JP6496902B2 - Bathroom ventilation dryer - Google Patents

Description

  The present invention relates to a drying operation method for a bathroom ventilation dryer for drying a bathroom.

  In order to prevent the occurrence of mold in the bathroom, it is effective to keep the bathroom in a dry state. Therefore, it is necessary to dry the bathroom within a predetermined time.

  As a means for doing this, bathroom ventilation dryers have become widespread.

  Conventionally, this type of bathroom ventilation dryer is known to be configured to perform drying in the bathroom by circulating air while heating the air in the bathroom and at the same time exhausting the air in the bathroom to the outside of the bathroom. (For example, refer to Patent Document 1).

  Hereinafter, the bathroom ventilation dryer will be described with reference to FIG.

  A main body 101 installed on the ceiling in the bathroom includes a ventilation fan 102 that ventilates the air in the bathroom and a ventilation motor 103 that is a drive source of the ventilation fan 102.

  Further, a circulation fan 104 that circulates the air in the bathroom, a circulation motor 105 that is a drive source of the circulation fan 104, and a heater 106 that heats the circulation air generated by the circulation fan 104 are provided.

  The drying operation method of the bathroom dryer configured as described above will be described. After the operation in the bathroom drying mode is started, the ventilation fan 102 is rotated by driving the ventilation motor 103 to ventilate the air in the bathroom.

  At the same time, the air heated by driving the circulation motor 105 and energizing the heater 106 is circulated in the bathroom, and as a result, the bathroom is dried.

  Furthermore, after a predetermined time has elapsed, that is, after the bathroom has been sufficiently warmed up, it takes more time than when the heater 106 is continuously operated at the maximum output by turning off or stopping the output of the heater 106. Is to dry the bathroom with less energy consumption.

JP 2004-93008 A

In the bathroom drying mode to dry the bathroom of such a conventional bathroom ventilation dryer, the heater is used regardless of the season or the condensation in the bathroom, and the set operation ends even when the bathroom dries halfway In order to continue the operation until the time, there is a problem that the running cost becomes high when the bathroom is dried within the predetermined time.

  Therefore, the present invention solves the above-described conventional problems, and an object of the present invention is to provide a bathroom ventilation dryer that can reduce the running cost of drying the bathroom within a predetermined time.

In order to achieve this objective, bathroom ventilating drying machine according to one aspect of the present invention, a blower for circulating or ventilating air bath chamber, the suction of the bathroom air is air of the bathroom is sucked by the blower and mouth, and air outlet for blowing circulation air from the blower, and a damper for distributing the bath room air ventilation and circulation and a temperature sensor for measuring the temperature of the bath room air, a humidity sensor for measuring the humidity in the bathroom air , bathroom drying in a heating means for heating the circulating air, said temperature sensor and said a drying determining means for determining dried using a value measured by a humidity sensor, comprising a time determined the bathroom a dry mode, the bathroom drying mode has a ventilation step, a heating step, a, in the ventilation phase, while the determination of drying by the drying determination means, to ventilate the bath room air, the heating The floor, balloon part of the bathroom air to the bath as a heating circulating air by the heating means, and ventilate the rest of the bath room air, in the bathroom drying mode, after the operation of the ventilation phase, the Based on the determination of drying in the ventilation stage, the transition to the heating stage is determined, and when it is determined in the ventilation stage that the bathroom has been dried by the drying determination means, the bathroom drying mode is terminated in the ventilation stage. In the ventilation stage, when it is determined that the bathroom is not dry by the drying determination means, the ventilation stage is shifted to the heating stage , thereby achieving the intended purpose. It is.

According to the present invention, when dried in time it determined the bath room, while the determination of the drying by the drying judging means for judging dried using a value measured by the temperature sensor and humidity sensor, first bath It becomes a ventilation stage that ventilates all of the air, and when a certain period of time has passed, a part of the bathroom air is heated by a heating means and blown out to the bathroom as circulating air, and the bathroom drying mode becomes a heating stage that ventilates the remaining bathroom air When it is determined that the bathroom is dry by the drying determination means during operation in the bathroom drying mode, the bathroom drying mode is terminated, that is, if the bathroom is easy to dry, the bathroom is dried only by ventilation and the bathroom is difficult to dry. In that case, the heating means is used to dry the bathroom, so the running cost of drying the bathroom within a predetermined time can be reduced. It is possible to obtain the cormorants effect.

Side sectional view which shows the structure of the bathroom ventilation dryer of Embodiment 1 of this invention The figure which shows the response of the absolute humidity in the bathroom at the time of bathroom drying mode of the bathroom ventilation dryer Side sectional view showing the configuration of a conventional bathroom ventilation dryer

The bathroom ventilation dryer which concerns on one aspect | mode of this invention is equipped with the air blower which circulates or ventilates the bathroom air in a main body, the suction inlet into which the bathroom air which is the said bathroom air by the said air blower, and circulating air from the said air blower An air outlet, a damper that distributes the bathroom air into ventilation and circulation, a temperature sensor and a humidity sensor that measure the temperature and humidity of the bathroom air, and a heating means that heats the circulation air, Ventilation that first ventilates the bathroom air while determining the drying by the drying determination means that determines the drying using the values measured by the temperature sensor and the humidity sensor. When a certain period of time has passed, a part of the bathroom air is heated by the heating means and blown into the bathroom as circulating air, and the remaining bathroom air is replaced. Heating step become full drying mode will be, when it is determined that the bath is dried by the drying determination means during operation of the bathroom drying mode has a structure that ends the bathroom drying mode. As a result, when the bathroom is dried within a predetermined time, first, all of the bathroom air is removed while determining the drying by the drying determination means that determines the drying using the value measured by the temperature sensor and the humidity sensor. When a certain period of time has passed, a part of the bathroom air is heated by heating means and blown out to the bathroom as circulating air, and the remaining bathroom air has a bathroom drying mode in which it is heated to ventilate, and the bathroom is dried. When it is determined that the bathroom is dry by the drying determination means during mode operation, the bathroom drying mode is terminated, that is, when the bathroom is easy to dry, the bathroom is dried only by ventilation, and when the bathroom is difficult to dry, the heating means Because it will heat and dry the bathroom, it can be said that the running cost of drying the bathroom within a predetermined time can be reduced Achieve the results.

  Further, it may be configured such that during the ventilation stage, the drying determination means periodically switches to only circulating air for a certain period of time by a damper, and determines the drying of the bathroom based on the degree of increase in the humidity of the bathroom. As a result, the detection of the drying judgment means that the bathroom humidity rises significantly when the bathroom is not dry, and the bathroom humidity does not rise significantly when the bathroom is dry. It is possible to determine more accurately.

  Further, the drying determination means during the heating stage is configured to determine the drying of the bathroom when the difference between the absolute humidity value of the bathroom and the absolute humidity value during the ventilation stage is equal to or less than a certain value. Also good. As a result, when switching to the heating stage, the bathroom was not in a dry state, so the drying was accelerated by the rise in the temperature of the bathroom, the absolute humidity increased, the absolute humidity decreased as the bathroom dried, and the bathroom became dry When the absolute humidity is lower than the absolute humidity before heating, there is no switching between ventilation and circulation for determination, so it is necessary to determine drying while drying the bathroom more efficiently There is an effect that can be.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIG. 1, a bathroom ventilation dryer according to the present invention is a sirocco in which a body 1 that is a rectangular parallelepiped installed on a ceiling in a bathroom 12 is subjected to static pressure for circulating or ventilating air in the bathroom 12. Type fan 2, low-cost AC fan motor 3 that drives fan 2, damper 4 that distributes air sucked from bathroom 12 into circulating air and ventilation air, and fan 2 and damper 4 in bathroom 12. And a highly safe PTC type heater 5 for heating the circulating air.

  The damper 4 is rotated by a stepping motor (not shown) attached to the shaft portion 13 to exhaust all the air sucked from the bathroom 12, a circulation position where all the air is blown out to the bathroom 12 as circulating air, Move to an intermediate position that distributes air to both circulating air.

  Moreover, the bathroom 12 side just under the suction | inhalation of the fan 2 of the main body 1 has the suction inlet 6 which sucks in the air in the bathroom 12, the blower outlet 7 which blows off circulating air next to it, and the blower outlet 7 arbitrarily. A wind direction louver 8 that can change the angle is provided, and an exhaust adapter 9 that communicates with the outside by a duct (not shown) is provided on the back side of the ceiling.

  Further, the main body 1 includes a temperature sensor 10 that is a thermistor that measures the temperature of the air in the bathroom 12 sucked from the suction port 6 and a humidity sensor 11 that measures relative humidity.

  And the operation | movement operation | movement of the bathroom drying mode used for drying in the bathroom 12 is demonstrated.

  In this bathroom drying mode, the interior of the bathroom 12 is dried within a preset time.

  To prevent mold in the bathroom 12, it is effective to keep the bathroom 12 dry, except for the operation time of the bathroom drying mode and the usage time of the bathroom such as bathing and clothes drying within one day. The dry state of the bathroom 12 can be maintained for a given time.

  And this operating time was set to 8 hours as a result of various investigations.

  For example, when a bathroom drying mode instruction is issued to a control unit (not shown) of the main body 1 from a controller (not shown) installed outside the bathroom 12, for example, in a dressing room (not shown), the fan motor 3 is driven to rotate the fan 2. The air in the bathroom 12 is sucked from the suction port 6.

  Then, by moving the damper 4 to the exhaust position, it becomes a ventilation stage in which all the air sucked from the bathroom 12 is exhausted outdoors by the exhaust adapter 9.

  At this time, the temperature of the air sucked from the bathroom 12 is measured by the temperature sensor 10 and the relative humidity is measured by the humidity sensor 11, and the absolute humidity is calculated from the measured temperature and the relative humidity.

  In the ventilation stage, the damper 4 is rotated every certain time, for example, every hour, and all the air sucked from the bathroom 12 is circulated into the bathroom 12 as a circulating air for a certain time, for example, 5 minutes.

  Since the air in the bathroom 12 is stirred and not exhausted by setting the circulation position for only 5 minutes, when the bathroom 12 is wet, the bathroom 12 (see FIG. 1) as shown in FIG. The absolute humidity inside increases.

  Moreover, when the inside of the bathroom 12 is in a dry state, the absolute humidity does not increase.

  Therefore, when the increase value is smaller than a certain threshold value, it is determined that the bathroom 12 has been dried, and the bathroom drying mode is terminated.

  Thereby, since the dry state in the bathroom 12 is reflected in the absolute humidity output as a peak value notably when there is water in the bathroom 12, it is possible to easily determine whether the bathroom 12 is dry.

  And, in the ventilation stage, when it is not determined that the bathroom 12 is dry and the remaining time in the bathroom drying mode reaches a certain value, for example, 2 hours obtained from an experiment, the damper 4 is moved to an intermediate position, and By energizing the heater 5, a part of the air sucked from the bathroom 12 is heated by the heater 5 and blown out into the bathroom 12, and the remaining air is heated to be exhausted to the outside.

  At this time, the temperature of the air sucked from the bathroom 12 is measured by the temperature sensor 10 and the relative humidity is measured by the humidity sensor 11, and the absolute humidity is calculated in the same manner as described above.

  And by switching from a ventilation stage to a heating stage, the temperature in the bathroom 12 rises, the drying in the bathroom 12 is promoted, and the absolute humidity rises as shown in FIG.

  Thereafter, as the interior of the bathroom 12 dries, the absolute humidity decreases.

  Then, when the bathroom 12 is completely dry (the state where all the water in the bathroom 12 is exhausted), the absolute humidity in the bathroom 12 is lower than that in the ventilation stage.

  Then, the absolute humidity immediately before the end of the ventilation stage is stored, compared with the current absolute humidity, and when the difference becomes smaller than a certain threshold value, it is determined that the bathroom 12 is dry, and the bathroom drying mode is ended.

  Thereby, the bathroom 12 can be efficiently dried without switching the damper 4 as in the ventilation stage, and the drying of the bathroom 12 can be determined as needed.

  As described above, the bathroom ventilation dryer according to the present embodiment has only a ventilation stage when the interior of the bathroom 12 is easy to dry, such as in summer or when there is little condensation. When the bathroom 12 is difficult to dry, the heater 12 can be appropriately used to dry the bathroom 12.

  In addition, although absolute humidity was used for the determination of the drying of a ventilation stage, although the response of a peak value becomes dull, drying may be determined by the raise degree of the relative humidity in the bathroom 12 obtained from the humidity sensor 11.

  By doing so, it is not necessary to calculate the absolute humidity, and the calculation load can be reduced.

  Further, although the remaining time for switching from the ventilation stage to the heating stage is a constant value, it may be changed depending on the temperature of the bathroom 12.

  The remaining time for switching should be set to the time when the bathroom 12 dries within the operation time of the bathroom drying mode (the above-mentioned 8 hours) even when the bathroom 12 is most difficult to dry. It is.

  Thereby, the drying of the bathroom 12 is often completed only in the ventilation stage, and the running cost can be further suppressed.

  Since the bathroom ventilation dryer according to the present invention can reduce the running cost of drying the bathroom within a predetermined time, it is useful as a washing machine having a dryer function.

DESCRIPTION OF SYMBOLS 1 Main body 2 Fan 3 Fan motor 4 Damper 5 Heater 6 Suction port 7 Outlet 8 Wind direction louver 9 Exhaust adapter 10 Temperature sensor 11 Humidity sensor

Claims (3)

A blower for circulating or ventilating air bath chamber,
A suction port into which bathroom air that is the air of the bathroom is sucked by the blower;
An outlet for blowing out the circulating air from the blower ;
And a damper to distribute the bath room air ventilation and circulation and,
A temperature sensor for measuring the temperature of the bath room air,
A humidity sensor that measures the humidity of the bathroom air ;
A heating means for heating the circulating air,
Drying determination means for determining drying using the value measured by the temperature sensor and the humidity sensor ,
A bathroom drying mode for drying the bathroom within a predetermined time;
The bathroom drying mode has a ventilation stage and a heating stage,
In the ventilation stage, while the determination of drying by the drying determination means, to ventilate the bath room air, in the heating step, balloon part of the bathroom air to the bath as a heating circulating air by the heating means, the remaining ventilate the bath room air,
In the bathroom drying mode, after performing the operation of the ventilation stage, based on the determination of drying in the ventilation stage, determine the transition to the heating stage,
When it is determined that the bathroom has been dried by the drying determination unit in the ventilation stage, the bathroom drying mode is terminated while the ventilation stage is maintained ,
The bathroom ventilation dryer according to claim 1, wherein when the drying determination means determines that the bathroom is not dried in the ventilation stage, the ventilation stage is shifted to the heating stage . During the ventilation phase, the damper is switched to a position for blowing only periodically fixed time circulating air, the drying determination means may determine the drying of the bath in increasing degree of humidity of the bathroom The bathroom ventilation dryer according to claim 1. The drying determination means, during the heating step, when the difference between the absolute humidity of the values in the absolute humidity value as the ventilation stage of the bath is equal to or less than a predetermined value, determining that the bathroom was dried The bathroom ventilation dryer according to claim 1.

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