JP2000220854A - Connecting device for hot-water room heating machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a wiring work in a connecting device for hot-water room heating by providing a power supply plug socket for an indoor machine on a connecting box. SOLUTION: A connecting device for a hot-water room heating machine which connects hot-water pipes 4a, 4b for connecting an outdoor machine 2 to an indoor machine 3, a power supply wire 12 for supplying an electric power to the outdoor machine 2, and a signal wire 5 for connecting the outdoor machine 2 and the indoor machine 3 through a wall 1, is provided with a connecting box 10 mounted so as to cover a mounting hole provided on the wall 1, and a power supply chord 7 for supplying a power to the connecting box 10. The connecting box 10 is provided therein with a coupling tube 13, connecting the hot-water pipes 4a, 4b mutually, a first plug socket 15, to which the power supply line 12 is connected, a connector 14, connecting the signal wires 5 mutually, and a second plug socket 8, through which power is supplied to the first plug socket 15 so as to be synchronized with the power supply to the first plug socket 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection device for a hot water heating system in which a power supply for an outdoor unit and an indoor unit can be performed from one place in a hot water heating system.

[0002]

2. Description of the Related Art In a conventional hot water heating system, FIG.
As shown in FIG. 5, hot water pipes 4a, 4b penetrate a wall 1 between a heat source unit 2 installed outdoors and a radiator 3 installed indoors.
The power supply line 12 and the signal line 5 are connected, and the power supply to the heat source unit 2 is supplied via the power supply line 12, and the power supply to the radiator 3 is provided by a general power supply outlet provided alone on the wall 1 or the like. 6, the heat source unit 2 and the radiator 3
There is no relevance to the power supply of the power outlets, and separate power outlets 6
Was used.

[0003]

However, when power is supplied to the heat source unit and the radiator from separate power outlets as in a conventional hot water heating system, two power outlets are required. In a situation where only one unit can be used, it is necessary to increase the number of units. It is also possible to use a commercially available extension outlet or the like, but this is not preferable in appearance.

In addition, the location of the radiator, the position of the connection,
Depending on the location of the power outlet, the wiring of the power cords of the heat source unit and the radiator, and the hot water pipe and the power cord of the radiator became uneven, and it was not possible to perform neat wiring, and it was not possible to secure an aesthetically favorable state .

[0005]

In order to solve the above-mentioned problems, the present invention provides a hot water pipe connecting an outdoor unit having a built-in heating circuit and an indoor unit having a built-in heat radiation circuit, and supplying power to the outdoor unit. In a hot water heater connection device for connecting a power line and a control signal cable connecting the outdoor unit and the indoor unit through a wall, the hot water heater connection device covers a mounting hole provided in the wall. A connection box attached to the connection box, a power cord for supplying power to the connection box, and the like. A joint pipe for connecting the hot water pipes to each other in the connection box and a first power supply line connected to the power supply line
And a connector for connecting the control signal cables to each other, and a second outlet for supplying power in synchronization with power supply to the first outlet.

According to the above invention, the second power supply is performed in synchronization with the first outlet for supplying power to the outdoor unit.
Is installed in the connection device for the hot water heater, so that only one power outlet need be prepared by supplying power to the indoor unit using the second outlet, thereby simplifying wiring work. And the power cord can be wired in the same route as the hot water pipe of the radiator, so that the hot water pipe and the power cord are not separated from each other. Can be improved.

Further, since the power supply is performed in synchronization with the outdoor unit and the indoor unit, imbalance in operation can be avoided.
Either one can solve the problem caused by the non-operation.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A hot water heater connection device according to a first aspect of the present invention includes a hot water pipe connecting an outdoor unit having a built-in heating circuit and an indoor unit having a heat dissipation circuit, and supplying power to the outdoor unit. In a hot water heater connection device for connecting a power supply line to be supplied and a control signal cable for connecting the outdoor unit and the indoor unit through a wall, the hot water heater connection device covers a mounting hole provided in the wall. Box, a power cord for supplying power to the connection box, a joint pipe for connecting the hot water pipes to each other, and a first outlet to which the power line is connected. And a connector for connecting the control signal cables to each other, and a second outlet for supplying power in synchronization with power supply to the first outlet. It is set to.

Further, in the connection device for a hot water heater according to a second aspect, the second outlet is for connecting a power cord of an indoor unit.

Since the second outlet for supplying power in synchronization with the first outlet for supplying power to the outdoor unit is incorporated in the connection device for a hot water heater, the second outlet is used. By only supplying one power outlet by supplying power to the indoor unit, the wiring work can be simplified and the power cord can be wired in the same route as the hot water pipe of the radiator. The aesthetic appearance can be improved by performing neat wiring along the hot water pipe without separate hot water pipes and power cords.

Further, since the power supply is performed in synchronization with the outdoor unit and the indoor unit, imbalance in operation can be avoided.
Either one can solve the problem caused by the non-operation.

Further, in the connection device for a hot water heater according to a third aspect, the second outlet is provided in a power cord for supplying power to the connection box.

[0013] By providing the power cord with the second outlet, it is possible to secure compact storage without changing the size of the hot water heater connection device.

According to a fourth aspect of the present invention, the power supply cord for supplying power to the connection box has a plurality of connection portions, and all the connection portions have the same shape.

According to a fifth aspect of the present invention, the power supply cord for supplying power to the connection box is formed by a second outlet having a connection port in a direction substantially perpendicular to a connection portion connected to the first outlet. Thus, the shape of both connecting portions is the same.

In all of the plurality of connection points,
By enabling connection to the first outlet, the direction of the second outlet, which is another connection point, can be changed as appropriate, so that the insertion direction of the power cord of the radiator can be easily changed.

In the connection device for a hot water heater according to a sixth aspect of the present invention, a power supply cord for supplying power to the connection box is configured such that a connection portion is rotatable.

Further, by making the connection portion rotatable, the direction of the second outlet can be freely set, and the power cord of the radiator can be inserted from any direction.

According to a seventh aspect of the present invention, in the hot water heater connecting device, the hot water pipe connecting the indoor unit and the joint pipe is provided with a bundle guide portion for guiding a power cord of the indoor unit connected to the second outlet. Configuration.

By arranging the power supply cord of the indoor unit connected to the second outlet using the bundle guide, it is possible to reliably perform the wiring along the hot water pipe and improve the appearance.

[0021]

(Embodiment 1) Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings. FIG. 1 is a diagram of a hot water heating system using a hot water heater connection device according to a first embodiment of the present invention, and FIG. 2 is a diagram illustrating a power supply mode.

In FIG. 1, an outdoor unit 2 having a heating circuit such as a burner or a heat exchanger is installed outside a room separated by a wall 1. On the other hand, an indoor unit 3 having a radiator, a fan, and the like is disposed in the room, and the two are connected by a pair of hot water pipes 4a and 4b including an outward path and a return path, and circulates hot water supplied from the outdoor unit 2. By doing so, heat is exchanged in the indoor unit 3 to blow warm air into the room and heat the room. In addition, operation control such as operation start and stop of the outdoor unit 2 is controlled by a controller (not shown) built in the indoor unit 3 through a signal line 5.
Power is supplied to the outdoor unit 2 from a power cord 7 connected to a commercial power outlet 6 in the room. In order to supply electric power to the indoor unit 3, a second outlet 8 serving as a relay terminal for branching is provided in the middle of a power supply path supplied from a power cord 7 connected to the commercial power outlet 6. 8 is connected to the power cord 9 of the indoor unit 3.

A hot water pipe 4 connecting these indoors and outdoors
a, 4b, signal line 5, and power cords 7, 9 are all walls 1
Are connected to each other, and are joined to each other by the connection boxes 10. That is, a sleeve 11 is inserted into a single wall hole in the wall 1, and the hot water pipes 4 a and 4 b, the signal line 5, and the power line 12 of the outdoor unit 2 are inserted into the sleeve 11.
The connection box 10 is attached to the wall 1 so as to cover the wall hole. Inside the connection box 10, a joint pipe 13 for joining the hot water pipes 4a and 4b from the outdoor unit 2 and the indoor unit 3 and a signal line 5 are provided. A first outlet 15 is provided for connecting a connector 14 for relaying and a power cord 7 for supplying power from a commercial power outlet 6 in a room, and power is supplied to another location in synchronization with the first outlet 15. A second outlet 8 to be used is provided. The power cord 9 of the indoor unit 3 is connected to the second outlet 8, so that power can be supplied in synchronization with the outdoor unit 3.

A bundle guide 16 for connecting the power cord 9 of the indoor unit 3 to the second outlet 8 along the hot water pipes 4a and 4b is provided on the hot water pipe 4a or 4b from the indoor unit 3. Provided.

In this embodiment, as shown in FIG. 2, the second outlet 8 is formed as a connection portion of a power cord 7 for supplying power from the commercial power outlet 6 to the first outlet 15. Care is taken not to make the shape of the connection box 10 large, and power is supplied reliably in synchronization with the first outlet 15. That is, the plug side 7 a of the power cord 7 is inserted into the commercial power outlet 6 provided on the wall 1, and the other connection portion 7 b is inserted into the first outlet 15 provided in the connection box 10. Then, by plugging the power cord 9 of the indoor unit 3 into the second outlet 8 provided on the opposite side to the connection portion 7b,
The power supply to the outdoor unit 2 and the outdoor unit 3 can be performed at the same time, so that only one commercial power outlet 6 needs to be used, the usability can be improved, and all connections between the outdoor unit 2 and the indoor unit 3 can be performed. This can be performed in the connection box 10, and the piping work and the wiring work can be made compact.

(Embodiment 2) FIG. 3 shows the configuration of a second outlet according to Embodiment 2 of the present invention. The same parts as in Example 1
The same reference numerals are given and the description is omitted.

In the second embodiment, a plurality of connection portions formed at the end of the power cord 7 are provided, and the connection shape of all the connection portions is made the same so that the direction of the connection port of the second outlet 8 can be appropriately changed. It is. That is, the first outlet 15
By making the shape of the connection portion 7b and the second outlet 8 the same, connection can be made on either side, and the connection direction can be appropriately changed by changing the connection location.

In this embodiment, the number of connection points is two,
Although the configuration is described as being arranged at right angles, the arrangement is not limited to two, and the arrangement is not limited to right angles.

(Embodiment 3) FIG. 4 shows the configuration of a second outlet according to Embodiment 3 of the present invention. The same parts as in Example 1
The same reference numerals are given and the description is omitted.

In the third embodiment, a rotating means 17 is provided at the connection portion of the power cord 7, and the second outlet 8 is configured to be freely rotatable so that the connection direction can be arbitrarily changed. That is, after connecting the connecting portion 7b to the first outlet 15, the second outlet 8 can be freely rotated in the direction of the arrow.

[0031]

As described above, according to the connecting device for a hot water heater of the first and second aspects, the second outlet for supplying power in synchronization with the first outlet for supplying power to the outdoor unit. Is installed in the hot water heater connection device, so that only one power outlet needs to be prepared by supplying power to the indoor unit using the second outlet, thereby simplifying wiring work. In addition, since the power cord can be wired in the same route as the hot water pipe of the radiator, the hot water pipe and the power cord do not have to be separated from each other. can do.

Further, since power is supplied to the outdoor unit and the indoor unit in synchronization with each other, imbalance in operation can be avoided.
Either one can solve the problem caused by the non-operation.

Further, according to the third aspect of the present invention, since the second outlet is provided in the power cord, the size of the hot water heater connection device can be changed. Compact storage can be secured.

Further, according to the connecting device for a hot water heater of the fourth and fifth aspects, the connection to the first outlet is enabled at all of the plurality of connection points, so that the other connection points can be connected. Since the direction of the outlet 2 can be appropriately changed, the insertion direction of the power cord of the radiator can be easily changed.

Further, according to the connecting device for a hot water heater of the sixth aspect, the connecting portion is configured to be rotatable, so that the second
The direction of the outlet can be freely set, and the power cord of the radiator can be inserted from any direction.

Further, according to the connecting device for a hot water heater of the seventh aspect, the power supply cord of the indoor unit connected to the second outlet is wired using the bundled wire guide, so that the wiring along the hot water pipe is surely performed. Is possible, and the appearance can be improved.

[Brief description of the drawings]

FIG. 1 is a diagram showing a hot water heating system using a hot water heater connection device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a power supply mode in the apparatus.

FIG. 3 is a configuration diagram of an outlet of a connection device for a hot water heater in Embodiment 2 of the present invention.

FIG. 4 is a configuration diagram of an outlet of a connection device for a hot water heater in Embodiment 3 of the present invention.

FIG. 5 is a diagram of a conventional hot water heating system.

[Explanation of symbols]

 2 Outdoor unit 3 Indoor unit 4a Hot water pipe 4b Hot water pipe 5 Signal line 7 Power cord 8 Second outlet 10 Connection box 12 Power line 13 Joint pipe 14 Connector 15 First outlet

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shigeru Murakami 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture F-term in Matsushita Electric Industrial Co., Ltd. 3L070 BC02 BC17

Claims (7)

[Claims] A hot water pipe connecting an outdoor unit having a built-in heating circuit and an indoor unit having a heat dissipation circuit, a power supply line for supplying power to the outdoor unit, and a control signal for connecting the outdoor unit and the indoor unit. In a connecting device for a hot water heater for connecting a cable through a wall, the connecting device for a hot water heater supplies a connection box attached so as to cover a mounting hole provided in the wall, and supplies power to the connection box. A power supply cord is provided, and a joint pipe for connecting the hot water pipes, a first outlet to which the power supply line is connected, and a connector for connecting the control signal cables are provided in the connection box, A connection device for a hot water heater having a second outlet to which power is supplied in synchronization with power supply to the first outlet. 2. The connection device for a hot water heater according to claim 1, wherein the second outlet is for connecting a power cord of the indoor unit. 3. The connection device for a hot water heater according to claim 1, wherein the second outlet is provided on a power cord for supplying power to the connection box. 4. The connection device for a hot water heater according to claim 1, wherein the power supply cord for supplying power to the connection box has a plurality of connection portions and all the connection portions have the same shape. 5. The power supply cord for supplying power to the connection box comprises a connection portion connected to the first outlet and a second outlet having a connection port in a direction substantially perpendicular to the first outlet, and both connection portions have the same shape. Item 5. The connection device for a hot water heater according to any one of Items 1 to 4. 6. The connection device for a hot water heater according to claim 1, wherein a power supply cord for supplying power to the connection box has a structure in which a connection portion is rotatable. 7. A hot water heater for a hot water heater according to claim 1, wherein the hot water pipe connecting the indoor unit and the joint pipe is provided with a bundle guide portion for guiding a power cord of the indoor unit connected to the second outlet. Connection device.