JPH1096521A - Hot water floor-heating system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate connection of floor heating panels to a hot water unit in parallel and ease and enhance workability as well. SOLUTION: A joint member 15 is mounted on a second end 13 of a first pipeline 10 of a T joint 9 laid out on the same side with regard to the in-flow or the flow-out of hot water, which makes it possible to connect a plurality of floor heating panels 1 in parallel in a feed and return line of hot water circulation while a fit-in groove is formed on the T joint along the outer periphery of a second end 13 of a first pipeline 16. A plurality of spherical members, which are depressed in the pipeline direction with an elastic member, is provided on the inner periphery of the joint member 15. When the joint member 15 is mounted on the second end 13 of the first pipeline of the T joint 9, the sphere- shaped members are fitted in the fit-in groove of the T joint 9 so that they may be connected instantly.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water floor heating system. More specifically, the present invention relates to a hot water floor heating system that facilitates and facilitates parallel connection of floor heating panels to a hot water unit and improves workability.

[0002]

2. Description of the Related Art Floor heating systems have been known as one measure for indoor heating of houses and the like, and hot water floor heating systems using hot water as a heat medium have been provided.
A hot water floor heating system can be schematically illustrated, for example, in FIG. This hot water floor heating system constitutes a floor surface and has a floor heating panel (1) in which an internal flow path of hot water is formed, and supplies and circulates hot water to the floor heating panel (1) by heating water to a predetermined temperature. And a hot water unit (2). In the hot water heating system, each of the plurality of floor heating panels (1) is connected in parallel to a hot water circulation forward path (3) and a return path (4) extending from the hot water unit (2).

That is, headers (5) and (6) having a plurality of connecting portions provided at predetermined intervals in the length direction are connected to the end of the forward path (3) of the hot water circulation and the tip of the return path (4).
A branch line (7) extending to the hot water inflow side of the internal flow path of the floor heating panel (1) is connected to a connection portion of the header (5) connected to the end of the outward path (3), and a branch line extending from the hot water outflow side. Header (6) with pipe (8) connected to the end of return path (4)
Connected to the connection section.

[0004] By such parallel connection of the floor heating panel (1) and the hot water unit (2), each floor heating panel (1) is connected.
A circulation path of hot water is formed between the hot water unit and the hot water unit (2).

[0005]

However, in the conventional hot water floor heating system shown in FIG. 11, the header (5) () is connected to the floor heating panel (1) and the hot water unit (2) in parallel. Although the connection member 6) is required, the number of floor heating panels (1) to be installed depends on the shape and size of the floor on which the floor heating panels (1) are laid, and is not uniform. In (5) and (6), the length of each floor heating panel (1) must be adjusted according to the number of floor heating panels (1) installed, which is determined by the shape and size of the floor surface. With the length adjustment, the header (5) located at the end of the forward path (3) of the hot water circulation and at the end of the return path (4).
The end portions (A) and (B) of (6) also required a water stoppage treatment.

As described above, in the conventional hot water floor heating system, an improvement is required in the connection system between the floor heating panel (1) and the hot water unit (2). The present invention has been made in view of the above circumstances, and solves the drawbacks of connecting a floor heating panel and a hot water unit in a conventional hot water floor heating system, and arranges a floor heating panel in parallel with a hot water unit. It is an object of the present invention to provide a hot water floor heating system that can be easily and easily connected and has good workability.

[0007]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems by providing a floor heating panel having a floor surface and an internal flow path of hot water formed therein, and heating the water to a predetermined temperature. A hot water unit for supplying and circulating hot water to the floor heating panel, and a first end of a branch pipe extending from each of the hot water inflow side and the outflow side of the floor heating panel internal flow path.
And a T-shaped pipe having a second pipe that is orthogonally connected to the T-shaped pipe is connected at the second pipe, and the first pipe of the T-shaped pipe is located near the floor heating panel side end. A first end and a second end opposite to the first end, and a hot water circulation reciprocating path provided with a joint member at a tip end capable of being connected to the second end. A mains line to be formed is connected to the first end of the T-tube first line and connects the joint member to the second side of the T-tube first line which is located on the same side with respect to the inflow and outflow of hot water. A hot water floor heating system that can be connected in parallel to a plurality of hot water units in a hot water circulation reciprocating path by being attached to an end of the hot water circulation,
A fitting groove is formed in the T-shaped pipe along the outer periphery of the second end of the first pipe, and the joint member is formed of a plurality of spherical members pressed in the pipe direction by an elastic member. Provided on the inner circumference, when mounted on the second end of the first pipe of the T-tube, the spherical member is fitted into the fitting groove of the T-tube so that one-touch connection is possible. A hot-water floor heating system is provided.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The hot water floor heating system according to the present invention will be described below in more detail with reference to the accompanying drawings.

[0009]

1 is a plan view schematically showing a floor heating panel used in a hot water floor heating system according to the present invention. For example, as shown in FIG. 1, the floor heating panel (1) used in the hot-water floor heating system of the present invention includes:
A T-tube (9) is provided at the end of each of the branch pipes (7) and (8) extending from each of the hot water inflow side and the outflow side of the internal flow path. The T-tube (9) has a first pipe (10) and a second pipe (11) that is orthogonally connected to the first pipe (10), and a branch pipe (7) () extending from the floor heating panel (1). The end of 8) is connected to the second conduit (11) of the T-tube (9).

In the T-tube (9), a first pipe (10) has a first end (12) arranged near a side end of the floor heating panel (1), and a first end (12) arranged opposite to the first end. A second, opposing, second end (13) is formed. Of these,
The first end (12) is connected to a main pipe (14) that forms a reciprocating path for hot water circulation. Main line piping (14)
At the tip of the first pipe (1) formed in the T-tube (9).
A joint member (15), which allows connection to the second end (13) of (0), is mounted.

By adopting the floor heating panel (1) having such a configuration, in the hot water floor heating system of the present invention, it is desired to improve the header (1) which is desired to be improved in the conventional hot water floor heating system shown in FIG. 5) (6) can be omitted. That is, as shown in FIG.
In the hot water floor heating system of the present invention, for example, between the floor heating panels (1) arranged adjacent to each other, the joint member (15) located on the hot water inflow side is replaced with a T-shaped pipe (15) also arranged on the hot water inflow side. 13) first conduit (10)
To the second end (13). Similarly, the joint member (15) located on the hot water outflow side is connected to the second end (13) of the first pipe (10) of the T-tube (13) also arranged on the hot water outflow side. Mounting. By the connection between the T-tube (13) and the joint member (15), for example, as shown in FIG. 2, the main water pipe (14) forms the hot water circulation reciprocating paths (3) and (4). In this round trip path (3) (4), the floor heating panel (1) is connected in parallel to the hot water unit (2). A circulation path for hot water is formed between each floor heating panel (1) and the hot water unit (2) via a branch line (7).

In the hot water floor heating system according to the present invention, in order to simplify and easily connect the floor heating panel (1) and the hot water unit (2) in parallel and realize excellent workability, FIG. T as shown in <a><b>
A tube (9) and a joint member (15) can be employed. That is, as shown in FIG. 3A, the T-tube (9) has the second end (1) of the first conduit (10).
A fitting groove (16) is formed along the outer periphery of (3).
On the other hand, as shown in FIG.
5), a plurality of spherical members (17) are provided on the inner periphery thereof, and an elastic member (18) such as a spring for pressing the spherical members (17) in the pipe direction is also provided. In the joint member (15), the spherical member (1
A press ring (19) is interposed between the elastic member (7) and the elastic member (18), and the elastic force of the elastic member (18) acts on the spherical member (17) via the press ring (19). Like that.

In the T-tube (9) and the joint member (15), when the joint member (15) is mounted on the T-tube (9), the joint member (15) is connected to the T-tube (13). Second end (13) of the first conduit (10)
The spherical member (17) provided on the inner periphery is opposite to the insertion direction by the outer peripheral surface of the second end (13) of the first conduit (10) of the T-tube (9). It is pushed in the direction. At this time, the pressing force acts on the elastic member (18) via the pressing ring (19), and the elastic member (18) is compressed and elastic energy is accumulated. Next, when the spherical member (17) reaches the fitting groove (16), the pressing force applied to the elastic member (18) disappears, and as a result, the accumulated elastic energy is released. The spherical member (17) fits into the fitting groove (16), and the joint member (15) is mounted on the T-tube (9).

As described above, the attachment of the joint member (15) to the T-tube (9) is performed by connecting the joint member (15) to the second end of the first conduit (10) of the T-tube (13). Department (13)
It is realized simply by plugging in, and its mounting is a one-touch type. Therefore, the parallel connection of the floor heating panel (1) and the hot water unit (2) is simple and easy, and the workability is good.

As shown in FIG. 3A, the T-tube (9) is provided with a second pipe (10) of the first pipe (10) for preventing leakage of hot water and improving watertightness. One or more O-rings (20) can be provided on the outer periphery of the end of the end (13). Similarly, a nut (21) is provided at the connection between the branch pipes (7) and (8) and the second pipe (11) to prevent leakage of hot water and increase watertightness. Can also.

Further, in the hot water floor heating system of the present invention, as shown in FIGS. 3A and 3B, in order to prevent erroneous connection between the T-tube (9) and the joint member (15). , Main line piping (14), joint member (15),
And a branch line pipe (7) such as a nut (21)
The connecting portion of the T-tube (9) at the end of (8) with the second pipeline (11) is color-coded on the hot water inflow side and the hot water outflow side, and at the construction site, the forward path (3) and the return path (4). ) Can be easily determined.

For example, as illustrated in FIG. 4, at the construction site, there is a possibility that the T-tube (9) on the other side to which the joint member (15) is mounted is erroneously selected.
Originally, the T-tube (9) between the inflow side and the outflow side of the hot water and the joint member (15) must be connected, as shown in FIG. 4, to the opposite side. Sometimes. When such an erroneous connection occurs, the reciprocating paths (3) and (4) shown in FIG. 2 are not correctly formed, so that not only the original function of the hot water floor heating system cannot be obtained, but also the T-tube (9). And joint members (15)
The reliability with respect to water leakage at the connection portion with the cable is also impaired.

Therefore, in the hot water floor heating system of the present invention, by adopting the above-described color coding, occurrence of erroneous connection can be prevented, and such inconvenience can be solved. Each part can be colored either partially or entirely, and the colored color can be easily identified, for example, a combination of white and black, blue and orange, and the like.

Furthermore, in the hot-water floor heating system of the present invention, the type of floor heating panel (1) used for the system is one, facilitating production and inventory management.
The arrangement and construction arrangement of the floor heating panel (1) can be simplified to prevent construction errors. In the hot water floor heating system of the present invention, as is apparent from FIG. 2, the joint member (15) is provided at the T-tube (9) disposed at the end of the outward path (3) of the hot water circulation and at the distal end of the return path (4). ) Is not attached. To complete round trips (3) and (4), T
The first and second ends (12, 13) of the unconnected side of the first conduit (10) of the tubing (9) must be shut off, which is illustrated for example in FIG. L-shaped tube (22)
In this case, three types of floor heating panels (1) as shown in FIGS. 5A, 5B, and 5C are required.

FIG. 5A shows a floor heating panel (1) which forms the end of the forward path (3) of the hot water circulation illustrated in FIG. 2 and is disposed here. FIG. The floor heating panel (1) which forms the tip of the return path (4) of the hot water circulation and is arranged here is shown. The floor heating panels (1) shown in FIGS. 5A and 5C are generally arranged at both ends of the floor. On the other hand, the floor heating panel (1) shown in FIG. 5 <b> is arranged between the floor heating panels (1) shown in FIG. 5 <a><c>.

The L-shaped tube (22) is shown in FIG.
As shown in the figure, the branch pipes (7) and (8) to be connected differ depending on which side of the reciprocating paths (3) and (4) are arranged, and an L-shaped pipe (22) having the same configuration is used. Even so, there are three types of floor heating panels (1) to be produced. This is inconvenient for production and inventory management,
In addition, it is necessary to carefully arrange and arrange the floor heating panel (1), and there is a risk that a construction error may occur.

Therefore, in the hot water floor heating system of the present invention, the L-shaped tube (22) is not used, and only one floor heating panel (1) shown in FIG. ) Is not installed and the outgoing path of hot water circulation (3)
T-tube (9) located at the end of the car and at the tip of the return path (4)
About the water stop member (23) as illustrated in FIG.
Can be attached.

The water stopping member (23) shown in FIG. 6 has a T-shaped pipe (9) attached to the second end (13) of the first pipe (10) in FIG. The configuration is shared with the joint member (15) shown in b>, and parts are shared. That is, the water blocking member (23) is provided with a plurality of spherical members (17) on the inner periphery thereof.
An elastic member (18), such as a spring, is provided for pressing 7) in the pipe direction. In addition, the spherical member (1
A holding ring (19) is interposed between the elastic member (7) and the elastic member (18), and the elastic force of the elastic member (18) acts on the spherical member (17) via the holding ring (19). Like that. Therefore, the attachment of the T-tube (9) to the second end (13) of the first conduit (10) is of the one-touch type just like the joint member (15).

On the other hand, in the water blocking member (23), a sealing component (26) is attached to the closed end (25) so that the closed end (25) is formed opposite to the open end (24). And it has a sealing function. Such a water stop member (2
The T-tube (9) provided on the floor heating panel (1) which forms the end of the forward path (3) and the end of the return path (4) of the hot water circulation illustrated in FIG. The second end (13) is closed by attaching to the second end (13) of the first conduit (10) on the side to be water-stopped, and the reciprocating path (3) (4) Is completed. The floor heating panel (1) used in the hot water floor heating system can be of only one type, which facilitates production and inventory management. In addition, the arrangement and construction arrangement of the floor heating panel (1) is simplified, and the occurrence of construction errors is effectively prevented. Moreover, the water blocking member (23)
Since the structure of the joint member (15) is partially common to that of the joint member (15) and the parts are shared, mounting on the T-tube (9) is not different from that of the joint member (15), and is simple and easy. is there. Further, the fabrication is easy, and the cost can be reduced.

In the hot water floor heating system of the present invention, the hot water circulation reciprocating paths (3) and (4) are formed together with the main line pipe (14), and the floor heating panel (1) and the hot water unit (2) are connected. 8 is connected to the connecting pipe (27) connecting the floor heating panel (1) and the hot water unit (2).
The L-shaped plug (28) as exemplified in (1) can be used.

The L-shaped plug (28) illustrated in FIG.
Has a substantially L-shaped shape, and an internal flow path (29) is formed along the outer shape. At one end,
A connection part (30) for the floor heating panel (1) and the hot water unit (2) is formed, and a connection part (31) for the communication pipe (27) is formed at the other end. A joint member (15) provided at the end of a main pipe (14) extending from the floor heating panel (1) illustrated in FIG. 3 <b> is connected to the connection portion (30). (30) adopts the same configuration as the second end (13) of the first conduit (10) of the T-tube (9) illustrated in FIG. 3 <a>.

That is, the connecting portion (30) has a fitting groove (16) formed along its outer periphery. By doing so, the connection between the communication pipe (27) and the floor heating panel (1) and the hot water unit (2) is also one-touch type, and the connection is simple and easy, which contributes to improvement in workability. One or more O-rings (20) may be provided on the outer periphery of the connection portion (30) at the tip thereof in order to prevent leakage of hot water and increase watertightness.

On the other hand, the connecting part (31) of the connecting pipe (27)
A plurality of detachment prevention rings (32) each having a substantially truncated conical shape are continuously provided at the tip of the. The detachment prevention ring (32) is connected to the first end (12) of the first conduit (10) to which the main pipe (14) of the T-tube (9) illustrated in FIG. ) And a connection portion of the main line pipe (14) of the joint member (15) exemplified in FIG. 3 <b>, but an end face having a small outer diameter on the side where the pipe member is mounted. Are arranged so that a step is formed by the continuous arrangement. By doing so, the resistance can be reduced in the direction in which the pipe member is mounted, facilitating the mounting work, and resistance can be added to prevent the pipe member from coming off.

Such an L-shaped plug (28) can be attached to both ends of the communication pipe (27) as illustrated in FIG. As illustrated in FIG. 8, the end of the communication pipe (27) can be tightened with a tightening member (33) such as a spring band in order to more effectively prevent detachment. In addition, a heat insulating material (34) may be provided on the outer periphery of the communication pipe (27) to prevent heat radiation from flowing hot water here.

As shown in FIGS. 9 and 10, an example of the use of the L-shaped plug (28) is a connection between the connecting pipe (27) and the floor heating panel (1) and the hot water unit (2).
And it is effective in reducing the bending stress applied to the communication pipe (27) itself. Does not require great power when connecting,
Further, the reliability of the connection part against water leakage can be improved. Furthermore, as illustrated in FIG. 10, when the hot water unit (2) is installed near the outer wall (35) as an outdoor unit, the hot water unit (2) is disposed closer to the outer wall (35). It is also effective in reducing the space for piping.

In the hot water floor heating system of the present invention, not only the L-shaped plug (28) is provided at the end of the communication pipe (27), but also the counterpart to which the end of the communication pipe (27) is connected. Is approximately L used in this L-type plug (28).
It is also possible to have a character shape. Of course, this invention
It is not limited by the above example. It goes without saying that various aspects are possible for details such as the configuration and structure of the floor heating panel and the hot water unit.

[0032]

As described above in detail, according to the present invention, the parallel connection of the floor heating panel to the hot water unit becomes simple and easy, and the workability of the hot water floor heating system can be improved.

[Brief description of the drawings]

FIG. 1 is a plan view schematically showing a floor heating panel used in a hot water floor heating system of the present invention.

FIG. 2 is a configuration diagram showing an outline of a hot water floor heating system of the present invention.

FIGS. 3A and 3B are partially cutaway side views showing an example of a T-tube and a joint member in the hot water floor heating system of the present invention.

FIG. 4 is a plan view showing a state of incorrect connection between a T-tube and a joint member.

FIGS. 5A to 5C are plan views each showing an assumed form of a floor heating panel.

FIG. 6 is a partially cutaway side view showing an example of a water stopping member that can be used in the hot water floor heating system of the present invention.

FIG. 7 is a partially cutaway side view showing an example of an L-type plug.

FIG. 8 is a plan view showing an example of a communication pipe to which an L-shaped plug is connected.

FIG. 9 is a main part side view showing a state of connection between a communication pipe and an underfloor heating panel using an L-shaped plug.

FIG. 10 is a plan view showing a state of connection between a communication pipe and a hot water unit using an L-type plug.

FIG. 11 is a block diagram schematically showing a conventional hot water floor heating system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor heating panel 2 Hot water unit 3 Outgoing path 4 Return path 7, 8 Branch line piping 9 T-shaped pipe 10 1st pipeline 11 2nd pipeline 12 1st end 13 2nd end 14 Main line piping 15 Joint member DESCRIPTION OF SYMBOLS 16 Fitting groove 17 Spherical member 18 Elastic member 19 Holding ring 20 O-ring 21 Nut 22 L-shaped tube 23 Waterproof member 24 Open end 25 Closed end 26 Sealing part 27 Communication pipe 28 L-shaped plug 29 Internal flow path 30, 31 Connection Part 32 Pull-out prevention ring 33 Tightening member 34 Insulation material 35 Outer wall

Continued on the front page (72) Inventor Soichiro Kawada 1048 Kazuma, Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd.

Claims (3)

[Claims] 1. A floor heating panel having a floor surface and an internal flow path of hot water formed therein, and a hot water unit for heating water to a predetermined temperature to supply and circulate hot water to the floor heating panel, At the end of a branch pipe extending from each of the hot water inflow side and the outflow side of the heating panel internal flow path, a T-shaped pipe having a first pipe and a second pipe orthogonally communicating with the first pipe, 2 and the first of the T-tubes
Has a first end located near the floor heating panel end and a second end opposite to the first end, and is capable of being connected to the second end. Is connected to the first end of the T-tube first conduit, and the joint member is arranged on the same side with respect to inflow and outflow of hot water. A hot water floor heating system, wherein a plurality of floor heating panels can be connected in parallel to a hot water unit in a hot water circulation reciprocating path by being attached to a second end of a T-shaped pipe first pipe line, The pipe has a fitting groove formed along the outer circumference of the second end of the first pipe, and the joint member has a plurality of spherical members pressed in the pipe direction by an elastic member on the inner circumference. When mounted on the second end of the T-tube first conduit, its spherical member is Fitted into serial fitting groove, hot water floor heating systems, characterized in that there is a possible one-touch connection. 2. The floor heating panel, wherein a main line pipe, a joint member, and a connection portion of a branch pipe end to a T-shaped second pipe are color-coded on an inflow side and an outflow side of hot water. Item 2. The hot water floor heating system according to Item 1. 3. A T-shaped pipe which is not provided with a joint member and which is disposed at a forward end of the hot water circulation and a forward end of the hot water circulation, has a second end portion of the first pipe to which the joint member is not provided,
The open end and the closed end are arranged to face each other, and a water-stopping member provided on the inner periphery with a plurality of spherical members pressed toward the open end by an elastic member is mounted. 2. The hot water floor heating system according to claim 1, wherein the hot water floor heating system is fitted in a fitting groove formed on an outer periphery of a second end of the T-shaped first pipe so as to enable one-touch connection.