JP2000018606A - 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 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 communication pipe 33, mixes hot water from the heat source unit and hot water from the communication pipe and supplies the mixed hot water to the low-temperature side radiator. Furthermore, 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, so that the valve opening of the flow rate control valve can be controlled depending on the temperature of the hot water which flows to the low-temperature side radiator.

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 according to the temperature of hot water supplied to the low-temperature side radiator,
The valve opening of the flow control valve is adjustable.

According to a second aspect of the present invention, in the first aspect of the invention, the valve opening of the flow control valve is configured to be adjustable by driving an electric motor.

The invention described in claim 1 or 2 has the following operation.

[0010] Since the hot water outlet or hot water plug connected to the hot water outlet pipe and the hot water return pipe connecting the heat source unit and the low temperature side radiator includes the hot water low temperature means, the heat source 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.

Further, 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 reduced, 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.

Further, since a two-way valve is generally employed as the flow control valve, the cost can be reduced, and the cost of the hot water cooling device can be 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 lowering device 23 is built in the hot water outlet 21 as described above, and as shown in FIG. 2, a flow control valve 24, a circulation pump 25, a check valve 26, a hot water temperature detector 27, a temperature control It has a knob 28 and a controller 29.

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 flow control valve 24 is configured such that its valve opening can be adjusted by driving an electric motor 38 as an electric driving means.

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 15C and the outlet hot water outflow pipe 31 downstream of the connection point 33A 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. Also, by adjusting 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.

A hot water temperature detector 27 such as a thermistor is installed in the outlet hot water outflow pipe 31 on the downstream side of the flow control valve 24, and transmits a signal of the detected hot water temperature to the controller 29. The temperature control knob 28 is connected to the low-temperature radiator 14.
The temperature of the hot water supplied to the controller 29 is set, and the set temperature signal thus set is also transmitted to the controller 29. still,
The temperature control knob 28 is installed on the indoor 11 side of the hot water outlet 21. The controller 29 outputs the hot water temperature signal detected by the hot water temperature detector 27 to the temperature control knob 2.
8 so that the flow control valve 24
To control the valve opening of the flow control valve 24 to control the amount of hot water from the heat source device 12 flowing into the flow control valve 24.

For example, when the hot water temperature detected by the hot water temperature detector 27 is lower than the temperature set by the temperature control knob 28, the controller 29 increases the valve opening of the flow control valve 24, By increasing the amount of hot water from the heat source unit 12,
The temperature of the hot water mixed by the flow control valve 24 is raised. If the hot water temperature detected by the hot water temperature detector 27 is higher than the temperature set by the temperature control knob 28, the controller 29 sets the valve opening of the flow control valve 24 to a small value, and , The temperature of the hot water mixed by the flow control valve 24 is lowered.

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.

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

For example, in the above-described embodiment, the hot water lowering device 23 is described as being built in the hot water outlet 21, but 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 outside the room in the hot water outlet 21 or may be provided on a remote controller installed inside the room.

[0038]

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 the hot water outlet pipe and the hot water plug provided at the end of the hot water return pipe extending from the low-temperature radiator are detachably connected to each other and connected, so that the temperature of the hot water from the heat source unit is lowered and supplied 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. The hot water and the hot water from the connecting pipe are mixed and supplied to the low-temperature radiator.The internal hot water flow pipe is provided with a flow control valve on the upstream side of the connection point of the connecting pipe. Flow control according to the temperature of hot water supplied to the vessel Since the valve opening of the is configured to be adjustable, 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 31 Outlet hot water outlet pipe (Internal hot water return pipe) 32 Outlet hot water return pipe (Internal hot water return pipe) 33 Connecting pipe 33A Connection point 38 Electric motor

Continued on the front page (72) Inventor Hiroshi Nakayama 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Yuichi Yoshizawa 2-5-2-5 Keihanhondori, Moriguchi-shi, Osaka Inside Sanyo Electric Co., Ltd. (72) Inventor Toshinari Minami 2-5-5 Keihanhondori, Moriguchi City, Osaka Prefecture Inside Sanyo Electric Co., Ltd. (72) Inventor Hirotoshi Sato 2-5-2 Keihanhondori, Moriguchi City, Osaka Prefecture No.5 Sanyo Electric Co., Ltd. F term (reference) 3L070 AA09 BC17 DD02 DF06 DG07

Claims (2)

[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 provided upstream of the connection point of the connecting pipe, and the valve opening of the flow control valve is configured to be adjustable according to the temperature of hot water supplied to the low-temperature radiator. Characteristic heating system. 2. The heating device according to claim 1, wherein the valve opening of the flow control valve is adjustable by driving an electric motor.