Rotating device

Abstract

The rotating device (1) comprises: a housing (2); a motor (3); gears (5, 6) for transmitting the rotation of the motor to the outside; a sensor (7); a connection terminal (40) for electrically connecting to the outside; and a wiring substrate (8). The wiring substrate electrically connects the motor, the sensor, and the connection terminal. The wiring substrate is formed of a flexible diaphragm. The rotation speed or rotation angle of the gear can be detected by the sensor. An electronic component (300) for controlling the motor is attached to the wiring substrate. A portion of the wiring substrate has a folded portion (8d0) or a curved portion that surrounds at least a portion of the electronic component.

Description

Technical Field

[0001] The invention relates to a rotating device. Background Art

[0002] Conventionally, there is a rotary device (motor actuator) equipped with electronic components such as a motor, an output gear, a sensor for detecting the rotational position (rotational angle) of the output gear, and a Local Interconnect Network (LIN) integrated circuit (IC) for controlling the motor. This device is capable of driving multiple switching doors (louvers) located in the air ducts of vehicle air conditioning systems such as DC-HVAC (Heating Ventilation and Air Conditioning).

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Laid-Open No. 2002-058209

[0006] Patent Document 2: Japanese Patent Application Laid-Open No. 2015-220969

[0007] Patent Document 3: Japanese Patent Application Laid-Open No. 2015-231256 Summary of the Invention

[0008] Problems to be solved by the invention

[0009] In the aforementioned technologies, electronic components such as ICs require protection against electromagnetic noise generated by motors and other components located around them (electromagnetic compatibility (EMC) measures). Known EMC measures for rotating devices include mounting electronic components such as ICs on a multilayered printed circuit board (PCB) with electrical conduction.

[0010] However, in the case of using a multi-layer PCB with a conductive shape, the manufacturing cost may sometimes become expensive.

[0011] An object of one aspect of the present invention is to provide a rotating device capable of implementing EMC measures at low cost.

[0012] Solutions for solving problems

[0013] In one embodiment, a rotating device includes: a housing; a motor; a gear for transmitting the motor's rotation to the outside; a sensor; a connection terminal for electrical connection to the outside; and a wiring substrate. The wiring substrate electrically connects the motor, the sensor, and the connection terminal. The wiring substrate is formed from a flexible diaphragm. The sensor can detect the rotational speed or rotational angle of the gear. The wiring substrate is mounted with electronic components that control the motor. The wiring substrate has a partially bent or curved portion that surrounds at least a portion of the electronic components.

[0014] According to one approach, EMC measures can be implemented at low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a perspective view of the rotating device in the first embodiment.

[0016] Figure 2 This is a perspective view of the rotating device in the first embodiment with the first housing removed.

[0017] Figure 3 It is an exploded perspective view of the rotating device in the first embodiment.

[0018] Figure 4 This is an enlarged perspective view of the wiring substrate in the first embodiment.

[0019] Figure 5 It is a top view of the rotating device in the first embodiment.

[0020] Figure 6A yes Figure 5 Cross-sectional view at line A-A.

[0021] Figure 6B yes Figure 5 Cross-sectional view at line BB.

[0022] Figure 7 This is a perspective view of the rotating device in the second embodiment with the first housing removed.

[0023] Figure 8A It is an enlarged perspective view of a wiring substrate in the second embodiment.

[0024] Figure 8B It is an enlarged perspective view of a wiring substrate in the second embodiment.

[0025] Figure 9 It is an exploded perspective view of the rotating device in the second embodiment.

[0026] Figure 10 It is a plan view of the rotating device in the third embodiment with the first housing removed.

[0027] Figure 11 It is an exploded perspective view of the rotating device in the third embodiment.

[0028] Figure 12 It is an enlarged perspective view of a wiring substrate in a first modification.

[0029] Figure 13 It is an enlarged perspective view of a wiring substrate in a second modification.

[0030] Figure 14 It is an explanatory diagram showing a connector portion of a rotating device according to a third modified example.

[0031] Figure 15 This is a perspective view of a connection terminal provided on a connector portion of a rotating device according to a third modified example.

[0032] Figure 16 Yes Figure 15 A cross-sectional view illustrating the positional relationship between the connecting terminals and the sensor housing.

[0033] Figure 17 It is a schematic explanatory diagram showing an air conditioning system including a rotating device according to an embodiment. DETAILED DESCRIPTION

[0034] The following describes the rotary device disclosed in this application with reference to the accompanying drawings. It should be noted that the dimensional relationships and proportions of the components in the drawings may differ from the actual dimensions. The drawings may also include parts with different dimensional relationships and proportions.

[0035] [First embodiment]

[0036] Figure 1 is a perspective view of the rotating device in the first embodiment, Figure 2 This is a perspective view of the rotating device in the first embodiment with the first housing removed. Figure 3 is an exploded perspective view of the rotating device in the first embodiment, Figure 4 is an enlarged perspective view of the wiring substrate in the first embodiment, Figure 5 : is a top view of the rotating device in the first embodiment. Figure 6A yes Figure 5 The cross-sectional view at line A-A, Figure 6B yes Figure 5 In addition, Figure 17 It is a schematic explanatory diagram showing an air conditioning system including a rotating device according to an embodiment.

[0037] The rotating device 1 of the embodiment is used, for example, Figure 17The illustrated vehicle air conditioning system 100 can control the rotation of louvers 104 for controlling air volume, etc. The vehicle air conditioning system 100 includes a blower 101; an evaporator 102 for cooling the air blown from the blower 101; and a heater 103 located downstream of the evaporator 102. Louvers 104 are located between the evaporator 102 and the heater 103. Louvers 104 control the amount of air flowing from the evaporator 102 to the heater 103. A drive shaft 104a of the louvers 104 is rotated by a rotating device 1.

[0038] like Figure 1 As shown, the rotating device 1 includes a housing 2 that houses functional components. Specifically, the functional components include a motor 3, a plurality of transmission gears 6 and an output gear 5, and a sensor 7, which will be described later.

[0039] The housing 2 is provided by connecting a first housing 21 having an opening and a second housing 22 having an opening so that the openings are butted against each other. The first housing 21 has a first face portion 210 constituting the top face portion of the housing 2, a first side wall portion 211 provided on the outer periphery of the first face portion 210, and an opening 214 surrounded by the first side wall portion 211 (see FIG. Figure 3 The second housing 22 has a second surface portion 220 constituting the bottom of the housing 2 (see Figure 6A 、 Figure 6B ) and the second side wall portion 222 and the opening portion 226 provided on the outer periphery of the second surface portion 220 (see Figure 3 、 Figure 6A It should be noted that the housing 2 is formed of a resin material such as polypropylene, polyethylene terephthalate, or ABS.

[0040] In the first housing 21, a plurality of engaging portions 212 are integrally formed with the outer periphery of the first side wall portion 211 in a manner extending toward the second housing 22, and holes (hereinafter referred to as engaging holes) are provided in the engaging portions 212. Figure 2 and Figure 3 As shown, the second housing 22 has a plurality of protrusions (hereinafter referred to as engaging protrusions 224 ) integrally formed with the second side wall 222 , corresponding to the plurality of engaging portions 212 of the first housing 21 . The engaging protrusions 224 engage with the engaging holes of the engaging portions 212 .

[0041] That is, the first shell 21 and the second shell 22 are combined by engaging the engaging protrusion 224 of the second shell 22 with the engaging hole of the engaging portion 212 of the first shell 21, so that the first shell 21 and the second shell 22 are integrated to form a container having Figure 2 and Figure 3The housing 2 of the functional parts of the various components shown (see Figure 1 ).

[0042] It should be noted that, although the engaging portion 212 is provided on the first housing 21 and the engaging protrusion 224 is provided on the second housing 22 in this embodiment, the engaging portion 212 may be provided on the second housing 22 and the engaging protrusion 224 may be provided on the first housing 21 .

[0043] In addition, if Figure 3 、 Figure 6A as well as Figure 6B As shown, the first housing 21 and the second housing 22 are respectively formed with corresponding protrusions 213 and 223. In this embodiment, the protrusions 213 and 223 protrude in the direction of the rotation axis of the motor 3 or the first connection terminal 74 or the second connection terminal 40 of the sensor 7 described later. These protrusions 213 and 223 are joined to form the connector part 200 ( Figure 1 The connector portion 200 has an opening 226 that constitutes an insertion port for inserting an external connection terminal.

[0044] like Figure 3 As shown, the connector portion 200 is formed with a concave holding portion 201, which is aligned with a first connection terminal 74 ( Figure 6A ) are maintained by a plurality of second connection terminals 40 electrically connected. Figure 3 As shown in FIG. 1 , a piece 40a protruding upward is formed at one end of the second connection terminal 40. The piece 40a is paired with the top end of the first connection terminal 74 of the sensor 7 described later. Figure 3 For convenience, the figure shows a state where one of the second connection terminals 40 is removed from the plurality of holding portions 201. However, a plurality (3 to 5) of second connection terminals may be provided as needed. The connector portion 200 houses a connector for an external device.

[0045] In addition, if Figure 1 As shown, four mounting portions 23 , 24 , 25 , and 26 are provided on the outer periphery of the first housing 21 for mounting the rotating device 1 at a predetermined position when the rotating device 1 is embedded in, for example, an air conditioning system.

[0046] like Figure 2 and Figure 3As shown, the rotating device 1 includes various components constituting functional units housed in a housing 2, including a motor 3, an output gear 5 that outputs the rotation of a rotating shaft 31 of the motor 3 to an external machine, a plurality of transmission gears 6 that transmit the rotation of the motor 3 to the output gear 5, and a sensor 7 that detects the rotation angle of the output gear 5. The sensor 7 includes a sensor unit 70 and a housing (hereinafter referred to as a sensor housing 72) that houses the sensor unit 70. The rotating device 1 is capable of controlling the rotation of the motor 3 based on the rotation angle of the output gear 5 detected by the sensor unit 70.

[0047] The plurality of transmission gears 6 include a first transmission gear 61 and a second transmission gear 62 that are collectively arranged in multiple stages. The rotation of the rotation shaft 31 of the motor 3 is transmitted to the output shaft 51 of the output gear 5 through meshing of the plurality of gears.

[0048] In addition, if Figures 2 to 4 As shown, the rotating device 1 of this embodiment includes a flexible wiring substrate 8 as a substrate for electrically connecting the second connection terminals 40 to the motor 3 and the sensor 7. Input and output signals driving the motor 3 and a signal from the sensor 7 indicating the rotation angle of the output gear 5 can be externally acquired via the wiring substrate 8 and the second connection terminals 40. It should be noted that the term "electrical connection" herein encompasses both direct connection between two components and connection via another component. The term "substrate" is included in the concept of a connecting member, described later.

[0049] The wiring substrate 8 is, for example, a printed circuit board (PCB) formed of a flexible film. Figure 4 As shown, the wiring substrate 8 generally has three planar portions 8a, 8b, and 8c. Specifically, the wiring substrate 8 includes: a first planar portion 8a on one end side, which is connected to the first connection terminal 74 and the second connection terminal 40; a second planar portion 8b on the other end side, which is connected to the terminal 33 of the motor 3; and a third planar portion 8c, which connects the first planar portion 8a and the second planar portion 8b. In this embodiment, the first planar portion 8a and the third planar portion 8c are set to be approximately the same width. In addition, the first planar portion 8a, the second planar portion 8b, and the third planar portion 8c are examples of the first part, the second part, and the third part, respectively.

[0050] The first flat surface 8a is provided with a hole for engaging with one end portion of the first connection terminal 74 (hereinafter referred to as the end portion on the bent portion side) and a hole for engaging with the tab 40a of the second connection terminal 40. By engaging the end portion on the bent portion side of the first connection terminal 74 and the tab 40a of the second connection terminal 40 with these holes and welding them together, a reliable electrical connection can be achieved. Therefore, poor contact can be prevented.

[0051] The flexible wiring substrate 8 has the following structure: an adhesive layer is formed on a film (resin substrate) having a thickness of, for example, approximately 12 μm to 50 μm, and a conductor having a thickness of, for example, approximately 12 μm to 50 μm is printed or adhered onto the adhesive layer. The film is formed from an insulating resin material such as polyimide or polyester. Furthermore, the conductor is formed from a metal material such as copper. It should be noted that the adhesive layer is formed from an epoxy resin or acrylic resin. This wiring substrate 8 is a flexible substrate that can return to its pre-bend shape even when bent at an angle of 90 degrees or more.

[0052] In this way, the first connecting terminal 74 and the second connecting terminal 40 are connected by the flexible wiring substrate 8. Therefore, even if the first connecting terminal 74 and the second connecting terminal 40 vibrate due to the vibration of a vehicle such as a car, before a strong stress is applied to the connection part that has been electrically connected by welding, etc., the flexible wiring substrate 8 will undergo a shape change (or absorb the vibration) so that the amplitude of the vibration is attenuated, and the application of strong stress to the connection part can be avoided, thereby avoiding cracks and damage to the connection part.

[0053] In addition, if Figure 4 As shown, an integrated circuit (IC) 300 , which is an electronic component for controlling the motor 3 , is mounted on the third flat surface portion 8 c of the flexible wiring substrate 8 .

[0054] like Figures 2 to 4 As shown, IC 300 is attached to the area of ​​wiring substrate 8 between the electrically connected first and second connection terminals 74, 40 and motor 3. In other words, IC 300 is attached to the portion of wiring substrate 8 between the first and second connection terminals 74, 40 and motor 3. Specifically, IC 300 is attached to the surface of third planar portion 8c, which is formed substantially uniformly and continuously with first planar portion 8a and has a sufficient width.

[0055] Thus, by using the wiring substrate 8 formed of a film, the flexibility in arranging the IC 300 is increased. Due to the increased flexibility, the IC 300 can be arranged using the dead space, and the vacant space can be effectively utilized to reduce the size or thickness of the rotating device 1.

[0056] Furthermore, IC 300 is in contact with motor 3 via wiring board 8. Furthermore, in this embodiment, third flat portion 8c, which is a portion of wiring board 8, is fixed to the housing of motor 3. Here, third flat portion 8c of wiring board 8 is fixed to the housing of motor 3 using double-sided tape or the like.

[0057] Thus, in the past, in order to prevent electronic components from being damaged by vibrations from the outside, the electronic components would be attached to a wiring substrate made of, for example, hard glass epoxy resin, and it was also necessary to ensure an area within the housing for fixing the wiring substrate made of glass epoxy resin to firmly fix the wiring substrate to the housing.

[0058] However, this would increase the size of the rotating device. Therefore, in the rotating device 1 of this embodiment, the wiring substrate 8 is formed of a flexible film, so that the wiring substrate 8 can be easily fixed to the housing of the motor 3 even with double-sided tape or the like.

[0059] As described above, in the rotating device 1 of this embodiment, the degree of freedom in arranging electronic components such as the IC 300 that controls the operation of the motor 3 is increased, thereby saving space in the housing 2 and achieving miniaturization or thickness reduction.

[0060] In addition, if Figures 2 to 4 As shown, the wiring substrate 8 further includes a shield (hereinafter referred to as shield member 8d) that covers the IC 300. In this embodiment, the shield member 8d is formed, for example, to be continuous with the third planar portion 8c. That is, the wiring substrate 8, including the first planar portion 8a, the second planar portion 8b, the third planar portion 8c, and the shield member 8d, is formed entirely from, for example, a single flexible membrane. The shield member 8d extends from a side of the wiring substrate 8, for example, the first planar portion 8a, in a direction intersecting the direction in which the third planar portion 8c extends.

[0061] Shield member 8d is bent at folded portion 8d0 to cover IC 300 attached to third flat portion 8c. Shield member 8d is secured to IC 300 using, for example, an adhesive or tape. It should be noted that shield member 8d may also be bent to cover IC 300, rather than having folded portion 8d0.

[0062] like Figures 2 to 4 As shown in FIG, a plurality of conductor lines 8e are formed on the surface of the shield member 8d. In addition, the conductor lines may be simply referred to as "lines" below.

[0063] The wires 8e are, for example, a metal film formed of a conductive metal such as copper. The wires 8e are arranged in parallel on the surface of the shield member 8d (the surface opposite to the surface in contact with the IC 300). While this embodiment shows an example in which the wires 8e are arranged along the direction in which the shield member 8d extends, this is not limiting. As will be described later, the wires 8e may also be arranged in a different direction.

[0064] For example, when the magnetic field around shield member 8d covering IC 300 changes, electromagnetic induction causes an induced current to flow through wire 8e. Consequently, electromagnetic noise generated around shield member 8d is canceled out, and IC 300, covered by shield member 8d, is electromagnetically shielded. Note that wire 8e can also be formed on the back side of shield member 8d (the side in contact with IC 300), as long as it is structured to shield the surrounding electromagnetic noise.

[0065] Hereinafter, each element constituting the functional unit will be described in more detail.

[0066] (Motor 3)

[0067] The motor 3 is a driving device for rotating the output gear 5. In this embodiment, the motor 3 uses a DC motor. Figure 3 As shown, the motor 3 includes: a main body 30 having a housing (frame) with a quadrangular prism-shaped outer shape having curved corners; a rotating shaft 31; and a pair of terminals 33, 33. In the rotation axis direction of the rotating shaft 31, the main body 30 has two side surfaces constituting a top surface and a bottom surface. A portion of the rotating shaft 31 (including the end portion) is led out from one side surface (top surface) of the main body 30. A pair of terminals 33, 33 are provided on the other side surface (bottom surface) of the main body 30 in the rotation axis direction of the rotating shaft 31. It should be noted that the portion of the rotating shaft 31 on one side is fixed to a rotor (not shown) housed in the main body 30 of the motor 3, and the worm 4 is attached to the portion of the rotating shaft 31 on the other end side protruding from the main body 30.

[0068] (Transmission gear 6)

[0069] The transmission gear 6 is a gear for transmitting the rotation of the rotating shaft 31 of the motor 3 to the output gear 5 at a predetermined reduction ratio (gear ratio). In this embodiment, as described above, it includes a first transmission gear 61 and a second transmission gear 62 that are configured together in multiple stages. It should be noted that the transmission gear 6 may also be provided within the worm 4 attached to the rotating shaft 31 of the motor 3.

[0070] Specifically, if Figure 3 As shown, the transmission gear 6 includes a first transmission gear 61 having a first large diameter portion 611 and a first small diameter portion 612; and a second transmission gear 62 having a second small diameter portion 621 and a second large diameter portion 622. The diameter of the first large diameter portion 611 is larger than the diameter of the first small diameter portion 612. The relationship between the second large diameter portion 622 and the second small diameter portion 621 is also the same.

[0071] The first large-diameter portion 611 of the first transmission gear 61 meshes with the worm 4 attached to the rotating shaft 31 of the motor 3. Furthermore, the first small-diameter portion 612 of the first transmission gear 61 meshes with the second large-diameter portion 622 of the second transmission gear 62, and the second small-diameter portion 621 of the second transmission gear 62 meshes with the output gear 5. In this manner, through the meshing of multiple gears, the rotation of the rotating shaft 31 of the motor 3 is transmitted to the output shaft 51 of the output gear 5 at a predetermined reduction ratio.

[0072] It should be noted that, in this embodiment, two first transmission gears 61 and second transmission gears 62 in a multi-stage configuration are used to transmit the rotation of the rotating shaft 31 of the motor 3 to the output gear 5 while adjusting the transmission ratio in a smaller space. However, a design in which, for example, the second transmission gear 62 is omitted and the output gear 5 is meshed with the first small-diameter portion 612 of the first transmission gear 61, or a design in which both the first transmission gear 61 and the second transmission gear 62 are omitted and the output gear 5 is directly meshed with the worm 4 can be adopted.

[0073] (Output gear 5)

[0074] The output gear 5 has a recessed portion 50 in the direction of the rotation axis of the output gear 5 (the direction in which the output shaft 51 constituting the rotation axis extends). Figure 3 As shown, the output gear 5 includes a gear body 5a having an outer peripheral surface with a tooth row 52 formed thereon and a recess 50. The gear body 5a has a cylindrical shape. Part of the sensor 7 is accommodated in the recess 50 formed inside the gear body 5a.

[0075] Specifically, if Figure 6A and Figure 6B As shown, a recessed portion 50 is provided in the gear body 5a, extending in the direction of the output shaft 51 passing through the center of the gear body 5a. The recessed portion 50 comprises a bottom formed by the side surfaces of the gear body 5a, an inner wall surface, and an opening surrounded by the inner wall surface. Furthermore, a portion of the sensor housing 72 housing the sensor unit 70 is housed in the upper portion of the recessed portion 50, that is, in the portion of the recessed portion 50 facing the first surface portion 210 of the first housing 21.

[0076] Furthermore, as described above, the second transmission gear 62 is configured as a multi-stage gear having a second large diameter portion 622 to which the rotation from the motor 3 is transmitted and a second small diameter portion 621 extending from the second large diameter portion 622 and transmitting the rotation to the output gear 5. In the direction of the rotation axis of the output gear 5, the second large diameter portion 622 of the second transmission gear 62 is configured to partially overlap with the output gear 5 (see FIG. Figure 2 Therefore, the sensor housing 72 is disposed between the second large diameter portion 622 of the second transmission gear 62 and the output gear 5 .

[0077] It should be noted that, when describing the upper and lower positional relationship here, the state in which the first housing 21 of the rotating device 1 is relatively located on the upper side and the second housing 22 is relatively located on the lower side is used as a reference.

[0078] The upper end portion (one end portion) of the output shaft 51 has a D-shaped cross section, which is formed to be able to mate with the rotating plate 71 (see FIG. Figure 16 The lower half of the output gear 5 is formed to have a larger diameter than the upper half of the output gear 5, and an engaging portion 54 is formed on the inner circumference of the lower half to engage with an external shaft such as the drive shaft 104a of the louver 104 of the air conditioning system 100 (see FIG. Figure 6A Therefore, by rotating the output gear 5, the rotation of the louver 104 can be controlled, and the air volume of the air conditioning system 100 can be adjusted (see Figure 17 ).

[0079] Furthermore, as described above, the output gear 5 is connected to the drive shaft 104a of the louver 104 of the air conditioning system 100 mounted on a vehicle or the like. Specifically, the output gear 5 is a gear for outputting the rotational force of the rotating shaft 31 of the motor 3 as the driving force for controlling the drive shaft 104a of the louver 104. However, this embodiment is not necessarily limited to directly connecting the drive shaft 104a of the louver 104, such as the rotating shaft, to the output gear 5. For example, a gear as another component may be interposed between the rotating device 1 and the rotating shaft. In this case, the rotating shaft of the intervening gear can be connected to the output gear 5.

[0080] (Sensor 7)

[0081] As described above, for example, the air conditioning system 100 (see Figure 17 ) etc. are provided with louvers 104. In order to drive the louvers 104 to a predetermined state, the rotation angle of the output gear 5 can be detected using the sensor 7.

[0082] In order to reduce the thickness of the rotating device 1, the sensor 7 of this embodiment has a brush 75 with a thickness in the height direction (see Figure 6B ) is housed in the sensor housing 72. Although this goes against the thinning of the sensor 7, it achieves the thinning of the rotating device 1.

[0083] In this embodiment, if Figure 3 As shown, the second flat portion 8b of the wiring substrate 8 connected to the terminal 33 of the motor 3 is also provided with a hole portion that engages with the terminal 33. By engaging the hole portion with the terminal 33 of the motor 3 and performing welding, a reliable electrical connection can be achieved.

[0084] Furthermore, in this embodiment, the conductor line 8e is provided on the shield member 8d of the wiring substrate 8 covering the IC 300. Therefore, EMC measures can be implemented at a low cost compared to the case of using a multi-layer PCB with a conductive shape.

[0085] As previously described, the rotating device 1 of this embodiment includes a housing 2 that houses the motor 3, the transmission gear 6, the output gear 5, the sensor 7, the first and second connection terminals 74 and 40, and the wiring board 8. Furthermore, the IC 300 is positioned within the housing 2 at a position lower than the overall height of the motor 3 in the direction of the rotation axis of the output gear 5. Specifically, the third flat surface 8c is positioned along a corner of the motor 3 housing in an inclined manner, thereby positioning the IC 300 at a position lower than the overall height of the motor 3. The corner of the motor 3 where the third flat surface 8c is positioned is curved upward (toward the first housing 21).

[0086] Here, the overall height of the motor 3 in the direction of the rotation axis of the output gear 5 refers to the height of the part of the motor 3 located at the highest position (for example, the part of the side surface located at the highest position in the side surface of the housing (frame) facing the first surface 210 as the top surface of the first housing 21) with the second surface 220 of the housing 2 that contacts the motor 3, that is, the bottom of the second housing 22 as a reference (refer to Figure 1 and Figure 3 ).

[0087] According to the first embodiment described above, the rotating device 1 shown below is realized.

[0088] (1) A rotating device 1 comprises: a motor 3; gears (output gear 5, transmission gear 6) for transmitting the rotation of the motor 3 to the outside; and a sensor 7, wherein the sensor 7 comprises: a sensor portion 70; and a sensor housing 72 for accommodating the sensor portion 70. The rotation angle of the gear can be detected by the sensor 7, and the gear comprises a recess 50 in the direction of the gear's rotation axis, and a portion of the sensor housing 72 is accommodated in the recess 50.

[0089] According to the rotating device 1 , a portion of the sensor housing 72 is housed in the gear, and thus the rotating device 1 can be made thinner.

[0090] (2) In the above (1), the sensor portion 70 has a first connection terminal 74, which has: one end portion electrically connected to the sensor substrate 73; and the other end portion electrically connected to the outside, and the other end portion of the first connection terminal 74 extends in a direction away from the bottom of the recess 50 of the gear (output gear 5 or transmission gear 6).

[0091] Therefore, for example, the first connection terminal 74 and the outside can be easily electrically connected using a connection member.

[0092] (3) In the above (2), the second connection terminal 40 electrically connected to the first connection terminal 74 is provided in the housing 2 , and the other end of the first connection terminal 74 and one end of the second connection terminal 40 are electrically connected via the wiring board 8 .

[0093] Therefore, by attaching the wiring board 8 to the pre-arranged first and second connection terminals 74 and 40 from above, the ends of the first and second connection terminals 74 and 40 can be easily electrically connected to each other, thereby improving the assemblability of the rotating device 1 .

[0094] (4) In the above (3), the wiring substrate 8 is formed of a flexible film.

[0095] Therefore, even if vibration is applied, the vibration can be absorbed by the soft wiring substrate 8. Even if the first connecting terminal 74 and the second connecting terminal 40 are electrically connected by welding, strong stress can be avoided from being applied to the connecting portion between the first connecting terminal 74 and the second connecting terminal 40, and cracks, breakage and disconnection of the connecting portion can be avoided.

[0096] (5) In any one of the above (1) to (4), the gear formed with the recess 50 is the output gear 5, and the rotating device 1 has a transmission gear 6 that transmits the rotation of the motor 3 to the output gear 5. The transmission gear 6 is a multi-stage gear having a large diameter portion (for example, the second large diameter portion 622) to which the rotation from the motor 3 is transmitted and a small diameter portion (for example, the second small diameter portion 621) extending from the second large diameter portion 622 and transmitting the rotation to the output gear 5. In the direction of the rotation axis of the gear, the second large diameter portion 622 is configured to partially overlap with the output gear 5, and a sensor housing 72 is configured between the second large diameter portion 622 and the output gear 5.

[0097] Therefore, the rotation transmitted from the motor 3 can be decelerated at an appropriate reduction ratio, and the rotating device 1 can be made thinner and smaller.

[0098] (6) The rotating device 1 comprises: a motor 3; gears (a transmission gear 6 and an output gear 5) for transmitting the rotation of the motor 3 to the outside; a sensor 7; connection terminals (a first connection terminal 74 and a second connection terminal 40) for electrically connecting to the outside; and a wiring substrate 8 for electrically connecting the motor 3, the sensor 7 and the connection terminals (the first connection terminal 74 and the second connection terminal 40). The rotation angle of the output gear 5 can be detected by the sensor 7. An IC 300 serving as an electronic component for controlling the motor 3 is mounted on the wiring substrate 8. The wiring substrate 8 is formed of a flexible diaphragm.

[0099] Therefore, the degree of freedom in arranging electronic components such as the IC 300 increases, and thus space saving in the housing 2 can be achieved while also achieving miniaturization or thickness reduction.

[0100] (7) In the above (6), the IC 300 as the electronic component is attached to the area between the connection terminals (the first connection terminals 74 and the second connection terminals 40 ) and the motor 3 in the wiring substrate 8 .

[0101] Therefore, the IC 300 can be arranged in an appropriate space in the housing 2 , and the housing 2 can be more reliably made thinner or smaller.

[0102] (8) In the above (6) or (7), the rotating device 1 has a housing 2 that accommodates the motor 3, gears (transmission gear 6, output gear 5), sensor 7, connection terminals (first connection terminal 74 and second connection terminal 40) and wiring substrate 8, and in the direction of the rotation axis of the output gear 5, IC300 is arranged at a position in the housing 2 that is lower than the overall height of the motor 3.

[0103] Therefore, the casing 2 can be more reliably made thinner or smaller.

[0104] (9) In any of the above (6) to (8), the electronic components such as the IC 300 are in contact with the motor 3 via the wiring substrate 8 .

[0105] Therefore, the degree of freedom in arrangement of electronic components such as the IC 300 can be improved, and electronic components such as the IC 300 can be arranged in the housing 2 in a stable state.

[0106] (10) In any one of the above (6) to (9), a portion of the wiring substrate 8 is fixed to the housing of the motor 3 .

[0107] In addition, the rotating device 1 includes: a motor 3; gears (a transmission gear 6 and an output gear 5) for transmitting the rotation of the motor 3 to the outside; a sensor 7; connection terminals (a first connection terminal 74 and a second connection terminal 40) for electrical connection to the outside; and a wiring substrate 8. The wiring substrate 8 electrically connects the motor 3, the sensor 7, and the connection terminals (the first connection terminal 74 and the second connection terminal 40). The wiring substrate 8 is formed of a flexible diaphragm. The rotation speed or rotation angle of the output gear 5 can be detected by the sensor 7. The electronic component 300 for controlling the motor 3 is mounted on the wiring substrate 8. Part of the wiring substrate 8 has a folded portion or a curved portion that surrounds at least a portion of the electronic component 300.

[0108] According to the rotating device 1 , the degree of freedom in arranging electronic components such as the IC 300 is increased, so that space can be saved in the housing 2 and the device can be reduced in size or thickness.

[0109] Alternatively, a plurality of conductor lines 8e may be formed partially on the wiring substrate 8, and the plurality of conductor lines 8e may be arranged in parallel, for example. This can protect the electronic component 300 from the influence of electromagnetic waves.

[0110] Alternatively, the entire wiring substrate 8 may be formed from a single flexible membrane. The wiring substrate 8 may also include a first portion 8a connected to the connection terminals (first connection terminal 74 and second connection terminal 40); a second portion 8b connected to the terminal 33 of the motor 3; and a third portion 8c connecting the first portion 8a and the second portion 8b. In this case, the third portion 8c includes a folded or curved portion that at least partially surrounds the electronic component 300. Therefore, the wiring substrate 8 can be easily secured to the housing of the motor 3 even with double-sided tape or the like.

[0111] [Second embodiment]

[0112] Next, a second embodiment of the rotating device 1 will be described with reference to the drawings. The second embodiment of the rotating device 1 has the same basic structure as the first embodiment described above, and the same components are denoted by the same reference numerals and detailed descriptions are omitted.

[0113] Figure 7 is a perspective view of the rotating device in the second embodiment with the first housing removed. Figure 8A and Figure 8B is an enlarged perspective view of a wiring substrate in the second embodiment. Figure 9 It is an exploded perspective view of the rotating device in the second embodiment.

[0114] like Figures 7 to 9 As shown, the rotating device 1 of the second embodiment differs from the rotating device 1 of the first embodiment in that a wiring board 80 is provided instead of the wiring board 8 to electrically connect the motor 3 , the sensor 7 , and the first and second connection terminals 74 and 40 .

[0115] like Figures 7 to 9 As shown, wiring substrate 80 generally includes three planar portions 80a, 80b, and 80c. These planar portions 80a, 80b, and 80c correspond to first planar portion 8a, second planar portion 8b, and third planar portion 8c of wiring substrate 8 shown in the first embodiment. In wiring substrate 80 as well, first planar portion 80a and third planar portion 80c are generally of equal width.

[0116] In addition, if Figures 7 to 9 As shown, IC 300 is mounted on the third flat surface portion 80c of the flexible wiring substrate 80. IC 300 is mounted on a portion of the wiring substrate 80 located between the first and second connection terminals 74 and 40 and the motor 3, similarly to the first embodiment.

[0117] In addition, if Figures 7 to 9As shown, wiring substrate 80 differs from wiring substrate 8 of the first embodiment in that it includes shield members 80d1 to 80d4 and a bent portion 80d0 (described later) instead of shield member 8d. It should be noted that, hereinafter, shield members 80d1 to 80d4 and bent portion 80d0 may be referred to as "shield member 80d" without distinguishing between them.

[0118] In this embodiment, shielding member 80d is also formed, for example, to be continuous with third planar portion 80c. Specifically, wiring substrate 80, including first planar portion 80a, second planar portion 80b, third planar portion 80c, and shielding member 80d, is formed entirely from, for example, a single flexible membrane. Shielding member 80d extends laterally from wiring substrate 80, for example, in a direction intersecting the direction in which first planar portion 80a extends from third planar portion 80c.

[0119] like Figure 8A and Figure 8B As shown, the shield member 80d1 covers the upper surface of the IC 300 attached to the third flat surface portion 80c by being bent at the bent portion 80d0. Figure 8A As shown, the shield member 80d2 extends from the shield member 80d1 and covers the side surface of the IC 300 by bending. Figure 8B As shown, shield members 80d3 and 80d4 also extend from shield member 80d1 and cover other sides of IC 300 by being bent.

[0120] Moreover, if Figure 8A and Figure 8B As shown in FIG. 1 , the shielding members 80d1 to 80d4 are also provided with conductor wires 80e. Figure 8A and Figure 8B As shown in FIG. 1 , the conductor line 80 e is arranged to be inclined relative to the direction in which the shield member 80 d 1 extends.

[0121] Therefore, in the rotating device 1 of the second embodiment, the IC 300 can be shielded from electromagnetic wave noise not only on the upper surface but also on all sides including the side surfaces.

[0122] [Third embodiment]

[0123] Next, a third embodiment of the rotating device 1 will be described with reference to the drawings. It should be noted that the third embodiment of the rotating device 1 has the same basic structure as the first and second embodiments described above, and the same components are given the same reference numerals and detailed descriptions are omitted.

[0124] Figure 101 is a top view of the rotating device in the third embodiment with the first housing removed. Figure 11 It is an exploded perspective view of the rotating device in the third embodiment.

[0125] like Figure 10 and Figure 11 As shown, the rotating device 1 of the third embodiment also includes: a housing 2; a motor 3; a transmission gear 6 and an output gear 5 for transmitting the rotation of the motor 3 to the outside; a sensor 7; and first and second connection terminals 74 and 40 for electrical connection to the outside. The rotating device 1 further includes a wiring substrate 800 that electrically connects the motor 3, the sensor 7, and the first and second connection terminals 74 and 40. Furthermore, the rotation angle of the output gear 5 can be detected by the sensor 7.

[0126] Furthermore, similarly to the rotating device 1 of the second embodiment, the IC 300 as an electronic component is attached to the flexible wiring substrate 800 formed of a film sheet. However, the difference lies in that the IC 300 is held by the housing 2. That is, the rotating device 1 of the third embodiment attaches the IC 300 to the wiring substrate 800 and also holds the IC 300 in the housing 2.

[0127] Specifically, if Figure 10 and Figure 11 As shown, a space (hereinafter referred to as a holding space) 225 for holding the IC 300 is formed in the second housing 22 constituting the housing 2 . A plurality of holding portions 230 for holding the IC 300 as an electronic component are provided in the holding space 225 .

[0128] Thus, IC 300 attached to wiring substrate 800 is held in housing 2, thereby preventing damage to IC 300. Furthermore, even if vibrations are applied, the flexible wiring substrate 800 absorbs the vibrations, thereby preventing the solder beads, etc., connecting the wiring to IC 300 from peeling off. Consequently, the electrical connection between IC 300 and wiring substrate 800 is maintained.

[0129] like Figure 10 As shown, the plurality of retaining portions 230 include protrusions 227 protruding from the inner wall of the housing 2 (second housing 22). The tops of the protrusions 227 are preferably rounded or made of a soft material to prevent damage to the surface of the IC 300. Alternatively, the inner wall of the housing 2 itself may be included in the retaining portions 230 if it can be used in conjunction with other components to hold the IC 300.

[0130] Furthermore, one or two or more of the plurality of holding portions 230 are parts of the housing 2 (second housing 22 ), and the IC 300 is elastically held on the housing 2 by the one or two or more holding portions.

[0131] In addition, as one of the retaining portions 230, in this embodiment, a pair of members (hereinafter referred to as clamping members) 810, 810 are provided that can clamp the IC 300 from both sides. The clamping members 810 are formed of an elastic member that is more elastic than the members forming the other retaining portions 230, such as the inner wall surface of the housing 2 and the protrusion 227. Here, the clamping members 810, 810 are formed using leaf springs.

[0132] Alternatively, three sets of protruding members 820 supporting the component mounting portion 830 may be provided as one of the holding portions 230. The protruding members 820 form a holding space together with the inner wall surface of the housing 2, the convex portion 227, and other members forming the other holding portions 230.

[0133] To position IC 300 within holding space 225, wiring substrate 800 in this embodiment includes component mounting portion 830 located on a portion of second planar portion 800b. Component mounting portion 830 extends from second planar portion 800b to the side of wiring substrate 800 and, utilizing its flexible nature, bends to fit within holding space 225 for holding IC 300. It should be noted that component mounting portion 830, similar to shielding member 8d of wiring substrate 8 in the first embodiment, covers one surface of IC 300, but the embodiment is not limited thereto. Furthermore, similar to the first and second embodiments, component mounting portion 830 is secured to IC 300 using, for example, an adhesive, tape, or the like.

[0134] It should be noted that if Figure 11 As shown, similarly to the first and second embodiments, a conductor line 800 e is formed in the component mounting portion 830 of this embodiment.

[0135] The component mounting portion 830 may cover the four surfaces of the IC 300 , for example, similarly to the shield member 80 d of the wiring substrate 80 of the second embodiment.

[0136] As described above, in the rotating device 1 of the present embodiment, the IC 300 as the electronic component is held by a plurality of holding portions, for example, by the protrusions 227 formed on the inner wall surface of the housing 2 and the holding members 810 .

[0137] Therefore, damage to the IC 300 can be suppressed, or the electrical connection between the IC 300 and the wiring substrate 800 can be maintained.

[0138] According to the third embodiment described above, the rotating device 1 shown below is realized.

[0139] (11) The rotating device comprises: a housing 2; a motor 3; gears (a transmission gear 6, an output gear 5) for transmitting the rotation of the motor 3 to the outside; a sensor 7; connection terminals (a first connection terminal 74 and a second connection terminal 40) for electrically connecting to the outside; and a wiring substrate 800 for electrically connecting the motor 3, the sensor 7, and the connection terminals (the first connection terminal 74 and the second connection terminal 40). The rotation angle of the output gear 5 can be detected by the sensor 7. An IC 300 serving as an electronic component for controlling the motor 3 is mounted on the wiring substrate 800, and the IC 300 is retained in the housing 2.

[0140] Therefore, damage to the IC 300 can be suppressed, or the electrical connection between the IC 300 and the wiring substrate 800 can be maintained.

[0141] (12) In the above (11), the wiring substrate 800 is formed of a flexible film.

[0142] Therefore, the degree of freedom in arrangement of the IC 300 is improved, and the electrical connection between the IC 300 and the wiring substrate 800 can be maintained while suppressing damage to the IC 300 .

[0143] (13) In the above (11) or (12), the IC 300 as the electronic component is electrically connected to the connection terminals (the first connection terminals 74 and the second connection terminals 40 ) via the wiring substrate 800 .

[0144] Therefore, since external vibrations and the like can be absorbed by wiring substrate 800 , it is possible to prevent the solder beads connecting IC 300 and the wiring from peeling off.

[0145] (14) In any one of the above (11) to (13), the housing 2 includes a plurality of holding portions 230 that hold the IC 300 .

[0146] Therefore, the IC 300 can be held more reliably.

[0147] (15) In the above (14), the plurality of holding portions 230 include the inner wall surface of the housing 2 or the protrusions 227 protruding from the inner wall surface.

[0148] Therefore, the IC 300 can be held more reliably.

[0149] (16) In the above (14) or (15), one of the plurality of holding portions 230 is formed of an elastic member (clamping member 810 ) having higher elasticity than the members forming the other holding portions 230 .

[0150] Therefore, the transmission of vibration to the IC 300 can be further reduced.

[0151] (17) In the above (14) or (15), one or more of the plurality of retaining portions 230 are part of the shell 2 (second shell 22), and the IC300 is elastically retained in the shell 2 (second shell 22) by the one or more retaining portions 230.

[0152] (18) In any one of the above (14) to (17), the IC 300 is held by the plurality of holding portions 230 .

[0153] Therefore, the IC 300 can be protected more reliably.

[0154] [Modification]

[0155] In the above-described embodiments, the plurality of conductor lines 8e, 80e, and 800e are arranged in parallel on the wiring substrates 8, 80, and 800, but the embodiments are not limited thereto. For example, the plurality of conductor lines may be arranged in a mesh pattern.

[0156] Figure 12 FIG is an enlarged perspective view of the wiring substrate in the first modification. Figure 12 As shown, the wires 8e1 are formed in parallel along the direction in which the shield member 8d extends, and further in parallel along a direction intersecting the direction. That is, the wires 8e1 are arranged in a mesh shape on the shield member 8d.

[0157] In this manner, the plurality of conductor wires 8e1 may be arranged in a mesh shape, thereby reliably shielding the electronic component 300 from electromagnetic noise caused by magnetic fields from multiple directions.

[0158] It should be noted that Figure 12 Wires 8e1 are arranged in the shielding member 80d, but the present invention is not limited thereto. Wires 8e1 may be arranged in a mesh pattern along a direction oblique to the direction in which the shielding member 8d extends. Furthermore, the wires 80e in the second embodiment and the wires 800e in the third embodiment may also be arranged in a mesh pattern on the shielding member 80d or the component mounting portion 830.

[0159] Furthermore, the IC 300 as the electronic component may be surrounded by the shield member 8 d as a part of the wiring board 8 , for example, multiple times. Figure 13This is an enlarged perspective view of a wiring substrate in a second modified example. The wiring substrate 8 in this modified example includes a first shielding member 8d1, a second shielding member 8d2, and a third shielding member 8d3, instead of the shielding member 8d in the first embodiment. The first shielding member 8d1, the second shielding member 8d2, and the third shielding member 8d3 are formed, for example, to be continuous with the third planar portion 8c and extend along the sides of the wiring substrate 8, for example, in a direction intersecting the direction in which the first planar portion 8a extends from the third planar portion 8c. Furthermore, conductor lines 8e2 are also formed in the first shielding member 8d1, the second shielding member 8d2, and the third shielding member 8d3. In this case, for example, the IC 300 is not attached to the third planar portion 8c of the wiring substrate 8, but is attached to the second shielding member 8d2 or the third shielding member 8d3.

[0160] Figure 13 The first shield member 8d1 of the wiring substrate 8 shown, similar to the shield member 8d in the first embodiment, is bent at the bent portion 8d0 to cover the upper surface of the IC 300 attached to the third shield member 8d3. Furthermore, the second shield member 8d2 is bent at a portion opposite the bent portion 8d0 in the direction in which the first shield member 8d1 extends, thereby extending to cover the lower surface of the IC 300. Furthermore, the third shield member 8d3 is bent at a portion covered by the bent portion 8d0 and at a portion opposite the direction in which the first shield member 8d1 extends, thereby being configured so that the IC 300 is sandwiched between the lower surface of the third shield member 8d3 and the upper surface of the second shield member 8d2. In this case, the third shield member 8d3 is configured to be sandwiched between the first shield member 8d1 and the IC 300.

[0161] In this manner, the electronic component 300 may be wrapped around a portion of the wiring substrate 8 multiple times. By wrapping the electronic component 300 multiple times around the portion of the wiring substrate 8 on which the conductor wires 8e2 are formed, the entire electronic component 300 is more reliably shielded.

[0162] Furthermore, in the first to third embodiments described above, the connection terminals used are the linear first connection terminals 74 and Figure 3 The second connection terminal 40 has the shape shown.

[0163] That is, the first connection terminal 74 includes one end connected to the sensor 7 and the other end electrically connected to the outside, and the second connection terminal 40 is electrically connected to the first connection terminal 74 directly or via another member.

[0164] In this way, a structure is adopted that includes a second connecting terminal 40 and a linear first connecting terminal 74, the other end of which is connected to the outside, and the second connecting terminal 40 is connected to the first connecting terminal 74 via a connecting member such as a wiring substrate 8, 80, 800, etc., thereby improving the design freedom of the housing 2 in the rotating device 1 and enabling the housing 2 to be miniaturized.

[0165] On the other hand, regarding the second connection terminal 40 of the first to third embodiments described above, Figure 3 The connection terminal having the shape shown, that is, a connection terminal punched out from a metal plate into a predetermined shape, for example, is used.

[0166] However, instead of the above-described second connection terminal, a connection terminal having the following structure may be used.

[0167] Figure 14 It is an explanatory diagram showing a connector portion 200 of the rotating device 1 according to a third modified example. Figure 15 : is a perspective view of the second connection terminal provided in the connector portion 200 of the rotating device 1 of the third modified example. Figure 16 It is an explanatory diagram in cross section showing the positional relationship between the second connection terminal and the sensor housing 72 .

[0168] like Figure 14 and Figure 15 As shown, the second connection terminal 400 of the third variant is formed from a rod-shaped member with a quadrilateral cross-section, having a bent portion 420 formed on one end and an extension portion (a portion of the second connection terminal 400) 410 extending linearly from the bent portion 420 to the other end. The other end portion 401 of the second connection terminal 400 (hereinafter referred to as the top portion of the extension portion 410) and one end portion 402 of the second connection terminal 400 (hereinafter referred to as the top portion on the bent portion 420 side) both have a roughly quadrangular pyramid shape with a slightly tapered tip. In the second connection terminal 400, the extension portion 410 is located midway between the one end portion 402 and the other end portion 401, and thus serves as the middle portion.

[0169] In addition, if Figure 14 As shown, the bent portion 420 extends away from the bottom surface of the housing 2, namely, the second housing 22. Meanwhile, a bent portion is formed on the other end of the first connection terminal 74, and the tip of the bent portion extends away from the second surface portion 220 constituting the bottom surface of the second housing 22. In other words, the tip 402 of the second connection terminal 400 on the bent portion 420 side extends in the same direction as the tip of the first connection terminal 74.

[0170] Therefore, by using a flexible wiring substrate 8, 80, 800 formed of a flexible film to connect the end portion of the first connection terminal 74 on the side of the bent portion to the end portion of the second connection terminal 400 on the side of the bent portion 420, the first connection terminal 74 and the second connection terminal 400 can be easily connected. In addition, as described in the previous embodiment, by using the wiring substrate 8, 80, 800, the motor 3 and the second connection terminal 400 can also be electrically connected.

[0171] In addition, if Figure 15 As shown, a flange portion 430 is provided near the bent portion 420 in the extension portion 410 of the second connection terminal 400. Figure 14 As shown, a predetermined number (here, five) of recesses 202 are provided in the retaining portion 201 of the connector portion 200 formed on the housing 2 for accommodating the flange portion 430 of the second connection terminal 400. Furthermore, the second connection terminal 400 is retained with the flange portion 430 inserted into the recesses 202. Therefore, the second connection terminal 400 is securely retained in the housing 2.

[0172] According to the third modified example described above, the rotating device 1 shown below is realized.

[0173] (19) The rotating device 1 comprises: a motor 3; gears (a transmission gear 6, an output gear 5) for transmitting the rotation of the motor 3 to the outside; a sensor 7; a plurality of linear connection terminals (for example, a first connection terminal 74 and a second connection terminal 400); and a housing 2 for accommodating the gears (a transmission gear 6, an output gear 5), the sensor 7, and the connection terminals (for example, a first connection terminal 74 and a second connection terminal 400). The rotation angle or rotation speed of the output gear 5 can be detected by the sensor 7. The connection terminal 74 of one of the plurality of connection terminals comprises: one end portion connected to the sensor 7 directly or via other components; and the other end portion electrically connected to the outside. The connection terminal 400 of the other side comprises: one end portion 402 connected to the motor 3 directly or via other components; and the other end portion 401 electrically connected to the outside.

[0174] Alternatively, the rotating device 1 includes: a motor 3; gears (a transmission gear 6, an output gear 5) for transmitting the rotation of the motor 3 to the outside; a sensor 7 for detecting the rotation angle of the output gear 5; a linear first connecting terminal 74; and a second connecting terminal 400, the first connecting terminal 74 includes: one end portion, connected to the sensor 7; and the other end portion, electrically connected to the outside, the second connecting terminal 400 is electrically connected to the first connecting terminal 74 directly or via other components, and the second connecting terminal 400 has: a bent portion 420, formed on one end side; and an extension portion 410, which is a portion extending linearly from the bent portion 420 to the other end portion (top end portion 401).

[0175] Therefore, the degree of freedom in designing the housing 2 in the rotating device 1 is improved, and the housing 2 can be reduced in size.

[0176] (20) In the above (19), the other component is a wiring substrate.

[0177] Therefore, there is no need to prepare dedicated connecting members and existing products can be used as they are, which can reduce costs.

[0178] (21) In the above (19) or (20), the plurality of connection terminals 400 include a flange portion 430 in an intermediate portion between one end portion 402 and the other end portion 401 .

[0179] Therefore, the strength of the linear second connection terminal 400 can be improved.

[0180] (22) In the above (21), the housing 2 is provided with a recessed portion 202 , and the flange portions 430 of the plurality of connection terminals 400 are engaged with the recessed portion 202 .

[0181] Therefore, the second connection terminal 400 can be reliably held in the housing 2 .

[0182] (23) In the above (22), there is a bent portion 420 between the flange portion 430 and one end portion 402.

[0183] Therefore, the bent portion of the first connection terminal 74 and the bent portion 420 of the second connection terminal 400 can be easily connected using a predetermined connection member such as the wiring substrate 8, 80, 800, and the operation of electrically connecting the first connection terminal 74 and the second connection terminal 400 can also be easily performed.

[0184] (24) In the above (20) to (23), the wiring substrate is formed of a flexible film.

[0185] Therefore, the above advantages can be achieved, and at the same time, vibrations from the outside can be absorbed by the wiring substrate 8, 80, 800, thereby preventing the solder beads connecting the first connection terminal 74, the second connection terminal 400 and the wiring substrate 8, 80, 800 from peeling off.

[0186] (25) In the above (20) to (24), the sensor 7 includes a sensor substrate 73 having a conductive portion, and the wiring substrates 8, 80, 800 and the sensor substrate 73 are electrically connected.

[0187] Therefore, for example, a configuration can be adopted in which the conductive portions of the wiring substrates 8 , 80 , 800 and the sensor substrate 73 are directly electrically connected without interposing the connection terminals 74 or the like.

[0188] (26) In the above (20) to (24), the sensor 7 includes a sensor substrate 73 and a first connection terminal 74 electrically connected to the sensor substrate 73. The first connection terminal 74 and the wiring substrates 8, 80, 800 are electrically connected.

[0189] Therefore, for example, a structure including the sensor 7 in which the sensor substrate 73 and the first connection terminals 74 are packaged can be adopted to facilitate handling.

[0190] Furthermore, by using the second connection terminal 400 of the modified example, the following rotating device 1 is realized.

[0191] (27) In the above (23), the bent portion 420 extends in a direction away from the bottom of the housing 2 (the second surface portion 220 constituting the bottom surface of the second housing 22).

[0192] Therefore, the bent portion of the first connection terminal 74 and the bent portion 420 of the second connection terminal 400 can be easily connected using a predetermined connection member, and the operation of electrically connecting the first connection terminal 74 and the second connection terminal 400 can also be easily performed.

[0193] (28) In any one of the above (19) to (27), the sensor 7 has a sensor housing 72, and in the direction from the first connection terminal 74 toward the second connection terminal 400, the bent portion 420 of the second connection terminal 400, the other end portion of the first connection terminal 74 and the sensor housing 72 are arranged side by side.

[0194] Therefore, as a result, the sensor housing 72 and the second connection terminal 400 can be brought as close as possible, which can contribute to the miniaturization of the housing 2 and thus the miniaturization of the rotating device 1.

[0195] The present invention has been described above based on various embodiments, but the present invention is not limited to the various embodiments, and various modifications can be made without departing from the scope of the present invention. It will be understood by those skilled in the art based on the description of the technical solution that various modifications made without departing from the scope of the present invention are also included in the technical scope of the present invention.

[0196] In each embodiment, the rotation angle of the gear can be detected by the sensor unit, but the present invention is not limited thereto, and the rotation angle and / or the rotation speed of the gear may be detected by the sensor unit.

[0197] In each embodiment, the wiring formed on the wiring substrate and the conductive portion formed on the sensor substrate (sensor substrate) may be electrically connected by a known method such as soldering, without using connecting terminals. Alternatively, the wiring substrate and the sensor substrate may be fixed with a resin or the like, thereby electrically connecting the wiring on the wiring substrate and the conductive portion of the sensor substrate by contacting each other without using connecting terminals.

[0198] Description of Reference Numerals

[0199] 1: Rotating device; 2: Housing; 3: Motor; 4: Worm; 5: Output gear; 6: Transmission gear; 7: Sensor; 8, 80, 800: Wiring substrate; 21: First housing; 22: Second housing; 23, 24, 25, 26: Assembly portion; 40: Second connection terminal; 40a: Sheet; 70: Sensor portion; 72: Sensor housing; 73: Sensor substrate; 75: Brush; 210: First face portion; 211: First side wall portion; 220: Second face portion; 222: Second side wall portion; 224: Engaging protrusion; 212: Engaging portion; 213, 223: Protrusion; 200: Connector portion; 100: Air conditioning system; 101: Blower; 102: Evaporator; 103: Heater; 104: Louver; 104a: Drive shaft; 74: First connection terminal; 61: First transmission unit Drive gear; 62: Second transmission gear; 51: Output shaft; 30: Main body; 31: Rotating shaft; 33: Terminal; 611: First large diameter portion; 612: First small diameter portion; 621: Second small diameter portion; 622: Second large diameter portion; 50: Recess; 52: Tooth row; 201: Holding portion; 300: IC; 8a, 80a: First plane portion; 8c, 80c: Third plane portion; 8b, 80b, 800b: Second plane portion; 8d, 80d: Shielding member; 8e, 8e1, 8e2, 80e, 800e: Line; 225: Holding space; 230: Holding portion; 227: Protrusion; 810: Clamping member; 820: Protruding member; 830: Component mounting portion; 400: Second connecting terminal; 420: Bend portion; 410: Extension portion; 401, 402: Top end portion.

Claims

1. A rotating device comprising: case; Motor; a gear for transmitting the rotation of the motor to the outside; sensor; Connecting terminal, electrically connected to the outside; as well as a wiring substrate electrically connecting the motor, the sensor, and the connection terminal; The wiring substrate is formed of a flexible resin film. The rotation speed or rotation angle of the gear can be detected by the sensor. The wiring substrate is mounted with electronic components for controlling the motor. The wiring substrate has a partially bent portion or curved portion that surrounds at least a portion of the electronic component. A plurality of conductor lines are formed on a portion of the wiring substrate. The electronic component is surrounded multiple times by a portion of the wiring substrate.

2. The rotating device according to claim 1, The plurality of conductor lines are arranged in parallel or in a mesh shape.

3. The rotating device according to claim 1 or 2, The entire wiring substrate is formed by a single flexible film.

4. The rotating device according to claim 1 or 2, The wiring substrate includes: a first portion connected to the connection terminal; a second portion connected to the terminal of the motor; and a third portion connecting the first portion and the second portion. A bent portion or a curved portion surrounding at least a portion of the electronic component is provided in the third portion.

5. The rotating device according to claim 1 or 2, The electronic component is electrically connected to the connection terminal via the wiring substrate.

6. The rotating device according to claim 1 or 2, The electronic component is held in the housing. The housing includes a plurality of holding portions for holding the electronic components.

7. The rotating device according to claim 6, The plurality of holding portions include an inner wall surface of the housing or a protrusion protruding from the inner wall surface.

8. The rotating device according to claim 6, One of the plurality of holding portions is formed of an elastic member having higher elasticity than members forming the other holding portions.

9. The rotating device according to claim 6, One or more of the plurality of holding portions are parts of the housing. The electronic component is elastically held on the housing by the one or more holding portions.

10. The rotating device according to claim 6, The electronic component is held by the plurality of holding portions.

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