WO2018069963A1

WO2018069963A1 - Ventilation device

Info

Publication number: WO2018069963A1
Application number: PCT/JP2016/080121
Authority: WO
Inventors: 裕樹青木; 哲史飯田; 知井ノ口; 加藤　真也
Original assignee: 三菱電機株式会社
Priority date: 2016-10-11
Filing date: 2016-10-11
Publication date: 2018-04-19
Also published as: EP3527900A4; EP3527900B1; JPWO2018069963A1; LT3527900T; EP3527900A1

Abstract

This ventilation device comprises: a ventilator main body, a case for housing the ventilator main body, an operation/display unit housed within the case, a control circuit unit housed within the case, and a lead line (50) for connecting the operation/display unit and the control circuit unit. The operation/display unit comprises a unit case that constitutes a housing, a display substrate (32) housed within the unit case, and a protective wall (333) for protecting the lead line (50), and which is provided to the outside of one side surface (332) of the unit case, with a distance therebetween. The lead line (50) led out from the display substrate (32) to the outside of the one side surface (332) is passed through a gap between the one side surface (332) and the protective wall (333) and led out to the outside of the operation/display unit.

Description

Ventilation fan device

The present invention relates to a ventilation fan device provided with an operation display unit and a control circuit unit.

Conventionally, it has a ventilation fan body in which an air supply path and an exhaust path and a heat exchanger are formed, and heat exchange is performed between a supply airflow flowing through the supply path and an exhaust flow flowing through the exhaust path. Ventilation fan devices that perform ventilation are used.

As such a ventilation fan device, Patent Document 1 discloses an operation display unit having a device such as a lamp for displaying an operation state on a front panel disposed on a front surface of a case housing the ventilation fan body, and display contents in the operation display unit. And a ventilating fan device in which a control circuit unit for controlling the operating state of the ventilating fan body is provided separately. The operation display unit and the control circuit unit are connected by flexible lead wires.

Japanese Patent No. 4850546

However, in the ventilation fan device of the above-mentioned patent document 1, in order to prevent the covering of the lead wire connecting the operation display unit and the control circuit unit from being damaged during the assembly of the ventilation fan device, consideration is given so that the lead wire is not exposed. There is a need to. Here, in order to protect the exposed lead wire, it is necessary to consider such as covering the lead wire with another component, which increases the number of components.

Further, when a plurality of lead wires are used, the plurality of lead wires are bundled with a sheet. However, the sheet for bundling the lead wires is thin so as not to hinder the flexibility of the lead wires. For this reason, in the sheet | seat which bundles a lead wire, the effect which prevents getting damaged at the time of the assembly of a ventilation fan apparatus is not acquired, but a separate separate part for protecting a lead wire is needed.

The present invention has been made in view of the above, and an object of the present invention is to obtain a ventilation fan device that can protect lead wires connecting between internal constituent units without increasing the number of components.

In order to solve the above-described problems and achieve the object, a ventilation fan device according to the present invention includes a ventilation fan body, a case that houses the ventilation fan body, a first unit that is housed in the case, and a housing that is housed in the case. A second unit, and a lead wire connecting the first unit and the second unit. The first unit includes a unit case constituting the housing, a function unit that is housed in the unit case and executes the function of the first unit, and is spaced outward from one side surface of the unit case. A protective wall provided to protect the lead wire, and the lead wire led out of the one side surface from the functional part is inserted into a gap between the one side surface and the protective wall to be outside the first unit. Has been pulled out.

The ventilating fan device according to the present invention has an effect that the lead wires connecting the internal structural units can be protected without increasing the number of parts.

The perspective view which shows the ventilation fan apparatus concerning embodiment of this invention The exploded perspective view which shows the structure of the operation display unit of the ventilation fan apparatus concerning embodiment of this invention. The conceptual diagram which shows the operation display unit and control circuit unit which were connected by the lead wire in the case in the ventilation fan apparatus concerning embodiment of this invention The front view which shows the state in which the lead wire which connects the operation display unit and control circuit unit in the ventilation fan apparatus concerning embodiment of this invention is hold | maintained at the lead press fixing | fixed part provided in the operation display unit. Enlarged view of main parts in FIG. The perspective view which shows the operation display case in the ventilation fan apparatus concerning embodiment of this invention.

Hereinafter, a ventilation fan device according to an embodiment of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

Embodiment FIG. 1 is a perspective view showing a ventilation fan device 100 according to an embodiment of the present invention. In FIG. 1, a ventilation fan device 100 is installed on an upper wall surface of a room (not shown) with an elongated shape extending in the horizontal direction. Moreover, in FIG. 1, the state which looked at the ventilation fan apparatus 100 from the downward right side is shown.

The ventilation fan device 100 is arranged so as to be seen from a viewing window 25 provided in the case 20 and housed in the case 20 together with the ventilation fan body 10, an elongated box-like case 20 that houses the ventilation fan body 10, and the ventilation fan body 10. An operation display unit 30 that performs operation of the ventilation fan device 100 and displays an operation state, and is electrically connected to the operation display unit 30 and can communicate with the operation display unit 30, and a control signal is transmitted to the operation display unit 30. And a control circuit unit 40 which is a functional unit for outputting. That is, the ventilation fan device 100 includes an operation display unit 30 that is a first unit housed in the case 20 and a control circuit that is a second unit that is provided separately from the operation display unit 30 and housed in the case 20. Unit 40.

The ventilation fan body 10 includes a fan, a motor, a heat exchanger, a ventilation path, and the like (not shown) and ventilates indoor air. The case 20 includes a main body case 22 that houses the ventilation fan main body 10 and the control circuit unit 40, and a front case 21 that covers the front surface of the main body case 22. A suction port 23 for sucking indoor air is provided on the lower surface of the front case 21. A blower outlet 24 for blowing fresh air from the ventilation fan body 10 into the room is provided on one end side of the front surface of the front case 21. On the other hand, a viewing window 25 into which the operation display unit 30 is inserted is provided at the lower part on the other end side of the front surface of the front case 21.

FIG. 2 is an exploded perspective view showing the configuration of the operation display unit 30 of the ventilation fan apparatus 100 according to the embodiment of the present invention. FIG. 3 is a conceptual diagram showing the operation display unit 30 and the control circuit unit 40 connected by the lead wire 50 in the case 20 of the ventilation fan apparatus 100 according to the embodiment of the present invention. 2 and 3, the depth direction of the ventilation fan device 100 and the operation display unit 30 is shown as the X direction. In FIG. 4, the lead wire 50 connecting the operation display unit 30 and the control circuit unit 40 in the ventilation fan apparatus 100 according to the embodiment of the present invention is held by a lead press fixing portion 334 provided in the operation display unit 30. It is a front view which shows a state. FIG. 5 is an enlarged view of a portion A in FIG. FIG. 6 is a perspective view showing the operation display case 33 in the ventilation fan apparatus 100 according to the embodiment of the present invention.

The operation display unit 30 includes an operation display unit 31 capable of displaying the operation and operating state of the ventilation fan device 100 as a function unit that executes the function of the operation display unit 30, and a ventilation fan as a function unit that executes the function of the operation display unit 30. The display board 32 includes a lamp 321 for displaying the operating state of the apparatus 100, and the operation display case 33 that houses the display board 32 and has the operation display section 31 attached to the front opening.

The operation display unit 31 includes a button operation unit 311 having an operation button for operating the ventilation fan device 100, a light receiving unit 312 that receives an infrared light operation signal from the outside, and a ventilation fan device 100 in front of the viewing window 25. And a lamp display section 313 for displaying the operation state of Further, the operation display unit 31 is attached to an opening in the operation display case 33 to constitute a part of the casing of the operation display unit 30.

The light receiving unit 312 is a part that receives an infrared optical operation signal emitted from an external device such as a remote controller (not shown). The light receiving unit 312 is provided with a cover that blocks an optical signal from a direction other than a diagonally downward direction in front of a light receiving element (not shown) that receives infrared rays so that the optical operation signal from the diagonally downward direction can be received well. It is configured.

The lamp display unit 313 is configured so that light from a lamp 321 of the display substrate 32 to be described later can be seen from the opening, and there are a plurality of lamps 321 that can be seen from the opening, and the lamp 321 that is in the operating state is turned on. To display the operating state of the ventilation fan device 100. The plurality of lamps 321 have different colors.

The display substrate 32 has a plurality of color lamps 321 provided so as to protrude toward the operation display unit 31 side. The multi-color lamps 321 are set to individual colors for each operation state of the ventilation fan device 100. A connector part to which the display board 32 is connected with a signal line for connecting the operation display unit 30 and the control circuit unit 40, and more specifically, a lead wire 50 which is a signal line for connecting the display board 32 control circuit unit 40. 322 is provided. The connector unit 322 is connected to the lamp 321, the button operation unit 311, and the light receiving unit 312 by wiring (not shown). Further, one end of the lead wire 50 is connected to the connector portion 322, and the other end of the lead wire 50 is drawn out of the operation display unit 30 and connected to the control circuit unit 40. A plurality of lead wires 50 are connected to the connector portion 322 in a state of being arranged in one row. Thereby, the lamp 321, the button operation unit 311, and the light receiving unit 312 are electrically connected to the control circuit unit 40 via the wiring and the lead wire 50 (not shown), and can communicate with the control circuit unit 40. In FIG. 2, only one end side of the lead wire 50 is shown.

The operation display case 33 is made of a resin material, has a hollow rectangular parallelepiped shape with one surface opened, and constitutes a part of the casing of the operation display unit 30. The front surface which is the surface on the operation display unit 31 side in the rectangular parallelepiped shape of the operation display case 33 is an opening 331, and the display substrate 32 can be accommodated in the inside from the opening 331. In the operation display case 33, the operation display unit 31 is attached to the opening 331 on the front surface. That is, the operation display case 33 and the operation display unit 31 constitute a unit case that is a housing of the operation display unit 30.

In addition, the operation display case 33 is arranged outside the one side surface 332 corresponding to the side where the connector portion 322 is arranged on the display substrate 32 and in parallel with the one side surface 332 with a predetermined distance from the one side surface 332. A protective wall 333 is provided and protects the lead wire 50. That is, the protective wall 333 is provided outside the one side surface 332 in a state of being spaced from the one side surface 332 to protect the lead wire 50. The protective wall 333 is connected to one side 332 of the operation display case 33 by the lower connection surface 341. The protective wall 333 is connected to the upper surface 344 of the operation display case 33 by a bent upper connection surface 343.

The protective wall 333 is made of a resin material and is integrally formed with the operation display case 33. That is, since the protective wall 333 is formed at the same time as the operation display case 33 is formed, a separate process for forming the protective wall 333 and a separate process for attaching the protective wall 333 are unnecessary.

In a state where the operation display unit 30 is assembled, that is, in a state where the display substrate 32 is housed in the operation display case 33, the other end side of the lead wire 50 is drawn out of the operation display unit 30. The lead wire 50 extending from the operation display unit 30 is connected to the control circuit unit 40 after being routed through a predetermined path between components of the ventilation fan main body 10 inside the main body case 22.

Here, in the present embodiment, as shown in FIGS. 2 and 4 to 5, a protective wall 333 is provided outside one side 332 of the operation display case 33 of the operation display unit 30. A gap between the one side surface 332 and the protective wall 333 communicates with the outside of the operation display unit 30 so that the lead wire 50 can be inserted. That is, the gap between the one side surface 332 and the protective wall 333 communicates from the inside of the operation display unit 30 to the outside of the operation display unit 30 to the lead wire 50 connected to the display substrate 32, that is, the connector portion 322. An insertion passage through which the connected lead wire 50 can be inserted is configured.

The lead wires 50 connected to the display substrate 32, that is, the lead wires 50 connected to the connector portion 322 are bundled by a thin sheet 323 in a state of being arranged in one row. The other end side of the lead wire 50 passes through a gap between the one side surface 332 of the operation display case 33 and the protective wall 333, and the operation display unit is behind the operation display case 33 in the depth direction as shown in FIG. 30 is pulled out. The protective wall 333 is provided in a range from the connector portion 322 to the rear end portion of the operation display case 33 in the depth direction of the operation display case 33 in a state where the operation display unit 30 is assembled. The depth direction of the operation display unit 30 and the operation display case 33 is the same direction as the depth direction of the ventilation fan device 100, and is the X direction in FIGS.

Since the operation display unit 30 includes the protective wall 333 outside the one side surface 332 of the operation display case 33, the lead wire 50 facing the one side surface 332 of the operation display unit 30 is not exposed, and is protected. It is protected by a wall 333. That is, the lead wire 50 drawn from the display substrate 32 to the outside of the one side surface 332 is inserted into the gap between the one side surface 332 and the protective wall 333 and drawn to the outside of the operation display unit 30. The lead wire 50 drawn out from 332 and facing one side surface 332 is prevented from being exposed to the outside. Thereby, it is possible to prevent the lead wire 50 from being damaged when the ventilation fan device 100 is assembled, and other components from biting the lead wire 50. In addition, it is not necessary to add a dedicated separate part to protect the exposed lead wire 50, and the cost can be reduced.

When the operation display unit 30 does not include the protective wall 333, the other end side of the lead wire 50 is arranged in an exposed state on the outside of one side surface 332 of the operation display case 33. For this reason, the lead wire 50 may be damaged when the ventilation fan device 100 is assembled, and the lead wire 50 may be bitten by other components. In order to prevent the lead wire 50 from being damaged and other parts from biting the lead wire 50, it is necessary to add a separate dedicated part to protect the exposed lead wire 50, and the number of parts is reduced. To increase.

However, in the present embodiment, the operation display unit 30 includes the protective wall 333 outside the one side surface 332 of the operation display case 33, so that it is not necessary to add a dedicated separate part and the number of parts can be increased. In addition, the lead wire 50 can be protected.

As shown in FIGS. 4 and 5, the operation display unit 30 is a lead having a slit shape that presses and fixes the lead wire 50 passing through the gap between the one side surface 332 and the protective wall 333 in the vertical direction. A holding and fixing portion 334 is provided. The up and down direction here corresponds to the arrangement direction of the plurality of lead wires 50 bundled by the thin sheets 323 arranged in one row, and corresponds to the Y direction in FIGS. The lead wire 50 passing through the gap between the one side surface 332 and the protective wall 333 is bundled by a thin sheet 323 and is pulled out of the operation display unit 30 while being fixed to the lead press fixing portion 334. ing.

The lead press fixing portion 334 is provided along the depth direction of the operation display case 33, that is, the X direction in FIGS. The lead press fixing portion 334 presses and fixes the lead wire 50 in the vertical direction. That is, the lead press fixing portion 334 includes an upper lead press fixing portion 335 disposed above the lead wire 50 in the gap between one side 332 of the operation display case 33 and the protective wall 333, and one side 332 of the operation display case 33. And a lower lead pressing and fixing portion 336 disposed below the lead wire 50 in the gap between the protective wall 333 and the protective wall 333.

The lead wire 50 is inserted between the upper lead holding and fixing portion 335 and the lower lead holding and fixing portion 336, so that the lead wire 50 is pressed from above and below by the upper lead holding and fixing portion 335 and the lower lead holding and fixing portion 336. And fixed. That is, among the plurality of lead wires 50 bundled by the thin sheet 323, the upper lead wire 50 is fixed by the upper lead pressing and fixing portion 335 such that the movement in the vertical direction is limited. In addition, the lower lead wire 50 of the plurality of lead wires 50 bundled by the thin sheet 323 is fixed by the lower lead press fixing portion 336 so that the movement in the vertical direction is restricted. Here, the upper lead pressing and fixing portion 335 and the lower lead pressing and fixing portion 336 are formed in a slit shape having a gap narrower than the thickness of the plurality of lead wires 50 bundled by the thin sheets 323.

The upper lead pressing and fixing portion 335 includes a first upper lead pressing and fixing portion 337 and a second upper lead pressing and fixing portion 338. The first upper lead pressing and fixing portion 337 and the second upper lead pressing and fixing portion 338 are located at corresponding positions in the surface direction of the protective wall 333 between the one side surface 332 of the operation display case 33 and the inner surface of the protective wall 333. It has a shape symmetrical with respect to a virtual plane B parallel to the surface direction of the protective wall 333 at the central portion between the first upper lead pressing and fixing portion 337 and the second upper lead pressing and fixing portion 338.

The first upper lead pressing and fixing portion 337 is connected to one side 332 of the operation display case 33 at one end side and protrudes from the other end side of the upper first protruding portion 337a and the upper first protruding portion 337a protruding toward the protective wall 333. The operation display case 33 includes an upper first parallel portion 337b extending downward in parallel with one side surface 332 of the operation display case 33. The second upper lead pressing and fixing portion 338 has one upper end connected to the inner surface of the protective wall 333 and protruding to the one side 332 side of the operation display case 33, and the other end of the upper second protruding portion 338a. And an upper second parallel portion 338b extending downward in parallel with the inner surface of the protective wall 333 from the side.

The upper first parallel part 337b and the upper second parallel part 338b are arranged in a state having a predetermined interval that is thinner than the thickness of the lead wire 50 including the thin sheet 323. By making the distance L1 between the upper first parallel portion and the upper second parallel portion smaller than the thickness L3 of the lead wire including the sheet 323, the lead wire 50 including the thin sheet 323 becomes the upper first parallel portion. The lead wire 50 is fixed by holding down the plurality of lead wires 50 bundled by the thin sheets 323 to restrict upward movement without entering the space between the portion 337b and the upper second parallel portion 338b. Can do.

When the plurality of lead wires are not bundled by the thin sheet 323 and are inserted into the gap between the one side surface 332 of the operation display case 33 and the protective wall 333, the upper first parallel portion 337b and the upper second portion The parallel portion 338b is arranged in a state having a predetermined interval that is thinner than the thickness of the lead wire 50. By making the distance L1 between the upper first parallel portion and the upper second parallel portion smaller than the thickness of the lead wire 50, the lead wire 50 is connected to the upper first parallel portion 337b and the upper second parallel portion 338b. It is possible to fix the lead wire 50 by pressing the lead wire 50 and restricting the upward movement without entering the gap between the lead wires 50.

Similarly, the lower lead press fixing portion 336 includes a first lower lead press fixing portion 339 and a second lower lead press fixing portion 340. The first lower lead pressing and fixing portion 339 and the second lower lead pressing and fixing portion 340 are located at corresponding positions in the surface direction of the protective wall 333 between the one side surface 332 of the operation display case 33 and the inner surface of the protective wall 333. It has a shape symmetrical with respect to an imaginary plane parallel to the surface direction of the protective wall 333 at the central portion between the first lower lead pressing and fixing portion 339 and the second lower lead pressing and fixing portion 340.

The first lower lead press fixing portion 339 is a connection surface 341 that connects the one side surface 332 of the operation display case 33 and the protective wall 333 on the side surface 332 side between the one side surface 332 of the operation display case 33 and the protective wall 333. And projecting upward in parallel with the surface direction of the protective wall 333. The second lower lead pressing and fixing portion 340 is provided on the protective wall 333 between the one side surface 332 of the operation display case 33 and the protective wall 333. It protrudes upward from the inner surface in parallel with the surface direction of the protective wall 333.

The first lower lead press fixing portion 339 and the second lower lead press fixing portion 340 are arranged in a state having a predetermined interval that is thinner than the thickness of the lead wire 50 including the thin sheet 323. By reducing the distance L2 between the first lower lead pressing and fixing portion and the second lower lead pressing and fixing portion from the thickness L3 of the lead wire including the sheet, the lead wire 50 including the thin sheet 323 becomes the first. 1 The lower lead press fixing portion 339 and the second lower lead press fixing portion 340 do not enter the space, and the plurality of lead wires 50 bundled by the thin sheets 323 are pressed to restrict downward movement. The lead wire 50 can be fixed.

In the case where the plurality of lead wires are not bundled by the thin sheet 323 and are inserted into the gap between the one side surface 332 of the operation display case 33 and the protective wall 333, the first lower lead press fixing portion 339 and the first 2 The lower lead press fixing portion 340 is disposed in a state having a predetermined interval that is thinner than the thickness of the lead wire 50. By making the distance between the first lower lead pressing and fixing portion 339 and the second lower lead pressing and fixing portion 340 thinner than the thickness of the lead wire 50, the lead wire 50 and the first lower lead pressing and fixing portion 339 are separated. The lead wire 50 can be fixed by holding down the lead wire 50 and restricting the downward movement without entering the space between the second lower lead hold-down fixing portion 340.

Further, the lead pressing and fixing portion 334 is not limited to the above shape as long as the lead wire 50 at the upper end among the plurality of lead wires 50 bundled by the thin sheet 323 can be fixed at the same position in the vertical direction.

Further, the operation display case 33 has a fitting portion 342 corresponding to the side on which the connector portion 322 is disposed on the display substrate 32 and fitted into the end portion 332a of the one side surface 332 through which the lead wire 50 drawn from the display substrate 32 passes. . The fitting portion 342 is a notch for positioning in order to make it easy to understand the position where the lead wire 50 is connected to the display substrate 32. In other words, the fitting portion 342 is a notch portion for determining the position of the end portion 332 a of the one side surface 332 of the lead wire 50 drawn from the display substrate 32 to the outside of the one side surface 332.

By having the fitting portion 342 at the end portion 332a of the one side surface 332, the connection position can be easily understood when the lead wire 50 is connected to the connector portion 322 of the display substrate 32 housed in the operation display case 33. That is, when the female connector that constitutes a part of the connector portion 322 is provided on the display substrate 32 and one end of the lead wire 50 is connected to connect the male connector that constitutes the other portion of the connector portion 322, The connection position to be connected becomes easy to understand, and positioning of the lead wire 50 is facilitated. In the present embodiment, one end side of the plurality of lead wires 50 is gathered by the connector portion 322. However, when the connector portion 322 is not used, the effect of facilitating the positioning of the lead wire 50 is obtained. It is done.

Further, when the lead wire 50 is fitted into the fitting portion 342, the connector portion 322 to which the lead wire 50 is connected is positioned and fixed, and flapping of the lead wire 50 can be suppressed. Thereby, when the operation display unit 31 and the operation display case 33 are engaged to form the operation display unit 30, the lead wire 50 can be prevented from being bitten and workability is improved.

In the above description, the case where the protective wall 333 is provided in the range from the connector portion 322 in the depth direction of the operation display case 33 to the rear end portion of the operation display case 33 has been described. It is also possible to provide a part in the range from 322 to the rear end of the operation display case 33.

Moreover, although the ventilation fan apparatus 100 concerning this Embodiment mentioned above is a heat exchange type ventilation fan apparatus equipped with the heat exchanger, the structure of the operation display unit 30 mentioned above is not restricted to a heat exchange type ventilation fan apparatus. The present invention can also be applied to a ventilation fan device that does not include a heat exchanger and performs only air blowing.

As described above, in the ventilation fan device 100 according to the present embodiment, the operation display case 33 of the operation display unit 30 extends from the display substrate 32 to the outside of the operation display unit 30 along one side surface 332 of the operation display case 33. A protective wall 333 that protects the lead wire 50 is provided outside the passage route through which the lead wire 50 drawn out passes. Thus, it is necessary to add a separate dedicated component to protect the lead wire 50 from the fact that the covering of the lead wire 50 connecting the operation display unit 30 and the control circuit unit 40 is damaged when the ventilation fan device 100 is assembled. And can be prevented.

Further, since the protective wall 333 is formed of resin at the same time as the operation display case 33 is formed, an individual process for forming the protective wall 333 and an individual process for attaching the protective wall 333 are unnecessary.

Also, a fitting portion 342 is provided at an end portion 332a of one side surface 332 of the operation display case 33 through which the lead wire 50 drawn from the display substrate 32 passes. Thereby, the operation display unit 31 and the operation display case 33 can be engaged to prevent the lead wire 50 from being bitten when the operation display unit 30 is formed, and the assembly workability of the operation display unit 30 can be reduced. Can be improved.

Therefore, according to the ventilating fan device 100 according to the present embodiment, the lead wire 50 that connects the operation display unit 30 and the control circuit unit 40, which are constituent units inside the ventilating fan device 100, without increasing the number of parts. Can protect.

The configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.

10 Ventilation fan body, 20 case, 21 front case, 22 body case, 23 inlet, 24 outlet, 25 viewing window, 30 operation display unit, 31 operation display unit, 32 display board, 33 operation display case, 40 control circuit unit 50 lead wire, 100 ventilation fan device, 311 button operation unit, 312 light receiving unit, 313 lamp display unit, 321 lamp, 322 connector unit, 323 sheet, 331 opening, 332 one side, 332a end, 333 protective wall, 334 Lead holding part, 335 Upper lead holding part, 336 Lower lead holding part, 337 First upper lead holding part, 337a Upper first protruding part, 337b Upper first parallel part, 338 Second upper lead holding part 338a Upper second protrusion 338b, upper first parallel portion, 339, first lower lead press fixing portion, 340, second lower lead press fixing portion, 341 connection surface, 342 fitting portion, L1 between upper first parallel portion and upper second parallel portion Interval, L2 Interval between the first lower lead retainer fixing portion and the second lower lead retainer fixing portion, and L3 thickness of the lead wire including the sheet.

Claims

A ventilation fan body,
A case for storing the ventilation fan body;
A first unit housed in the case;
A second unit housed in the case;
A lead wire connecting the first unit and the second unit;
With
The first unit is:
A unit case constituting the housing;
A functional unit that is housed in the unit case and executes the function of the first unit;
A protective wall provided on the outer side of the one side surface in a state spaced from one side surface of the unit case, and protecting the lead wire;
With
The lead wire drawn out of the one side surface from the functional part is inserted into a gap between the one side surface and the protective wall and drawn out of the first unit;
Ventilation fan device characterized by.
The first unit has a pressing and fixing portion for pressing and fixing the lead wire in the gap;
The ventilation fan apparatus of Claim 1 characterized by these.
The first unit has a notch portion that determines a position at an end portion of the one side surface of the lead wire drawn out from the functional portion to the outside of the one side surface;
The ventilation fan apparatus of Claim 1 or 2 characterized by these.
The first unit is an operation display unit in which the functional unit controls operation of the ventilation fan device and display of an operation state.
The second unit is a control circuit unit that outputs a control signal to the operation display unit;
The ventilation fan device according to any one of claims 1 to 3.