CN210512299U - 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 provided with a driving portion for driving the shutter and a terminal portion electrically connected to the driving portion, wherein the housing includes a lead wire, one end of the lead wire is soldered to the terminal portion or to a circuit board electrically connected to the terminal portion, the other end of the lead wire is electrically connected to the heater via a connection material, and the connection material is a low-temperature solder or a conductive adhesive and is covered with a non-conductive adhesive.

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-shaped resistor pattern) may be provided on a 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 use a common terminal portion for the lead wire connected to the heater and the driving portion, that is, to weld one end of the lead wire to the terminal portion in the case and weld the other end of the lead wire to the heater.

However, in the above case, if both ends of the lead wire are previously soldered to the terminal portion and the heater in the case, respectively, in view of the reliable performance of the soldering work, it is difficult to assemble the bezel 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 provided with a driving portion for driving the shutter and a terminal portion electrically connected to the driving portion, wherein the housing includes a lead wire, one end of the lead wire is soldered to the terminal portion or to a circuit board electrically connected to the terminal portion, the other end of the lead wire is electrically connected to the heater via a connection material, and the connection material is a low-temperature solder or a conductive adhesive and is covered with a non-conductive adhesive.

According to the utility model discloses an air door device, the one end of wire welds in the terminal part or welds in the circuit board of being connected with the terminal part electricity, the other end of wire is connected with the heater electricity via connecting material, connecting material is low temperature solder or electrically conductive adhesive, therefore, when carrying out the assembly operation, weld the one end of wire in the terminal part or after welding in the circuit board of being connected with the terminal part electricity, even if the frame that is provided with the heater is assembled together with the casing earlier, or assemble the baffle that is provided with the heater in the frame earlier, also can utilize connecting material to connect wire and heater electricity easily under the condition that need not to lengthen the wire, therefore, when avoiding causing the influence to the action of air door device with the wire of heater connection, the assembly operation is carried out easily; also, the connection material is covered with the non-conductive adhesive, and thus, contributes to enhancing the stability of the electrical connection between the other end of the wire and the heater.

In the damper device of the present invention, it is preferable that the connection member is formed in a flat circular shape.

According to the utility model discloses an air door device, connecting material forms to the oblate, consequently, helps further strengthening the stability of the electricity connection between the other end of wire and the heater.

Further, in the damper device of the present invention, it is preferable that the baffle includes a baffle main body and a composite film attached to the baffle main body, the heater is formed on a surface of the composite film facing the baffle main body, the composite film is provided with a through hole, and the connecting material is connected to the baffle main body through the through hole.

According to the utility model discloses an air door device, baffle include the baffle main part and with the complex film of this baffle main part laminating, the heater is formed on the surface towards the baffle main part of complex film, is equipped with the through-hole on the complex film, and connecting material is connected wire and baffle main part via the perforating hole, consequently, helps further strengthening the stability of the other end of wire and the electricity connection between the heater.

Furthermore, in the utility model discloses an in the air door device, preferably the baffle includes baffle main part and the complex film of laminating with this baffle main part, the heater is formed at the complex film towards the surface of baffle main part be equipped with the through-hole on the complex film, the baffle main part has the court the outstanding arch of complex film, the arch is passed the through-hole, connecting material will the wire with the arch is connected.

According to the utility model discloses an air door device, baffle include the baffle main part and with the complex film of this baffle main part laminating, the heater is formed at the complex film towards the opposite surface of baffle main part, is equipped with the plug-in hole on the complex film, and the baffle main part has towards the outstanding arch of complex film, and the through-hole is passed to the arch, and connecting material is connected wire and arch, consequently, helps further strengthening the stability of the electricity connection between the other end of wire and the heater.

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 formed on a surface of the composite film facing the baffle main body, and the other end portion 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 baffle main part and with the complex film of this baffle main part laminating, the heater is formed at the surface towards the baffle main part of complex film, another tip of wire is pressed from both sides between baffle main part and complex film, consequently, can restrict the wire with the other end of heater connection 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 a surface of the baffle main body facing the composite film is provided with a recess, and the other end of the wire is accommodated in the recess.

According to the utility model discloses an air door device is provided with sunkenly towards the surface of complex film at the baffle main part, and near the other end of wire is sunken to be accomodate, consequently, can utilize near the other end of sunken suitable protection wire.

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 damper has a damper side engaging portion that engages with an intermediate portion of the wire, and/or the frame has a frame side engaging portion that engages with an intermediate 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.

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.

Further, in the damper device of the present invention, it is preferable that the driving portion includes a motor and a gear transmission mechanism that transmits power of the motor to the baffle, the housing has a housing space that accommodates the wire in a bent state near one end, and a partition plate that separates a portion of the wire accommodated in the housing space from the gear transmission mechanism is provided between the housing space and the gear transmission mechanism.

According to the utility model discloses an air door device, the casing has the accommodation space that the one end near terminal part of supplying the wire was accomodate, be provided with the baffle between accommodation space and motion, this baffle separates the part of accomodating the space of accomodating with the wire and motion, therefore, when being connected with terminal part and heater electricity respectively with the both ends of wire through the welding, even if use the wire that has certain margin for the convenience welding, can also accomodate the surplus part of wire in accommodation space after the welding operation, the wire of the heater outside terminal part of utilizing the baffle to avoid connecting in the casing and casing produces the interference with the gear drive mechanism in the casing easily, ensure the motion stability of air door device.

(effects of utility model)

According to the present invention, one end of the lead wire is welded to the terminal portion or to the circuit board electrically connected to the terminal portion, the other end of the lead wire is electrically connected to the heater via the connecting material, and the connecting material is low-temperature solder or conductive adhesive, so that, when the assembly work is performed, even if the frame provided with the heater is assembled with the housing at first, or the baffle provided with the heater is assembled with the frame at first, the lead wire can be easily electrically connected to the heater by using the connecting material without lengthening the lead wire, and therefore, the assembly work is easily performed while the influence of the lead wire connected to the heater on the operation of the shutter device is avoided; also, the connection material is covered with the non-conductive adhesive, and thus, contributes to enhancing the stability of the electrical connection between the other end of the wire and the heater.

Drawings

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

Fig. 2 is a plan view schematically showing a damper device according to an 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 partial perspective view schematically showing a structure in the vicinity of a connection portion between a lead wire and a heater of a damper device according to an embodiment of the present invention.

Fig. 5 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. 6 is a perspective view schematically showing a modification of the damper main body of the damper device according to the embodiment of the present invention.

Fig. 7 is a partial sectional view schematically showing a modification of the damper device according to the embodiment of the present invention.

Fig. 8 is a partial sectional view schematically showing a modification of the damper device according to the embodiment of the present invention.

Fig. 9 is a perspective view schematically showing a 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

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

213 first recess

214 second recess

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 connecting material

92 nonconductive adhesive

SP storage space

TH through hole

IH through hole

PB bump

GD guide part

Detailed Description

Next, an air door device according to an embodiment of the present invention will be described with reference to fig. 1 to 5, 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 plan view schematically showing 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, fig. 4 is a partial perspective view schematically showing a structure near a connection portion between a lead wire and a heater of an air door device according to an embodiment of the present invention, and fig. 5 is a perspective view schematically showing a structure near a drive portion of an air door device according to an embodiment of the present invention.

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. 3 and 5, 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 peripheral edge of the flat plate portion (erected toward the Z2 direction in the illustrated example), and has a first side plate 121 and a third side plate 123 which are opposed in parallel in the X direction, and a second side plate 122 and a fourth side plate 124 which are opposed in parallel in the Y direction, wherein the first side plate 121 constitutes a cover plate provided with a through hole through which a connecting portion between the shutter 20 and the drive portion 50 passes; 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 which 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 71 having a first folded portion 711, the second connecting portion 32 is electrically connected to the terminal portion 60 via a second lead 72 having a second folded portion 721, the first folded portion 711 and the second folded portion 721 are each extended in the direction away from the housing 40 and then folded back toward the side where the housing 40 is located, and the total amount of bending of the second folded portion 721 is smaller than the total amount of bending of the first folded portion 711.

As shown in fig. 1 to 4, one ends of the first and second conductive wires 71 and 72 are soldered to the circuit board 80 electrically connected to the terminal portion 60, and the other ends of the first and second conductive wires 71 and 72 are electrically connected to the heater 30 via a connecting material 91, wherein the connecting material 91 is a low-temperature solder or a conductive adhesive and is covered with a non-conductive adhesive 92.

As shown in fig. 4, the connecting member 91 is formed in a flat circular shape.

As shown in fig. 1 to 4, 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. 2 and 3, 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 5, 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 side in the illustrated example), and encloses a storage space SP with the bottom plate 41 and the side plate 42.

As shown in fig. 3 and 5, 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 5, 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 5, 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 is supported on the top of the spacer 44 and the terminal portion 60 so as to be parallel to the bottom plate portion 41.

As shown in fig. 5, both ends of the first and second conductive wires 71 and 72 are soldered to the heater 30 and the circuit board 80, respectively; one end side portions of the first and second conductive wires 71 and 72 close to the terminal portion 60 are housed in the housing space SP in a bent state; a partition 44 is provided between the housing space SP and the movement mechanism 52, and the partition 44 partitions the portions of the first and second lead wires 71 and 72 housed in the housing space SP from the movement mechanism 52.

(main effect of the present embodiment)

According to the damper device 1 of the present embodiment, since the first lead wire 71 and the second lead wire 72 are soldered at one end to the circuit board 80 electrically connected to the terminal portion 60, the first lead wire 71 and the second lead wire 72 are electrically connected at the other end to the heater 30 via the connecting material 91, and the connecting material 91 is low-temperature solder or a conductive adhesive, even if the baffle plate 20 provided with the heater 60 is first assembled to the frame 10 after one ends of the first lead wire 71 and the second lead wire 72 are soldered to the circuit board 80 electrically connected to the terminal portion 60 in the assembly work, the first lead wire 71 and the second lead wire 72 can be easily electrically connected to the heater 30 by the connecting material 91 without lengthening the first lead wire 71 and the second lead wire 72, and therefore, while avoiding the first lead wire 71 and the second lead wire 72 connected to the heater 30 from affecting the operation of the damper device, the assembly operation is easy to carry out; also, the connection material 91 is covered with the non-conductive adhesive 92, and thus, contributes to enhancing the stability of the electrical connection between the other ends of the first and second conductive wires 71 and 72 and the heater 30.

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 driving portion 50, the first conductive line 71, and the second conductive line 72 are electrically connected to the terminal portion 60 via the circuit board 80, but the present invention is not limited to this, and the circuit board 80 may be omitted, and the driving portion 50, the first conductive line 71, and the second conductive line 72 may be directly electrically connected to the terminal portion 60.

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 to this, and 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 may be sandwiched between the baffle main body 21 and the composite film 23. In this case, as shown in fig. 6, the composite membrane may also have the following structure: a first recess 213 and a second recess 214 are provided on the surface of the shutter main body 21, the first recess 213 accommodates the first lead 71 near the end welded to the first connection portion 31, and the second recess 214 accommodates the second lead 72 near the end welded to the second connection portion 32.

In the above embodiment, as shown in fig. 7, the following configuration may be adopted: the heater 30 is formed on the surface of the composite film 23 facing the baffle main body 21, the composite film 23 is provided with through holes TH, and the connection member 91 connects the first and second lead wires 71, 72 to the baffle main body 21 through the through holes TH.

In the above embodiment, as shown in fig. 8, the following configuration may be adopted: the heater 30 is formed on a surface of the composite film 23 facing the baffle main body 21, an insertion hole IH is provided on the composite film 23, the baffle main body 21 has a protrusion PB protruding toward the composite film 23, the protrusion PB passes through the insertion hole IH, and the connection material 91 connects the first and second conductive lines 71 and 72 with the protrusion PB.

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. 9, the heater 30 may be provided on the periphery of the opening 111 of the frame 10.

In the configuration shown in fig. 9, a guide portion GD for guiding the lead wire may be provided on the housing 40 (in the illustrated example, the guide portion GD includes a groove which is provided on an outer surface of the housing 40 and into which a part of the lead wire is inserted).

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 is welded on the terminal part or a circuit board electrically connected with the terminal part,

the other end of the wire is electrically connected to the heater via a connecting material,

the connecting material is a low temperature solder or a conductive adhesive, and is covered by a non-conductive adhesive.

2. The damper apparatus of claim 1,

the connecting material is formed in a flattened circular shape.

3. The damper apparatus of claim 1,

the baffle comprises a baffle main body and a composite film attached to the baffle main body,

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

the composite film is provided with a through hole,

the connecting material connects the lead wire to the shutter main body via the through hole.

4. The damper apparatus of claim 1,

the baffle comprises a baffle main body and a composite film attached to the baffle main body,

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

the composite film is provided with an insertion hole,

the baffle body has a protrusion protruding toward the composite membrane,

the protrusion passes through the insertion hole,

the connecting material connects the wire with the bump.

5. 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 formed on a surface of the composite film facing the baffle body,

the other end of the wire is sandwiched between the baffle main body and the composite membrane.

6. The damper apparatus of claim 5,

a recess is provided on a surface of the baffle body facing the composite membrane,

the vicinity of the other end of the wire is received by the recess.

7. The damper apparatus of claim 1,

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.

8. The damper apparatus of claim 1,

the baffle has a baffle side locking part for locking the middle part of the lead,

and/or the presence of a gas in the gas,

the frame has a frame side engaging portion that engages an intermediate portion of the lead.

9. 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.

10. The damper apparatus of claim 1,

the driving part comprises a motor and a gear transmission mechanism for transmitting the power of the motor to the baffle plate,

the housing has a housing space for housing the vicinity of one end of the lead in a bent state,

a partition plate is provided between the housing space and the gear transmission mechanism, and separates a portion of the lead housed in the housing space from the gear transmission mechanism.

Images