JP2018026665A - Camera device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a camera device which prevents a built-in microphone from picking up abnormal noise caused by mechanical interference between a housing and components in the camera device and has a high quality sound collection function.SOLUTION: A camera device 1 has a battery storage box 30 in a housing 2. A microphone 32 is attached to a microphone attachment part 30c provided on an upper surface of the battery storage box 30, and the microphone 32 is disposed in a position close to sound collection openings 3c, 5c of the housing 2.SELECTED DRAWING: Figure 6

Description

  The present disclosure relates to a camera device attached to a moving body such as a bicycle.

  In recent years, action camera devices such as cycle recorders have started to appear on the market. When using these action camera devices, recording may be performed during moving image shooting, and the demand for action camera devices incorporating a microphone is increasing.

  On the other hand, in a conventional digital camera having a built-in recording microphone, the microphone is often fixed to the housing of the camera (see, for example, Patent Document 1).

JP 2005-197788 A

  However, an action camera device mounted on a moving body such as a cycle recorder is often subjected to long-time vibration during movement due to road surface unevenness or the like. In this case, if the microphone and the housing are attached with screws or the like, the vibration may cause looseness, which may cause rattling with the housing. In addition, a battery storage box is placed inside the housing, but this is heavy, so it easily interferes with the housing, and there is a risk that abnormal noise will be collected by the microphone. It was.

  The present disclosure has been made in view of the above points, and the purpose thereof is to prevent the microphone from collecting abnormal noise in the camera device caused by vibration during movement, and to collect high-quality sound. It is providing the camera apparatus provided with the microphone which has.

  In order to achieve the above object, in the technology disclosed herein, the influence of interference between the housing and the battery storage box can be reduced by attaching a microphone to the battery storage box.

  Specifically, the camera device disclosed herein is a camera device to be mounted on a moving body, and the camera device includes a housing having an opening for collecting sound, and a battery storage box installed in the housing. And a microphone attached to a position of the battery storage box close to the opening.

  According to this configuration, by attaching the microphone to the battery storage box, it is possible to avoid interference between the battery storage box and the microphone, which is heavy and may move due to vibration or the like. By suppressing this interference, it is possible to suppress the generation of abnormal noise and prevent the abnormal noise from being collected by the microphone.

  Moreover, it is preferable that the battery storage box and the microphone mounting portion are integrally formed of resin.

  According to this configuration, since the battery storage box and the microphone mounting portion are integrally formed of resin, it is possible to eliminate rattling between the battery storage box and the microphone, and to generate abnormal noise. Can be prevented.

  The camera device preferably includes a plurality of microphones and a speaker disposed between the plurality of microphones, and the microphone mounting portion and the speaker mounting portion are integrally formed of resin.

  According to this configuration, it is possible to collect stereo sound by having the microphones spaced apart, and it is possible to reduce the size of the audio input / output unit by arranging the microphones and the speakers close to each other.

  Furthermore, by integrally forming the microphone mounting portion and the speaker mounting portion, the strength of the voice input / output portion can be improved, and damage or the like when the microphone or speaker is assembled can be prevented.

  The microphone mounting portion and the speaker mounting portion are preferably provided on the upper surface of the battery storage box and protruding forward from the front surface of the battery storage box.

  According to this configuration, by providing the battery storage box so as to protrude forward from the front surface of the battery storage box, it is possible to prevent the microphone from collecting abnormal noise due to interference generated inside the storage box.

  More preferably, the microphone mounting portion and the speaker mounting portion each have a rib provided so as to extend downward along the front surface of the battery storage box.

  According to this configuration, by providing the reinforcing rib below the protruding mounting portion, the strength of the mounting portion is improved, and damage or the like when the microphone or the speaker is assembled can be prevented.

  The microphone and the speaker are connected to the substrate provided on the lower surface of the battery storage box via the wiring, respectively, and a wiring fixing portion for fixing the wiring is provided on the side surface of the battery storage box. Is preferred.

  According to this configuration, the wiring can be simplified by providing the wiring fixing portion in the battery storage box.

  As described above, according to the present disclosure, it is possible to reduce the interference between the microphone and the battery storage box in the housing of the camera device and realize a camera device having high-quality sound collection performance.

It is a perspective view which shows the outline | summary of a camera apparatus. It is an exploded structure figure of the case part of a camera device. It is the perspective view seen from diagonally upper front which shows the outline | summary of a battery storage box. It is the perspective view seen from diagonally lower front which shows the outline | summary of a battery storage box. It is the figure seen from the diagonally upper back which shows the outline | summary of a battery storage box. It is sectional drawing in the VI-VI line of FIG.

  Hereinafter, the present embodiment will be described in detail with reference to the drawings. The following description of preferred embodiments is merely exemplary in nature.

  In this description, unless otherwise specified, “front” and “rear” are the side where the imaging lens of the camera device is disposed and the opposite side, and “upper” and “lower” The side where the opening part for sound collection is provided and the opposite side are said. “Left and right” refers to the left and right with reference to “front” in the front-rear direction.

(Structure of the camera device)
FIG. 1 is a perspective view showing an outline of a camera device according to the present embodiment, and FIG. 2 is an exploded structural view of a housing portion of the camera device.

  1 and 2, the detailed structure of the housing, the imaging unit, and the like are not shown.

  The camera device 1 according to the present embodiment is attached to a moving body such as a traveling body such as a bicycle or a motorcycle or a flying body such as a drone so that the imaging lens 6 faces the moving direction.

  The camera device 1 includes an imaging lens 6 on the front surface and an operation button 7 on the upper surface. The operation button 7 determines whether to turn on / off the power and start / end recording.

  The housing 2 of the camera device has an upper housing 3, a lower housing 4, and a deck cover 5. The upper housing 3 and the lower housing 4 are screwed together and fastened. Further, a deck cover 5 is attached on the upper housing 3, and the deck cover 5 is fitted into the upper housing 3. A lid 10 is provided on the rear surface of the housing 2 for opening and closing when a recording medium such as a battery or an SD card is taken in and out.

  On the upper surface of the upper housing 3, a recess 3 a directed inward of the housing 2 is provided, and on the bottom 3 b of the recess 3 a, voice input / output openings 3 c and 3 d are provided, respectively. .

  Further, the upper surface of the deck cover 5 is provided with a step portion 5a directed inward of the housing 2, and the vertical walls 5b (see FIG. 6) of the step portion 5a have openings 5c and 5d, respectively. Is provided. The openings 3c and 5c are for sound collection by the microphone 32 (see FIG. 3), and the openings 3d and 5d are for output from the speaker 33.

  The recess 3a is covered with a waterproof sheet (not shown), and prevents moisture such as rainwater from entering the camera device 1 from the outside. The waterproof sheet is made of, for example, silicone. Note that by providing a plurality of openings 3d that are spaced apart in the left-right direction, a portion of the upper housing 3 can remain between the openings 3d. If the sheet hangs down due to the entry of rainwater or the like, the sheet may be torn. When the sheet hits a part of the remaining upper housing 3, the amount of sheet deflection can be reduced, and sheet tearing and the like can be suppressed.

  An imaging unit (not shown), a control board 14 (see FIG. 4), and a battery storage box 30 are stored in the housing 2.

  The imaging unit includes an image sensor (not shown) and a heat radiating unit 12 (see FIG. 6), and is provided inside the housing 2 so as to face the imaging lens 6. The light incident on the imaging lens 6 is condensed on the imaging surface of the image sensor, and the optical signal is converted into an electrical signal.

  The camera device 1 includes an antenna unit (not shown) and a communication board 19 provided with a wireless LAN communication circuit. The antenna unit is provided in the upper housing 3, and the communication board 19 is provided in a battery storage box 30. It is attached to the upper surface of each.

  The antenna unit and the communication board 19 are provided to receive GPS (Global Positioning System) signals and signals from the wireless LAN and obtain position information.

  The GPS signal received by the antenna unit and the signal from the wireless LAN are processed by the communication board 19 and then recorded on a memory element or a recording medium on the control board 14 (see FIG. 4) through the flexible wiring 39. . The recorded position information is used, for example, to add moving position information or map information to image information of a captured moving image.

  The battery storage box 30 stores therein a battery 34 such as an alkaline battery or a lithium ion battery, and power is supplied from the battery to each electronic component of the camera device 1.

  According to the camera device of this embodiment, it is possible to add position information or audio or sound information by recording to a moving image shot during movement, and it is easy to remain clearly in the driver's memory, and the movement information is A video that is easy to trace can be obtained.

(Battery storage box structure)
FIG. 3 is a perspective view showing an outline of the battery storage box according to the present embodiment, as seen from the diagonally upper front, FIG. 4 is a perspective view seen from the diagonally lower front, and FIG. 5 is from the diagonally upper rear. FIG. 6 is a cross-sectional view taken along line VI-VI in FIG.

  As shown in FIGS. 3, 4, and 5, the battery storage box 30 has a substantially rectangular parallelepiped shape, the rear surface of the battery storage box 30 has an opening 30 a, and the lid 10 of the housing 2 is opened. The battery 34 (see FIG. 2) is accommodated in the battery accommodating box 30 through the opening 30a. An external terminal (not shown) of the battery 34 is connected to a battery terminal portion 35 provided inside the front surface of the battery storage box 30. The battery terminal portion 35 supplies power to the control board 14 and the like from a terminal extending outside the front surface of the battery housing box 30 through wiring (not shown).

  The control board 14 is attached to the lower surface of the battery storage box 30. On the upper and lower surfaces of the control board 14, a large number of electronic components 15 such as LSIs and synchronous DRAMs for processing electrical signals from the image sensor are provided. An electronic circuit is provided.

  In addition, the control board 14 is provided with a storage medium accommodating portion 16 that accommodates a memory card such as an SD card, and a connection terminal port 17 for exchanging signals according to standards such as USB.

  Further, on the upper surface of the battery housing box 30, a board placement portion 30 b for placing the communication board 19, a microphone attachment portion 30 c, and a speaker attachment portion 30 d are provided. The substrate placement portion 30b, the microphone attachment portion 30c, and the speaker attachment portion 30d are integrally formed of resin.

  The microphone 32 collects, for example, voice generated by the driver during movement and sound from the surrounding environment, and converts vibration generated by the microphone by the voice or sound into an electric signal. In many cases, the converted electric signal is subjected to signal processing by the electronic component 15 or the like disposed on the control board 14 and recorded on a memory element or a recording medium accommodated in the recording medium accommodating portion 16.

  The speaker 33 outputs, for example, a signal sound indicating that the battery has reached the destination or when the remaining battery level is low.

  The microphone attachment portion 30c is disposed on each of the left and right sides of the speaker attachment portion 30d, has a substantially cylindrical shape having an opening in the upper portion, and a part of the side surface is notched. When viewed from above, the microphone mounting portion 30c has a substantially C shape. The microphone 32 is inserted and fixed to the microphone attachment portion 30c via an annular rubber 36.

  By providing a notch on the side surface of the microphone attachment portion 30c, the side surface of the microphone attachment portion 30c can be slightly expanded when the rubber 36 and the microphone 32 are inserted. This makes it possible to easily insert the rubber 36 and the microphone 32 into the microphone attachment portion 30c without applying extra force, and the microphone attachment portion 30c is less likely to be damaged.

  The speaker mounting portion 30d has a shape sandwiched between two arcs when viewed from above, and the speaker 33 is mounted between the arcs. The speaker 33 is attached to the upper surface of the speaker attachment portion 30d via an adhesive such as a double-sided tape. In addition, a cloth (not shown) is attached to the upper surface of the speaker 33 in order to prevent the above-described silicone sheet from rubbing against the metal periphery of the speaker 33 and tearing.

  As shown in FIGS. 4 and 6, the microphone attachment portion 30c and the speaker attachment portion 30d are integrally provided so as to protrude forward from the front surface of the battery storage box 30, and the microphone attachment portion 30c. Further, reinforcing ribs 31e extending downward along the front surface of the battery storage box 30 are provided at the bottom of the speaker mounting portion 30d.

  The upper surface of the microphone 32 and the upper surface of the speaker 33 are disposed so as to be substantially flush with each other.

  Further, the microphone attachment portion 30 c and the speaker attachment portion 30 d are disposed so as to protrude upward from the upper surface of the battery storage box 30.

  As shown in FIG. 4, on the left side surface of the battery storage box 30, a plurality of wirings for fixing wirings 37 and 38 that connect the microphone 32 and the speaker 33 and the control board 14 on the lower surface of the battery storage box 30. A fixing portion 30f is provided. Each of the wiring fixing portions 30f has a substantially annular shape with a part cut away, and the wires 37 and 38 are sandwiched between the individual wiring fixing portions 30f so that no slack or excessive tension is generated. It is fixed to the left side surface of the part 30.

  The wiring fixing portion 30f is also integrally formed with the battery housing box 30 and resin.

(Assembly structure of battery storage box and metal plate)
As shown in FIGS. 3 to 6, the battery storage box 30 is fastened to a metal plate material 31 placed so as to cover the upper surface thereof. Specifically, the positioning boss 30g provided in the battery housing box 30 is screwed and fastened at a plurality of locations in a state where the positioning boss 30g is inserted into the positioning hole 31a provided in the metal plate material 31.

  The laterally extending portions 31 b of the metal plate material 31 extend on the right side surface and the left side surface of the main body portion 31 until reaching the vicinity of the lower surface of the main body portion 31.

  The laterally extending portion 31b serves as a base portion for laying a flexible wiring 39 that connects the communication substrate 19 and the antenna portion to the control substrate 14 on the lower surface of the battery storage box 30, and when an external force is applied from the left and right sides. In addition, it has a function of protecting the battery storage box 30.

  Further, the front extension 31c of the metal plate 31 protrudes forward from the front surface of the battery storage box 30, and is bent downward from the middle to be provided with a lower extension 31d. The part 31d extends so as to form a substantially L shape when viewed from the left side with the front face down.

  In addition, as shown in FIG. 6, the heat radiating part 12 of the imaging unit 11 and the front surface of the downwardly extending part 31 d are arranged so as to contact each other.

  By arranging both in this way, heat generated during the operation of the image sensor is diffused to the metal plate 31 via the heat radiating portion 12. The metal plate 31 has a larger volume and surface area than the heat radiating section 12 and is a metal, and therefore has a large thermal conductivity coefficient. Therefore, the heat generated by the image sensor can be dissipated into the atmosphere in a short time, and the temperature rise near the image sensor can be suppressed.

  Further, as shown in FIG. 3, two downwardly extending portions 31d are provided apart from each other in the left-right direction, and the space between them is covered with a heat dissipation sheet (not shown) on which high thermal conductive rubber is attached. .

  Accordingly, heat radiation from the image sensor to the metal plate 31 is promoted, and thermal damage to the battery terminal portion 35 exposed on the front surface of the battery housing box 30 can be suppressed.

  Further, as described above, the battery extension box 30 is arranged so that the forward extension part 31c prevents thermal damage to the battery terminal part 35 as described above so that the lower extension part 31d does not come into contact with the battery terminal part 35. It protrudes from the front of the front and extends.

  Note that the microphone attachment portion 30 c and the speaker attachment portion 30 d are disposed in a region between the front extension portion 31 c and the front surface of the battery storage box 30 when viewed from above.

  In addition to the heat dissipation function described above, the metal plate 31 also has a function of protecting the battery storage box 30 from an external force from above and from the side, and a function as a ground potential for the control board 14 and the like.

(Operational effects in this embodiment)
Next, the function and effect of this embodiment will be described.

  The battery storage box 30 may incorporate a heavy battery in a detachable manner, and is greatly affected by vibration during movement. When the microphone 33 is directly attached to the housing 2, mechanical interference is large between the housing 2 and the battery storage box 30, and the microphone 33 picks up abnormal noise caused by the interference.

  According to this embodiment, since the microphone 33 itself vibrates in the same manner as the battery storage box 30 by attaching the microphone 33 to the battery storage box 30, interference with the battery storage box 30 can be suppressed. As a result, the generation of abnormal noise is suppressed, the abnormal noise is prevented from being collected by the microphone, and high-quality sound with less noise can be collected by the microphone 32.

  Since the sound collection quality with the microphone 32 is improved, it is possible to enjoy the moving image comfortably when the moving image shot while moving is reproduced and viewed later. In addition, sound information other than the sound recorded during shooting can be stored and played in a high quality state with little noise.

  Further, when the microphone 33 and the battery storage box 30 are attached with screws, the screws and screws are loosened by vibration, and there is a possibility that rattling occurs between the two during movement.

  According to the present embodiment, since the battery storage box 30, the microphone mounting portion 30c, and the speaker mounting portion 30d are integrally formed of resin, mounting screws or the like are provided therebetween. It becomes unnecessary and no rattling occurs between the two.

  Accordingly, it is possible to prevent abnormal noise from being collected by the microphone even during long-time movement.

  Moreover, the battery housing box 30 can be reduced in weight by molding with resin, and the overall weight of the camera device can be reduced.

  Further, when there is an operation button on the upper surface as in the camera device according to the present embodiment, a load from above is applied to the components inside the housing 2 due to the operation. Furthermore, since the microphone 32 and the speaker 33 are assembled from above the attachment portion, a load from above is often applied to the microphone attachment portion 30c and the speaker attachment portion 30d.

  By integrating the microphone mounting portion 30c and the speaker mounting portion 30d, the strength of these can be improved as a whole. In particular, since the strength increases against the load from above, it is possible to prevent damage when the microphone 32 and the speaker 33 are assembled.

  Further, by providing reinforcing ribs 31e extending downward along the front surface of the battery storage box 30 at the bottoms of the microphone mounting portion 30c and the speaker mounting portion 30d, further against the load from above. Strength can be improved.

  Furthermore, by arranging the sound collecting portions of the microphone 32 apart from each other, stereo sound collection becomes possible, and by arranging the microphones 32 on the left and right sides of the speaker 33, the speakers 33 and the microphone 32 are brought close to each other. The audio input / output unit can be downsized.

  Further, as described above, a space defined by the front extending portion 31 c and the lower extending portion 31 d of the metal plate 31 is provided in front of the battery housing box 30.

  The microphone mounting portion 30c and the speaker mounting portion 30d are provided so as to protrude forward from the front surface of the battery storage box 30, so that the space secured for heat dissipation and the like can be used effectively, and the camera device can be downsized. Can be planned.

  Although not shown, the battery terminal portion 35 and the connection terminal of the battery 34 are in contact with each other on the front side inside the battery storage box 30, and mechanical interference is likely to occur due to vibration during movement. .

  According to the present embodiment, the microphone 33 can be disposed avoiding this region, and the microphone can be prevented from collecting abnormal sounds.

  A liquid crystal monitor 9 and a substrate equipped with a drive circuit and the like are attached to the inner surface of the upper housing 3. For this reason, it is necessary to provide a certain space between the upper housing 3 and the battery storage box 30.

  However, the distance between the microphone 32 and the corresponding sound collection openings 3c and 5c, and the distance between the speaker 33 and the corresponding sound output openings 3d and 5d are determined by the sound collection efficiency and output. It needs to be as close as possible from the viewpoint of efficiency.

  On the other hand, no other parts are disposed above the microphone 32 and the speaker 33 so as not to interfere with sound collection and sound output.

  Therefore, as shown in the present embodiment, the microphone attachment portion 30c and the speaker attachment portion 30d are disposed so as to protrude above the battery housing box 30, thereby providing the microphone 32 and the speaker 33 and the corresponding openings. The distance between 3c, 5c, 3d, and 5d can be reduced. This makes it possible to improve the sound collection performance and the sound output performance from the speaker 33.

  In addition, a wiring fixing portion 30f is provided on the side surface of the battery storage box 30, and the wirings 37 and 38 that connect the microphone 32 and the speaker 33 and the control board 14 are securely fixed. It is possible to prevent the connection portion from being disconnected due to vibration of the. It is also possible to prevent the wiring from being disconnected due to excessive tension. Furthermore, the wiring arrangement is simplified and the camera device can be miniaturized.

  In the present embodiment, the communication board 19 is disposed on the upper surface of the battery storage box 30, but may be attached to the upper housing 3.

  Moreover, although the wiring fixing | fixed part 30f was provided in the left side surface of the battery storage box 30, you may provide in the right side surface.

  The number of operation buttons 7 is not limited to this embodiment, and may be more or less.

  Note that the camera device according to the present embodiment is not limited to a use attached to a moving body such as a bicycle, a motorcycle, or a drone, and may be used for other digital cameras.

  The present disclosure is useful when applied to a camera device attached to a moving body such as a cycle recorder, because a microphone is attached to the battery storage box and noise collection inside the camera device can be suppressed.

DESCRIPTION OF SYMBOLS 1 Camera apparatus 2 Housing | casing 3 Upper housing | casing 3b Sound collection opening 3d Speaker output opening 4 Lower housing 5 Deck cover 5c Sound collection opening 5d Speaker output opening 30 Battery storage box 30a Opening 30b Substrate Arrangement portion 30c Microphone attachment portion 30d Speaker attachment portion 30e Rib 30f Wiring fixing portion 31 Metal plate 31b Side extension portion 31c Front extension portion 31d Downward extension portion 32 Microphone 33 Speaker

Claims (6)

A camera device mounted on a moving body,
The camera device includes a housing having an opening for collecting sound,
A battery storage box installed in the housing;
A microphone attached to a position of the battery storage box close to the opening.   The camera device according to claim 1, wherein the battery storage box and the attachment portion of the microphone are integrally formed of resin. The camera device includes a plurality of microphones and a speaker disposed between the plurality of microphones.
The camera device according to claim 1, wherein the microphone mounting portion and the speaker mounting portion are integrally formed of resin.   The camera device according to claim 3, wherein the microphone mounting portion and the speaker mounting portion are provided on the upper surface of the battery storage box and projecting forward from the front surface of the battery storage box.   The camera device according to claim 4, wherein the microphone mounting portion and the speaker mounting portion each have a rib provided so as to extend downward along the front surface of the battery storage box. The microphone and the speaker are respectively connected to a substrate provided on the lower surface of the battery storage box via wiring.
The camera device according to claim 3, wherein a wiring fixing portion for fixing the wiring is provided on a side surface of the battery storage box.