CN204465538U - A kind of 1 × 9 Ultra-Low Speed optical module - Google Patents
A kind of 1 × 9 Ultra-Low Speed optical module Download PDFInfo
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- CN204465538U CN204465538U CN201520099093.8U CN201520099093U CN204465538U CN 204465538 U CN204465538 U CN 204465538U CN 201520099093 U CN201520099093 U CN 201520099093U CN 204465538 U CN204465538 U CN 204465538U
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Abstract
Open a kind of 1 × 9 Ultra-Low Speed optical module of the utility model, comprises the upper cover, lower cover, optical transmitting set, optical receiver, control unit and 1 × 9 row's pin that coordinate installation up and down, described control unit comprises MCU, Received signal strength regulating circuit, the Received signal strength supervisory circuit be connected with MCU, transmit control circuit, drive circuit and 1 × 9 interface circuit, optical receiver respectively with Received signal strength regulating circuit, Received signal strength supervisory circuit is connected, optical transmitting set is connected with the control circuit that transmits with drive circuit respectively, the light signal that optical receiver receives is undertaken sending to 1 × 9 interface circuit after signal amplifies process by Received signal strength regulating circuit on the one hand, be connected with MCU by Received signal strength supervisory circuit on the other hand, it is monitored, drive circuit drives optical transmitting set according to the signal of 1 × 9 interface circuit and MCU, the control circuit that transmits regulates the watt level of optical transmitting set according to the control signal of MCU, extinction ratio size.
Description
Technical field
The utility model relates to a kind of 1 × 9 Ultra-Low Speed optical module, belongs to communication technical field.
Background technology
1 × 9 optical module main you for realizing the high-speed communication of information, comprise optical transmitting set, optical receiver, and control the control circuit of optical transmitting set, optical receiver, because its structure is simple, cost is low, reliability high, be widely used in fiber optic communication field, but because the limitation of control circuit, mainly there is following defect at present in it:
1, at present its transmission rate of 1 × 9 optical module of generally using of the communications field is general all at several more than Mbps or below 2Mbps, and the transmission rate on industrial equipment, electrical network is from a few Kbps to tens Mbps, cause 1 × 9 optical module cannot realize communication under this wider speed;
2, control circuit generally only has power regulation functions, does not have independent control module, cannot realize 1 × 9 optical module automatic test, and manual test operating efficiency is very low;
3,1 × 9 optical module does not have DDM function, cannot monitor in real time each module.
In view of this, the present inventor studies this, and develop a kind of 1 × 9 Ultra-Low Speed optical module specially, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of 1 × 9 Ultra-Low Speed optical module, is applicable to the applied environment with low transmission rate, has that testing efficiency is high, the congruent feature of monitoring function.
To achieve these goals, solution of the present utility model is:
A kind of 1 × 9 Ultra-Low Speed optical module, comprises the upper cover, the lower cover that coordinate installation up and down, and is arranged on optical transmitting set, optical receiver, control unit and 1 × 9 row's pin in upper cover, lower cover, wherein, described control unit comprises MCU, Received signal strength regulating circuit, and the Received signal strength supervisory circuit to be connected with MCU, transmit control circuit, drive circuit and 1 × 9 interface circuit, described optical receiver respectively with Received signal strength regulating circuit, Received signal strength supervisory circuit is connected, described optical transmitting set is connected with the control circuit that transmits with drive circuit respectively, 1 × 9 row's pin is connected with 1 × 9 interface circuit, the light signal that optical receiver receives is undertaken sending to 1 × 9 interface circuit after signal amplifies process by Received signal strength regulating circuit on the one hand, be connected with MCU by Received signal strength supervisory circuit on the other hand, it is monitored, drive circuit drives optical transmitting set according to the signal of 1 × 9 interface circuit and MCU, the control circuit that transmits regulates the watt level of optical transmitting set according to the control signal of MCU, extinction ratio size.
As preferably, described MCU adopts model to be the single-chip microcomputer of C8051F330 or C8051F396.
As preferably, described drive circuit comprises driving chip, and the resistance be connected with driving chip and electric capacity, and the signal input part of driving chip is connected with MCU with 1 × 9 interface circuit respectively, signal output part is connected with optical transmitting set, and drive circuit is mainly used in driving optical transmitting set.
As preferably, the described control circuit that transmits comprises laser driver, and variable resistor, fixed resistance and electric capacity that laser driver is connected, laser driver side input/output end port is connected with MCU, optical transmitting set, the input/output end port of opposite side is connected with Received signal strength regulating circuit, MCU, and the control circuit that transmits regulates the watt level, extinction ratio size etc. of optical transmitting set according to the input signal of the control signal of MCU and optical receiver.
As preferably, described Received signal strength regulating circuit comprises limiting amplifier, and resistance, the electric capacity to be connected with limiting amplifier, the signal input part of limiting amplifier is connected with optical receiver, signal output part is directly connected with 1 × 9 interface circuit on the one hand, is connected on the other hand with the signal input part of the two-way operational amplifier of comparison control circuit.
As preferably, described Received signal strength supervisory circuit comprises mirror image pipe, and the resistance, electric capacity, the triode that are connected with mirror image pipe, and the input of mirror image pipe is connected with optical receiver, output is connected with MCU, and Received signal strength supervisory circuit is mainly used in the received power of monitoring 1 × 9 Ultra-Low Speed optical module.
Above-mentioned 1 × 9 Ultra-Low Speed optical module operation principle: receiving terminal is converted to the signal of telecommunication the light signal received by optical receiver and limiting amplifier and amplifies process, then above-said current signal is processed by MCU, Received signal strength supervisory circuit and the control circuit that transmits, regulate and monitors, change the signal of telecommunication into optical signal launch finally by drive circuit and optical transmitting set and go out.1 × 9 Ultra-Low Speed optical module described in the utility model makes transmission rate can be controlled between 1Kbps to 40Mbps by the cooperation of MCU and each circuit, is applicable to the environment of lower rate transmissions; And by the control of MCU, automatic test can be realized, test speed is increased considerably; In addition, by Received signal strength supervisory circuit and MCU, can to the utilizing emitted light power of 1 × 9 Ultra-Low Speed optical module, received optical power, voltage, temperature is monitored in real time.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is 1 × 9 Ultra-Low Speed optical module structure schematic diagram of the present embodiment;
Fig. 2 is 1 × 9 Ultra-Low Speed optical module control block diagram of the present embodiment;
Fig. 3 is the present embodiment MCU schematic diagram;
Fig. 4 is the present embodiment driving circuit principle figure;
Fig. 5 is the present embodiment Received signal strength regulating circuit, Received signal strength supervisory circuit and the control circuit schematic diagram that transmits;
Fig. 6 is the present embodiment 1 × 9 interface circuit schematic diagram.
Embodiment
As shown in Figure 1-2, a kind of 1 × 9 Ultra-Low Speed optical module, comprises the upper cover 1, the lower cover 2 that coordinate installation up and down, and is arranged on optical transmitting set 3, optical receiver 4, control unit 5 and 1 × 9 row pin 6 in upper cover 1, lower cover 2, wherein, described control unit 5 comprises MCU51, Received signal strength regulating circuit 52, and the Received signal strength supervisory circuit 53 to be connected with MCU51, transmit control circuit 54, drive circuit 55 and 1 × 9 interface circuit 56, described optical receiver 4 respectively with Received signal strength regulating circuit 52, Received signal strength supervisory circuit 53 is connected, described optical transmitting set 3 is connected with the control circuit 54 that transmits with drive circuit 55 respectively, 1 × 9 row's pin 6 is connected with 1 × 9 interface circuit 56, the light signal that optical receiver 4 receives is undertaken sending to 1 × 9 interface circuit 56 after signal amplifies process by Received signal strength regulating circuit 52 on the one hand, be connected with MCU51 by Received signal strength supervisory circuit 53 on the other hand, drive circuit 55 drives optical transmitting set 3 according to the signal of 1 × 9 interface circuit 56 and MCU51, the signal output part of optical transmitting set 3 is connected with MCU51, the transmitting power of optical transmitting set 3 is fed back to MCU51, transmit the control signal of control circuit 54 according to MCU51, regulate the watt level of optical transmitting set 3, extinction ratio size.
As shown in Figure 3, described MCU51 adopts model to be the single-chip microcomputer of C8051F330.In the present embodiment, its Main Function realizes the automatic Debugging of optical module and detects the operating state of optical module and parameter according to SFF-8472 agreement, calibration and control.MCU51 also can use C8051F396 to replace.
As shown in Figure 4, described drive circuit 55 comprises driving chip U1, and the resistance to be connected with driving chip U1 and electric capacity, in the present embodiment, described driving chip U1 adopts model to be the chip of SY88922V, its signal input part DIN is connected with 1 × 9 interface circuit, and/DIN port is connected with MCU51, carries out I2C
Communication signal transmissions, signal output part OUT1 is connected with optical transmitting set 3.Drive circuit 55 is mainly used in driving optical transmitting set 3.
As shown in Figure 5, the described control circuit 54 that transmits comprises two-way operational amplifier U3, and the variable resistor RP1 that two-way operational amplifier U3 is connected, fixed resistance and electric capacity, in the present embodiment, described two-way operational amplifier U3 adopts model to be the chip of LM358, 2 input port 1IN-of side, 1IN+ is connected with MCU51 respectively, output port 1OUT is connected with optical transmitting set 3 after resistance R12 through triode Q1, the input port 2IN-of opposite side is connected with limiting amplifier U5, 2OUT output port is connected with MCU51, the control circuit 54 that transmits regulates the watt level of optical transmitting set 3 according to the input signal of the control signal of MCU51 and optical receiver 4, extinction ratio size etc.Described Received signal strength regulating circuit 52 comprises limiting amplifier U5, and resistance, the electric capacity to be connected with limiting amplifier U5, the signal input part of limiting amplifier U5 is connected with optical receiver 4, signal output part OUT is connected with 1 × 9 interface circuit 56, and the signal input part 2IN-of/OUT two-way operational amplifier U3 is connected.Described Received signal strength supervisory circuit 53 comprises mirror image pipe Q2, and resistance, electric capacity, the triode Q4 to be connected with mirror image pipe Q2, the input of mirror image pipe Q2 is connected with the VPD pin of optical receiver 4, output is connected with MCU51, the current signal that optical receiver 4 exports forms image current signal through mirror image pipe Q2 mirror image, and this image current signal is input to MCU51 and realizes monitoring after being converted into voltage signal by resistance.
As shown in Figure 6, described 1 × 9 interface circuit 56 and 1 × 9 is arranged pin and is connected, for connecting tested product, as industrial equipment, power equipment etc.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (6)
1. 1 × 9 Ultra-Low Speed optical module, is characterized in that: comprise the upper cover, the lower cover that coordinate installation up and down, and is arranged on optical transmitting set, optical receiver, control unit and 1 × 9 row's pin in upper cover, lower cover, wherein, described control unit comprises MCU, Received signal strength regulating circuit, and the Received signal strength supervisory circuit to be connected with MCU, transmit control circuit, drive circuit and 1 × 9 interface circuit, described optical receiver respectively with Received signal strength regulating circuit, Received signal strength supervisory circuit is connected, described optical transmitting set is connected with the control circuit that transmits with drive circuit respectively, 1 × 9 row's pin is connected with 1 × 9 interface circuit, the light signal that optical receiver receives is undertaken sending to 1 × 9 interface circuit after signal amplifies process by Received signal strength regulating circuit on the one hand, be connected with MCU by Received signal strength supervisory circuit on the other hand, it is monitored, drive circuit drives optical transmitting set according to the signal of 1 × 9 interface circuit and MCU, the control circuit that transmits regulates the watt level of optical transmitting set according to the control signal of MCU, extinction ratio size.
2. a kind of 1 × 9 Ultra-Low Speed optical module as claimed in claim 1, is characterized in that: described MCU adopts model to be the single-chip microcomputer of C8051F330 or C8051F396.
3. a kind of 1 × 9 Ultra-Low Speed optical module as claimed in claim 1, it is characterized in that: described drive circuit comprises driving chip, and the resistance to be connected with driving chip and electric capacity, the signal input part of driving chip is connected with MCU with 1 × 9 interface circuit respectively, and signal output part is connected with optical transmitting set.
4. a kind of 1 × 9 Ultra-Low Speed optical module as claimed in claim 1, it is characterized in that: described in the control circuit that transmits comprise laser driver, and variable resistor, fixed resistance and electric capacity that laser driver is connected, laser driver side input/output end port is connected with MCU, optical transmitting set, the input/output end port of opposite side is connected with Received signal strength regulating circuit, MCU, and the control circuit that transmits regulates watt level, the extinction ratio size of optical transmitting set according to the input signal of the control signal of MCU and optical receiver.
5. a kind of 1 × 9 Ultra-Low Speed optical module as claimed in claim 1, it is characterized in that: described Received signal strength regulating circuit comprises limiting amplifier, and resistance, the electric capacity to be connected with limiting amplifier, the signal input part of limiting amplifier is connected with optical receiver, signal output part is directly connected with 1 × 9 interface circuit on the one hand, is connected on the other hand with the signal input part of the two-way operational amplifier of comparison control circuit.
6. a kind of 1 × 9 Ultra-Low Speed optical module as claimed in claim 1, it is characterized in that: described Received signal strength supervisory circuit comprises mirror image pipe, and resistance, electric capacity, the triode to be connected with mirror image pipe, the input of mirror image pipe is connected with optical receiver, and output is connected with MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099093.8U CN204465538U (en) | 2015-02-11 | 2015-02-11 | A kind of 1 × 9 Ultra-Low Speed optical module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099093.8U CN204465538U (en) | 2015-02-11 | 2015-02-11 | A kind of 1 × 9 Ultra-Low Speed optical module |
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| CN204465538U true CN204465538U (en) | 2015-07-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306154A (en) * | 2016-04-20 | 2017-10-31 | 成都芯瑞科技股份有限公司 | A kind of Ultra-Low Speed SFP optical modules |
| CN107800484A (en) * | 2016-08-30 | 2018-03-13 | 成都芯瑞科技股份有限公司 | 1 × 9 Ultra-Low Speed DDMI optical modules |
-
2015
- 2015-02-11 CN CN201520099093.8U patent/CN204465538U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306154A (en) * | 2016-04-20 | 2017-10-31 | 成都芯瑞科技股份有限公司 | A kind of Ultra-Low Speed SFP optical modules |
| CN107800484A (en) * | 2016-08-30 | 2018-03-13 | 成都芯瑞科技股份有限公司 | 1 × 9 Ultra-Low Speed DDMI optical modules |
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