JPH09112945A - Branch tube and air conditioner mounted with the tube - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately distribute fluid and to obtain a branch tube having high reliability by providing a branch plate perpendicularly to a baffle plate at the first branch opening end side of the baffle plate for forming a fluid passage. SOLUTION: A branch plate 103 having an angle of 90 deg. from a baffle plate 104 is provided at the first branch opening end 101 side of the plate 104 for forming a fluid passage at the second branch opening end 102 side in a branch tube body 1. Thus, the fluid entered from the first opening end 101 side is collided perpendicularly with the plate 103, and can be equivalently distributed to the right and left without drift. The tube 1 is mounted horizontally or perpendicularly to the heat exchanger in the indoor unit to improve the balance between the upper and lower parts of the distribution of the exchanger, thereby improving the performance of the exchanger.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a branch pipe for dividing a fluid and an air conditioner equipped with the branch pipe.

[0002]

2. Description of the Related Art A conventional branch pipe of this type and an air conditioner equipped with this branch pipe will be described with reference to the drawings.

In FIG. 8, reference numeral 8 denotes a branch pipe main body, which is provided with a first branch opening end 801, a second branch opening end 802, and a partition plate 804 forming a fluid passage. Then, the fluid flows in from the X direction and splits in the Y direction and the Z direction.

9 and 11 are used in an air conditioner by a refrigeration cycle. (The refrigeration cycle is not shown).

In FIG. 9, a heat exchanger 90 inside the indoor unit
One branch pipe 902 is provided. The fluid enters in the direction of arrow A and splits in the directions of arrow B and C. FIG. 10 is an enlarged view of the branch pipe 902 and shows the flow of fluid. FIG. 10 shows a fluid flow in the branch pipe 902.

In FIG. 11, the heat exchanger 1 inside the outdoor unit
A branch pipe 1002 is provided at 001. The fluid enters in the direction of arrow D and splits in the directions of arrow E and arrow F.

[0007]

However, the above-mentioned structure has a problem that when the fluid flows in from the first branch opening end 801, the fluid is unbalanced and is not accurately divided.

That is, in the branch pipe 8, the fluid flows in from the X direction and splits in the Y direction and the Z direction. However, depending on the processing accuracy, there are cases as shown in FIG. 12 and FIG. There was a problem that it could not be divided into two.

Further, there is a problem in that, after branching at the branch pipe 902 attached to the heat exchanger inside the indoor unit, the upper (B direction) and the lower (C direction) path balance is deteriorated and the performance of the heat exchanger 901 is deteriorated. Had.

In addition, there is a problem that the branch pipe 1102 attached to the heat exchanger inside the outdoor unit deteriorates the path balance of the upper (E direction) and the lower (F direction) after branching, and the performance of the heat exchanger 1101 deteriorates. Was.

The present invention solves the above-mentioned problems of the conventional example, and an object of the present invention is to provide a highly reliable branch pipe for accurately dividing a fluid and an air conditioner equipped with this branch pipe. .

[0012]

In order to solve the above problems, the present invention provides a partition plate on the first branch opening end side of a partition plate.

Further, according to the present invention, a fluid collides with the first branch opening end side of the partition plate and a branch plate having an angle of 90 ° with the partition plate is provided.

According to the present invention, a partition plate having an obtuse angle with the partition plate with which the fluid collides is provided on the first branch opening end side of the partition plate.

Further, according to the present invention, a partition plate having an acute angle with the partition plate with which the fluid collides is provided on the first branch opening end side of the partition plate.

Further, according to the present invention, a branch plate is provided on the first branch opening end side of the partition plate, and the partition plate with which the fluid collides has a different adjoining angle with the fluid passage.

Further, according to the present invention, the branch pipe according to any one of claims 1 to 5 is horizontally attached to the heat exchanger inside the indoor unit.

Further, according to the present invention, the branch pipe according to any one of claims 1 to 5 is attached vertically to the heat exchanger inside the indoor unit.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION According to the present invention, by providing a branch plate on the side of the first branch opening end of the partition plate, the fluid collides with the branch plate and the flow can be surely divided without uneven flow.

According to the present invention, the partition plate is provided on the first branch opening end side with a branch plate having an angle of 90 ° with the partition plate, so that the fluid entering from the first branch opening end side collides with the branch plate. It can be divided into left and right and evenly divided.

According to the present invention, the partition plate and the partition plate having an obtuse angle are provided on the side of the first branch opening end of the partition plate, so that the fluid entering from the side of the first branch opening end collides with the branch plate and is mixed. It has high properties and can be split right and left.

According to the present invention, the partition plate is provided on the side of the first branch opening end with a partition plate having an acute angle with the partition plate, so that the resistance caused by the fluid entering from the side of the first branch opening end colliding with the branch plate is reduced. Can be shunted by holding it low.

According to the present invention, the partition plate and the branch plate are provided on the first branch opening end side of the partition plate at different angles adjacent to each other so that the fluid entering from the first branch opening end side has a different angle. By colliding with the branch plate, it is possible to divert to an appropriate diversion ratio.

According to the present invention, the branch pipes are horizontally attached to the heat exchanger inside the indoor unit to improve the balance between the upper and lower paths of the heat exchanger after branching and improve the performance of the heat exchanger.

According to the present invention, the branch pipe is vertically attached to the heat exchanger inside the outdoor unit to improve the balance between the upper and lower paths of the heat exchanger after branching and improve the performance of the heat exchanger.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A branch pipe and an air conditioner according to an embodiment of the present invention will be described below with reference to the drawings. The flow of the fluid is indicated in the figure by an arrow.

In FIG. 1, reference numeral 1 is a branch pipe body, and a branch plate 10 is formed on the first branch opening end 101 side of a partition plate 104 which forms a fluid passage on the second branch opening end 102 side inside the main body.
The branch pipe 1 provided with 3 will be described with reference to the drawings.

Further, at this time, by providing the branch plate 103 on the side of the first branch opening end side 101 of the partition plate 104, the fluid collides with the branch plate 103 and the fluid can be surely diverted without being deflected.

In FIG. 2, reference numeral 2 is a main body of the branch pipe, and a partition plate 20 is formed on the side of the first branch opening end 201 of the partition plate 204 that forms a fluid passage on the side of the second branch opening end 202 inside the main body.
4 is provided with a branch plate 203 having an angle of 90 °.

Further, at this time, the branch plate 2 on the side of the first branch opening end 201 of the partition plate 204, which has an angle of 90 ° with the partition plate 204.
By providing 03, the fluid that has entered from the first branch opening end 201 side collides vertically with the branch plate 203, and can be divided into left and right and divided evenly.

In FIG. 3, reference numeral 3 is a main body of the branch pipe, and a partition plate 30 on the side of the first branch opening end 301 of the partition plate 304 forming a fluid passage on the side of the second branch opening end 302 inside the main body.
4 and an obtuse branch plate 303 are provided.

At this time, the partition plate 304 is provided with a branch plate 303 having an obtuse angle with the partition plate 304 on the side of the first branch opening end 301, so that the fluid entering from the side of the first branch opening end 301 is branched. Can be mixed and collided with, and can be shunted with high reliability.

In FIG. 4, reference numeral 4 denotes a main body of the branch pipe, and a partition plate 40 is formed on the side of the first branch opening end 401 of the partition plate 404 which forms a fluid passage on the side of the second branch opening end 402 inside the main body.
4 and a branch plate 403 having an acute angle are provided.

At this time, the partition plate 404 is provided on the side of the first branch opening end 401 with the branch plate 403 having an acute angle with the partition plate 404, so that the fluid entering from the side of the first branch opening end 401 is branched. It is possible to divert the flow by suppressing the resistance caused by collision with.

In FIG. 5, reference numeral 5 denotes a branch pipe main body, which is a partition plate 504 on the side of the first branch opening end 501 of the partition plate 504 forming a fluid passage on the side of the second branch opening end 502 inside the main body.
04, and a branch plate 503 in which the adjacent angle of the fluid passage is different.

At this time, the partition plate 504 is provided on the side of the first branch opening end 501 with a branch plate 503 having a different angle between the partition plate 504 and the fluid passage, so that the partition plate 504 enters from the side of the first branch opening end 501. Branch plate 50 with different fluid angles
By colliding with No. 3, it is possible to divert to an appropriate diversion ratio.

In FIG. 6, the heat exchanger 60 inside the indoor unit
1, the branch pipe 602 according to any one of claims 1 to 5 is horizontally attached.

At this time, the heat exchanger 601 inside the indoor unit
By horizontally attaching the branch pipe 602 to the heat exchanger 601, it is possible to improve the balance between the upper and lower paths of the heat exchanger 601 after the diversion and improve the performance.

In FIG. 7, the heat exchanger 70 inside the outdoor unit
The branch pipe 702 according to any one of claims 1 to 5 is attached perpendicularly to 1.

At this time, the heat exchanger 701 inside the outdoor unit
By vertically installing the branch pipe 702 in the heat exchanger 702, it is possible to improve the balance between the upper and lower paths of the heat exchanger 702 after the diversion and improve the performance.

With the above-described structure, it is possible to provide a highly reliable branch pipe and an air conditioner equipped with this branch pipe.

[0042]

According to the present invention, as is apparent from the above description,
By providing the branch plate on the side of the first branch opening end of the partition plate, the fluid collides with the branch plate, and the fluid can be reliably split without being deflected.

Further, according to the present invention, by providing a branch plate having an angle of 90 ° with the partition plate on the first branch opening end side of the partition plate, the fluid entering from the first branch opening end side collides with the branch plate. However, it can be divided into left and right and evenly divided.

Further, according to the present invention, the partition plate is provided on the first branch opening end side with the partition plate having an obtuse angle with the partition plate so that the fluid entering from the first branch opening end side collides with and is mixed with the branch plate. , Can be shunted with high reliability.

According to the present invention, the partition plate is provided on the first branch opening end side with a partition plate having an acute angle with the partition plate, so that the fluid introduced from the first branch opening end side collides with the branch plate. The resistance can be kept low and the flow can be shunted.

Further, according to the present invention, by providing a branch plate on the first branch opening end side of the partition plate with a different angle between the partition plate and the fluid passage, the fluid entering from the first branch opening end side is angled. By colliding with a branch plate having a different flow ratio, it is possible to divide the flow into an appropriate flow dividing ratio.

Further, according to the present invention, by installing the branch pipe horizontally to the heat exchanger inside the indoor unit, it is possible to improve the balance between the upper and lower paths of the heat exchanger after branching and improve the performance.

Further, according to the present invention, the branch pipe is vertically attached to the heat exchanger inside the outdoor unit to improve the balance between the upper and lower paths of the heat exchanger after branching and improve the performance.

[Brief description of the drawings]

FIG. 1 is a sectional view of a branch pipe provided with a branch plate according to an embodiment of the present invention.

FIG. 2 shows an angle of 90 with a partition plate according to an embodiment of the present invention.
Sectional view of a branch pipe with a divergence plate

FIG. 3 is a sectional view of a branch pipe provided with a partition plate having an obtuse angle with the partition plate in one embodiment of the present invention.

FIG. 4 is a cross-sectional view of a branch pipe provided with a partition plate having an acute angle with a partition plate according to an embodiment of the present invention.

FIG. 5 is a cross-sectional view of a branch pipe provided with a branch plate in which an angle at which a partition plate and a fluid passage are adjacent to each other is different according to an embodiment of the present invention.

FIG. 6 is an explanatory view of an air conditioner in which a branch pipe according to any one of claims 1 to 5 is horizontally attached to a heat exchanger inside an indoor unit in one embodiment of the present invention.

FIG. 7 is an explanatory view of an air conditioner in which the branch pipe according to any one of claims 1 to 5 is vertically attached to a heat exchanger inside an outdoor unit in one embodiment of the present invention.

FIG. 8 is a sectional view of a branch pipe according to a conventional example.

FIG. 9 is an explanatory view of an air conditioner attached to a heat exchanger inside an indoor unit in a conventional example.

FIG. 10 is an explanatory diagram showing a flow of fluid in a branch pipe in a conventional example.

FIG. 11 is an explanatory view of an air conditioner attached to a heat exchanger inside an outdoor unit in a conventional example.

FIG. 12 is a sectional view of a branch pipe according to a conventional example.

FIG. 13 is a sectional view of a branch pipe according to a conventional example.

[Explanation of symbols]

 1 Branch pipe 2 Branch pipe 3 Branch pipe 4 Branch pipe 5 Branch pipe 8 Branch pipe 101 1st branch opening end 102 2nd branch opening end 103 Branch plate 104 Partition plate 201 1st branch opening end 202 2nd branch Open end 203 Branch plate 204 Partition plate 301 First branch opening end 302 Second branch opening end 303 Branch plate 304 Partition plate 401 First branch opening end 402 Second branch opening end 403 Branch plate 404 Partition plate 501st One branch opening end 502 Second branch opening end 503 Branch plate 504 Partition plate 601 Heat exchanger 602 Branch pipe 701 Heat exchanger 702 Branch pipe

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Masatoshi Nagano 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Yasuhiro Nakamura 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. 72) Inventor Daisuke Tabata 1006 Kadoma, Kadoma City, Osaka Prefecture, Matsushita Electric Industrial Co., Ltd. (72) Takahiro Fukunishi 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (7)

[Claims] 1. A main body is provided with a first branch opening end, a second branch opening end, and a partition plate forming at least two or more fluid passages inside the main body on the side of the second branch opening end. Then
A branch pipe provided with a branch plate on the first branch opening end side of the partition plate. 2. A main body is provided with a first branch opening end, a second branch opening end, and a partition plate forming at least two or more fluid passages inside the main body on the side of the second branch opening end. Then
A branch pipe in which a fluid collides with the first branch opening end side of the partition plate and a branch plate having an angle of 90 ° with the partition plate is provided. 3. A main body is provided with a first branch opening end, a second branch opening end, and a partition plate that forms at least two or more fluid passages inside the main body on the side of the second branch opening end. Then
A branch pipe provided with a partition plate having an obtuse angle with the partition plate with which the fluid collides with the partition plate on the first branch opening end side. 4. A main body is provided with a first branch opening end, a second branch opening end, and a partition plate forming at least two or more fluid passages inside the main body on the side of the second branch opening end. Then
A branch pipe provided with a branch plate having an acute angle with the partition plate on the first branch opening end side of the partition plate with which the fluid collides. 5. A main body is provided with a first branch opening end, a second branch opening end, and a partition plate forming at least two or more fluid passages inside the main body on the side of the second branch opening end. Then
A branch pipe provided with a branch plate in which the fluid passage collides with the partition plate at the first branch opening end side and the fluid passage has different adjoining angles. 6. An air conditioner in which the branch pipe according to any one of claims 1 to 5 is horizontally attached to a heat exchanger inside an indoor unit. 7. An air conditioner in which the branch pipe according to any one of claims 1 to 5 is mounted vertically to a heat exchanger inside an outdoor unit.