclined in a front-down manner. bottom substantially disposed horizontally extending rear wall than the tip of which was formed the bottom a double structure, the two-way valve and a capillary tube positioned above the covering portion, the condensed water dropped from the piping Also, it is received at the trough, the dripping of the condensed water into the cover portion of the auxiliary pipe is prevented, it can be reliably prevented condensate along the covering portion from leaking from the indoor unit.

The air conditioner of the present invention includes an outdoor unit and an indoor unit, and the indoor unit includes an indoor heat exchanger, an indoor fan, a frame that houses a water tray for treating condensed water, A covering part that has a suction part and a blowing part and is configured by a front frame that can be attached to the frame, and that is connected with a connection pipe from the outdoor unit and the indoor heat exchanger and is covered with a covering made of a heat insulating material An auxiliary pipe having a bottom portion that is located at an upper portion of the covering portion in the indoor unit and has a bottom portion that is inclined in a front-falling manner is attached to the base frame, and a bottom portion of the bottom portion of the flange portion is attached to the bottom portion. By providing a hollow layer formed of a surface that extends substantially horizontally and rearward from the tip of the head, and a back surface and left and right side surfaces, a part in which condensed water may drip is close to the buttocks Overly Even if it is rejected, the hollow layer can act as a heat insulation layer, preventing condensation on the back of the bottom of the buttock, etc., and as a result, preventing dripping of water from the indoor unit through the pipe presser it can.

  The air conditioner of the present invention can prevent the condensed water from dripping onto the covering portion of the auxiliary pipe, and can prevent the condensed water from leaking out of the indoor unit through the covering portion.

The air conditioner of the first and third inventions comprises an outdoor unit and an indoor unit, and the indoor unit includes an indoor heat exchanger, an indoor fan, and a frame that houses a water tray for treating condensed water, It has a wind suction part and a blowing part and is composed of a front frame that can be attached to the underframe, and is connected to a connection pipe from the outdoor unit and the indoor heat exchanger and covered with a coating made of a heat insulating material. An auxiliary pipe having a covering portion is provided, and a flange portion having a bottom portion that is located on the upper portion of the covering portion in the indoor unit and is inclined in a front-down manner is attached to the base frame, and is approximately from the tip of the bottom portion of the flange portion. A horizontally extending wall is provided and the bottom is formed in a double structure. Even if condensed water drops from the two-way valve, capillary tube, piping, etc. located at the top of the cover, Received in Since dropping of the condensed water into the cover portion of the auxiliary pipe is prevented, it can be reliably prevented condensate along the covering portion from leaking from the indoor unit.

In addition, a wall that extends rearward substantially horizontally from the tip of the bottom of the collar is provided, and the bottom is formed in a double structure. It is possible to form without adopting a slide mechanism. In addition, since there is no hole below the flange, it is possible to prevent the inflow of air from the outside to the periphery of the covering portion of the auxiliary pipe, so that it is possible to suppress the amount of condensation on nearby parts and pipes.

The air conditioner of the second and third inventions comprises an outdoor unit and an indoor unit, and the indoor unit includes an indoor heat exchanger, an indoor fan, and a frame that houses a water tray for treating condensed water, It has a wind suction part and a blowing part and is composed of a front frame that can be attached to the underframe, and is connected to a connection pipe from the outdoor unit and the indoor heat exchanger and covered with a coating made of a heat insulating material. Auxiliary piping having a covering portion is provided, and a heel portion having a bottom portion that is located on the upper portion of the covering portion in the indoor unit and is inclined in a front-falling manner is attached to the underframe, By providing a hollow layer formed of a surface extending substantially horizontally and rearward from the tip of the bottom, and a back surface and left and right side surfaces, there is a possibility that condensed water may drip.
Even when the heel part is excessively cooled in the vicinity of the heel part, the hollow layer serves as a heat insulating layer and can prevent dew condensation on the back surface of the bottom part of the buttock part. It is possible to prevent water from dripping from the indoor unit.

  In addition, a hollow layer formed by a surface extending substantially horizontally and rearward from the tip of the bottom portion and a back surface and left and right side surfaces is provided at a lower portion of the bottom portion of the flange portion, and condensed water may be dripped. Even when a certain part is close to the collar part and the collar part is excessively cooled, the hollow layer serves as a heat insulating layer and can prevent condensation on the back surface of the bottom part of the collar part, resulting in piping. It is possible to prevent water from dripping from the indoor unit through the presser.

In particular, the fourth invention is provided with a piping presser for storing and fixing the covering portion of the first or second invention on the frame, and the flange is integrally or integrally formed with the pipe presser. After attaching the indoor heat exchanger to the underframe, it is possible to store and fix the covering part of the auxiliary pipe by simply attaching the pipe retainer to the underframe, and the collar part is also arranged at a predetermined position, so that the assembly man-hours Can be greatly reduced.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
Hereinafter, the air conditioner in the 1st Embodiment of this invention is demonstrated using FIG. In addition, about the same part as the past, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  FIG. 1 is a perspective view showing details of an indoor heat exchanger 2 and an auxiliary pipe 6 of an indoor unit 1 of an air conditioner according to the present invention.

  In FIG. 1, the indoor heat exchanger 2 is connected with a two-way valve 9 and a capillary tube block 10 for allowing a part of the indoor heat exchanger 2 to function as a condenser during cooling. The capillary tube block 10 is a part that may be dripped with water, and a part of the capillary tube block 10 is disposed above the covering portion 6 a of the auxiliary pipe 6.

  FIG. 2 shows a cross-sectional view of the indoor unit 1, and shows a state in which the indoor heat exchanger 2 and the auxiliary pipe 6 are assembled to the frame 1b. 1a is a flange portion attached to the frame 1b and having a substantially bowl shape, and its bottom portion 1c is located between the covering portion 6a of the auxiliary pipe 6 and the capillary tube block 10 and is inclined forward and downward, and The front end portion of the bottom portion 1c is positioned in front of the end portion of the covering portion 6a.

  With the above configuration, as shown in FIG. 3, the condensed water dripped from the capillary tube block 10 flows forward after being received by the flange portion 1a and drops to the water receiving tray 4a. At this time, the front end of the bottom portion 1c Since the portion is located in front of the end portion of the covering portion 6a, the condensed water does not drop onto the covering portion 6a, and accordingly, it is possible to reliably prevent the condensed water from dropping from the indoor unit 1. .

  Moreover, since the collar part 1a is attached to the sturdiness frame 1b, since the attachment position does not fluctuate, it can receive the condensed water dripped from the components located in the upper part reliably. .

(Embodiment 2)
Next, the air conditioner in the 2nd Embodiment of this invention is demonstrated using FIG. Note that the same portions as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  FIG. 4 is a perspective view of a main part of the air conditioner according to the present embodiment. Reference numeral 11 denotes a pipe presser that houses the covering part 6a of the auxiliary pipe 6 and is attached to the back surface of the frame 1b. The upper portion of the pipe presser 11 forms a part of the outer shell formed by the frame 1b, and a flange 11a that receives condensed water dripping from the upper outer shell of the pipe presser 11 is formed.

  FIG. 5 shows a cross-sectional view of the pipe retainer 11, and the bottom of the flange 11a is a condensate receiving surface 11b that inclines downward from the upper rear surface and receives condensed water. Below the condensed water receiving surface 11b, a hole 11c is provided for forming the condensed water receiving surface 11b by simple top and bottom punching on a mold.

  With the above-described configuration, the dripped condensed water is guided to the front of the covering portion 6a of the auxiliary piping 6 by the flange portion 11a formed on the pipe presser 11, so that the condensed water may drop on the covering portion 6a. Absent.

  In the above embodiment, the condensate receiving surface 11b is formed with the hole 11c provided below, but as shown in FIG. 6, the wall extends substantially horizontally rearward from the tip of the condensate receiving surface 11b. If the condensate receiving surface 11b has a double structure by providing 11d, it can be formed by a top and bottom punching die having the same simple structure without providing the hole 11c.

  Furthermore, as shown in FIG. 7, the back side of the double structure surface formed by the wall 11d extending substantially horizontally rearward from the tips of the condensed water treatment surface 11b and the condensed water receiving surface 11b is covered with a lid 12, If the hollow layer 11e is formed below the condensed water receiving surface 11b, the hollow layer 11e becomes a heat insulating portion and prevents condensation from occurring on the back surface of the condensed water receiving surface 11b that is cooled by receiving condensed water. be able to.

  As described above, the air conditioner according to the present invention is widely applied to various refrigerators, freezers, and the like having a heat exchanger through which refrigerant passes because the condensed water generated inside the main body does not leak from the indoor unit. It is something that can be done.

The perspective view of the indoor side heat exchanger of the air conditioner which shows the 1st Embodiment of this invention Sectional view of the indoor unit of the air conditioner Partial perspective view of the same indoor unit The principal part perspective view of the air conditioner which shows the 2nd Embodiment of this invention. Sectional view of the piping retainer of the air conditioner Cross-sectional view of a piping retainer showing another example Sectional view of a piping retainer showing yet another example Sectional view of the indoor unit of a conventional air conditioner The perspective view which shows the detail of the water receiving part of the indoor unit

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Indoor unit 1a Ridge part 1b Base frame 1c Bottom part 2 Indoor heat exchanger 3 Indoor fan 4a Water receiving tray 5 Front frame 6 Auxiliary piping 6a Covering part 8 Water receiving part 9 Two-way valve 10 Capillary tube block 11 Piping presser 11a Ridge part 11b Condensate receiving surface (bottom)
11c hole 11d wall 11e hollow layer 12 lid

Claims (4)

The indoor unit comprises an outdoor unit and an indoor unit. The indoor unit includes an indoor heat exchanger, an indoor fan, a base frame containing a water tray for treating condensed water, a wind suction part, and a blow-out part. A front frame that can be attached to a frame, and includes an auxiliary pipe that connects the connecting pipe from the outdoor unit and the indoor heat exchanger and has a covering portion that is covered with a coating made of a heat insulating material; A hook part having a bottom part that is located at the top of the covering part and is inclined in a front-down manner is attached to the frame, a wall extending rearward substantially horizontally from the tip of the bottom part of the hook part is provided, and the bottom part is An air conditioner characterized by a double structure . The indoor unit comprises an outdoor unit and an indoor unit. The indoor unit includes an indoor heat exchanger, an indoor fan, a base frame containing a water tray for processing condensed water, a wind suction part, and a blowing part, and the base. A front frame that can be attached to a frame, and includes an auxiliary pipe that connects the connecting pipe from the outdoor unit and the indoor heat exchanger and has a covering portion that is covered with a coating made of a heat insulating material; A hook portion having a bottom portion that is located on the upper portion of the covering portion and has a bottom portion that is inclined downward is attached to the base frame, and a surface that extends substantially horizontally and rearward from the tip of the bottom portion at a lower portion of the bottom portion of the hook portion. And an air conditioner provided with a hollow layer formed by a back surface and left and right side surfaces . At least part of the parts where condensed water can drip, such as a two-way valve, capillary tube or expansion valve for changing a part of the indoor heat exchanger into a condenser during cooling operation, piping for connecting to the heat exchanger, etc. 3. The air conditioner according to claim 1, wherein the air conditioner is disposed above the covering portion, and a flange portion is disposed between the covering portion and the component capable of dripping the condensed water. The pipe retainer for housing and fixing the cover portion to the base frame is provided, wherein the trough to any one of claims 1 to 3, characterized in that integrally formed or integrally to the pipe retainer Air conditioner.

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