JP7120952B2 - bathroom heating system - Google Patents

Description

The present invention provides a hot water supply apparatus capable of performing a hot water filling operation for supplying hot water to a bathtub installed in a bathroom, and spraying hot water or a cleaning liquid containing hot water and detergent toward the inner wall of the bathtub to wash the inner wall of the bathtub. A bathtub washing device capable of executing a bathtub washing operation, a bathroom heating device capable of executing a bathroom heating operation for heating the inside of the bathroom, and a controller for controlling the operation of the hot water supply device, the bathtub washing device and the bathroom heating device. Regarding the bathroom heating system.

Conventionally, a water heater capable of filling hot water into the bathtub, a bathroom heater capable of heating the bathroom, and a controller for controlling the operation of the hot water heater and the bathroom heater. A bathroom heating system including a bathroom remote controller is known (see, for example, Patent Document 1). In this bathroom heating system, when an interlocking switch of a bathroom remote controller is turned on, the bathroom heating operation is started in conjunction with the hot water filling operation after the hot water filling operation is started, and the bathroom heating operation is stopped after the hot water filling operation is completed.

JP 2004-347222 A

By the way, the maximum heating capacity of the bathroom heater differs depending on the model and heat source. When a bathroom heater with a low maximum heating capacity is installed in the bathroom, even with the above bathroom heating system, there is a problem that the room temperature of the bathroom does not reach the set temperature for the bathroom heating operation when the hot water filling operation is completed.

SUMMARY OF THE INVENTION In view of the above points, an object of the present invention is to provide a bathroom heating system that can efficiently heat the inside of a bathroom to a set temperature when taking a bath, thereby improving convenience.

In order to solve the above-mentioned problems, the present invention provides a hot water supply apparatus capable of performing a hot water filling operation for supplying hot water to a bathtub installed in a bathroom, and a washing liquid, which is a mixture of hot water and detergent, directed toward the inner wall of the bathtub. A bathtub washing device capable of executing a bathtub washing operation of spraying and washing the inner wall of the bathtub, a bathroom heating device capable of executing a bathroom heating operation of heating the inside of the bathroom, and operation control of the hot water supply device, the bathtub washing device and the bathroom heating device. wherein, when the hot-water filling operation is instructed, the control unit causes the bathtub cleaning operation and the bathroom heating operation to be performed in parallel, and the hot-water filling operation is completed after the bathtub cleaning operation is completed. It is characterized by executing driving.

According to the present invention, when the hot water filling operation is instructed, the control unit executes the bathtub cleaning operation and the bathroom heating operation in parallel, and executes the hot water filling operation after the completion of the bathtub washing operation. The inside of the bathroom can be heated before the start, and the heating of the bathroom can be assisted by the amount of heat of the hot water sprayed during the bathtub washing operation. Therefore, the inside of the bathroom can be efficiently heated to the set temperature when taking a bath, and convenience is improved.

Further, in the present invention, it is desirable that the controller changes the temperature of the hot water to be sprayed during the bathtub cleaning operation according to the maximum heating capacity of the bathroom heater. According to this, in the case of a bathroom heater having a small maximum heating capacity, the auxiliary capacity of the bathroom heating can be increased by increasing the hot water temperature during the bathtub cleaning operation. Therefore, the time for the bathroom heating operation can be shortened. In addition, in the case of a bathroom heater with a large maximum heating capacity, lowering the temperature of hot water can reduce the amount of heat required for heating the bathroom, thereby saving energy.

Further, in the present invention, it is preferable that a bathroom temperature measuring unit for measuring the room temperature of the bathroom is provided, and the control unit changes the temperature of hot water to be sprayed during the bathtub cleaning operation according to the room temperature of the bathroom measured by the bathroom temperature measuring unit. . According to this, when the room temperature of the bathroom is low, the auxiliary capacity of the bathroom heating can be increased by increasing the temperature of hot water during the bathtub washing operation. Therefore, the time for the bathroom heating operation can be shortened. In addition, when the room temperature of the bathroom is high, the amount of heat required for heating the bathroom can be reduced by lowering the temperature of the hot water, thereby saving energy.

BRIEF DESCRIPTION OF THE DRAWINGS The block diagram which shows roughly one Embodiment of the bathroom heating system of this invention. 4A is a flowchart showing an example of operation control of a hot water supply device, a bathtub cleaning device, and a bathroom heating device performed by a control unit; (b) is a correspondence table between the room temperature of the bathroom (bathroom temperature) and the hot water temperature (washing temperature) during the bathtub washing operation. (c) is a correspondence table between bathroom temperature and hot water temperature (rinsing temperature) during bathtub cleaning operation. 4A is a flowchart showing another example of operation control of the hot water supply device, the bathtub cleaning device, and the bathroom heating device performed by the control unit; (b) is a correspondence table between the maximum heating capacity (bath heating capacity) of the bathroom heater and the washing temperature and rinsing temperature. 3(a) is a flowchart showing still another example of operation control of the hot water supply device, the bathtub cleaning device, and the bathroom heating device performed by the control unit; (b) is an example of a correspondence table of bath heating capacity, bathroom temperature, and cleaning temperature. (c) is an example of a correspondence table of bath heating capacity, bath temperature, and rinsing temperature.

A bathroom heating system 1 that is an embodiment of the present invention will be described below with reference to FIG. The bathroom heating system 1 includes a hot water supply device 2 capable of performing a hot water filling operation for supplying hot water to a bathtub BT installed in the bathroom BR, and spraying hot water or a cleaning liquid mixed with hot water and detergent toward the inner wall of the bathtub BT. A bathtub washing device 3 capable of executing a bathtub washing operation for washing the inner wall of the bathtub BT and a bathroom heating device 4 capable of executing a bathroom heating operation for heating the inside of the bathroom BR are provided.

The hot water supply device 2 is a gas water heater or a gas hot water heater, which is a type of heat source installed outside (outdoors, etc.) of the bathroom BR. The gas water heater or gas hot water heater is supplied with clean water and combustion gas through a water supply pipe 51 and a gas supply pipe 52, respectively. A hot water supply heat exchanger, a bath heat exchanger, various pipes, various valves, various sensors, a hot water supply controller 21, and the like are provided. Between the hot water supply device 2 and the bathtub BT, a service pipe 53 for supplying hot water generated by the hot water supply device 2 to the bathtub BT and a return pipe 54 for returning the hot water in the bathtub BT to the hot water supply device 2 are interposed.

A supply pipe 55 is provided between the hot water supply device 2 and the bathtub BT to supply hot water generated by the hot water supply device 2 during the bathtub cleaning operation, and the bathtub cleaning device 3 is provided downstream of the supply pipe 55. It is The bathtub cleaning device 3 includes a cleaning nozzle 31 having spray holes, a detergent tank and various valves (not shown), and a hot water supply device through the supply pipe 55. 2, a detergent mixing unit (not shown) that mixes the detergent in the detergent tank with the hot water supplied from the washing machine 2 to generate a cleaning liquid, a bathtub cleaning control unit 32, and the like.

The bathroom heating device 4 is installed on the ceiling of the bathroom BR, and an outlet and an inlet (not shown) face the inside of the bathroom BR. The bathroom heating device 4 is of an electric type, and includes a motor, a fan and a heater (not shown), a bathroom heating controller 41, and the like. In addition to the bathroom heating operation, the bathroom heating device 4 has a drying operation for drying laundry in the bathroom BR, a cooling operation for introducing outside air into the bathroom BR without operating the heater, and a cooling operation for introducing outside air into the bathroom BR. It is also possible to perform a ventilation operation or the like in which air is exchanged with outside air.

A dressing room remote control 42 for operating the bathroom heater 4 is installed on the inner wall surface of the dressing room adjacent to the bathroom BR. The dressing room remote controller 42 is connected to the bathroom heater 4 by wire, and has a display unit that displays the operation status and a plurality of operation switches that allow the user to select and operate various operations (not shown). An input signal by operating the operation switch is input to the bathroom heating control section 41 of the bathroom heating device 4 by wired communication.

The hot water supply control unit 21, the bathtub washing control unit 32, and the bathroom heating control unit 41 are all composed of a microcomputer equipped with a CPU, ROM, RAM, A/D converter, interface, etc., and each includes the hot water supply device 2, the bathtub A program corresponding to control of various operations of the washing device 3 and the bathroom heating device 4 is installed in advance.

The bathroom heating system 1 also includes a bathroom remote controller 6 installed on the inner wall surface of the bathroom BR and a kitchen remote controller 7 installed on the inner wall surface of the kitchen. Both the bathroom remote controller 6 and the kitchen remote controller 7 have display parts 61 and 71 for displaying the set temperature of the hot water and the time, etc., and a plurality of operation switches that allow the user to select and operate various operations of the hot water supply device 2 and the bathtub cleaning device 3. 62, 72, etc., and as one of the operation switches 62, operation switches 62a, 72a for instructing the hot water supply operation to the water heater 2 are provided. Further, the bathroom remote controller 6 and the kitchen remote controller 7 are interlocked, and among the operation switches 62, 72 there are operation switches (for example, operation switches 62a, 72a, etc.) for instructing the same operation. When the designated operation switch is operated by either the bathroom remote controller 6 or the kitchen remote controller 7, both the bathroom remote controller 6 and the kitchen remote controller 7 are simultaneously operated. The bathroom remote controller 6 and the kitchen remote controller 7 are wired to both the hot water supply device 2 and the bathtub cleaning device 3 . Therefore, signals input by operating the operation switches 62 and 72 are transmitted to either one or both of the hot water supply control section 21 and the bathtub cleaning control section 32 by wired communication according to the details of the operation.

The bathroom heating system 1 includes a controller 8 that controls the operation of the hot water supply device 2 , the bathtub cleaning device 3 and the bathroom heating device 4 . A control unit 8 is built in the bathroom remote controller 6 . Similarly to the hot water supply control unit 21, the bathtub cleaning control unit 32, and the bathroom heating control unit 41, the control unit 8 is also composed of a microcomputer having a CPU, ROM, RAM, A/D converter, interface, etc. , a program corresponding to operation control of the bathtub cleaning device 3 and the bathroom heating device 4 is installed in advance.

The operation control of the hot water supply device 2, the bathtub cleaning device 3 and the bathroom heating device 4 performed by the control unit 8 is performed by turning ON the operation switches 62a and 72a of the bathroom remote control 6 or the kitchen remote control 7 and instructing the hot water supply operation of the hot water supply device 2. When it is done, the bathtub washing operation of the bathtub washing device 3 and the bathroom heating operation of the bathroom heating device 4 are executed in parallel, and after the bathtub washing operation is completed, the bathroom heating operation is continued and the hot water filling operation is executed. be. In order to perform such control, the bathroom remote controller 6 is provided with an infrared light emitting section 63, and the bathroom heater 4 is provided with an infrared light receiving section 43 at a position where the infrared light emitted from the infrared light emitting section 63 can be received. Infrared communication is enabled from the bathroom remote control 6 to the bathroom heating device 4. - 特許庁

Both the infrared light emitting section 63 and the infrared light receiving section 43 can be replaced with infrared light receiving and emitting sections. By using the infrared light receiving/emitting unit, the bathroom heater 4 and the bathroom remote controller 6 can perform two-way infrared communication. It can be automatically sent and set by communication. Of course, the information on the maximum heating capacity of the bathroom heater 4 can also be manually set in the controller 8 via the bathroom remote controller 6 or the like when the bathroom heater 4 is installed. When the maximum heating capacity of the bathroom heating device 4 is set, the control unit 8 performs the operation control of the hot water supply device 2, the bathtub washing device 3 and the bathroom heating device 4 according to the maximum heating capacity of the bathroom heating device 4. can be done.

Further, the bathroom remote controller 6 is provided with a temperature sensor 64 as a bathroom temperature measuring section for measuring the room temperature of the bathroom BR. A signal corresponding to the room temperature of the bathroom BR measured by the temperature sensor 64 is transmitted to the control unit 8, and the control unit 8 controls the operation of the hot water supply device 2, the bathtub cleaning device 3, and the bathroom heating device 4 to the room temperature of the bathroom BR. can be done accordingly. The position where the temperature sensor 6 is installed is not limited to the bathroom remote control 6, and can be the inner wall surface, the ceiling surface, or the like of the bathroom BR where the room temperature of the bathroom BR can be measured.

An example of operation control of the hot water supply device 2, the bathtub cleaning device 3, and the bathroom heating device 4 performed by the control unit 8 of the bathroom heating system 1 shown in FIG. 1 will be described with reference to FIGS. 2(a) to 2(c). do. The operation control of the control unit 8 shown in the flowchart of FIG. 2A is based only on the room temperature of the bathroom BR (bathroom temperature) measured by the temperature sensor 64, and the maximum heating capacity of the bathroom heater 4 is based on this. Not involved in driving control.

At the time of starting, the hot water supply device 2, the bathtub cleaning device 3 and the bathroom heating device 4 are each powered by the household power supply, and the water heating device 2, the bathtub cleaning device 3 and the bathroom heating device 4 are all in various operations. is in a standby state. Also, the bathtub BT is not covered, and a drain plug (not shown) installed at the bottom of the bathtub BT is kept in a closed state as a drain trap.

When the user turns ON the operation switches 62a, 72a of the bathroom remote controller 6 or the kitchen remote controller 7 to input an instruction to start the hot water filling operation of the hot water supply device 2 to the control unit 8 (STEP 1), the temperature sensor 64 detects the temperature of the bathroom. The bathroom temperature Tb1, which is the room temperature of the BR, is measured, and a signal regarding the measured bathroom temperature Tb1 is output to the controller 8, and the controller 8 confirms the bathroom temperature Tb1 based on the signal (STEP 2). In the controller 8, the temperature of the hot water used in the bathtub cleaning operation of the bathtub cleaning device 3 with respect to the bathroom temperature Tb1, that is, the cleaning temperature Tw, is preset as shown in the correspondence table of FIG. 2(b). That is, if the bathroom temperature Tb1 is low, the washing temperature Tw is raised, and if the bathroom temperature Tb1 is high, the washing temperature Tw is lowered. Further, if the bathroom temperature Tb1 is in the middle temperature range between the high temperature range and the low temperature range, the washing temperature Tw is also set in the middle temperature range. Here, the low temperature range, medium temperature range, and high temperature range of the bathroom temperature Tb1 are, for example, less than 15° C., 15° C. or more and less than 20° C., and 20° C. or more. 50°C, 40°C and 30°C are exemplified. The correspondence table of FIG. 2(b) is an empirical value, and the controller 8 determines the cleaning temperature Tw according to the correspondence shown in the correspondence table of FIG. 2(b) (STEP 3).

Further, an instruction signal for starting the bathtub washing operation is transmitted from the controller 8 to the hot water supply controller 21 and the bathtub washing controller 32 by wired communication. Upon receiving the instruction signal, the hot water supply device 2 and the bathtub cleaning device 3 enter the bathtub cleaning operation mode, and first start the cleaning operation (STEP 4). In this cleaning operation, the hot water supply device 2 generates hot water at the cleaning temperature Tw determined by the control unit 8 , and the generated hot water is supplied from the water heating device 2 to the bathtub cleaning device 3 through the supply pipe 55 . Further, the bathtub cleaning device 3 mixes the hot water with a detergent to generate a cleaning liquid, and sprays the generated cleaning liquid from the spray holes of the cleaning nozzle 31 toward the inner wall of the bathtub BT. Further, an instruction signal to start the bathroom heating operation is transmitted from the infrared light emitting section 63 of the bathroom remote control 6 to the infrared light receiving section 43 of the bathroom heating device 4 by infrared communication, and the bathroom heating device 4 is set in the bathroom heating control section 41. Hot air of the set temperature is generated and blown into the bathroom BR to start the bathroom heating operation (STEP 5). At this time, the dressing room remote controller 42 is in the same state as when the operation switch instructing the bathroom heating operation is turned on. The order of starting the washing operation and the bathroom heating operation may be the order of the flow chart shown in FIG. 2(a), reverse or simultaneous. In either case, the bathtub cleaning operation and the bathroom heating operation are performed in parallel.

At the start of the cleaning operation, instead of spraying the cleaning liquid from the beginning, pre-cleaning may be carried out by spraying only hot water at the cleaning temperature Tw, and after this pre-cleaning, main cleaning may be carried out by spraying the cleaning liquid. .

After the cleaning operation is started, it is determined whether or not the cleaning of the inner wall of the bathtub BT is completed (STEP 6). This determination is made by the hot water supply controller 21 of the hot water supply device 2 . The hot water supply controller 21 is preset with data relating to the bathtub cleaning time, and is also provided with a timer for counting the elapsed cleaning time. When the elapsed cleaning time counted by the timer reaches the set time, the hot water supply device 2 stops supplying hot water to the bathtub cleaning device 3, and the bathtub cleaning device 3 stops generating and spraying the cleaning liquid to complete the cleaning operation. do. At this time, the temperature sensor 64 measures the bathroom temperature Tb2 again, and the controller 8 confirms the bathroom temperature Tb2 in the same manner as in STEP2 (STEP7).

Following the washing operation is the rinsing operation. In the rinsing operation, only the hot water generated by the hot water supply device 2 and supplied through the supply pipe 55 is sprayed from the spray holes of the cleaning nozzle 31 of the bathtub cleaning device 3 toward the inner wall of the bathtub BT to which the cleaning liquid has been sprayed. be done. The temperature of hot water for rinsing, that is, the rinsing temperature Tr is also preset in the control unit 8 as shown in the correspondence table of the bathroom temperature Tb2 and FIG. 2(c). The correspondence table of FIG. 2(c) can be the same as the correspondence table of FIG. 2(b), and also exemplifies the temperature range of the bath temperature Tb2 and the numerical value of the rinse temperature Tr for this temperature range. After the controller 8 determines the rinsing temperature Tr (STEP 8), the hot water supply device 2 and the bathtub cleaning device 3 start the rinsing operation (STEP 9).

After starting the rinsing operation, it is determined whether or not the rinsing of the inner wall of the bathtub BT is completed (STEP 10). This determination is also made by the hot water supply control unit 21, and the determination method conforms to the determination of the completion of the cleaning operation. When the completion of the rinsing operation is determined, the water heater 2 stops supplying hot water to the bathtub cleaning device 3, the bathtub cleaning device 3 stops spraying hot water, and the cleaning operation is completed. The bath cleaning operation time, that is, the time from the start of the cleaning operation to the completion of the rinsing operation, is, for example, 10 to 15 minutes.

After the bathtub cleaning operation is completed, the control unit 8 continues the bathroom heating operation of the bathroom heating device 4 without sending an instruction signal to stop the bathroom heating to the bathroom heating control unit 41, and instructs the hot water supply control unit 21 to start the hot water filling operation. to set the hot water supply device 2 to the hot water filling operation mode and start the hot water filling operation (STEP 11). Hot water supply device 2 generates hot water at a temperature preset in hot water supply control unit 21 and supplies the hot water to bathtub BT via supply pipe 53 . In the hot water filling operation, after reaching a predetermined water level, a hot water heating operation is also performed in which the hot water in the bathtub BT is adjusted to a set temperature by the hot water supply device 2 through the return pipe 54.例文帳に追加Then, the hot water supply control unit 21 determines completion of the hot water filling operation (STEP 12). This determination can be made based on the measurement results of the water level in the bathtub BT, hot water temperature, and the like. Although it varies depending on the amount of hot water supplied, the set temperature, etc., the hot water filling operation time is usually about 20 minutes.

After the hot water filling operation is completed, the temperature sensor 64 measures the room temperature (bathroom temperature) of the bathroom BR again, and the bathroom heating controller determines whether or not the measured bathroom temperature is equal to or higher than a preset set temperature Tbset. 41 (STEP 13). When the bathroom temperature is equal to or higher than the set temperature Tbset, the bathroom heating controller 41 stops the bathroom heating operation of the bathroom heater 4 (STEP 14). At this time, the operation switches 62a and 72a of the bathroom remote controller 6 and the kitchen remote controller 7 are automatically turned off, and the bathroom heating operation switch of the dressing room remote controller 42 is automatically turned off. On the other hand, when the bathroom temperature is lower than the set temperature Tbset, the bathroom heating operation is continued, and the bathroom heater 4 continues heating the inside of the bathroom BR up to the set temperature Tbset.

In this manner, the operation control of the hot water supply device 2, the bathtub cleaning device 3 and the bathroom heating device 4 by the control unit 8 as shown in the flow chart of FIG. , bathroom heating can be assisted by the amount of heat of hot water sprayed during bathtub cleaning operation. Therefore, the inside of the bathroom BR can be efficiently heated to the set temperature Tbset when taking a bath, and convenience is improved. In addition, the control unit 8 changes the temperature of hot water to be sprayed during the bathtub cleaning operation according to the room temperature of the bathroom BT measured by the temperature sensor 64. Therefore, if the room temperature of the bathroom BR is low, the temperature of the hot water during the bathtub cleaning operation is increased. By doing so, the auxiliary capacity of the bathroom heating can be increased. Therefore, the time for the bathroom heating operation can be shortened. In addition, when the room temperature of the bathroom BT is high, the amount of heat required for heating the bathroom can be reduced by lowering the temperature of hot water, thereby saving energy.

Another example of operation control of the hot water supply device 2, the bathtub washing device 3, and the bathroom heating device 4 performed by the control unit 8 of the bathroom heating system 1 shown in FIG. 1 will be described with reference to FIGS. 3(a) and 3(b). . The operation control of the control unit 8 shown in the flow chart of FIG. is involved only when the bathroom heating operation of the bathroom heating device 4 is stopped. Further, in the flowchart of FIG. 3A, the same steps as in the flowchart of FIG.

In the operation control of the control unit 8 shown in the flowchart of FIG. 3A, after STEP 1 of the flowchart shown in FIG. determines the hot water temperature (washing temperature Tw and rinsing temperature Tr) during the bathtub washing operation (STEP 15). In the controller 8, the washing temperature Tw and the rinsing temperature Tr of the hot water used in the bathtub washing operation of the bathtub washing device 3 with respect to the bath heating capacity are set in advance as shown in the correspondence table shown in FIG. 3(b). That is, if the bath heating ability is low, the washing temperature Tw and the rinsing temperature Tr are increased, and if the bath heating ability is high, the washing temperature Tw and the rinsing temperature Tr are decreased. Further, if the bath heating capacity is intermediate between high capacity and low capacity, the washing temperature Tw and the rinsing temperature Tr are set in the middle temperature range. Here, low, medium, and high bath heating capacities are exemplified by, for example, less than 1 kw, 1 kw or more and less than 10 kw, and 10 kw or more. 50°C, 40°C and 30°C are exemplified. The correspondence table shown in FIG. 3(b) is also an empirical value, and the control unit 8 determines the washing temperature Tw and the rinsing temperature Tr according to the correspondence relationship in the correspondence table shown in FIG. 3(b).

After that, the control unit 8 controls the operation of the hot water supply device 2, the bathtub cleaning device 3, and the bathroom heating device 4 according to the flowchart of FIG. 2(a). Since the rinsing temperature Tr is also determined in STEP15, STEP7 and STEP8 shown in the flowchart of FIG. 2A are omitted in the operation control of the control unit 8 shown in the flowchart of FIG. 3A.

In the case of the bathroom heating device 4 with a small maximum heating capacity, the operation control of the hot water supply device 2, the bathtub cleaning device 3 and the bathroom heating device 4 performed by the control unit 8 as shown in the flow chart of FIG. By increasing the temperature of hot water during the washing operation, it is possible to increase the auxiliary capacity of the bathroom heating. Therefore, the time for the bathroom heating operation can be shortened. Also, in the case of the bathroom heater 4 having a large maximum heating capacity, by lowering the temperature of the hot water, the amount of heat required for heating the bathroom can be reduced, and energy can be saved.

4A to 4C, another example of the operation control of the hot water supply device 2, the bathtub cleaning device 3, and the bathroom heating device 4 performed by the control unit 8 of the bathroom heating system 1 shown in FIG. explain. The operation control of the control unit 8 shown in the flowchart of FIG. 4A differs from the operation control shown in the flowchart of FIG. are identical. Therefore, each STEP in the flowchart of FIG. 4(a) is given the same reference numeral, and the description thereof will be omitted below.

The operation control of the control unit 8 shown in the flow chart of FIG. (STEP 3 and STEP 8). That is, in the control unit 8, the cleaning temperature Tw corresponding to the combination of the bathroom temperature Tb1 and the bath heating capacity is preset as shown in the correspondence table of FIG. 4(b). Numerical values shown in the correspondence table of FIG. 4(b) are the washing temperatures Tw in units of degrees Celsius. A partial example of the method for determining the cleaning temperature Tw of the control unit 8 based on the correspondence shown in the correspondence table of FIG. (for example, less than 15°C), the controller 8 sets the cleaning temperature Tw to 60°C. If the bath heating capacity is medium (for example, 1 kw or more and less than 10 kw) and the bath temperature Tb1 is in the medium temperature range (for example, 15° C. or more and less than 20° C.), the controller 8 sets the washing temperature Tw to 45° C. do. Furthermore, when the bath heating capacity is high (for example, 10 kw or more) and the bathroom temperature Tb1 is in a high temperature range (for example, 20°C or more), the controller 8 sets the washing temperature Tw to 30°C.

Similarly, in the control unit 8, the rinsing temperature Tr corresponding to the combination of the bathroom temperature Tb2 and the bath heating capacity is preset as shown in the correspondence table of FIG. 4(c). Each set temperature of the rinsing temperature Tr is the same as each set temperature of the washing temperature Tw described in the correspondence table of FIG. 4(b). These correspondence tables of FIGS. 4(b) and 4(c) are empirical values like the correspondence tables described above.

The operation control of the hot water supply device 2, the bathtub cleaning device 3 and the bathroom heating device 4 performed by the control unit 8 as shown in the flow chart of FIG. 8 and the effect of the operation control of the control unit 8 as shown in the flow chart of FIG. 3(a). Therefore, the inside of the bathroom BR can be efficiently heated up to the set temperature when taking a bath, and the convenience is further improved.

Although the present invention has been described with respect to one embodiment, the present invention is not limited to the above embodiment. For example, the water heater 2 may be an electric water heater or a heat pump alone, or a hybrid heat source device such as a gas water heater and a gas water heater. Further, the bathroom heating device 4 can employ a device capable of intelligent communication with the hot water supply device 2 by wire. In this case, the maximum heating capacity of the bathroom heating device 4 can be automatically set in the control unit 8 at the time of installation, and when the operation switches 62a and 72a are turned ON to instruct the hot water filling operation, the bathroom heating device 4 An instruction signal for heating operation can be sent to the bathroom heating control unit 41 via the hot water supply control unit 21 . Therefore, the infrared light receiving section 43 of the bathroom heating device 4, the infrared light emitting section 63 of the bathroom remote control 6, and the infrared light receiving and emitting section replacing these shown in FIG. 1 can be omitted.

Further, the bathroom heating device 4 is supplied with hot water generated by the hot water supply device 2, and is equipped with a gas-liquid heat exchanger using this hot water as a heat source to heat outside air and supply warm air into the bathroom BR. A hot water supply heating type for heating can be adopted. Furthermore, the control unit 8 may be incorporated in the kitchen remote controller 7 or the water heater 2 , and when incorporated in the water heater 2 , the control unit 8 can be merged with the hot water supply control unit 21 . Then, the control unit 8 controls the hot water supply operation of the hot water supply device 2, the bathtub cleaning operation of the bathtub cleaning device 3, and the operation of the bathroom heating device 4 without going through the hot water supply control unit 21, the bathtub cleaning control unit 32, and the bathroom heating control unit 41. It is also possible to directly control the bathroom heating operation. Further, the instruction for the hot water filling operation is not limited to the ON operation of the operation switches 62a and 72a by the user. For example, a timer is provided in the control unit 8, and a hot water filling operation start time is set in advance in this timer or in a timer provided in the hot water supply control unit 21 so that the hot water filling operation is automatically instructed at the set time. Alternatively, the program installed in the control unit 8 and the hot water supply control unit 21 is provided with a learning function, the start time of the hot water filling operation by the user is stored, and the hot water filling operation is started at the start time judged to be optimum from the tendency. It is also possible to have the instructions automatically given.

DESCRIPTION OF SYMBOLS 1... Bathroom heating system, 2... Hot water supply apparatus, 3... Bathtub cleaning apparatus, 4... Bathroom heating apparatus, 64... Temperature sensor (bathroom temperature measuring part), 8... Control part, BR... Bathroom, BT... Bathtub.

Claims (3)

A hot water supply device capable of performing a hot water filling operation for supplying hot water to a bathtub installed in a bathroom, and a bathtub cleaning operation for washing the inner wall of the bathtub by spraying hot water or a washing liquid mixed with hot water and detergent toward the inner wall of the bathtub. A bathroom heating system comprising a bathtub cleaning device that can be executed, a bathroom heating device that can perform a bathroom heating operation for heating the inside of the bathroom, and a control unit that controls the operation of the hot water supply device, the bathtub cleaning device, and the bathroom heating device. There is
The bathroom heating system is characterized in that, when the hot water filling operation is instructed, the control part concurrently executes the bathtub washing operation and the bathroom heating operation, and executes the hot water filling operation after the completion of the bathtub washing operation. 2. The bathroom heating system according to claim 1, wherein the controller changes the temperature of the hot water to be sprayed during the bathtub cleaning operation in accordance with the maximum heating capacity of the bathroom heater. A bathroom temperature measuring unit for measuring the room temperature of the bathroom is provided, and the control unit changes the temperature of hot water to be sprayed during the bathtub cleaning operation according to the room temperature of the bathroom measured by the bathroom temperature measuring unit. 2. Bathroom heating system according to claim 2.

Images