JPS6030657Y2 - bath equipment - Google Patents

Description

[Detailed Description of the Invention] The purpose of the present invention is to prevent heat radiation during non-heating in a circulating bath system.

In conventional circulation bath systems, when heating is stopped after the bath has heated up, a chimney creates a flow of cold air inside the bathtub, which cools the heat exchanger.

The water temperature in the heat radiation exchanger becomes lower than the water temperature in the bathtub, and circulation occurs in the opposite direction to that during heating.

For this reason, the water temperature in the bathtub decreased, resulting in a large heat radiation loss.

Methods to prevent this heat radiation include a method of stopping the flow in the circulation pipe and a method of blocking the exhaust pipe of the bathtub.

However, if you try to apply these methods to existing bath equipment, you will have to manufacture a new device and attach it to the bath equipment, which is time consuming and time consuming.
It was necessary to modify the equipment.

Therefore, the present invention attempts to prevent heat radiation from the bath equipment by changing the position of the pilot burner.

The configuration of the present invention will be explained below using embodiments shown in the drawings.

The bath device consists of a bathtub 2 filled with water 1, and a bathtub body 5 connected to the bathtub 2 by a suction circulation pipe 3 and a discharge circulation pipe 4. Inside the bathtub body 5 are circulating water, A heat exchanger 8 for exchanging heat with the combustion gas 7 combusted by the main burner 6 is positioned.

Further, a pilot burner 9 is located near the main burner 6, and this pilot burner 9 is located so as to heat a part of the suction circulation pipe 3, and the flame of the pilot burner 9 is transmitted to the flame distribution plate 1.
0, main burner Japanese flame 11 and circulation pipe heating flame 1
It is divided into 2 and 2.

Alternatively, as shown in FIG. 2, a part of the heat exchanger near the joint between the circulation pipe 3' and the heat exchanger 8'
heated by.

In this case, a recess 13 or the like is provided in the part of the heat exchanger that is heated by the pilot flame to improve the ignition characteristics of the main after the pilot flame, and the heat exchange area of this part is expanded. According to the method, as shown in Fig. 3.4, a fin 13' is provided so that the water temperature in the heat exchanger increases even in a pilot burner with a small calorific value.

In addition, in Fig. 5, heat is conducted from the pilot flame to the water side of the heat exchanger near the joining part of the circulation pipe 3'' and the heat exchanger 8'' at a position corresponding to the circulation pipe or below it. Configured.

For example, one end of a heat pipe or a rod 14 of a material with excellent thermal conductivity is located, and the other end is located outside the heat exchanger and is heated by a pilot burner 9'.

As mentioned above, by making the pilot burner of the main burner into a structure that can be used for heating the circulation tube or as a burner for measuring the rise in water temperature in a part of the heat exchanger, the present invention has the following effects. It has the following.

In other words, conventionally, the pilot burner is located away from the heat exchanger so that it can only be used as a pilot for the main burner, or even if it is located so that its heat heats the heat exchanger. Because the amount of water in the heat exchanger was large, the heat alone could not raise the temperature enough to stop reverse circulation.

However, in the present invention, when heating a part of the suction circulation pipe where water enters the heat exchanger, the water temperature in that part rises sufficiently, and its density decreases, resulting in the same effect as when heating the heat exchanger. It is capable of causing circulation in one direction and stopping circulation in the opposite direction.

In addition, as shown in Figure 2, a pilot burner is used to locally heat the position opposite the circulation pipe of the heat exchanger, that is, the position through which the flow of circulating water always passes, rather than the circulation pipe. also has a similar effect.

Also, if a material with excellent thermal conductivity or a heat pipe is placed in those parts and one end of the pipe is heated with a pilot burner, the water temperature in that part will rise and the same effect can be obtained.

As described above, the present invention has a great effect in that a pilot burner, which has not been used thermally in the past, can be used to prevent heat radiation of a bath equipment.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a bathing device according to an embodiment of the present invention, Fig. 2 is an explanatory diagram of the main parts, Fig. 3 is a side view of important parts showing another embodiment, Fig. 4 is a front view of the same, and Fig. 4 is a front view of the same. FIG. 5 is a partially cutaway sectional view of another embodiment. 2...Bathtub, 5...Bathtub body, 9.
9'. 9"... Pilot burner, 13'... Fin, 14... Good heat conductive material.

Claims (2)

[Scope of utility model registration request] (1) A heating part using a pilot burner is provided in a part of the suction circulation of the circulation system connecting the bathtub and the bathtub body, and the heating part is configured to absorb heat so that the flow after the pilot fire is diverted or biased to the main burner. A bath device equipped with fins. (2) The bath device according to claim 1, wherein the heating section by the pilot burner is provided at one end of the good heat conductive material, and the other end is inserted into the suction circulation pipe of the circulation system path.