JP3955271B2 - Bathroom heater control system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a control system for a bathroom heater that heats air while circulating air in the bathroom.
[0002]
[Prior art]
Conventionally, a bathroom heater heats a bathroom by arranging a heat source in a main body of a heater disposed on the ceiling or the like of the bathroom, and heating the bathroom by circulating the air in the bathroom through the main body of the heater. It is configured as follows. And by operating the remote controller placed in the dressing room etc., the operation of the heat source and the circulation air volume are controlled so that the detected temperature of the room temperature sensor provided in the heater body becomes the set temperature set by the remote controller. , Heating operation.
[0003]
In addition, recently, hot water supply heat source devices having hot water supply functions for various places such as bathrooms, washrooms, and kitchens, as well as bathing and reheating functions of bathtubs, have been placed in many houses. . As a remote controller for a hot water supply heat source machine, generally, a so-called bathroom remote controller disposed in a bathroom and a so-called kitchen remote controller disposed in a living room other than the bathroom such as a living dining room are used. It is possible to set the hot water temperature and amount of water in the tub and start the hot water filling and chasing operation. In addition, what uses the heat exchanger which flows hot water from the hot water supply heat source machine as a heat source provided in the heater main body of a bathroom heater is also known.
[0004]
Conventionally, communication between the bathroom heater and the hot water source is possible, the bathroom temperature detected by the bathroom heater is sent to the hot water source, and the bath temperature is corrected according to the bathroom temperature. Alternatively, it is also known to transmit the bath water temperature detected by the hot water supply heat source device to the bathroom heater and correct the bathroom heating temperature according to the hot water temperature (see, for example, Patent Document 1). ).
[0005]
[Patent Document 1]
JP 2002-333204 A (2nd to 5th pages, FIGS. 1 to 4)
[0006]
[Problems to be solved by the invention]
By the way, the heating operation of the bathroom heater is usually started by operating a remote controller for the bathroom heater just before bathing. At this time, it is only necessary to change the setting of the heating temperature. However, since the operation is troublesome, the heating operation is often performed with the previous set temperature. As a result, when the living room is heated at a relatively high temperature, when entering the bathroom, a heat shock may occur due to a temperature difference from the living room. This heat shock cannot be prevented even if the heating temperature of the bathroom is corrected according to the hot water temperature of the bath.
[0007]
Further, the bathroom heater is controlled so as to reduce the circulation air volume when the temperature detected by the room temperature sensor provided in the heater body approaches the heating set temperature. Then, after a while after reducing the circulating air volume, the temperature in the low part of the bathroom becomes lower than the set temperature. However, the room temperature sensor in the main body of the heater placed in a high place such as the ceiling of the bathroom cannot detect this even if the temperature of the low place is low, and it is left as it is, and it makes the bather uncomfortable. It may end up.
[0008]
In view of the above, the present invention provides a control system for a bathroom heater that can prevent the occurrence of heat shock due to the temperature difference between the living room and the bathroom and the occurrence of temperature unevenness in the bathroom. It is an issue.
[0009]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides a bathroom heater that includes a heat exchanger that passes hot water from a hot water supply heat source machine as a heat source in the heater body, and that heats while circulating the air in the bathroom. a control system, placed in living rooms other than the bathroom and changing room, a first remote controller for the hot water supply heat source apparatus, disposed in the bathroom, respectively at room temperature and a second remote controller for the hot water supply heat source apparatus A sensor is provided, and the temperature detected by each of the room temperature sensors is determined using a signal line between each of the first and second remote controllers and the hot water source and a signal line between the hot water source and the bathroom heater. Controls the operation of the bathroom heater so that the bathroom temperature becomes a target temperature determined based on the temperature detected by the room temperature sensor provided in the first remote controller through the heat source device. , The second Characterized by varying the amount of circulating air in the air in the bathroom, based on the difference between the temperature of the temperature sensor provided in the main body of over room temperature sensor provided on preparative controller detected temperature and bathroom heater.
[0010]
According to said structure, a bathroom is heated so that it may become the target temperature according to the detection temperature of the room temperature sensor incorporated in the 1st remote controller (what is called a kitchen remote control) for hot water supply heat sources, ie, the room temperature of a living room. As a result, heat shock due to a temperature difference between the living room and the bathroom is prevented.
[0011]
Moreover, although the main body of the bathroom heater is arranged at a high place in the bathroom, the second remote controller for the hot water supply heat source machine (so-called bathroom remote controller) is generally so that it can be operated while in the bathtub, Located in the low part of the bathroom. For this reason, the room temperature sensor incorporated in the second remote controller detects the temperature of the low part of the bathroom. Therefore, the deviation between the detection temperature of the room temperature sensor incorporated in the second remote controller and the detection temperature of the room temperature sensor provided in the main body of the heater increases when the temperature of the low part of the bathroom decreases due to uneven temperature. It is. And according to this invention, since the circulation air volume of the air in a bathroom is varied according to the said deviation, when temperature nonuniformity arises, a circulation air volume is increased and temperature nonuniformity is eliminated rapidly.
[0012]
By the way, it is conceivable that room temperature sensors are arranged in the living room and in the lower part of the bathroom regardless of the remote controller for the hot water source, and each room temperature sensor is connected to the bathroom heater via a signal line. Wiring work of signal lines becomes troublesome. On the other hand, if a room temperature sensor is provided in the remote controller for the hot water supply heat source as in the present invention, the detected temperature data of the room temperature sensor can be transmitted to the hot water supply heat source machine by wiring for the remote controller. In this case, the wiring of the signal line between the bathroom heater and the hot water source heat source is required, but in the present invention , hot water from the hot water source heat source is passed as a heat source provided in the body of the bathroom heater. from using a heat exchanger to be, it can send the detected temperature data of the temperature sensor in the control line between the bath heater and hot water supply heat source unit. Therefore, the wiring work for the signal line for transmitting the detected temperature data is not necessary, which is extremely reasonable.
[0013]
In the above configuration of the present invention, the room temperature sensor is incorporated in each of the first and second remote controllers for the hot water supply heat source unit, but the room temperature sensor is incorporated only in the first remote controller, and the bathroom temperature is the room temperature sensor. The bathroom heater may be controlled to reach a target temperature determined based on the detected temperature. According to this, it cuts with preventing heat shock by a temperature difference between the residence chamber and bathroom.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Referring to FIG. 1, 1 is a bathroom heater for heating the bathroom BR, 2 is a hot water supply function to each hot water supply location of the house including the currant 3 and the shower 4 in the bathroom BR, and a hot water filling to the bathtub 5 It shows a hot water supply heat source machine having a bath function such as reheating.
[0015]
The bathroom heater 1 is provided with a heat exchanger 7 for passing warm water from the hot water supply heat source 2 and a circulation fan (not shown) in a heater body 6 disposed on the ceiling or the like of the bathroom BR. The inside air is heated by the heat exchanger 7 while being circulated through the heater main body 6 by the operation of the circulation fan, thereby heating the bathroom BR.
[0016]
A remote controller 9 disposed in a dressing room or the like is connected to the controller 8 of the bathroom heater 1. Although not shown, the remote controller 9 is provided with an operation switch, a mode selection switch, and a temperature setting switch. The mode selection switch has a normal mode for heating to a temperature set by the temperature setting switch, and a heat shock prevention for heating to a temperature corresponding to the room temperature of the living room LD such as a living room other than the bathroom BR and the dressing room. The mode can be selected, and when the operation switch is turned on, the heating operation is started in the mode selected by the mode selection switch. Further, a room temperature sensor 10 made of a thermistor or the like is provided in the heater main body 6, and detected temperature data of the room temperature sensor 10 is input to the controller 9.
[0017]
Connected to the controller 11 of the hot water source 2 is a first remote controller 12 (so-called kitchen remote controller) disposed in the living room LD and a second remote controller 13 (so-called bathroom remote controller) disposed in the bathroom BR. Has been. These remote controllers 12 and 13 are configured to perform a hot water supply temperature setting operation and a hot water temperature setting operation for the bathtub 5, and a hot water filling operation for the bathtub 5 and a start operation for a reheating operation. Further, during the heating operation of the bathroom heater 1, a hot water supply command is sent from the controller 8 of the bathroom heater 1 to the controller 11 of the hot water supply heat source machine 2 to circulate hot water between the hot water supply heat source machine 2 and the heat exchanger 7. . The second remote controller 13 is disposed at a relatively low place in the bathtub 5 so that an operation such as chasing can be performed while in the bathtub 5.
[0018]
Both the first and second remote controllers 12 and 13 are provided with room temperature sensors 14 and 15 each composed of a thermistor or the like. The detected temperature data of each of the room temperature sensors 14 and 15 is transmitted to the controller 11 of the hot water supply heat source device 2 via the signal lines 16 and 17 between the remote controllers 12 and 13 and the hot water supply heat source device 2. It is transmitted from the controller 11 to the controller 8 of the bathroom heater 1 via the signal line 18 between the hot water supply heat source 2 and the bathroom heater 1.
[0019]
At the time of heating operation of the bathroom BR by the bathroom heater 1, as shown in FIG. 2, the controller 8 first selects the mode selected by the remote controller 9 in the step S1 between the normal mode and the heat shock prevention mode. Is determined. When the normal mode is selected, the heating target temperature YT is determined to be the set temperature TS set by the remote controller 9 in step S2. On the other hand, when the heat shock prevention mode is selected, in step S3, the detected temperature TLD of the room temperature sensor 14 provided with the heating target temperature YT in the first remote controller 12, that is, the first remote controller 12 is set. Determine the room temperature of the living room LD.
[0020]
Next, in step S4, a hot water supply command is issued to the hot water supply heat source unit 2, and hot water is circulated through the heat exchanger 7 by the hot water supply heat source unit 2. During the heating operation, hot water is continuously circulated through the heat exchanger 7.
[0021]
During the heating operation, in step S5, a deviation ΔT between the detected temperature TBH of the room temperature sensor 10 provided in the heater main body 6 and the detected temperature TBL of the room temperature sensor 14 provided in the second remote controller 13 is calculated. It is calculated, and it is determined whether or not the deviation ΔT is a predetermined value YΔT (for example, 1 ° C.) or more. If ΔT <YΔT, it is determined in step S6 whether or not the detected temperature TBH of the room temperature sensor 10 provided in the heater body 6 is equal to or higher than the target temperature YT. And while TBH <YT, it progresses to the step of S7, and heating operation is performed in the state which increased the circulating air volume of the air in bathroom BR. As a result, the bathroom temperature is quickly raised to the target temperature YT. When TBH ≧ YT, the process proceeds to step S8, the circulating air volume is reduced, and the heating operation for heat insulation is started.
[0022]
If the circulating air volume is reduced in this way, temperature unevenness may occur, and the temperature in the low part of the bathroom BR may be lowered. Here, since the 2nd remote controller 13 is arrange | positioned in the low place of bathroom BR, the detection temperature of the room temperature sensor 15 incorporated in this remote controller 13 represents the temperature of the low place of bathroom BR. Accordingly, when temperature unevenness occurs, the deviation ΔT between the detection temperature TBH of the room temperature sensor 10 in the heater main body 6 disposed at a high place in the bathroom BR and the detection temperature TBL of the room temperature sensor 15 increases. When ΔT ≧ YΔT, the routine proceeds to step S7, where the circulating air volume is increased. Therefore, the temperature unevenness is quickly eliminated.
[0023]
When the heat shock prevention mode is selected, the target temperature YT is set to the room temperature TLD of the living room LD detected by the room temperature sensor 14 incorporated in the first remote controller 12. Therefore, it is possible to prevent a heat shock due to a temperature difference between the living room LD and the bathroom BR, which is felt when a person in the warmed and heated living room LD enters the bathroom BR to take a bath, and to take a comfortable bath. Can do.
[0024]
The target temperature YT can be determined so as to have a predetermined temperature difference with respect to the detected temperature TLD of the room temperature sensor 14 incorporated in the first remote controller 12, and this temperature difference is arbitrarily determined by the remote controller 9. It may be possible to set to.
[Brief description of the drawings]
FIG. 1 is an overall configuration diagram of a control system for a bathroom heater according to the present invention.
FIG. 2 is a flowchart showing control during heating operation.
[Explanation of symbols]
BR ... Bathroom LD ... Residence room 1 ... Bathroom heater 2 ... Hot water source 6 ... Heater body 7 ... Heat exchanger 8 ... Controller 10 ... Room temperature sensor 12 ... First remote controller 13 ... Second remote controller 14, 15 ... Room temperature sensor

Claims (2)

In the main body of the heater, as a heat source, a heat exchanger for passing hot water from a hot water supply heat source unit, and a control system for a bathroom heater that heats while circulating the air in the bathroom,
A room temperature sensor is provided in a remote controller for a hot water supply heat source device, which is arranged in a living room other than the bathroom and dressing room , and the detected temperature of the room temperature sensor is a signal line between the remote controller and the hot water supply heat source device, the hot water supply heat source device and the bathroom. Send to the bathroom heater via the hot water source using the signal line between the heater and
A control system for a bathroom heater, wherein the operation of the bathroom heater is controlled so that the bathroom temperature becomes a target temperature determined based on a temperature detected by the room temperature sensor. In the main body of the heater, as a heat source, a heat exchanger for passing hot water from a hot water supply heat source unit, and a control system for a bathroom heater that heats while circulating the air in the bathroom,
A room temperature sensor is provided in each of the first remote controller for the hot water supply heat source device disposed in the living room other than the bathroom and the dressing room , and the second remote controller for the hot water supply heat source device disposed in the bathroom. The temperature detected by the sensor is determined by using a signal line between each of the first and second remote controllers and the hot water source and a signal line between the hot water source and the bathroom heater via the hot water source. Send to the heater,
Controlling the operation of the bathroom heater so that the bathroom temperature becomes a target temperature determined based on the detected temperature of the room temperature sensor provided in the first remote controller;
The bathroom is characterized in that the circulating air volume in the bathroom is varied in accordance with the deviation between the temperature detected by the room temperature sensor provided in the second remote controller and the temperature detected by the room temperature sensor provided in the body of the bathroom heater. Heater control system.

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