JP2007093090A - Installation equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide installation equipment for allowing easy connection work for electric wires. <P>SOLUTION: A bathroom heating/ventilating/drying device 2 has a terminal block 1 mounted at the upper part of a casing 2a. The terminal block 1 has a connector mounting portion 4a to which a connector 3 is mounted, a supporting point portion 4b for serving as a supporting point when changing a mounting direction, and an arm 4c for joining the connector mounting portion 4a to the supporting point portion 4b and guiding an internal wire 5 connected to the connector 3. By changing the mounting direction with the supporting point portion 4b as the supporting point, the mounting direction of the connector 3 is changed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to equipment installed on the ceiling of a building and to which electrical wiring is connected from the outside.

  Conventionally, equipment such as an air conditioner and a ventilation fan is arranged on the ceiling of a building such as a house. For example, a bathroom heating / ventilating / drying apparatus for heating or ventilating the bathroom is installed on the ceiling of the bathroom.

  In the bathroom heating / ventilating / drying device, the front panel on which the air inlet and outlet are formed is exposed to the ceiling panel of the bathroom, and the housing on which the fan is mounted is placed on the back of the ceiling through the opening formed in the ceiling panel. It is installed on the ceiling of the bathroom in the form of entering.

  In such equipment such as a bathroom heating / ventilating / drying apparatus, a terminal block for connecting electric wiring, a power line, and the like from a remote control device for operating the equipment is provided (for example, see Patent Document 1). .

  For example, in a bathroom heating / ventilating / drying apparatus, the terminal block is provided in the upper part of the housing, and the mounting direction of the terminal block is fixed in a predetermined direction.

JP 2001-254982 A

  Equipment such as a bathroom heating / ventilating / drying apparatus may be installed in a place where the height of the ceiling is low. On the other hand, connection work of electrical wiring from outside to equipment such as electrical wiring and power supply lines from a remote control device is often performed from an inspection lid provided on the ceiling.

  However, in the conventional equipment, the terminal block is fixed in a predetermined direction. Depending on the installation direction of the equipment, the terminal block is arranged in a direction in which it is difficult to connect the electrical wiring. There was a problem that the work of connecting the wires became difficult and the workability was remarkably deteriorated.

  The present invention has been made to solve such a problem, and an object of the present invention is to provide equipment that can easily connect electric wiring.

  In order to solve the above-described problems, the equipment of the present invention is a facility equipment installed on the ceiling of a building. The equipment includes a terminal block at the top of the housing, and the terminal block is connected to an external electrical wiring. A terminal portion and at least one connection terminal portion are attached, and a turntable is provided that can switch the attachment direction with the fulcrum portion as a fulcrum with respect to the housing.

  In the equipment of the present invention, by switching the mounting direction of the turntable, the mounting direction of the connection terminal portion is switched according to the position of the inspection lid provided on the ceiling of the building.

  According to the equipment of the present invention, since the mounting direction of the connection terminal portion can be switched to a direction suitable for the electrical wiring connection work, the electrical wiring connection work can be easily performed and workability can be improved. it can.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of a bathroom heating / ventilating / drying apparatus as an equipment of the present invention will be described with reference to the drawings.

<Configuration example of bathroom heating / ventilation / drying apparatus of this embodiment>
FIG. 1 is a block diagram showing an example of a bathroom heating / ventilating / drying apparatus 2 provided with a terminal block 1 of the present embodiment. The terminal block 1 includes one or a plurality of connectors 3 to which electric wiring from the outside is connected, and a turntable 4 to which the connectors 3 are attached.

  The connector 3 is an example of a connection terminal portion, and has, for example, a configuration in which a connector attached to an external electric wiring (not shown) is detachable. Moreover, the structure attached to the electric wiring from the outside which is not shown in figure with a screw | thread etc. may be sufficient.

  The turntable 4 is made of, for example, a T-shaped plate material, and the fulcrum serving as a fulcrum when switching the mounting direction of the terminal block 1 and the connector mounting portion 4a as a terminal mounting portion to which one or a plurality of connectors 3 are mounted. The arm portion 4c is provided as a wiring guiding portion for connecting the portion 4b, the connector mounting portion 4a and the fulcrum portion 4b, and guiding the internal wiring 5 connected to the connector 3.

  The terminal block 1 is attached to the connector mounting portion 4a of the turntable 4 so that a plurality of connectors 3 are arranged in a line in this example. And the terminal block 1 is a structure which can be connected with each connector 3 from the direction on the opposite side to the fulcrum part 4b substantially orthogonally to the arrangement direction of each connector 3. FIG.

  Moreover, the terminal block 1 is attached to the upper part of the bathroom heating ventilation drying apparatus 2, and is a structure which can switch an attachment direction by using the fulcrum part 4b of the turntable 4 as a fulcrum, for example, the 1st shown as a continuous line in FIG. And the mounting direction can be switched between a second direction indicated by a two-dot chain line.

  As a configuration for switching the mounting direction of the terminal block 1, for example, the terminal block 1 is configured to be pivotally supported by the housing 2a of the bathroom heating / ventilating / drying apparatus 2 at the fulcrum portion 4b, and an arbitrary centering on the fulcrum portion 4b. It is good also as a structure which can rotate to a direction or a specific direction.

  In addition, the terminal block 1 is fixed to the housing 2a with a screw or the like, and the orientation is changed to the fulcrum portion 4b as a fulcrum so that the mounting position can be selected. It is good also as a structure which can be switched.

  In the bathroom heating / ventilating / drying apparatus 2, a circuit board 6 is mounted on a housing 2 a, and each connector 3 attached to the terminal block 1 and the circuit board 6 are electrically connected by an internal wiring 5.

  The internal wiring 5 is guided along the arm portion 4 c that connects the connector mounting portion 4 a and the fulcrum portion 4 b in the turntable 4. Moreover, the wiring lead-out part 7 from which the internal wiring 5 is drawn out from the housing 2a is arranged at a position away from the fulcrum part 4b.

  FIG. 2 is a cross-sectional view showing the internal configuration of the bathroom heating / ventilation / drying apparatus 2. Next, an example of the internal configuration of the bathroom heating / ventilation / drying apparatus 2 will be described.

  The bathroom heating / ventilating / drying apparatus 2 includes a substrate mounting portion 11 on an upper portion of a housing 2 a, and a circuit board 6 is mounted on the substrate mounting portion 11. Moreover, the bathroom heating ventilation drying apparatus 2 has the fan unit 12 and the heater 13 attached inside the housing | casing 2a. The fan unit 12 includes a multi-blade impeller (fan) 15 that is rotationally driven, a fan motor 16 that rotationally drives the impeller 15, and a fan case 17 that is mounted with the fan motor 16 and forms an air passage. .

  In addition, the position of the fulcrum part 4b of the terminal block 1 demonstrated in FIG. 1 is good also as a bearing part of the fan motor 16, for example.

  In the fan unit 12, the impeller 15 is arranged vertically, and in the fan case 17, a lower surface along the axial direction of the impeller 15 is opened to form a suction port 18. Further, the fan case 17 is provided with an air path switching unit 19 having an opening on one side surface along the tangential direction of the impeller 15.

  The air path switching unit 19 includes a damper 20 that switches the air path. The damper 20 receives a driving force of a damper motor (not shown) via the cam 20a, and rotates around the shaft 20b to open and close. The fan case 17 communicates with the air path switching unit 19 and includes a blower outlet 21 on the lower surface, and communicates with the air path switching unit 19 and includes an exhaust port 22 on one side surface. An air passage communicating from 18 to the air outlet 21 or an air passage communicating to the exhaust port 22 is formed.

  FIG. 2A shows a state where the damper 20 is fully closed. When the damper 20 is fully closed, the air path to the exhaust port 22 is cut off, and a circulation air path 23 a communicating from the suction port 18 to the blower port 21 is formed. For this reason, the position where the damper 20 is fully closed is referred to as the circulation position of the damper 20.

  FIG. 2B shows a state where the damper 20 is fully opened. When the damper 20 is fully opened, the air path to the air outlet 21 is blocked, and a ventilation air path 23b communicating from the suction port 18 to the exhaust port 22 is formed. For this reason, the position where the damper 20 is fully opened is referred to as the ventilation position of the damper 20.

  FIG. 2C shows a state in which the damper 20 is at an intermediate position between the circulation position and the ventilation position. When the damper 20 is set at an intermediate position between the circulation position and the ventilation position, both a circulation air passage 23 a communicating from the suction port 18 to the blowout port 21 and a ventilation air passage 23 b communicating from the suction port 18 to the exhaust port 22 are formed. . This intermediate position is referred to as a circulation ventilation position.

  The heater 13 is configured by an electric heater and is provided in the above-described air outlet 21. Here, as the heater 13, for example, a PTC heater is provided.

  The housing 2a has an open bottom surface and exposes the inlet 18 and the outlet 21 of the fan unit 12. And the front panel 24 is attached to the lower surface opening part of the housing | casing 2a.

  The front panel 24 is configured to be attachable to and detachable from the housing 2 a, and includes a suction grill 25 facing the suction port 18 of the fan unit 12, and a blow grill 26 facing the blower outlet 21 of the fan unit 12. . The front panel 24 is attached to the back side of the suction grill 25 so that the filter 27 can be replaced.

  Further, the housing 2 a includes an exhaust duct connection portion 28 that communicates with the exhaust port 22 of the fan unit 12 on one side surface. In the bathroom heating / ventilation / drying apparatus 2, an exhaust duct described later is connected to the exhaust duct connection portion 28.

<Installation example of bathroom heating ventilation drying device>
FIG. 3 is a block diagram of a bathroom showing an installation example of the bathroom heating / ventilating / drying apparatus 2. The bathroom heating / ventilating / drying apparatus 2 is installed on the ceiling of the bathroom 31. The ceiling panel of the bathroom 31 is formed with an opening into which the housing 2a of the bathroom heating / ventilation drying apparatus 2 described with reference to FIG. 1 or the like is inserted, and the bathroom heating / ventilation drying apparatus 2 is configured such that the front panel 24 is exposed, It is attached in a form that hangs from the back of the ceiling or a form that is fixed to the ceiling panel.

  In addition, the housing | casing 2a of the bathroom heating ventilation drying apparatus 2 is substantially rectangular as shown in FIG. 1, and the bathroom heating ventilation drying apparatus 2 is attached in the direction along the longitudinal direction of the bathtub 31a.

  In the bathroom heating / ventilating / drying apparatus 2 attached to the ceiling of the bathroom 31, the exhaust duct 32 is connected to the exhaust duct connecting portion 28 described with reference to FIG. 2. The exhaust duct 32 is connected to an outdoor grill 34 attached to an outer wall 33 of a building (not shown), and the air sucked from the bathroom 31 or the like by the bathroom heating / ventilating / drying device 2 can be exhausted to the outside via the exhaust duct 32. ing.

  The bathroom heating / ventilating / drying apparatus 2 receives the operation of the remote control device 36 installed in the bathroom undressing room 35 adjacent to the bathroom 31 and executes predetermined control. The remote control device 36 is connected to the connector 3 attached to the terminal block 1 of the bathroom heating / ventilation / drying device 2 by an external wiring 37 which is an electrical wiring, and operations such as starting and stopping of heating operation and ventilation operation are performed. .

  The bathroom heating / ventilating / drying apparatus 2 is configured to connect a power line (not shown), an electric wiring for interlocking a ventilation fan such as a toilet, and an electric wiring from a lighting switch of the toilet or the bathroom 31. A connector 3 is provided in accordance with the electrical wiring connected from the outside.

Here, the electrical wiring connection work of the bathroom heating / ventilating / drying device 2 and the remote control device 36 is performed behind the ceiling by opening the inspection lid 38 that can be opened and closed on the ceiling panel of the bathroom 31. A bathroom door 39 is provided at the entrance 31, and the bathroom door 39 is provided with an air intake 39 a so that air from a washroom 35 and the like adjacent to the bathroom 31 can be taken into the bathroom 31.

  FIG. 4 is an explanatory view showing an installation example of a bathroom heating / ventilating / drying apparatus according to the type of bathroom. There are two types of bathrooms 31 called the left type and the right type from the relationship between the arrangement of the bathtub 31a and the washing area 31b and the arrangement of the bathroom door 39. Can be selected.

  For example, the bathroom 31L shown in FIG. 4A is the left type, and the bathroom 31R shown in FIG. 4B is the right type.

  The bathroom heating / ventilating / drying apparatus 2 is installed on the ceiling panel of the bathroom 31 along the longitudinal direction of the bathtub 31a, depending on where the outdoor grill 34 is installed.

  Thereby, in the bathroom 31L shown to Fig.4 (a), the one side part 2L of the longitudinal direction of the bathroom heating ventilation drying apparatus 2 opposes the inspection cover 38. FIG. Therefore, the terminal block 1 is shown by a solid line in FIG. 1 so that the mounting direction is switched with the fulcrum part 4b as a fulcrum, and the connector 3 faces one side part 2L in the longitudinal direction of the bathroom heating / ventilation drying apparatus 2. The first orientation is assumed.

  Thereby, the connector 3 attached to the terminal block 1 is arranged on the inspection lid 38 side and can be connected from the inspection lid 38 side.

  On the other hand, in the bathroom 31 </ b> R shown in FIG. 4B, the other side 2 </ b> R in the longitudinal direction of the bathroom heating / ventilating / drying apparatus 2 faces the inspection lid 38. For this reason, the terminal block 1 switches a mounting direction by using the fulcrum part 4b as a fulcrum, and the connector 3 faces the other side part 2R in the longitudinal direction of the bathroom heating / ventilation drying apparatus 2 by a two-dot chain line in FIG. The second orientation shown is assumed.

  Thereby, the connector 3 attached to the terminal block 1 is arranged on the inspection lid 38 side and can be connected from the inspection lid 38 side.

  Thus, according to the mounting direction of the bathroom heating ventilation drying apparatus 2 by switching the mounting direction of the terminal block 1 according to the positional relationship between the mounting direction of the bathroom heating ventilation drying apparatus 2 and the inspection lid 38, and the like. Therefore, the connection work of the external wiring 37 from the inspection lid 38 can be easily performed, and the workability can be improved.

  4 is merely an example, and depending on the position of the inspection lid 38, for example, the connector 3 is mounted such that the connector 3 faces the lateral side of the bathroom heating / ventilating / drying apparatus 2. It is good also as a direction.

  As shown in FIG. 1, in the bathroom heating / ventilating / drying apparatus 2, the wiring lead-out portion 7 through which the internal wiring 5 connected to the connector 3 is drawn out from the housing 2 a is separated from the fulcrum portion 4 b of the terminal block 1. It is arranged at the position. In addition, the internal wiring 5 is guided along the arm portion 4 c that connects the connector mounting portion 4 a and the fulcrum portion 4 b in the turntable 4.

  Thus, when the mounting direction of the terminal block 1 is switched with the fulcrum portion 4b as a fulcrum, each internal wiring 5 connected to the connector 3 is bent near the fulcrum portion 4b. Therefore, even if the terminal block 1 is rotated with the fulcrum part 4b as a fulcrum, the internal wires 5 are not twisted, and disconnection or the like can be prevented.

  Moreover, if the internal wiring 5 is configured to be housed in the arm portion 4c of the terminal block 1, damage to the internal wiring 5 due to impact or the like can be prevented.

<Operation example of bathroom heating ventilation drying device>
Next, the outline | summary of operation | movement, such as heating operation in the bathroom heating ventilation drying apparatus 2, is demonstrated. In the heating operation, the damper 20 is moved to the circulation position shown in FIG. 2A and the heater 13 is driven.

  In the bathroom heating / ventilation / drying apparatus 2, when the fan motor 16 is driven to rotate, the impeller 15 of the fan unit 12 rotates. When the impeller 15 is driven to rotate, the air in the bathroom 31 is sucked from the suction port 18 of the fan unit 12 through the suction grill 25 of the front panel 24.

  If the position of the damper 20 is the circulation position shown in FIG. 2A, a circulation air passage 23a from the suction port 18 to the blowout port 21 is formed in the fan unit 12, so that the air sucked from the suction port 18 is Then, the air passes through the circulation air passage 23a and is blown out from the air outlet 21 into the bathroom 31 through the air outlet grill 26 of the front panel 24.

  Since the heater 13 is disposed at the outlet 21 of the circulation air passage 23a, the air passing through the circulation air passage 23a is warmed and blown out from the outlet grill 26 by driving the heater 13.

  Thereby, in heating operation, while the air in the bathroom 31 is circulated, warm air is blown into the bathroom 31 to heat the bathroom 31.

  In the ventilation operation, the position of the damper 20 is set to the ventilation position shown in FIG. The heater 13 is not driven.

  When the position of the damper 20 is the ventilation position shown in FIG. 2B, the ventilation air passage 23b from the suction port 18 to the exhaust port 22 is formed in the fan unit 12, so that the fan motor 16 is driven to rotate. The air sucked from the suction port 18 passes through the ventilation air passage 23b and the exhaust port 22, and is further exhausted from the outdoor grill 34 to the outside through the exhaust duct 32 shown in FIG.

  Thereby, in ventilation operation, the steam and moisture in the bathroom 31 are exhausted.

  In the drying operation, the damper 20 is moved to the circulating ventilation position shown in FIG. 2C and the heater 13 is driven.

  If the position of the damper 20 is the circulation ventilation position shown in FIG. 2C, the circulation air path 23 a from the suction port 18 to the blowout port 21 and the ventilation airflow path from the suction port 18 to the exhaust port 22 in the fan unit 12. 23b is formed, so that part of the air sucked from the suction port 18 through the rotation of the fan motor 16 passes through the circulation air passage 23a and passes through the blowout grill 26 of the front panel 24 from the blowout port 21. Through the bathroom 31.

  Further, the remaining portion of the air sucked from the suction port 18 passes through the ventilation air passage 23b and the exhaust port 22, and is further exhausted from the outdoor grill 34 to the outside through the exhaust duct 32 shown in FIG.

  Thereby, in the dry operation, steam and moisture in the bathroom 31 are exhausted while circulating the air in the bathroom 31 and blowing hot air into the bathroom 31.

  In the cool breeze operation, steam and moisture in the bathroom 31 are exhausted while circulating the air in the bathroom 31 by setting the damper 20 to the circulation ventilation position and not driving the heater 13.

<Modified example of bathroom heating ventilation drying device>
In the above-described embodiment, the bathroom heating / ventilating / drying apparatus 2 includes one fan and a damper and can circulate and exhaust the air in the bathroom. However, the circulation fan and the exhaust ( A configuration in which a fan for ventilation) is independently provided may be used.

  The present invention is applied to equipment such as an air conditioner and a ventilation fan installed on the ceiling of a building such as a house.

It is a block diagram which shows an example of the bathroom heating ventilation drying apparatus provided with the terminal block of this Embodiment. It is sectional drawing which shows the internal structure of a bathroom heating ventilation drying apparatus. It is a block diagram of the bathroom which shows the example of installation of a bathroom heating ventilation drying apparatus. It is a block diagram which shows an example of a supply control valve apparatus. It is explanatory drawing which shows the example of installation of the bathroom heating ventilation drying apparatus according to the type of bathroom.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Terminal block, 2 ... Bathroom heating ventilation drying apparatus, 3 ... Connector, 4 ... Rotary table, 4a ... Connector attaching part, 4b ... Supporting point part, 4c ... Arm Parts, 5 ... internal wiring, 6 ... circuit board, 7 ... wiring lead-out part, 31 ... bathroom

Claims (3)

In equipment installed on the ceiling of a building,
A terminal block is provided at the top of the housing,
The terminal block is
A connection terminal portion to which electrical wiring from the outside is connected;
At least one connection terminal part is attached, and the turntable is provided with a turntable whose attachment direction can be switched with the fulcrum part as a fulcrum with respect to the casing. The terminal block connects a terminal mounting portion to which the connection terminal portion is mounted and the fulcrum portion, and includes a wiring guiding portion that guides an internal wiring that is pulled out from the housing and connected to the connection terminal portion. The equipment according to claim 1, further comprising: The equipment according to claim 1 or 2, wherein the terminal block is pivotally supported by the housing at the fulcrum part, and the mounting direction is switched by rotating the fulcrum part as a fulcrum.

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