JP4065224B2 - Bathroom air conditioner - Google Patents

Description

  The present invention relates to a bathroom air conditioner that performs heating and drying of a bathroom, and more particularly to a bathroom air conditioner installed behind a ceiling of a bathroom.

In a conventional bathroom air conditioner that performs heating or drying of a bathroom, a control unit that accommodates a circuit that controls the operation of the bathroom is provided in a casing of the bathroom air conditioner (see, for example, Patent Document 1). .
FIG. 6 is a perspective view showing this type of bathroom air conditioner.
The bathroom air conditioner body 7 is installed on the back of the ceiling of the bathroom A, and the case opening 700 on the lower surface of the casing 70 faces the bathroom A from the mounting opening A1 provided on the ceiling of the bathroom A.
The casing 70 has a heat exchanger 73 through which hot water from a water heater (not shown) flows, a circulation fan 74 that circulates the air in the bathroom A via the heat exchanger 73, and the air in the bathroom A is discharged to the outside. A ventilation fan 75 and a control unit 8 containing a circuit for controlling the operation of the circulation fan 74 and the ventilation fan 75 are provided inside, and the control unit 8 is fixed in the vicinity of the case opening 700. A grill 701 that covers the case opening 700 is detachably attached to the lower surface of the casing 70.

In this case, since the control unit 8 is provided in the vicinity of the case opening 700 facing the bathroom A, for example, maintenance work such as inspection and replacement of the control unit 8 due to malfunction of the bathroom air conditioner body 7 is performed. In the case of carrying out, the above operation can be performed from inside the bathroom A by removing the grill 701 covering the case opening 700.
JP 2002-130715 A (page 3-5, FIG. 3)

However, in the above-described conventional bathroom air conditioner, as shown in FIG. 7, the operator must perform inspection, replacement, and the like from the lower side of the case opening 700 in an upward posture that is difficult to work. The nature is bad.
In addition, the operator may come into contact with the high temperature portion of the heat exchanger 73 in the casing 70, the circulation fan 74, or the like during the operation, and safety is poor.

The present invention has been made in view of such points,
“Contains a bathroom-side heat exchanger through which hot water from a water heater flows, a bathroom circulation fan that circulates air in the bathroom via the bathroom-side heat exchanger, and a circuit that controls the operation of the bathroom air conditioner. A control unit,
Bathroom air conditioner with improved workability and safety when performing maintenance work such as inspection and replacement of the control unit in `` Bathroom air conditioner installed in the embedded state installed in the ceiling opening of the bathroom '' The issue is to provide

The technical means of the present invention for solving the above problems are as follows:
"The control unit is provided on the side surface of the bathroom air conditioner body facing the inspection port side opened on the ceiling of the bathroom,
The main body of the air conditioner accommodates the bathroom heat exchanger and the bathroom circulation fan, and accommodates a bathroom heating unit provided at an upper part of the attachment opening and a ventilation fan for discharging the air in the bathroom to the outdoors. A ventilation unit connected in a removable state to a side surface on the inspection port side opened on the ceiling of the bathroom in the bathroom heating unit,
One side of the ventilation unit is provided with an exhaust duct connection port for connecting an exhaust duct for discharging the air sent from the ventilation fan to the outside.
Two opposing side surfaces other than the one side surface of the ventilation unit are each provided with a second connection portion that can be detachably connected to a first connection portion provided on a side surface of the bathroom heating unit on the inspection port side. And
One of the second connecting portions is connected to the first connecting portion, the other second connecting portion is covered with a detachable closing plate, and the control unit is provided on the closing plate. It is.
According to the above technical means, the bathroom air conditioner body includes a bathroom heating unit that houses the bathroom heat exchanger and the bathroom circulation fan, and a ventilation unit that houses the ventilation fan, and the control unit includes the bathroom heating unit. And the air conditioner main body consisting of the ventilation unit connected to the side surface of the inspection port side is provided on the side surface of the inspection port side opened on the ceiling of the bathroom. The maintenance work of the control unit can be performed in a forward-facing posture that is easy to wear.
In addition, there is no possibility that the worker will come into contact with a heat exchanger, a circulation fan or the like inside the bathroom heating unit during the maintenance work.

  Further, in this case, the ventilation unit is detachably connected to the side surface on the inspection port side in the bathroom heating unit, and the control unit is provided on the side surface on the inspection port side of the ventilation unit. If the ventilation unit is removed, the control unit can be removed at the same time.

  Moreover, the 2nd connection part which can be connected to the 1st connection part provided in the side surface of the bathroom heating unit is separately provided in two side surfaces which a ventilation unit opposes, and one side of this 2nd connection part is the said A first connecting part is detachably connected, and a closing plate is detachably attached to the other second connecting part, and a control unit is provided on the closing plate.

  Therefore, contrary to the above attachment state, if the closing plate is attached to one second connecting part and the other second connecting part is connected to the first connecting part, the direction of the exhaust duct connection port is changed by 180 °. be able to. And even if it changes the attachment direction of a ventilation unit to the direction which is easy to connect an exhaust duct, the control unit can be located in the inspection port side of the bathroom where the said maintenance work is easy.

The technical means of the invention according to claim 2 is:
“Contains a bathroom-side heat exchanger through which hot water from a water heater flows, a bathroom circulation fan that circulates air in the bathroom via the bathroom-side heat exchanger, and a circuit that controls the operation of the bathroom air conditioner. In a bathroom air conditioner equipped with a control unit and mounted in an embedded state in a mounting opening opened on the ceiling of the bathroom,
The bathroom air conditioner main body accommodates the bathroom-side heat exchanger and the bathroom circulation fan, and a bathroom heating unit provided at an upper part of the attachment port;
A dressing room side heat exchanger through which hot water from a water heater flows and a dressing room circulation fan that circulates the air in the dressing room through the dressing room side heat exchanger are housed, and are opened on the ceiling of the bathroom in the bathroom heating unit A dressing room heating unit detachably connected to the side surface of the inspection port side,
The control unit is provided on the side surface on the inspection port side in the dressing room heating unit ”.
In this, the dressing room heating unit is detachably connected to the side surface on the inspection port side of the bathroom heating unit, and a control unit is provided on the side surface on the inspection port side of the dressing room heating unit. As in the case of the first aspect, the maintenance work can be performed in a forward-facing posture in which an operator can easily work, and there is no possibility of contact with a heat exchanger, a circulation fan, or the like of the bathroom heating unit.
When the dressing room heating unit and the control unit are replaced at the same time, the control unit can be removed at the same time by removing the dressing room heating unit.

The technical means of the invention according to claim 3 is:
In claim 2,
“On one side of the dressing room heating unit, a circulation duct connection port for circulating the air in the dressing room through the dressing room circulation fan is provided,
On the two opposing side surfaces other than the one side surface of the dressing room heating unit, there are second connection portions that can be detachably connected to first connection portions provided on the side surface on the inspection port side in the bathroom heating unit. Provided separately,
One of the second connecting portions is connected to the first connecting portion, the other second connecting portion is covered with a detachable closing plate, and the control unit is provided on the closing plate. It is.
In this case, on the two opposing side surfaces of the dressing room heating unit, a second connection portion that can be connected to the first connection portion provided on the side surface of the bathroom heating unit is provided separately, one of which is the first side. The connecting portion is detachably connected, and the other has a closing plate detachably attached thereto.

  Therefore, contrary to the above attachment state, if the closing plate is attached to one second connecting part and the other second connecting part is connected to the first connecting part, the direction of the circulation duct connection port is changed by 180 °. be able to. And even if the installation direction of the dressing room heating unit is changed to the direction in which the circulation duct can be easily connected in accordance with the arrangement of the dressing room with respect to the bathroom, the control unit is positioned on the inspection port side of the bathroom where the maintenance work is easy. I can leave it to you.

Since the present invention has the above configuration, the present invention has the following specific effects.
Since the maintenance work of the control unit can be performed in a forward-facing posture in which the worker can easily work, workability is improved.
Further, by working from the inspection port, there is no possibility of coming into contact with a heat exchanger, a circulation fan or the like of the bathroom heating unit, so safety is improved.

Furthermore, in addition to the above effects, the control unit can be removed simultaneously with the ventilation unit and the dressing room heating unit, so that workability is further improved.
Further, in the invention according to claim 1, the ventilation unit can be installed in a direction that facilitates connection of the exhaust duct, and the control unit is positioned on the inspection port side of the bathroom even when the installation direction is changed. Therefore, the versatility of the bathroom air conditioner is improved.

In the invention according to claim 3, according to the arrangement of the dressing room with respect to the bathroom, the mounting direction of the dressing room heating unit can be changed to the direction in which the circulation duct can be easily connected, and also when the mounting direction is changed, the control is performed. Since the unit can be located on the side of the inspection port of the bathroom, the versatility of the bathroom air conditioner is improved.

Next, the best mode for carrying out the present invention will be described in detail with reference to the accompanying drawings.
Drawing 1 is an explanatory view of the installation state of the bathroom air conditioner concerning an embodiment of the invention.
The bathroom air conditioner body 1 includes a bathroom heating unit 1A and a heating / ventilation unit 1B, and is installed behind the ceiling of the bathroom A. On the side of the heating / ventilation unit 1B, an exhaust duct D1 extending from the outdoor exhaust port P1, circulation ducts D2 and D3 extending from the circulation ports P2 and P3 provided on the ceiling of the dressing room B, and a ceiling of the toilet C are provided. A ventilation duct D4 extending from the vent hole P4 is connected. The heating / ventilation unit 1B corresponds to the ventilation unit as the invention specific matter of the above-described claim 2 and the dressing room heating unit as the invention specific matter of the already described claim 4.

FIG. 2 is a perspective view in which a part of the bathroom air conditioner body 1 is disassembled, and details of each part will be described below.
[About bathroom heating unit 1A]
The bathroom heating unit 1A is supplied with hot water from a water heater (not shown) in the casing 10 and heats the air in the bathroom A, and inhales the air in the bathroom A to heat the bathroom. A bathroom circulation fan 14 that discharges to the bathroom A through the exchanger 13 is provided, and the casing 10 is mounted in an embedded state in an attachment port A1 that is opened on the ceiling of the bathroom A.

  Moreover, the case opening 100 on the lower surface of the casing 10 is a bathroom circulation fan that discharges air heated through the air inlet 100a of the air flowing from the bathroom A into the casing 10 and the bathroom heat exchanger 13 to the bathroom A. 14 discharge ports 100b, and is covered with a grill 101 that is detachably attached to the lower surface of the casing 10 from the bathroom A.

On the side surface of the casing 10 facing the inspection port A2 opened on the ceiling of the bathroom A, there is a first connection portion 105 to which one of the second connection portions 115a and 115b of the heating and ventilation unit 1B described later is connected. The first connecting portion 105 includes a first communication port 107 communicating with a ventilation passage 10a formed in the casing 10, a damper 18 for opening and closing the first communication port 107, and heating ventilation described later. A fixing hole 106 that engages with the fixing hook 116 of the unit 1B and a screw hole 108 into which a long bolt N1 for fixing the casing 10 and the casing 11 described later is screwed are provided.
The inspection port A2 is an opening used when performing construction work or maintenance (inspection, parts replacement, etc.) of the bathroom air conditioner.

[About heating and ventilation unit 1B]
The casing 11 of the heating / ventilation unit 1B is a box formed in a substantially rectangular parallelepiped shape, and includes a first chamber 11a as an air passage for the bathroom A and the toilet C and an air circulation passage for the air in the dressing room B. 2 chambers 11b.

  The first chamber 11a accommodates a ventilation fan 15 that exhausts the air from the bathroom A, the dressing room B, and the toilet C to the outside. Hot water is supplied from the water heater (not shown) to the second chamber 11b. The undressing room-side heat exchanger 16 that is supplied and heats the air in the undressing room B, and the undressing room B that draws the air in the undressing room B into the casing 11 and discharges it to the undressing room B through the undressing room-side heat exchanger 16 A chamber circulation fan 17 is accommodated. A communication port 11c having an open / close damper is provided between the first chamber 11a and the second chamber 11b.

  On one side of the casing 11, a duct connection port 111 for connecting the exhaust duct D1 and the discharge port of the ventilation fan 15 and a duct connection port 114 for connecting the ventilation duct D4 and the inside of the first chamber 11a are arranged in parallel. ing. The duct connection port 111 corresponds to an exhaust duct connection port as the invention specific matter of the invention of claim 3 described above.

  In addition, on the side surface facing the side surface where the duct connection ports 111 and 114 are arranged side by side, the duct connection port 112 that connects the circulation duct D2 and the discharge port of the dressing room circulation fan 17, the circulation duct D3, and the second A duct connection port 113 that communicates with the interior of the chamber 11b is provided in parallel. The duct connection ports 112 and 113 correspond to the circulation duct connection port as the invention specific matter of the invention of claim 5 described above.

  Two opposing side surfaces other than the two side surfaces are provided with second connection portions 115a and 115b that can be connected to the first connection portion 105 of the bathroom heating unit 1A, respectively, and these second connection portions 115a and 115b are provided. The second communication port 117 communicated with the inside of the first chamber 11a, the fixing hole 116 that can be engaged with the fixing hole 106 of the bathroom heating unit 1A or the fixing hole 126 of the closing plate 12 described later, and one second hook. An insertion hole 118 that is drilled from the connecting portion 115a to the other 115b and through which the long bolt N1 is inserted, and a screw hole 119 into which a fixing screw N2 for fixing a closing plate described later is screwed. That is, two opposing side surfaces of the casing 11 are provided with second connecting portions 115a and 115b having the same structure, one of which is connected to the first connecting portion 105 of the bathroom heating unit 1A, On the other side, a closing plate 12 to be described later is attached (see FIG. 5).

  In the state of FIG. 2, the second connecting portion 115 a is connected to the first connecting portion 105, and the fixing hook 116 on the second connecting portion 115 a side is engaged with the fixing hole 106 on the first connecting portion 105 side. The long bolt N1 is screwed into the screw hole 108 through the insertion hole 118 from the other second connecting portion 115b side, so that the casing 11 is fixed to the casing 10. That is, the heating / ventilation unit 1B has a structure that is detachably attached to the side surface of the bathroom heating unit 1A on the inspection port A2 side.

  The other second connecting portion 115 b is covered with a closing plate 12 having a fixing hole 126 that engages with the fixing hook 116, and the fixing hook 116 on the second connecting portion 115 b side is covered with the closing plate 12. The second communication port 117 is closed by engaging with the fixing hole 106 and screwing the fixing screw N2 into the screw hole 119. Further, on the surface side of the closing plate 12 (the surface corresponding to the outer peripheral surface of the casing 11), a control unit 2 containing a circuit board for controlling the operation of the bathroom heating unit 1A and the heating / ventilation unit 1B is fixed by a fixing screw N3. It is fixed. That is, the control unit 2 is detachably attached to the side surface on the inspection port A2 side of the heating and ventilation unit 1B.

[Control unit 2]
The control unit 2 is connected to a control circuit of a water heater (not shown) and a remote controller. Based on the operation information of the remote controller, each operation of the bathroom circulation fan 14, the ventilation fan 15, the dressing room circulation fan 17, the damper 18 and the like is performed. To control.

  Specifically, for example, when performing a drying operation in the bathroom A, the hot water supply operation of a water heater (not shown) is started, and the bathroom circulation fan 14 and the ventilation fan 15 are rotated with the damper 18 opened. Let Then, the air in the bathroom A is sucked into the bathroom circulation fan 14 through the bathroom-side heat exchanger 13 from the air inlet 100a of the case opening 100, and discharged into the bathroom A from the discharge port 100b of the bathroom circulation fan 14. The Since hot hot water from a water heater (not shown) is circulated in the bathroom side heat exchanger 13, the air sucked from the air inlet 100a is warmed by the bathroom side heat exchanger 13 and is heated as hot air from the outlet 100b. Released into the bathroom A.

  In addition, by the rotation of the ventilation fan 15, the air in the bathroom A is sucked from the ventilation passage 10 a of the casing 10 into the first chamber 11 a of the casing 11 of the heating ventilation unit 1 B through the damper 18 in the open state. It is discharged to the outdoors from the discharge port through the exhaust duct D1. Thereby, the inside of the bathroom A can be dried by the warm air and ventilation.

  At this time, since the air in the toilet C flows into the first chamber 11a of the casing 11 through the ventilation duct D4 and is discharged to the outside from the ventilation fan 15 in the same manner as described above, the inside of the toilet C can be ventilated. .

  Further, when the communication port 11c provided with the open / close damper in the casing 11 is in an open state, the air in the dressing room B is sucked into the second chamber 11b of the casing 11 through the circulation duct D3, and the first through the communication port 11c. It is sucked into the chamber 11a. And since it discharges | emits outdoors from the discharge port of the ventilation fan 15 similarly to the above, in addition to the ventilation in the toilet C, the dressing room B can also be ventilated.

  When the heating operation in the dressing room B is performed, the air in the dressing room B is sucked into the second chamber 11b through the circulation duct D3 by rotating the dressing room circulation fan 17, and hot water from the water heater is used. Since the air heated through the dressing room side heat exchanger 16 through which the air flows is discharged from the discharge port of the dressing room circulation fan 17 into the dressing room B through the circulation duct D2, the inside of the dressing room B can be heated. it can.

[Actual maintenance work]
According to this, the control unit 2 has a side surface on the inspection port A2 side of the heating and ventilation unit 1B connected to a side surface on the inspection port A2 side of the bathroom heating unit 1A, that is, the inspection port A2 side of the bathroom air conditioner body 1. Therefore, when carrying out maintenance work such as inspection and replacement of the control unit 2, the operator can perform the maintenance work in a forward-facing posture that facilitates work from the inspection port A2. (See FIG. 3). That is, for example, when the control unit 2 is replaced due to a malfunction of the bathroom air conditioner main body 1, the fixing screw N3 that fixes the control unit 2 to the closing plate 12 and the electric power (not shown) connected to the control unit 2. The control unit 2 can be removed in a posture that facilitates the work of removing the wiring. Further, since the above operation can be performed without removing the grill 101, there is no possibility of contacting the bathroom heat exchanger 13 or the bathroom circulation fan 14 in the bathroom heating unit 1A.

  On the other hand, when replacing the heating / ventilation unit 1B and the control unit 2 with new ones, remove the long bolt N1 and remove the fixing hook 116 of the heating / ventilation unit 1B engaged with the fixing hole 106 of the bathroom heating unit 1A. Thus, the heating / ventilation unit 1B and the control unit 2 can be separated from the bathroom heating unit 1A at the same time.

  Further, since the second connecting portions 115a and 115b having the same structure are respectively provided on the opposite side surfaces of the casing 11, unlike the case shown in FIG. 1, the exhaust duct D1 extending from the exhaust port P1 is provided with the inspection port. Under the installation conditions as shown in FIG. 4, piping from the left side toward the bathroom air conditioner body 1 as viewed from A2, the direction in which the exhaust duct D1 is easily connected to the duct connection port 111, that is, the duct connection port 111 is shown. Even if the heating ventilation unit 1B and the bathroom heating unit 1A are connected in the direction facing the left side, the control unit 2 can be disposed at the position facing the inspection port A2 side. Specifically, the 2nd connection part 115b of the heating ventilation unit 1B is connected to the 1st connection part 105 of 1 A of bathroom heating units, and the obstruction board 12 provided with the control unit 2 is attached to the 2nd connection part 115a (FIG. 5). reference). The second connecting part 115b and the first connecting part 105 are fixed in the same manner as in the case of connecting the second connecting part 115a and the first connecting part 105 described above, and the second connecting part 115a and the closing plate 12 are Is fixed in the same manner as the case where the closing plate 12 is fixed to the second connecting portion 115b described above.

  In the installation condition (see FIG. 4) in which the dressing room B is located on the right side of the bathroom air conditioner body 1 when viewed from the inspection port A2 with respect to the bathroom A, the circulation duct D2 is the same as in the above installation condition. , D3 is easily connected to the duct connection ports 112, 113, that is, the heating / ventilation unit 1B and the bathroom heating unit 1A are coupled in such a direction that the duct connection ports 112, 113 face the dressing room B side, The control unit 2 can be disposed at a position facing the inspection port A2.

Thereby, even when the heating / ventilation unit 1B is attached to the bathroom heating unit 1A in accordance with the installation conditions, the control unit 2 can always be positioned on the inspection port A2 side where maintenance work is easy.
The heating / ventilation unit 1B may have only a ventilation function that does not include the dressing room-side heat exchanger 16 or the dressing room circulation fan 17, or may have a ventilation room heating function that does not include the ventilation fan 15. It may be provided with only.

Explanatory drawing of the installation state of the bathroom air conditioner which concerns on embodiment of this invention The perspective view which decomposed | disassembled some bathroom air conditioners which concern on embodiment of this invention Explanatory drawing which shows the maintenance work state of the bathroom air conditioner which concerns on embodiment of this invention. Explanatory drawing of the other installation state of the bathroom air conditioner which concerns on embodiment of this invention The perspective view which decomposed | disassembled some bathroom air conditioners which concern on embodiment of this invention Perspective view of a conventional bathroom air conditioner Explanatory drawing which shows the maintenance work state of the bathroom air conditioner of a prior art example

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Bathroom air conditioner main body 2 ... Control unit 13 ... Bathroom side heat exchanger 14 ... Bathroom circulation fan

Claims (3)

Control that houses a bathroom side heat exchanger through which hot water from a water heater flows, a bathroom circulation fan that circulates air in the bathroom via the bathroom side heat exchanger, and a circuit that controls the operation of the bathroom air conditioner A unit,
In a bathroom air conditioner that is installed embedded in a mounting opening established on the ceiling of the bathroom,
The control unit is provided on the side of the bathroom air conditioner body facing the inspection port side opened on the ceiling of the bathroom,
The main body of the air conditioner accommodates the bathroom heat exchanger and the bathroom circulation fan, and accommodates a bathroom heating unit provided at an upper part of the attachment opening and a ventilation fan for discharging the air in the bathroom to the outdoors. A ventilation unit connected in a removable state to a side surface on the inspection port side opened on the ceiling of the bathroom in the bathroom heating unit,
One side of the ventilation unit is provided with an exhaust duct connection port for connecting an exhaust duct for discharging the air sent from the ventilation fan to the outside.
Two opposing side surfaces other than the one side surface of the ventilation unit are each provided with a second connection portion that can be detachably connected to a first connection portion provided on a side surface of the bathroom heating unit on the inspection port side. And
One of the second connecting parts is connected to the first connecting part, the other second connecting part is covered with a detachable closing plate, and the control unit is provided on the closing plate. Air conditioner. Control that houses a bathroom side heat exchanger through which hot water from a water heater flows, a bathroom circulation fan that circulates air in the bathroom via the bathroom side heat exchanger, and a circuit that controls the operation of the bathroom air conditioner In a bathroom air conditioner equipped with a unit and installed in an embedded state in a mounting opening opened on the ceiling of the bathroom,
The bathroom air conditioner main body accommodates the bathroom-side heat exchanger and the bathroom circulation fan, and a bathroom heating unit provided at an upper part of the attachment port;
A dressing room side heat exchanger through which hot water from a water heater flows and a dressing room circulation fan that circulates the air in the dressing room through the dressing room side heat exchanger are housed, and are opened on the ceiling of the bathroom in the bathroom heating unit A dressing room heating unit detachably connected to the side surface of the inspection port side,
The control unit is a bathroom air conditioner provided on a side surface on the inspection port side in the dressing room heating unit. The bathroom air conditioner according to claim 2,
One side of the dressing room heating unit is provided with a circulation duct connection port for circulating the air in the dressing room through the dressing room circulation fan,
On the two opposing side surfaces other than the one side surface of the dressing room heating unit, there are second connection portions that can be detachably connected to first connection portions provided on the side surface on the inspection port side in the bathroom heating unit. Provided separately,
One of the second connecting parts is connected to the first connecting part, the other second connecting part is covered with a detachable closing plate, and the control unit is provided on the closing plate. Air conditioner.

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