WO2023045290A1

WO2023045290A1 - Optical module

Info

Publication number: WO2023045290A1
Application number: PCT/CN2022/083409
Authority: WO
Inventors: 朱岩涛; 陈金磊; 司宝峰; 徐发部; 迟亚勋
Original assignee: 青岛海信宽带多媒体技术有限公司
Priority date: 2021-09-27
Filing date: 2022-03-28
Publication date: 2023-03-30

Abstract

An optical module (200), comprising: an upper housing (201), a lower housing (202), a circuit board (300), and optical transceiving sub-modules (400, 500). The lower housing (202) and the upper housing (201) are closed to form a wrapping cavity, and the circuit board (300) is disposed in the interior of the wrapping cavity. The lower housing (202) comprises a cover plate (2013) and a first upper side plate (2011) and a second upper side plate (2012) that are disposed on two sides of the cover plate (2013; and the upper housing (201) comprises a bottom plate (2023) and a first lower side plate (2021) and a second lower side plate (2022) that are disposed on two sides of the bottom plate (2023). The optical transceiving sub-modules (400, 500) are disposed in the interior of the wrapping cavity and are connected to one end of the circuit board (300). An inner wall of the bottom plate (2023) is provided with a first shielding baffle group (206), and an inner wall of the cover plate (2013) is provided with a second shielding baffle group (207). The first shielding baffle group (206) and the second shielding baffle group (207) form a plurality of reflections to electromagnetic radiation of the optical module (200), weakening electromagnetic radiation.

Description

optical module

This disclosure is required to be submitted to the China Patent Office on September 27, 2021, with the application number 202111135877.8, to be submitted to the China Patent Office on September 27, 2021, with the application number 202111137925.7, and to be submitted to the China Patent Office on September 27, 2021. Patent Priority No. 202122353725.7, the entire contents of which are incorporated by reference into this disclosure.

technical field

The present disclosure relates to the technical field of optical communication, in particular to an optical module.

Background technique

One of the core links of optical fiber communication is the mutual conversion of optical and electrical signals. Optical fiber communication uses optical signals carrying information to be transmitted in information transmission equipment such as optical fibers/optical waveguides, and the passive transmission characteristics of light in optical fibers/optical waveguides can be used to achieve low-cost, low-loss information transmission; and information processing equipment such as computers Electric signals are used. In order to establish an information connection between information transmission equipment such as optical fibers/optical waveguides and information processing equipment such as computers, it is necessary to realize mutual conversion between electrical signals and optical signals.

Contents of the invention

In a first aspect, the embodiment of the present disclosure discloses an optical module, and the optical module includes: an upper housing, a lower housing, a circuit board, and an optical transceiver sub-module. The upper casing includes a cover plate and a first upper side plate and a second upper side plate arranged on two sides of the cover plate. The lower casing is closed with the upper casing to form a wrapping cavity, and the lower casing includes a bottom plate and a first lower side plate and a second lower side plate arranged on two sides of the bottom plate. The circuit board is arranged inside the package cavity. The optical transceiver sub-module is arranged inside the package cavity, and the optical transceiver sub-module is connected to one end of the circuit board. One end of the bottom plate is provided with a first shielding protrusion, the cover plate is provided with a first isolation plate; the inner wall of the bottom plate is provided with a first shielding baffle group, and the inner wall of the cover plate is provided with a second shielding baffle A set; a through hole is provided between the first shielding protrusion and the first isolation plate, and one end of the circuit board passes through the through hole.

In a second aspect, the embodiment of the present disclosure discloses an optical module, and the optical module includes: an upper housing, a lower housing, an unlocker, and a side cover. The upper case includes: a cover plate, a first upper side plate and a second upper side plate; the first upper side plate is set on one side of the cover plate; the second upper side plate is set on the On the other side of the cover plate, the second upper side plate is located on the opposite side of the first upper side plate. The lower casing is closed with the upper casing to form a wrapping cavity, and the lower casing includes: a bottom plate, a first lower side plate and a second lower side plate. The bottom plate is arranged on the opposite side of the cover plate. The first lower side plate is arranged on one side of the bottom plate, and the first lower side plate is covered with the first upper side plate. The second lower side plate is disposed on the other side of the bottom plate, and the second lower side plate is covered with the second upper side plate. The unlocker is slidingly connected to the outer wall of the first lower side plate. The side cover is arranged on the outside of the unlocker, and the side cover is connected to the first lower side plate.

In a third aspect, the embodiment of the present disclosure discloses an optical module, including: an upper housing, a lower housing, a first optical transceiver sub-module, a second optical transceiver sub-module, and claws. The lower case is covered with the upper case to form a wrapping cavity. The second optical transceiver sub-module is located in the package cavity, the second optical transceiver sub-module is arranged above the lower housing, and one end of the second optical transceiver sub-module is provided with a second optical fiber adapter. The first optical transceiver sub-module is located in the package cavity, the first optical transceiver sub-module is arranged above the second optical transceiver sub-module, and one end of the first optical transceiver sub-module is provided with a first Fiber optic adapter. The claw includes a clamping plate and a clamping arm vertically arranged on one side of the clamping plate, the clamping plate is clamped with the lower housing; the clamping plate is provided with a first through hole and a second through hole, The second through hole is disposed below the first through hole; the first optical fiber adapter is connected to the first through hole; the second optical fiber adapter is connected to the second through hole.

Description of drawings

In order to illustrate the technical solutions in the present disclosure more clearly, the following will briefly introduce the accompanying drawings used in some embodiments of the present disclosure. Apparently, the accompanying drawings in the following description are only appendices to some embodiments of the present disclosure. Figures, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings. In addition, the drawings in the following description can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of signals, and the like.

Fig. 1 is a connection diagram of an optical communication system according to some embodiments;

Fig. 2 is a structural diagram of an optical network terminal according to some embodiments;

Fig. 3 is a structural diagram of an optical module according to some embodiments;

Figure 4 is an exploded view of an optical module according to some embodiments;

Fig. 5 is a first structural schematic diagram of a lower casing according to some embodiments;

Fig. 6 is a first cross-sectional schematic diagram of a lower casing according to some embodiments;

Fig. 7 is a first structural schematic diagram of an upper casing according to some embodiments;

Fig. 8 is a second structural schematic diagram of an upper casing according to some embodiments;

Fig. 9 is a second structural schematic diagram of a lower casing according to some embodiments;

Fig. 10 is a schematic cross-sectional structure diagram of an upper case and a lower case according to some embodiments;

Fig. 11 is a schematic structural diagram of a circuit board according to some embodiments;

Fig. 12 is a first schematic cross-sectional view of an optical module according to some embodiments;

Fig. 13 is a third structural schematic diagram of a lower casing according to some embodiments;

Fig. 14 is a schematic partial cross-sectional view of a lower housing according to some embodiments;

Fig. 15 is a schematic diagram of a claw structure according to some embodiments;

Fig. 16 is a schematic diagram of a partial structure of an optical transceiver assembly according to some embodiments;

Fig. 17 is a schematic structural diagram of an optical transceiver device, claws and a lower housing according to some embodiments;

Fig. 18 is a schematic diagram of a partial structure of an optical module according to some embodiments;

Fig. 19 is a schematic diagram of a partial structure of the lower housing of an optical module according to some embodiments;

Fig. 20 is a schematic diagram of the partial structure of Fig. 19;

Fig. 21 is a first structural schematic diagram of an unlocker according to some embodiments;

Fig. 22 is a second structural schematic diagram of an unlocker according to some embodiments;

Fig. 23 is a first structural schematic diagram of a side cover according to some embodiments;

Fig. 24 is a second structural schematic diagram of a side cover according to some embodiments.

Detailed ways

The technical solutions in some embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments provided in the present disclosure belong to the protection scope of the present disclosure.

In describing the present disclosure, it is to be understood that the terms "center", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer" etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation or be configured in a specific orientation. and operation, and therefore should not be construed as limiting the present disclosure.

Throughout the specification and claims, unless the context requires otherwise, the term "comprise" and other forms such as the third person singular "comprises" and the present participle "comprising" are used Interpreted as the meaning of openness and inclusion, that is, "including, but not limited to". In the description of the specification, the terms "one embodiment", "some embodiments", "exemplary embodiments", "example", "specific examples" example)" or "some examples (some examples)" etc. are intended to indicate that specific features, structures, materials or characteristics related to the embodiment or examples are included in at least one embodiment or example of the present disclosure. Schematic representations of the above terms are not necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be included in any suitable manner in any one or more embodiments or examples.

Hereinafter, the terms "first" and "second" are only configured for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present disclosure, unless otherwise specified, "plurality" means two or more.

In describing some embodiments, the expressions "coupled" and "connected" and their derivatives may be used. For example, the term "connected" may be used in describing some embodiments to indicate that two or more elements are in direct physical or electrical contact with each other. As another example, the term "coupled" may be used when describing some embodiments to indicate that two or more elements are in direct physical or electrical contact. However, the terms "coupled" or "communicatively coupled" may also mean that two or more elements are not in direct contact with each other, but yet still co-operate or interact with each other. The embodiments disclosed herein are not necessarily limited by the context herein.

"At least one of A, B and C" has the same meaning as "at least one of A, B or C" and both include the following combinations of A, B and C: A only, B only, C only, A and B A combination of A and C, a combination of B and C, and a combination of A, B and C.

"A and/or B" includes the following three combinations: A only, B only, and a combination of A and B.

The use of "configured to" herein means open and inclusive language that does not exclude devices configured to perform additional tasks or steps.

As used herein, "about", "approximately" or "approximately" includes the stated value as well as the average within the acceptable deviation range of the specified value, wherein the acceptable deviation range is as determined by one of ordinary skill in the art. Determined taking into account the measurement in question and the errors associated with the measurement of a particular quantity (ie, limitations of the measurement system).

In optical communication technology, light is used to carry information to be transmitted, and the optical signal carrying information is transmitted to information processing equipment such as a computer through optical fiber or optical waveguide and other information transmission equipment to complete the information transmission. Because optical signals have passive transmission characteristics when they are transmitted through optical fibers or optical waveguides, low-cost, low-loss information transmission can be achieved. In addition, the signals transmitted by information transmission equipment such as optical fibers or optical waveguides are optical signals, while the signals that can be recognized and processed by information processing equipment such as computers are electrical signals. To establish an information connection between them, it is necessary to realize the mutual conversion of electrical signals and optical signals.

The optical module realizes the mutual conversion function of the above-mentioned optical signal and electrical signal in the technical field of optical fiber communication. The optical module includes an optical port and an electrical port. The optical module realizes optical communication with information transmission equipment such as optical fiber or optical waveguide through the optical port, and realizes the electrical connection with the optical network terminal (such as an optical modem) through the electrical port. It is mainly configured to realize power supply, I2C signal transmission, data signal transmission, and grounding; the optical network terminal transmits electrical signals to information processing equipment such as computers through network cables or wireless fidelity technology (Wi-Fi).

Fig. 1 is a connection diagram of an optical communication system according to some embodiments. As shown in FIG. 1 , the optical communication system mainly includes a remote server 1000 , a local information processing device 2000 , an optical network terminal 100 , an optical module 200 , an optical fiber 101 and a network cable 103 .

One end of the optical fiber 101 is connected to the remote server 1000 , and the other end is connected to the optical network terminal 100 through the optical module 200 . Optical fiber itself can support long-distance signal transmission, such as signal transmission of several kilometers (6 kilometers to 8 kilometers). On this basis, if repeaters are used, ultra-long-distance transmission can theoretically be achieved. Therefore, in a common optical communication system, the distance between the remote server 1000 and the optical network terminal 100 can usually reach thousands of kilometers, tens of kilometers or hundreds of kilometers.

One end of the network cable 103 is connected to the local information processing device 2000 , and the other end is connected to the optical network terminal 100 . The local information processing device 2000 may be any one or more of the following devices: routers, switches, computers, mobile phones, tablet computers, televisions, and so on.

The physical distance between the remote server 1000 and the optical network terminal 100 is greater than the physical distance between the local information processing device 2000 and the optical network terminal 100 . The connection between the local information processing device 2000 and the remote server 1000 is completed by the optical fiber 101 and the network cable 103 ; and the connection between the optical fiber 101 and the network cable 103 is completed by the optical module 200 and the optical network terminal 100 .

The optical module 200 includes an optical port and an electrical port. The optical port is configured to be connected to the optical fiber 101, so that the optical module 200 establishes a bidirectional optical signal connection with the optical fiber 101; electrical signal connection. The optical module 200 implements mutual conversion between optical signals and electrical signals, so that a connection is established between the optical fiber 101 and the optical network terminal 100 . For example, the optical signal from the optical fiber 101 is converted into an electrical signal by the optical module 200 and then input to the optical network terminal 100 , and the electrical signal from the optical network terminal 100 is converted into an optical signal by the optical module 200 and input to the optical fiber 101 .

The optical network terminal 100 includes a substantially rectangular parallelepiped housing (housing), and an optical module interface 102 and a network cable interface 104 disposed on the housing. The optical module interface 102 is configured to access the optical module 200, so that the optical network terminal 100 and the optical module 200 establish a bidirectional electrical signal connection; the network cable interface 104 is configured to access the network cable 103, so that the optical network terminal 100 and the network cable 103 A two-way electrical signal connection is established. A connection is established between the optical module 200 and the network cable 103 through the optical network terminal 100 . For example, the optical network terminal 100 transmits the electrical signal from the optical module 200 to the network cable 103, and transmits the signal from the network cable 103 to the optical module 200, so the optical network terminal 100, as the host computer of the optical module 200, can monitor the optical module 200 work. In addition to the optical network terminal 100, the host computer of the optical module 200 may also include an optical line terminal (Optical Line Terminal, OLT) and the like.

The remote server 1000 establishes a two-way signal transmission channel with the local information processing device 2000 through the optical fiber 101 , the optical module 200 , the optical network terminal 100 and the network cable 103 .

FIG. 2 is a structural diagram of an optical network terminal according to some embodiments. In order to clearly show the connection relationship between the optical module 200 and the optical network terminal 100, FIG. 2 only shows the optical network terminal 100 related to the optical module 200. structure. As shown in FIG. 2 , the optical network terminal 100 further includes a PCB circuit board 105 disposed in the casing, a cage 106 disposed on the surface of the PCB circuit board 105 , and an electrical connector disposed inside the cage 106 . The electrical connector is configured to be connected to the electrical port of the optical module 200 ; the heat sink 107 has raised parts such as fins that increase the heat dissipation area.

The optical module 200 is inserted into the cage 106 of the optical network terminal 100 , and the optical module 200 is fixed by the cage 106 . The heat generated by the optical module 200 is conducted to the cage 106 and then diffused through the radiator 107 . After the optical module 200 is inserted into the cage 106 , the electrical port of the optical module 200 is connected to the electrical connector inside the cage 106 , so that the optical module 200 establishes a bidirectional electrical signal connection with the optical network terminal 100 . In addition, the optical port of the optical module 200 is connected to the optical fiber 101 , so that the optical module 200 and the optical fiber 101 establish a bidirectional electrical signal connection.

Fig. 3 is a structural diagram of an optical module according to some embodiments, and Fig. 4 is an exploded view of an optical module according to some embodiments. As shown in FIG. 3 and FIG. 4 , the optical module 200 includes a housing, a circuit board 300 disposed in the housing, and an optical transceiver device.

The casing includes an upper casing 201 and a lower casing 202. The upper casing 201 is covered on the lower casing 202 to form the above casing with two

openings

204 and 205; the outer contour of the casing is generally square.

The direction of the line connecting the two

openings

204 and 205 may be consistent with the length direction of the optical module 200 , or may not be consistent with the length direction of the optical module 200 . For example, the opening 204 is located at the end of the optical module 200 (the right end in FIG. 3 ), and the opening 205 is also located at the end of the optical module 200 (the left end in FIG. 3 ). Alternatively, the opening 204 is located at the end of the optical module 200 , while the opening 205 is located at the side of the optical module 200 . The opening 204 is an electrical port, and the golden finger of the circuit board 300 extends from the electrical port 204, and is inserted into a host computer (such as the optical network terminal 100); the opening 205 is an optical port, configured to connect to an external optical fiber 101, so that the optical fiber 101 Connect to the optical transceiver device inside the optical module 200 .

The combination of the upper case 201 and the lower case 202 facilitates the installation of components such as the circuit board 300 and optical transceivers into the case, and the upper case 201 and the lower case 202 can form packaging protection for these devices. In addition, when assembling components such as the circuit board 300 , it is convenient to deploy the positioning components, heat dissipation components and electromagnetic shielding components of these components, which is conducive to the implementation of automatic production.

In some embodiments, the upper casing 201 and the lower casing 202 are made of metal materials, which is beneficial to realize electromagnetic shielding and heat dissipation.

In some embodiments, the optical module 200 further includes an unlocking part 203 located on the outer wall of its housing, and the unlocking part 203 is configured to realize a fixed connection between the optical module 200 and the host computer, or release the connection between the optical module 200 and the host computer. fixed connection.

Exemplarily, the unlocking component 203 is located on the outer walls of the two lower side panels of the lower housing 202 , and includes an engaging component matching with a cage of the upper computer (for example, the cage 106 of the optical network terminal 100 ). When the optical module 200 is inserted into the cage of the host computer, the optical module 200 is fixed in the cage of the host computer by the engaging part of the unlocking part 203; when the unlocking part 203 is pulled, the engaging part of the unlocking part 203 moves accordingly, thereby changing The connection relationship between the engaging part and the host computer is to release the engagement relationship between the optical module 200 and the host computer, so that the optical module 200 can be pulled out from the cage of the host computer.

The circuit board 300 includes circuit traces, electronic components (such as capacitors, resistors, triodes, MOS tubes) and chips (such as MCU, laser driver chips, limiting amplifier chips, clock data recovery CDR, power management chips, data processing chips DSP) , connect the above-mentioned devices in the optical module 200 together according to the circuit design through circuit traces, so as to realize functions such as power supply, electrical signal transmission and grounding. The electronic components may include, for example, capacitors, resistors, transistors, and metal-oxide-semiconductor field-effect transistors (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET). The chip can include, for example, a Microcontroller Unit (MCU), a Limiting Amplifier (Limiting Amplifier), a Clock and Data Recovery chip (CDR), a power management chip, and a Digital Signal Processing (DSP) chip. .

The circuit board 300 also includes gold fingers formed on the surface of its end, and the gold fingers are composed of a plurality of independent pins. The circuit board 300 is inserted into the cage 106 and electrically connected with the electrical connector in the cage 106 by the gold finger. Gold fingers can be arranged only on one side of the circuit board 300 (for example, the upper surface shown in FIG. 4 ), or on the upper and lower sides of the circuit board 300, so as to meet the occasions where the number of pins is large. The golden finger is configured to establish an electrical connection with the host computer to realize power supply, grounding, I2C signal transmission, data signal transmission, etc.

The optical transceiver device includes an optical transmitting sub-module and an optical receiving sub-module.

The circuit board 300 is generally a rigid circuit board. Due to its relatively hard material, the rigid circuit board can also realize the bearing function, such as the rigid circuit board can carry the chip stably; the rigid circuit board can also be inserted into the electrical connector in the cage of the upper computer .

In certain embodiments of the present disclosure, metal pins/golden fingers are formed on one end surface of the rigid circuit board, and are configured to be connected with electrical connectors; these are not easy to implement on a flexible circuit board.

Some optical modules also use flexible circuit boards; flexible circuit boards are generally used in conjunction with rigid circuit boards. For example, flexible circuit boards can be used to connect rigid circuit boards and optical transceivers as a supplement to rigid circuit boards.

For the convenience of introduction, the present disclosure defines the orientation of the optical module in FIG. 3 , where the direction of the upper housing 201 is up, the direction of the lower housing is down, the direction of the optical port is left, and the direction of the electrical port is right. The direction of the optical port and the electrical port is the length direction of the optical module, the up and down direction is the height direction of the optical module, and the other direction is the width direction of the optical module.

As shown in FIG. 4, the optical transceiver assembly according to some embodiments includes a first optical transceiver sub-module 400 and a second optical transceiver sub-module 500, and the first optical transceiver sub-module 400 and the second optical transceiver sub-module 500 are set up and down, The first optical transceiver sub-module 400 is disposed above the second optical transceiver sub-module 500 and is disposed close to the upper housing 201 ; the second optical transceiver sub-module 500 is disposed adjacent to the lower housing 202 .

In some embodiments of the present disclosure, the first optical transceiver sub-module 400 has a BOSA structure, and the second optical transceiver sub-module 500 has a BOSA structure. One end of the first optical transceiver sub-module 400 is connected to the first optical fiber adapter 600 , and the other end is provided with the first circuit board 301 . One end of the second optical transceiver sub-module 500 is connected to the second optical fiber adapter 700 , and the other end is provided with the second circuit board 302 . The first circuit board 301 is suspended above the second circuit board 302, and a flexible circuit board is arranged between the first circuit board 301 and the second circuit board 302 to realize the connection between the first circuit board 301 and the second circuit board 302. electrical connection between. The other end of the second circuit board 302 is provided with a gold finger, and the gold finger is located at the position of the electric port, and is connected with the host computer to realize the electrical connection with the host computer.

In some embodiments of the present disclosure, the unlocking component 203 is disposed on the outer surface of one of the lower side panels, and is connected to the surface of the lower side panel. In order to realize the connection between the unlocking component 203 and the lower casing, a side cover plate snapped to the lower side wall is also provided, and the side cover plate is configured to fix the unlocking component 203 .

In the present disclosure, the first optical transceiver sub-module 400 and the second optical transceiver sub-module 500 arranged up and down occupy a large vertical space. In order to cooperate with the arrangement of the dual-optical transceiver module, the upper housing 201 and the lower housing 202 are arranged in steps, so that the space utilization rate can be improved.

Fig. 5 is a first structural schematic diagram of a lower casing according to some embodiments, and Fig. 6 is a first cross-sectional schematic diagram of a lower casing according to some embodiments. As shown in FIG. 5 and FIG. 6 , in the embodiment of the present disclosure, the lower housing 202 includes: a bottom plate 2023 and a first lower side plate 2021 and a second lower side plate 2022 located on both sides of the bottom plate 2023 and perpendicular to the bottom plate 2023 .

The inner wall of the lower housing bottom plate 2023 is arranged in steps, including a first sub-bottom 20231, a second sub-bottom 20232 and a third sub-bottom 20233 connected in sequence, wherein one end of the first sub-bottom 20231 is set near the optical port, and the other One end is connected to one end of the second sub-bottom 20232, the other end of the second sub-bottom 20232 is connected to the third sub-bottom 20233, and the second sub-bottom 20232 is perpendicular to the first sub-bottom 20231, and the third sub-bottom 20233 is connected to the second The sub-base 20232 is arranged vertically. Relative to the first sub-bottom 20231 , the third sub-bottom 20233 protrudes toward the inside of the package cavity.

A first support plate 2041 is disposed between the first lower side plate 2021 and the second lower side plate 2022 , and the first support plate 2041 is disposed parallel to the bottom plate 2023 and located at the head end of the first side plate and the second side plate. One end of the first support plate 2041 is perpendicular to the first side plate, and the other end is perpendicular to the second side plate, and is located in the middle of the height direction of the first side plate.

A second support plate 2042 is also arranged between the first lower side plate 2021 and the second lower side plate 2022 , the second support plate 2042 is arranged parallel to the bottom plate 2023 and is located between the first lower side plate 2021 and the second lower side plate 2022 end of the head. One end of the first support plate 2041 is perpendicular to the first lower side plate 2021 , the other end is perpendicular to the second lower side plate 2022 , and is located on top of the first lower side plate 2021 and the second lower side plate 2022 .

The second support plate 2042, the first lower side plate 2021, the bottom plate 2023 and the second lower side plate 2022 enclose to form an optical port, and the external optical fiber passes through the optical port into the inside of the package cavity and is connected with the optical fiber adapter. The first external optical fiber joint extends between the first support plate 2041 and the second support plate 2042, and is connected with the first optical fiber adapter 600, and the second external optical fiber joint extends between the second support plate 2042 and the bottom plate 2023, and is connected with the second optical fiber adapter 600. A fiber optic adapter 700 is connected. The first support plate 2041 can realize the fixing and physical separation of the first external optical fiber and the second external optical fiber, so as to increase the stability of the optical path.

Fig. 7 is a first structural diagram of an upper housing according to some embodiments, and Fig. 8 is a second structural diagram of an upper housing according to some embodiments. FIG. 8 is a schematic diagram of the flipping direction of FIG. 7 . Fig. 8 is a first cross-sectional schematic diagram of an upper casing according to some embodiments. As shown in FIGS. 7 and 8 , the upper case 201 includes: a cover plate 2013 , and a first upper side plate 2011 and a second upper side plate 2012 arranged vertically to the cover plate 2013 on both sides of the cover plate 2013 . The upper side plate is combined with the two lower side plates, so that the upper shell 201 is covered on the lower shell 202 .

The upper surface of the side panels is stepped, including three stepped surfaces of different heights. A second support plate 2042 is provided between the upper shell 201 and the lower shell 202, and one end of the second support plate 2042 is connected to the side cover of the upper shell 201 to form a wrapping cavity.

In some embodiments of the present disclosure, FIG. 9 is a second structural diagram of a lower housing according to some embodiments, and FIG. 10 is a schematic cross-sectional structural diagram of an upper housing and a lower housing according to some embodiments. As shown in the figure, the upper surface of the first lower side plate 2021 is arranged in steps, and the first lower side plate 2021 includes: a first sub-lower side plate 20211, a second sub-lower side plate 20212 and a third sub-lower side plate 20213, the heights of the first sub-lower side plate 20211, the second sub-lower side plate 20212 and the third sub-lower side plate 20213 are successively reduced. The connecting platform between the second sub-lower side plate 20212 and the third sub-lower side plate 20213 is at the same distance from the optical port end as the second sub-lower side plate 2023 .

The upper surface of the second lower side plate 2022 is set in steps, and the second lower side plate 2022 includes: the fourth sub-lower side plate 20221, the fifth sub-lower side plate 20222 and the sixth sub-lower side plate 20223, and the fourth sub-lower side plate 20223. The heights of the side plate 20221 , the fifth sub-lower side plate 20222 and the sixth sub-lower side plate 20223 decrease sequentially. The connecting platform of the fifth sub-lower side plate 20222 and the sixth sub-lower side plate 20223 is at the same distance from the optical port end as the second sub-lower side plate 2023 .

Correspondingly, the cover plate 2013 is arranged in steps, including the first sub-cover plate 20131, the second sub-cover plate 20132 and the third sub-cover plate 20133 connected in sequence. One end of the first sub-cover plate 20131 is close to the optical port setting, the other end is connected to one end of the second sub-cover 201320132, the other end of the second sub-cover 20132 is connected to the third sub-cover 20133, and the second sub-cover 20132 is perpendicular to the first sub-cover 20131, The third sub-cover 20133 is perpendicular to the second sub-cover 20132 . The third sub-cover 20133 protrudes toward the inside of the package cavity relative to the first sub-cover 20131 .

In the embodiment of the present disclosure, the distance from the second sub-chassis 20232 to the optical port is consistent with the distance from the second sub-cover 20132 to the optical port, that is, the second sub-chassis 20232 and the second sub-cover 20132 are located in the same plane.

One end of the first sub-base plate 20231 abuts against one side of the second support plate 2042 , and the upper surface of the second support plate 2042 is flush with the upper surface of the first sub-cover plate 20131 , configured to seal the cavity.

The first upper side plate 2011 is disposed on one side of the first sub-cover plate 20131 , and after being closed, the first upper side plate 2011 is connected to the second sub-lower side plate 20212 .

The second upper side plate 2012 is disposed on the first sub-cover plate 20131 and is located on the opposite side of the first upper side plate 2011 , and is connected to the second sub-lower side plate 20212 after being closed.

In the embodiment of the present disclosure, glue is used between the upper shell 201 and the lower shell 202 to improve connection tightness.

In the embodiment of the present disclosure, the length of the third sub-base plate 20233 is shorter than the length of the third sub-cover plate 20133, and the rear part of the third sub-base plate 20233 is provided with a first shielding protrusion 20234 protruding upwards, and the first shielding protrusion 20234 Configured for electromagnetic shielding at electrical ports.

The upper housing 201 is provided with a first isolation plate 2014, the first isolation plate 2014 is located on the lower surface of the third sub-cover 20133, and a circuit board through hole is provided between the first shielding protrusion 20234, and the second circuit board 302 One end passes through the through hole of the circuit board to connect with the host computer. The first isolation plate 2014 and the first shielding protrusion 20234 shield and wrap the interior of the cavity as much as possible, thereby achieving electromagnetic shielding at the electrical port of the optical module.

The inner wall of the first lower side plate 2021 is further provided with a first limiting portion 20214 connected to one end of the first isolation plate 2014 . The inner wall of the second lower side plate 2022 is further provided with a second limiting portion 20224 connected to the other end of the first isolation plate 2014 . The first isolation plate 2014 is connected with the second limiting part 20224 and the first limiting part 20214 to realize positioning between the upper housing 201 and the lower housing 202 and realize electromagnetic shielding at the electrical port of the optical module.

In some embodiments of the present disclosure, the first limiting portion 20214 is located on the inner wall of the third sub-lower side plate 20213 , and the second limiting portion 20224 is disposed on the inner wall of the sixth sub-lower side plate 20223 .

In some embodiments of the present disclosure, the upper housing 201 is further provided with a first limiting plate 2015 and a second limiting plate 2016, the first limiting plate 2015, the second limiting plate 2016 and the third sub-cover plate 20133 It is vertically arranged, and the side of the first limiting plate 2015 is close to the inner wall of the third sub-lower side plate 20213, the side plate of the second limiting plate 2016 is close to the first limiting part 20214, and the other side faces the first circuit board 301 Form a limit fixation. The side of the second limiting plate 2016 is close to the inner wall of the sixth sub-lower side plate 20223, the side plate of the second limiting plate 2016 is close to the second limiting part 20224, and the other side forms a limiting and fixed position for the first circuit board 301 .

As shown in Figure 10, the first isolation plate 2014 is connected to the first side of the second limiting part 20224, the second limiting plate 2016 is connected to the second side of the second limiting part 20224, and the second limiting part The first side and the second side of 20224 are two adjacent sides.

Fig. 11 is a schematic structural diagram of a circuit board according to some embodiments, and Fig. 12 is a first cross-sectional schematic diagram of an optical module according to some embodiments. As shown in Figure 11 and Figure 12, the first optical transceiver sub-module 400 and the second optical transceiver sub-module 500 are set up and down, and the first optical transceiver sub-module 400 is arranged above the second optical transceiver sub-module 500 and close to the upper The housing 201 is disposed; the second optical transceiver sub-module 500 is disposed close to the lower housing 202 .

In some embodiments of the present disclosure, one end of the first circuit board 301 is provided with a first avoidance portion 3011 and a second avoidance portion 3012, and the second circuit board 302 is provided with a third avoidance portion 3021 and a fourth avoidance portion. The first escape portion 3011 and the third escape portion 3021 are disposed on the same side, and the second escape portion 3012 and the fourth escape portion are disposed on the other side. The distance between the first avoidance part 3011 and the electrical port is greater than the distance between the third avoidance part 3021 and the electrical port, and the distance between the second avoidance part 3012 and the electrical port is greater than the distance between the fourth avoidance part and the electrical port. The third avoiding part 3021 is connected with the first limiting part 20214 , and the fourth avoiding part is connected with the second limiting part 20224 to realize the positioning of the second circuit board 302 in the longitudinal direction.

The third avoidance portion 3021 is connected to one side of the first limiting plate 2015, and the other side of the first limiting plate 2015 is connected to the first isolation plate 2014; the fourth avoiding portion is connected to one side of the second limiting plate 2016 , the other side of the second limiting plate 2016 is connected to the first isolation plate 2014, so as to further enhance the electromagnetic shielding effect in the direction of the electric port.

In some embodiments of the present disclosure, the first isolation plate 2014 is arranged perpendicular to the cover plate 2013, and the orthographic projection of the upper surface of the first shielding protrusion 20234 on the bottom plate 2023 is located at the bottom surface of the first isolation plate 2014 on the bottom plate 2023. within the orthographic projection range.

The tail of the lower casing 202 is also provided with a lower electrical port baffle 2024, one end of the lower electrical port baffle 2024 is connected to the first lower side plate 2021, and the other end is connected to the second lower side plate 2022 to form a shield for the electrical port . In some embodiments of the present disclosure, the upper surface of the lower electric port baffle 2024 protrudes from the upper surface of the first lower side plate 2021, and one end of the third sub-cover 20133 abuts against one side of the electric port baffle , forming a seal.

In some embodiments of the present disclosure, the lower electrical port baffle 2024 is disposed between the first sub-lower side plate 20211 and the second sub-lower side plate 20212, the first circuit board 301 is disposed on one side of the electrical port baffle, The orthographic projection of the first circuit board 301 toward the electric port is located on the electric port baffle.

The inner wall of the first sub-base 20231 is provided with a first shielding baffle group 206, wherein the first shielding baffle group 206 is arranged perpendicular to the bottom plate 2023 and along the width direction of the optical module, thereby realizing the first The electromagnetic shielding of the shielding baffle group 206 in the longitudinal and transverse directions ensures the shielding effect of the first shielding baffle group 206 at the electrical port of the optical module.

The second circuit board 302 is arranged above the first shielding baffle group 206, and the first shielding baffle group 206 is arranged adjacent to the second sub-base 20232, and includes a plurality of shielding boards, and a certain distance is set between each shielding board , to improve the shielding effect.

The inner wall of the first sub-cover 20131 is provided with a second shielding baffle group 207, wherein the second shielding baffle group 207 is arranged perpendicular to the bottom plate 2023, and is arranged along the width direction of the optical module, thereby realizing the second shielding at the electrical port of the optical module. The electromagnetic shielding of the second shielding baffle group 207 in the longitudinal and transverse directions ensures the shielding effect of the second shielding baffle group 207 at the electrical port of the optical module.

The first optical transceiver sub-module 400 and the second optical transceiver sub-module 500 are disposed between the first sub-base 20231 and the first sub-cover 20131 , and the first circuit board 301 and the second circuit board 302 are disposed on the third sub-base 20233 and the third sub-cover 20133.

In some embodiments of the present disclosure, the first shielding baffle group 206 and the second shielding baffle group 207 have the same number of shielding plates, and their positions correspond to each other.

In order to realize the shielding at the optical port of the optical module, the head of the lower housing 202 is provided with a fixed stop arm 2026 connected with the optical fiber adapter to realize electromagnetic shielding at the optical port.

In order to further enhance the electromagnetic shielding at the optical port, the inner wall of the first lower side plate 2021 is also provided with a second shielding protrusion 20215. The second shielding protrusion 20215 is located on the side of the first side arm 20262 and is located near the optical port. side. In some embodiments of the present disclosure, the surface of the second shielding protrusion 20215 is arranged in an arc shape, and the height of the second shielding protrusion 20215 gradually increases along the direction from the optical port to the electrical port. The inner wall of the second lower side plate 2022 is also provided with a third shielding protrusion 20225, which is located on the side of the second side blocking arm 20263 and is disposed on the side close to the optical port. In some embodiments of the present disclosure, the surface of the third shielding protrusion 20225 is arranged in an arc shape, and the height of the third shielding protrusion 20225 gradually increases along the direction from the optical port to the electrical port.

Fig. 13 is a third structural schematic diagram of a lower housing according to some embodiments. Fig. 14 is a partial cross-sectional view of a lower housing according to some embodiments. FIG. 14 is a partial schematic diagram of FIG. 6 . As shown in Fig. 13 and Fig. 14, the bottom plate 2023 is provided with a bottom stop arm 20261, and the bottom stop arm 20261 protrudes toward the inside of the wrapping cavity. The inner surface of the first lower side plate 2021 is provided with a first side barrier arm 20262, and the first side barrier arm 20262 protrudes toward the inside of the package cavity relative to the inner surface of the first lower side plate 2021, and one end of the first side barrier arm 20262 Connect with bottom stop arm 20261. The inner surface of the second lower side plate 2022 is provided with a second side arm 20263, the second side arm 20263 protrudes toward the inside of the wrapping cavity relative to the inner surface of the second lower side plate 2022, and one end of the second side arm 20263 is connected to the inner surface of the second lower side plate 2022. Bottom stop arm 20261 connection.

In some embodiments of the present disclosure, the first side blocking arm 20262 is disposed on the inner wall of the second sub-lower side plate 20212 , and the second side blocking arm 20263 is disposed on the inner wall of the fourth sub-lower side plate 20221 . The first fiber adapter 600 and the second fiber adapter 700 are fixed between the first side arm 20262 and the second side arm 20263 .

The upper surface of the bottom retaining arm 20261 is arranged in an arc shape, which matches the shape of the second optical fiber adapter 700, which can enhance the stability between the second optical fiber adapter 700 and the bottom plate 2023, and at the same time enhance the shielding effect at the optical port.

The upper surface of the lower side plate adopts a stepped setting, including three stepped surfaces with different heights. One end of the second support plate 2042 is connected to the cover plate 2013 of the upper casing 201 to form a wrapping cavity.

Fig. 15 is a schematic diagram of a claw structure according to some embodiments. As shown in 15 , in order to realize the fixed connection between the first fiber optic adapter 600 , the second fiber optic adapter 700 and the lower housing 202 , a claw 800 is also provided, and the claw 800 is configured to fix the fiber optic adapter. The jaw 800 includes: a clamping plate 810 and four clamping arms, wherein the clamping plate 810 is provided with a first through hole 811 and a second through hole 812, one end of the first optical fiber adapter 600 passes through the first through hole 811, and An external fiber optic connection. One end of the second optical fiber adapter 700 passes through the second through hole 812 and is connected with the second external optical fiber. The first through hole 811 is disposed above the second through hole 812, the first locking arm 820 and the second locking arm 830 are arranged symmetrically on both sides of the first through hole 811, and the second locking arm 820 and the second locking arm 830 are symmetrically arranged on both sides of the second through hole 812. The third locking arm 840 and the fourth locking arm 850 .

The head of the lower housing 202 is provided with claw installation grooves, the clamp plate 810 is embedded in the claw installation grooves, and the claw installation grooves limit the claws 800 . In some embodiments of the present disclosure, the clamping plate 810 is further provided with a first clamping portion 813 and a second clamping portion 814, the first clamping portion 813 is disposed outside the first clamping arm 820 and the third clamping arm 840, One side edge of the clamping plate 810 is recessed to form a first clamping portion 813 . The second locking portion 814 is disposed on the outside of the second locking arm 830 and the fourth locking arm 850 , and one side edge of the locking plate 810 is recessed to form the second locking portion 814 . The first fastening portion 813 and the second fastening portion 814 are symmetrically disposed on two ends of the fastening plate 810 .

The thickness of the first fastening part 813 and the second fastening part 814 is smaller than the thickness of the main body of the fastening board 810, and the first fastening part 813 and the second fastening part 814 are configured to be fastened with the lower housing 202 to realize fastening Fixing of the claw 800 and the lower case 202 . The first fastening part 813 and the second fastening part 814 are embedded in the claw installation groove, so as to realize the fixing of the bottom shell 202 to the claw 800 .

Correspondingly, the claw installation groove includes a first claw installation groove 20216 and a second claw installation groove 20226, wherein the first claw installation groove 20216 is arranged on the first lower side plate 2021, and is located between the first side stop arm 20262 and the second claw installation groove 20226. Between the second shielding protrusions 20215, the first clamping part 813 is embedded in the first claw installation groove 20216, and the second clamping part 814 is embedded in the second claw installation groove 20226, so as to realize the connection between the claw 800 and the lower shell. 202 is installed and fixed.

The end of the first clamping arm 820 is provided with a first guiding portion 821 , which is combined with the second guiding portion 831 of the second clamping arm 830 to form a guiding area, which facilitates the insertion of the external optical fiber plug and the first optical fiber adapter 600 .

The inner walls of the first guide part 821 and the second guide part 831 protrude toward the inner wall sequentially from the direction of the optical port to the direction of the electrical port, so that the distance between the first guide part 821 of the first card arm 820 and the inner wall of the second card arm 830 is It tapers from the outside to the inside to facilitate the insertion of external fibers. The first clamping arm 820 is also provided with a clamping slot, and the inner surface of the clamping slot is recessed to clamp and fix the external optical fiber structure. In some embodiments of the present disclosure, the groove of the first arm 820 is arc-shaped, and is surrounded by the groove of the second arm 830 to form an external optical fiber fixing area. The specific shape can be determined according to the shape of the connector of the external optical fiber. set up.

In some embodiments of the present disclosure, the bottom stop arm 20261 is disposed on the first sub-bottom plate 20231 . In some embodiments of the present disclosure, in order to facilitate the installation of the claw 800 and the lower housing 202 , the surface of the bottom stop arm 20261 near the optical port is perpendicular to the first side wall. The surface of the first side blocking arm 20262 near the optical port is perpendicular to the bottom plate 2023 . The surface of the second side blocking arm 20263 near the optical port is perpendicular to the bottom plate 2023 .

In some embodiments of the present disclosure, the first side blocking arm 20262 occupies a part of the height direction of the first side wall, or the first side blocking arm 20262 runs through the entire height direction of the first lower side plate, that is, the first side blocking arm The other end of 20262 is flush with the upper surface of the first lower side plate.

In some embodiments of the present disclosure, the second side blocking arm 20263 occupies a part of the height direction of the second lower side plate 2022, or the second side blocking arm 20263 runs through the entire height direction of the second lower side plate 2022, that is, the second The other end of the side blocking arm 20263 is flush with the upper surface of the second lower side plate 2022 .

In some embodiments of the present disclosure, the side of the first side blocking arm 20262 , the second side blocking arm 20263 and the bottom blocking arm 20261 facing the optical port is located on the same plane. The combination of the first side stop arm 20262, the second side stop arm 20263 and the bottom stop arm 20261 forms a pallet stop arm.

The upper surface of the bottom stop arm 20261 is arc-shaped to match the shape of the second fiber optic adapter 700 to enhance the stability between the second fiber optic adapter 700 and the bottom plate 2023 .

Fig. 16 is a schematic diagram of a partial structure of an optical transceiver assembly according to some embodiments, and Fig. 17 is a schematic diagram of a structure of an optical transceiver device, claws and a lower housing according to some embodiments. In some embodiments of the present disclosure, as shown in FIG. 16 and FIG. 17 , the first fiber optic adapter 600 includes: a first installation part 601 and a second installation part 602, and the first installation part 601 and the second installation part 602 protrude Out of the outer wall of the fiber optic adapter. A first fastening groove 603 is provided between the first installation part 601 and the second installation part 602, the first side stop arm 20262 is inserted into one side of the first fastening groove 603, and the second side stop arm 20263 is inserted into the first fastening groove 603. The other side of the slot 603 is used to fix the first optical fiber adapter 600 . The second fiber optic adapter 700 includes: a third installation part 701 and a fourth installation part 702 , and the third installation part 701 and the fourth installation part 702 protrude from the outer wall of the fiber optic adapter. A second fastening groove 703 is provided between the third mounting portion 701 and the fourth mounting portion 702, the first side arm 20262 is inserted into one side of the second fastening groove 703, and the second side arm 20263 is inserted into the second fastening groove. The other side of the slot 703 is used to fix the second optical fiber adapter 700 . In addition, the bottom stop arm 20261 is inserted into the second fastening groove 703 to support and fix the second optical fiber adapter 700 .

During the assembly process, the first optical fiber adapter 600 is connected to the first through hole 811, and the second optical fiber adapter 700 is connected to the second through hole 812 to realize the connection between the first optical fiber adapter 600, the second optical fiber adapter 700 and the claw 800. Fix it, and then insert the claw 800 into the claw installation groove. During this process, the first side stop arm 20262 and the second side stop arm 20263 are respectively inserted into the first fastening groove 603 and the second fastening groove from top to bottom 703 until the bottom stop arm 20261 is inserted into the second fastening groove 703 to realize positioning installation. After installation, the bottom stop arm 20261 is connected and inserted into the second fastening groove 703 to realize the fixing of the lower housing 202 to the lower side of the second optical fiber adapter 700 . The surface of the bottom stop arm 20261 is arc-shaped, which can match the size of the second fastening groove 703 to increase the connection stability.

The first card arm 820 is arranged between the second shielding protrusion 20215 and the first fiber optic adapter 600, and there is a certain gap between the first card arm 820 and the first fiber optic adapter 600, and the size of the gap varies from the optical port to the electrical gradually decreases in the direction of the mouth. The second clamping arm 830 is arranged between the third shielding protrusion 20225 and the first optical fiber adapter 600, and there is a certain gap between the third clamping arm 840 and the first optical fiber adapter 600. gradually decreases in the direction of the mouth. The third card arm 840 is arranged between the second shielding protrusion 20215 and the second fiber optic adapter 700, and there is a certain gap between the third card arm 840 and the second fiber optic adapter 700, and the size of the gap varies from the optical port to the electrical port. gradually decreases in the direction of the mouth. The fourth clamping arm 850 is arranged between the third shielding protrusion 20225 and the first optical fiber adapter 600, and there is a certain gap between the fourth clamping arm 850 and the first optical fiber adapter 600. The direction of the mouth is gradually reduced, thus, the assembly can be facilitated.

During installation, the claw 800 can be clamped by tools or manually by utilizing the gap between the claw arm and the lower housing 202, and the claw 800 can be inserted into the claw installation groove, thereby facilitating assembly.

The thickness of the first lower side board 2021 is greater than the thickness of the second lower side board 2022 .

Fig. 18 is a schematic diagram of a partial structure of an optical module according to some embodiments. In some embodiments of the present disclosure, the unlocking component 203 includes an unlocker 2031 and a side cover 2032 . The unlocker 2031 is connected to the outer wall of the first lower side plate 2021, the outer wall of the first lower side plate 2021 is provided with a chute 208, the unlocker 2031 is movably connected along the chute 208, and the side cover 2032 is set on the unlocker 2031 and the second The outside of the lower side plate 2021 is fixed to the first lower side plate 2021 . One end of the chute 208 is provided with an unlocking inclined portion 209 and an engaging component 210 .

FIG. 19 is a schematic diagram of a partial structure of a lower housing of an optical module according to some embodiments, and FIG. 20 is a schematic diagram of a partial structure of FIG. 19 . As shown in FIG. 19 and FIG. 20 , in some embodiments of the present disclosure, the slide groove 208 is disposed on the first lower side plate 2021 , and is recessed compared to the outer surface of the first lower side plate 2021 . The unlocking inclined part 209 is arranged at one end of the sliding groove 208, and the unlocking inclined part 209 includes: a first groove 2091 and a second groove 2092, and a first protrusion 2093 is arranged between the first groove 2091 and the second groove 2092 . The first groove 2091 is located between the two inclined surfaces, the first end of the first inclined surface 20911 is connected with the sliding groove 208, the second end is connected with the second inclined surface 20912, and the first inclined surface 20911 is along the first end to The direction of the second end is recessed inwardly. The first end of the second inclined surface 20912 is connected to the first inclined surface 20911 , the second end is connected to the second groove 2092 , and the second inclined surface 20912 protrudes outward along the direction from the first end to the second end. The first inclined surface 20911 is connected with the second inclined surface 20912 to form the first groove 2091 .

In some embodiments of the present disclosure, the sliding groove 208 is disposed on the first sub-lower side plate 20211 and the second sub-lower side plate 20212 , and the unlocking inclined portion is disposed on the third sub-lower side plate 20213 .

The second groove 2092 includes: a third inclined surface 20921, a fourth transition surface 20922 and a fifth inclined surface 20923 connected in sequence, the first end of the third inclined surface 20921 is connected with the second end of the second inclined surface 20912, and the second end of the second inclined surface 20912 is connected. The first end of the three inclined surfaces 20921 is connected to the fourth inclined surface, and the third inclined surface 20921 is recessed inward along the direction from the first end to the second end. The second inclined surface 20912 is connected with the third inclined surface 20921 to form the first protrusion 2093 .

The first end of the fourth transition surface 20922 is connected to the second end of the third inclined surface 20921, the second end of the fourth transition surface 20922 is connected to the second end of the fifth inclined surface 20923, and the second end of the fifth inclined surface 20923 The end is connected to the outer surface of the first lower side plate 2021 .

In some embodiments of the present disclosure, the depth of the second groove 2092 is greater than the depth of the first groove 2091, that is, the vertical distance between the second groove 2092 and the outer surface of the first lower side plate 2021 is greater than that of the first groove 2091. The vertical distance from the outer surface of the first lower side plate 2021 .

The locking part 210 is engaged with the locking of the upper computer. In some embodiments of the present disclosure, the engaging component 210 may be disposed in the second groove 2092 , or directly disposed on the outer surface of the lower casing 202 . The shape of the engaging part 210 matches the shape of the buckle of the host computer. In some embodiments of the present disclosure, the engaging part 210 may be triangular and disposed in the second groove 2092 . The engaging component 210 protrudes from the outer surface of the lower casing 202 .

Fig. 21 is a first structural schematic diagram of an unlocker according to some embodiments, and Fig. 22 is a second structural schematic diagram of an unlocker according to some embodiments. Figure 21 and Figure 22 show the unlocker from different angles. The unlocker 2031 includes: a handle 20311 , a spring (not shown in the figure) and an unlocking member 20314 . The handle 20311 and the unlocking member 20314 are attached to the outer surface of the lower housing 202 , the side cover 2032 is disposed on the outer surface of the unlocker 2031 , and the side cover 2032 is configured to fix the unlocker 2031 .

One end of the handle is located between the lower casing 202 and the side cover 2032 , and the other end extends out of the lower casing 202 for easy pulling to realize the jacking up of one end of the unlocking member. The unlocking member 20314 includes: a first connecting portion 201314 and a second lifting portion 203142 . The inner surface of the first connecting portion 201314 matches the first groove 2091 , and the first connecting portion 201314 fits on the outer surface of the first groove 2091 . The second raised portion 203142 matches the second groove 2092 . The middle of the second lifting part 203142 is hollowed out to provide a clip relief part 20316, and the engaging component 210 is inserted into the clip relief part.

When the handle is pulled towards the optical port, the second lifting part 203142 moves along the third inclined surface 20921 of the second groove 2092, and its bottom end moves from the bottom of the second groove 2092 into the first groove 2091, and the lifting part The outer surface protrudes from the outer surface of the lower housing 202, forming an outward tension on the claws of the upper computer, so that the buckle is separated from the engaging part 210, and the engaging part 210 slips off from the upper computer, thereby releasing the connection between the upper computer and the light. Module connections.

One end of the handle is provided with a pull ring for easy gripping of the handle. The ring-shaped pull ring is convenient for holding the pull ring and exerting force. The other end of the draw ring is connected with the connecting rod 20312, and the connecting rod 20312 matches the size of the chute 208.

In order to prevent the unlocker 2031 from slipping between the lower casing 202 and the side cover 2032 , the unlocker 2031 further includes: a locking part 20315 disposed on one side of the handle connecting rod 20312 . The locking part 20315 can be located in the same plane as the handle, or can have a certain angle with the handle. The surface of the lower housing 202 is provided with a connection limiting portion 2081 , and the connection limiting portion 2081 communicates with the sliding groove 208 and is configured as a limiting installation of the locking portion 20315 . Moreover, the size of the connection limiting portion 2081 in the length direction of the optical module is larger than the size of the locking portion 20315 in the length direction of the optical module. The locking part 20315 can move relatively within the orientation of the connection limiting part 2081 .

When the handle is not pulled, the locking part 20315 is connected to the first end of the connection limiting part 2081, and the first end of the connection limiting part 2081 is the end close to the electrical port. During the pulling process, the locking part moves from the electrical port to the optical port in the connection limiting part 2081 until the locking part is connected to the second end of the connecting limiting part 2081 . At this time, the second lifting part 203142 moves along the third inclined surface 20921 of the second groove 2092, and its bottom end moves from the bottom of the second groove 2092 into the first groove 2091, and the outer surface of the lifting part protrudes from the The outer surface of the lower housing 202 forms an outward tension on the connecting piece of the upper computer, so that the buckle is separated from the engaging part 210, and the engaging part 210 slips off from the upper computer, thereby releasing the connection between the upper computer and the optical module.

In some embodiments of the present disclosure, the card connection part 20315 includes a first card connection part and a second card connection part, and the first card connection part and the second card connection part are symmetrically arranged on opposite sides of the connecting rod 20312, and the connection limit The portion 2081 is also correspondingly provided with a first connection limiting portion and a second connection limiting portion.

In order to realize the reset of the unlocker 2031, a spring is also provided in some embodiments of the present disclosure. The connecting rod 20312 is provided with a spring installation groove 20313, and the chute 208 is provided with a spring protrusion 2082, and the spring protrusion 2082 is located in the spring installation groove 20313. One end of the spring close to the optical port is fixed to the spring protrusion, and the other end is connected to one end of the spring installation groove 20313 . During the process of pulling the handle, the locking part moves from the electrical port to the optical port in the connection limiting part 2081 until the locking part is connected to the second end of the connecting limiting part 2081 . At this time, the second lifting part 203142 moves along the third inclined surface 20921 of the second groove 2092, and its bottom end moves from the bottom of the second groove 2092 into the first groove 2091, and the outer surface of the lifting part protrudes from the The outer surface of the lower housing 202 forms an outward tension on the claws of the upper computer, so that the buckle is separated from the engaging part 210, and the engaging part 210 slips off from the upper computer, thereby releasing the connection between the upper computer and the optical module. One end of the spring installation groove 20313 compresses the spring. After the tension is removed, the spring pushes the connecting rod 20312 to move towards the electric port under the action of its own elastic force, and the second lifting part 203142 moves from the first groove 2091 to the second groove Within 2092.

Fig. 23 is a first structural diagram of a side cover according to some embodiments, and Fig. 24 is a second structural diagram of a side cover according to some embodiments. Figure 23 and Figure 24 show the side cover from different angles. The side cover 2032 is attached to the outer surface of the lower housing 202 and is configured to fix the unlocker 2031. In some embodiments of the present disclosure, the side cover plate 2032 includes: a cover shell 20321 , and a first shell plate 20322 and a second shell plate 20323 vertically arranged on two sides of the cover shell. The cover shell 20321 is attached to the outer surface of the first lower side plate 2021, the first shell plate 20322 is attached to the upper surface of the first lower side plate 2021, and the second shell plate 20323 is attached to the lower surface of the first lower side plate 2021 . The unlocking part 20314 is exposed on the outside of the side cover 2032 to facilitate the mutual movement of the various parts during the pulling process.

In some embodiments of the present disclosure, the orthographic projection of the chute 208 on the first lower side plate 2021 is located within the range of the orthographic projection of the cover shell 20321 on the first lower side plate 2021 , and the chute 208 and the cover shell 20321 form a cavity , the connecting rod 20312 of the unlocker 2031 is located inside the cavity.

The first end of the first shell 20322 is not flush with the first end of the cover shell 20321 (in the length direction), and the second end of the first shell 20322 is not flush with the second end of the cover shell 20321 . The second end of the first shell 20322 is close to the electric port.

The first shell plate 20322 is provided with: a first buckling part 203221 , a second buckling part 203222 and a third buckling part 203223 . There is a fifth avoidance part 203227 between the first buckle part 203221 and the second buckle part, and a sixth escape part 203228 is provided between the second buckle part 203222 and the third buckle part 203223 . The distances between the first buckling part 203221, the second buckling part 203222 and the third buckling part 203223 may be the same or different.

The distance from the edge of the first buckle part 203221 , the second buckle part 203222 , the third buckle part 203223 to the cover shell 20321 is greater than the distance from the sixth escape part 203228 , the fifth escape part 203227 to the cover shell 20321 .

The first locking part 203221 is provided with a first locking hole 203224 , the second locking part 203222 is provided with a second locking hole 203225 , and the third locking part 203223 is provided with a third locking hole 203226 . The upper surface of the first lower side plate 2021 is provided with a first locking protrusion, a second locking protrusion and a third locking protrusion, which are engaged with the first shell plate 20322 . In some embodiments of the present disclosure, the first locking protrusion is inserted into the first locking hole 203224 , the second locking protrusion is inserted into the second locking hole 203225 , and the third locking protrusion is inserted into the third locking hole 203226 .

After the first shell plate 20322 is fastened with the first locking part 203221 , its upper surface is a plane, which is connected with the upper casing 201 . In some embodiments of the present disclosure, the first shell 20322 is disposed above the second sub-lower shell and between the upper shell 201 and the second sub-lower shell.

The second shell plate 20323 is provided with: a fourth clamping hole, a fifth clamping hole and a sixth clamping hole. The distance between the fourth locking hole and the fifth locking hole, the fifth locking hole and the sixth locking hole may be the same or different. The second shell plate 20323 is disposed on the lower surface of the first lower side plate 2021 . The lower surface of the first lower side plate 2021 is provided with a fourth locking protrusion, a fifth locking protrusion and a sixth locking protrusion, which are engaged with the second shell plate 20323 . In some embodiments of the present disclosure, the fourth locking protrusion is embedded in the fourth locking hole, the fifth locking protrusion is embedded in the fifth locking hole, and the sixth locking protrusion is embedded in the sixth locking hole.

In some embodiments of the present disclosure, when installing, first install the unlocker 2031 inside the sliding groove 208, the locking part is embedded in the connection limiting part 2081, and the first connecting part 201314 fits on the outer surface of the first groove 2091 , the second lifting part 203142 fits on the outer surface of the second groove 2092 , the engaging part 210 is inserted into the retaining part of the clip, and the spring is installed in the spring installation groove 20313 . Then engage the side cover 2032 with the lower case 202 to realize the fixed installation of the unlocker 2031 and the lower case 202 .

Since the above implementation methods are described in conjunction with reference to other methods, different embodiments have the same parts, and the same and similar parts between the various embodiments in this specification can be referred to each other. No further elaboration here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present disclosure, rather than to limit them; although the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present disclosure.

It should be noted that in this specification, relative terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply No such actual relationship or order exists between these entities or operations. Moreover, the terms "comprises", "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion such that a circuit arrangement, article or apparatus comprising a set of elements includes not only those elements but also elements not expressly listed Other elements, or also include elements inherent in such circuit structures, articles or equipment. Without further limitations, the presence of an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in a circuit arrangement, article or device comprising said element.

The above is only a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Anyone familiar with the technical field who thinks of changes or substitutions within the technical scope of the present disclosure should cover all within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be determined by the protection scope of the claims.

Claims

An optical module, comprising:

an upper casing, the upper casing includes a cover plate and a first upper side plate and a second upper side plate arranged on both sides of the cover plate;

The lower casing is closed with the upper casing to form a wrapping cavity, and the lower casing includes a bottom plate and a first lower side plate and a second lower side plate arranged on both sides of the bottom plate;

The circuit board is arranged inside the package cavity;

The optical transceiver sub-module is arranged inside the package cavity, and the optical transceiver sub-module is connected to one end of the circuit board;

One end of the bottom plate is provided with a first shielding protrusion, and the cover plate is provided with a first isolation plate;

A first set of shielding baffles is provided on the inner wall of the bottom plate, and a second set of shielding baffles is provided on the inner wall of the cover plate;

A through hole is provided between the first shielding protrusion and the first isolation plate, and one end of the circuit board passes through the through hole.
The optical module according to claim 1, wherein the first shielding baffle group comprises a plurality of first shielding baffles spaced apart from each other, and the first shielding baffles protrude from the bottom plate.
The optical module according to claim 2, wherein the base plate is arranged in steps, and the base plate comprises: a first sub-base plate, a second sub-base plate and a third sub-base plate connected in sequence; the height of the third sub-base plate is At the height of the first sub-bottom; the first shielding baffle group is arranged on the inner wall of the first sub-bottom;

The cover plate is arranged in steps, and the cover plate includes: a first sub-cover plate, a second sub-cover plate and a third sub-cover plate connected in sequence; the height of the third sub-cover plate is lower than that of the first sub-cover plate the height of a sub-cover;

The second shielding baffle group is disposed on the inner wall of the first sub-cover.
The optical module according to claim 3, wherein the first shielding baffle group and the second shielding baffle group are arranged symmetrically, and the length of the third sub-base is shorter than the length of the third sub-cover .
The optical module according to claim 3, wherein the lower casing is further provided with a lower electric port baffle, one end of which is connected to the first lower side plate, and the other end is connected to the second lower side plate, and is Configured as electromagnetic shielding; the inner wall of the first lower side plate is also provided with a first limiting portion, which is connected with the first shielding protrusion; the inner wall of the second lower side plate is also provided with a second limiting portion , connected to the first shielding protrusion; one side of the first isolation plate is connected to the inner wall of the first limiting portion, and the other side of the first isolation plate is connected to the second limiting portion inner wall connections.
The optical module according to claim 5, wherein the upper housing is further provided with: a first limiting plate, which is perpendicular to the third sub-cover, and one side is connected to the first limiting part; Two limiting plates, perpendicular to the third sub-cover, one side connected to the second limiting part.
The optical module according to claim 6, wherein the optical transceiver sub-module comprises: a first optical transceiver sub-module and a second optical transceiver sub-module; the second optical transceiver sub-module is arranged above the lower housing , the first optical transceiver sub-module is disposed above the second optical transceiver sub-module.
The optical module according to claim 7, wherein the circuit board comprises: a first circuit board connected to the first optical transceiver sub-module and disposed inside the first shielding protrusion; a second circuit board , connected to the first optical transceiver sub-module, one end passes through the through hole between the first shielding protrusion and the first isolation plate; the projection of the second circuit board on the bottom plate covers the The projection of the first circuit board on the bottom plate; the first limiting plate and the second limiting plate are arranged above the second circuit board.
The optical module according to claim 1, wherein the upper case is glued to the lower case.
The optical module according to claim 1, wherein the first shielding protrusion is arranged obliquely upward.
An optical module, comprising:

The upper case, the upper case includes:

cover;

The first upper side plate is arranged on one side of the cover plate;

The second upper side plate is arranged on the other side of the cover plate and is located on the opposite side of the first upper side plate;

The lower casing is closed with the upper casing to form a wrapping cavity, and the lower casing includes:

The bottom plate is arranged on the opposite side of the cover plate;

The first lower side plate is arranged on one side of the bottom plate and covers the first upper side plate;

The second lower side plate is arranged on the other side of the bottom plate and covers the second upper side plate;

The unlocker is attached to the outer wall of the first lower side plate and is slidably connected with the first lower side plate;

The side cover is arranged on the outside of the unlocker and connected with the first lower side plate.
The optical module according to claim 11, wherein a chute is provided on the outer wall of the first lower side plate, and the projection of the side cover on the first lower side plate covers the chute; One end of the chute is provided with an unlocking slope;

The unlocker includes: a handle, one end of which extends to the outside of the first lower side plate and the side cover, and the other end is arranged in the chute; an unlocking piece, one end of which is connected to the handle and attached to the Unlock the outside of the ramp as described above.
The optical module according to claim 12, wherein the thickness of the first lower side plate is greater than the thickness of the second lower side plate.
The optical module according to any one of claims 12-13, wherein the first lower side plate comprises: a first sub-lower side plate, a second sub-lower side plate and a third sub-lower side plate; the The first sub-lower side panel is flush with the lower surface of the second sub-lower side panel; the width of the third sub-lower side panel is smaller than the width of the second sub-lower side panel;

The chute is arranged on the outer walls of the first sub-lower side plate and the second sub-lower side plate;

The unlocking inclined portion is disposed on the outer wall of the third sub-lower side plate.
The optical module according to claim 12, wherein the unlocker further comprises a spring;

A spring protrusion is also arranged in the unlocking chute;

The unlocker is provided with a spring mounting slot configured to accommodate the spring;

The spring protrusion is arranged in the spring installation groove, and one end of the spring is connected with the spring protrusion.
The optical module according to claim 12, wherein the lower case further comprises: a connection limiting part, which is arranged on one side of the chute and communicates with the chute;

The unlocker also includes: a connecting rod, arranged between the handle and the unlocking piece, and located in the slide slot;

One side of the connecting rod is provided with a locking part, which is arranged in the connecting limiting part;

The area of the connection limiting portion is larger than the area of the locking portion.
The optical module according to claim 12, wherein the unlocking inclined portion comprises: a first groove and a second groove; the first groove is opposite to the second groove and the first lower side The outer surface of the plate is depressed; a first protrusion is provided between the first groove and the second groove;

The unlocking parts include:

a first connecting part, one end of which is connected with the handle, and matched with the first groove;

The second raised part is connected to the other end of the first connecting part and matched with the second groove; the depth of the second groove is greater than the depth of the first groove.
The optical module according to claim 17, wherein the first lower side plate further comprises: an engaging part, disposed in the middle of the second groove, and engagingly connected with the host computer;

The middle of the second lifting part is hollowed out to set up a clip relief part;

One end of the engaging component is inserted into the retaining part of the engaging part.
The optical module according to claim 12, wherein the side cover plate comprises: a cover shell, and a first shell plate and a second shell plate vertically arranged on both sides of the cover shell;

The cover shell is attached to the outer surface of the first lower side plate;

The first shell plate is clamped with the upper surface of the first lower side plate; the second shell plate is clamped with the lower surface of the first lower side plate.
The optical module according to claim 19, wherein the first shell is provided with a plurality of locking holes;

The upper surface of the first lower side plate is provided with a plurality of locking protrusions, and the locking protrusions are inserted into the locking holes, and are configured as the connection between the side cover plate and the first lower side plate.
An optical module, comprising:

upper shell;

The lower shell is closed with the upper shell to form a wrapping cavity;

The first optical transceiver sub-module is located in the package cavity and has a first optical fiber adapter at one end;

The second optical transceiver sub-module is located in the package cavity, arranged below the first optical transceiver sub-module, and has a second optical fiber adapter at one end;

The clamping jaw includes a clamping plate and a clamping arm protruding from one side of the clamping plate, and the clamping plate is engaged with the lower housing;

The inner wall of the lower housing is provided with a claw installation groove, one side of the claw installation groove is provided with a clamp arm, and the other side is provided with a shielding protrusion; the clamp plate is embedded in the claw installation groove Inside;

The clamping plate is provided with a first through hole and a second through hole, and the second through hole is arranged below the first through hole;

The first optical fiber adapter is connected to the first through hole; the second optical fiber adapter is connected to the second through hole.
The optical module according to claim 21, wherein the lower housing comprises:

floor;

a first lower side plate and a second lower side plate arranged on both sides of the bottom plate;

The first support plate is arranged between the first lower side plate and the second lower side plate, and is arranged flush with the bottom plate;

The second support plate is arranged on the upper surface of the first lower side plate and the second lower side plate, and is arranged flush with the first support plate; the second support plate is covered by the first above the support plate.
The optical module according to claim 22, wherein the lengths of the first lower side plate and the second lower side plate are longer than the length of the bottom plate;

The lower housing is also provided with:

The lower electric port baffle, one end is connected to the first lower side plate, and the other end is connected to the second lower side plate;

The first shielding protrusion is located at one end of the bottom plate, and the first shielding protrusion protrudes obliquely upward;

One end of the upper housing is connected to the second baffle, and the other end is connected to the lower electrical port baffle.
The optical module according to claim 23, wherein the inner wall of the first lower side plate is provided with a first limiting portion, one end of which is connected to the first shielding protrusion;

The inner wall of the second lower side plate is provided with a second limiting portion, one end of which is connected to the first shielding protrusion;

The upper housing is provided with a first isolation plate; two ends of one side of the first isolation plate are respectively connected with the first limiting portion and the second limiting portion.
The optical module according to claim 22, wherein the clamp arm comprises:

A bottom retaining arm is arranged perpendicular to the bottom plate;

The first side arm is arranged on the inner wall of the first lower side plate, and one end is connected to the bottom arm;

The second side blocking arm is arranged on the inner wall of the second lower side plate, and one end is connected with the bottom blocking arm.
The optical module according to claim 25, wherein the shielding protrusion comprises:

The second shielding protrusion is arranged on the inner wall of the first lower side plate and is located on one side of the first side retaining arm; a second shielding protrusion is provided between the second shielding protrusion and the first side retaining arm. a claw mounting slot;

The third shielding protrusion is arranged on the inner wall of the second lower side plate and is located on one side of the second side arm; a second shielding protrusion is arranged between the third shielding protrusion and the first side arm. Two claw mounting slots;

The second shielding protrusion and the third shielding protrusion protrude toward the inside of the enclosure cavity in an arc shape.
The optical module according to claim 26, wherein one end of the clamping board is provided with a first clamping portion, and the opposite end is provided with a second clamping portion;

The first fastening part is embedded in the first claw installation groove; the second fastening part is embedded in the second claw installation groove.
The optical module according to claim 27, wherein the locking arm comprises:

a first clamping arm, one end of which is arranged perpendicular to the clamping plate, and is located between the first through hole and the first clamping portion;

a second clamping arm, one end of which is arranged perpendicular to the clamping plate, and is located between the first through hole and the second clamping portion;

a third clamping arm, one end of which is arranged perpendicular to the clamping plate, and is located between the second through hole and the first clamping portion;

The fourth clamping arm has one end perpendicular to the clamping plate and located between the second through hole and the second clamping portion.
The optical module according to claim 28, wherein, the other end of the first clamping arm is provided with a first guide portion, and the first guide portion extends toward the enclosure cavity along the opening end adjacent to the enclosure cavity. Inwardly, the protrusion is inclined towards the direction of the second locking arm.
The optical module according to claim 29, wherein the first card arm is further provided with a card slot, one end of the first card arm is connected to the first guide part, and the card slot is configured to be connected to the The outer wall of the first optical fiber adapter is mated and connected.