WO2011078090A1 - 工業用小型電子撮像カメラ - Google Patents
工業用小型電子撮像カメラ Download PDFInfo
- Publication number
- WO2011078090A1 WO2011078090A1 PCT/JP2010/072800 JP2010072800W WO2011078090A1 WO 2011078090 A1 WO2011078090 A1 WO 2011078090A1 JP 2010072800 W JP2010072800 W JP 2010072800W WO 2011078090 A1 WO2011078090 A1 WO 2011078090A1
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- WIPO (PCT)
- Prior art keywords
- substrate
- camera
- external interface
- board
- connector
- Prior art date
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
Definitions
- the present invention relates to an industrial small electronic imaging camera having an external interface cable connection mechanism suitable for application to a machine vision system.
- a small electronic imaging camera with a box-shaped housing structure with a side of about 20 to 30 mm occupies a large space for the external interface connector in the housing. Since it is difficult to secure a space at a plurality of locations in the housing, the external interface connector is fixed at one location of the housing.
- an external interface connector is provided on the back (rear surface) of the box camera housing so that the external interface cable is pulled out from the back (rear surface) of the box camera housing in the extending direction along the optical axis direction. It was. Therefore, conventionally, the drawing direction of the external interface cable connected to the external interface connector is determined in one direction, and the drawing direction of the cable cannot be changed.
- the room space of the imaging chamber formed inside the camera housing is very narrow, and in addition to the sensor substrate, It was difficult to secure a mounting space for accommodating the control board and the power board.
- a connector rotation mechanism is provided on one side of the outer casing that can be rotated around two axes perpendicular to the outer casing.
- a video camera with a high degree see Patent Document 1.
- the cable drawing direction can be varied, but the mechanism for rotatably supporting the wired connector is complicated, and there are problems in terms of economy and reliability.
- the connector mounting portion is determined in advance of the housing. Therefore, the above-described degree of freedom and versatility are caused.
- the conventional small electronic imaging camera for machine vision has a problem in terms of versatility as a product and lacks flexibility in changing the camera environment setting. Further, in order to integrate the camera functions, it is difficult to mount a plurality of circuit boards such as a control board and a power supply board in addition to the sensor board in the camera housing.
- the present invention has been made in view of the above circumstances, and in an industrial compact electronic imaging camera equipped with a connection mechanism for an external interface cable, which is applied to a machine vision system, the external interface cable can be pulled out with an economically advantageous configuration.
- the control board that controls the sensor board and the power supply for operation of the sensor board and the control board can be controlled in addition to the sensor board. It is an object of the present invention to provide an industrial small electronic imaging camera that can accommodate a power supply board to integrate camera functions and can expect highly reliable circuit operation.
- the present invention relates to a hexagonal box-shaped camera housing capable of attaching an external interface connector to an arbitrary surface portion for a plurality of surface portions excluding the front surface portion constituted by a lens mount, and the camera housing.
- a power supply board that is housed in the imaging chamber and that controls supply of operating power to the sensor board and the control board, and the control board and the power supply board have a plurality of columnar shapes with a central portion bulging.
- the two-stage POP (Package On Package) substrate is formed by the resin core solder balls that are integrally solder-bonded with a certain distance between the opposing substrate surfaces and connected to each other in a circuit.
- the camera housing includes an imaging window, a lens mount that forms a front surface portion of a box camera housing having a hexahedral structure, and each side of the lens mount.
- a cross-sectional U-shape constituting any three side surface portions or any two side surface portions and the back surface portion of the camera housing, which can be attached to the lens mount by changing the side around a vertical axis parallel to the optical axis of the imaging window.
- a substrate attachment mechanism for accommodating and supporting a plurality of substrates in an imaging chamber formed inside the camera housing, and is attached to the lens mount and is attached to any one side of the camera housing
- a board mounting frame that constitutes a part
- a connector mounting bracket that is attached to the lens mount and constitutes one arbitrary side part of the camera casing or the rear part of the camera casing, and an external interface
- an external interface connector attached to the connector mounting bracket with the external connection terminal exposed to the outside and having the external connection terminal for connecting a chair cable, and the sensor mount on the lens substrate
- the POP substrate is supported by the substrate mounting mechanism, and the sensor substrate and the POP substrate are accommodated in the imaging chamber.
- the POP substrate is mounted on one of the opposing substrate surfaces with an active circuit component that dissipates heat during operation, the upper surface of the active circuit component, A certain gap is formed by the resin core solder ball between the other substrate surface facing one substrate surface.
- the POP substrate has the resin core solder balls disposed on both sides of the active circuit component, and the gap generates heat dissipated from the active circuit component. A waste heat path leading to the core solder ball is formed.
- an industrial small electronic imaging camera provided with a connection mechanism for an external interface cable can be easily assembled with an economically advantageous configuration by arbitrarily selecting the direction in which the external interface cable is drawn.
- a highly versatile industrial small electronic imaging camera can be provided.
- the imaging chamber in the camera housing can accommodate a control board that controls the sensor board and a power board that controls the supply of operation power for the sensor board and the control board.
- FIG. 2 is a side sectional view showing the camera assembly structure (after assembly) shown in FIG.
- FIG. 2 is a perspective view showing a part (after assembly) of the camera assembly structure shown in FIG. 1.
- FIG. 3 is a side sectional view showing the camera assembly structure (after assembly) shown in FIG. FIG.
- FIG. 3 is a perspective view showing a part (after assembly) of the camera assembly structure shown in FIG. 2.
- the perspective view which shows the camera assembly structure in the case of pulling out an external interface cable from the back part of a housing
- the perspective view which shows the external appearance structure of the camera assembly structure (after assembling) in the case of drawing out an external interface cable from the back part of a housing
- casing in the said embodiment The perspective view which shows the camera assembly structure in the case of drawing out an external interface cable from the lower side part of a housing
- casing in the said embodiment The disassembled perspective view for demonstrating the assembly procedure in the case of drawing out an external interface cable from the back surface part of a housing
- the perspective view which shows the external appearance structure of the camera assembly structure (after assembling) in the case of drawing out an external interface cable from the back part of a housing
- casing in the said embodiment The side view for demonstrating the assembly procedure in the case of drawing out an external interface cable from the side part of a housing
- FIG. 1, FIG. 2, FIG. 3A, and FIG. 4A show the camera assembly structure of an industrial small electronic imaging camera according to an embodiment of the present invention.
- FIG. 1 (disassembled perspective view) shows an assembly structure in the case where an external interface connector is provided on the rear surface (rear surface) of the hexagonal box-shaped camera housing and the external interface cable is drawn from the rear surface of the box-shaped camera housing.
- FIG. 3A side sectional view
- an external interface connector is provided on an arbitrary side surface portion (upper, lower, left, or right side surface portion) of the box-type camera case, and the side surface of the box-type camera case
- FIG. 2 partially exploded perspective view
- FIGS. 4A side sectional view
- the camera assembly structure shown in FIGS. 1 and 3A is referred to as a rear cable lead assembly structure
- the camera assembly structure shown in FIGS. 2 and 4A is referred to as a side cable lead assembly structure.
- an industrial small electronic imaging camera has an imaging window 101 and a front surface of a box-shaped camera casing 1 having a hexahedral structure.
- the lens mount 10 that constitutes the lens mount, and any side of the lens mount 10 that can be attached to the lens mount 10 by changing the sides around the vertical axis parallel to the optical axis O1 of the imaging window 101.
- a three-sided cover 30 having a U-shaped cross section that constitutes the three side surfaces or two arbitrary side surfaces and the back surface, and a substrate mounting mechanism that accommodates and supports a plurality of substrates in the imaging chamber 2 formed inside the camera housing 1.
- a substrate mounting frame 20 which is attached to the lens mount 10 and forms an arbitrary one side surface portion of the camera housing 1, and an arbitrary one side surface portion or camera of the camera housing 1 attached to the lens mount 10 Case 1
- a connector mounting bracket 40 that constitutes a back surface portion and an external connection terminal 51 that connects an external interface cable, and an external interface connector 50 that is attached to the connector mounting bracket 40 with the external connection terminal 51 exposed to the outside. It is comprised.
- the connector mounting bracket 40 to which the lens mount 10, the substrate mounting frame 20, the three-face cover 30, and the external interface connector 50, which are constituent elements of the box camera housing 1 described above, are attached to the rear cable lead assembly structure and the side surface, respectively. It is a casing component common to the cable drawer assembly structure.
- a box-shaped camera case 1 having a four-piece cubic structure in which a connector can be provided is realized.
- FIG. 3A and FIG. 3A and the side cable lead assembly structure shown in FIGS. 2 and 4A, as is clear from the comparison of FIG.
- the direction of the external connection terminal 502 led out from the connector terminal lead-out hole 403 is upside down as shown in FIGS. 3B and 4B. Accordingly, the direction of the terminal arrangement on the connection end surface 503 of the external connection terminal 502 is also reversed.
- the connector mounting bracket 40 when the connector mounting bracket 40 has a rear cable lead assembly structure that constitutes the rear portion of the camera casing 1, the external connection provided in the external interface connector 50 is provided.
- the cable connection direction of the terminal 502 is parallel to the optical axis O1 (the connection end surface 503 of the external connection terminal 502 is orthogonal to the optical axis O1), and the connector mounting bracket 40 is the right side, left side, and upper side of the camera housing 1.
- the side cable lead assembly structure is one of the lower side surfaces
- the cable connection direction of the external connection terminal 502 is orthogonal to the optical axis O1 (the connection end surface 503 of the external connection terminal 502 is the optical axis O1). Parallel to).
- the connector mounting bracket 40 When the connector mounting bracket 40 has a rear cable lead assembly structure that constitutes the rear portion of the camera housing 1, the connector mounting bracket 40 is attached to the lens mount 10 via the substrate mounting frame 20 as shown in FIGS. 1 and 3A. In addition to being fixed with screws, it is fixed to the lens mount 10 with screws through the three-surface cover 30, and the connector mounting bracket 40 constitutes one of the right side, left side, upper side, and lower side of the camera housing 1. 2 and 4A, the connector mounting bracket 40 is directly screwed and fixed to the lens mount 10, and the lens is provided via the three-surface cover 30 and the board mounting frame 20. The mount 11 is fixed with screws. Note that a part of the screw T used for screwing and fixing is omitted.
- the lens mount 10 has a lens frame portion 102 with a top mark 103 around the imaging window 101 on the front surface exposed to the outside, and two parallel to two orthogonal sides at each corner of the four sides of the back surface. It has screw fixing pieces 104, 105, 106, 107 each having screw holes (thread holes). By using a total of eight screw holes of the screw fixing pieces 104, 105, 106, 107, the lens mount 10, the board mounting frame 20, the three-face cover 30, and the connector mounting bracket 40 to which the external interface connector 50 is attached are mutually connected.
- An assembly structure of a box-shaped camera housing in which the imaging chamber 2 is formed is configured by screwing and fixing.
- the top mark 103 always indicates the vertical direction on the imaging surface (described later) of the solid-state imaging device with respect to various assembly structures of the box-shaped camera housing.
- a top mark 103 is engraved on the lens frame 102.
- the board mounting frame 20 has a name plate attached to the front surface exposed to the outside, and two locking pieces 202 and 203 each having a screw insertion hole formed on the back surface, and a screw hole (screw hole), respectively.
- Two screw fixing pieces 201 and 204 are provided with two screw fixing pieces 201 and 204, and a board fixing piece 205 constituting a board mounting mechanism.
- the locking piece 202 is provided at the side b side corner on the side a
- the locking piece 203 is provided at the side b side corner on the side c.
- the locking pieces 202 and 203 are provided with screw fixing holes in a direction parallel to the side b.
- the screw fixing piece 201 is provided at the side d side corner on the side a, and the screw fixing piece 204 is provided at the side c side corner on the side d.
- the screw fixing piece 201 has a screw hole formed in a direction orthogonal to the side a, and the screw fixing piece 204 has a screw hole formed in a direction orthogonal to the side d.
- the substrate fixing piece 205 is provided on the side a, and a screw hole is formed in a direction parallel to the side a.
- the screw fixing piece 201 engages with the screw fixing hole 314 of the three-surface cover 30 when the rear cable drawing assembly structure is used, and engages with the screw fixing hole 315 of the three-surface cover 30 when the side cable extraction assembly structure is used.
- the locking piece 202 is screwed and fixed to the screw fixing piece 107 of the lens mount 10 when the rear cable drawing assembly structure is used, and the screw is fixed to the screw fixing piece 105 of the lens mount 10 when the locking piece 202 is the side cable drawing assembly structure. It is fixed.
- the locking piece 203 is screwed and fixed to the screwing fixing piece 106 of the lens mount 10 when the rear cable drawing assembly structure is used, and the screwing piece 203 is screwed to the screwing fixing piece 104 of the lens mount 10 when the side cable drawing assembly structure is used. It is fixed.
- the screwing fixing piece 204 engages with the screwing hole 411 of the connector mounting bracket 40 when the rear cable drawing assembly structure is formed, and engages with the screwing hole 311 of the three-sided cover 30 when the side cable drawing assembly structure is used. To do.
- the three-surface cover 30 is formed in a U-shaped cross section by an intermediate (center) surface portion 301 and both surface portions 302 and 303, and one end of the U-shape is on the same plane (the same surface), and the other end edge
- the edge of the intermediate surface portion 301 is formed to project (extend) from the edges of the surface portions 302 and 303 on both sides, and this projecting surface portion (extension portion) 304 serves as a cover for the overhang portion 402 (connector housing chamber 6).
- a mounting piece of the connector mounting bracket 40 (a piece fixed with a screw to the connector mounting bracket 40).
- screw fixing holes 311 are formed in corner portions on the surface portion 303 side of one end edge, and screw fixing holes 312 and 313 are formed in both corner portions of the other end edge.
- a screw retaining hole 314 is formed in a corner portion of the surface portion 302 on the surface portion 301 side, and a screw retaining hole 315 is formed in an end portion on the other end side of the surface portion 303.
- the terminal ends of the surface portions 302 and 303 on both sides of the three-surface cover 30 form notches 316 and 317 that fit into the locking pieces 202 and 203 provided on the board mounting frame 20.
- the screwing hole 311 is screwed and fixed to the screwing fixing piece 104 of the lens mount 10 when the rear cable drawing assembly structure is used, and the screwing hole 311 is formed on the screwing fixing piece 204 of the board mounting frame 20 when the side cable drawing assembly structure is used. Screwed and fixed.
- the screw holes 312 and 313 are screwed and fixed to the screw fixing pieces 406 and 407 of the connector mounting bracket 40.
- the screwing hole 314 is screwed and fixed to the screwing fixing piece 105 of the lens mount 10 when the rear cable drawing assembly structure is used, and the screwing hole 314 is formed on the screwing fixing piece 201 of the board mounting frame 20 when the side cable drawing assembly structure is used. Screwed and fixed.
- the connector mounting bracket 40 includes a mounting fixing piece 401, an overhang portion 402, a connector terminal lead-out hole 403, and a connector support portion 404, and a main body portion (connector main body) 501 of the external interface connector 50 is provided inside the overhang portion 402.
- a connector housing chamber 6 for housing is formed.
- the mounting and fixing piece 401 is screwed and fixed to the screwing and fixing piece 204 of the board mounting frame 20 when the rear cable drawing assembly structure is used, and the screwing and fixing piece 104 of the lens mount 10 when the side cable drawing and assembly structure is used.
- 105, 106, 107 are screwed holes 411 to be screwed and fixed.
- the overhanging portion 402 that overhangs the mounting fixing piece 401 forms a support frame portion of the connector.
- the overhanging portion 402 is provided with a connector terminal lead-out hole 403 for deriving the external connection terminal 502 of the external interface connector 50 to the outside on the overhanging surface parallel to the mounting surface of the mounting fixing piece 401.
- a connector support 404 that fits and supports the main body 501 is provided. At the overhanging end of the overhanging portion 402, screwing fixing pieces 406 and 407 for screwing and fixing the screwing holes 312 and 313 provided in the protruding surface portion 304 of the three-surface cover 30 are provided.
- the external interface connector 50 is screwed and fixed to the connector mounting bracket 40 by a pair of fastening screws 41, 41 with lock terminals.
- the fastening screws 41, 41 with lock terminals are fixed to the external connection terminal 502 when a connection plug (connector) of an external interface cable (not shown) is connected to the external connection terminal 502 of the external interface connector 50. It is provided with a lock terminal (terminal terminal) for tightening the plug.
- the external interface connector 50 constitutes a camera link connector conforming to the camera link standard.
- the imaging chamber 2 formed inside the above-described four-piece box camera housing 1 accommodates a lens mount built-in module 3 constituting a sensor module and a frame built-in module 4 constituting a control module.
- the main body portion 501 of the external interface connector 50 is accommodated in the connector accommodating chamber 6 formed in the protruding portion 402 of the connector mounting bracket 40 so as to communicate with the imaging chamber 2.
- the connector module 5 includes the connector mounting bracket 40 and the external interface connector 50 mounted on the connector mounting bracket 40.
- the lens mount built-in module 3 constituting the sensor module includes a lens mount 10, an O-ring 11, a flange back adjustment shim 12, and a rectangular imaging surface 13a constituting an area image sensor. 13, a device holder 14 that holds the solid-state imaging device 13, and a sensor substrate (rigid substrate) 15 that mounts the solid-state imaging device 13 via the device holder 14.
- the solid-state imaging device 13 is configured by a CCD (Charge-Coupled Device) or a CMOS image sensor (Complementary-Metal-Oxide-Semiconductor-Image-Sensor).
- a CCD is used for the solid-state imaging device 13, and the CCD 13 is mounted on the sensor substrate 15 via the device holder 14.
- the CCD 13 is adjusted in position by the shim 12 and fixedly supported on the sensor substrate 15 so that the rectangular imaging surface 13a is positioned at a position where the flange back on the optical axis O1 is secured.
- the shim 12 for adjusting the flange back is appropriately used as necessary in the optical adjustment work and may not be mounted by adjustment.
- the flange back (FB) is determined by the distance (flange focal distance) to the focal point (imaging surface 13a) with reference to the opening end (lens flange surface) of the imaging window 101 provided on the lens mount 10.
- the lens mount built-in module 3 is formed by inserting the sensor substrate 15 on which the CCD 13 is mounted via the device holder 14 with the ring 11 and the shim 12 interposed therebetween and screwing and fixing to the lens mount 10 using the device holder 14 as a fixing support member. Is configured.
- the frame built-in module 4 constituting the control module includes a board mounting frame 20, a control board (rigid board) 21, and a power supply board 22.
- the control board 21 and the power supply board 22 are physically joined together by a plurality of cylindrical resin core solder balls (barrel type resin core solder balls) SB that are overlapped with each other and the center part bulges.
- the POP (Package (On Package) substrate having a two-stage structure is configured by circuit connection. A POP substrate using this barrel-shaped resin core solder ball SB will be described later with reference to FIGS. 16, 17A, and 17B.
- the POP board constituted by the control board 21 and the power supply board 22 is screwed and fixed to the board fixing piece 205 of the board mounting frame 20, and the control board 21 and the power supply board 22 stand up on the surface of the board mounting frame 20.
- the frame built-in module 4 constituting the control module is configured by being supported and fixed to the board mounting frame 20.
- the connector module 5 and the frame built-in module 4 are connected to each other by a connector-connecting flexible printed wiring board (external interface flexible printed wiring board) 23 via a connector so that the frame built-in module 4 and the lens mount are connected.
- the built-in module 3 is connected to the built-in module 3 by a sensor circuit flexible printed wiring board 25 via a connector.
- the external interface flexible printed wiring board 23 has an IC component 24 for signal processing in the middle.
- the flexible printed wiring board 25 for the sensor circuit has such a length that the frame built-in module 4 and the connector module 5 can be folded into the lens mount built-in module 3 so that the frame built-in module 4 and the connector module 5 can rotate around a vertical axis parallel to the optical axis O1. Have.
- FIG. 5A to FIG. 9B show the assembled state of the rear cable drawer assembly structure and the side cable drawer assembly structure and the external configuration after the assembly in the camera assembly structure described above.
- FIG. 5A shows an assembled state when the connector module 5 is provided on the back (rear) portion of the box-shaped camera housing 1
- FIG. 5B shows an external configuration after the incorporation.
- the board mounting frame 20 constitutes the bottom surface of the camera housing 1.
- FIG. 6A shows an assembled state when the connector module 5 is provided on the upper surface of the box-shaped camera housing 1
- FIG. 6B shows an external configuration after the incorporation.
- the board mounting frame 20 forms the bottom surface of the camera housing 1 in the same manner as the assembly structure shown in FIGS. 5A and 5B.
- FIG. 7A shows an assembled state when the connector module 5 is provided on the lower surface portion of the box-shaped camera housing 1
- FIG. 7B shows an external configuration after the incorporation.
- the board mounting frame 20 constitutes the upper surface portion of the camera housing 1.
- FIG. 8A shows an assembled state when the connector module 5 is provided on the left side of the box-shaped camera housing 1 (based on the camera housing), and FIG. 8B shows an external configuration after the assembly.
- the board mounting frame 20 constitutes the right side surface portion of the camera housing 1.
- FIG. 9A shows an assembled state when the connector module 5 is provided on the right side of the box-shaped camera housing 1 (based on the camera housing), and FIG. 9B shows an external configuration after the assembly.
- the board mounting frame 20 constitutes the left side surface portion of the camera housing 1.
- FIG. 10A to FIG. 12B show the assembly procedure of the above-described rear cable lead assembly structure
- FIG. 13A to FIG. 15 show the assembly procedure of the side cable lead assembly structure.
- the external interface flexible printed wiring board 23 in which the frame built-in module 4 and the connector module 5 are connected in circuit is folded as shown in FIGS. 11A and 11B, and the connector mounting bracket 40 is engaged with the board mounting frame 20.
- the lens mount built-in module 3 is built into the frame built-in module 4, and the cushion members C1 and C2 are inserted, so that the three-face cover 30 is attached to the lens mount built-in module 3 and the frame built-in module. 4 and the connector module 5 are fixed with screws.
- the sensor circuit flexible printed wiring board 25 is folded and the gap between the sensor board 15 and the control board 21 is obtained. It is stored in.
- the industrial small electronic imaging camera having the rear cable lead assembly structure shown in FIG. 12B is configured (see FIG. 5B).
- the external connection terminal 502 of the external interface connector 50 to which the external interface flexible printed wiring board 23 is soldered is connected to the connector terminal lead-out hole 403 of the connector mounting bracket 40.
- the connector module 5 is constituted by being led out of the connector housing chamber 6 and screwed and fixed to the connector mounting bracket 40 by the fastening screws 41 and 41 with lock terminals.
- the direction of the external connection terminal 502 inserted into the connector terminal lead-out hole 403 with respect to the connector mounting bracket 40 is upside down.
- the external interface flexible printed wiring board 23 extended from the connector module 5 is connected to the control board 21 of the frame built-in module 4 by a connector, and a cushion material C4 is attached to the power supply board 22. .
- the external interface flexible printed wiring board 23 in which the frame built-in module 4 and the connector module 5 are connected in a circuit is folded as shown in FIGS. 14A and 14B, and the lens mount built-in module 3 as shown in FIG. Is assembled into the frame built-in module 4, and the three-surface cover 30 is screwed and fixed to the lens mount built-in module 3, the frame built-in module 4, and the connector module 5.
- the frame built-in module 4 is placed on the optical axis of the lens mount built-in module 3 depending on whether the external interface connector 50 is provided on the right side, left side, upper side, or lower side of the camera housing 1.
- the flexible printed wiring board 25 for sensor circuit has a length that allows multiple folding, and the lens mount built-in module 3 and the frame built-in module 4 are connected to each other in a circuit connection state.
- the cable drawing direction can be arbitrarily changed to any of the right side surface, the left side surface, the upper side surface, and the lower side surface.
- control cable 21 and the power supply board 22 are formed as POP boards on the surface of the board mounting frame 20 constituting one surface portion of the camera housing 1, and are supported in the standing state.
- the POP substrate is mounted in the same arrangement so as to overlap the sensor substrate 15 incorporated in the lens mount built-in module 3. Board mounting space can be minimized.
- control board 21 and the power supply board 22 are not connected to each other by connectors, and the POP board structure using the barrel-shaped resin core solder balls SB that is robust against thermal deformation and pressure deformation is used. 22 can be connected to the circuit while maintaining a stable state over a long period of time, and can be firmly and integrally coupled at a predetermined interval between the substrates.
- the sensor board 15 and the control board are constituted by the same arrangement mounting means of the sensor board 15 and the POP board in both the rear cable lead assembly structure and the side cable lead assembly structure and the POP board structure using the barrel-shaped resin core solder balls SB. 21 and the power supply board 22 could be mounted in the imaging chamber 2 of the ultra-small camera casing 1 having a size of about 20 mm square.
- the control board 21 has an active circuit component P ⁇ b> 1 that dissipates heat during operation on the board surface facing the power supply board 22. Solder the power supply board 22 and the control board 21 by arranging the barrel-shaped resin core solder balls SB on both sides of the pattern forming face of the power supply board 22 that faces the control board 21 and avoiding the face part facing the active circuit component P1. Soldered together by reflow process.
- control board 21 and the power supply board 22 are integrally coupled by the barrel-shaped resin core solder balls SB in a state where the barrel-shaped resin core solder balls SB are arranged on both sides of the active circuit component P1 mounted on the control board 21.
- a two-stage POP substrate is manufactured.
- P2 shown in FIG. 17A is a circuit component mounted on the component mounting surface of the control board 21, and
- P3 is a circuit component mounted on the component mounting surface of the power supply board 22.
- the two-stage POP board composed of the control board 21 and the power supply board 22 has barrel-shaped resin core solder balls SB arranged on both sides of the active circuit component P1.
- the dimension (ga) in the height direction perpendicular to the substrate surface of the barrel-shaped resin core solder ball SB to a value larger than the mounting height of the active circuit component P1
- the upper surface of the active circuit component P1 and the power source A gap (hr) having a constant interval (gb) can be formed between the substrate 22 and the pattern forming surface.
- the gap (hr) forms a waste heat path that guides the heat dissipated from the active circuit component P1 to the barrel-shaped resin core solder balls SB arranged on both sides of the active circuit component P1.
- FIG. 17B shows a POP board structure in the case where active circuit components that dissipate heat during operation are mounted on surfaces of the control board 21 and the power supply board 22 that face each other.
- the active circuit component Pa is mounted on the control board 21 and the circuit component Pb is mounted on the power supply board 22 so as to face each other.
- the active circuit component A gap (hr) having a constant interval (gd) can be formed between the upper surface of Pa and the upper surface of the circuit component Pc.
- Pb is a circuit component mounted on the component mounting surface of the control board
- Pd is a circuit component mounted on the component mounting surface of the power supply board 22
- gb is an upper surface of the active circuit component Pa and the power supply board 22.
- Gc is a gap formed between the upper surface of the circuit component Pc and the substrate surface of the control board 21.
- the mounting surface of the external interface connector can be any surface (rear surface, right side surface, right side surface) on the five surfaces excluding the front surface portion (lens mount) of the box camera housing.
- the external interface cable can be pulled out from the camera housing in the direction parallel to the optical axis of the camera, It can be pulled out in any direction, targeting 5 directions of left out, up out, and down out.
- the imaging chamber in the camera housing can house a control board that controls the sensor board and a power board that controls the supply of power for operation of the sensor board and the control board.
- a control board that controls the sensor board
- a power board that controls the supply of power for operation of the sensor board and the control board.
- SYMBOLS 1 Camera housing, 2 ... Imaging chamber, 3 ... Lens mount built-in module, 4 ... Frame built-in module, 5 ... Connector module, 6 ... Connector accommodation chamber, 10 ... Lens mount, 11 ... O-ring, 12 ... Shim DESCRIPTION OF SYMBOLS 13 ... Solid-state image sensor (CCD), 14 ... Device holder, 15 ... Sensor board, 20 ... Board mounting frame, 21 ... Control board, 22 ... Power supply board, 23 ... Flexible printed wiring board for external interfaces, 24 ... IC components 24, 25 ... Flexible printed wiring board for sensor circuit, 30 ... Three-sided cover, 40 ... Connector mounting bracket, 41 ... Fastening screw with lock terminal, 50 ...
- CCD Solid-state image sensor
- External interface connector 101 ... Imaging window, 102 ... Lens frame, 103 ... Top mark, 401 ... Mounting fixing piece, 402 ... Overhang, 403 ... Connector terminal lead-out hole 501 ... main body (connector body), 502 ... external connection terminal, 503 ... connection end face, O1 ... optical axis, SB ... resin core solder balls cylindrical shape the central portion bulges (barrel type resin core solder balls).
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Abstract
Description
前記撮像室に収容され、前記センサ基板および前記制御基板に動作用電源を供給制御する電源基板と、を具備し、前記制御基板と前記電源基板は、中央部分が膨出した円柱形状の複数個の樹脂コアはんだボールにより、対向する基板面の間に一定の間隔を存して一体にはんだ結合されるとともに相互に回路接続された二段構造のPOP(Package On Package)基板を構成している工業用小型電子撮像カメラを特徴とする。
Claims (5)
- レンズマウントにより構成される前面部を除いた複数の面部を対象に、任意の面部に外部インターフェイスコネクタを取付可能にした、六面体構造をなす箱形カメラ筐体と、
前記カメラ筐体の内部に形成された撮像室に収容された、固体撮像素子を実装したセンサ基板と、
前記撮像室に収容され、前記センサ基板に実装された前記固体撮像素子を駆動制御する制御基板と、
前記撮像室に収容され、前記センサ基板および前記制御基板に動作用電源を供給制御する電源基板と、
を具備し、
前記制御基板と前記電源基板は、中央部分が膨出した円柱形状の複数個の樹脂コアはんだボールにより、対向する基板面の間に一定の間隔を存して一体にはんだ結合されるとともに相互に回路接続された二段構造のPOP基板を構成していることを特徴とする工業用小型電子撮像カメラ。 - 前記カメラ筐体は、
撮像窓を有し、六面体構造をなす箱形カメラ筐体の前面部を構成するレンズマウントと、
前記レンズマウントの各辺に対し前記撮像窓の光軸と平行な垂直軸回りに辺を替えて前記レンズマウントに取付可能な、前記カメラ筐体の任意の三側面部若しくは任意の二側面部と背面部を構成する断面コ字状の三面カバーと、
前記カメラ筐体の内部に形成された撮像室に複数の基板を収容し支持する基板取付機構を有し、前記レンズマウントに取り付けられて前記カメラ筐体の任意の一側面部を構成する基板実装フレームと、
前記レンズマウントに取り付けられて前記カメラ筐体の任意の一側面部若しくは前記カメラ筐体の背面部を構成するコネクタ取付金具と、
外部インターフェイスケーブルを接続する外部接続端子を有し、該外部接続端子を外部に露出させて前記コネクタ取付金具に取り付けられた外部インターフェイスコネクタと、
を具備して構成され、
前記レンズマウントに、前記センサ基板が支持され、
前記基板取付機構に、前記POP基板が支持されて、前記センサ基板および前記POP基板が前記撮像室に収容されていることを特徴とする請求項1に記載の工業用小型電子撮像カメラ。 - 前記POP基板は、前記対向する基板面において、一方の基板面に動作時に熱を発散する能動回路部品が実装され、この能動回路部品の上面と、前記一方の基板面に対向する他方の基板面との間に、前記樹脂コアはんだボールにより、一定の間隙が形成されていることを特徴とする請求項1または2に記載の工業用小型電子撮像カメラ。
- 前記POP基板は、前記能動回路部品の両側に前記樹脂コアはんだボールを配設しており、前記間隙は前記能動回路部品から発散される熱を前記樹脂コアはんだボールに導く廃熱路を形成していることを特徴とする請求項3に記載の工業用小型電子撮像カメラ。
- 前記撮像室において、前記センサ基板と、前記POP基板は、前記センサ基板に対して前記POP基板を前記レンズマウントの光軸と平行な垂直軸回りに回動可能に多重折り込み可能な長さを有するセンサ回路用フレキシブルプリント配線板により接離可能に回路接続されていることを特徴とする請求項1または2に記載の工業用小型電子撮像カメラ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10839320.8A EP2464096B1 (en) | 2009-12-25 | 2010-12-17 | Small industrial electronic imaging camera |
KR1020127007975A KR101336456B1 (ko) | 2009-12-25 | 2010-12-17 | 공업용 소형 전자 촬상 카메라 |
CA2778180A CA2778180C (en) | 2009-12-25 | 2010-12-17 | Small industrial electronic imaging camera |
US13/421,393 US8605207B2 (en) | 2009-12-25 | 2012-03-15 | Small industrial electronic imaging camera provided with external interface cable |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009296194A JP4910039B2 (ja) | 2009-12-25 | 2009-12-25 | 工業用小型電子撮像カメラ |
JP2009-296194 | 2009-12-25 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/421,393 Continuation US8605207B2 (en) | 2009-12-25 | 2012-03-15 | Small industrial electronic imaging camera provided with external interface cable |
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WO2011078090A1 true WO2011078090A1 (ja) | 2011-06-30 |
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PCT/JP2010/072800 WO2011078090A1 (ja) | 2009-12-25 | 2010-12-17 | 工業用小型電子撮像カメラ |
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US (1) | US8605207B2 (ja) |
EP (1) | EP2464096B1 (ja) |
JP (1) | JP4910039B2 (ja) |
KR (1) | KR101336456B1 (ja) |
CA (1) | CA2778180C (ja) |
WO (1) | WO2011078090A1 (ja) |
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TWI468767B (zh) * | 2012-03-30 | 2015-01-11 | Sintai Optical Shenzhen Co Ltd | Thin lens module |
CN104471923A (zh) * | 2012-04-13 | 2015-03-25 | 黑魔法设计私人有限公司 | 相机 |
TWI468839B (zh) * | 2012-06-20 | 2015-01-11 | Hon Hai Prec Ind Co Ltd | 取像鏡頭固定結構 |
US9746636B2 (en) | 2012-10-19 | 2017-08-29 | Cognex Corporation | Carrier frame and circuit board for an electronic device |
US9513458B1 (en) | 2012-10-19 | 2016-12-06 | Cognex Corporation | Carrier frame and circuit board for an electronic device with lens backlash reduction |
JP2014191146A (ja) * | 2013-03-27 | 2014-10-06 | Panasonic Corp | 撮像装置 |
US8992102B1 (en) | 2014-01-06 | 2015-03-31 | Gopro, Inc. | Camera housing for a square-profile camera |
US9769361B2 (en) * | 2015-08-31 | 2017-09-19 | Adlink Technology Inc. | Assembly structure for industrial cameras |
US10410760B2 (en) * | 2016-01-11 | 2019-09-10 | Raytheon Company | Rigid-flex assembly for high-speed sensor module comprising a flexible wiring section with dual flexible strips stacked and attached together |
JP7228868B2 (ja) * | 2018-02-01 | 2023-02-27 | 株式会社谷沢製作所 | ヘルメット用カメラ及びヘルメット |
WO2019181825A1 (ja) * | 2018-03-22 | 2019-09-26 | 京セラ株式会社 | カメラモジュール |
EP3834039B1 (en) | 2018-08-07 | 2024-03-27 | GoPro, Inc. | Camera and camera mount |
USD905786S1 (en) | 2018-08-31 | 2020-12-22 | Gopro, Inc. | Camera mount |
USD894256S1 (en) | 2018-08-31 | 2020-08-25 | Gopro, Inc. | Camera mount |
USD920419S1 (en) | 2019-09-17 | 2021-05-25 | Gopro, Inc. | Camera |
USD946074S1 (en) | 2020-08-14 | 2022-03-15 | Gopro, Inc. | Camera |
CN114302033B (zh) * | 2021-12-01 | 2023-09-29 | 杭州海康威视数字技术股份有限公司 | 拍摄设备 |
CN114302034A (zh) * | 2021-12-01 | 2022-04-08 | 杭州海康威视数字技术股份有限公司 | 拍摄设备 |
WO2024105799A1 (ja) * | 2022-11-16 | 2024-05-23 | 三菱電機株式会社 | カメラユニット |
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Also Published As
Publication number | Publication date |
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KR101336456B1 (ko) | 2013-12-04 |
US8605207B2 (en) | 2013-12-10 |
EP2464096B1 (en) | 2018-08-22 |
US20120169918A1 (en) | 2012-07-05 |
JP2011139138A (ja) | 2011-07-14 |
EP2464096A1 (en) | 2012-06-13 |
KR20120050499A (ko) | 2012-05-18 |
JP4910039B2 (ja) | 2012-04-04 |
CA2778180A1 (en) | 2011-06-30 |
EP2464096A4 (en) | 2013-10-16 |
CA2778180C (en) | 2016-01-26 |
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