JP2002333154A - Radiator of hot-water heating equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radiator for hot-water heating equipment, in which hot-water amount flowing in each hot-water circulation pipe is made uniform to perform a good radiant heating having less unevenness in the temperature. SOLUTION: In this radiator, there are provided a distribution pipe 4, a collecting pipe 3, and a plurality of hot-water circulation pipes P1-P5. The distribution pipe 4 is provided horizontally in the lower side of the radiator, having an inflow pipe 20 for hot-water inflow connected in the axially intermediate position. The collecting pipe 3 is provided in the upper side, having an outflow pipe 10 connected at one end for hot-water outflow. The pipes P1-P5 are provided at intervals for allowing hot-water from the distribution pipe 4 to flow into the collecting pipe 3. The upper end of the inflow pipe 20 is inserted into the distribution pipe 4, and the upper end thereof is cut slantingly to have a cut section 20A, which is faced oppositely to the pipes P1 and P2 each placed nearer to the outflow pipe 10 than the inflow pipe 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiator of a hot water heating apparatus for performing radiant heating by circulating hot water heated by a heat source unit.

[0002]

2. Description of the Related Art Heretofore, a radiator A of this type of hot water heating apparatus has been used.
As shown in FIGS. 6 to 8, a horizontal distribution pipe 4 provided on the lower side and connected to an inflow pipe 30 for inflow of hot water at a substantially central portion in the axial direction, and A collecting pipe 3 having an outlet pipe 10 for hot water outflow connected to a left end thereof, and a collecting pipe 3 and a distribution pipe 4 which are provided substantially parallel to each other with an interval therebetween, and allow hot water from the distribution pipe 4 to flow therethrough. It has a configuration including a plurality of hot water circulation pipes P1 to P5 flowing to the collecting pipe 3. The collecting pipe 3 and the distribution pipe 4 are covered with a holding body (not shown). ~ P5
Are also covered with a plurality of heat dissipation panels (not shown).

An outlet 11 is provided at the tip of the outlet pipe 10, and an inlet 31 is provided at the lower end of the inlet pipe 30. The outlet 31 is separated from an incoming pipe (not shown) via the inlet pipe 30. The hot water flowing into the pipe 4 is supplied to each of the hot water circulation pipes P1 to P
5, flows into the collecting pipe 3, and returns from the collecting pipe 3 through the outflow pipe 10 to the outlet port 11 (not shown).
Returned to In this way, the hot water for heating flows in each of the hot water circulation pipes P1 to P5, so that the heat of the hot water is transmitted to each of the heat radiating panels to perform radiant heating of the room.

In the above-mentioned conventional structure, as shown in FIG. 7, an inflow pipe 30 connected to a distribution pipe 4 is provided.
Was cut in a direction substantially perpendicular to the axial direction of the inflow pipe 30. Further, an insertion dimension L inserted into the distribution pipe 4 by a projection D provided on the inflow pipe 30.
Therefore, almost the entire inside of the distribution pipe 4 is a flow path of hot water. Therefore, as indicated by arrows X1 to X5 in FIG. 8, the warm water flowing into the distribution pipe 4 from the inflow pipe 30 has a short reaching distance to the outflow pipe 10 and is close to the outflow pipe 10 having a small flow path resistance. Hot water circulation pipes P1, P
2 and a small amount flows into the hot water circulation pipes P4 and P5 far from the outflow pipe 10;
1 to P5, a temperature difference occurs between the hot water circulation pipes P1 to P5.
There is a problem that the heat cannot be dissipated uniformly.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and aims to make the amount of hot water flowing through each hot water circulating pipe uniform and provide good radiant heating with less temperature unevenness. It is an object of the present invention to provide a radiator for a hot water heating device that can be provided.

[0006]

In order to solve the above problem, according to the first aspect of the present invention, there is provided a laterally extending water supply pipe, which is provided at a lower side and connected to an intermediate portion in the axial direction for hot water inflow. Distributing pipe, a collecting pipe provided on the upper side and connected to an outlet pipe for hot water outflow at one end thereof, and provided with an interval between the collecting pipe and the dividing pipe, respectively. In a radiator of a hot water heating apparatus having a plurality of hot water circulation pipes for flowing hot water to a collecting pipe, an upper end portion of the inflow pipe is inserted into a distribution pipe, and the upper end portion is cut obliquely. And the inclined cut surface is directed to the opposite side to the hot water circulation pipe arranged closer to the outflow pipe than the inflow pipe.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an explanatory view illustrating an installation state of a radiator according to an embodiment of the present invention, FIG. 2 is an explanatory view illustrating an installation state of a radiator in which a part is also broken, and FIG. FIG. 4 is a partially enlarged front view of the radiator in a state, FIG. 4 is an enlarged sectional view of a main part, and FIG.

1 to 5, the same components as those of the conventional example are denoted by the same reference numerals. In FIGS. 1 to 3, a radiator A is made of a plurality of aluminum (6 in FIG. 1). Book) upper and lower holders 3 made of aluminum so that the long heat dissipation panels 1 and 1 are substantially parallel to each other.
The upper and lower holders 3A and 4A are fixed along the indoor wall surface W to be installed along the indoor wall surface W.

Reference numeral 2 denotes a resin cover which is detachably fitted to both end faces of the heat radiating panel 1, 5 denotes a flow rate adjusting device for controlling the flow rate of hot water to adjust the heat radiation amount of the radiator A,
Reference numeral 8 denotes an inlet (not shown) of the flow control device 5 for supplying hot water heated and heated by a heat source device (not shown) installed outdoors.
And 9 is a return pipe for returning the warm water circulating in the radiator A and returning to the outlet (not shown) of the flow control device 5 to the heat source unit (not shown) again. The outgoing pipe 8 and the return pipe 9 are respectively piped so as to penetrate the floor F from under the floor and protrude into the room.

The radiator A is provided with the holding members 3A, 4
When A and each heat dissipation panel 1 are removed, the configuration is as shown in FIGS. 3 and 5. That is, a horizontal distribution pipe 4 made of a copper pipe, which is provided on the lower side and has an inflow pipe 20 for inflow of hot water connected to a substantially central portion (intermediate portion) in the axial direction, and an upper end provided with one end of the pipe. Pipe 3 made of a copper pipe having an outflow pipe 10 for hot water outflow connected thereto, and this collection pipe 3 and distribution pipe 4
And a plurality of hot water circulation pipes P1 to P5 made of copper pipes for flowing hot water from the distribution pipe 4 to the collecting pipe 3.

The distribution pipe 4 and the collecting pipe 3 are covered by a lower holding body 4A and an upper holding body 4B, respectively, and the respective hot water circulation pipes P1 to P5 are respectively formed by the above-mentioned heat radiating panel 1. Covered. As shown in FIG. 3, each of the hot water circulation pipes P1 to P5 communicates with both ends thereof to the distribution pipe 4 and the collecting pipe 3 so as to be substantially parallel to each other and in a vertical direction. It is connected.

The outflow pipe 10 has its upper end connected to the collecting pipe 3.
And is extended downward along the leftmost hot water circulation pipe P1 as shown in FIG.
The lower end portion of the outflow pipe 10 is bent so as to be close to the inflow port 21 of the inflow pipe 20, and the bent portion 10A
An outlet 11 is provided at the tip end of the outlet 1.
1 is connected to the flow control device 5 via a joint (not shown). Further, the outflow pipe 10 has a vertical portion covered with the heat radiating panel 1 and the bent portion 10A.
Are covered with the holding body 4A.

At the left end (one end) of the collecting pipe 3, there is provided an air vent pipe 13 which is located immediately above the outflow pipe 10 and has an air vent 14 at the end.

The distribution pipe 4 has a substantially central portion in FIG.
As shown in Fig. 7, an opening 4B having a diameter of about 8 mm is opened, and the upper end portion of the inflow pipe 20 is inserted into the opening 4B and connected by welding. An inclined cut surface 20A that is obliquely cut at an angle of about 45 degrees is formed at an upper end portion of the inflow pipe 20 inserted into the distribution pipe 4.
This inclined cut surface 20A is more suitable for the outflow pipe 10
The hot water circulation pipes P1, P2 are directed to the opposite sides.

Further, the inflow pipe 20 is provided with an inclined cut surface 20.
An outward projection 22 at a position away from the uppermost end of A by a dimension L0.
Is provided to regulate the insertion dimension L1 of the inflow pipe 20 into the distribution pipe 4. This insertion dimension L1 is the inner diameter R in the distribution pipe 4.
About 1/4 of the inner diameter R of the distribution pipe 4.
/ 4 is set to the unblocked dimension L2, so that the inflow pipe 20
The resistance of the flow of warm water flowing from the hot water circulation pipes P1 and P2 to the side of the warm water circulation pipes P4 and P5 is increased.

As described above, by giving resistance to the flow of the hot water flowing into the distribution pipe 4 from the inflow pipe 20 to the hot water circulation pipes P1 and P2, as shown by arrows X1 to X5 in FIG. The amount of warm water flowing to the warm water circulation pipes P1 to P5 can be made substantially uniform.

When heating is performed by the radiator A configured as described above, the flow rate adjusting device 5 is adjusted so that a required amount of hot water can be supplied to the radiator A. In this state, when the operation of the heat source device (not shown) is started, the heated and heated hot water flows from the outgoing pipe 8 into the distribution pipe 4 via the flow control device 5 and the inflow pipe 20.

The hot water flowing into the distribution pipe 4 is directed such that the inclined cut surface 20A of the inflow pipe 20 is directed to the opposite side to the hot water circulation pipes P1, P2 closer to the outflow pipe 10 than the inflow pipe 20. Because of this, the amount of water flowing toward the hot water circulation pipes P1 and P2 near the outflow pipe 10 is limited, and flows almost uniformly over the entire length of the distribution pipe 4 in the axial direction.
A substantially uniform amount of warm water is supplied to 1 to P5.

Thus, each of the hot water circulation pipes P1 to P
The heat of the hot water flowing through the radiator 5 is conducted to the radiator panels 1 and 1, and the radiator panel 1 radiates a substantially uniform amount of radiant heat.

The hot water in the hot water circulating pipes P1 to P5 whose temperature has been reduced by heat conduction is collected in the collecting pipe 3, and then flows from the outflow pipe 10 and the outlet (not shown) of the flow control device 5 to the return pipe 9. Is returned to the heat source device (not shown) again.
According to the present embodiment, an inclined cut surface 20A cut obliquely at an angle of about 45 degrees with respect to the distribution pipe 4 is formed at an upper end portion of the inflow pipe 20 inserted into the distribution pipe 4. Since the inclined cut surface 20A is configured to face the hot water circulation pipes P1, P2 closer to the outflow pipe 10 than the inflow pipe 20, the hot water circulation pipes P1, P2 closer to the outflow pipe 10 are arranged.
The amount of hot water flowing to the side can be restricted, and each hot water circulation pipe P1
~ P5, the amount of hot water flowing can be made uniform, so that the radiant heat is radiated almost uniformly from each of the heat radiating panels 1, 1, and good radiant heating with less heat radiating unevenness over the whole can be performed. It is.

[0021]

As described above, according to the first aspect of the present invention, there is provided a lateral distribution pipe provided on the lower side and having an inflow pipe for inflow of hot water connected to an axially intermediate portion; A collecting pipe, which is provided on the upper side, and an outlet pipe for hot water outflow is connected to one end of the collecting pipe, and is provided at intervals between the collecting pipe and the distribution pipe to collect hot water from the distribution pipe. In a radiator of a hot water heating device provided with a plurality of hot water circulation pipes flowing into a pipe, an upper end portion of the inflow pipe is inserted into a distribution pipe, and the upper end portion has an inclined cut surface that is cut obliquely. In addition, since the inclined cut surface is directed to the opposite side to the hot water circulation pipe disposed closer to the outflow pipe than the inflow pipe, the amount of hot water flowing through each hot water circulation pipe can be made uniform. Good radiant heating without temperature unevenness can be performed.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating an installation state of a radiator of a hot water heating apparatus according to an embodiment of the present invention.

FIG. 2 is an explanatory view for explaining an installation state of a radiator whose part is also broken.

FIG. 3 is a partially cutaway front view of the radiator with the radiator panel and the like removed.

FIG. 4 is an enlarged sectional view of a main part of the same.

FIG. 5 is an explanatory diagram illustrating a flow of hot water.

FIG. 6 is a partially cutaway front view of a conventional radiator with a radiator panel and the like removed.

FIG. 7 is an enlarged sectional view of a main part of a conventional radiator.

FIG. 8 is an explanatory diagram illustrating a flow state of hot water of a conventional radiator.

[Explanation of symbols]

 A radiator 3 collecting pipe 4 minute pipe 10 outflow pipe 20 inflow pipe 20A inclined cut surface P1 to P5 hot water circulation pipe

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Minoru Sugimoto 1 Otsuki-machi, Ashikaga, Tochigi Prefecture Sanyo Electric Air Conditioning Co., Ltd. F-term (for reference) 3L070 BC02 BC15 BC16 3L073 BB03 BB05

Claims (1)

[Claims] 1. A horizontal distribution pipe, which is provided on a lower side and is connected to an inflow pipe for inflow of hot water at an intermediate portion in the axial direction, and an outflow pipe for hot water outflow is provided at an upper end thereof. Heat radiation of a hot water heating device having a connected collecting pipe and a plurality of hot water circulation pipes provided at intervals between the collecting pipe and the distribution pipe and flowing hot water from the distribution pipe to the collecting pipe In the vessel, while inserting the upper end portion of the inflow pipe into the distribution pipe,
The upper end portion has an inclined cut surface that is cut obliquely, and the inclined cut surface is directed to the opposite side to the hot water circulation pipe arranged closer to the outflow pipe than the inflow pipe. The radiator of the hot water heater.