JPH0998319A - Video camera equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize miniaturization and light weight for the entire equipment and to improve the cooling efficiency of each circuit board. SOLUTION: A case 3 is provided with a cooling fan 9 generating a flow path of a cooling wind from one end to other end, and a main circuit board 7 arranged to one side in the case in parallel with a flow path of a cooling wind generated from the cooling fan 9. Furthermore, a mechanism deck circuit board 6C, a camera card circuit board 8A and a VTR card circuit board 8B arranged in parallel with the flow path of the cooling wind generated from the cooling fan 9 and connected removably orthogonal to the main circuit board 7 are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video camera device used for recording a video information signal obtained by capturing an image with a solid-state image sensor on an information recording medium such as a magnetic tape.

[0002]

2. Description of the Related Art A video camera device uses a solid-state image pickup device composed of a charge-coupled device (hereinafter referred to as a CCD) to pick up an image formed by an image pickup lens or the like, and to obtain a CCD
The output video information signal is recorded on an information recording medium such as a video tape or a magneto-optical disk by a recording device.

For example, a video camera device using a video tape cassette as an information recording medium for a video information signal is generally described as follows.
A camera unit that captures an image, a microphone unit that captures sound, and a video tape recorder unit (hereinafter referred to as a VTR unit) that records a video information signal and an audio information signal output by the camera unit and the microphone unit on a video tape in the housing. Called.)
And a main circuit board connected and wired to the camera section, the microphone section, and the VTR section, and a plurality of card circuit boards respectively connected and arranged on the main circuit board.

The camera section has a CCD and an image pickup lens, and is connected to a camera card circuit board. VT
The R section has a mechanical deck having a drum head for recording a video information signal on a video tape and a driving mechanism for rotationally driving the drum head and a driving mechanism for running the video tape, and a mechanical deck for driving and controlling the mechanical deck. It comprises a card circuit board and a VTR card circuit board for controlling the recording operation of the video information signal.

[0005]

Generally, the conventional video camera device does not have a so-called plug-in structure in which the card circuit board is detachable from the main circuit board, but each circuit board is directly fixed to the device frame. There is. Therefore, this video camera device has a large number of harnesses for connecting and wiring the main circuit board and the card circuit board, resulting in extremely low productivity and workability of maintenance work, and low operation reliability of the device. There was a point.

In addition, a conventional video camera device is shown in FIG.
As shown in FIG. 5, a so-called plug-in type video camera in which a plurality of small card circuit boards 53 horizontally arranged with respect to a main circuit board 52 vertically arranged in a housing 51 are detachable There is a device 50.

However, this video camera device 50
By dividing the card circuit board 53 into smaller parts, the connection wiring between the card circuit boards 53 becomes complicated, the effective area of each card circuit board 53 decreases, and the number of connectors increases significantly. There was a problem that it would end up. Therefore, this video camera device 50
Was inconvenient for reducing the size and weight of the entire apparatus and reducing the manufacturing cost.

Further, in the video camera device 50, since each card circuit board 53 generates heat due to the operation of the camera section, the VTR section, etc., the card circuit board 53 is forcibly cooled to ensure good characteristics. There is a need to. Therefore, in the video camera device 50, it is considered that the main circuit board 52 and the card circuit board 53 are forcedly cooled by the cooling air by providing the cooling fan.

However, the video camera device 50 is
Card circuit board 53 accompanying downsizing of the entire device
Since the cooling path for the card circuit board 53 is divided due to the smaller size, there is a problem that the cooling efficiency of the card circuit board 53 is low.

In the video camera device 50, since the mechanical deck card circuit board 53 of the mechanical deck of the VTR section and the main circuit board 51 are connected by a plurality of connectors, the mechanical deck card circuit is connected to the main circuit board 52. Each circuit board 52, 5 in which the board 53 is detachable
There was a problem that the support structure of 3 was complicated.

Therefore, it is an object of the present invention to provide a video camera device capable of reducing the size and weight of the entire device and improving the cooling efficiency of each circuit board.

[0012]

In order to achieve the above object, a video camera device according to the present invention comprises a blower device for forming a cooling air flow passage from one end side to the other end side in a housing. , A main circuit board arranged on one side surface of the housing in parallel with a cooling air flow path formed by the air blower, and a main circuit board arranged in parallel with a cooling air flow path formed by the air blower. It is configured to include a sub-circuit board that is connected orthogonally to the circuit board. The sub circuit board is detachably connected to the main circuit board.

The video camera device according to the present invention is
An air blower that generates a flow path of cooling air from one end side to the other end side in the housing, and a main body that is disposed on one side surface portion inside the housing in parallel with the flow path of the cooling air generated by the air blower. Circuit board,
The sub-circuit board is arranged parallel to the flow path of the cooling air generated by the blower and is connected to the main circuit board at right angles. Then, the sub circuit board is arranged in parallel with the surface having the maximum area in the housing.

In the video camera device configured as described above, since the main circuit board and the sub circuit board are provided in parallel with the flow path of the cooling air from the blower, the cooling air is supplied to each circuit board. The circuit boards are cooled efficiently because they hit each other almost uniformly.

Further, in this video camera device, since the sub-circuit board is arranged in parallel with the surface having the maximum area in the housing, the effective area of the sub-circuit board can be efficiently secured and the inter-circuit boards can be efficiently secured. Since the connection is simplified, the space in the housing is effectively used and the overall size of the device can be reduced.

[0016]

DETAILED DESCRIPTION OF THE INVENTION A video camera device 1 according to a specific embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 1, the video camera device 1 includes a housing 3, a camera unit 5 for picking up an image, and a video information signal obtained by picking up the image of the camera unit 5 from a video tape cassette 4. The VTR section 6 for recording on the tape 4A, the main circuit board 7 connected and wired to the camera section 5 and the VTR section 6, and the card circuit board 8 arranged so as to be detachably connected to the main circuit board 7. And is configured.

The video camera device 1 also includes a cooling fan 9 for cooling the main circuit board 7 and the card circuit board 8 and a voltage converter 10 for converting and outputting a DC voltage.
And a connector box 11 provided with a plurality of connectors
It is comprised including. In the following description, the up-down direction shown in FIG. 1 is the up-down direction, and the right-left direction is the front-back direction.

As shown in FIG. 1, a carrying member 3A is provided above the housing 3 in parallel with the front-rear direction, and a battery pack 3B for supplying electric power is detachably attached to the rear. .

The camera section 5 includes a CCD 5A and an image pickup lens 5
It has B and a color separation prism 5C, and is arranged in the front of the housing 3. The camera unit 5 is also connected to a camera card circuit board 8A via a main circuit board 7.

The VTR section 6 has a drum head 6A for recording video information signals on the video tape 4A, and a drive mechanism for rotationally driving the drum head 6A and the video tape 4A.
A mechanical deck 6B composed of a drive mechanism for running the vehicle,
A mechanical deck circuit board 6C for driving and controlling the mechanical deck 6B and a VTR card circuit board 8B for controlling the recording operation of the video information signal are provided.

The mechanical deck 6B is, as shown in FIG. 1, a base chassis 6D which is arranged in parallel with the bottom surface side in the housing 3.
The video tape cassette 4 is provided vertically above and is loaded in a direction in which the longitudinal direction of the video tape cassette 4 is orthogonal to the base chassis 6D. The mechanical deck circuit board 6C is provided so as to be stacked in parallel with the mechanical deck 6B, and is detachably connected to a connector 7A provided on a main circuit board 7 described later. That is, the mechanical deck circuit board 6C is directly connected to the mechanical deck 6B to reduce the loss due to complicated connection wiring and to reduce the number of harnesses and interfaces between the circuit boards.

The main circuit board 7 is arranged in parallel with the bottom surface side of the housing 3, and has a connector 7A provided on the main surface.
A mechanical deck circuit board 6C, a camera card circuit board 8A, and a VTR card circuit board 8B are detachably connected to each other. Therefore, the main circuit board 7
It is mounted on the base chassis 6D by a mounting screw so that it has a play movable in the direction A shown in FIG.

Therefore, the main circuit board 7 is a mechanical deck 6B to which the mechanical deck circuit board 6C is assembled,
The camera card circuit board 8A and the VTR card circuit board 8B have a structure that can be easily connected to each other, which facilitates replacement work due to an assembly process, repair, and the like.

The card circuit board 8 is composed of a VTR card circuit board 8A and a camera card circuit board 8B, and a connector 8C is provided at one end thereof. As described above, each card circuit board 8A, 8B is
By connecting the connector 8C to the connector 7A of the main circuit board 7, they are arranged in parallel to each other at a predetermined interval in a state of being orthogonal to the main surface of the main circuit board 7. In addition, each card circuit board 8A, 8B
Are arranged in parallel with the side surface of the housing 3 having the largest area.

Further, in the housing 3, FIG. 2, FIG. 4 and FIG.
As shown in FIG. 5, board guide members 15A to 15D are arranged corresponding to both ends of the card circuit board 8. The board guide members 15A to 15D are provided with holding grooves for holding the card circuit boards 8A and 8B, respectively, and the card circuit boards 8A and 8B connected to the main circuit board 7 are provided in the holding grooves, respectively. Retained.

As shown in FIGS. 2 to 5, the cooling fan 9 is arranged above the front side of the housing 3 via a mounting member 9A, and the cooling air from the front side to the rear side in the housing 3 is cooled. To generate the flow path. Therefore, in the video camera device 1, the air sucked by the cooling fan 9 from the suction port (not shown) provided above the housing 3 is supplied to each of the circuit boards 6C and 8C.
After passing through the opposing gaps A and 8B, the sheet is discharged from a discharge port (not shown) provided on the rear side of the housing 3.

The voltage converter 10 is a so-called DC-DC converter that converts a DC voltage, and is arranged in the rear of the housing 3. The voltage converter 10 is detachably connected to a connector 7A provided on the main circuit board 7. The connector box unit 11 is arranged on the bottom surface on the rear side in the housing 3, and is detachably connected to the connector 7A provided on the bottom surface side of the main circuit board 7.

In the video camera device 1 configured as described above, the main circuit board 7 and the respective card circuit boards 8 are controlled by the direction in which the card circuit boards 8A and 8B are attached to and detached from the main circuit board 7 and the cooling air blown by the cooling fan 9.
A state in which A and 8B are cooled will be described with reference to FIG.

The video camera device 1 includes a main circuit board 7
The camera card circuit board 8A and the VTR card circuit board 8B are detachably connected to the connector 7A provided on the. Each of these card circuit boards 8
When A and 8B are detached from the main circuit board 7, they are easily detached by pulling them out in the B direction shown in FIG.

On the main circuit board 7, the mechanical deck circuit board 6C, and the card circuit boards 8A and 8B, the cooling air generated by the cooling fan 9 is arranged along the arrow direction shown in FIG. Through the facing gap. Therefore, the main circuit board 7, the mechanical deck circuit board 6C
The card circuit boards 8A and 8B are cooled by the cooling air, so that the heat generated by the drive control is efficiently removed.

As described above, according to the video camera device 1 of the embodiment, the main circuit board 7, the mechanical deck circuit board 6C, and the card circuit boards 8A and 8B are arranged in parallel with the flow path of the cooling air by the cooling fan 9, respectively. By being arranged, the cooling efficiency of the main circuit board 7, the mechanical deck circuit board 6C, and the card circuit boards 8A and 8B cooled by the cooling fan 9 is improved.

Further, the video camera device 1 includes a housing 3
Since the mechanical deck circuit board 6C and the respective card circuit boards 8A and 8B are arranged in parallel with the side surface having the largest area, the effective area of the mechanical deck circuit board 6C and the respective card circuit boards 8A and 8B is improved. Since the card circuit boards 8A and 8B are well secured and the number of harnesses can be reduced and the number of connectors can be reduced, the entire apparatus can be reduced in size and weight.

Further, in this video camera device 1, the mechanical deck circuit board 6C and the respective card circuit boards 8A and 8B are detachably connected to the main circuit board 7 so that the main circuit board 7 is provided. 7 circuit board for mechanical deck 6C and each card circuit board 8
Since the work efficiency of the assembling process of assembling A and 8B is improved, the productivity is improved and the manufacturing cost can be reduced.

Furthermore, this video camera device 1 is
Since the mechanical deck circuit board 6C and the card circuit boards 8A and 8B can be easily attached to and detached from the main circuit board 7, the mechanical deck circuit board 6C and the card circuit boards 8A and 8B can be repaired or replaced. Improve the workability of maintenance work.

Although the video camera device 1 according to the present embodiment has a configuration in which the VTR unit 6 is provided as a recording device for recording the video information signal, the present invention is not limited to the VTR unit 6 and may be, for example, A recording device for recording a video information signal on a disk-shaped recording medium such as a magneto-optical disk may be provided.

[0036]

As described above, according to the video camera device of the present invention, the main circuit board provided in parallel with the flow path of the cooling air by the blower and the sub circuit provided in parallel with the flow path of the cooling air. By providing the circuit board, the flow path of the cooling air to the sub-circuit board is surely secured, so that the cooling efficiency of each circuit board by the air blower is improved.

Further, according to this video camera device,
Since the sub circuit board is detachably provided to the main circuit board, productivity is improved and workability of maintenance work of each circuit board is improved.

Further, according to the video camera device of the present invention, the sub-circuit board is arranged in parallel with the surface having the maximum area in the housing, so that the effective area of the sub-circuit board is efficiently provided in the housing. Since it is ensured and the sub-circuit boards are integrated, the connection between the circuit boards is simplified. Therefore, in this video camera device, the number of connectors and harnesses between the circuit boards can be greatly reduced, and the overall size and weight of the device can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective side view shown for explaining a configuration of an embodiment video camera device according to the present invention.

FIG. 2 is a perspective plan view showing the video camera device.

FIG. 3 is a perspective front view showing the video camera device.

FIG. 4 is a perspective right side view showing the video camera device.

FIG. 5 is a perspective left side view showing the video camera device.

FIG. 6 is a perspective view showing a main circuit board and a card circuit board included in the video camera device.

FIG. 7 is a perspective view showing a conventional video camera device.

[Explanation of symbols]

 1 Video Camera Device 3 Housing 4 Video Tape Cassette 4A Video Tape 7 Main Circuit Board 6C Mechanical Deck Circuit Board (Sub Circuit Board) 8A Camera Card Circuit Board (Sub Circuit Board) 8B VTR Card Circuit Board (Sub Circuit Board) 9 Cooling fan (blower)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Aiichiro Kawasaki 6-735 Kitashinagawa, Shinagawa-ku, Tokyo Sony Corporation

Claims (5)

[Claims] 1. A video camera device configured to record a video information signal obtained by imaging with a solid-state imaging device on a recording medium, wherein a flow of cooling air flows from one end side to the other end side in a housing. A blower device that generates a passage, a main circuit board that is disposed on one side surface of the housing in parallel with a cooling air flow passage that is generated by the blower device, and a cooling air flow passage that is generated by the blower device. And a sub circuit board that is connected to the main circuit board at a right angle, and the main circuit board and the sub circuit board are cooled by cooling air. 2. The air blower is provided on one end side in the longitudinal direction of the housing to generate a flow path of cooling air from one end side to the other end side inside the housing, and the main circuit board is the housing. 2. The video camera device according to claim 1, wherein a plurality of sub-circuit boards are arranged in parallel with one another in a longitudinal direction inside the body, with a predetermined interval. 3. The video camera device according to claim 1, wherein the sub-circuit board is detachably connected to the main circuit board. 4. A video camera device configured to record a video information signal obtained by imaging with a solid-state imaging device on a recording medium, wherein a flow of cooling air flows from one end side to the other end side in a housing. A blower device that generates a passage, a main circuit board that is disposed on one side surface of the housing in parallel with a cooling air flow passage that is generated by the blower device, and a parallel flow passage that is a cooling air flow that is generated by the blower device. A video camera device characterized in that it is provided with a sub circuit board that is orthogonally connected to the main circuit board, and that the sub circuit board is provided in parallel with a surface having the maximum area in the housing. . 5. The video camera device according to claim 4, wherein the sub circuit board is detachably connected to the main circuit board.