CN211012064U - Air door device - Google Patents

Abstract

An air door device is provided, which can avoid the influence of the lead wire connected with a heater on the action of the air door device and can be easily assembled. The utility model discloses an air door device includes: a frame having an opening; a shutter for opening and closing the opening; a heater provided to the frame or the baffle; and a housing that houses a drive portion for driving the shutter and a terminal portion electrically connected to the drive portion, wherein the housing includes a lead wire, one end of the lead wire is electrically connected to the heater, the other end of the lead wire is provided with a lead wire side connector, the housing is provided with a housing side connector, and the housing side connector is fitted to the lead wire side connector so that the heater is electrically connected to the terminal portion.

Description

Air door device

Technical Field

The utility model relates to an air door device.

Background

A refrigerator is generally provided with a damper device that controls supply of cold air or the like to a refrigerating chamber, a freezing chamber, or the like.

The damper device generally includes: a frame having an opening; a shutter for opening and closing the opening; and a housing accommodating a driving portion for driving the shutter and a terminal portion electrically connected to the driving portion.

As described above, since the damper device controls the cooled air, the damper of the damper device may be frozen together with the frame due to freezing or the like, and thus normal opening and closing operations may not be performed.

In view of the above, in a conventional damper device, a heater (usually a copper foil-like resistance pattern) may be provided on the shutter.

In the damper device, a dedicated line separate from the power supply line of the drive unit is generally provided to supply power to the heater, and therefore, a large amount of material is consumed, and the manufacturing cost is likely to increase.

In view of the above, it is conceivable to share one terminal portion with the lead wire connected to the heater and the driving portion, that is, to weld one end of the lead wire to the heater and weld the other end of the lead wire to the terminal portion in the case.

However, in the above case, if both ends of the lead wire are previously soldered to the heater and the terminal portion in the case, respectively, in view of the reliable performance of the soldering work, it is difficult to assemble the baffle plate provided with the heater to the frame due to the restriction of the lead wire; on the other hand, if the length of the lead wire is increased to facilitate the assembly of the damper provided with the heater to the frame after the welding operation, the lead wire is likely to interfere with peripheral components and affect the operation of the damper device.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above problems, and an object of the present invention is to provide an air door device that is easy to assemble while avoiding the influence of a wire connected to a heater on the operation of the air door device.

In order to achieve the above object, the utility model provides an air door device, include: a frame having an opening; a shutter for opening and closing the opening; a heater provided to the frame or the baffle; and a housing that houses a drive portion for driving the shutter and a terminal portion electrically connected to the drive portion, wherein the housing includes a lead wire, one end of the lead wire is electrically connected to the heater, the other end of the lead wire is provided with a lead wire side connector, the housing is provided with a housing side connector, and the housing side connector is fitted to the lead wire side connector so that the heater is electrically connected to the terminal portion.

According to the air door device of the present invention, including the wire, one end of the wire is electrically connected to the heater, the other end of the wire is provided with the wire side connector, the housing is provided with the housing side connector, the housing side connector is engaged with the wire side connector, thereby electrically connecting the heater with the terminal portion, therefore, when assembling, even if one end of the wire is connected to the heater provided on the baffle and the frame provided with the heater is assembled with the housing, or one end of the wire is connected to the heater provided on the frame and the frame provided with the heater is assembled with the housing, without lengthening the wire, the electrical connection of the heater with the terminal portion can be conveniently realized by engaging the housing side connector with the wire side connector provided on the other end of the wire, thereby, while avoiding the wire connected to the heater from affecting the operation of the air door device, the assembling work is easy.

Further, in the damper device of the present invention, it is preferable that the housing has an open box shape, the frame is integrally formed with a cover plate that closes the opening of the housing, the housing-side connector is provided in a space surrounded by the housing and the cover plate, and a through hole is provided in the cover plate or the housing, and the through hole exposes a side of the housing-side connector on which the wire-side connector is fitted.

According to the utility model discloses an air door device, casing side connector sets up in the space that is enclosed by casing and apron, is provided with the perforating hole on apron or casing, and the perforating hole makes one side of casing side connector's confession wire side connector gomphosis expose, consequently, compares with the condition that casing side connector set up outside above-mentioned space, helps improving electrical safety to, realize the gomphosis of casing side connector and wire side connector easily.

In the damper device according to the present invention, it is preferable that the cover plate is provided with a through hole that opens in a direction intersecting an assembling direction of the casing and the frame.

According to the present invention, since the through hole is provided in the cover plate and opens in the direction intersecting the assembling direction of the housing and the frame, the fitting of the wire-side connector and the housing-side connector can be easily achieved even if the working space on the baffle side of the frame is small.

In the damper device of the present invention, it is preferable that the cover plate is provided with a through hole that opens toward the heater.

According to the present invention, since the through hole is provided in the cover plate and the through hole is opened toward the heater, the fitting of the wire-side connector and the case-side connector with a shorter wire is facilitated as compared with the case where the through hole is opened in another direction.

Further, in the damper device of the present invention, it is preferable that the heater is provided in the baffle, the baffle has a baffle side locking portion that locks the middle portion of the wire, and/or the frame has a frame side locking portion that locks the middle portion of the wire.

According to the utility model discloses an air door device carries out the baffle side card portion that blocks and/or sets up the frame side card portion that carries out the card to the wire on the frame through setting up on the baffle, when the wire with heater connection wants to produce the removal because of the action of baffle, can utilize baffle side card portion and/or frame side card portion to restrict the removal of wire, avoids the wire in disorder and blocks between baffle and frame, ensures air door device's action stability easily.

Furthermore, in the damper device of the present invention, it is preferable that the edge of the baffle plate away from the housing is provided with a guide groove, the wire is partially accommodated in the guide groove, a bottom of the guide groove is provided with a protrusion, and the wire and the bottom of the groove form a point contact via the protrusion.

According to the utility model discloses an air door device is provided with the guiding groove at the edge of keeping away from the casing of baffle, and the wire is accomodate in the guiding groove partially, and the tank bottom of guiding groove is provided with the arch, and the wire forms the point contact with the tank bottom via the arch, consequently, helps avoiding the tank bottom of guiding groove to freeze with the wire large tracts of land and lead to the wire to cause the hindrance to the rotation of baffle.

Further, in the damper device of the present invention, it is preferable that the baffle has a baffle main body and a composite film attached to the baffle main body, the heater is a resistance pattern formed on a surface of the composite film facing the baffle main body, and one end of the wire is sandwiched between the baffle main body and the composite film.

According to the utility model discloses an air door device, baffle have the baffle main part and with the complex film of this baffle main part laminating, the heater is the resistance pattern that forms in the complex film towards the surface of baffle main part, a tip of wire is pressed from both sides between baffle main part and complex film, consequently, can restrict the wire with heater connection's one end towards the direction removal that breaks away from the heater to further ensure air door device's action stability.

Further, in the damper device of the present invention, it is preferable that the heater is provided at a periphery of the opening, and the housing includes a groove which is provided at an outer surface of the housing and into which a part of the wire is inserted.

According to the utility model discloses an air door device, casing include the recess, and this recess sets up in the surface of casing, and supply some card of wire to go into, consequently, can utilize simple stable in structure to keep the wire, avoid the wire in disorder and with the action in baffle etc. produce the interference, further ensure air door device's action stability.

In the damper device of the present invention, it is preferable that a circuit board is provided in the housing, the terminal portion is electrically connected to the driving portion via the circuit board, and the housing-side connector is provided on the circuit board.

According to the utility model discloses an air door device is provided with the circuit board in the casing, simplifies the operation that makes drive division and terminal part electricity be connected easily, that is to say, when the terminal of terminal part becomes intensive because of air door device's miniaturization, the operation of being connected the terminal of wire directness and terminal part can become very difficult, and on the contrary, when setting up the circuit board, only need make the terminal of terminal part, the terminal of drive division pass the through-hole of circuit board respectively can utilize the pattern realization terminal part on the circuit board to be connected with the electricity of drive division.

(effects of utility model)

According to the present invention, including the lead wire, one end of the lead wire is electrically connected to the heater, the other end of the lead wire is provided with the lead wire side connector, the housing is provided with the housing side connector, and the housing side connector is fitted to the lead wire side connector, thereby electrically connecting the heater to the terminal portion, so that, when assembling, even if one end of the lead wire is connected to the heater provided in the baffle and the frame provided with the heater is assembled to the housing, or one end of the lead wire is connected to the heater provided in the frame and the frame provided with the heater is assembled to the housing, the electrical connection of the heater to the terminal portion can be easily achieved by fitting the housing side connector to the lead wire side connector provided at the other end of the lead wire without lengthening the lead wire, thereby avoiding the influence of the lead wire connected to the heater on the, the assembling work is easy.

Drawings

Fig. 1 is a perspective view schematically showing a damper device according to an embodiment of the present invention.

Fig. 2 is a perspective view schematically showing an assembled state of the damper device according to the embodiment of the present invention.

Fig. 3 is an exploded perspective view schematically showing a damper device according to an embodiment of the present invention.

Fig. 4 is a perspective view schematically showing the structure of the drive unit and its vicinity of the damper device according to the embodiment of the present invention.

Fig. 5 is a perspective view schematically showing a modification of the damper device according to the embodiment of the present invention.

Fig. 6 is a perspective view schematically showing another modification of the damper device according to the embodiment of the present invention.

(symbol description)

1 air door device

10 frame

11 flat plate part

111 opening

12 side plate part

121 first side plate

1211 through hole

122 second side plate

1221 frame side locking part

123 third side plate

124 fourth side panel

13 flange part

20 baffle

21 baffle plate main body

211 guide groove

212 shutter side locking part

22 buffer sheet

23 composite membrane

30 heater

40 casing

41 bottom plate part

42 side plate part

421 first side plate

422 second side plate

423 third side plate

424 fourth side plate

44 baffle plate

50 drive part

51 motor

52 movement mechanism

60 terminal part

71 first conductive line

711 first turning part

72 second conductive line

721 second returning part

80 circuit board

91 wire side connector

92 casing side connector

Detailed Description

Next, an air door device according to an embodiment of the present invention will be described with reference to fig. 1 to 4, wherein fig. 1 is a perspective view schematically showing an air door device according to an embodiment of the present invention, fig. 2 is a perspective view schematically showing an assembled state of an air door device according to an embodiment of the present invention, fig. 3 is an exploded perspective view schematically showing an air door device according to an embodiment of the present invention, and fig. 4 is a perspective view schematically showing a structure of a driving portion of an air door device according to an embodiment of the present invention and its vicinity.

Here, for convenience of explanation, three directions orthogonal to each other are set as an X direction, a Y direction, and a Z direction, and one side of the X direction is set as X1, the other side of the X direction is set as X2, one side of the Y direction is set as Y1, the other side of the Y direction is set as Y2, one side of the Z direction is set as Z1, the other side of the Z direction is set as Z2, and the extending direction of the rotation center line of the baffle 20 is set to coincide with the X direction, and the normal direction of the plane where the opening 111 of the frame 10 is located is set to coincide with the Z direction.

The damper device 1 is provided, for example, in the middle of an air duct of a refrigerator, and controls supply of cold air or the like flowing through the air duct to a refrigerating chamber, a freezing chamber, or the like.

(integral construction of air door device)

As shown in fig. 1 to 4, the damper device 1 includes: a frame 10, the frame 10 having an opening 111; a shutter 20 for opening and closing the opening 111 of the shutter 20; a heater 30, the heater 30 being provided to the baffle 20; and a housing 40, wherein the housing 40 houses a driving portion 50 for driving the shutter 20 and a terminal portion 60 electrically connected to the driving portion 50.

As shown in fig. 1 to 4, the heater 30 is electrically connected to the terminal portion 60 via conductive wires (in the illustrated example, a first conductive wire 71 and a second conductive wire 72).

(Structure of frame side)

The structure of the frame 10 side mainly includes the frame 10, the baffle 20, and the heater 30.

As shown in fig. 1 to 3, the frame 10 is substantially rectangular when viewed in the Z direction.

Specifically, the frame 10 includes a flat plate portion 11, side plate portions 12, and a flange portion 13. The thickness direction of the flat plate portion 11 coincides with the Z direction, the flat plate portion 11 is substantially rectangular when viewed in the Z direction, and a rectangular opening 111 is formed in a central portion when viewed in the Z direction; the side plate portion 12 is erected from the entire periphery of the outer periphery of the flat plate portion (erected in the Z2 direction in the illustrated example), and includes a first side plate 121 and a third side plate 123 opposed in parallel in the X direction and a second side plate 122 and a fourth side plate 124 opposed in parallel in the Y direction, wherein the first side plate 121 constitutes a cover plate, the first side plate 121 is provided with a through hole 1211, the through hole 1211 is opened toward the heater 30 side, and the side of the case-side connector 92 to be described later to which the lead-wire-side connector 91 is fitted is exposed, and the first side plate 121 is further provided with a through hole (not illustrated) through which a connecting portion between the shutter 20 and the driving portion 50 is inserted; the flange portion 13 rises from the entire periphery of the opening 111 (in the illustrated example, rises toward the Z2 direction).

As shown in fig. 1 to 3, the shutter 20 is rotatable about a rotation center line extending in the Z direction between a position to open the opening 111 and a position to close the opening 111.

Specifically, the baffle 20 includes a baffle main body 21, a buffer sheet 22, and a composite film 23. In a state where the shutter 20 closes the opening 111, a thickness direction of the shutter main body 21 coincides with the Z direction, the shutter main body 21 is substantially rectangular when viewed in the Z direction and slightly larger than the opening 111, a rotation shaft portion (provided in the vicinity of an edge of the shutter main body 21 near the rotation center line in the illustrated example) extending in the X direction is provided at both ends of the shutter main body 21 in the X direction, and the shutter main body 21 is rotatably supported by the frame 10 by the rotation shaft portion; the cushion sheet 22 is made of an elastic material such as sponge, for example, and is provided on one side in the thickness direction of the shutter body 21 by bonding or the like, and in a state where the shutter 20 closes the opening 111, the cushion sheet 22 is substantially rectangular having substantially the same size as the shutter body 21 as viewed in the Z direction, and in a state where the shutter 20 closes the opening 111, the cushion sheet 22 abuts against the entire periphery of the flange portion 13 and deforms, thereby ensuring that the opening 111 is reliably closed; the composite film 23 is attached to the other side in the thickness direction of the shutter main body 21 by screws or the like, and in a state where the shutter 20 closes the opening 111, the composite film 23 is substantially rectangular in shape and slightly smaller in size than the shutter main body 21 when viewed in the Z direction (in the illustrated example, a shallow rectangular recess is provided on the other side in the thickness direction of the shutter main body 21, and the composite film 23 is provided in the rectangular recess).

As shown in fig. 1 to 3, the heater 30 is provided on the surface of the composite film 23 facing the baffle main body 21 (in the illustrated example, the heater 30 is formed of a resistance pattern such as a meandering copper foil formed on the composite film 23, and the composite film 23 is provided with through holes through which portions of the copper foil of the heater 30, i.e., the first connection portion 31 and the second connection portion 32, are exposed, and portions of the heater 30 other than the first connection portion 31 and the second connection portion 32, which are described below, are covered with the composite film 23).

Further, as shown in fig. 1 and 2, the heater 30 has a first connecting portion 31 and a second connecting portion 32 that is farther from the housing 40 than the first connecting portion 31 in the extending direction (i.e., X direction) of the rotation center line of the shutter 20, the first connecting portion 31 is electrically connected to the terminal portion 60 via a first lead wire 71 having a first folded portion 711, the second connecting portion 32 is electrically connected to the terminal portion 60 via a second lead wire 72 having a second folded portion 721, and both the first folded portion 711 and the second folded portion 721 are folded back toward the side where the housing 40 is located after extending in the direction away from the housing 40.

As shown in fig. 1 to 4, one ends of the first and second lead wires 71 and 72 are welded to the heater 30, and the other ends of the first and second lead wires 71 and 72 are provided with a lead wire side connector 91, and the lead wire side connector 91 is fitted to a case side connector 92 provided in the case 40, thereby electrically connecting the terminal portion 60 and the heater 30.

As shown in fig. 1 to 3, one end of the first lead wire 71 connected to the first connection portion 31 and one end of the second lead wire 72 connected to the second connection portion 32 are provided on the surface of the composite film 23 on the side opposite to the baffle main body 21.

Further, as shown in fig. 1 and 2, a housing portion is provided at an edge of the baffle plate 20 away from the case 40, and the first folded portion 711 and the second folded portion 721 are at least partially housed in the housing portion. Specifically, the guide groove 211 as the above-described receiving portion extending in the direction perpendicular to the extending direction of the rotation center line of the bezel 20 is provided at the edge of the bezel main body 21 of the bezel 20 away from the housing 40, the first folded portion 711 and the second folded portion 721 are received in the guide groove 211 while converging and contacting each other after separately extending in the direction away from the housing 40, and a protrusion (not shown) is provided at the groove bottom of the guide groove 211, and the first lead wire 71 and the second lead wire 72 are in point contact with the groove bottom of the guide groove 211 via the protrusion.

As shown in fig. 1 and 2, the frame 10 includes a frame-side engaging portion 1221, and the frame-side engaging portion 1221 engages with the middle portions of the first and second wires 71 and 72 (in the illustrated example, the frame-side engaging portion 1221 is a hook, but is not limited to this, and may be, for example, a groove or a hole, and the position where the frame-side engaging portion 1221 is provided is not limited to the illustrated example and may be appropriately adjusted as needed).

As shown in fig. 1 and 2, the flap 20 includes a flap-side engaging portion 212, and the flap-side engaging portion 212 engages with the intermediate portions of the first and second lead wires 71 and 72 (in the illustrated example, the flap-side engaging portion 212 is a hook and is provided near the edge of the flap main body 21 near the rotation center line of the flap 20, but is not limited thereto, and may be, for example, a groove portion or a hole portion, and the position where the flap-side engaging portion 212 is provided is not limited to the illustrated example and may be appropriately adjusted as needed).

(Structure on the drive section side)

The structure on the driving portion 50 side mainly includes a housing 40, a driving portion 50, a terminal portion 60, and a circuit board 80.

As shown in fig. 3 and 4, the housing 40 has an open box shape, is adjacent to the frame 10 in the extending direction of the rotation center line of the shutter, and the first side plate 121 of the frame 10 constituting the cover closes the opening of the housing 40, and the housing 40 and the frame 10 are connected to each other by a snap structure.

Specifically, the case 40 includes a bottom plate 41 and side plates 42 rising from the periphery of the bottom plate 41. The thickness direction of the bottom plate portion 41 coincides with the X direction, and is substantially rectangular when viewed in the X direction. The side plate portion 42 extends in the X direction (in the illustrated example, extends toward the X2 direction side) from the periphery of the bottom plate portion 41, and has a first side plate 421 and a third side plate 423 that are parallel and opposed to each other in the Z direction, and a second side plate 422 and a fourth side plate 424 that are parallel and opposed to each other in the Y direction. A partition 44 is provided inside the housing 40, and the partition 44 rises from the bottom plate 41 (extends toward the X2 direction in the illustrated example).

As shown in fig. 3 and 4, a terminal portion 60 is provided in the housing 40. Specifically, the housing 40 is provided with a connector having a terminal portion 60, and an external connector (not shown) is inserted in the X direction so as to be connected to an external power supply.

As shown in fig. 3 and 4, the driving unit 50 includes: a motor 51 electrically connected to the terminal unit 60 (in the illustrated example, the terminals of the motor 51 are electrically connected to the terminal unit 60 via a circuit board 80, and a unipolar driving method or a bipolar driving method may be employed); and a gear transmission mechanism constituting the movement mechanism 52.

As shown in fig. 3 and 4, a circuit board 80 is provided in the case 40, and the circuit board 80 abuts on the partition plate 44. Specifically, the circuit board 80 electrically connects the terminals of the motor 51 and the terminals of the terminal portion 60, and is supported by the top of the partition plate 44 and the terminal portion 60 so as to be parallel to the bottom plate portion 41.

As shown in fig. 4, a case-side connector 92 is provided on the circuit board 80, and the case-side connector 92 is provided in a space surrounded by the case 40 and the first side plate 121 constituting the cover.

(main effect of the present embodiment)

According to the damper device 1 of the present embodiment, since the first and second conductive wires 71 and 72 are provided, one ends of the first and second conductive wires 71 and 72 are electrically connected to the heater 30, the other ends of the first and second conductive wires 71 and 72 are provided with the wire-side connector 91, the housing 40 is provided with the housing-side connector 92, and the housing-side connector 92 is fitted to the wire-side connector 91 to electrically connect the heater 30 to the terminal portion 60, even if one ends of the first and second conductive wires 71 and 72 are connected to the heater 30 provided on the baffle 20 and the frame 10 provided with the heater 30 is assembled to the housing 40 at the time of assembly work, the electrical connection between the heater 30 and the terminal portion 60 can be easily achieved by fitting the housing-side connector 92 to the wire-side connector 92 provided at the other ends of the first and second conductive wires 71 and 72 without lengthening the first and second conductive wires 71, therefore, the assembly work is facilitated while avoiding the influence of the lead wire connected to the heater on the operation of the damper device.

The present invention has been described above by way of example with reference to the accompanying drawings, and it is to be understood that the specific implementations of the present invention are not limited to the above-described embodiments.

For example, in the above embodiment, the circuit board 80 is provided in the housing 40, and the housing-side connector 92 is provided on the circuit board 80, but the present invention is not limited to this, and the circuit board 80 may be omitted in some cases.

In the above embodiment, the edge of the baffle 20 away from the housing 40 is provided with the receiving portion in which the first and second lead wires 71, 72 are at least partially received, but the present invention is not limited to this, and for example, a hook or the like may be provided instead of the receiving portion.

In the above embodiment, the end portion of the first lead wire 71 connected to the first connection portion 31 and the end portion of the second lead wire 72 connected to the second connection portion 32 are provided on the surface of the composite film 23 on the side opposite to the baffle main body 21, but the present invention is not limited thereto, and the end of the first lead wire 71 connected to the first connection portion 31 and the end of the second lead wire 72 connected to the second connection portion 32 may be sandwiched between the baffle main body 21 and the composite film 23.

In the above embodiment, the through hole 1211 is provided in the first side plate 121, and the through hole 1211 is opened toward the heater 30 side, but the through hole 1211 is not limited thereto, and as shown in fig. 5, the through hole may be opened in a direction intersecting with an assembling direction (X direction in the illustrated example) of the case 40 and the frame 10.

In the above embodiment, the through hole 1211 is provided in the first side plate 121, but the present invention is not limited to this, and the through hole may be provided in the case 40.

In the above embodiment, the heater 30 is provided on the baffle 20, but the heater 30 is not limited to this, and as shown in fig. 6, the heater 30 may be provided on the periphery of the opening 111 of the frame 10.

In the configuration shown in fig. 6, a guide portion for guiding the first and second lead wires may be provided on the housing 40 (in the illustrated example, the guide portion includes a groove provided on an outer surface of the housing 40, and a part of the first and second lead wires may be inserted therein).

It should be understood that the present invention can freely combine the respective parts in the embodiments, or appropriately change or omit the respective parts in the embodiments within the scope thereof.

Claims (10)

1. A damper device comprising: a frame having an opening; a shutter for opening and closing the opening; a heater provided to the frame or the baffle; and a housing accommodating a driving portion for driving the shutter and a terminal portion electrically connected to the driving portion,

comprises a lead wire, a lead wire and a lead wire,

one end of the lead wire is electrically connected with the heater,

the other end of the lead is provided with a lead side connector,

a case-side connector is provided on the case,

the case-side connector is fitted to the lead-wire-side connector, and the heater is electrically connected to the terminal portion.

2. The damper apparatus of claim 1,

the shell is in the shape of an open box,

the frame is integrally formed with a cover plate,

the cover plate closes the opening of the housing,

the case-side connector is disposed in a space surrounded by the case and the cover plate,

a through hole is provided in the cover plate or the housing,

the through hole exposes a side of the case-side connector to which the wire-side connector is fitted.

3. The damper apparatus of claim 2,

the cover plate is provided with a through hole,

the through hole is opened in a direction intersecting an assembling direction of the housing and the frame.

4. The damper apparatus of claim 2,

the cover plate is provided with a through hole,

the through hole is open toward the heater side.

5. The damper apparatus of claim 1,

the heater is arranged on the baffle plate,

the shutter has a shutter-side engaging portion that engages with a middle portion of the wire, and/or the frame has a frame-side engaging portion that engages with a middle portion of the wire.

6. The damper apparatus of claim 5,

a guide groove is arranged on the edge of the baffle plate far away from the shell,

the wire is partially received in the guide slot,

the groove bottom of the guide groove is provided with a bulge, and the lead and the groove bottom form point contact through the bulge.

7. The damper apparatus of claim 1,

the baffle is provided with a baffle main body and a composite film attached to the baffle main body,

the heater is a resistance pattern formed on a surface of the composite film facing the baffle body,

one end of the lead is sandwiched between the baffle body and the composite membrane.

8. The damper apparatus of claim 1,

the heater is arranged on the periphery of the opening,

the shell comprises a groove, the groove is arranged on the outer surface of the shell, and a part of the wire is clamped into the groove.

9. The damper apparatus of claim 1,

a circuit board is arranged in the shell body,

the terminal portion is electrically connected to the driving portion via the circuit board,

the case-side connector is provided on the circuit board.

10. The damper apparatus of claim 1,

the shutter is provided to be rotatable between a position of opening the opening and a position of closing the opening,

the housing and the frame are adjacently arranged in the extending direction of the rotation center line of the baffle.

Images