JP6216220B2 - Camera apparatus and photographing apparatus having the same - Google Patents

Description

  The present invention relates to a camera device that captures an image by converting an optical signal captured from a photographic lens into an electrical signal by an image sensor, and in particular, has a camera device characterized by the structure of an image sensor and an electric substrate formed around the image sensor. The present invention relates to a photographing apparatus.

  2. Description of the Related Art Conventionally, in a camera device having a configuration in which an imaging element and a control board that receives an electrical signal of the imaging element are connected by a flexible board, the flexible board is bent and attached.

  Further, it is general that the heat dissipating member is brought into contact with the heat generating body on the control board to dissipate heat to other members (for example, a camera housing).

  For example, Patent Document 1 discloses a structure in which a protective member is provided in a bent portion of a heat seal connector (synonymous with a flexible substrate) to prevent conduction failure and abnormal noise. Patent Document 2 discloses a structure in which a heat generating component and a heat radiating component in a substrate are arranged so as to be in contact with each other by transmission wiring.

JP-A-7-128679 JP 2009-224720 A

  However, in the prior art disclosed in the above-mentioned patent documents, since the protection structure of the flexible substrate and the heat dissipation structure of the heating element are independent from each other, the number of parts increases and the number of assembly steps also increases, and the structure of the camera device is increased. It becomes complicated.

  Further, in the case of a structure in which a flexible substrate is bent and a connector is connected to the substrate, there is a risk of causing problems such as disconnection of the connector or contact failure due to vibration or impact.

  Further, the element which is a heating element in the substrate is disposed in the central portion of the substrate, and the heat dissipation structure tends to be complicated.

  Accordingly, an object of the present invention is to provide a camera device that has both a simple structure and a function of radiating heat from a heating element in the board while preventing the flexible board connector from coming off and causing poor contact. And an imaging apparatus having the same.

To achieve the above object, a camera apparatus of the present invention is a camera device having a camera housing, and an image pickup device for converting incident light from the lens unit into an electric signal, and outputs it as an analog signal, the analog signal is input, the AD board AD conversion element is fixed for converting said analog signal into a digital signal, and resiliently bendable flexible substrate which connects the AD board and the imaging device, those on the flexible substrate contacting said elastic member and a heat radiating member contacting AD conversion element and a surface, wherein a fixing member fixed to the camera housing, the possess, the flexible substrate is a flexible substrate connector connected to the input connector of the AD board The flexible board connector is connected to the input connector, and the input connector and the elastic member Serial with the elastic member so as to sandwich the flexible board connector comes into contact with the flexible substrate, the heat radiating member is characterized by contacting the AD conversion element and the surface.

  According to the present invention, while having a simple configuration, a camera device capable of satisfying both a reinforcing structure for preventing disconnection and contact failure of a flexible board connector and a function of radiating heat from a heating element in the board, and the same Can be provided.

Sectional drawing of the camera apparatus showing the structure of a 1st Example Z view of FIG. 1 of the first fixing member and the elastic portion in the first embodiment. Sectional drawing of the camera apparatus showing the structure of 2nd Example Sectional drawing of the camera apparatus showing the structure of a 3rd Example

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view of a camera apparatus according to a first embodiment of the present invention.
The configuration of the camera according to the first embodiment of the present invention will be described below with reference to FIGS.

  In the figure, the lens device 100 and the camera housing 2 of the camera device 200 are fixed and integrated with a screw (not shown) or the like to constitute a photographing device.

  The camera housing 2 includes an image pickup device 3 and an image pickup device mounting plate 4. The image pickup device 3 and the image pickup device mounting plate 4 are integrated by bonding or the like. The image pickup device mounting plate 4 is formed by screws 5a and 5b. It is fixed to the housing 2.

  Flexible substrates 6a and 6b that can be elastically bent are connected to the image pickup element 3 by soldering or the like and fixed. Connectors (flexible substrate connectors) 12a and 12b are fixed to the other ends of the flexible substrates 6a and 6b, respectively. Analog electrical signals converted from incident light (subject light) and output by the image pickup device 3 are connectors 12a and 12b fixed to one end of a flexible board that is elastically bent so as to draw an arc, and the connectors 12a and 12b. Is input to the AD board 7 which is the first board through the input connector to which is connected. The connectors 12a and 12b are configured to be connected to the input connector of the AD board 7 by deforming the flexible boards 6a and 6b in a further bending direction. In the AD board 7, the analog signal is converted into a digital signal.

  The AD board 7 is held on an AD board mounting plate 8, and the AD board mounting plate 8 is fixed to the camera housing 2 with screws 9. On the AD board 7, AD conversion elements 10a and 10b for AD-converting an analog signal into a digital signal (performing predetermined signal processing on the input electric signal) are fixed. The AD conversion elements 10a and 10b are provided with heat radiating members 11a and 11b so as to be in surface contact with each other, and are attached to each other with a double-sided tape or the like.

  The second substrate 14 is fixed to the camera casing 2 by being fixed to the cover 21 fixed to the camera housing 2 with screws (not shown) via the support columns 15a and 15b. It is fixed. The second board 14 has a connector 16, is connected to a connector (output connector) 13 mounted on the AD board 7, and receives a digital signal converted from the AD board 7. In order to reduce the influence of noise on the analog signal caused by the digital signal processing circuit, the AD conversion elements 10a and 10b are arranged on the AD board 7 from the position where the input connector to which the analog signal is input is disposed. It is arranged near the position where the output connector 13 for outputting a digital signal to the substrate 14 is arranged.

  A first fixing member 17 having a shape obtained by bending a plate material is fixed to the camera housing 2 with screws 18. As shown in FIG. 2, which is a view seen from the Z direction in FIG. 1, the first fixing member 17 includes an elastic portion 17a formed by cutting a part of a plate material that is an elastic material, and a flat tip portion 17b. Have The elastic portion 17a contacts the connector 12a and presses the connector 12a toward the AD board. That is, in a state where the connector 12a is connected to the input connector of the AD board 7, the elastic portion (contact portion) 17a is sandwiched between the input connector and the elastic portion (contact portion) 17a in the connecting direction. Contacts the connector 12a. The tip portion 17b contacts the heat radiating member 11a. The elastic portion (contact portion) 17 a and the heat radiating member (contact portion) 11 a are formed on the same side with respect to the first fixing member 17.

  Further, a second fixing member 19 having a shape obtained by bending a plate material is fixed to the camera housing 2 with screws 20. The second fixing member 19 includes an elastic portion 19a formed by cutting a part of a plate material, similarly to the elastic portion 17a, and a flat tip portion 19b. The elastic portion 19a contacts the connector 12b and presses the connector 12b toward the AD board, and the tip portion 19b contacts the heat radiating member 11b. The elastic part (contact part) 19 a and the heat radiating member (contact part) 11 b are formed on the same side with respect to the second fixing member 19.

  The elastic portion 19a is configured to abut against the connector 12b and press the connector 12b to the AD board side (the input connector side of the AD board 7). However, the elastic part 19a does not necessarily have to be configured to press the connector 12b to the AD board side (input connector side of the AD board 7). What is necessary is just to be comprised so that the connector 12b may contact | abut to the connector 12b so that the connector 12b may not move to the direction from which the connection with an input connector is cancelled | released in the state which connected the connector 12b with the input connector of AD board | substrate 7. However, the first and second fixing members 17 and 19 are urged in a direction in which the heat radiating members 11a and 11b are also urged toward the AD conversion elements 10a and 10b, which are in the same direction as the elastic portions 17a and 19a. ing. Accordingly, in consideration of variations in dimensional manufacturing accuracy, etc., the elastic portion 19a is configured to press the connector 12b against the AD board side (input connector side of the AD board 7), thereby preventing the connector from coming off or poor contact. It can be made more reliable.

  With the above configuration, it is possible to realize the function to reinforce to prevent connector disconnection and contact failure and to dissipate heat from the heating element in the board with a single component at the same time. It becomes.

  Hereinafter, the configuration of the camera device according to the second embodiment of the present invention will be described with reference to FIG. 3, but the same functions as those in the first embodiment will be omitted, and only different items will be described.

  In the figure, 201 is a first fixing member, 202 is a second fixing member, and 203a and 203b are elastic members. The elastic members 203a and 203b are attached to the non-connection side of the connectors 12a and 12b with the input connector with a double-sided tape or the like. Accordingly, the first fixing member 201 and the second fixing member 202 are in contact with the elastic members 203a and 203b and indirectly in contact with the connectors 12a and 12b.

  In the above configuration, the elastic members 203a and 203b are added to the connectors 12a and 12b, which is different from the first embodiment.

  Further, the shape of the first fixing member 201 is obtained by deleting the elastic portion 17a of the first fixing member 17 shown in the first embodiment, and the shape of the second fixing member 202 is shown in the first embodiment. The second fixing member 19 is the same as the first embodiment except that the elastic portion 19a is omitted.

  With the above configuration, for example, when the elastic portion 17a of the first fixing member 17 shown in the first embodiment is manufactured, the manufacturing difficulty is increased. On the other hand, when the configuration of the present embodiment is used, a combination of general parts is used. Therefore, there is an effect that the manufacturing difficulty level can be kept low.

  In the present embodiment, the elastic members 203a and 203b are attached to the non-contact side of the connectors 12a and 12b with the input connector. However, the present invention is not limited to this configuration, and the elastic member Are fixed to the first fixing member 201 and the second fixing member 202, and the first fixing member 201 and the second fixing member 202 are in contact with the connectors 12a and 12b via elastic members. Also with this configuration, the effects of the present invention can be enjoyed.

FIG. 4 shows a camera apparatus according to a third embodiment of the present invention. Same as the second embodiment except that the first fixing member 301 is configured to have the radiation fins 301a and the second fixing member 302 is configured to have the radiation fins 302a. It is.
With the configuration shown in FIG. 4, the heat dissipation performance can be improved.

  In the above embodiment, the AD conversion elements 10a and 10b are exemplified as the heat generating elements mounted on the AD substrate. However, the present invention is not limited to this, and the effect of the present invention can be enjoyed by applying the present invention to a heating element mounted on a substrate other than the AD conversion element.

  As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to these embodiment, A various deformation | transformation and change are possible within the range of the summary.

2 Camera housing 3 Imaging device 6 Flexible substrate 7 AD substrate 10 AD conversion device 12 Connector 17 First fixing member 19 Second fixing member

Claims (8)

A camera device having a camera housing,
An image sensor that converts incident light from the lens device into an electrical signal and outputs it as an analog signal ;
An AD substrate to which the analog signal is input and an AD conversion element that converts the analog signal into a digital signal is fixed;
And the flexible substrate elastically bendable connecting the AD board and the imaging device,
A fixing member that includes an elastic member that contacts the flexible substrate and a heat dissipation member that is in surface contact with the AD conversion element;
I have a,
The flexible board includes a flexible board connector connected to an input connector of the AD board,
The elastic member abuts on the flexible substrate so that the flexible substrate connector is sandwiched between the input connector and the elastic member in a state where the flexible substrate connector is connected to the input connector, and the heat dissipation member is the AD converter A camera device that is in surface contact with an element . The camera device according to claim 1, wherein the fixing member has elasticity, and the elastic member is formed by cutting out a part of the fixing member. The flexible substrate includes an elastic member fixed on the flexible substrate,
The camera device according to claim 1, wherein the elastic member of the fixing member is in contact with the elastic member of the flexible substrate. The flexible substrate connector, by deforming in the direction of more bends the flexible substrate, any one of claims 1 to 3 wherein the AD configured to be connected to the input connector of the board, characterized in that The camera device described in 1. The elastic member and the heat radiating member, the formed on the same side with respect to the fixed member, that a camera apparatus according to any one of claims 1 to 4, characterized in. Than said AD converter is the input connector, a camera apparatus according to the digital signal to any one of claims 1 to 5 wherein is disposed close to the output connector to output from the AD board, characterized in that . The fixing member comprises a heat dissipating fin, a camera apparatus according to any one of claims 1 to 6, characterized in that. Lens apparatus and a photographing apparatus and a camera apparatus according to any one of claims 1 to 7.

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