JP3698117B2 - Hot air device and unit bath with hot air device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention mainly relates to a warm air device for heating a room such as a bathroom or a washroom, and a unit bath with the warm air device.
[0002]
[Prior art]
With the widespread use of unit baths, multifunctions such as bathrooms and washrooms are advancing. In such circumstances, for example, as disclosed in JP-A-63-77498, JP-A-4-240495, and JP-A-6-38895, while improving the comfort of the bathroom as a bathroom, An apparatus has also been developed in which the bathroom is used as a drying room for clothes and the like in a dry atmosphere.
[0003]
The heating device of such a device is a warm air device that is installed in a mounting hole provided in a partition structure such as a ceiling that partitions the interior and exterior of the room, and basically includes a circulation blower that circulates indoor air and an electric heater. In addition, the generated warm air can be circulated while stirring, and the room can be efficiently heated. As for the bathroom, when the air flow from the circulation blower hits the wet body at the time of bathing, the body temperature is lost and the feeling of cold wind is created. Therefore, when bathing, the radiant heat without the feeling of cold wind is radiated in FIG. 9 and FIG. Some have a radiant heater 40 as shown.
[0004]
In the heating device shown in FIG. 9, a straight tubular radiant heater 40 is incorporated in the main body 41 of the hot air heater, and in the heating device shown in FIG. 10, the decorative grille 42 attached to the main body 41 of the hot air heater is provided. A radiation heater 40 is provided. In the former case, when incorporating a long and large-capacity radiant heater 40, the size of the main body 41 must be increased, and the mounting holes opened in the partition structure separating the interior of the room such as the ceiling must be increased. . On the other hand, the latter does not change the size of the main body 41, and therefore, the long and large-capacity radiation heater 40 can be employed without increasing the size of the mounting hole of the partition structure.
[0005]
[Problems to be solved by the invention]
In the case where the radiant heater 40 is provided on the conventional decorative grille 42 as described above, since the decorative grille 42 provided with the radiant heater 40 is heavy, the structure for holding the detachable decorative grille 42 on the main body 41 is complicated. Therefore, the attachment / detachment of the decorative grill 42 is deteriorated, and the attachment / detachment of the decorative grill 42 requires troublesome operations such as connecting / disconnecting the connector to the main body 41 and the decorative grill 42 side. There is.
[0006]
The present invention has been made to solve the above-described conventional problems, and the problem is that a long, large-capacity radiation heater can be provided without changing the basic size of the main body. It is possible to obtain a warm air device that can be easily attached and detached, and that is easy to maintain and inspect. Another object of the present invention is to improve the performance function of the hot air device, and to provide a unit bath provided with the hot air device.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the invention of claim 1 is incorporated in a mounting hole opened in a partitioning structure that separates the interior of the room, such as a ceiling, and sucks indoor air from a suction opening that opens to the indoor side, and opens into the room. For a hot air device comprising a circulation fan that blows out the indoor air sucked from the air outlet and an electric heater that raises the temperature of the air blown from the circulation fan, the hot air device extends to the lower surface of the outer shell of the hot air device. A means for attaching a radiant heater composed of a straight pipe type radiant heater which is longer than the attachment hole of the partition structure to the attached mounting flange is adopted.
[0008]
In order to achieve the above object, the invention of claim 2 adopts means for detachably mounting a decorative grille covering the lower surface of the main body outer shell together with the radiant heater on the lower surface of the main body outer shell in the means according to claim 1. To do.
[0009]
In order to achieve the above object, the invention of claim 3 employs means for lining a heat reflecting plate made of a material having high heat reflectivity inside the decorative grille in the means of claim 2.
[0010]
In order to achieve the above object, the invention of claim 4 employs means for covering the lead wire outlet portion of the radiant heater in the means according to any one of claims 1 to 3 with a metal cover.
[0011]
In order to achieve the above object, the invention of claim 5 is configured such that the radiant heater in the means according to any one of claims 1 to 4 is formed in a box shape that surrounds other than the front surface of the radiant heater, A means for providing an air passage through which a part of the air blown by the circulation fan is circulated on the back side of the radiation heater is adopted.
[0012]
In order to achieve the above object, the invention of claim 6 has an angle with respect to the mounting hole of the partition structure on the back side of the radiant heater in the means according to any one of claims 1 to 5. A reflection plate having a curved surface structure is provided, and means for radiating radiant heat in a target direction is adopted.
[0013]
In order to achieve the above object, a seventh aspect of the invention employs a means for horizontally laying a protective means in a strip shape on the lower surface side of the radiant heater in the means according to any one of the first to sixth aspects.
[0014]
In order to achieve the above object, the invention of claim 8 employs means for incorporating an exhaust ventilation device for exhausting indoor air into the warm air device in the means according to any one of claims 1 to 7. To do.
[0015]
In order to achieve the object, the invention of claim 9 is provided with an exhaust ventilation device for exhausting indoor air in addition to the warm air device in the means according to any one of claims 1 to 7. Means for providing power supply control means for supplying power to the exhaust ventilation device is adopted.
[0016]
In order to achieve the above object, the invention of claim 10 employs means for mounting the warm air device according to any one of claims 1 to 9 on a unit bath.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
1 to 5, the hot air device of the first embodiment is embedded in a partition structure 2 such as a ceiling of a unit bath 1 as shown in FIG. 1 and blows air while raising the temperature of the bathroom 3. A circulating airflow is formed in the bathroom 3 to heat the bathroom 3. As shown in the configuration diagram of FIG. 3, the hot air device has a circulation fan 7 incorporated in a box-shaped main body outer shell 6 having a suction port 4 and a blow-off port 5 opened at the inner side of the bathroom 3. The circulation fan 7 sucks air in the bathroom 3 from the suction port 4 and blows it out from the outlet 5 into the bathroom 3 again. It is provided in the air passage on the blowing side of the blower 7. A mounting flange 11 is fixed to the lower surface of the outer shell of the main body so as to be fixed to a ceiling plate or a field edge of the partition structure 2.
[0018]
As shown in FIG. 4, the electric heater 8 is configured in a spiral coil shape, and the center line of the spiral coil shape is lined up along the blowing direction of the circulation fan 7 on the fixing bracket 9 in pairs. It is arranged facing the air outlet 5 into the bathroom 3 and is configured as a heating unit 10 together with the fixture 9. Each electric heater 8 is provided with a power lead wire extending from both ends through mounting holes opened in the fixing bracket 9, and fixed parts at both ends of the main body outer shell 6 through a contact plate inserted between both ends. It is nipped and installed on the top.
[0019]
As shown in FIG. 4, the fixing bracket 9 is provided with a thermal barrier 16 surrounding the electric heater 8 except for the outlet of the circulation fan 7, and the fixing bracket 9 and the thermal barrier 16 and the outer shell 6 are insulated. An air layer is formed. The adiabatic air layer is formed by screwing the main body outer shell 6 on the top surface from the bathroom 3 side so that the fixing bracket 9 hits an inwardly protruding portion provided on the top surface of the main body outer shell 6. Yes. Projections on the top surface of the main body outer shell 6 are formed in two rows between both ends of the two electric heaters 8, and slits are provided as outlets through which the power supply leads are inserted. With this slit, the assembly of the heating unit 10 to the main body outer shell 6 facilitates the insertion of the hidden power supply lead wire and the connector and improves the assemblability.
[0020]
As shown in FIGS. 2 and 5, a radiant heater 12 having a unit configuration is mounted on a mounting flange 11 on one side of the main body outer shell 6 in the direction in which the inlet 4 and the outlet 5 are arranged. ing. The radiant heater 12 has two parallel radiant heaters 13 that are longer than the mounting holes 21 of the partition structure 2 and have a straight pipe type and a large capacity, and a box-shaped outer shell other than the front surface of the radiant heater 13. Configuration is adopted. The outer shell includes a fixing plate 14 fixed to the mounting flange 11 along the mounting flange 11, a side plate 15 that holds both ends of each radiant heater 13, and a cover 17 that covers the outside of the radiant heater 13 so as to protrude indoors. It consists of and.
[0021]
In the outer shell, a shielding plate 18 is obliquely mounted between the side plates 15 behind the radiation heater 13, and the whole of the mounting hole 21 of the partition structure 2 is interposed between the shielding plate 18 and the radiation heater 13. As shown, a reflector 19 having a curved surface structure with an angle of about 45 degrees is provided. On the back side of the radiant heater 13, an air passage 20 through which a part of the air blown by the circulation fan 7 is circulated is formed between the shielding plate 18 and the fixed plate 14, as shown in FIG. The outlet 23 is opened substantially in the center of the cover 17. Lead wire lead portions at both ends of the radiant heater 13 are covered with a metal cover 35 screwed to the side plate 15 to protect the lead wire lead portions. On the lower surface side of each radiant heater 13, a heater protector 36 in the form of a strip having a cross-sectional dish shape is horizontally mounted. The heater protection part 36 of the inner radiation heater 13 is mounted between the side plates 15, but the heater protection part 36 of the outer radiation heater 13 is covered with the lower end of the cover 17 bent inward in an L shape. 17 is integrally formed. The heater protector 36 prevents the radiant heater 13 from being damaged by hitting the radiant heater 13 when the radiant heater 12 is attached or handled.
[0022]
The indoor side of the main body outer shell 6 is covered with a decorative grill 37 made of a heat resistant material including the radiant heater 12. The decorative grille 37 has an inclined structure with a high vertical dimension on the side of the radiant heater 12, and the attachment member 38 provided on the attachment flange 11 of the main body outer shell 6 and the fixing plate 14 of the radiant heater 12 on the side surface. It is detachably mounted by screw tightening. A heat reflecting plate 39 made of a material having high heat reflectivity is lined on the inner side corresponding to the radiant heater 12 portion in the grill portion constituting the ventilation portion of the decorative grill 37, and the overheating of the decorative grill 37 is performed. Is prevented. In the hot air device of the present embodiment, the circulation fan 7 and the electric heater 8 have a voltage rating of 200V, and the radiation heater 13 has two voltage ratings of 100V connected in series. .
[0023]
In the unit bath 1, as shown in FIG. 1, the radiation center S by the reflecting plate 19 of the radiation heater 13 in the partition structure 2 above the bathtub 22 is at an angle of about 45 degrees with respect to the floor surface of the washroom. Installed. The unit bath 1 is roughly divided into a depth 2100 mm type and a 2500 mm type, but by setting the angle of the reflector 19 to about 45 degrees, the washing place can be made a radiant heating area for any type of unit bath. I can leave.
[0024]
The electric heater 8 drawn out of the top surface of the main body outer shell 6 and the power supply lead wires of the radiant heater 12 are connected to a control circuit 25 in a circuit box 24 formed on the top surface of the main body outer shell 6. ing. The control circuit 25 is connected to a remote controller 26 that gives a driving instruction, and the driving instruction is given by operating the remote controller 26.
[0025]
In the warm air device, when the remote control 26 instructs heating before bathing, the control circuit 25 operates the circulation fan 7 and supplies power to the two electric heaters 8. The heat of the two electric heaters 8 having a large calorific value raises the temperature of the air blown from the circulation fan 7 and is blown out from the outlet 5 into the bathroom 3 and circulated to efficiently heat the bathroom 3 quickly. Make the atmosphere. When the inside of the bathroom 3 becomes a heating atmosphere and the instruction of heating during bathing is given by the remote controller 26 when bathing, the control circuit 25 switches to the operation of the radiant heater 12, and the circulation fan 7 is operated in a breeze to operate the electric heater 8. Operation is stopped. Thereby, the far-infrared radiation heat from the radiation heater 13 is radiated toward the washroom. The circulation fan 7 does not reach the body due to the light wind operation, and a comfortable bathroom heating without a feeling of cold wind is realized even with a wet body. Of course, it is possible to directly instruct heating during bathing without bathing before bathing. As described above, according to the unit bath 1, the bathroom 3 can be obtained in which the heating is quickly started up by the large-capacity heater and the heating without a feeling of cold wind is realized even with a wet body.
[0026]
Even in the case of the radiant heater 13 having a large calorific value, the air flow from the circulation fan 7 flows through the rear side toward the outlet 23 at the center of the cover 17 and is radiated by the air passage 20, thereby simplifying the rear structure of the radiant heater 13. Therefore, the protrusion amount of the radiant heater 12 to the indoor side can be reduced. When the width of the mounting flange 11 of the main body outer shell 6 to which the radiant heater 12 is attached is narrow, the fixing plate 14 of the radiant heater 12 may be integrated with the mounting flange 11 of the main body outer shell 6. Comfortable heating by the large capacity straight tube radiant heater 13 can be realized without changing the dimensions. Since the decorative grille 37 has a single panel configuration, it can be held on the outer shell 6 with the same simple configuration as before, and the removable grille 37 has good detachability. Since there is no electrical connection between the outer shell 6 side and the decorative grille 37 side, no troublesome operation is required.
[0027]
Embodiment 2. FIG.
In the second embodiment shown in FIGS. 6 to 8, the warm air device shown in the first embodiment is incorporated with or provided with an exhaust ventilation device so that the bathroom can be in a dry atmosphere. This is the same as that shown in the first embodiment except for the configuration related to the exhaust ventilation device. Therefore, the same reference numerals are used for the same parts as those in the first embodiment, and description thereof will be omitted.
[0028]
In the hot air device of the present embodiment, an exhaust ventilation device 28 is incorporated in the main body outer shell 6 as shown in FIG. The exhaust ventilation device 28 functions to exhaust the air in the bathroom 3 to the outside of the bathroom 3. Further, as shown in FIG. 7, an exhaust ventilation device 28 is provided in addition to the warm air device. In this case, the warm air device is configured to be driven by a 200 V power source 27, and many of the exhaust ventilation devices 28 for causing the bathroom 3 or the washroom of the unit bath 1 to function as a drying room are used. It is driven by a power supply 29 of 100V. A 100 V power line 30 is connected to the exhaust ventilation device 28 provided therewith. The control circuit 25 of the warm air device connected to the 200V power source 27 is provided with power supply control means.
[0029]
As shown in FIG. 8, the power supply control means is provided with a normally open relay switch 32 inserted in a power supply crossover 31 for supplying a 100 V power supply 29 to the exhaust ventilation device 28 and a voltage of a 100 V power supply section. It comprises voltage detecting means 33 for detecting. The control circuit 25 of the hot air device monitors the voltage value of the voltage detection means 33. When the voltage value is 100V, the relay switch 32 is not operated and is in the open state. Even when a voltage value exceeding 100 V is detected by the voltage detection means 33 due to incorrect wiring or the like, the control circuit 25 does not operate the relay switch 32 and displays a display indicating that the wiring is incorrect on the display means 34 of the remote controller 26. Do.
[0030]
When drying the bathroom 3 or the like, the remote controller 26 instructs the bathroom to be dried. As a result, the control circuit 25 operates the circulation fan 7 while the radiant heater 12 is stopped, operates the two electric heaters 8 and closes the relay switch 32 to operate the exhaust ventilation device 28. . As a result, the interior of the bathroom 3 quickly becomes a dry atmosphere due to the evaporation of moisture due to the circulation of warm air and the discharge of water vapor by the exhaust ventilation device 28, and the bathroom 3 can be used as a drying room for clothes and the like. When an operation instruction for only the exhaust ventilator 28 is given by the remote control 26, the control circuit 25 closes the relay switch 32 to operate only the exhaust ventilator 28. By providing such a power supply control means, it is not necessary to generate a 100 V power supply by the control circuit 25, the configuration of the control circuit 25 can be simplified, and damage to the device due to miswiring can be prevented. Other functions are the same as those of the first embodiment.
[0031]
【The invention's effect】
According to the first aspect of the present invention, a long, large-capacity radiation heater can be provided without changing the basic size of the outer shell of the main body, and a hot air device that is easy to maintain and inspect can be obtained.
[0032]
According to the second aspect of the present invention, a hot air device with good detachability of the decorative grille can be obtained together with the effect according to the first aspect.
[0033]
According to the invention of claim 3, overheating of the decorative grille can be prevented together with the effect according to claim 2.
[0034]
According to invention of Claim 4, it becomes easy to perform installation work with the said effect which concerns on any one of Claims 1-3.
[0035]
According to invention of Claim 5, the back structure of a radiant heater can be simplified with the said effect which concerns on any one of Claims 1-4.
[0036]
According to invention of Claim 6, the applicability to a unit bus improves with the said effect which concerns on any one of Claims 1-5, and can radiate radiant heat to the target direction.
[0037]
According to invention of Claim 7, damage to a radiation heater can be prevented with the said effect which concerns on any one of Claims 1-6.
[0038]
According to invention of Claim 8, the function which makes a room | chamber interior dry with the said effect which concerns on any one of Claims 1-7 can be added.
[0039]
According to the ninth aspect of the present invention, in addition to the effect according to any one of the first to seventh aspects, an exhaust ventilation device can be provided, and the bathroom or the like can be made into a dry atmosphere.
[0040]
According to the invention of claim 10, a unit bus having the effect according to any one of claims 1 to 9 is obtained.
[Brief description of the drawings]
FIG. 1 is a cross-sectional configuration diagram illustrating a unit bus to which a hot air device according to a first embodiment is attached.
FIG. 2 is a perspective view of the hot air device of the first embodiment.
FIG. 3 is a configuration diagram of the hot air device of the first embodiment.
4 is a perspective view showing a heating unit of the hot air device according to Embodiment 1. FIG.
5 is a cross-sectional configuration diagram of the hot air device of Embodiment 1. FIG.
FIG. 6 is a cross-sectional configuration diagram of a hot air device according to a second embodiment.
FIG. 7 is a cross-sectional configuration diagram of another warm air device according to the second embodiment.
FIG. 8 is a configuration diagram showing a control system of the hot air device of the second embodiment.
FIG. 9 is a cross-sectional configuration diagram of a conventional hot air device.
FIG. 10 is a cross-sectional configuration diagram of another conventional hot air device.
[Explanation of symbols]
1 unit bath, 2 partition structure, 4 suction port, 5 air outlet, 6 body outer shell, 7 circulation fan, 8 electric heater, 11 mounting flange, 12 radiant heater, 13 radiant heater, 20 air path, 25 control circuit 28 Exhaust blower, 32 Relay switch, 33 Voltage detection means, 35 Metal cover, 36 Heater protection part, 37 Cosmetic grill, 39 Heat reflector

Claims (10)

Circulation that is incorporated in a mounting hole that is opened in a partition structure that separates the interior of the room, such as the ceiling, sucks room air from a suction port that opens to the inside of the room, and blows out room air that is sucked from a blow-out port that opens to the room A hot air device comprising an air blower and an electric heater for raising the temperature of the blown air flow of the circulation fan, wherein the partition structure is attached to the mounting flange extended to the lower surface of the outer shell of the hot air device A hot air device equipped with a radiant heater composed of a straight pipe type radiant heater that is longer than the mounting hole. 2. The hot air device according to claim 1, wherein a detachable decorative grill that covers the lower surface of the outer shell of the main body together with the radiant heater is attached to the lower surface of the outer shell of the main body. 3. The hot air device according to claim 2, wherein a heat reflecting plate formed of a material having high heat reflectivity is lined on the inner side of the decorative grill. The hot air device according to any one of claims 1 to 3, wherein the lead wire outlet portion of the radiant heater is covered with a metal cover. The hot air device according to any one of claims 1 to 4, wherein the radiant heater is formed in a box shape surrounding the radiant heater other than the front surface, and is circulated on the back side of the radiant heater. A warm air device provided with an air passage through which a part of the air blower is circulated. The hot air device according to any one of claims 1 to 5, wherein a reflector having a curved structure having an angle with respect to a mounting hole of the partition structure is provided on the back side of the radiation heater, and A warm air device that radiates radiant heat in the direction of the air. It is a hot air apparatus in any one of Claim 1-6, Comprising: The hot air apparatus which horizontally mounted the protection means on the lower surface side of the radiation heater in strip shape. The hot air device according to any one of claims 1 to 7, wherein the hot air device incorporates an exhaust ventilation device for exhausting indoor air. 8. A hot-air device according to claim 1, further comprising an exhaust ventilation device for exhausting indoor air and supplying power to the exhaust ventilation device provided therewith A hot air device provided with means. A unit bath with a warm air device comprising the warm air device according to any one of claims 1 to 9.

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