JP2000018609A - Heating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To readily lower the temperature of hot water from a heat source unit, while saving space and simplifying a set-up construction work. SOLUTION: In a heating device wherein the temperature of hot water from a heat source unit 12 is lowered through a hot-water temperature lowering unit 23, and supplied to a low-temperature side radiator 14, the heat source unit and the low-temperature side radiator are coupled with a hot-water plug socket 21, which is provided at the end portions of a third hot-water supply pipe 15C and a third hot-water return pipe 16C, and also with a hot-water plug 22, which is provided at the end portions of a fourth hot-water supply pipe 15D and a fourth hot-water return pipe 16D from the low-temperature side radiator 14, and are connected with each other. Further, the hot-water temperature lowering unit having a plug socket hot-water supply pipe 31 and a plug socket hot-water return pipe 32 which are connected by a connection pipe 33, mixes hot water from the heat source unit and hot water from the connection pipe and supplies the mixed hot water to the low-temperature side radiator. The plug socket hot-water supply pipe is provided with a flow rate control valve 24 at an upstream side of a connection point 33A, and the valve opening can be set by a manual operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating apparatus provided with a high-temperature radiator such as a fan convector and a low-temperature radiator such as a floor heating panel.

[0002]

2. Description of the Related Art As a conventional heating device, for example,
No. 5,963,316, a heat source unit, a high-temperature side radiator (fan convector), and a low-temperature side radiator (floor heating panel) are connected by a hot water outgoing pipe and a hot water return pipe, respectively, so that the heat source unit and the low-temperature side heat radiator are connected. A hot water cooler is installed in the hot water outgoing pipe and hot water return pipe connecting to the vessel.

In the absence of the above-mentioned hot water cooling device, when the high-temperature radiator and the low-temperature radiator are used at the same time, if the high-temperature radiator is prioritized, the temperature of the hot water supplied to the low-temperature radiator is reduced. Conversely, if the low-temperature side radiator is prioritized, the temperature of the hot water supplied to the high-temperature side radiator will be too low, and the high-temperature side radiator will have insufficient capacity.

The above-mentioned hot water cooling device lowers the temperature of hot water from a heat source device to a temperature of hot water suitable for a low-temperature radiator and supplies the low-temperature radiator to the low-temperature radiator. Can be directly supplied.

[0005]

However, as described above, when the hot water cooling device is installed in the heating device, a space for the installation must be separately secured, and further, the installation of the hot water cooling device is required. Therefore, complicated installation work is also required.

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above circumstances, and provides a heating device capable of easily lowering the temperature of hot water from a heat source unit while saving space and simplifying installation work. It is in.

[0007]

According to the first aspect of the present invention,
In a heating device, which directly supplies hot water from the heat source device to the high-temperature side radiator and lowers the temperature of the hot water from the heat source device to supply the low-temperature side radiator through the hot water low-temperature means, the heat source device and the low-temperature side A radiator is a hot water outlet provided at an end of a hot water outgoing pipe and a hot water return pipe extending from the heat source unit, and a hot water provided at an end of a hot water outgoing pipe and a hot water return pipe extending from the low temperature side radiator. A plug is detachably connected and connected, and the hot water cooling means is built in the hot water outlet or the hot water plug, and is connected to the internal hot water return pipe and the internal hot water return pipe connected to the hot water return pipe. The hot water return pipe is connected by a connecting pipe, and the hot water from the heat source device and the hot water from the connecting pipe are mixed and supplied to the low-temperature side radiator.
A flow control valve is disposed upstream of the connection point of the connection pipe, and the opening degree of the valve is configured to be able to be set manually to control the temperature of hot water supplied to the low-temperature radiator. It is a feature.

The first aspect of the present invention has the following operation.

[0009] Since the hot water outlet or hot water plug provided in the hot water outlet pipe and the hot water return pipe for connecting the heat source unit and the low temperature side radiator includes hot water low temperature means, the heat source low temperature means is provided by the hot water low temperature means. Hot water from the machine can be cooled to a temperature suitable for the low-temperature radiator and supplied to the low-temperature radiator.

In addition, since the hot water cooling means is built in the hot water outlet or the hot water plug, the installation space for installing the hot water cooling means can be saved, and the installation work of the hot water cooling means can be achieved. Can also be simplified.

Further, the temperature control of the hot water supplied to the low-temperature side radiator can be performed only by adjusting the valve opening of the flow control valve and changing the flow rate of the hot water from the heat source unit.
The temperature of the hot water supplied to the low-temperature radiator can be easily controlled.

In addition, since a two-way valve is generally used as the flow control valve, the cost can be reduced, and the cost of the hot water and low temperature means can be reduced.

Further, since the valve opening of the flow rate control valve of the hot water cooling means can be set by manual operation, the structure of the hot water cooling means can be simplified and the cost can be further reduced.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall plan sectional view showing an installed state of a heating apparatus according to an embodiment of the present invention.

As shown in FIG. 1, a heating apparatus 10 for heating a room 11 using hot water includes a heat source unit 12 and
It is configured to include a high-temperature side radiator 13 such as a fan convector, a low-temperature side radiator 14 such as a floor heating panel, and a hot water cooling device 23 as hot water cooling means.

The heat source unit 12 and the high-temperature side radiator 13 are
They are connected by a hot water outgoing pipe 15A, a second hot water outgoing pipe 15B, a first hot water returning pipe 16A and a second hot water returning pipe 16B. 1st warm water going pipe 15A and 2nd warm water going pipe 1
5B, the hot water (for example, 80 ° C.) from the heat source device 12 is directly supplied to the high-temperature side radiator 13, and the second hot water return pipe 16
B and the first hot water return pipe 16A, and
Is returned to the heat source device 12. The high-temperature side radiator 13 heats the room 11 in which the high-temperature side radiator 13 is installed.

First hot water outlet pipe 15 extending from heat source unit 12
A and a hot water outlet 1 at the end of the first hot water return pipe 16A.
7 is installed, and a hot water plug 18 is installed at the end of the second hot water outgoing pipe 15B and the second hot water return pipe 16B extending from the high temperature side radiator 13. The hot water outlet 17 is connected to the building 19
Attached to the wall 20. The hot water outlet 17 and the hot water plug 18 are provided with a normally closed valve, and the hot water outlet 17 and the hot water plug 18 are removably connected to open the normally closed valve.
A is communicated with the second hot water return pipe 15B, and the first hot water return pipe 16A is communicated with the second hot water return pipe 16B. When the high-temperature side radiator 13 is used, the hot water plug 18 is connected to the hot water outlet 17.

The heat source unit 12 and the low-temperature side radiator 14 are
The hot water outlet pipe 15C, the fourth hot water outlet pipe 15D, and the third hot water return pipe 16C and the fourth hot water return pipe 16D are joined together.

A third hot water pipe 15 extending from the heat source unit 12
C and the hot water outlet 2 at the end of the third hot water return pipe 16C.
1, and a hot water plug 22 is installed at an end of a fourth hot water outgoing pipe 15D and a fourth hot water return pipe 16D extending from the low temperature side radiator 14. A hot water outlet 21 is attached to the wall 20 of the building 19. The warm water outlet 21 and the warm water plug 22 are provided with a normally closed valve, and the warm water outlet 21 and the warm water plug 22 are detachably connected to each other to open the normally closed valve, and the third warm water outlet pipe 15 is opened.
C and the fourth hot water return pipe 15D are connected, and the third hot water return pipe 16C and the fourth hot water return pipe 16D are connected.
When the low-temperature side radiator 14 is used, the hot water plug 22 is connected to the hot water outlet 21.

The hot water cooling device 23 is built in the hot water outlet 21. The hot water cooling device 23 lowers the temperature of hot water (for example, 80 ° C.) guided from the heat source device 12 through the third hot water outlet pipe 15C to a temperature (for example, 40 to 60 ° C.) suitable for the low-temperature side radiator 14. Then, the fourth warm water going pipe 15
D is supplied to the low-temperature side radiator 14. Low temperature radiator 1
Most of the hot water heat-exchanged in 4 is returned to the heat source device 12 via the fourth hot water return pipe 16D and the third hot water return pipe 16C. The low-temperature side radiator 14 heats the floor 11 of the room 11 in which the low-temperature side radiator 14 is installed.

The hot water cooling device 23 is built in the hot water outlet 21 as described above, and has a flow control valve 24, a circulation pump 25, a check valve 26, and a temperature control knob 28 as shown in FIG. Become.

In the hot water outlet 21, an outlet hot water outgoing pipe 31 as an internal hot water outgoing pipe connected to the third hot water outgoing pipe 15C and the third hot water returning pipe 16C via a flare joint 30, and an internal hot water return, respectively. The outlet hot water return pipe 32 as a pipe is housed, and the outlet hot water outgoing pipe 31 and the outlet hot water return pipe 32 are connected by the connecting pipe 33. These outlet hot water pipes 3
An outlet-side coupling portion 34 is provided at the end of the outlet 1 and the outlet hot-water return pipe 32.

On the other hand, in the hot water plug 22, a plug hot water flow pipe 35 as an internal hot water flow pipe connected to the fourth hot water flow pipe 15D and the fourth hot water return pipe 16D via the flare joint 30, respectively. A plug hot water return pipe 36 as a hot water return pipe is housed. A plug-side coupling portion 37 is provided at an end of each of the hot water pipe 35 and the hot water return pipe 36.

When the hot water outlet 21 and the hot water plug 22 are connected to each other, the outlet hot water outlet pipe 31 and the plug hot water outlet pipe 35 are communicated via the respective outlet side connection portions 34 and plug side connection portions 37, The return pipe 32 and the plug hot water return pipe 36 communicate with each other through the outlet-side coupling part 34 and the plug-side coupling part 37, respectively.

In the hot water outlet 21, the flow control valve 24 is connected to the connecting pipe 3 of the outlet hot water outlet pipe 31.
The circulating pump 25 is provided on the connection pipe 33 at an upstream side of a connection point 33 </ b> A with the connection pipe 3. This circulation pump 25
It is set lower than the capacity of a pump (not shown) built in the heat source device 12, and is provided so as to rotate continuously when the low-temperature side radiator 14 is used. The connection pipe 33 is provided with a check valve 26 on the upstream side of the circulation pump 25 that allows only the flow of warm water in the direction of the circulation pump 25.

The temperature control knob 28 is installed on the room 11 side of the hot water outlet 21 and has a wire cable 27.
Is connected to the flow rate control valve 24 via the. When the temperature control knob 28 is manually operated (push-pull operation or rotation operation), the valve opening of the flow control valve 24 is set.

With the continuous rotation of the circulation pump 25, for example, 80 ° C., which is sent from the heat source unit 12 through the third hot water outflow pipe 15 C and the outlet hot water outflow pipe 31 on the downstream side of the connection point 33 A in the outlet hot water outflow pipe 31. The hot water is radiated by the low-temperature side radiator 14, and the circulation pump 25 mixes the hot water sent through the fourth hot water return pipe 16D, the plug hot water return pipe 36, the outlet hot water return pipe 32, and the connection pipe 33. You. In addition, by setting the valve opening of the flow control valve 24, the amount of hot water from the heat source device 12 is controlled,
The temperature of the mixed hot water is set to a temperature suitable for the low-temperature side radiator 14 (for example, 40 to 60 ° C.), and the low-temperature water is passed through the downstream portion of the flow control valve 24 in the outlet hot water outlet pipe 31 and the fourth hot water outlet pipe 15D. To the side radiator 14.

When the user determines that the heating temperature by the low-temperature side radiator 14 is low, the user manually operates the temperature control knob 28 to increase the valve opening of the flow rate control valve 24 to increase the heat source. The amount of hot water from the machine 12 is increased to increase the temperature of the hot water mixed by the flow control valve 24. Further, when the user determines that the heating temperature by the low-temperature side radiator 14 is high, the user manually operates the temperature control knob 28 to reduce the valve opening of the flow control valve 24, and The temperature of the hot water mixed by the flow control valve 24 is lowered by reducing the amount of hot water from the flow control valve 12.

Reference numeral 39 in FIG. 2 denotes a flow rate adjusting knob for adjusting the flow rate of hot water returning from the low-temperature side radiator 14 to the heat source unit 12.

With the above-described configuration, the heating device 10 according to the above embodiment has the following effects.

A third hot water outgoing pipe 15C and a third hot water return pipe 1 for connecting the heat source device 12 and the low-temperature side radiator 14
Since the hot water cooling device 23 is built in the hot water outlet 21 provided in the 6C, the hot water from the heat source unit 12 is radiated to the low temperature side by adjusting the valve opening of the flow control valve 24 in the hot water cooling device 23. The temperature can be easily lowered to a temperature suitable for the vessel 14 and supplied to the low-temperature side radiator 14.

The hot water cooling device 23 is a hot water outlet 2
Since it is built in 1, the installation space for installing the hot water cooling device 23 can be saved, and the installation work of the hot water cooling device 23 can be simplified.

The control of the hot water supplied to the low temperature radiator 14 can be performed only by adjusting the valve opening of the flow control valve 24 and changing the flow of the hot water from the heat source unit 12. The temperature of the hot water supplied to the radiator 14 can be easily controlled.

Since a two-way valve is generally employed as the flow control valve 24, the cost can be reduced, and the cost of the hot water cooling device 23 can be reduced.

Since the valve opening of the flow rate control valve 24 of the hot water cooling device 23 can be set manually, the structure of the hot water cooling device 23 can be simplified, and the cost can be further reduced.

Although the present invention has been described based on one embodiment, the present invention is not limited to this.

For example, in the above embodiment, the hot water lowering device 23 is described as being built in the hot water outlet 21, but it may be built in the hot water plug 22. In addition, the hot water outlet 21 may be divided at the position indicated by the two-dot chain line in FIG. 2 to improve the attachment of the hot water outlet 21 to the wall 20. Further, a temperature control knob 2
8 may be installed on the outdoor side of the hot water outlet 21.

In addition, the outlet hot water outlet pipe 31 of the hot water outlet 21 is provided with a throttle portion 2 upstream of the flow control valve 24.
9 to regulate the upper limit value of the flow rate of the hot water from the heat source unit 12, and to control the flow control valve 24 using the temperature control knob 28.
Even if the valve opening degree is manually set by mistake, it may be possible to restrict the hot water from flowing excessively from the heat source device 12 into the low-temperature side radiator 14.

[0040]

As described above, according to the heating apparatus of the present invention, the heat source unit and the low-temperature side radiator are provided with the hot water outlet provided at the end of the hot water outflow pipe and the hot water return pipe extending from the heat source equipment. And a hot water plug provided at the end of a hot water outgoing pipe and a hot water return pipe extending from the low temperature radiator are detachably connected and connected to lower the temperature of hot water from the heat source unit and supply it to the low temperature radiator. The internal hot water return pipe connected to the hot water return pipe and the internal hot water return pipe connected to the hot water return pipe are connected by a connecting pipe, and the hot water cooling means is connected to the hot water outlet or hot water plug. Hot water and hot water from the connecting pipe are mixed and supplied to the low-temperature radiator, and a flow control valve is provided in the internal hot water feed pipe upstream of the connection point of the connecting pipe, and the valve is opened. The degree is settable by manual operation. Since controlling the temperature of hot water to be supplied to the side radiator, with the hot water from the heat source device can be easily low temperature, by the presence of the hot water temperature reduction means can be achieved simplification of the space and installation work.

[Brief description of the drawings]

FIG. 1 is an overall plan sectional view showing an installed state of a heating device according to an embodiment of the present invention.

FIG. 2 is a system diagram showing a part of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Heating device 12 Heat source device 13 High-temperature side radiator 14 Low-temperature side radiator 15C 3rd hot-water pipe 15D 4th hot-water pipe 16C 3rd hot-water return pipe 16D 4th hot-water return pipe 21 Hot water outlet 22 Hot water plug 23 Hot water cooling Device (Hot water cooling means) 24 Flow control valve 25 Circulation pump 27 Wire cable 28 Temperature control knob 31 Outlet hot water outgoing pipe (Internal hot water outgoing pipe) 32 Outlet hot water return pipe (Internal hot water return pipe) 33 Connecting pipe 33A Connection point

Continued on the front page (72) Inventor Hiromi Fujio 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Inside Sanyo Electric Co., Ltd. (72) Inventor Hideki Ito 2-5-5-1 Keihanhondori, Moriguchi-shi, Osaka Inside Sanyo Electric Co., Ltd. (72) Masato Ima 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Prefecture Inside Sanyo Electric Co., Ltd. (72) Tatsu Sugawara 2-5-2 Keihanhondori, Moriguchi-shi, Osaka Prefecture No. 5 Sanyo Electric Co., Ltd. F term (reference) 3L070 AA09 BC17 DD02 DF06 DG06

Claims (1)

[Claims] 1. A heating device for directly supplying hot water from a heat source unit to a high-temperature side radiator and lowering the temperature of hot water from the heat source unit to supply the low-temperature side radiator via hot water low-temperature means, And a low-temperature side radiator, a hot water outlet provided at an end of a hot water outflow pipe and a hot water return pipe extending from the heat source device, and an end of a hot water outflow pipe and a hot water return pipe extending from the low temperature side radiator. The hot water lowering means is incorporated in the hot water outlet or the hot water plug, and is connected to the hot water outlet pipe and the hot water return pipe and the hot water return. An internal hot water return pipe connected to the pipe is connected by a connecting pipe, and the hot water from the heat source device and the hot water from the connecting pipe are mixed and supplied to the low-temperature side radiator. The above A flow control valve is disposed upstream of the connection point of the connecting pipe, and the valve opening is configured to be settable by manual operation to control the temperature of hot water supplied to the low-temperature side radiator. And heating system.