CN115308855B - Geminate transistor COB single data transmission optical engine - Google Patents
Geminate transistor COB single data transmission optical engine Download PDFInfo
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- CN115308855B CN115308855B CN202210972099.6A CN202210972099A CN115308855B CN 115308855 B CN115308855 B CN 115308855B CN 202210972099 A CN202210972099 A CN 202210972099A CN 115308855 B CN115308855 B CN 115308855B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000003287 optical effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000084 colloidal system Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000003848 UV Light-Curing Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000001723 curing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- KKQWHYGECTYFIA-UHFFFAOYSA-N 2,5-dichlorobiphenyl Chemical compound ClC1=CC=C(Cl)C(C=2C=CC=CC=2)=C1 KKQWHYGECTYFIA-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4244—Mounting of the optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4245—Mounting of the opto-electronic elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention relates to the technical field of communication, in particular to a pair-pipe COB single data transmission optical engine, which aims at the problems of low transmission efficiency and high manufacturing difficulty of a pair-pipe COB unidirectional data transmission module in the prior art. The invention can realize the emission or reflection in the COB of the pair tube and reflect the visible light signal to the chip, thereby achieving the high-efficiency transmission.
Description
Technical Field
The invention relates to the field of communication, in particular to a pipe COB single data transmission optical engine.
Background
The main stream communication products in the market at present are all the technologies referencing to mature optical communication modules, the main stream to hot pluggable technology (including but not limited to SFP, SFP+, SFP28, QSFP28 and the like are packaged), and the system is a closed optical engine product system, and the system has the defects that the hot pluggable technology is adopted, the system is easy to replace and modify under the condition of unknowing, the actual running state of the system cannot be directly observed from the appearance of the system, the whole communication system adopts optical communication, the data is collected in an optical wave division mode, the diameter of an optical fiber to a fiber core is generally only 9um or 60um, a protective sleeve is arranged outside, the flow direction of an optical signal in the system cannot be seen by naked eyes in the optical fiber, and the system can be basically regarded as an invisible light to state, so that the system is inconvenient to manage efficiently and safely.
The current network data collection module has the following serious defects from the safety point of view:
1. The hot plug technology is adopted, so that the module is convenient to replace after being damaged, potential safety hazards exist, and if a specified product is replaced, the conventional system inspection can not find that the system is replaced and changed in time; 2. the optical signal flow direction in the system is invisible light, and the optical fiber and the electric signal are adopted to transmit the signals in the whole system, so that the naked eyes cannot see the actual signal flow direction, and if the system is maliciously changed, the system change cannot be directly and effectively found; 3. as in the point 2 above, for unidirectional transmission light engines, the working state of the system can only be controlled from the system digital control angle, and for data unidirectional collection functions, no physical means can control the system to the working state; 4. the old type light engine has high manufacturing cost and more complex manufacturing process difficulty, and once the module is damaged, the module is replaced with a time-consuming and labor-consuming module; therefore, the scheme provides the optical engine for transmitting the pipe COB singles.
Disclosure of Invention
The pair-pipe COB single data transmission optical engine solves the problems of low transmission efficiency and high manufacturing difficulty of a pair-pipe COB unidirectional data transmission module in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a geminate transistors COB single item data transmission optical engine, includes the PCB board, install detachable frame on the PCB board, frame internally mounted has transmission framework, transmission framework is including installing first, second, third and the fourth of chip on the PCB board, the output and the second electric connection of chip, the output of third of chip has the input electricity of fourth of chip to link, be equipped with the lens first and the lens second that lie in directly over the second and lie in directly over the third of chip on the frame, lens first and lens two cooperations, still be equipped with the subassembly first and lie in the subassembly second directly over the second of lens that lie in directly over the lens on the frame, wherein the second of chip is the fan-shaped emission of current signal conversion of chip transmission and shines on the subassembly first after focusing through the lens, then is received by the third of chip through the refocusing of lens after the reflection of subassembly first and subassembly second in proper order.
As a further improvement of the scheme, the first lens and the second lens are optical focusing lenses, the visible light signals emitted by the second chip are emitted in a fan shape through the mode of the magnifying glass, and then the visible light signals are focused into ray visible light signals by the first lens.
As a further improvement of the above scheme, the first component and the second component are both signal refraction components lens, the first component changes the optical path of the visible light signal emitted by the second chip to reflect to the second component through the 45-degree oblique angle of the first component, and then the second component reflects the visible light signal to the second lens through the 45-degree oblique angle.
As a further improvement of the above scheme, the third chip is a PD photodiode receiving chip, and is configured to transmit the visible light path signal collected by the second lens after being reflected by the second component to the third chip, and then convert the visible light path signal into an electrical signal, and finally transmit the electrical signal to the fourth chip by gold wire.
As a further improvement of the above scheme, the fourth chip is a TIA chip, and is configured to convert the received current signal into an invisible voltage signal for transmission through the CDR transimpedance amplifier.
As a further improvement of the scheme, the frame is composed of an inner frame and an outer frame, the inner frame and the outer frame are connected with the PCB in a plug-in golden finger connection mode, the first lens and the second lens are both arranged on the inner frame, and the first component and the second component are both arranged on the outer frame.
As a further improvement of the scheme, the inner frame and the outer frame are made of light-transmitting materials.
An assembly process suitable for the geminate transistor COB single data transmission optical engine as set forth in claim, comprising the steps of:
mounting a first chip, mounting a second chip, a third chip and a fourth chip on a PCB (printed circuit board) through silver colloid, and baking until the silver colloid is solidified;
Step two, gold wire bonding, namely connecting the chip I, the chip II, the chip III and the chip IV with corresponding bonding pads on the PCB in a um gold wire bonding mode, and carrying out efficient signal transmission;
Step three, coupling optical lens, wherein the first lens (3) and the second lens (6) are integrally formed with an inner frame (10), and the first component (4) and the second component (5) are integrally formed with an outer frame (11);
Step four, UV curing, namely, after the lens is coupled, using UV adhesive for curing;
And fifthly, baking and assembling.
Compared with the prior art, the invention has the beneficial effects that:
1. The reflection surfaces of the first component and the second component are designed through optical surface coating, so that the purpose of transmitting or reflecting the visible light signals to the chip and efficiently transmitting is achieved.
2. The TO device is independently welded TO be changed into a COB receiving and transmitting integrated coupling light path, so that the simplicity and maintainability are improved, in addition, the COB planar packaging is adopted in the product process design, the space utilization rate is wider, the cost is optimized, and the transmission rate is more efficient.
3. The process and the working procedure are simplified, the reliability and the safety are better, the thermal conductivity is better, and the manufacturing is easier.
Drawings
Fig. 1 is a schematic diagram of an internal architecture of the present invention.
Fig. 2 is a perspective view of a first chip, a second chip, a third chip and a fourth chip according to the present invention.
Main symbol description:
1. A first chip; 2. a second chip; 3. a first lens; 4. a first component; 5. a second component; 6. a second lens; 7. a third chip; 8. a chip IV; 9. a PCB board; 10. an inner frame; 11. and an outer frame.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Examples:
Referring to fig. 1, the geminate transistor COB single item data transmission optical engine of the embodiment comprises a PCB board 9, a detachable frame is mounted on the PCB board 9, a transmission framework is mounted in the frame, the transmission framework comprises a first chip 1, a second chip 2, a third chip 7 and a fourth chip 8 which are mounted on the PCB board 9, the third chip 7 is a PD photodiode receiving chip, a visible light path signal reflected by a second component 5 and converged by a second lens 6 is projected onto the third chip 7 and converted into an electric signal, the electric signal is finally transmitted to a fourth chip 8 by a gold wire, the fourth chip 8 is a TIA chip, the output end of the first chip 1 is electrically connected with the second chip 2, the output end of the third chip 7 is electrically connected with the input end of the fourth chip 8, the frame is provided with a first lens 3 positioned right above the second chip 2 and a second lens 6 positioned right above the third chip 7, the first lens 3 and the second lens 6 are matched, and the first lens 3 and the second lens 6 are optical focusing lenses;
The frame is also provided with a first component 4 positioned right above the first lens 3 and a second component 5 positioned right above the second lens 6, the first component 4 and the second component 5 are signal refraction components lens, an included angle of 45 degrees is formed between the first component 4 and the PCB 9, the included angle between the second component 5 and the PCB 9 is 135 degrees, the second chip 2 converts a current signal transmitted by the first chip 1 into a visible light signal, focuses through the first lens 3, emits the visible light signal in a fan shape, irradiates the first component 4, then sequentially reflects through the first component 4 and the second component 5, and then refocuses through the second lens 6 to be received by the third chip 7.
The implementation principle in the embodiment of the application is as follows: the chip 1 transmits a current signal to the chip 2, the chip 2 converts the current signal transmitted by the chip 1 into a visible light signal, the visible light signal is focused through the lens 3 in a fan-shaped mode through a magnifying glass and then is irradiated on the component 4 in a fan-shaped mode, the component 4 changes a light path of the visible light signal transmitted by the chip 2 to be reflected to the component 5 through a 45-degree bevel angle of the component 4, the component 5 reflects the visible light signal to the lens 6 through a 45-degree bevel angle, the electric signal is received by the chip three 7 through refocusing of the lens 6, the electric signal is transmitted to the chip four 8 through a gold wire, and the chip four 8 finally converts the received current signal into an invisible voltage signal through a CDR trans-impedance amplifier and transmits the invisible voltage signal.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (1)
1. The optical engine for transmitting the pipe COB single data is characterized by comprising a PCB (9), wherein a detachable frame is arranged on the PCB (9), a transmission frame is internally arranged in the frame, the transmission frame comprises a first chip (1), a second chip (2), a third chip (7) and a fourth chip (8) which are arranged on the PCB (9), the output end of the first chip (1) is electrically connected with the second chip (2), the output end of the third chip (7) is electrically connected with the input end of the fourth chip (8), the frame is provided with a first lens (3) which is arranged right above the second chip (2) and a second lens (6) which is arranged right above the third chip (7), the first lens (3) and the second lens (6) are matched, and a first component (4) which is arranged right above the first lens (3) and a second component (5) which is arranged right above the second lens (6) are also arranged on the frame, wherein the second chip (2) converts a current signal transmitted by the first chip (1) into a visible light signal, the visible light signal is focused through the first lens (3) and then sequentially irradiates the first lens (4) and the second lens (4) and then sequentially passes through the second lens (7) and then is sequentially reflected by the first lens (4);
The frame consists of an inner frame (10) and an outer frame (11), wherein the inner frame (10) and the outer frame (11) are connected with the PCB (9) in a plug-in golden finger connection mode, a first lens (3) and a second lens (6) are arranged on the inner frame (10), a first component (4) and a second component (5) are arranged on the outer frame (11), and the inner frame (10) and the outer frame (11) are made of light-transmitting materials;
The first lens (3) and the second lens (6) are optical focusing lenses, the visible light signal emitted by the second chip (2) is emitted in a fan shape through the mode of the magnifying glass, and then the visible light signal is focused into a ray visible light signal by the first lens (3); the first component (4) and the second component (5) are signal refraction components lens, the first component (4) changes a light path of visible light signals emitted by the second chip (2) through a 45-degree inclined plane angle of the first component (4) to reflect the visible light signals onto the second component (5), and then the second component (5) reflects the visible light signals onto the second lens (6) through the 45-degree inclined plane angle;
The third chip (7) is a PD photodiode receiving chip and is used for projecting the visible light path signals collected by the second lens (6) after being reflected by the second component (5) to the third chip (7) and converting the visible light path signals into electric signals, and finally transmitting the electric signals to the fourth chip (8) through a gold wire, wherein the fourth chip (8) is a TIA chip and is used for converting the received current signals into invisible voltage signals through a CDR transimpedance amplifier and transmitting the invisible voltage signals;
The assembling process of the geminate transistor COB single data transmission optical engine comprises the following steps:
step one, mounting, namely mounting a chip I (1), a chip II (2), a chip III (7) and a chip IV (8) on a PCB (9) board through silver colloid, and baking until the silver colloid is solidified;
Step two, gold wire bonding, namely connecting a chip I (1), a chip II (2), a chip III (7) and a chip IV (8) with corresponding bonding pads on a PCB (9) in a 25um gold wire bonding mode, and carrying out efficient signal transmission;
Step three, coupling optical lens, wherein the first lens (3) and the second lens (6) are integrally formed with an inner frame (10), and the first component (4) and the second component (5) are integrally formed with an outer frame (11);
Step four, UV curing, namely, after the lens is coupled, using UV adhesive for curing;
And fifthly, baking and assembling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210972099.6A CN115308855B (en) | 2022-08-13 | 2022-08-13 | Geminate transistor COB single data transmission optical engine |
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CN202210972099.6A CN115308855B (en) | 2022-08-13 | 2022-08-13 | Geminate transistor COB single data transmission optical engine |
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CN115308855A CN115308855A (en) | 2022-11-08 |
CN115308855B true CN115308855B (en) | 2024-06-04 |
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CN109491027A (en) * | 2019-01-08 | 2019-03-19 | 中航海信光电技术有限公司 | A kind of parallel optical module |
CN109617612A (en) * | 2018-12-25 | 2019-04-12 | 杭州耀芯科技有限公司 | Optical signal aligned transmissions device, system and method in free space |
CN110501789A (en) * | 2019-08-30 | 2019-11-26 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
CN110568569A (en) * | 2019-09-18 | 2019-12-13 | 杭州耀芯科技有限公司 | integrated packaged optical engine and signal transmitting and receiving method thereof |
CN112558243A (en) * | 2020-12-24 | 2021-03-26 | 杭州耀芯科技有限公司 | Signal transmission optical module |
CN112835152A (en) * | 2019-11-25 | 2021-05-25 | 青岛海信宽带多媒体技术有限公司 | Optical module |
CN217062834U (en) * | 2022-04-15 | 2022-07-26 | 青岛兴航光电技术有限公司 | Light emission component and optical module |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11828991B2 (en) * | 2019-03-15 | 2023-11-28 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
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2022
- 2022-08-13 CN CN202210972099.6A patent/CN115308855B/en active Active
Patent Citations (9)
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US6522673B1 (en) * | 1999-12-22 | 2003-02-18 | New Focus, Inc. | Method and apparatus for optical transmission |
WO2015076469A1 (en) * | 2013-11-20 | 2015-05-28 | 주식회사 포벨 | Optical module package structure for narrow wavelength spacing bidirectional communication |
CN109617612A (en) * | 2018-12-25 | 2019-04-12 | 杭州耀芯科技有限公司 | Optical signal aligned transmissions device, system and method in free space |
CN109491027A (en) * | 2019-01-08 | 2019-03-19 | 中航海信光电技术有限公司 | A kind of parallel optical module |
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CN112558243A (en) * | 2020-12-24 | 2021-03-26 | 杭州耀芯科技有限公司 | Signal transmission optical module |
CN217062834U (en) * | 2022-04-15 | 2022-07-26 | 青岛兴航光电技术有限公司 | Light emission component and optical module |
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