JP3862407B2 - Bathroom heating dryer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is a heating operation state in which air sucked from the bathroom is heated by the heating unit and returned to the bathroom, a part of the air sucked from the bathroom is exhausted to the outside, and the remaining air is supplied to the heating unit. Heating ventilation means that can be switched between a drying operation state that is heated and returned to the bathroom, and a ventilation operation state that exhausts air sucked from the bathroom to the outside,
The present invention relates to a bathroom heater / dryer provided with control means for controlling the operation of the heating / ventilating means based on the operating state and command information of command means for commanding execution of the operation.
[0002]
[Prior art]
Such a bathroom heating dryer is operated in a dry operation state when the laundry or the like suspended in the bathroom is dried or when the bathroom is dried.
Conventionally, the control means is configured to activate and stop the heating ventilation means in the dry operation state based on the operation start command and the stop command in the dry operation state from the command means, and the ventilation from the command means. Based on the operation start command and the stop command in the operation state, the heating ventilation unit is configured to be activated and stopped in the ventilation operation state.
[0003]
[Problems to be solved by the invention]
However, conventionally, since hot air remains in the bathroom after operation in a dry operation state, the user feels uncomfortable when using the bathroom in such a state where hot air remains in the bathroom. You will feel it. In particular, the feeling of discomfort becomes noticeable in summer.
In addition, in order to avoid feeling uncomfortable, when hot air remains in the bathroom after the operation in the dry operation state, the user commands the operation in the ventilation operation state by the command means, and the ventilation It is conceivable to exhaust the hot air by ventilating the inside of the bathroom by driving in the driving state. However, in this case, it is necessary for the user to operate the command means one by one, and even if the operation in the ventilation operation state is commanded, the user feels uncomfortable when using it immediately, and the temperature in the bathroom is hot air. Had to wait until it was exhausted and returned to near room temperature, making it unusable.
[0004]
The present invention has been made in view of such circumstances, and its purpose is to provide bathroom heating that does not cause discomfort due to residual hot air even after operation in a dry operation state, and that allows easy use of the bathroom. It is to provide a dryer.
[0005]
[Means for Solving the Problems]
According to the characteristic configuration of the first aspect, after performing the operation in the dry operation state, when it is determined that the ventilation required state is determined by the ventilation required state determining unit, an artificial operation is required. Without being carried out, the operation in the ventilation operation state is continuously carried out, the hot air remaining in the bathroom by the operation in the dry operation state is sucked and exhausted to the outside, and the interior of the bathroom is ventilated. The
Accordingly, it has become possible to provide a bathroom heater / dryer that can be used in the bathroom without causing discomfort due to residual hot air even after operation in a dry operation state.
Moreover, according to the characteristic structure of Claim 1, the temperature detection means which detects the temperature in a bathroom is provided, and the ventilation required state discrimination means is the temperature detected by the temperature detection means at the start of operation in the dry operation state. When is equal to or higher than the set temperature, it is determined that the ventilation is required.
In other words, it is noticeable that the hot air remains uncomfortable when hot air remains in the summer when it is hot. After running, there is a tendency for less discomfort even if hot air remains.
Therefore, a temperature detecting means for detecting the temperature in the bathroom is provided, and the set temperature is set appropriately, and the detected temperature of the temperature detecting means is compared with the set temperature, so that after the operation in the dry operation state It is possible to determine whether or not it is a necessary ventilation state in which the operation in the ventilation operation state is to be executed.
Therefore, it is possible to determine whether or not the ventilation is necessary with a simple configuration such as detecting the temperature in the bathroom, and the temperature detection means for detecting the temperature in the bathroom is a heating operation state or a drying operation. Since it is often provided for room temperature control during operation in a state, the present invention can be implemented at low cost.
[0006]
According to the characteristic configuration of the second aspect, in the operation in the ventilation operation state that is executed when it is determined that the ventilation required state is determined by the ventilation required state determining means, the air sucked from the bathroom In parallel with being exhausted to the outside, the air sucked from the bathroom is returned to the bathroom and the air in the bathroom is circulated, so the bathroom is ventilated as fast as possible over a wide range .
Therefore, after the operation in the dry operation state, the temperature in the bathroom can be returned to a temperature at which the user does not feel uncomfortable in a shorter time, so that the usability is further improved.
[0008]
According to the characteristic configuration of the third aspect, the time measuring means for measuring the elapsed time from the end of the operation in the dry operation state to the start of the operation in the next dry operation state is provided, and ventilation is required. When the elapsed time measured by the time measuring unit is equal to or longer than the set time, the state determining unit determines whether or not the ventilation is required.
[0009]
In other words, after the operation in the dry operation state, even if the operation in the ventilation operation state is not performed, although it takes some time for the temperature in the bathroom to return to near normal temperature, generally the previous time Since there is a time from the end of the operation in the dry operation state until the start of the operation in the next dry operation state, the temperature in the bathroom returns to near normal temperature.
However, after the operation in the dry operation state, if the operation in the next dry operation state is started for a short time when the temperature in the bathroom has not yet returned to near normal temperature, the temperature in the bathroom is still near normal temperature. In this state, it is determined whether or not the ventilation is necessary based on the temperature in the bathroom. For example, at the time when the temperature is low, hot air remains after the operation in the dry operation state is performed. Even if it does not give discomfort, there is a risk of erroneously determining that the ventilation is required.
[0010]
Therefore, when the set time is appropriately set and the elapsed time from the end of the operation in the dry operation state to the start of the operation in the next dry operation state is equal to or longer than the set time, ventilation is required. By configuring to determine whether or not the state is a state, it is possible to prevent erroneous determination of the ventilation required state.
Therefore, after the operation in the dry operation state, it is possible to prevent a problem that the operation in the ventilation operation state is executed even though it is unnecessary.
[0011]
According to the characteristic configuration of the fourth aspect of the present invention, the end determination means for determining whether or not the operation in the ventilation operation state should be ended is provided, and the operation in the ventilation operation state is performed by the end determination means. If it is determined that the state should be ended, the operation in the ventilation operation state is automatically ended.
Therefore, it is not necessary to perform an artificial operation for stopping the operation in the ventilation operation state, which further improves usability.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the bathroom heater / dryer is installed in a state of facing the bathroom BR through an opening formed in the ceiling of the bathroom BR.
The casing 1 is installed with its opening facing the opening of the ceiling of the bathroom BR, and the panel 4 having the inlet 2 and the outlet 3 is installed with the opening of the casing 1 closed, and the casing 1, a circulation ventilation path L <b> 1 that communicates the intake port 2 and the blowout port 3 is defined.
A circulation fan 5 that sucks air in the bathroom BR from the air inlet 2 into the circulation ventilation path L1 and causes the suction air to flow through the circulation ventilation path L1 and return it from the outlet 3 to the bathroom BR, and the circulation fan 5 The heat exchanger 6 that heats the air that is ventilated through the circulation ventilation path L1 at the air temperature, and the temperature of the air that is ventilated through the circulation ventilation path L1 on the upper side in the ventilation direction than the heat exchanger 6 (that is, in the bathroom BR) Each of the temperature sensors 7 for detecting the temperature T) is provided.
Further, an exhaust fan 10 that sucks a part of the air ventilated through the circulation ventilation path L1 through the exhaust opening 8 on the upper side of the ventilation direction than the heat exchanger 6 and exhausts the sucked air to the outside through the exhaust duct 9 is provided. It is provided.
[0013]
The external heat source machine WH and the heat exchanger 6 are connected by a hot water circulation path 11 so as to circulate and supply hot water as a heat medium to the heat exchanger 6, and hot water to the heat exchanger 6 is connected to the hot water circulation path 11. Is provided with a thermal valve 12 for intermittently supplying the power. The thermal valve 12 is configured so that the flow rate changes slowly when hot water is interrupted, so as to suppress the impact sound and vibration associated with the rapid change of the hot water flow rate. There is a time delay (for example, 1 to 3 minutes) from when the valve is opened to when the valve is opened and from when the valve is turned off until the valve is closed.
[0014]
That is, the heat exchanger 6 functions as a heating unit, operates the circulation fan 5, and turns on the heat valve 12 to heat the heat exchanger 6 to heat the air sucked from the bathroom BR. Heating is performed by the exchanger 6 to return to the bathroom BR, and the circulation fan 5 and the exhaust fan 10 are operated, and the heat exchanger valve 12 is turned on and the heat exchanger 6 is heated to operate the bathroom. A part of the air sucked from the BR is exhausted to the outside, and the remaining air is heated by the heat exchanger 6 to return to the bathroom BR, and the heat exchanger 12 is turned off to turn off the heat exchanger. When the exhaust fan 10 is operated in a state where the heating operation of 6 is stopped, a ventilation operation state in which the air sucked from the bathroom BR is exhausted to the outside is entered, and the thermal valve 12 is turned off to operate the heat exchanger 6. of While stopping the thermally actuated, by operating the circulation fan 5, a cool breeze operating state to return the air sucked from the bathroom BR intact bath BR.
Therefore, by using the circulation fan 5 and the exhaust fan 10, the heating ventilation unit HB that can be switched between the heating operation state, the drying operation state, and the ventilation operation state is configured.
[0015]
On the basis of various operation states and a remote controller 13 for instructing execution of the operation, and on the command information of the remote controller 13, the operation of the circulation fan 5 and the ventilation fan 10 and the heating operation of the heat exchanger 6 (specifically, the thermal valve 12) is provided.
The control device 14 is configured using a microcomputer and is installed inside the casing 1.
The remote controller 13 is installed on the wall of the entrance of the bathroom BR or the like so that the user can operate it conveniently, and is connected to the control device 14 via the communication line 15.
[0016]
Further, as shown in FIG. 2, the remote controller 13 includes a heating switch 21 for designating operation in the heating operation state (hereinafter sometimes referred to as a heating operation mode), and the drying operation state (hereinafter referred to as a drying operation mode). A drying switch 22 for instructing operation in the ventilation operation state (hereinafter sometimes referred to as a ventilation operation mode), a ventilation switch 23 for instructing operation in the ventilation operation mode (hereinafter referred to as a cool wind operation state). A cool air switch 24 for commanding operation in an operation mode), a stop switch 25 for commanding operation stop in each operation mode, a timer setting switch 26 for setting a timer setting time, and the timer setting switch 26 A timer display unit 27 for displaying the set timer setting time is provided. Each switch for instructing each operation mode is provided with a mode display lamp 21a, 22a, 23a, 23b, 24a for indicating that the mode is set. Two mode display lamps 23a and 24b for displaying the ventilation operation mode are provided so as to display two states of the fan strength.
[0017]
As shown in the flowchart of FIG. 3, when any of the mode switches 21 to 24 of the remote controller 13 is turned on, the control device 14 causes the circulation fan 5 to execute the operation in the selected operation mode. The operation of each of the ventilation fan 10 and the thermal valve 12 is controlled.
When operating in one of the operation modes of [heating], [dry], [ventilation], and [cool air], the timer setting time Hos can be set by the timer setting switch 26, and the timer setting time The operation is automatically stopped when Hos elapses. Even before the timer set time Hos elapses, the operation is stopped when the stop switch 25 is operated.
[0018]
Further, when the detected temperature T of the temperature sensor 7 at the start of operation in the dry operation mode is equal to or higher than the set temperature Ts1 for determining whether or not ventilation operation is necessary (for example, 27 ° C.), the control device 14 is in the dry operation mode. After the above operation, it is determined that the ventilation is required to be performed in the ventilation operation mode for discharging hot air, and when it is less than the set temperature Ts1 for determining whether the ventilation operation is required, it is determined that the ventilation is not necessary. It is configured.
Accordingly, the control device 14 is used to configure the ventilation required state determination unit 14a, and the temperature sensor 7 functions as a temperature detection unit that detects the temperature T in the bathroom BR.
[0019]
Further, the control device 14 uses the built-in timing means 14b to determine the elapsed time from the end of the operation in the dry operation mode to the start of the operation in the next dry operation mode (hereinafter referred to as an interval time). ) Hi is measured, and when the interval time Hi is equal to or greater than the set time for determination His (for example, 1 hour), it is configured to determine whether or not the ventilation is required.
[0020]
Next, the control operation in each operation mode will be described.
[Heating operation mode]
When the heating switch 21 is operated, the mode display lamp 21a and the timer display unit 27 are turned on, the thermal valve 12 is turned on, and the circulation fan 5 is operated. At this time, the timer setting switch 26 can set an arbitrary timer setting time Hos. When the timer setting time Hos is set by the timer setting switch 26, the timer setting time Hos is commanded to the control device 14.
[0021]
In this heating operation mode, hot water is supplied to the heat exchanger 6, the circulation fan 5 is operated, and the air sucked from the intake port 2 is ventilated through the circulation ventilation path L 1. The interior of the bathroom BR is heated by being returned to the bathroom BR from the outlet 3 after being heated.
Thereafter, when the stop switch 25 is operated or the timer set time Hos elapses, the mode display lamp 21a and the timer display unit 27 are turned off, the thermal valve 12 is turned off, and the circulation fan 5 is stopped. .
[0022]
[Dry operation mode]
This operation mode is used when drying an object to be dried containing moisture such as a laundry suspended in the bathroom BR.
Hereinafter, the control operation in the drying operation mode will be described based on the flowcharts shown in FIGS.
When the drying switch 22 is operated, the timing of the interval time Hi that has been counted from the end of the previous drying operation is stopped, the timing of the operation time Ho is started, and the mode display lamp 22a and the timer display unit 27 are started. Each is lit, and the thermal valve 12 is turned on, and the circulation fan 5 and the ventilation fan 10 are operated (steps # 1 to # 3). Also at this time, the timer setting switch 26 can set an arbitrary timer setting time Hos. When the timer setting time Hos is set by the timer setting switch 26, the timer setting time Hos is commanded to the control device 14.
[0023]
Subsequently, in step # 4, the interval time Hi is compared with the determination set time His.
When the interval time Hi has not reached the determination set time His, there is a possibility that the temperature in the bathroom BR has not returned to room temperature, and it is not possible to accurately determine whether or not the ventilation is required. Therefore, the operation in the dry operation mode is not performed until the stop switch 25 is operated or the timer set time Hos elapses and the dry operation stop command is issued without determining whether or not the ventilation is required. If there is a command to stop the drying operation, the mode display lamp 22a and the timer display unit 27 are turned off, the thermal valve 12 is turned off, and the circulation fan 5 and the ventilation fan 10 are stopped. Then, the operation in the drying operation mode is finished (steps # 5 to # 7). Subsequently, the operation time Ho is stopped and the interval time Hi is started (steps # 8 and # 9), and the process returns.
[0024]
In step # 4, when the interval time Hi has reached the set time for determination His, the temperature T in the bathroom BR has returned to substantially normal temperature, so in step # 10, based on the detected temperature T of the temperature sensor 7. Thus, a predetermined time from when the thermal valve 12 is turned on until the thermal valve 12 is opened (for example, 10 seconds between 30 seconds and 40 seconds after the thermal valve 12 is turned on) In step # 11, the average bathroom temperature Ta is compared with the ventilation operation necessity determination setting temperature Ts1, and it is determined whether or not the ventilation is required.
[0025]
When the average bathroom temperature Ta is lower than the setting temperature Ts1 for determining whether or not the ventilation operation is necessary, the ventilation is not necessary. Therefore, the process proceeds to Step # 5, and the operation in the drying operation mode is performed until a command to stop the drying operation is issued. If there is an instruction to stop the drying operation, the operation in the drying operation mode is terminated, and then the operation time Ho is stopped and the interval time Hi is started (steps # 5 to ##). 9) Return.
[0026]
In step # 11, when the average bathroom temperature Ta is equal to or higher than the setting temperature Ts1 for determining whether or not the ventilation operation is necessary, since the ventilation is required, the operation in the drying operation mode is continued until a command to stop the drying operation is issued. When there is an instruction to stop the drying operation, the mode display lamp 22a and the timer display unit 27 are turned off, and the thermal valve 12 is turned off to finish the operation in the drying operation mode. The operation in the ventilation operation mode is continued (steps # 12 to # 14).
Subsequently, the timing of the operation time Ho is stopped and the timing of the interval time Hi and the hot air discharge time He is started (steps # 15 and # 16).
[0027]
The temperature T detected by the temperature sensor 7 is equal to or lower than the set temperature Ts2 for hot air discharge operation stop determination (for example, Ts1 + 2 ° C), or the hot air discharge time He reaches the hot air discharge operation set time Hes (for example, 30 minutes). Then, the hot air discharge time He is stopped, the circulation fan 5 and the ventilation fan 10 are stopped, the operation in the ventilation operation mode for discharging hot air is finished (steps # 17 to # 20), and the process returns. .
Therefore, the end determination means 14c for determining whether or not the operation in the ventilation operation mode for discharging hot air is to be ended using the control device 14 is configured.
[0028]
In this drying operation mode, as shown in FIG. 1, hot water is supplied to the heat exchanger 6, and the circulation fan 5 and the ventilation fan 10 are operated so that the air sucked from the intake port 2 is circulated through the circulation ventilation path. A part of the air is exhausted to the outside through the exhaust opening 8 through the exhaust duct 9 and the remaining air is heated by the heat exchanger 6 and then returned from the outlet 3 to the bathroom BR. .
In this way, the moisture of the laundry and the like is evaporated, and the air containing the evaporated water is exhausted to the outside through the exhaust opening 8 through the exhaust duct 9, and the laundry installed in the bathroom BR is dried. ing.
[0029]
In the ventilation operation mode for exhausting hot air, which is determined after the operation in the dry operation mode after being determined to be in a ventilated state, the air is sucked from the intake port 2 by the ventilation operation of the circulation fan 5 and the ventilation fan 10. Air is ventilated through the circulation ventilation path L1, and part of the air is exhausted to the outside through the exhaust duct 8 through the exhaust duct 9, and the remaining air is returned as it is from the outlet 3 to the bathroom BR.
That is, in the ventilation operation mode for discharging hot air, the air sucked from the bathroom BR can be returned to the bathroom BR so that the air in the bathroom BR can be circulated. By exhausting while circulating air, hot air in the bathroom BR can be efficiently exhausted.
[0030]
[Ventilation mode]
When the ventilation switch 23 is operated, the mode display lamp 23a and the timer display unit 27 are turned on, and the ventilation fan 10 is operated. Also at this time, the timer setting switch 26 can set an arbitrary timer setting time Hos. When the timer setting time Hos is set by the timer setting switch 26, the timer setting time Hos is commanded to the control device 14.
In this ventilation operation mode, the ventilation air of the ventilation fan 10 causes the air in the bathroom BR to be sucked through the air inlet 2 and the air outlet 3 and exhausted to the outside through the exhaust duct 8 through the exhaust duct 9.
The ventilation fan 10 is provided so that the ventilation capacity (the number of rotations) can be switched between two levels of strength. The ventilation switch 23 is set to “strong” in the first operation of the ventilation switch 23, and accordingly, the mode display lamp 23 a is lit. When the ventilation switch 23 is operated again, it is set to “weak”, and accordingly, the mode display lamp 23a is turned off and the mode display lamp 23b is turned on.
Thereafter, when the stop switch 25 is operated or the timer set time Hos elapses, the mode display lamps 23a and 23b and the timer display unit 27 are turned off, and the ventilation fan 10 is stopped.
[0031]
[Cool wind driving mode]
This operation mode is used for obtaining a cool breeze feeling by circulating air through, for example, bathing in summer.
When the cool air switch 24 is operated, the mode display lamp 24a and the timer display unit 27 are turned on, and the circulation fan 5 is operated. Also at this time, the timer setting switch 26 can set an arbitrary timer setting time Hos. When the timer setting time Hos is set by the timer setting switch 26, the timer setting time Hos is commanded to the control device 14.
[0032]
In this cool air operation mode, the air in the bathroom BR is circulated through the circulation path L1 by the ventilation operation of the circulation fan 5, and blown out from the outlet 3 without being heated.
Thereafter, when the stop switch 25 is operated or the timer set time Hos elapses, the mode display lamp 24a and the timer display unit 27 are turned off, and the circulation fan 5 is stopped.
[0033]
[Another embodiment]
Next, another embodiment will be described.
(A) The specific configuration of the heating ventilation means HB is not limited to the case where the circulation fan 5 and the exhaust fan 10 are used as illustrated in the above embodiment. For example, as shown in FIG. 5, a circulation fan 5 and a heating operation state (state a in FIG. 5) in which all of the air ventilated by the circulation fan 5 through the circulation ventilation path L <b> 1 is returned to the bathroom BR, and circulation A part of the air ventilated by the fan 5 through the circulation ventilation path L1 is exhausted to the outside through the exhaust opening 8 and the rest is returned to the bathroom BR (state b in FIG. 5). A damper 16 that can be switched to a ventilation state (c state in FIG. 5) in which all of the air ventilated through the circulation ventilation path L1 is exhausted to the outside through the exhaust opening 8 can be provided.
The damper 16 includes a blade body 16a that is movably operated in the a state, the b state, and the c state, and an actuator 16b such as an electric motor that moves the blade body 16a. The device 14 controls the operation of the actuator 16b.
[0034]
(B) In the above embodiment, in the ventilation operation mode for discharging hot air, both the circulation fan 5 and the ventilation fan 10 are operated, and the air in the bathroom BR can be exhausted while being circulated. However, instead of this, the circulation fan 5 may be stopped and only the ventilation fan 10 may be operated.
[0036]
( C ) Specific values of the determination set time His, the hot air discharge operation set time Hes, the ventilation operation necessity determination set temperature Ts1, and the hot air discharge operation stop determination set temperature Ts2 are the values exemplified in the above embodiment. It is not limited and can be set appropriately.
[0037]
( D ) In the above embodiment, the temperature sensor 7 as the temperature detection unit is illustrated as being installed in the circulation ventilation path L1 inside the casing 1, but may be installed inside the bathroom BR .
[0038]
( E ) In addition to the heat exchanger 6 exemplified in the above embodiment, the specific configuration of the heating unit uses an electric heater or a combustion heating means for heating by burning fuel such as gas or petroleum. Can be configured.
[Brief description of the drawings]
FIG. 1 is a block diagram of a bathroom heating dryer. FIG. 2 is a front view of a remote control. FIG. 3 is a flowchart showing a control operation. FIG. 4 is a flowchart showing a control operation. Block diagram of heating dryer [Explanation of symbols]
6 Heating part 7 Temperature detecting means 13 Command means 14 Control means 14a Ventilation state determining means 14b Timing means 14c End determining means HB Heating ventilation means

Claims (4)

A heating operation state in which the air sucked from the bathroom is heated by the heating unit and returned to the bathroom, and a part of the air sucked from the bathroom is exhausted to the outside, and the remaining air is heated by the heating unit. A heating and ventilation means that can be switched between a drying operation state for returning to the bathroom and a ventilation operation state for exhausting the air sucked from the bathroom to the outside;
A bathroom heating dryer provided with a control means for controlling the operation of the heating and aeration means based on the command information of the command means for commanding the operation state and the operation,
Ventilation required state determination means for determining whether or not it is a required ventilation state to be operated in the ventilation operation state subsequent to the operation in the dry operation state is provided,
After the operation in the dry operation state is executed, the control means continues to execute the operation in the ventilation operation state when it is determined that the ventilation required state determination means is in the ventilation required state. It is configured to,
Temperature detecting means for detecting the temperature in the bathroom is provided,
The ventilation-required state determining unit is configured to determine that the ventilation-required state is present when the temperature detected by the temperature detecting unit at the start of operation in the dry operation state is equal to or higher than a set temperature. Dryer.   In the operation in the ventilation operation state executed when the ventilation required state determining unit determines that the ventilation required state is determined, the heating ventilation unit returns the air sucked from the bathroom to the bathroom. The bathroom heater / dryer according to claim 1, wherein air in the bathroom can be circulated. There is provided a time measuring means for measuring an elapsed time from the end of the operation in the dry operation state to the start of the operation in the next dry operation state ,
The ventilating state determining means is configured to determine whether or not it is in the ventilating state when the elapsed time measured by the timing means is equal to or longer than a set time. The bathroom heating dryer according to 2. End determining means are provided for determining whether or not the termination should do state operation at the ventilation operation state,
Wherein, when it is judged the a condition to be ended operation at the ventilation operation condition at end determining means, wherein being configured to terminate the operation before Ki換 gas operating condition Item 4. The bathroom heating dryer according to any one of items 1 to 3 .

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