CN204964821U - Novel optical module of low -power consumption - Google Patents
Novel optical module of low -power consumption Download PDFInfo
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- CN204964821U CN204964821U CN201520710574.8U CN201520710574U CN204964821U CN 204964821 U CN204964821 U CN 204964821U CN 201520710574 U CN201520710574 U CN 201520710574U CN 204964821 U CN204964821 U CN 204964821U
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Abstract
The utility model relates to an optical module field has provided a novel optical module of low -power consumption, but the optical module includes the 20PIN golden finger unit of power supply unit, light emission unit, light receiving unit, the control unit and hot plug, and light emission unit includes laser emission optical components and laser instrument driver chip, wherein, laser instrument driver chip with the technology mode integration of gold wire bonded in laser emission unit, light receiving unit is including survey receiving optical components and limiting amplifier, and wherein, limiting amplifier receives optical components with the technology mode integration of gold wire bonded surveying, the control unit connects light emission unit, light receiving unit and 20PIN golden finger unit. The embodiment of the utility model provides a with traditional limiting amplifier integrated inside light receiving unit, with traditional laser -driven ware integration inside light emission unit, adopt gold wire bonding technology to carry out electrical connection, shortened the signal transmission route, improved properties of product.
Description
Technical field
The utility model relates to field, particularly relates to a kind of optical module of Novel low power consumption.
Background technology
Along with the development of global optical communication network, the continuous expansion in the fields such as optical fiber communication, data center, cloud computing and market, the short distance optical module demand of high-speed small-sizeization encapsulation is also increased thereupon, the growth of demand make miniaturization, low-power consumption, low cost optical transceiver module become the inexorable trend of development.
SFP+ optical transceiver module is the pluggable optical module being applied to 10Gbit/s Ethernet and 8.5Gbit/s optical-fibre channel.The purpose of design of this generic module is by less volume and lower cost, provides higher access density, the final access capacity improving user; Therefore, the size of power consumption is very crucial.
Traditional SFP+ optical module, as shown in Figure 1, its Optical Transmit Unit comprises Laser emission optical module and laser driving chip circuit; Light receiving unit comprises detection and receives optical module and limited range enlargement treatment circuit.Design like this, had both added the complicacy of circuit design, had turn increased cost, especially added the power consumption of optical module, thus cannot provide higher access density, caused the most at last improving user's access capacity.
Therefore the optical module designing a kind of Novel low power consumption is necessary, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of optical module of Novel low power consumption.
The utility model is achieved in that
The utility model provides a kind of optical module of Novel low power consumption, described optical module comprises power supply unit, Optical Transmit Unit, light receiving unit, control module, hot swappable 20PIN golden finger unit, wherein, described power supply unit connects described 20PIN golden finger unit, the electric energy got is converted to the operating voltage of each above-mentioned each unit, concrete:
Described Optical Transmit Unit comprises Laser emission optical module and laser driving chip, and wherein, described laser driving chip is integrated in described laser emission element with the technology mode of gold wire bonding; Described light receiving unit comprises detection and receives optical module and limiting amplifier, and wherein, described limiting amplifier is integrated in described detection with the technology mode of gold wire bonding and receives in optical module; Described control module, connects described Optical Transmit Unit, light receiving unit and 20PIN golden finger unit.
Preferably, described Laser emission optical module comprises vertical cavity surface emitting laser.
Preferably, described vertical cavity surface emitting laser is specially optical maser wavelength is 850nmVcsel.
Preferably, described Laser emission optical module also comprises back light detector, and wherein, described back light detector is arranged on the back side of the Laser emission mouth of described vertical cavity surface emitting laser.
Preferably, described Laser emission optical module and detection receive the public a set of optical lens module of optical module, wherein, described optical lens module is positioned at described Laser emission optical module and corresponding Optical Transmit Unit interface, and described detection receives between optical module and described Optical Transmit Unit interface.
Preferably, described control module comprises MCU processor, and described MCU controller connects described Optical Transmit Unit and light receiving unit, for the instruction that customer in response sends, and the duty of monitor optical module, real-time report related data.
The utility model has following beneficial effect: traditional limiting amplifier is integrated in light receiving unit inside by the utility model embodiment, traditional laser driver is integrated in Optical Transmit Unit inside, gold wire bonding technique is adopted to be electrically connected, shorten signaling path, improve properties of product, simplify circuit design, reduce module dissipation, low cost of manufacture simultaneously, is easy to realize; And simple for structure, plug is convenient, and dependable performance is stablized, and has a wide range of applications.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of traditional 10GSFP+SR optical module that Fig. 1 provides for the utility model embodiment;
The optical module structure block diagram of a kind of Novel low power consumption that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the optical module structure schematic diagram of a kind of Novel low power consumption that the utility model embodiment provides;
Fig. 4 is nude film attachment and the gold wire bonding schematic diagram of the optical lens internal emission unit that provides of the utility model embodiment and receiving element;
Fig. 5 is the inner gold wire bonding structural representation of optical lens that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
The billon silk of connecting line is used as, also known as ball bonding spun gold or lead-in wire spun gold in integrated circuit.Gold content >=99.99%, trace additives summation <0.01%.Have three kinds, γ type, C type and FA type etc., latter two is used for high speed bonding.Trace element has crystal grain thinning for beryllium, copper, silver etc., improves the effect of recrystallization temperature and strengthening gold.Use coreless induction furnace vacuum melting, secondary remelting and crystallographic orientation, ingot casting cold working after homogenising is become a useful person, or manufactures with liquid extrusion process.Bonding gold wire is the important materials of microelectronics industry, as connecting line between chip and lead frame.
Embodiment one:
As described in Fig. 2-4, for the utility model embodiment provides a kind of optical module of Novel low power consumption, described optical module comprises power supply unit, Optical Transmit Unit, light receiving unit, control module, hot swappable 20PIN golden finger unit, wherein, described power supply unit connects described 20PIN golden finger unit, the electric energy got is converted to the operating voltage of each above-mentioned each unit, concrete:
Described Optical Transmit Unit comprises Laser emission optical module and laser driving chip, and wherein, described laser driving chip is integrated in described laser emission element with the technology mode of gold wire bonding.
Described light receiving unit comprises detection and receives optical module and limiting amplifier, and wherein, described limiting amplifier is integrated in described detection with the technology mode of gold wire bonding and receives in optical module.
Wherein, in preferred implementation, described limiting amplifier has Trans-impedance preamplifier function and limiting amplifier function simultaneously.
Described control module, connects described Optical Transmit Unit, light receiving unit and 20PIN golden finger unit.
Traditional limiting amplifier is integrated in light receiving unit inside by the utility model embodiment, be illustrated in figure 5 inner gold wire bonding structural representation (side view) of optical lens that the utility model embodiment provides, wherein, the convex lens part in the optical lens module of Optical Transmit Unit in described Fig. 5 by the convex lens partial occlusion in the optical lens of described light receiving unit.Traditional laser driver is integrated in Optical Transmit Unit inside, adopts gold wire bonding technique to be electrically connected, shorten signaling path, improve properties of product, simplify circuit design, reduce module dissipation, simultaneously low cost of manufacture, be easy to realize; And simple for structure, plug is convenient, and dependable performance is stablized, and has a wide range of applications.
In conjunction with the utility model embodiment, there is a kind of preferred implementation, wherein, described Laser emission optical module comprises vertical cavity surface emitting laser (VerticalCavitySurfaceEmittingLaser, is abbreviated as: Vcsel).
In conjunction with the utility model embodiment, there is a kind of preferred implementation, wherein, it is 850nmVcsel that described vertical cavity surface emitting laser is specially optical maser wavelength.
In conjunction with the utility model embodiment, there is a kind of preferred implementation, wherein, described Laser emission optical module also comprises back light detector, and wherein, described back light detector is arranged on the back side of the Laser emission mouth of described vertical cavity surface emitting laser.
In conjunction with the utility model embodiment, there is a kind of preferred implementation, wherein, described Laser emission optical module and detection receive the public a set of optical lens module of optical module, wherein, described optical lens module is positioned at described Laser emission optical module and corresponding Optical Transmit Unit interface, and described detection receives between optical module and described Optical Transmit Unit interface.
Wherein, namely described a set of optical lens module completes effective transmission of optical path signal, saves Material Cost, effectively improves stock utilization.Described in the utility model embodiment, optical lens module is also referred to as two-in-one optical lens module.
Preferably, described control module comprises MCU processor, and described MCU controller connects described Optical Transmit Unit and light receiving unit, for the instruction that customer in response sends, and the duty of monitor optical module, real-time report related data.
Embodiment two:
The utility model, sets forth the optical module of a kind of Novel low power consumption that the utility model embodiment one proposes, in use the functional realiey of each unit with concrete use-case.Wherein, high-speed optical module is inserted on system equipment electrical interface, optical module and system equipment can enter carry out data by described 20PIN golden finger unit, signal communicates; Concrete, at Optical Transmit Unit, electric signal from system equipment provides suitable bias current and modulating current through laser-driven chip to Vcsel, drive Vcsel luminous, realize electro-optic conversion, meanwhile, built-in temperature-control circuit and back light detector monitor the change of Vcsel efficiency at any time, keep the consistance of the Output optical power under temperature variation in real time; At light receiving unit, detector receives the light signal from outside, is converted into electric signal, and exports through limiting amplifier; Control module at any time with transmitter unit and receiving element real-time Communication for Power, the duty of monitor optical module also reports related data; Comprise alarm control circuit in control module, by ground connection sample resistance electric current be converted to voltage and report MCU controlled processing unit, when the light signal received is less than power threshold, outputting alarm signal.
Adopt the mode of integrated clipping amplifier chip in integrated laser driving chip and receiving unit in emitting module, adopt the packing forms of nude film gold wire bonding simultaneously, significantly reduce the power consumption of whole module, when providing identical working current and operating voltage, in like product, power consumption is minimum.The optical module of a kind of Novel low power consumption that the utility model provides, specifically as low-power consumption 10GSFP+SR optical module use time, its power consumption much smaller than the requirement of the 1.0W of SFP+ multi-source agreement standard, through experiment show that power consumption is 0.3W.
In sum, the optical module of a kind of Novel low power consumption that the utility model proposes has the function of high speed optoelectronic conversion, and adopt 850nmVcsel, working current is little.Adopted by traditional limiting amplifier the form of nude film and the technique of gold wire bonding to be integrated in detection and receive optical module inside; Adopt the technique of nude film and gold wire bonding to be integrated in Laser emission optical module traditional laser driving chip inner, simplify circuit design, improve module performance stability, reduce module dissipation simultaneously; The design ap-plication of two-in-one optical lens module has effectively saved manufacturing cost.The utility model is applicable to the new generation network equipment that communication speed is higher, port density is larger.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the optical module of a Novel low power consumption, it is characterized in that, described optical module comprises power supply unit, Optical Transmit Unit, light receiving unit, control module and hot swappable 20PIN golden finger unit, wherein, described power supply unit connects described 20PIN golden finger unit, the electric energy got is converted to the operating voltage of each above-mentioned each unit, concrete:
Described Optical Transmit Unit comprises Laser emission optical module and laser driving chip, and wherein, described laser driving chip is integrated in described laser emission element with the technology mode of gold wire bonding;
Described light receiving unit comprises detection and receives optical module and limiting amplifier, and wherein, described limiting amplifier is integrated in described detection with the technology mode of gold wire bonding and receives in optical module;
Described control module, connects described Optical Transmit Unit, light receiving unit and 20PIN golden finger unit.
2. optical module according to claim 1, is characterized in that, described Laser emission optical module comprises vertical cavity surface emitting laser.
3. optical module according to claim 2, is characterized in that, it is 850nmVcsel that described vertical cavity surface emitting laser is specially optical maser wavelength.
4. the optical module according to Claims 2 or 3, is characterized in that, described Laser emission optical module also comprises back light detector, and wherein, described back light detector is arranged on the back side of the Laser emission mouth of described vertical cavity surface emitting laser.
5. optical module according to claim 1, it is characterized in that, described Laser emission optical module and detection receive the public a set of optical lens module of optical module, wherein, described optical lens module is positioned at described Laser emission optical module and corresponding Optical Transmit Unit interface, and described detection receives between optical module and described Optical Transmit Unit interface.
6. optical module according to claim 1, is characterized in that, described control module comprises MCU processor, described MCU controller connects described Optical Transmit Unit and light receiving unit, for the instruction that customer in response sends, the duty of monitor optical module, real-time report related data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520710574.8U CN204964821U (en) | 2015-09-15 | 2015-09-15 | Novel optical module of low -power consumption |
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| CN201520710574.8U CN204964821U (en) | 2015-09-15 | 2015-09-15 | Novel optical module of low -power consumption |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072940A (en) * | 2016-11-15 | 2018-05-25 | 苏州旭创科技有限公司 | Optical module |
| CN109981168A (en) * | 2019-03-07 | 2019-07-05 | 中山水木光华电子信息科技有限公司 | Fault locator for automatically collecting geographic information and collecting method |
| CN111856664A (en) * | 2020-08-25 | 2020-10-30 | 上海长跃通信技术有限公司 | Low-cost 25G short distance photoelectric module conversion equipment |
| CN113640922A (en) * | 2020-04-24 | 2021-11-12 | 青岛海信宽带多媒体技术有限公司 | Optical module |
-
2015
- 2015-09-15 CN CN201520710574.8U patent/CN204964821U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072940A (en) * | 2016-11-15 | 2018-05-25 | 苏州旭创科技有限公司 | Optical module |
| CN109981168A (en) * | 2019-03-07 | 2019-07-05 | 中山水木光华电子信息科技有限公司 | Fault locator for automatically collecting geographic information and collecting method |
| CN109981168B (en) * | 2019-03-07 | 2024-06-04 | 佛山市冰蓝科技有限公司 | Fault locator for automatically collecting geographic information and collecting method |
| CN113640922A (en) * | 2020-04-24 | 2021-11-12 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN111856664A (en) * | 2020-08-25 | 2020-10-30 | 上海长跃通信技术有限公司 | Low-cost 25G short distance photoelectric module conversion equipment |
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