JP2018196071A - Electronic equipment cooling structure - Google Patents

Abstract

To solve the problem that increased power consumption due to an increase in high picture quality imaging apparatuses needs an increase in an air flow rate by a fan in order to secure cooling, as well as an enlarged area of exhaust ports for cooling, giving rise to an idea of providing suction ports in multiple surfaces of the housing body to secure a sufficient area of suction ports, which, in turn, calls for means of preventing the flow of suctioned or discharged air into a duct from being affected by approach of fingers holding the body or fingers setting the body of an imaging apparatus, said means of preventing the flow of suctioned or discharged air into the duct including enlarging the size of the body of the imaging apparatus and avoiding an increase in component counts to make settings.SOLUTION: By devising the arrangement of suction/exhaust ports and the shape of apertures of the body of an imaging apparatus, the present invention makes it possible to prevent the duct openings or the flow of air from being affected by fingers holding the body or fingers setting the body of the imaging apparatus without enlarging the size or increasing the component count of the body of the imaging apparatus.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a cooling structure for cooling heat generated when an electronic device operates.

  In an electronic device, an electronic circuit that generates heat when activated is brought into contact with a heat radiating duct, and the air in the duct is exhausted from a duct inlet provided on the surface of the electronic device body using a fan built in the electronic device body. A cooling structure that uses forced air cooling to create a flow to the mouth is used.

  In the case of a photographic device having portability, it has a grip portion for gripping the main body housing, and an intake / exhaust port is provided in the gripping hand so that air intake / exhaust is not hindered. In recent years, the number of high-quality image-taking devices has increased, resulting in high power consumption, the flow rate of air from the fan has been increased to ensure cooling, and the intake and exhaust ports to be cooled require a large area. It has been considered to provide intake ports on a plurality of surfaces of the main body housing to secure the intake port area (Patent Document 1).

Japanese Patent Laying-Open No. 2015-171122

  However, in the above-described conventional example, it is assumed that the hand holding the photographing device main body is disposed in the vicinity of the duct opening, or the operation unit for changing the setting of the photographing device main body is disposed in the vicinity of the duct opening. However, there were the following problems.

It is necessary to provide means that does not affect the flow of air that is sucked and discharged into the duct when a finger that grips the photographing apparatus main body or a finger that operates the setting of the photographing apparatus main body is close to the duct opening.
The means that does not affect the flow of air sucked into and discharged from the duct is required to be set without increasing the size of the photographing apparatus body or increasing the number of parts.

In order to solve the above-described problem, a photographing apparatus according to the present invention
In a photographing apparatus having a duct for cooling an internal heat source inside the main body housing, and a fan that causes air flow in the duct and sucks and exhausts air from outside the main body housing, and has a grip portion for gripping the main body housing. A first opening and a second opening provided in front of the main body housing connected to the opening of the duct, and a third opening provided in the rear of the main body housing, the first opening and the second opening. Are arranged on different first and second opening surfaces, respectively, and at least a part thereof is provided above the optical axis of the lens, and a protrusion shape is provided below the first opening surface. The second opening surface is retreated in the direction of the optical axis toward the top of the main body.

  In addition, an operation unit for changing the setting of the photographing apparatus with the optical axis center as the rotation center is provided in front of the second opening surface in the optical axis direction.

  The first opening and the second opening are openings for sucking air into the duct, and the third opening is an opening for discharging air from the duct. .

  Further, the first opening and the second opening are openings for discharging air from the duct, and the third opening is an opening for sucking air into the duct. .

  According to the photographic device according to the present invention, a duct opening is provided on a plurality of side surfaces of the photographic device main body to provide an intake / exhaust opening area, and the photographic device main body is not enlarged and the number of parts is not increased. The finger that grips the main body and the finger that operates the setting of the photographing apparatus main body can be configured so as not to cover the duct opening or affect the air flow.

The perspective view which shows the whole image of the imaging device of this invention The side view which looked at the surface where the inlet port of this invention, and the exhaust port were provided in front The side view seen from the front side of the photographic lens subject side of the present invention Horizontal sectional view of the AA portion of FIG. The side view of FIG. 2 which shows the state in which the photographer is placing his / her left and right hands on the photographic device body The side view of FIG. 3 which shows the state where the photographer is placing his left hand on the photographic device body The side view of FIG. 3 which shows the state which the photographer is operating the operation part of an imaging device main body. The side view of FIG. 2 which shows the state which the photographer is operating the operation part of an imaging device main body

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

<First Embodiment>
1 to 8 are diagrams showing the form of the present embodiment. The configuration of the photographing apparatus of the present embodiment will be described with reference to FIGS.

  FIG. 1 is a perspective view showing an overall image of the photographing apparatus of the present invention.

  Reference numeral 1 denotes a photographing apparatus main body, and reference numeral 2 denotes a first intake port for sucking air for internal cooling of the photographing apparatus main body 1, which is provided on a side surface along the optical axis L of the photographing lens. Reference numeral 3 denotes a second intake port provided on a side surface different from the first intake port 2 and is provided on the subject surface side of the photographing lens 4. Reference numeral 5 denotes an exhaust port through which the air sucked from the first intake port 2 and the second intake port 3 passes through the inside of the photographing apparatus main body 1 and is discharged to the outside.

  2 is a side view of the surface on which the first intake port 2 and the exhaust port 5 are provided, and FIG. 3 is a side view of the photographing lens 4 as viewed from the subject side.

  The first air intake port 2 and the second air intake port 3 are provided so as to have a wider opening above the optical axis L of the photographing lens, and a protrusion 6 is provided below the first air intake port 2. Yes. As shown in FIG. 2, the side surface on which the second air inlet 3 is provided has an inclined surface B inclined to the rear side from the subject side.

  FIG. 4 is a horizontal sectional view taken along line AA in FIG.

  Reference numeral 7 denotes a main board on which a control unit for controlling the operation of the photographing apparatus is arranged. Reference numeral 8 denotes a space until the air sucked from the first air inlet 2 and the second air inlet 3 is exhausted from the air outlet 5. The duct 9 is a fan that causes the air flow inside the duct 8, and the inside of the duct 8 is closed except for the first intake port 2, the second intake port 3, the exhaust port 5, and the opening 9 a that contacts the fan 9. It is a space. The duct wall 8a on the side facing the main board 7 of the duct 8 is in contact with the main board 7 via a heat transfer rubber (not shown), and heat from the heat generating part of the main board 7 is transferred into the space of the duct 8. Heat to the air.

  Reference numeral 10 denotes a rotating ring that is operated around the optical axis L of the photographing lens provided at the subject-side tip of the photographing apparatus main body 1. By rotating the rotating ring 10, the focus of the photographing lens 4 can be adjusted. is there. Reference numerals 12 and 13 denote a front bracket and a rear bracket. By mounting the upper belt 14 shown in FIG. 1 between the front bracket 12 and the rear bracket 13, the photographing apparatus main body 1 is held with the left hand, and the upper belt 14 can be held stably. The upper cover belt 14 is not shown in FIGS. 2 and 3. Reference numeral 20 denotes an image sensor, 21 denotes a battery, and 22 denotes an image display unit.

  A state in which the photographing apparatus of the present embodiment is held will be described with reference to FIGS.

  FIG. 5 is a side view of the surface on which the first intake port 2 and the exhaust port 5 provided by the photographer placing his / her left and right hands on the photographing apparatus main body 1 are viewed from the front. FIG. 6 is a side view of the photographing lens 4 in which the photographer is placing the left hand on the photographing apparatus main body 1 as viewed from the front.

  In FIG. 5, when the photographer holds the photographing device main body 1 with the right hand 30 and supports the photographing device main body 1 from below with the left hand 31, the left hand 31 has the lower side of the rotating ring 10 of the photographing device main body 1. become. When the index finger 31a of the left hand 31 is attached to the outer periphery of the rotating ring 10 in order to operate the rotating ring 10, the middle finger 31b is disposed below the first air inlet 2, and the ring finger 31c and the little finger 31d are disposed on the front metal fitting 12 side. Is done. In FIG. 6, with the index finger 31a and thumb 31e of the left hand 31, the rotary ring 10 is held so as to be pinched from the left and right with the photographing lens 4 interposed therebetween, and the rotary ring 10 can be rotated. The rotating ring 10 can be rotated by bending and extending the index finger 31a and the thumb 31e.

  As described above, when the photographing apparatus main body 1 is gripped by the left and right hands, the middle finger 31 b is close to the protrusion 6 provided on the lower side of the first air inlet 2. If the middle finger 31b hits the first air inlet 2, the middle finger 31b touches the protrusion 6, so that the photographer can recognize that the middle finger 31b is blocking the first air inlet 2, and move the middle finger 31b consciously. It becomes possible to make it.

  FIG. 7 is a side view of the photographing lens 4 in a state where the rotating ring 10 is operated in the clockwise rotation direction A. The index finger 31a is extended and the thumb 31e is bent. FIG. 8 is a side view of the surface provided with the first air inlet 2 and the air outlet 5 in the state of FIG. 7 as viewed from the front. In FIG. 7, the index finger 31a appears to be covered in front of the second air intake port 3, but as shown in FIG. 8, the side surface on which the second air intake port 3 is disposed is upward from the subject side to the rear side. Since the inclined surface is inclined B, the front surface of the second intake port 3 is not blocked.

  Although the present invention has been described in detail based on preferred embodiments thereof, the present invention is not limited to these specific embodiments, and various forms within the scope of the present invention are also included in the present invention. included. A part of the above-described embodiments may be appropriately combined, and the first and second intake ports 2 and 3 may be used as the exhaust port and the exhaust port 5 as the intake port by reversing the intake and exhaust ports. Is possible.

1 main body of photographing device, 2 first air inlet, 3 second air inlet, 4 photographing lens,
5 exhaust port, 6 protrusion, 7 main board, 8 duct, 8a duct wall,
9 Fan, 10 Rotating ring, 12 Front bracket, 13 Rear bracket,
14 Back belt, 30 Right hand, 31 Left hand, 31a Forefinger,
31b Middle finger, 31c Ring finger, 31d Pinky finger, 31e Thumb

Claims (4)

  In a photographing apparatus having a duct for cooling an internal heat source inside the main body housing, and a fan that causes air flow in the duct and sucks and exhausts air from outside the main body housing, and has a grip portion for gripping the main body housing. A first opening and a second opening provided in front of the main body housing connected to the opening of the duct, and a third opening provided in the rear of the main body housing, the first opening and the second opening. Are arranged on different first and second opening surfaces, respectively, and at least a part thereof is provided above the optical axis of the lens, and a protrusion shape is provided below the first opening surface. The imaging device is characterized in that the second opening surface recedes in the optical axis direction toward the upper part of the main body.   2. The photographing according to claim 1, wherein an operation unit is provided in front of the second opening surface in the optical axis direction to change a setting of a photographing device having the optical axis center as a rotation center. machine   The first opening and the second opening are openings for sucking air into the duct, and the third opening is an opening for discharging air from the duct. The imaging device according to claim 1 or 2.   The first opening and the second opening are openings for exhausting air from the duct, and the third opening is an opening for sucking air into the duct. The imaging device according to claim 1 or 2.