JP3490828B2 - Hot water heating system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water heating system in which hot water from a heat source unit is circulated in a floor heating radiator installed on a floor in a room for heating. The present invention relates to a hot water heating device that detects a temperature and determines whether or not to perform a test operation based on the detection signal.

[0002]

2. Description of the Related Art Conventionally, in this type of hot water heater, a heat source unit is installed, a floor heating radiator is installed in a room to be heated,
After performing the piping between the floor heating radiator and the heat source device, and the wiring between the controller installed in the room to be heated and the heat source device, perform a trial run to check the water filling condition Checking the wiring, etc. In particular, when the floor heating radiator is installed in each of the plurality of rooms, the floor heating radiator installed in each room from the heat source device is sequentially switched at predetermined intervals to individually supply hot water, and, In this test run work, the temperature returned from each floor heating radiator to the heat source unit is detected, and whether or not the temperature of the returned hot water is at the specified temperature is used to confirm the completion of water filling and erroneous piping and wiring. Not only did it take a long time to complete the entire test run, but there were also problems such as the installation contractor requiring skill.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and enables a trial run for confirming completion of water filling and erroneous piping, erroneous wiring, etc. to be performed efficiently and in a short time. The purpose of this is to enable the temperature of the floor heating radiator to be detected with high accuracy during the trial run.

[0004]

According to the present invention as set forth in claim 1, a floor heating radiator installed on the floor of a room to be heated, a heat source device for circulating hot water to the floor heating radiator, and a floor. A floor heating controller installed in the room to be heated corresponding to the heating radiator, and placed on the floor heating radiator, detects the temperature of the floor heating radiator, and outputs the detection signal to the floor heating controller. And a temperature detection member to be sent to the floor heating controller, the floor heating controller has a trial operation pass / fail determination means for performing a pass / fail determination of a test operation based on a detection signal of the temperature detection member during a trial operation, and the temperature detection member is a heat insulating material. And a temperature detector provided under the heat insulating material via a soaking plate, and a lead wire connected to the temperature detector.

The present invention according to claim 2 corresponds to a floor heating radiator installed on the floor of the room to be heated, a heat source device for circulating hot water to the floor heating radiator, and a floor heating radiator. A floor heating controller installed in the room to be heated; and a temperature detecting member mounted on the floor heating radiator, which detects the temperature of the floor heating radiator and sends a detection signal to the floor heating controller. The floor heating controller has a trial operation pass / fail determination means for performing a pass / fail determination of a test operation based on a detection signal of the temperature detection member during a trial operation, and the temperature detection member is a heat insulating material and this heat insulating material. It is composed of a weight provided above, a temperature detector provided under the heat insulating material via a heat equalizing plate, and a lead wire connected to the temperature detector.

The present invention according to claim 3 corresponds to a floor heating radiator installed on the floor of the room to be heated, a heat source device for circulating hot water to the floor heating radiator, and a floor heating radiator. A floor heating controller installed in the room to be heated; and a temperature detecting member mounted on the floor heating radiator, which detects the temperature of the floor heating radiator and sends a detection signal to the floor heating controller. The floor heating controller has a trial operation pass / fail determination means for performing a pass / fail determination of a test operation based on a detection signal of the temperature detection member during a trial operation, and the temperature detection member is a heat insulating material and this heat insulating material. A weight provided above, a temperature detector provided under the heat insulating material via a heat equalizing plate, and a lead wire connected to this temperature detector, and the weight is made of water or the like. Consists of a container that holds liquid in and out

The present invention according to claim 4 corresponds to a floor heating radiator installed on the floor of the room to be heated, a heat source device for circulating hot water to the floor heating radiator, and a floor heating radiator. A floor heating controller installed in the room to be heated; and a temperature detecting member mounted on the floor heating radiator, which detects the temperature of the floor heating radiator and sends a detection signal to the floor heating controller. The floor heating controller has a trial operation pass / fail determination means for performing a pass / fail determination of a test operation based on a detection signal of the temperature detection member during a trial operation, and the temperature detection member is a heat insulating material and this heat insulating material. It consists of a temperature detector installed via a soaking plate below and a lead wire with a connection plug connected to this temperature detector, and the connection plug of the lead wire is detachably attached to the floor heating controller. Provided with a connecting part to be connected And is a configuration that.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS. As shown in FIGS. 1 and 2, a hot water heating apparatus 1 according to an embodiment of the present invention includes a heat source unit 2 that burns a gas fuel to generate hot water by the heat of combustion thereof. The machine 2 has a built-in circulation pump 3 for circulating hot water. The circulation pump 3 of the heat source device 2 includes pipes 4 and 4 that serve as hot water circulation paths.
The floor heating radiators 5A and 5B respectively installed on the floors of the plurality of heated rooms are connected in parallel via the floor heating radiators 5A and 5B. The hot air heating radiators 6 and 7 are connected in parallel, and the heat responsive valves 8A and 8B are provided in the pipes 4 and 4 between the floor heating radiators 5A and 5B and the circulation pump 3, respectively. Further, floor heating controllers 9A and 9B are provided on the wall surface of the room to be heated in which the floor heating radiators 5A and 5B are installed.
Is installed in a form corresponding to each floor heating radiator 5A, 5B,
Various signals are transmitted and received between the floor heating controllers 9A and 9B and the heat source unit 2.

Further, in the heat source unit 2, as shown in FIG. 2, a combustion control circuit 12 for controlling the operation of the gas valve 10 and the igniter 11, the operation of the heat operated valves 8A, 8B and the circulation pump 3. 13 for controlling the combustion, and the combustion control circuit 12
And a microcomputer 14 for outputting a control signal to the driver 13, and the like. The microcomputer 14 includes a test operation switch 15 for performing a test operation of the hot water heating device 1, and the floor heating controller 9
A communication circuit 16 for transmitting / receiving signals to / from A and 9B is connected.

As shown in FIG. 3, each of the floor heating controllers 9A and 9B has an operation key 1 on the operation panel.
7, operation lamp 18, LCD display unit 19, room temperature detector 2
0, Program run key 21, Program run lamp 2
2. Temperature increase key 23, temperature decrease key 24 as a temperature setting device,
And a connection hole 25, etc., respectively. And
The connection hole 25 is provided in the lower surface of the floor heating controllers 9A and 9B, and the connection plug 33 provided at the tip of the lead wire 34 of the temperature detection member 28 described later is detachably inserted and connected. There is.

Further, the floor heating controllers 9A, 9
As shown in FIG. 2, a microcomputer 26 is incorporated inside B, and a communication circuit 27 for transmitting and receiving a signal to and from the heat source device 2 is connected to the microcomputer 26 and will be described later. Temperature detecting member 2
A test-drive pass / fail determination unit 26A for determining whether or not the test drive has been passed based on the detection signal from 8 is provided.

As shown in FIG. 4, the temperature detecting member 28 is used for the floor heating radiator 5 during a trial run of the hot water heating system 1.
The floor heating radiators 5A and 5B are placed on A and 5B and temporarily used, and the temperature of the floor heating radiators 5A and 5B is detected and the detection signal is sent to the floor heating controllers 9A and 9B. Then, when the test run is completed, the temperature detecting member 28 is removed.

Next, the temperature detecting member 28 will be described in detail. The temperature detecting member 28 has a thickness of about 6 to 10 m.
A plate-shaped heat insulating material 29 made of m foam polystyrene, and a container 30 provided on the heat insulating material 29 and made of a plastic tank for accommodating about 1 to 2 liters of a liquid such as water so that it can be freely taken in and out.
(Weight), and a temperature detector 32 with a built-in thermistor arranged substantially in the center of the lower surface of the heat insulating material 29 via a heat equalizing plate 31 made of an aluminum sheet attached to the lower surface of the heat insulating material 29,
A lead wire 34 having a desired length, one end of which is connected to the temperature detector 32 and the other end of which is provided with a connection plug 33 which is inserted into the connection hole 25 of the floor heating controller 9A, 9B; The temperature detector 32 is formed of an aluminum sheet attached to the heat equalizing plate 31 so as to cover the surface of the temperature detector 32. Also, the container 3
0 is made of polyethylene resin or the like, and has an opening / closing lid 36 that opens and closes the accommodation port, and a handle 37 is integrally provided at an appropriate position.

The hot water heating apparatus 1 according to the present invention is configured as described above, and the normal operation and trial operation in floor heating of the hot water heating apparatus 1 will be described below.

First, the normal operation will be described. When the operation key 17 of the floor heating controller 9A is turned on,
The floor heating controller 9A executes normal operation processing based on a normal operation program as shown in FIG. That is, the operating lamp 18 and the operating portion of the LCD display unit 19 are lit and displayed, and the thermal operation is performed based on the room temperature detected by the room temperature detector 20 and the set temperature set by the temperature increase key 23 and the temperature decrease key 24. The ON-OFF time of the valve 8A is calculated, and the operation ON data signal and the thermal valve ON signal data are transmitted to the heat source device 2. The ON-OFF time of the thermal valve 8A is 2
The ON time is about 5 to 20 minutes (20 minutes as one cycle,
Minutes can be variably controlled within the range of continuous ON).

During this floor heating operation, the ON-OF of the thermal valve 8A is changed due to the deviation between the set temperature and the room temperature every 20 minutes.
By calculating and controlling the F time, the amount of hot water supplied to the floor heating radiator 5A is controlled to control the room temperature to the set temperature.

Next, the trial run will be described. Heat source device 2, floor heating radiators 5A, 5B, floor heating controller 7
After installation of A and 7B, installation of hot air heating radiators 6 and 7, installation work of those pipes, wiring, etc. is completed, the floor surface of the heated room with floor heating radiators 5A and 5B attached, that is, The temperature detecting member 28 is provided on the upper surface of the floor heating radiators 5A and 5B.
Is placed as shown in FIG. 4, and the connection plug 33 of the lead wire 34 of the temperature detecting member 28 is connected to the floor heating controller 9
Insert into the connection holes 25 of A and 9B.

When the trial run switch 15 of the heat source unit 2 is turned on in the above state, the microcomputer 1 of the heat source unit 2 is turned on.
4 executes a trial run process based on the trial run program shown in FIG. That is, the heat source device 2 transmits the transition data to the “trial operation mode” to the floor heating controllers 9A and 9B by turning on the trial operation switch 15. When the floor heating controllers 9A and 9B receive the transition data to the "test operation mode", the operation lamp 18 and the program operation lamp 22 are blinked regardless of whether the operation is in normal operation or not, and the test driver is instructed to do so. Notify the shift to the "trial run mode".

At the time of shifting to the "test operation mode", the floor temperature detected by the temperature detector 32 of the temperature detecting member 28 is stored as "T1" data, and whether the floor temperature rises during the trial operation of another system. Determine whether or not. As a result, if the floor temperature rises, erroneous piping or erroneous wiring may be considered. Therefore, "abnormality data" is immediately transmitted to the heat source unit 2 to cause the heat source unit 2 to recognize the occurrence of an abnormality and its contents. It is also possible to provide the heat source device 2 with a 7-segment abnormality code display section and display the content of the code when an abnormality occurs so that the test driver can easily determine the cause of the abnormality.

The heat source unit 2 has the above-mentioned "test operation mode".
When the operation shifts to, first, the circulation pump 3 is driven to fill the pipes 4 and 4 of each heating system with the heating circulating water.
The operation is sequentially switched for each system. And
When the "water filling" on the floor heating radiators 5A, 5B, etc. is normally completed, the floor heating controllers 9A, 9B are made to sequentially perform trial operation.

The test operation by the floor heating controllers 9A and 9B will be described below. The heat source device 2 transmits "test operation mode + filling completion + operation ON" data to the floor heating controller 9A corresponding to the floor heating radiator 5A. Further, the circulation pump 3 is driven to start the normal heating and combustion operation.

Here, the floor heating controller 9A is
At the first reception of the data of “test operation mode + water filling completion + operation ON”, the current floor temperature detected by the temperature detector 32 of the temperature detection member 28 is stored as “T2”. Thereafter, the floor temperature detected by the temperature detector 32 is “T2” + 5d.
The microcomputer 26 of the floor heating controller 9A before the trial operation time limit (for example, 50 minutes) as a predetermined time to determine whether or not the temperature has risen to eg has elapsed.
The test drive pass / fail judgment means 26A provided in the above section makes the judgment.

The above-mentioned trial run time limit is displayed by using the "minute digit" of the program time display section during the trial run, and these are operated by operating the temperature increase key 23 and temperature decrease key 24 for changing the set temperature. The temperature increasing key 23 and the temperature decreasing key 24 are also used as changing means, and for example, 20 to 60
It can be changed within the time range of minutes. Therefore, the trial run time limit can be changed according to the installation status of the floor heating radiators 5A and 5B. Further, since the trial run time limit is configured to display the remaining time as the trial run time elapses, the progress of the trial run and the remaining time can be easily determined.

When the test run is normal, the temperature detector 32
When the floor temperature due to the detection of “T2” +5 deg rises, the floor heating controller 9A transmits “test operation normal end” data to the heat source unit 2 and ends the trial operation of the floor heating radiator 5A. Here, when the heat source device 2 receives the "completion of normal operation of trial operation" data, it sends a signal instructing the trial operation of the next floor heating radiator 5B to the floor heating controller 9B corresponding to this floor heating radiator 5B, As described above, the trial run is performed sequentially.

On the other hand, if the bed temperature detected by the temperature detector 32 does not rise to "T2" +5 deg even after the trial run time limit (for example, 50 minutes) has elapsed after the start of the trial run, the trial run pass / fail judgment means 26A Is determined to be incorrect piping or incorrect wiring, and the floor heating controller 9A transmits "test operation abnormality" data to the heat source unit 2. When the heat source device 2 receives the "test operation abnormality" data, the test operation of the floor heating radiator 5A is stopped, and a signal instructing the test operation of the next floor heating radiator 5B is transmitted to the floor heating controller 9B, and Perform a test run as you did.

Further, when the trial operation is performed again for various reasons, when it is desired to omit the trial operation of the system which has already completed the trial operation and when it is desired to clearly know that the trial operation has been completed, the test is passed in the "trial operation mode". By operating the operation key 17 that also serves as the determination key, the floor heating controller 9A determines that the "test operation has ended normally" and transmits this data to the heat source device 2.

The test operation of the hot water heating apparatus 1 of the present invention has been described above in detail. Each operation mode state during the test operation is displayed by using the "hour digit" of the program display section. With such a display, the test driver can grasp the test driving status at a glance. For example, as shown below, each operation mode during the trial operation is displayed by numbers or symbols. FIG. 6 shows an example in which each mode in that case is displayed with symbols (A, b, C, d, E).

[0028] A = "Test run mode + water filling + run OFF" b = "Test run mode + water filling completion + run OFF" C = "Test run mode + completion of water filling + run ON" d = "Test run mode + test run normally completed" E = "Trial run mode + Trial run abnormal end"

[0029]

As described above, according to the hot water heating apparatus of the present invention, the floor heating radiator installed on the floor of the room to be heated, and the heat source device for circulating hot water to the floor heating radiator,
A floor heating controller installed in the room to be heated corresponding to the floor heating radiator and placed on the floor heating radiator, detects the temperature of the floor heating radiator, and outputs the detection signal to the floor heating radiator. Since the floor heating controller has a trial operation pass / fail determination means for performing pass / fail determination of the test run based on a detection signal of the temperature detection member during a trial run, the floor heating radiator. The success or failure of the trial run can be determined based on the detection signal from the temperature detecting member placed on the top, and the trial run for confirming completion of water filling and erroneous piping, erroneous wiring, etc. can be efficiently performed in a short time.

The temperature detecting member is composed of a heat insulating material, a temperature detector provided under the heat insulating material via a heat equalizing plate, and a lead wire connected to the temperature detector. Therefore, it is possible to prevent the temperature detector from being affected by the temperature of the room air by the heat insulating material, and it is possible to detect a relatively wide range of temperature of the floor heating radiator by using the soaking plate. The temperature of the heating radiator can be detected with high accuracy.

According to the hot water heating apparatus of the second aspect, the temperature detecting member is provided through the heat insulating material, the weight provided on the heat insulating material, and the soaking plate under the heat insulating material. Since it is composed of a temperature detector and a lead wire connected to this temperature detector, the weight provided on the heat insulating material allows the temperature detecting member to be installed on the floor heating radiator without bothering the hand. Since the temperature detector can be stably placed on the floor heating radiator, the surface temperature of the floor heating radiator can be detected more reliably.

According to the hot water heating apparatus of the third aspect, the temperature detecting member is provided through the heat insulating material, the weight provided on the heat insulating material, and the heat equalizing plate under the heat insulating material. A temperature detector and a lead wire connected to the temperature detector, and the weight is composed of a container that stores a liquid such as water so that it can be put in and taken out. As a result, the temperature detecting member can be stably placed, and when it is carried to a distant place, the liquid stored in the container is discharged, so that the temperature detecting member becomes lightweight, and the temperature detecting member can be handled easily.

According to the hot water heating apparatus of the fourth aspect, since the floor heating controller is provided with the connecting portion to which the lead wire connecting plug is detachably connected, the lead wire interferes with the normal operation. Not only that, but at the time of trial operation, just insert the connection plug into the connection part of the floor heating controller,
The temperature detecting member and the floor heating controller can be connected to each other, and the temperature detecting member can be handled more conveniently.

[Brief description of drawings]

FIG. 1 is an overall system configuration diagram of a hot water heating system according to an embodiment of the present invention.

FIG. 2 is a control block diagram of the hot water heating system.

FIG. 3 is an external view of a floor heating controller of the hot water heating apparatus.

FIG. 4 is an explanatory diagram illustrating a usage state of the temperature detecting member during the test operation.

FIG. 5 is a vertical cross-sectional view of an essential part of the temperature detecting member.

FIG. 6 is a diagram showing an example of a trial operation mode display in the same manner.

FIG. 7 is a flowchart of the same normal operation program.

FIG. 8 is a flow chart of a test run program of the same.

[Explanation of symbols]

1 Hot water heating system 2 heat source machine 5A floor heating radiator 5B floor heating radiator 9A Floor heating controller 9B Floor heating controller 25 Connection hole (connection part) 26 Microcomputer 26A Trial run pass / fail judgment means 28 Temperature detection member 29 Thermal insulation 30 containers (weight) 31 soaking plate 32 Temperature detector 33 Connection plug 34 lead wire

─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Michio Ikeda 2-5-5 Keihan Hondori, Moriguchi City, Osaka Prefecture Sanyo Denki Co., Ltd. (72) Inventor Toshiyuki Yokozuka 2-5 Keihan Hondori, Moriguchi City, Osaka Prefecture No. 5 In Sanyo Electric Co., Ltd. (72) Tomoaki Kawazu 2-5-5 Keihan Hondori, Moriguchi City, Osaka Prefecture No. 5-5 Sanyo Electric Co., Ltd. (72) Koji Minakata 2-5 Keihan Main Street, Moriguchi City, Osaka Prefecture No. 5 within Sanyo Electric Co., Ltd. (56) Reference JP 5-231656 (JP, A) JP 57-131941 (JP, A) JP 7-295490 (JP, A) JP 57- 161430 (JP, A) JP 8-270962 (JP, A) JP 8-121787 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) F24D 3/00

Claims (4)

(57) [Claims] 1. A floor heating radiator installed on the floor of a room to be heated, and a heat source device for circulating hot water to the floor heating radiator.
A floor heating controller installed in the room to be heated corresponding to the floor heating radiator and placed on the floor heating radiator, detects the temperature of the floor heating radiator, and outputs the detection signal to the floor heating radiator. A temperature detection member to be sent to the controller, the floor heating controller has a trial operation pass / fail determination means for performing pass / fail determination of a test operation based on a detection signal of the temperature detection member during a trial operation, and the temperature detection member is a heat insulating member. A hot water apparatus comprising: a material, a temperature detector provided below the heat insulating material via a heat equalizing plate, and a lead wire connected to the temperature detector. 2. A floor heating radiator installed on the floor of a room to be heated, and a heat source device for circulating hot water to the floor heating radiator.
A floor heating controller installed in the room to be heated corresponding to the floor heating radiator, and mounted on the floor heating radiator, detects the temperature of the floor heating radiator, and outputs the detection signal to the floor heating radiator. A temperature detection member to be sent to the controller, the floor heating controller has a trial operation pass / fail determination means for performing pass / fail determination of a test operation based on a detection signal of the temperature detection member during a trial operation, and the temperature detection member is a heat insulating member. Material, a weight provided on the heat insulating material, a temperature detector provided under the heat insulating material via a heat equalizing plate, and a lead wire connected to the temperature detector A hot water heater. 3. A floor heating radiator installed on the floor of the room to be heated, and a heat source device for circulating hot water to the floor heating radiator.
A floor heating controller installed in the room to be heated corresponding to the floor heating radiator and placed on the floor heating radiator, detects the temperature of the floor heating radiator, and outputs the detection signal to the floor heating radiator. A temperature detection member to be sent to the controller, the floor heating controller has a trial operation pass / fail determination means for performing pass / fail determination of a test operation based on a detection signal of the temperature detection member during a trial operation, and the temperature detection member is a heat insulating member. A material, a weight provided on the heat insulating material, a temperature detector provided under the heat insulating material via a soaking plate, and a lead wire connected to the temperature detector, A hot water heating apparatus, wherein the weight is constituted by a container that stores a liquid such as water so that the liquid can be taken in and out. 4. A floor heating radiator installed on the floor of the room to be heated, and a heat source device for circulating hot water to the floor heating radiator.
A floor heating controller installed in the room to be heated corresponding to the floor heating radiator, and mounted on the floor heating radiator, detects the temperature of the floor heating radiator, and outputs the detection signal to the floor heating radiator. A temperature detection member to be sent to the controller, the floor heating controller has a trial operation pass / fail determination means for performing pass / fail determination of a test operation based on a detection signal of the temperature detection member during a trial operation, and the temperature detection member is a heat insulating member. Material, a temperature detector provided under the heat insulating material via a soaking plate, and a lead wire with a connection plug connected to the temperature detector. A hot water heating device, characterized in that a connection portion to which the connection plug of (1) is detachably connected is provided.