CN213876115U

CN213876115U - Double-layer compact optical module structure

Info

Publication number: CN213876115U
Application number: CN202023227877.4U
Authority: CN
Inventors: 翟因敏; 周书刚; 陈新鹏; 周俊文; 李勇
Original assignee: Fujian ZK Litecore Ltd
Current assignee: Fujian ZK Litecore Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-03
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a compact optical module structure of two-layer equation: comprises a shell, a module circuit board is arranged in the shell, the module circuit board comprises a main board and an auxiliary board, the main board and the auxiliary board are connected through a first flexible circuit board, a light receiving and emitting device is arranged in the front end of the shell, the light receiving and emitting device is connected with the module circuit board through a second flexible circuit board, the main board and the auxiliary board are distributed at intervals up and down, the main board and the auxiliary board are separated by arranging a heat conduction insulating gasket, the main board is connected with the side part of the auxiliary board through the first flexible circuit board, the utility model has reasonable design, the module circuit board is split into the main board and the auxiliary board, through the connection of the first flexible circuit board, the component chip and the like which need to be replaced and verified frequently are arranged on the auxiliary board, when the elements need to be replaced, only the auxiliary board needs to be replaced, the main board does not need to be changed, therefore, the cost of elements on the main board is greatly saved, the welding is convenient, and the internal space of the module is greatly increased by the double boards.

Description

Double-layer compact optical module structure

Technical Field

The utility model relates to a compact optical module structure of two-layer equation.

Background

The optical module is composed of an optoelectronic device, a functional circuit, an optical interface and the like, wherein the optoelectronic device comprises a transmitting part and a receiving part. In brief, the optical module functions as photoelectric conversion, a transmitting end converts an electrical signal into an optical signal, and a receiving end converts the optical signal into the electrical signal after the optical signal is transmitted through an optical fiber, and the optical module is developed along with the miniaturization, high density and function diversification of equipment, so that a PCBA integrated with various components is required to be assembled in a standard structure package, but because the volume of a circuit board is small and cannot hold all the components, and the shell volume of the optical module is standard, the development of the optical module and related equipment is greatly limited, the prior art is also realized by using a soft and hard combination board (an FPC is embedded in the PCBA and both are integrated), when elements on the module circuit board need to be replaced, the whole soft and hard combination board needs to be replaced, and in the product research and development stage, the replacement material (which verifies the performance of different chips) can be frequently replaced, the whole board replacement often causes great waste, and is also not beneficial to the maintenance of a circuit board of the module, so that the development of the optical module which can increase the internal space of the optical module and save the development cost and the maintenance cost is very necessary.

Disclosure of Invention

Based on the problem of above-mentioned prior art, the utility model provides a compact optical module structure of two-layer equation.

The invention solves the technical problem by adopting a double-layer compact optical module structure which comprises the following steps: the LED lamp module comprises a shell, wherein a module circuit board is arranged in the shell and comprises a main board and an auxiliary board, the main board and the auxiliary board are connected through a first flexible circuit board, a light receiving and transmitting device is installed in the front end of the shell, and the light receiving and transmitting device is connected with the module circuit board through a second flexible circuit board.

Further, interval distribution about mainboard and the subplate, the mainboard separates through setting up heat conduction insulating gasket between mainboard and the subplate, and the mainboard passes through first flexible circuit board with the lateral part of subplate and is connected.

Further, the casing includes epitheca, inferior valve, the subplate card is established in the inferior valve, the mainboard spiral shell is fixed on inferior valve terminal surface, the epitheca cover is located on the mainboard and the epitheca is fixed with the inferior valve joint.

Furthermore, a plug board is arranged on the rear side of the main board, and a slot for the plug board to extend out is formed in the rear side of the shell.

Furthermore, the light receiving and emitting device comprises a light emitting device and a light receiving device, the light emitting device and the light receiving device are sleeved on one electromagnetic shielding sheet, the number of the second flexible circuit boards is two, and the two second flexible circuit boards are respectively communicated with the light emitting device and the mainboard, and the light receiving device and the mainboard.

Furthermore, the front end of the shell is provided with an opening for the light emitting device and the light receiving device to extend out, and the shell is inserted with a device fixing buckle at the opening.

Further, all be provided with annular card shoulder on transmitting optical device, receiving optical device periphery, the electromagnetic shield piece supports and leans on annular card shoulder leading flank, and transmitting optical device, receiving optical device's front end stretches out through the opening, it is provided with the groove of stepping down to correspond transmitting optical device, receiving optical device on the device fixing buckle, the device fixing buckle is inserted and is fixed on the casing and the device fixing buckle supports and leans on annular card shoulder trailing flank.

Furthermore, the front end of the shell is provided with an unlocking structure, the unlocking structure comprises a pull ring and a sliding block, a groove is formed in the upper side of the front end of the shell, the pull ring is sleeved on the end portion of the front end of the shell, one side of the pull ring is rotatably connected into the groove, a slide way is arranged on the front side of the shell behind the rotation side of the pull ring, and the sliding block is connected with the slide way in a sliding mode.

Further, the bottom surface of the sliding block is provided with a semi-spring groove A along the moving direction of the sliding block, the upper end surface of the front side of the shell is correspondingly provided with a semi-spring groove B, the semi-spring groove A and the semi-spring groove B form a spring groove, the front side of the semi-spring groove A is provided with a spring fastener A, the rear end of the semi-spring groove B is provided with a spring fastener B, and a reset spring is arranged between the spring fastener A and the spring fastener B in the spring groove.

Furthermore, a concave crank is arranged in the middle of the rotating side of the pull ring, and a fixing block used for clamping the concave crank is arranged on the sliding block.

Compared with the prior art, the utility model discloses following beneficial effect has: reasonable in design, with module circuit board split mainboard and subplate, connect through first flexible circuit board, will need often to replace to change the component chip of verifying etc. and arrange on the subplate, it is when needs change component, only need to change the subplate can, the mainboard need not change to great the cost of having saved component on the mainboard, the welding is convenient moreover, and the biplate is great again the inner space of having increased the module.

Drawings

The following describes the present invention with reference to the accompanying drawings.

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the assembly structure of the present invention;

FIG. 3 is a schematic view of the structure of the assembly of the present invention (without the upper case);

FIG. 4 is a front sectional view of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 3;

FIG. 6 is a schematic diagram of a light receiving device structure;

fig. 7 is a schematic view of a device mounting clip structure.

In the figure: 1-upper shell; 2-a lower shell; 3, a main board; 4-a secondary plate; 6-a first flexible circuit board; 7-a second flexible circuit board; 8-light emitting devices; 9-a light receiving device; 10-electromagnetic shielding sheets; 11-device fixing buckle; 13-a pull ring; 14-a slide block; 15-a return spring; 16-annular clip shoulder; 17-a relief groove; 18-concave crank; 19-a trench; 20-a slide way; 21-spring clip B; 22-fixed block; 23-spring catch a.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1-7, a two-layer compact optical module structure: the LED lamp module comprises a shell, a module circuit board is arranged in the shell and comprises a main board 3 and an auxiliary board 4, the main board and the auxiliary board are welded through a first flexible circuit board 6, the main board and the first flexible circuit board, the auxiliary board and the first flexible circuit board are respectively welded through solder paste, a light receiving and transmitting device is installed in the front end of the shell, and the light receiving and transmitting device and the module circuit board are connected through a second flexible circuit board 7.

In this embodiment, the main board and the secondary board are distributed at intervals up and down, the main board and the secondary board are separated by arranging a heat-conducting insulating gasket, and the side portions of the main board and the secondary board are connected by a first flexible circuit board; the mainboard passes through the flexbile board circuit board with the subplate and is connected, and the flexbile board is connected through welded mode and stereoplasm circuit board, because the welding welds through the tin cream, only need carry out the welding of flexbile board stereoplasm board through the flatiron heating, and the dismouting is very convenient, uses heat conduction insulating gasket to separate between mainboard and the subplate, solves the problem of component contact short circuit firstly, secondly sets up the hot passageway between two circuit boards, conveniently conducts heat. The component chip that will need often to replace to change the verification etc. arrange on the subplate, when needs change the component be, only need to the subplate change can, the mainboard need not change to the great cost of having saved component on the mainboard, the welding is convenient moreover, the double plate great increase the inner space of module again.

In this embodiment, the casing includes epitheca 1, inferior valve 2, the subplate card is established in the inferior valve, the mainboard spiral shell is fixed on inferior valve terminal surface, the epitheca cover is located on the mainboard and the epitheca is fixed with the inferior valve joint, is provided with the fastener on the outer wall of inferior valve, corresponds the fastener on the epitheca inner wall and sets up the draw-in groove.

In this embodiment, the mainboard rear side is provided with the picture peg, the casing rear side is provided with and supplies the picture peg to stretch out the slot, can set up half slot respectively for epitheca, inferior valve rear end, through the folding up of epitheca, inferior valve for two half slots are synthetic a slot.

In this embodiment, the light receiving and emitting device includes a light emitting device 8 and a light receiving device 9, the light emitting device and the light receiving device are both sleeved on one electromagnetic shielding sheet 10, there are two second flexible circuit boards, and the two second flexible circuit boards are respectively communicated with the light emitting device and the motherboard, and the light receiving device and the motherboard.

In this embodiment, the front end of the housing is provided with two openings for the light emitting device and the light receiving device to extend out, the housing is inserted with a device fixing buckle 11 at the opening, and the device fixing buckle is used for fixing the light emitting device, the light receiving device and the electromagnetic shielding sheet.

In this embodiment, all be provided with annular card shoulder 16 on emitting optical device, the receiving optical device periphery, the electromagnetic shield piece supports and leans on annular card shoulder front side, and emitting optical device, receiving optical device's front end stretches out through the opening for the electromagnetic shield piece supports and leans on the edge of shell opening inboard under the annular card shoulder effect, it is provided with the groove of stepping down 17 to correspond emitting optical device, receiving optical device on the device fixing buckle, the fixed buckle of device is inserted and is fixed on the casing and the fixed buckle of device supports and leans on annular card shoulder rear side, so the fixed buckle of device prevents emitting optical device, receiving optical device and deviates from the rear side.

In this embodiment, the front end of the housing is provided with an unlocking structure, the unlocking structure includes a pull ring 13 and a slider 14, the upper side of the front end of the housing is provided with a groove 19, the pull ring is sleeved on the end portion of the front end of the housing, one side of the pull ring is rotatably connected in the groove, the front side of the housing is provided with a slide way 20 behind the rotation side of the pull ring, and the slide way is connected with the slider in a sliding manner.

In this embodiment, the bottom surface of the slider is provided with a half spring groove a along the slider moving direction, the upper end surface of the front side of the housing is correspondingly provided with a half spring groove B, the half spring groove a and the half spring groove B form a spring groove, the front side of the half spring groove a is provided with a spring fastener a23, the rear end of the half spring groove B is provided with a spring fastener B21, and a return spring 15 is arranged in the spring groove between the spring fastener a and the spring fastener B.

In this embodiment, the rotation side middle part of pull ring is provided with concave crank 18, slider upper portion front end is provided with and is used for the concave articulate fixed block 22 of joint, during the use, when the pull ring was not unblock, the slider was under reset spring's effect, and the preceding terminal surface of slider supports and leans on in concave articulate recess, when needs unblock, pulls open the slider, rotatory pull ring, and concave crank rotates, loosens the slider, and the slider slides in concave articulate recess, and the whole up end to the slider of concave articulate recess this moment, and the fixed block prevents concave crank to reply simultaneously, and then prevents the pull ring to reply.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the orientation or positional relationship indicated in any of the above-mentioned technical solutions of the present disclosure for indicating positional relationship, such as "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present disclosure, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present disclosure, and the term used for indicating shape applied in any of the above-mentioned technical solutions of the present disclosure includes a shape similar, analogous or approximate thereto unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. A double-layer compact optical module structure is characterized in that: the LED lamp module comprises a shell, wherein a module circuit board is arranged in the shell and comprises a main board and an auxiliary board, the main board and the auxiliary board are connected through a first flexible circuit board, a light receiving and transmitting device is installed in the front end of the shell, and the light receiving and transmitting device is connected with the module circuit board through a second flexible circuit board.

2. A dual-layer compact optical module structure as recited in claim 1, wherein: the mainboard and the auxiliary board are distributed at intervals from top to bottom, the mainboard and the auxiliary board are separated by arranging a heat conduction insulating gasket, and the mainboard is connected with the side part of the auxiliary board through a first flexible circuit board.

3. A dual-layer compact optical module structure as recited in claim 1, wherein: the casing includes epitheca, inferior valve, the subplate card is established in the inferior valve, the mainboard spiral shell is fixed on inferior valve terminal surface, the epitheca cover is located on the mainboard and the epitheca is fixed with the inferior valve joint.

4. A dual-layer compact optical module structure as recited in claim 1, wherein: the mainboard rear side is provided with the picture peg, the casing rear side is provided with and supplies the picture peg to stretch out the slot.

5. A dual-layer compact optical module structure as recited in claim 1, wherein: the transmitting and receiving optical device comprises a transmitting optical device and a receiving optical device, the transmitting optical device and the receiving optical device are sleeved on one electromagnetic shielding sheet, the number of the second flexible circuit boards is two, and the two second flexible circuit boards are respectively communicated with the transmitting optical device and the main board and the receiving optical device and the main board.

6. A dual-layer compact optical module structure as recited in claim 5, wherein: the front end of the shell is provided with an opening for the light emitting device and the light receiving device to extend out, and the shell is provided with a device fixing buckle at the opening.

7. A dual-layer compact optical module structure as recited in claim 6, wherein: all be provided with annular card shoulder on transmitting optical device, the receiving optical device periphery, the electromagnetic shield piece supports and leans on annular card shoulder leading flank, and transmitting optical device, receiving optical device's front end stretches out through the opening, it is provided with the groove of stepping down to correspond transmitting optical device, receiving optical device on the device fixing clip, the fixed buckle of device is inserted admittedly on the casing and the fixed buckle of device supports and leans on annular card shoulder trailing flank.

8. A dual-layer compact optical module structure as recited in claim 1, wherein: the improved shell is characterized in that an unlocking structure is arranged at the front end of the shell and comprises a pull ring and a sliding block, a groove is formed in the upper side of the front end of the shell, the pull ring is sleeved at the end of the front end of the shell, one side of the pull ring is rotatably connected into the groove, a slide way is arranged behind the rotating side of the pull ring on the front side of the shell, and the sliding block is connected into the slide way in a sliding mode.

9. A dual-layer compact optical module structure as recited in claim 8, wherein: the bottom surface of the sliding block is provided with a semi-spring groove A along the moving direction of the sliding block, the upper end surface of the front side of the shell is correspondingly provided with a semi-spring groove B, the semi-spring groove A and the semi-spring groove B form a spring groove, the front side of the semi-spring groove A is provided with a spring clamp A, the rear end of the semi-spring groove B is provided with a spring clamp B, and a reset spring is arranged between the spring clamp A and the spring clamp B in the spring groove.

10. A dual-layer compact optical module structure as recited in claim 9, wherein: the middle part of the rotating side of the pull ring is provided with a concave crank, and the sliding block is provided with a fixing block used for clamping the concave crank.