JP3851152B2 - Bathroom heater - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bathroom heater that is installed on the ceiling or the like of a bathroom and heats the bathroom by circulating hot air in the bathroom.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, bathroom heaters are known that are installed on the ceiling of a bathroom or the like and heat the interior of the bathroom. This type of bathroom heater includes, for example, a main body 72 having a box-shaped main body case 72A and a suction grill 73 attached to the bottom surface of the main body 72, as shown in FIG. A heat exchanger 74 to which hot water is supplied from an external heat source device or the like, a blower 75 that sucks in air in the bathroom A and blows out the heat exchanged through the heat exchanger 74 into the bathroom A, and the inside of the bathroom A A ventilation device 76 that ventilates the air, and an electrical component that supplies power to the blower 75 and the ventilation device 76. The blower 75 includes a fan 77, a fan drive motor (not shown), and a fan case 78.
[0003]
Here, for example, when repairing or replacing parts such as the fan 77 or the driving fan motor in the bathroom heater main body 72, the suction grill 73 is removed and the heat exchanger 74 and the fan case 78 are removed from the main body case 72A. And the fan 77 or the fan motor in the fan case 78 is taken out.
[0004]
[Problems to be solved by the invention]
However, when taking out the above-described parts after the bathroom heater 71 is installed, the work is performed upward, so that the work is difficult to perform and improvement in workability is desired.
[0005]
The present invention has been made in view of the above-described circumstances, and provides a bathroom heater that facilitates repair / replacement work by facilitating removal of parts when taking out and repairing / replacement of the components in the main body. The purpose is to do.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the invention described in claim 1 includes a heat exchanger to which hot water is supplied, a fan for blowing air exchanged through the heat exchanger into a bathroom, In a bathroom heater including a fan case containing a driving fan motor and a main body case containing the heat exchanger, the fan, the fan motor, and the fan case , the fan case is located above the fan and the heat exchanger. And an upper case that holds and holds the upper part of the heat exchanger, and a lower case that is formed on the lower side of the upper case while forming a blowout port for blowing out the heat-exchanged air. The lower case of the fan case is assembled with a support plate that supports the lower portion of the heat exchanger, and the support plate, the heat exchanger, the fan case, the fan, and the driving fan motor are combined. Wherein the assembly of the the.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram of a bathroom heating apparatus according to an embodiment of the present invention, FIG. 2 is a perspective view of the bathroom heater as viewed from below, FIG. 3 is a bottom view showing a part of the bathroom heater, and FIG. FIG. 5 is an exploded perspective view of the bathroom heater. FIG.
[0012]
In FIG. 1, a bathroom heating device 1 includes a bathroom heater 2 installed in a ceiling B of a bathroom A and the like, and a heat source device 3 for supplying a heat medium such as hot water to the bathroom heater 2, and hot water piping. 4 is connected. The bathroom heater 2 is connected to a plurality of ducts 5 and 6 for ventilating the inside of the bathroom A and the dressing room C adjacent to the bathroom A, and these ducts 5 and 6 are the ceilings of the bathroom A and the dressing room C. It is arranged on the back B. The bathroom heating device 1 is provided with a remote controller 7 for operating the bathroom heater 2, and the signal line 8 connects between the remote controller 7 and the bathroom heater 2, and between the bathroom heater 2 and the heat source machine 3. Has been.
[0013]
In FIG. 2, the bathroom heater 2 is provided on a ceiling surface so as to close the ceiling opening and a main body 12 that is installed by being suspended by four suspension bolts 11 on the back side of the ceiling opening of the bathroom A. The suction grill 13 is fixed to the bottom surface of the main body 12 with screws.
[0014]
The suction grill 13 is provided with a suction port 14 and an air outlet 15, an air filter 16 is detachably provided on the back surface of the suction port 14, and a louver 17 that adjusts the air blowing direction is provided at the edge of the air outlet 15. Is provided. The louver 17 is rotatably driven by a louver motor (not shown) provided at one end.
[0015]
3 to 5, the main body 12 of the bathroom heater 2 has a box-shaped main body case 12A that opens downward. The main body case 12A includes four side plates 18a, 18b, 18c, and 18d and a ceiling. It has the board 19 and is integrally molded with resin. Recesses are formed at the four corners of the main body case 12A, and fixing parts 21 for fixing the suspension bolts are formed in the recesses. The inside of the main body case 12A is partitioned substantially in half by a part of the vertical partition plate 22 and the fan case 23, and a heat exchange chamber 24 and a ventilation chamber 25 are formed (see FIG. 4).
[0016]
The heat exchange chamber 24 is provided with a vent so as to connect the suction port 14 and the blowout port 15 of the suction grill 13, and a ventilation path 26 that communicates these vents. In this ventilation path 26, a heat exchanger 27 as a heating means for heating the air passing therethrough and a blower 28 for sucking the air in the bathroom A and blowing it out into the bathroom A are provided (FIG. 4). reference).
[0017]
The heat exchanger 27 has a horizontally long rectangular parallelepiped shape, and hot water tubes are arranged in a meandering manner perpendicular to heat exchange fins arranged at a predetermined interval. As shown in FIG. 4, the heat exchanger 27 is formed so that the lateral width is substantially the same as the lateral width of the one side plate 18a of the main body case 12A, and the upper one long side is in contact with the first side plate 18a, and the lower portion Are arranged to be inclined away from the first side plate 18a. As shown in FIG. 3, the one side surface (the second side plate 18b side) of the heat exchanger 27 is provided with an inlet 31 and an outlet 32 of the hot water pipe, and an internal hot water pipe 31a, 32a is connected. These internal hot water pipes 31a and 32a are disposed along the second side plate 18b, and are provided with an inlet side header 33 and an outlet side header 34 at their tips, respectively, and provided on the ventilation chamber 25 side of the second side plate 18b. A thermal valve 38 is provided in the middle of the inlet-side internal hot water pipe 31a so as to intermittently flow the hot water. Both headers 33, 34 are provided with a support 37 for pressing them from below, and the headers 33, 34, the internal hot water pipes 31 a, 32 a and the thermal valve 38 are fixed to the main body case 12 A by the support 37. . The hot water pipe 4 is detachably connected to both the headers 33 and 34 and is connected to the heat source unit 3 (see FIG. 1).
[0018]
As shown in FIG. 4, the blower 28 is arranged in parallel with the heat exchanger 27, and includes a fan 41, a fan motor 42 that drives the fan, and a fan case 23 that contains the fan 41 and the fan motor 42. It consists of. A cross flow fan is used as the fan 41, one side of the rotation shaft of the fan 41 is connected to the fan motor 42, and the other side is pivotally attached to a bearing 44 provided in the fan case 23.
[0019]
As shown in FIG. 3, the fan case 23 includes an upper case 23a and a lower case 23b, and is fixed to the main body case 12A to form a ventilation path 26 in the main body case 12A. The upper case 23 a substantially covers the upper part of the heat exchange chamber 24, the upper side of the fan 41 is curved along the circumference of the fan 41, and is extended in the direction of the heat exchanger 27 so that the upper side of the heat exchanger 27 is It is applied to the upper part of the cover heat exchanger 27. 3 and 4, the upper half of the storage portion for storing the motor 42 and the bearing 44 is formed outside the side plate of the fan 41. The lower case 23b is formed with a lower half of a storage portion that stores the motor 42 and the bearing 44, and is formed with a side wall that guides the flow of wind downward and an outlet 45 that blows out the wind. The louver 17 is provided below the air outlet 45. The lower case 23b is fixed to the upper case 23a with six mounting screws e, e.
[0020]
The lower part of the heat exchanger 27 and the fan case 23 is supported by a support plate 51, and the support plate 51 is formed by bending a metal plate according to the shape of the lower part of the heat exchanger 27 to exchange heat. The lower part of the container 27 is pressed and fixed to the boss formed on the fan case 23 with four mounting screws f, f. Thereby, the heat exchanger 27 and the fan case 23 are connected, and the heat exchanger 27 and the fan case 23 can be made into one assembly. This assembly is fixed to a boss provided on the main body case 12A with three mounting screws h, h, h.
[0021]
Reference numeral 52 denotes a fitting for attaching the suction grille 13, which is fixed to the four corners of the lower surface of the main body case 12A. When removing the heat exchanger 27 from the main body case 12A, it is necessary to remove the two metal fittings 52. .
[0022]
A ventilation fan 54 and an electrical box 55 are accommodated in the ventilation chamber 25. The ventilation blower 54 includes a ventilation motor case (not shown), a fan motor 56 that drives the ventilation fan, a case partition plate 57, a ventilation fan 58, and a ventilation fan case 59, which are arranged in order from the top. The ventilation motor case is integrated with the main body case 12A, and the case partition plate 57 is mounted with a fan motor 56 disposed on the upper portion thereof with the rotating shaft facing downward, and is fixed to the ventilation motor case with screws. A sirocco fan as a ventilation fan 58 is connected to the rotation shaft of the fan motor 56. A ventilation fan case 59 is screwed and fixed to the lower part of the case partition plate 57. The ventilation fan case 59 has a spiral shape as viewed from below, and the suction port 59a is discharged below the case 59 and discharged to the side. An outlet 59b is formed.
[0023]
The electrical box 55 is provided with a control board 60 for controlling the bathroom heating device 1 by controlling electric components such as the heat source machine 3 and the bathroom heater 2, and the fan motor 42 and the ventilation fan motor are provided on the control board 60. 56 lead wires are detachably connected via a connector, and the control board 60 is connected to the heat source unit 3 and the remote control 7 by a signal line 8.
[0024]
In the heat exchange chamber 24 of the bathroom heater 2 thus configured, the upper part of the fan case 23 that houses the fan 41 and the fan motor 42 is extended above the heat exchanger 27 to support the upper part of the heat exchanger 27. On the other hand, the support plate 51 is screwed and fixed to the lower part of the fan case 23 and the lower part of the heat exchanger 27, and the fan case 23 and the heat exchanger 27 are connected and supported by being fixed. Thereby, the heat exchanger 27 and the fan case 23 can be made into one assembly.
[0025]
Since the heat exchanger 27 and the fan case 23 can be removed as an assembly, the assembly can be easily removed from the main body case 12A even after the bathroom heater 2 is installed. Conventionally, the operation can be simplified compared to the case where the heat exchanger 27 and the fan case 23 are separately removed.
[0026]
When repairing or replacing the fan 41 or the fan motor 42, the assembly can be lowered and disassembled at a lower position to perform repair / replacement work. This facilitates the work. .
[0027]
Before removing this assembly from the main body case 12A, it is necessary to remove the two parts of the suction grill 13 and the suction grill mounting bracket 52, the screw fixing of the fan case 23 to the main body case 12A, the support 37, and the like.
[0028]
As mentioned above, although this invention was demonstrated based on one Embodiment, this invention is not limited to this.
[0029]
【The invention's effect】
As described above, the present invention incorporates a heat exchanger to which hot water is supplied, a fan for blowing the air heat-exchanged through the heat exchanger into the bathroom, and the fan and a driving fan motor. In a bathroom heater comprising a fan case and a heat exchanger, a fan, a fan motor, and a main body case that houses the fan case, the fan case is disposed above the fan and the heat exchanger, and the heat An upper case that holds and holds the upper part of the exchanger, and a lower case that is formed with a blow-out port for blowing out heat-exchanged air and is assembled to the lower side of the upper case. The lower case is assembled with a support plate that supports the lower portion of the heat exchanger, and the support plate, the heat exchanger, the fan case, the fan, and the driving fan motor are combined into one assembly. Because there, the fan and fan drive motor, when further repair or replace the heat exchanger, the assembly removed from the main body case, it is possible to decompose the assembly in the down position, the repair and replacement Therefore, work can be performed easily.
[0030]
In addition, after the repair / replacement operation is completed, the assembly is assembled at the lower position and attached to the main body case, so that the attachment operation can be easily performed.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of a bathroom heating device according to an embodiment of the present invention.
FIG. 2 is a perspective view of the bathroom heater of FIG. 1 as viewed from below.
FIG. 3 is a bottom view of the bathroom heater shown in FIG. 1 with a part thereof removed.
4 is a longitudinal sectional view showing a part of the bathroom heater shown in FIG.
5 is an exploded perspective view of the bathroom heater of FIG. 1. FIG.
FIG. 6 is an explanatory view of a longitudinal section of a conventional bathroom heater.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Bathroom heater 2 Bathroom heater 3 Heat source machine 12A Main body case 18a, 18b, 18c, 18d Side plate 19 Top plate 23 Fan case 23a Upper case 23b Lower case 24 Heat exchange room 25 Ventilation room 27 Heat exchanger 33 Inlet header 34 Outlet Header 37 Support tool 38 Thermal valve 41 Fan 42 Fan motor 51 Support plate A Bathroom B Ceiling back C Dressing room

Claims (1)

A heat exchanger to which hot water is supplied, a fan for blowing the air heat-exchanged through the heat exchanger into the bathroom, a fan case incorporating the fan and a driving fan motor, and the heat exchanger and fan In a bathroom heater provided with a fan motor and a main body case for storing the fan case ,
The fan case is arranged above the fan and the heat exchanger, and an upper case that holds the upper portion of the heat exchanger by holding the upper case and an air outlet that blows out the heat-exchanged air are formed. It is composed of a lower case assembled to the lower side of the upper case,
The lower case of the fan case is assembled with a support plate that supports the lower part of the heat exchanger, and the support plate, the heat exchanger, the fan case, the fan, and the driving fan motor are combined into one assembly. And bathroom heater.

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