CN203761493U - Photoelectric converter - Google Patents
Photoelectric converter Download PDFInfo
- Publication number
- CN203761493U CN203761493U CN201420045150.XU CN201420045150U CN203761493U CN 203761493 U CN203761493 U CN 203761493U CN 201420045150 U CN201420045150 U CN 201420045150U CN 203761493 U CN203761493 U CN 203761493U
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- China
- Prior art keywords
- photoelectric detector
- optical
- photoelectric
- electrical converter
- storage module
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Abstract
The utility model belongs to the photoelectric technical field and provides a photoelectric converter. The photoelectric converter includes a photoelectric detector and an energy storage module which are in parallel connection, wherein the photoelectric detector is electrically connected with an output load, the photoelectric detector converts optical signals into electrical signals and/or output current, and the energy storage module stores electric energy through using the output current of the photoelectric detector and provides working voltage for the photoelectric detector. With the photoelectric converter adopted, an external-connection power supply is not required, the working stability of the photoelectric converter can be improved, and power source system failure caused by thunder and lightning when the photoelectric converter is used outdoor can be avoided.
Description
Technical field
The utility model relates to field of photoelectric technology, relates in particular to a kind of optical-electrical converter.
Background technology
The use of optical-electrical converter is for a long time all the mode of operation that needs additional power source, as CATV(cable TV, Cable Television) various light-receiving amplifiers, amplifier module etc., wherein the light transmission sequence of CATV is: program source, optical sender, optical receiver, Set Top Box, TV.Light-receiving product is in the use procedure of CATV, and major part is in outdoor application, so rainy season and thunder and lightning area how is often because the power-supply system of product breaks down, optical-electrical converter cannot be worked and have influence on program audience effect.
In summary, obviously there is inconvenience and defect in prior art in actual use, so be necessary to be improved.
Utility model content
For above-mentioned defect, the purpose of this utility model is to provide a kind of optical-electrical converter, and it does not need external power supply just can normally use, and improves the job stability of optical-electrical converter, in the time of outdoor application, reduce thunder and lightning and cause power-supply system to break down, and have influence on program audience effect.
To achieve these goals, the utility model provides a kind of optical-electrical converter, comprises photoelectric detector parallel with one another and energy-storage module, and described photoelectric detector is electrically connected to output loading; Light signal is converted to the signal of telecommunication and/or output current by described photoelectric detector; Described energy-storage module utilizes the output current storage of electrical energy of described photoelectric detector and provides operating voltage to described photoelectric detector.
According to optical-electrical converter described in the utility model, described energy-storage module comprises an inductance, and described inductance produces low-frequency voltage at the two poles of the earth of described photoelectric detector.
According to optical-electrical converter described in the utility model, the two poles of the earth of described photoelectric detector are electrically connected to respectively the two poles of the earth of described output loading by the first electric capacity, the second electric capacity.
According to optical-electrical converter described in the utility model, described photoelectric detector output electrical signals is to described output loading.
According to optical-electrical converter described in the utility model, described photoelectric detector is made up of InGaAsP and/or indium phosphide.
Optical-electrical converter of the present utility model provides operating voltage by a built-in induct to photoelectric detector, do not need external power supply can work yet, optical-electrical converter is in the use procedure of CATV, effectively avoid thunder and lightning in rainy season caused power system failures more, improve the job stability of optical-electrical converter, improve program audience effect, reduce the failure rate of television system.
Brief description of the drawings
Fig. 1 is the electrical block diagram of the utility model optical-electrical converter.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of optical-electrical converter, described optical-electrical converter is the mode of operation that does not need external power supply, can apply to the various light-receiving amplifiers of CATV, amplifier module etc., described optical-electrical converter is in the outdoor use procedure of CATV, can effectively avoid thunder and lightning in rainy season caused power system failures more, improve program audience effect.
To achieve these goals, the utility model provides a kind of optical-electrical converter, comprise photoelectric detector D and energy-storage module parallel with one another, and photoelectric detector D is electrically connected to output loading R; Light signal is converted to the signal of telecommunication and/or output current by photoelectric detector D; Described energy-storage module utilizes the output current storage of electrical energy of photoelectric detector D and provides operating voltage to photoelectric detector D.
As shown in Figure 1, described energy-storage module comprises an inductance L, and inductance L produces low-frequency voltage at photoelectric detector D the two poles of the earth.
The two poles of the earth of photoelectric detector D are electrically connected to respectively the two poles of the earth of described output loading R by the first capacitor C 1, the second capacitor C 2.Further, described photoelectric detector D output electrical signals is to described output loading R.Further, photoelectric detector D is that the material of the high-quantum efficiencies such as InGaAsP and/or indium phosphide is made.
As shown in Figure 1, in CATV system, light signal is all with RF (Radio Frequency through photoelectric detector D opto-electronic conversion signal out; being called for short RF radio frequency) signal is main; when light signal is added to after photo eye D, produce RF electric current, a part outputs to output loading R; Another part charges to L, due to the energy storage effect of inductance L, produce low-frequency voltage at photoelectric detector D the two poles of the earth, the photoelectric detector D using in CATV adopts the materials such as InGaAsP and/or indium phosphide (InGaAsP/InP), have high-quantum efficiency, applying micro voltage just can exciting light photodetector D.Therefore to photoelectric detector D, power supply just can make it normally work to the voltage in inductance L.
In sum, optical-electrical converter of the present utility model, provide operating voltage by a built-in induct to photoelectric detector, do not need external power supply can work yet, optical-electrical converter is in the use procedure of CATV, reduce the power system failure that rainy season, thunder and lightning caused more, improve program audience effect, reduce the failure rate of television system.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (5)
1. an optical-electrical converter, is characterized in that, comprises photoelectric detector parallel with one another and energy-storage module, and described photoelectric detector is electrically connected to output loading; Light signal is converted to the signal of telecommunication and/or output current by described photoelectric detector; Described energy-storage module utilizes the output current storage of electrical energy of described photoelectric detector and provides operating voltage to described photoelectric detector.
2. optical-electrical converter according to claim 1, is characterized in that, described energy-storage module comprises an inductance, and described inductance produces low-frequency voltage at the two poles of the earth of described photoelectric detector.
3. optical-electrical converter according to claim 2, is characterized in that, the two poles of the earth of described photoelectric detector are electrically connected to respectively the two poles of the earth of described output loading by the first electric capacity, the second electric capacity.
4. optical-electrical converter according to claim 1, is characterized in that, described photoelectric detector output electrical signals is to described output loading.
5. according to the optical-electrical converter described in claim 1～4 any one, it is characterized in that, described photoelectric detector is made up of InGaAsP and/or indium phosphide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045150.XU CN203761493U (en) | 2014-01-24 | 2014-01-24 | Photoelectric converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045150.XU CN203761493U (en) | 2014-01-24 | 2014-01-24 | Photoelectric converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761493U true CN203761493U (en) | 2014-08-06 |
Family
ID=51256722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420045150.XU Expired - Fee Related CN203761493U (en) | 2014-01-24 | 2014-01-24 | Photoelectric converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245289A (en) * | 2015-09-30 | 2016-01-13 | 宁波环球广电科技有限公司 | Optical receiver without power supply |
| CN106374883A (en) * | 2016-08-31 | 2017-02-01 | 安徽赛福电子有限公司 | Photovoltaic conversion outage delay energy storage device |
-
2014
- 2014-01-24 CN CN201420045150.XU patent/CN203761493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245289A (en) * | 2015-09-30 | 2016-01-13 | 宁波环球广电科技有限公司 | Optical receiver without power supply |
| CN106374883A (en) * | 2016-08-31 | 2017-02-01 | 安徽赛福电子有限公司 | Photovoltaic conversion outage delay energy storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |