CN206211259U - Optical module and optical-electrical converter - Google Patents
Optical module and optical-electrical converter Download PDFInfo
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- CN206211259U CN206211259U CN201621247627.8U CN201621247627U CN206211259U CN 206211259 U CN206211259 U CN 206211259U CN 201621247627 U CN201621247627 U CN 201621247627U CN 206211259 U CN206211259 U CN 206211259U
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Abstract
The utility model discloses a kind of optical module and optical-electrical converter, wherein, the optical module is SFP28 optical modules, including power stabilization circuit, laser circuit, light detector circuit, signal adjustment circuit and controller circuitry；Wherein, light detector circuit, detects and receives optical information, and be converted into electric signal；Laser circuit, receives electric signal, is converted to laser signal, and launched；Signal adjustment circuit, the electric signal of laser circuit and light detector circuit is changed, shaping, amplification；Power stabilization circuit, adjusts laser power, by the power stability of laser in preset value；Controller circuitry, the data of receiving power stabilizing circuit, control power stabilization circuit operation.Technical solutions of the utility model increase power stabilization circuit by SFP28 optical modules, reduce the power swing of laser module, improve the stability of optical module.
Description
Technical field
The utility model is related to technical field of photo communication, more particularly to a kind of optical module and optical-electrical converter.
Background technology
SFP28 optical modules are a kind of message digit optical modules, and supporting rate can reach 28Gbps, and SFP28 is sealed based on SFP+
Dress form, is the connection of enterprise upgrading 10G Ethernets, there is provided a more cost effective solution.But existing SFP28
The sharp drive circuit device scheme that optical module is used does not possess APC (automatic power control, automated power control) work(
Can, open loop mode mainly is taken in use, as temperature change power stability is poor, the power swing of laser is larger, and this makes
The operation for obtaining SFP optical modules is not sufficiently stable reliability.
Utility model content
Main purpose of the present utility model is to provide a kind of optical module, it is desirable to provide a kind of power stability of generating laser
The good optical module of property.
To achieve the above object, the utility model proposes optical module, be applied to SFP28 optical modules, including power stability
Circuit, laser circuit, light detector circuit, signal adjustment circuit and controller circuitry；Wherein,
The light detector circuit, detects and receives optical information, and be converted into electric signal；
The laser circuit, receives electric signal, is converted to laser signal, and launched；
The signal adjustment circuit, the electric signal of the laser circuit and the light detector circuit is changed,
Shaping；
The power stabilization circuit, adjusts the power of the laser circuit, by the power stability of the laser circuit
In preset value；
The controller circuitry, receives the data of the power stabilization circuit, controls the power stabilization circuit operation.
Preferably, the output end of the light detector circuit is connected with the input of the signal adjustment circuit, described to swash
Light device circuit input end is connected with the output end of the signal adjustment circuit, and the controlled end of the laser circuit is steady with the power
Determine the stabilized end connection of circuit, the controlled end of the power stabilization circuit is connected with the control end of the controller circuitry.
Preferably, the laser circuit includes generating laser and drive circuit, the drive end of the generating laser
It is connected with the drive circuit drive output, the output end of the input of the generating laser and the signal adjustment circuit
Connection, the controlled end of the generating laser is connected with the stabilized end of the power stabilization circuit.
Preferably, the signal adjustment circuit includes the first signal circuit, secondary signal circuit；First signal circuit
Input be connected with the output end of the light detector circuit, the output end of the secondary signal circuit and laser electricity
The input connection on road, first signal circuit and the secondary signal circuit are all for electric signal to be changed, shaping.
Preferably, the signal adjustment circuit also include signal amplification circuit, the input of the signal amplification circuit with
The output end connection of first signal circuit, the signal amplification circuit, the electric signal that first signal circuit is exported
It is amplified.
Preferably, also including supervisory circuit, the inspection of the first monitoring client of the supervisory circuit and first signal circuit
End connection is surveyed, the second monitoring client of the supervisory circuit is connected with the test side of the secondary signal circuit；The supervisory circuit,
Monitor the laser circuit and whether the light detector circuit is abnormal.
Preferably, the temperature of laser circuit, voltage, bias current, transmitting luminous power described in the monitor circuit monitors,
And temperature, power supply, bias current, the received optical power of the light detector circuit.
Preferably, the controller circuitry, the amplifying circuit, the secondary signal circuit and the supervisory circuit is logical
Pin interface is connected letter interface all more than one, and many pin interfaces are 20 golden finger interfaces of pin.
Preferably, the power stabilization circuit includes dual-transistor chip, electric capacity, first resistor and second resistance；It is described
First output end and the second output end of dual-transistor chip are all connected with power supply, the first input end of the dual-transistor chip
First end with the second resistance is connected, the second input of the dual-transistor chip and the second end of the second resistance
Connection；The second resistance first end is connected with the first end of the first resistor, the second end ground connection of the first resistor；Institute
The two ends for stating electric capacity are in parallel with the two ends of the first resistor；The second resistance first end also with the control of the controller circuitry
End connection processed, the second end of the second resistance is connected with the controlled end of the laser circuit.
The utility model also proposes a kind of optical-electrical converter, and the optical-electrical converter includes the optical module, the optical mode
Block includes power stabilization circuit, laser circuit, light detector circuit, signal adjustment circuit and controller circuitry；Wherein, it is described
Light detector circuit, detects and receives optical information, and be converted into electric signal；The laser circuit, receives electric signal, turns
Laser signal is changed to, and is launched；The signal adjustment circuit, by the laser circuit and the light detector circuit
Electric signal is changed, shaping；The power stabilization circuit, adjusts the power of the laser circuit, by laser electricity
The power stability on road is in preset value；The controller circuitry, receives the data of the power stabilization circuit, controls the power steady
Determine circuit operation.
Technical solutions of the utility model are adjusted by using power stabilization circuit, laser circuit, light detector circuit, signal
Whole circuit and controller circuitry, form a kind of optical module, by signal adjustment circuit to laser circuit and photo-detector electricity
The signal on road is adjusted, and the power of laser is adjusted by power stabilization circuit, makes its power not variation with temperature and ripple
It is dynamic, and then lift the stability of the optical module.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the functional block diagram of the embodiment of the utility model optical module one；
Fig. 2 is the functional block diagram of the another embodiment of the utility model optical module；
Fig. 3 is the circuit structure diagram of power stabilization circuit of the present utility model.
Drawing reference numeral explanation：
The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
Relative position relation, motion conditions for being only used for explaining between each part under a certain particular pose (as shown in drawings) etc., such as
When really the particular pose changes, then directionality indicates also correspondingly to change therewith.
In addition, it is related to the description of " first ", " second " etc. to be only used for describing purpose in the utility model, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
It will be understood that the combination of this technical scheme does not exist when appearance is conflicting or cannot realize, also not in the utility model requirement
Protection domain within.
The utility model proposes a kind of optical module.
Reference picture 1, technical solutions of the utility model are applied to SFP28 optical modules, and the optical module includes power stability electricity,
100th, laser circuit 200, light detector circuit 300, signal adjustment circuit 400 and controller circuitry 500；Wherein, the light
Detector circuit 300, detects and receives optical information, and be converted into electric signal；The laser circuit 200, receives telecommunications
Number, laser signal is converted to, and launched；The signal adjustment circuit 400, by the laser circuit 200 and the light
The electric signal of detector circuit 300 is changed, shaping；The power stabilization circuit 100, adjusts the laser circuit 200
Power, by the power stability of the laser circuit 200 in preset value；The circuit of the controller 500, receives the power steady
Determine the data of circuit 100, control the power stabilization circuit 100 to run.
It should be noted that when the optical module works, laser signal is received by light detector circuit 300, electricity is converted to
Adjusted by signal adjustment circuit 400 after signal, and transferred out；When the optical module needs to send laser signal, by letter
Number adjustment circuit 400 receives the electric signal of outside, after carrying out shaping, conversion, by laser circuit 200 by information with the shape of laser
Formula is launched, it is achieved thereby that optical signal reception, the integration of optical signal launch function.
Technical solutions of the utility model are by using power stabilization circuit 100, laser circuit 200, light detector circuit
300th, signal adjustment circuit 400 and controller circuitry 500, form a kind of optical module, by signal adjustment circuit 400 to laser
The signal of device circuit and light detector circuit 300 is adjusted, and the power of laser is adjusted by power stabilization circuit 100, is made
Its power not variation with temperature and fluctuate, and then lift the stability of the optical module.
Specifically, the output end of the light detector circuit 300 is connected with the input of the signal adjustment circuit 400,
The input of the laser circuit 200 is connected with the output end of the signal adjustment circuit 400, and the laser circuit 200 is received
Control end is connected with the stabilized end of the power stabilization circuit 100, the controlled end of the power stabilization circuit 100 and the controller
The control end connection of circuit 500.
Reference picture 2, specifically, the laser circuit 200 includes generating laser 210 and drive circuit 220, described to swash
The drive end of optical transmitting set 210 is connected with the drive output of the drive circuit 220, the input of the generating laser 210
Output end with the signal adjustment circuit 400 is connected, the controlled end of the generating laser 210 and the power stabilization circuit
100 stabilized end connection.
Specifically, the signal adjustment circuit 400 includes the first signal circuit 410, secondary signal circuit 420；Described
410 inputs of one signal circuit are connected with the output end of the light detector circuit 300, the secondary signal circuit 420
Output end is connected with the input of the laser circuit 200, first signal circuit 410 and the secondary signal circuit
420 all for electric signal to be changed, shaping.
It should be noted that the electric signal that first signal circuit 410 is used to export light detector circuit 300 is carried out
Shaping, then transfers out；And secondary signal circuit 420 is used to receive the electric signal of outside, transmitted after shaping
To laser circuit 200, information is launched by laser circuit 200.
Specifically, the signal adjustment circuit 400 also include amplifying circuit 440, the input of the amplifying circuit 440 with
The output end connection of first signal circuit 410, the amplifying circuit 440, the electricity that first signal circuit 410 is exported
Signal is amplified.
Specifically, also including supervisory circuit 430, the first monitoring client of the supervisory circuit 430 and first signal electricity
The test side connection on road 410, the second monitoring client of the supervisory circuit 430 connects with the test side of the secondary signal circuit 420
Connect；The supervisory circuit 430, monitors the laser circuit 200 and whether the light detector circuit 300 is abnormal.
Specifically, the supervisory circuit 430 monitors temperature, voltage, bias current, the transmitting of the laser circuit 200
Luminous power, and the light detector circuit 300 temperature, power supply, bias current, received optical power.
It should be noted that when supervisory circuit 430 can also detect light detector circuit 300 and laser circuit 200
Other data such as voltage.When supervisory circuit 430 detects data exception, the supervisory circuit 430 sends protection information, controls light
Module from service, to reach the function of protection optical module.
Specifically, the controller circuitry 500, the amplifying circuit 440, the secondary signal circuit 420 and the prison
Pin interface 600 is connected the communication interface of control circuit 430 all more than one, and many pin interfaces 600 are 20 gold of pin
Finger interface.
It should be noted that the optical module is plugged in equipment by golden finger interface, amplifying circuit 440, monitoring electricity
Road 430, secondary signal circuit 420 and controller circuitry 500 pass through golden finger and the mutual transmission information of external instrument.
Reference picture 3, specifically, the power stabilization circuit 100 includes dual-transistor chip U, electric capacity C, first resistor R1
And second resistance R2；First output end and the second output end of the dual-transistor chip U are all connected with power supply VC, the twin crystal
The first input end of body die U is connected with the first end of the second resistance R2, second input of the dual-transistor chip U
End is connected with second end of the second resistance R2；The second resistance R2 first ends connect with the first end of the first resistor R1
Connect, the second end ground connection of the first resistor R1；The two ends of the electric capacity C are in parallel with the two ends of the first resistor R1；It is described
Control end of the second resistance R2 first ends also with the controller circuitry 500 is connected, second end of the second resistance R2 and institute
State the controlled end connection of laser circuit 200.
It should be noted that the dual-transistor chip U uses the chip of model BCV62A, the pair transistor
Chip U includes two positive-negative-positive silicon transistors.
The utility model reduces laser circuit 200 by increasing power stabilization circuit 100 in SFP28 optical modules
Power swing so that system more stablize.Temperature, voltage, the launching light work(of optical module are monitored by supervisory circuit 430 simultaneously
Rate and receive the data of luminous power, abnormal information is obtained in time, further ensure the stabilization of the optical module.
The utility model also proposes a kind of optical-electrical converter, and the optical-electrical converter includes optical module as described above, the light
The concrete structure of module employs whole technical sides of above-mentioned all embodiments due to electric light electric transducer with reference to above-described embodiment
Case, therefore all beneficial effects that at least technical scheme with above-described embodiment is brought, this is no longer going to repeat them.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of optical module, is applied to SFP28 optical modules, it is characterised in that including power stabilization circuit, laser circuit, light
Detector circuit, signal adjustment circuit and controller circuitry；Wherein,
The light detector circuit, detects and receives optical information, and be converted into electric signal；
The laser circuit, receives electric signal, is converted to laser signal, and launched；
The signal adjustment circuit, the electric signal of the laser circuit and the light detector circuit is changed, shaping；
The power stabilization circuit, adjusts the power of the laser circuit, by the power stability of the laser circuit pre-
If value；
The controller circuitry, receives the data of the power stabilization circuit, controls the power stabilization circuit operation.
2. optical module as claimed in claim 1, it is characterised in that the output end of the light detector circuit is adjusted with the signal
The input connection of whole circuit, the laser circuit input is connected with the output end of the signal adjustment circuit, described to swash
The controlled end of optical circuit is connected with the stabilized end of the power stabilization circuit, the controlled end of the power stabilization circuit and the control
The control end connection of device circuit processed.
3. optical module as claimed in claim 2, it is characterised in that the laser circuit includes generating laser and drives electricity
Road, the drive end of the generating laser is connected with the drive circuit drive output, the input of the generating laser
Output end with the signal adjustment circuit is connected, the stabilization of the controlled end of the generating laser and the power stabilization circuit
End connection.
4. the optical module as described in claim 1,2 or 3, it is characterised in that the signal adjustment circuit includes the first signal electricity
Road, secondary signal circuit；The input of first signal circuit is connected with the output end of the light detector circuit, and described
The output end of binary signal circuit is connected with the input of the laser circuit, first signal circuit and the secondary signal
Circuit is all for electric signal to be changed, shaping.
5. optical module as claimed in claim 4, it is characterised in that the signal adjustment circuit also includes signal amplification circuit,
The input of the signal amplification circuit is connected with the output end of first signal circuit, the signal amplification circuit, by institute
The electric signal for stating the output of the first signal circuit is amplified.
6. optical module as claimed in claim 5, it is characterised in that also including supervisory circuit, the first prison of the supervisory circuit
Control end is connected with the test side of first signal circuit, the second monitoring client of the supervisory circuit and the secondary signal circuit
Test side connection；The supervisory circuit, monitors the laser circuit and whether the light detector circuit is abnormal.
7. optical module as claimed in claim 6, it is characterised in that the temperature of laser circuit described in the monitor circuit monitors
Degree, voltage, bias current, transmitting luminous power, and the temperature of the light detector circuit, power supply, bias current, receive light work(
Rate.
8. optical module as claimed in claim 7, it is characterised in that the controller circuitry, the amplifying circuit, described second
Pin interface is connected the communication interface of signal circuit and the supervisory circuit all more than one, and many pin interfaces are drawn for 20
The golden finger interface of pin.
9. optical module as claimed in claim 2, it is characterised in that the power stabilization circuit includes dual-transistor chip, electricity
Appearance, first resistor and second resistance；First output end and the second output end of the dual-transistor chip are all connected with power supply, institute
The first input end for stating dual-transistor chip is connected with the first end of the second resistance, and the second of the dual-transistor chip is defeated
Enter end to be connected with the second end of the second resistance；The second resistance first end is connected with the first end of the first resistor,
The second end ground connection of the first resistor；The two ends of the electric capacity are in parallel with the two ends of the first resistor；The second resistance
Control end of the first end also with the controller circuitry is connected, the second end of the second resistance and receiving for the laser circuit
The connection of control end.
10. a kind of optical-electrical converter, it is characterised in that including the optical module as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247627.8U CN206211259U (en) | 2016-11-18 | 2016-11-18 | Optical module and optical-electrical converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247627.8U CN206211259U (en) | 2016-11-18 | 2016-11-18 | Optical module and optical-electrical converter |
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| Publication Number | Publication Date |
|---|---|
| CN206211259U true CN206211259U (en) | 2017-05-31 |
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| CN201621247627.8U Active CN206211259U (en) | 2016-11-18 | 2016-11-18 | Optical module and optical-electrical converter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495186A (en) * | 2018-11-29 | 2019-03-19 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN109974889A (en) * | 2019-03-19 | 2019-07-05 | 江苏亮点光电科技有限公司 | A kind of driving device applied to light source in distribution type laser temp measuring system |
| CN110324602A (en) * | 2019-06-17 | 2019-10-11 | Oppo广东移动通信有限公司 | A kind of generation method and device, terminal, storage medium of 3-D image |
| WO2020061969A1 (en) * | 2018-09-27 | 2020-04-02 | 深圳市大疆创新科技有限公司 | Laser emitting device and ranging device |
| WO2022160093A1 (en) * | 2021-01-26 | 2022-08-04 | 深圳市埃尔法光电科技有限公司 | Usb 2.0 photoelectric transmission system |
| CN116316046A (en) * | 2023-05-16 | 2023-06-23 | 深圳市飞思卓科技有限公司 | Optical module adjusting system, method, terminal device and computer readable storage medium |
-
2016
- 2016-11-18 CN CN201621247627.8U patent/CN206211259U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020061969A1 (en) * | 2018-09-27 | 2020-04-02 | 深圳市大疆创新科技有限公司 | Laser emitting device and ranging device |
| CN109495186A (en) * | 2018-11-29 | 2019-03-19 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN109974889A (en) * | 2019-03-19 | 2019-07-05 | 江苏亮点光电科技有限公司 | A kind of driving device applied to light source in distribution type laser temp measuring system |
| CN110324602A (en) * | 2019-06-17 | 2019-10-11 | Oppo广东移动通信有限公司 | A kind of generation method and device, terminal, storage medium of 3-D image |
| WO2022160093A1 (en) * | 2021-01-26 | 2022-08-04 | 深圳市埃尔法光电科技有限公司 | Usb 2.0 photoelectric transmission system |
| CN116316046A (en) * | 2023-05-16 | 2023-06-23 | 深圳市飞思卓科技有限公司 | Optical module adjusting system, method, terminal device and computer readable storage medium |
| CN116316046B (en) * | 2023-05-16 | 2023-08-11 | 深圳市飞思卓科技有限公司 | Optical module adjusting system, method, terminal device and computer readable storage medium |
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