Imaging device and camera system having the same

Abstract

To provide an imaging device that offers both portability and cooling performance while increasing the flexibility of the placement of air intake and exhaust ports. [Solution] The imaging device is an imaging device in which a cooling device can be attached and detached, and comprises: a first member which constitutes the first surface of the exterior of the housing and has a first opening formed thereon; a second member which constitutes the second surface of the exterior and has a second opening formed thereon; a heat dissipation member which is arranged inside the housing facing the surface opposite to the first surface and for cooling the heat emitted from the heat generating member; a first sealing member which is arranged between the first member and the heat dissipation member; and a second sealing member which is arranged between the first member and the heat dissipation member and the second member, wherein the first member, the second member and the heat dissipation member form a first air passage between the first and second openings, the first sealing member is arranged in a state of being pressed by the first member and the heat dissipation member, and the second sealing member is arranged in a state of being pressed by the first member, the second member and the heat dissipation member.

Description

Technical Field

[0001] The present invention relates to an imaging device in which a cooling device is detachable.

Background Art

[0002] Conventionally, in an imaging device, the amount of heat generated has been increasing due to an increase in power consumption associated with higher functionality and miniaturization of electronic components, and a heat dissipation configuration for suppressing a temperature rise is provided.

[0003] Patent Document 1 discloses a configuration in which an intake port and an exhaust port are formed in a back cover of an imaging device, and a duct is provided between the outer appearance side of the back cover and the inner appearance side of a display unit located further outside the back cover to cool the inside and the exterior of the imaging device.

[0004] Patent Document 2 discloses a configuration including an intake / exhaust port leading to the inside of an imaging device and a blowing means that creates a flow of air in the internal space of the imaging device when mounted on the imaging device, while enhancing the portability of the imaging device and cooling the inside and the exterior of the imaging device as needed.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0006] However, the configuration of Patent Document 1 is not configured such that the blowing means for passing air through the duct is detachable, and the cooling capacity cannot be improved. Further, the arrangement of the intake port and the exhaust port is limited within the back cover, and the degree of freedom in arranging the intake port and the exhaust port is low.

[0007] In the configuration of Patent Document 2, the air intake of the imaging device is provided on the tripod mounting means, which limits the placement of the air intake. Furthermore, there is no duct inside the imaging device, making it easy for air from the blowing means to disperse.

[0008] The present invention aims to provide an imaging device that achieves both portability and cooling performance while increasing the degree of freedom in arranging the air intake and exhaust ports. [Means for solving the problem]

[0009] An imaging device as one aspect of the present invention comprises a heat-generating member, a first exterior member constituting the first surface of the exterior of the housing and having a first opening formed thereon, a second exterior member constituting a second surface different from the first surface of the exterior and having a second opening formed thereon, a heat dissipation member disposed inside the housing facing the surface opposite to the first surface and for cooling the heat generated from the heat-generating member, an image sensor for photoelectric conversion of the optical image of a subject, a first heat-generating member, a second heat-generating member having a smaller heat generation amount than the first heat-generating member, a first heat dissipation member that is thermally in contact with the first heat-generating member, and a second heat dissipation member that is thermally in contact with the second heat-generating member, wherein the first exterior member, the second exterior member, and the heat dissipation member form a first airflow channel between the first opening and the second opening, the first airflow channel is thermally in contact with the first heat dissipation member and the second heat dissipation member, the first airflow channel has a bent portion, and the first heat-generating member is positioned closer to the bent portion than the second heat-generating member. [Effects of the Invention]

[0010] According to the present invention, it is possible to provide an imaging device that achieves both portability and cooling performance while increasing the degree of freedom in arranging the intake and exhaust ports. [Brief explanation of the drawing]

[0011] [Figure 1] This is an external view of an imaging device according to an embodiment of the present invention. [Figure 2] This is a diagram illustrating the external cooling accessory. [Figure 3] This is an external view of the camera body and external cooling accessories. [Figure 4] This is a system diagram of the camera body and external cooling accessories. [Figure 5] This is an explanatory diagram of the inside of the camera body. [Figure 6] This is a side view of the camera body. [Figure 7] This is an internal view of the camera body. [Modes for carrying out the invention]

[0012] The embodiments of the present invention will be described in detail below with reference to the drawings. In each figure, the same reference numeral is used for identical components, and redundant explanations are omitted.

[0013] Figure 1 is an external view of a camera body 100, which is an imaging device according to an embodiment of the present invention. Figure 1(a) is a view of the camera body 100 from the front, and Figure 1(b) is a view of the camera body 100 from the rear. In this embodiment, the width direction of the camera body 100 is defined as the X direction, the height direction of the camera body 100 is defined as the Y direction, and the direction perpendicular to the imaging surface of the image sensor (the optical axis direction of the imaging optical system, not shown) is defined as the Z direction.

[0014] The rear display unit 101 is mounted on the back of the camera body 100 so as to be able to open, close, and rotate relative to the camera body 100, and displays images generated by imaging and various information related to imaging. The rear display unit 101 is equipped with a touch panel and can detect user (photographer) touch operations on its display surface (operating surface). The top display unit 102 is located on the top surface of the camera body 100 and can display the settings of various imaging parameters such as shutter speed and aperture.

[0015] The shutter button 103 is an operating member that the user operates when instructing the camera body 100 to capture an image. The mode switch 104 is an operating member that the user operates when switching between various modes. The terminal cover 105 is a cover that protects a connector to which a connection cable extending from an external device can be connected. The main electronic dial 106 is an operating member that the user rotates when changing the set value of imaging parameters. The power switch 107 is an operating member that the user operates when switching the ON / OFF of the power supply of the camera body 100. The sub electronic dial 108 is an operating member that the user operates when moving a selection frame such as a focus detection (AF) frame or performing image scrolling.

[0016] The multi-controller 109 is provided on the back surface of the camera body 100 and is configured to enable input by pressing the key top and tilting operations in the up, down, left, right, and diagonal directions. By the user operating the multi-controller 109, the selection frame can be moved or items in various menus can be selected.

[0017] The rear electronic dial 110 is an operating member that the user operates when moving a selection frame or performing image scrolling. The rear electronic dial 110 is arranged at a position where the user can intuitively operate it while reproducing the captured image on the rear display unit 101, and is also easy to operate even when the user holds the camera body 100 vertically. The SET button 111 is an operating member in the form of a push button provided at the center of the rear electronic dial 110 that the user operates when determining a selected item or the like.

[0018] The video button 112 is an operating member that the user operates when instructing the start and stop of video recording. The first button group 113 is an operating member related to focus and exposure, and includes an AF start button, an AE lock button, and an AF frame selection button. In the imaging standby state, when the user presses a button included in the first button group 113, AF can be started, the AF frame can be changed, or the exposure can be fixed.

[0019] The second button group 114 includes a zoom button, an information display button, and a quick setting button. When the user operates the zoom button in the live view display state in the imaging mode, it is possible to switch the ON / OFF of the zoom of the live view display image. Also, when the user operates the zoom button in the playback mode, it is possible to switch the ON / OFF of the zoom of the played-back captured image. When the user operates the information display button, it is possible to switch the display method of the information displayed on the rear display unit 101. When the user operates the quick setting button, the display on the rear display unit 101 can be transitioned to a screen for changing the set values of the imaging parameters.

[0020] The third button group 115 includes a playback button and a delete button. By operating the playback button, the user can switch between the imaging mode and the playback mode. When the playback button is operated in the imaging mode, the user can transition to the playback mode and display the latest captured image recorded on a medium (not shown) on the rear display unit 101. When the user who has selected a captured image in the playback mode operates the delete button, the selected captured image can be deleted.

[0021] The fourth button group 116 includes a menu button and a rating button. When the user operates the menu button, a menu screen for displaying configurable items is displayed on the rear display unit 101. The user can intuitively select and set items by performing a touch operation on the menu screen displayed on the rear display unit 101, or by operating the multi-controller 109, the rear electronic dial 110, and the SET button 111. When the user operates the rating button in the playback mode, it is possible to rate the playback image.

[0022] An interchangeable lens (not shown) having an imaging optical system is detachably attached to the mount portion 117. The communication terminal 118 is provided inside the mount portion 117 and is used for communication between the camera body 100 and the interchangeable lens.

[0023] The viewfinder 119 is an electronic viewfinder located on the upper rear of the camera body 100. The user can view the live view display image, etc., by looking through the viewfinder 119. The eyepiece cover 120 is a rubber material that comes into contact with the face around the user's eye when they look through the viewfinder 119.

[0024] The grip portion 121 is a gripping member that has a shape that makes it easy for the user to hold the camera body 100 with their right hand.

[0025] The card cover 122 is a cover that covers the media slot 153, which stores media (not shown), located in the part of the grip section 121 where the user's palm rests.

[0026] The tripod mount 123 is a mounting component located on the bottom of the camera body 100, used when attaching external accessories that can be attached to the camera body 100, such as the external cooling accessory 200 described later.

[0027] The battery cover 124 is a cover for housing a battery (not shown) and is detachably attached to the bottom exterior member 132.

[0028] The rear exterior member (first exterior member) 125 is an exterior member that constitutes the rear (first surface) of the exterior of the housing of the camera body 100, and is molded from metal, polycarbonate, or the like. The rear exterior member 125 includes a main body air intake (first opening) 125a provided on the bottom side of the camera body 100, and a storage compartment exterior surface (storage surface) 125ba which is part of the rear and houses the rear display unit 101.

[0029] The side exterior member (second exterior member) 126 is an exterior member that constitutes the left side (second side) of the camera body 100's housing when viewed from the back of the camera body 100, and is molded from metal, polycarbonate, or the like. The side exterior member 126 is equipped with a main body exhaust port 126a.

[0030] The bottom exterior member 132 is an exterior member that constitutes the bottom surface of the exterior of the camera body 100 housing, and is molded from metal, polycarbonate, or the like.

[0031] Figure 2 is an explanatory diagram of an external cooling accessory (cooling device) 200 that can be attached to and removed from the camera body 100. Figure 2(a) is a front perspective view of the external cooling accessory 200, and Figure 2(b) is a cross-sectional view taken along line AA of Figure 2(a).

[0032] The external cooling accessory 200 comprises an accessory casing 201, a tripod screw 202, a tripod screw operating part 203, a fan (air blower) 204, an accessory air intake 205, an accessory exhaust port 206, and an accessory cushion member (third sealing member) 207. By operating the tripod screw operating part 203 and rotating the tripod screw 202, the camera body 100 and the external cooling accessory 200 can be fixed together. The accessory cushion member 207 is provided on the upper surface of the accessory exhaust port 206.

[0033] By driving the fan 204, a second duct (second flow path) 208 is formed inside the external cooling accessory 200, extending from the accessory intake port 205 (indicated by arrow F) through the fan 204 to the accessory exhaust port 206. A battery (not shown) is detachably mounted inside the external cooling accessory 200. The external cooling accessory 200 is equipped with a power terminal 252a and a communication terminal 252b. The power terminal 252a enables power supply between the camera body 100 and the external cooling accessory 200. The communication terminal 252b enables communication between the camera body 100 and the external cooling accessory 200.

[0034] Figure 3 shows the external view of the camera body 100 and the external cooling accessory 200. Figure 3(a) is a front view of the camera body 100 without the external cooling accessory 200 attached. Figure 3(b) is a front view of the camera body 100 with the external cooling accessory 200 attached, i.e., the camera system consisting of the camera body 100 and the external cooling accessory 200.

[0035] The state shown in Figure 3(a) is used when internal cooling of the camera body 100 is not required. Since the external cooling accessory 200 does not need to be attached, it has the advantage of being highly portable for users who do not need cooling of the camera body 100.

[0036] The external cooling accessory 200 is secured by removing the battery cover 124 from the camera body 100 and engaging the tripod mount 123 with the tripod screw 202. When the fan 204 is driven, a flow path is formed from the accessory intake port 205 to the main body exhaust port 126a, as indicated by arrow F. This cools the heat inside the camera body 100 when the fan 204 is running.

[0037] As explained above, the external cooling accessory 200 should only be attached to the camera body 100 when internal cooling of the camera body 100 is required. By giving users the option to attach or detach the external cooling accessory 200 according to their needs, it is possible to achieve both portability of the camera body 100 and cooling performance as needed.

[0038] Figure 4 is a system diagram of the camera body 100 and the external cooling accessory 200. Figure 4(a) is a system diagram of the camera body 100 in the state shown in Figure 3(a), and Figure 4(b) is a system diagram of the camera body 100 and the external cooling accessory 200 in the state shown in Figure 3(b).

[0039] The main circuit board 142 is a printed wired board (PWB) on which various components, such as the CPU 143 which is a heat-generating component, are mounted. The CPU 143 controls the operation of the entire camera body 100 and controls each functional block of the camera body 100 and performs the necessary calculations according to the computer program loaded from the memory 152. The power supply 150 supplies power to each circuit part within the camera body 100. The image sensor 141 is composed of a CCD or CMOS sensor and outputs an image signal by photoelectric conversion of the optical image of the subject. The image signal output from the image sensor 141 is converted into image data by the image processing unit 151 and output to the CPU 143. The shutter 156 is located in front of the image sensor 141 and adjusts the exposure time of the image sensor 141. The shutter control unit 154 drives the shutter 156 based on the signal input from the CPU 143. When the user operates the mode switching switch 104, the operation detection unit 157 outputs a signal to the CPU 143 to change shooting conditions such as exposure and shutter speed.

[0040] The user can select their desired video recording mode from several video recording modes by operating the mode switch 104. Video recording modes include, for example, a high-quality mode and a low-quality mode. When recording video in low-quality mode, the heat generated by electronic components such as the image sensor 141 and CPU 143 is small, allowing for longer video recording times. On the other hand, when recording video in high-quality mode, the processing load on the image sensor 141 and CPU 143 is high, resulting in increased heat generation in electronic components and media (not shown). If the heat generation exceeds the permissible temperature, it can cause thermal runaway or a reduction in product lifespan, necessitating a shorter video recording time. In such cases, an external cooling accessory 200 can be attached to the camera body 100.

[0041] The external cooling accessory 200 comprises a power supply 250, a control board 251, and a connection terminal 252. It is connected to the camera body 100 via the connection terminal 252 and a connection terminal 150 provided on the camera body 100, enabling power supply and communication. The power supply 250 supplies power to each circuit in the camera body 100 via the connection terminal 252. The control board 251 drives the fan 204 based on signals input from the CPU 143.

[0042] The internal configuration and cooling method of the camera body 100 will be described below. Figure 5 is an explanatory diagram of the inside of the camera body 100. Figure 5(a) is an exploded perspective view of the inside of the camera body 100 as seen from the front, without the external cooling accessory 200 attached. Figure 5(b) is a perspective view of the inside of the camera body 100 as seen from the front, with the external cooling accessory 200 attached. Figure 5(c) is a cross-sectional view of Figure 5(b) along line BB. Figure 5(d) is a magnified view of part C in Figure 5(c).

[0043] The rear exterior member 125 includes an interior surface 125bb which is the back surface of the exterior surface 125ba of the storage compartment, and a wall portion 125c formed to protrude in the Z direction from the interior surface 125bb of the storage compartment. The sheet metal member (heat dissipation member) 127 is positioned inside the housing, facing the back surface of the camera body 100 (the surface of the rear exterior member 125 on the side of the exterior surface 125ba) and the opposite side (the surface of the rear exterior member 125 on the side of the interior surface 125bb of the storage compartment). The outer circumference of the sheet metal member 127 is formed along the wall portion 125c of the rear exterior member 125. In this embodiment, the sheet metal member 127 is assumed to be made of aluminum alloy, but this is not limited to this. A first cushioning member (first sealing member) 128 is attached to the wall portion 125c, which is positioned between the sheet metal member 127 and the wall portion 125c. The sheet metal member 127 is fixed to the wall surface 125c in the Z direction by a fastening member 129 via the first cushion member 128.

[0044] The first CPU (second heat-generating member) 143a and the second CPU (first heat-generating member) 143b are arranged on the sheet metal member 127 side of the main circuit board 142 in the Z direction. The first CPU 143a and the second CPU 143b have different heat generation capacities. In this embodiment, the first CPU 143a generates less heat than the second CPU 143b. A first heat dissipation member (second heat dissipation member) 144a is placed between the sheet metal member 127 and the first CPU 143a, and a second heat dissipation member (first heat dissipation member) 144b is placed between the sheet metal member 127 and the second CPU 143b. The first heat dissipation member 144a is in thermal contact with the first CPU 143a and transfers the heat emitted from the first CPU 143a to the sheet metal member 127. The second heat dissipation member 144b is in thermal contact with the second CPU 143b and transfers the heat emitted from the second CPU 143b to the sheet metal member 127. In this embodiment, the first heat dissipation member 144a is assumed to be thermal conductive rubber and the second heat dissipation member 144b is assumed to be a graphite sheet, but this is not limited to this. The side exterior member 126 has a protrusion 126b formed on the back surface of the surface on which the main body exhaust port 126a is provided, protruding in the X direction. A second cushion member (second sealing member) 130 is attached to the tip surface of the protrusion 126b.

[0045] In this embodiment, by forming the main body intake port 125a on the rear exterior member 125 and the main body exhaust port 126a on the side exterior member 126, it is possible to suppress the enlargement of the rear exterior member 125. As a result, it is possible to lighten the camera body 100. In addition, by forming the main body intake port 125a and the main body exhaust port 126a on separate exterior members, the degree of freedom in positioning the main body intake port 125a and the main body exhaust port 126a can be increased.

[0046] In this embodiment, the main unit air intake 125a is located on the bottom surface, which has fewer operating members than the top and back surfaces as described in Figure 1, and the main unit exhaust 126a is located on the left side when the camera body 100 is viewed from the back. This makes it possible for the user to operate the camera body 100 without blocking the main unit air intake 125a and the main unit exhaust 126a.

[0047] The thickness of the first cushion member 128 is greater than the clearance in the Z direction between the wall portion 125c and the sheet metal member 127. As a result, when the sheet metal member 127 is fixed to the wall portion 125c by the fastening member 129, the first cushion member 128 is always pressed in the Z direction. With this configuration, a first duct (first flow path) 131 is formed in the camera body 100 from the main body air intake 125a to the confluence portion 127a via the outer circumference shape of the sheet metal member 127. The first duct 131 can be sealed by the pressing of the first cushion member 128 and the second cushion member 130.

[0048] The accessory cushion member 207 is positioned so as to overlap with the outer circumference of the main body air intake port 125a in the Y direction. The thickness of the accessory cushion member 207 is greater than the clearance in the Y direction between the accessory casing 201 and the rear casing member 125 and the bottom casing member 132. As a result, when the external cooling accessory 200 is attached to the camera body 100, the accessory cushion member 207 is always pressed in the Y direction. With the above configuration, when the fan 204 is driven, airtightness from the accessory exhaust port 206 to the main body air intake port 125a is ensured, and a flow path indicated by arrow F in the figure is formed from the accessory air intake port 205 to the first duct 131. In order to ensure this flow path is sufficiently clear, the clearance in the Z direction between the inner surface 125bb of the storage section constituting the first duct 131 and the sheet metal member 127 is made greater than the thickness of the sheet metal member 127.

[0049] The heat generated by the first CPU 143a and the second CPU 143b is transferred to the sheet metal member 127 via the first heat dissipation member 144a and the second heat dissipation member 144b, respectively. The heat from the sheet metal member 127 is cooled by the air flowing from the accessory air intake 205 to the first duct 131. In shooting modes where the heat generated by the heat source of the camera body 100, including the first CPU 143a and the second CPU 143b, is small, the external cooling accessory 200 is not attached. On the other hand, in shooting modes where the heat generated is large, a camera system is constructed in which the external cooling accessory 200 is attached and the fan 204 is driven. This makes it possible to improve heat dissipation while ensuring the portability of the camera body 100, and increases the user's options.

[0050] Figure 6 is a side view of the camera body 100. Figure 6(a) shows the camera with the terminal cover 105 removed. Figure 6(b) shows the camera with the terminal cover 105 attached.

[0051] The camera body 100 has a USB terminal (first connection part) 145 and an HDMI® terminal (second connection part) 146. The USB terminal 145 and the HDMI terminal 146 are positioned to be exposed through an opening in the side exterior member 126. When not in use, the USB terminal 145 and the HDMI terminal 146 are protected by a terminal cover 105. In this embodiment, the area (projected area) of the HDMI terminal 146 on the side exterior member 126 is larger than that of the USB terminal 145. The main body exhaust port 126a is positioned behind the USB terminal 145 in the Z direction and above the HDMI terminal 146 in the Y direction. By positioning the main body exhaust port 126a in the space freed up by the difference in area between the USB terminal 145 and the HDMI terminal 146, it is possible to prevent the terminal cover 105 from expanding to the rear in the Z direction and to make the camera body 100 smaller and lighter in the Z direction. The USB terminal 145 and the HDMI terminal 146 may be mounted on the main circuit board 142, or on a circuit board (not shown) arranged parallel to the main circuit board 142.

[0052] Figure 7 is an internal view of the camera body 100. Figure 7(a) is a cross-sectional view along line DD of Figure 6(b). Figure 7(b) is an enlarged view of section E of Figure 7(a). Figure 7(c) is an exploded perspective view of the inside of the camera body 100, seen from the rear.

[0053] In this embodiment, the second CPU 143b generates more heat than the first CPU 143a. The wall portion 125c constitutes the wall of the first duct 131 and includes a bent portion 125d that forcibly bends the air entering from the main intake port 125a toward the main exhaust port 126a. The second CPU 143b is positioned near the main intake port 125a side relative to the bent portion 125d. Generally, the pressure is higher on the outside of a flow path and lower on the inside, so the flow velocity is higher on the inside and lower on the outside. Within the first duct 131, as indicated by arrow F, a flow path is formed where the inside has a higher flow velocity on the second CPU 143b side and the outside has a lower flow velocity on the first CPU 143a side. As described above, by increasing the flow velocity near the second CPU 143b, which generates more heat, the amount of heat dissipated by the second CPU 143b can be efficiently increased within the limited flow path.

[0054] The second cushioning member 130 is positioned in the X direction between the confluence portion 125e of the rear exterior member 125, the confluence portion 127a of the sheet metal member 127, and the confluence portion 128a of the first cushioning member 128 and the protruding portion 126b of the side exterior member 126. When the side exterior member 126 is attached to the camera body 100 facing the X direction, the thickness of the second cushioning member 130 is greater than the clearance in the X direction between the protruding portion 126b and the confluence portions 125e, 127a, and 128a. As a result, when the side exterior member 126 is attached to the camera body 100 facing the X direction, the second cushioning member 130 is always pressed in the X direction. With the above configuration, when the fan 204 is running, airtightness is ensured from the first duct 131 to the main body exhaust port 126a, and as shown in Figure 7(a), it is possible to form a flow path indicated by arrow F from the main body intake port 125a to the main body exhaust port 126a.

[0055] The multi-controller 109, rear electronic dial 110, SET button 111, first to fourth button groups 113-116, and grip portion 121 are positioned so as not to overlap with the first duct 131 when viewed from the Z direction. Furthermore, the first CPU 143a, which generates less heat than the second CPU 143b, is positioned close to the grip portion 121. In this embodiment, the thermal conductivity of the first heat dissipation member 144a is made lower than that of the second heat dissipation member 144b. In this way, the heat sources, the first CPU 143a and the second CPU 143b, and the sheet metal member 127 that receives their heat are intentionally kept away from the user's touch in the X and Y directions.

[0056] With the above configuration, the heat dissipation of the first CPU 143a and the second CPU 143b by the air from the fan 204 can be efficiently performed, while preventing the rear exterior component 125 from becoming excessively hot in a short period of time.

[0057] This embodiment includes the following configuration. (Composition 1) An imaging device having a cooling device equipped with a means for blowing air, Heat-generating component, A first exterior member that constitutes the first surface of the exterior of the housing and has a first opening formed therein, A second exterior member having a second surface different from the first surface of the exterior, and having a second opening formed therein, A heat dissipation member is positioned inside the housing, facing the surface opposite to the first surface, for cooling the heat generated from the heat generating member, A first sealing member is disposed between the first exterior member and the heat dissipation member, The first exterior member and the second sealing member disposed between the heat dissipation member and the second exterior member are included. The first exterior member, the second exterior member, and the heat dissipation member form a first airflow path between the first opening and the second opening. The first sealing member is positioned in a state where it is pressed by the first outer casing member and the heat dissipation member. The imaging device is characterized in that the second sealing member is positioned in a state of being pressed by the first outer casing member, the second outer casing member, and the heat dissipation member. (Configuration 2) The first surface is the back surface of the imaging device, The imaging apparatus according to configuration 1, characterized in that the second surface is a side surface of the imaging apparatus. (Composition 3) An image sensor that converts the optical image of the subject into photoelectric power, The second surface is provided with a first connection part and a second connection part for connecting to an external device, The second connection portion is formed to have a larger projected area than the first connection portion. The imaging apparatus according to configuration 1 or 2, characterized in that the second aperture is positioned to overlap the second connection portion in a direction perpendicular to the imaging surface of the image sensor. (Composition 4) The imaging apparatus according to any one of configurations 1 to 3, characterized in that the cooling device is detachably attached to the bottom surface of the imaging apparatus. (Composition 5) An image sensor that converts the optical image of the subject into photoelectric power, A control element operated by the photographer, It further includes a gripping member that the photographer holds, The imaging apparatus according to any one of configurations 1 to 4, characterized in that the operating member and the gripping member are arranged in a position that does not overlap with the first flow path when viewed from a direction perpendicular to the imaging surface of the image sensor. (Composition 6) First heating element and A second heating element that generates less heat than the first heating element, A first heat dissipation member that is in thermal contact with the first heat generating member, The device further comprises a second heat dissipation member that is in thermal contact with the second heat generating member, The first flow path is in thermal contact with the first heat dissipation member and the second heat dissipation member. The first flow path includes a bent portion, The imaging apparatus according to any one of configurations 1 to 5, characterized in that the first heating element is positioned closer to the bent portion than the second heating element. (Composition 7) It further includes a gripping member that the photographer holds, The imaging apparatus according to configuration 6, characterized in that the first heating element is positioned further away from the gripping element than the second heating element. (Composition 8) It further has a display unit that displays various information, A storage surface for housing the display unit is formed on a part of the first surface. The imaging apparatus according to any one of configurations 1 to 7, characterized in that the first flow path is formed by the surface opposite to the housing surface, the second exterior member, and the heat dissipation member. (Composition 9) An imaging device described in any one of configurations 1 to 8, A camera system characterized by having a cooling device equipped with a means for blowing air and detachable from the imaging device. (Composition 10) The camera system according to configuration 9, characterized in that the cooling device comprises a third opening formed on a third surface opposite to the surface on which the first opening is formed, a fourth opening formed on a fourth surface different from the third surface of the cooling device, and a third sealing member positioned on the outer circumference of the third opening in a state of being pressed between the surface on which the first opening is formed and the third surface. (Composition 11) Inside the cooling device, a second airflow path is formed from the fourth opening through the blowing means to the third opening. The camera system according to configuration 10, characterized in that the first channel and the second channel are connected via the first opening and the third opening.

[0058] Although preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various modifications and changes are possible within the scope of its gist. [Explanation of Symbols]

[0059] 100 Camera body (imaging device) 125 Rear exterior component (first exterior component) 125a Main unit air intake port (first opening) 126 Side exterior member (second exterior member) 126a Main unit exhaust port (second opening) 127 Sheet metal components (heat dissipation components) 128 First cushioning member (first sealing member) 130 Second cushioning member (second sealing member) 131 First duct (first flow path) 143 CPU (heat-generating component) 200 External cooling accessories (cooling devices) 204 Fan (Air blowing method)

Claims

[Claim 1] Heat-generating component, A first exterior member that constitutes the first surface of the housing exterior and has a first opening formed therein, A second exterior member having a second surface different from the first surface of the exterior, and having a second opening formed therein, A heat dissipation member is positioned inside the housing, facing the surface opposite to the first surface, for cooling the heat generated from the heat generating member, An image sensor that converts the optical image of the subject into photoelectric power, First heating element and A second heating element that generates less heat than the first heating element, A first heat dissipation member that is in thermal contact with the first heat generating member, The invention comprises a second heat dissipation member that is in thermal contact with the second heat generating member, The first exterior member, the second exterior member, and the heat dissipation member form a first airflow path between the first opening and the second opening. The first flow path is in thermal contact with the first heat dissipation member and the second heat dissipation member, The first flow path includes a bent portion, The imaging device is characterized in that the first heating element is positioned closer to the bent portion than the second heating element.

Images