JP3912351B2 - Camera module connector - Google Patents

Description

  The present invention relates to a camera module connector having a solid-state image sensor, and more particularly to a camera module connector having a multi-functional shell that can be used for various functions while preventing the influence of electromagnetic noise on the camera module. It is.

  A conventional connector box (housing) 1 shown in FIG. 10 is configured by mounting connector pins 2a, 2a... On the outer wall surface and 2b, 2b. The connector box 1 is mounted on a camera module board (not shown), and the connector pins 2a, 2a,..., 2b, 2b... Are mounted by a reflow soldering process or the like. The camera module 3 is finally housed in the connector box 1, and contacts (not shown) of the camera module 3 and connector pins 2b, 2b,... (Not shown) or the like.

  However, there is a possibility that electromagnetic waves from the outside become noise and are superimposed on the sensor circuit (not shown) of the camera module 3 in this state, so that it is necessary to attach a shell (shielding shielding case) to shield the electromagnetic waves. is there.

As an example of the shield case of such a connector, for example, “shield type electrical connector and shield case thereof” disclosed in Patent Document 1 is known. FIG. 12 is a perspective view of a shield case disclosed in Patent Document 1, and is formed by punching and bending a conductive metal plate into a molded insulating housing 4 for a miniature Din connector having the same small size as the camera module connector described above. The shield case body 5 and the rear cover 6 are crowned to shield the whole, and the shield case body 5 includes both side plates 7 and 8, a front plate 9, and an upper plate 10. Crowned on both sides, front and top. On the other hand, the rear cover 6 has a flat plate-like rear plate 11 and a flange 12, and a pair of lock tabs 13a and 13a are inserted and locked into the slots 14a and 14b of the shield case body 5, and two pairs of lock tabs 15, The projection on the surface of 16 engages with the latch opening 17, and the shield case body 5 and the rear cover 6 are fitted and fixed to complete the shield case. The completed shield case is fixed by soldering by inserting soldering legs 18a, 18b, 18a, 18b into corresponding through holes on a substrate (not shown) to which a miniature Din connector is attached.
JP-A-8-222324 (pages 2, 3 and 1)

  However, the shield case of the miniature Din connector disclosed in Patent Document 1 is separated into a shield case body that is crowned on both side surfaces, a front surface, and an upper surface of the housing, and a rear cover that fits the shield case body. Since the (shell) is constructed, the structure is complicated, the use efficiency of the metal plate material is poor, the waste is increased, and the number of assembling steps is also increased. In terms of utilization, there was a problem that it did not contribute much to the enhancement of functions other than the effectiveness of shielding.

  Therefore, a technical problem to be solved in order to provide a camera module connector with an efficient shell that is simple in structure, has no waste of materials, requires less assembly time, and can be used to enhance various functions of the camera module connector. The present invention aims to solve this problem.

  The present invention has been proposed to achieve the above object, and the invention according to claim 1 is a solid-state imaging device, a lens unit having a lens for guiding light to the solid-state imaging device, the lens unit and the solid-state In a camera module connector in which a camera module having a lens holder to which an imaging element is attached is housed in a connector box and locked by a locking member, the entire peripheral side surface of the connector box is covered with a metal shell, A camera that engages and fixes the shell and the connector box by engaging the engagement member formed on the connector box and the engagement portion formed on the connector box, and engaging them with the elastic force applied to the engagement member. A module connector is provided.

  According to the first aspect of the present invention, the shell is covered on the peripheral side surface of the connector box, and the engaging member of the shell is engaged with the engaging portion provided in the bent portion of the connector box. Thus, both are engaged by the elastic force applied to the engaging member of the shell, and the shell is firmly fixed to the connector box.

  According to a second aspect of the present invention, there is provided a camera module connector, wherein the shell is entirely composed of two members.

  According to the second aspect of the invention, by dividing the shell into two parts and forming the shell with two members, the attachment process becomes easier than when the shell is formed with one member.

According to a third aspect of the present invention, there is provided a camera module connector wherein the shell is a camera module locking mechanism, a GND shared section with a connector pin, a board mounting terminal and a device casing and a shared GND folded tongue. It is.

According to the third aspect of the present invention, in addition to the shield, a locking member such as a lance for locking the camera module, a GND section to be brought into contact with the GND pin of the connector pin, a board-through-type board soldering terminal, and By adding or extending a folded tongue for soldering and grounding to the casing of the device, the shell can be formed as a composite part having various uses in addition to the shielding function.

  In the invention according to claim 1 of the present application, the entire peripheral side surface of the connector box is covered with a shell such as a metal plate, and the engaging member of the shell is engaged with and engaged with the engaging portion of the connector box. The advantage that the shielding effect is improved by blocking the influence on the inside of the camera module and the emission of unnecessary noise from the inside due to the incidence of electromagnetic noise from the outside to the camera module, and the operation is stabilized by reducing the influence of noise. There is.

  Further, in the invention described in claim 2, since the shell is divided and attached to two members, in addition to the effect of the invention described in claim 1, the forming and attaching work of the shell is facilitated and produced. Improves.

Further, an invention according to claim 3, wherein, by forming the soldering terminals to the substrate camera module substrate transmembrane like to extend the shell member, the enhancement of substrate mounting strength of the connector for the camera module Can be planned.

  Similarly, by extending the shell member to form a lock member that locks the camera module and the camera module connector, the terminal contact strength between the camera module and the camera module connector is enhanced and the connection is stabilized. Can be.

  Similarly, by extending the shell member and bringing it into contact with the GND pin, the grounding point of the sensor circuit of the camera module and the grounding point of the shell are made the same, and noise bypass in the operation of the electric circuit (side to GND) The effect of the noise is reduced by reducing the influence of noise by increasing the effect of the road) and stabilizing the operation of the camera module.

  Similarly, when the camera module connector is incorporated in an electronic device whose casing is extended (GND) type by extending the shell member, the GND point of the sensor circuit, the GND point of the shell, and the device By sharing the GND point of the housing, the noise bypass effect is enhanced to suppress the noise from entering each electronic / electrical circuit, and the influence of the noise is reduced to stabilize the operation of the electronic device.

  Furthermore, by increasing the mechanical strength by covering the connector box with the shell of the metal plate, the camera module is stably held to increase the kink strength and prevent distortion and deformation during assembly and use. Each effect can be expected.

  An object of the present invention is to cover a connector box with a shell, and to engage an engaging member of the shell with an engaging portion of the connector box for the purpose of shielding electromagnetic noise incident on the camera module. This was achieved by firmly bonding the box and the shell.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an overall perspective view of a camera module connector according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of the camera module connector shown in FIG.

  In FIG. 1, reference numeral 20 denotes a camera module connector. The camera module connector 20 has a shell (shield case) 22 made of a metal material in a connector box 21 to which connector pins 2a, 2a,. It is formed by coating and crimping.

  That is, as shown in FIG. 2, the camera module connector 20 is formed by superposing a shell 22 formed by punching and bending a metal plate into a substantially belt shape so as to cover the connector box 21 from the outside. The engaging members 24 and 24 of the shell 22 are engaged with the engaging portions 25 and 25 of the connector box 21 and firmly fixed.

  Therefore, the shell 22 is formed by projecting two claw-like engaging members 24, 24 as engaging members at an opposing bent portion obtained by bending a long and narrow metal plate into a quadrangle, and on the connector box 21 side. Since it is engaged and joined to the engaging portions 25 and 25 of the recess formed in the corner bent portion and is strongly fitted and fixed by the elastic force of the engaging members 24 and 24, The installation process is easy, requires less man-hours, and can be firmly fitted, contributing to improved productivity. The lock member 23 is a camera module lock member formed of the same member as the shell 22 such as a lance described later.

  In addition, the connector box 21 is covered only by the peripheral surface and open at the top and bottom surfaces of the connector box 21 by the shell 22 as compared with the shield case of the above-mentioned Patent Document 1, but all sources of electromagnetic noise are on the same substrate. Or it is radiated from elements, circuits, equipment, etc. installed on other boards (not shown) arranged in the horizontal direction, so it is sufficient to shield intensively in the radiation direction (horizontal direction) The bottom surface is shielded by a metal chassis of the equipment, and the incidence from the top surface is very small, so there is no need to shield the top and bottom surfaces, and a simple belt-like simple and minimal shape like the shell 22 is sufficient. Shielding effect can be obtained.

  Next, a second embodiment of the present invention will be described with reference to the drawings.

  FIG. 3 is a perspective view of the split shell of the camera module connector according to the second embodiment of the present invention.

  In the present embodiment, the shell is formed by one member. In this embodiment, the shell is divided and separated into two members, such as an L-shaped member 22a and an inverted L-shaped member 22b as shown in FIG. The mounting is also performed on the connector box 21 in two divided steps. The structure of the engaging member in this case is not particularly limited. For example, two members are punched into a L-shaped member 22a and an inverted L-shaped member 22b and bent, and the engaging members 24a, 24a, 24b, and 24b are formed and engaged and fixed to the engaging portions 25 and 25 of the connector box 21. Or the structure which forms engagement member 24a, 24a, 24b, 24b in the corner (folding part) on the opposite side to this is also possible.

  Next, a third embodiment of the present invention will be described with reference to the drawings.

  FIG. 4 is a view showing a camera module connector locking mechanism according to a third embodiment of the present invention.

When the camera module connector 20 as shown in FIG. 1 is mounted on the camera module connector 20 when the camera module connector 20 is mounted on a camera module substrate (not shown), etc. as shown in 4, lance 23 is engaged with the locking surface 28 of the camera module 27 is formed so as to completely lock by pressing the camera module 27 body.

  Next, a fourth embodiment of the present invention will be described with reference to the drawings.

  FIG. 5 is a cutaway perspective view of a camera module connector according to a fourth embodiment of the present invention.

  The front connector pins 2a, 2a,... Shown in FIG. 5 correspond to the lead lines of the processing circuit (or sensor circuit) (not shown) of the solid-state imaging device of the camera module 27. For example, the connector pins 29 Is a GND (GRAND) connection pin, if a part of the shell 22 is extended and brought into contact with the connector pin 29, both are soldered when mounted on a camera module board (not shown). , A ground land corresponding to GND is shared between the shell 22 and the sensor circuit (not shown) of the camera module by sharing a ground point, and both are grounded to the same ground point. The bypass effect of the high frequency current of the electromagnetic noise captured by the shell 22 is improved, and the electromagnetic noise wraps around the sensor circuit and the image signal It is possible to reduce the problem to be superimposed. As described above, the shell 22 can be used by being expanded to functions other than the shielding effect.

  Next, a fifth embodiment of the present invention will be described with reference to the drawings.

  FIG. 6 is a through-substrate perspective view of a camera module connector according to a fifth embodiment of the present invention.

  7 is an exploded perspective view of the camera module connector shown in FIG.

  The camera module connector shown in FIG. 6 is an example of a through-substrate type, and the entire camera module connector 30 is inserted and locked in an opening of a camera module substrate (not shown), and soldered. Connector pins 33a, 33a,..., 33b, 33b.

  That is, as shown in FIG. 7, a shell 32 is attached from below to a connector box 31 fitted with board soldering pins 33a, 33a, 33b, 33b, and mounted on a camera module board (not shown). The pins 33a, 33a ..., 33b, 33b ... and the terminals 34, 34 ... of the shell 32 are fixed by soldering.

  Thus, in addition to the shielding function of the shell 32, a function of increasing the mounting strength of the substrate can be provided.

  Next, a sixth embodiment of the present invention will be described with reference to the drawings.

  FIG. 8 is a view showing a shell form of a camera module connector according to the sixth embodiment of the present invention.

  FIG. 9 is a cutaway cross-sectional view of a device housing in which the shell shown in FIG. 8 is arranged.

  For example, the shell 40 shown in FIG. 8 is formed by extending the same member of the shell 40 to create a folding 41 and housing the camera module 42 as shown in FIG. The body chassis 43, 43, etc. are grounded directly by soldering or the like, and the sensor circuit of the camera module 42, the folds 41, 41 of the shell and the equipment housings 43, 43 are used as a common ground to enhance the bypass effect, The effect of noise can be reduced and the operation can be stabilized.

  Thus, in addition to the shielding effect, the function of the shell 40 can be expanded.

  It should be noted that the present invention can be variously modified without departing from the spirit of the present invention, and the present invention naturally extends to the modified ones.

1 is an overall perspective view of a camera module connector according to an embodiment of the present invention. FIG. 3 is an exploded perspective view of the camera module connector shown in FIG. 1. The perspective view of the division | segmentation shell of the connector for camera modules which concerns on the 2nd Embodiment of this invention. Sectional drawing which shows the locking mechanism of the connector for camera modules which concerns on the 3rd Embodiment of this invention. The notch perspective view of the connector for camera modules which concerns on the 4th Embodiment of this invention. The whole perspective view of the connector for camera modules concerning a 5th embodiment of the present invention. FIG. 7 is an exploded perspective view of the camera module connector shown in FIG. 6. The figure which shows the shell state of the connector for camera modules which concerns on the 6th Embodiment of this invention. FIG. 9 is a cutaway cross-sectional view of a device incorporating the shell shown in FIG. 8. The perspective view of the conventional connector box. The figure which accommodated the camera module in the connector box shown in FIG. The perspective view of the conventional shield type electrical connector and its shield case.

Explanation of symbols

2 Connector pin 20 Camera module connector 21 Connector box 22 Shell 23 Lock part (lance)
24 engaging member 25 engaging portion 27 camera module 28 locking surface 29 GND pin 30 board-through camera module connector 31 board-through connector box 32 board-through shell 33 board-through pin 34 shell soldering terminal 40 folding Shell 41 Folding part 42 Camera module 43 Chassis

Claims (3)

A camera module having a solid-state imaging device, a lens unit having a lens for guiding light to the solid-state imaging device, and a lens holder to which the lens unit and the solid-state imaging device are attached is housed in a connector box and locked by a locking member. In the camera module connector, the entire peripheral side surface of the connector box is covered with a metal shell, and the engagement member disposed on the shell and the engagement portion formed on the connector box are joined to each other to perform the engagement. A camera module connector, wherein the shell and the connector box are fitted and fixed by being engaged by an elastic force applied to a member.   The camera module connector according to claim 1, wherein the shell is entirely composed of two members. 3. The camera according to claim 2 , wherein the shell is a locking mechanism for a camera module, a GND shared section with a connector pin, a board mounting terminal, and a shared GND folded tongue piece soldered to a device casing. Module connector.

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