CN101719670A - Laser long-distance electricity transmission device - Google Patents
Laser long-distance electricity transmission device Download PDFInfo
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- CN101719670A CN101719670A CN200910241683A CN200910241683A CN101719670A CN 101719670 A CN101719670 A CN 101719670A CN 200910241683 A CN200910241683 A CN 200910241683A CN 200910241683 A CN200910241683 A CN 200910241683A CN 101719670 A CN101719670 A CN 101719670A
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Abstract
The invention discloses a laser long-distance electricity transmission device. The device comprises a constant current driving power supply, a semiconductor laser unit, a single mode optical fiber, an optical amplifier, a semiconductor optical detector, a control power supply and an electricity utilization terminal, wherein the input end of the semi-conductor laser unit is connected with the output end of the constant current driving power supply; one end of the single mode optical fiber is connected with the output end of the semiconductor laser unit; the input end of the optical amplifier is connected with the other end of the single mode optical fiber; the input end of the semiconductor optical detector is connected with the output end of the optical amplifier; the input end of the control power supply is connected with the output end of the semiconductor optical detector; and the input end of the electricity utilization terminal is connected with the output end of the control power supply.
Description
Technical field
The invention belongs to long apart from electric power conveying technology field, more specifically say so and use semiconductor laser to convert electric energy to luminous energy, carry out the long Distance Transmission of luminous energy then with monomode fiber, use photo-detector to carry out opto-electronic conversion at receiving terminal, utilize the electric energy of conversion to be need electricity instrument and control unit power supply.
Background technology
In the long distance power transmission technology, usually adopting cable is user side transmission of electric energy such as instrument and equipment as transmission medium, but because cable uses materials such as copper and aluminium, weight is bigger, the loss in long Distance Transmission process of the electric energy of transmission is serious, in order to reduce this power loss, can in the middle of transmission line, add large-scale potential device and carry voltage to improve, reduce and carry electric current, although this method is apparent in view to reducing electric energy loss, but power transmission cable and potential device not only acquisition cost are higher, and maintenance cost is bigger, run into some severe environmental conditions, be vulnerable to climate change as monitoring station on the high height above sea level mountain and nuclear test base etc., the interference in highfield and magnetic field and make the transmission of electricity energy produce fluctuation, be difficult to guarantee to device end long-time stable supply of electric power is provided.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of laser long-distance electricity transmission device, this device adopts monomode fiber to replace cable as the power transfer media, because monomode fiber weight is light, being 1310nm and 1550nm for long Distance Transmission wavelength, the light energy loss is less, and can improve luminous power by the incoming fiber optic amplifier, acquisition cost and maintenance cost are less; And the life-span of semiconductor laser and detector is longer, and the light energy that is provided is not vulnerable to variations in temperature, and the variable effect in highfield and magnetic field can be exported for equipment provide long-time reliable and stable electric power by the power circuit conversion of terminal.
The technical scheme that the present invention solves its technical problem is:
The invention provides a kind of laser long-distance electricity transmission device, comprising:
One constant-current driving power supply;
The semiconductor laser, the input of this semiconductor laser is connected with the output of constant-current driving power supply;
One monomode fiber, an end of this monomode fiber is connected with the output of semiconductor laser;
One image intensifer, the input of this image intensifer is connected with the other end of monomode fiber;
The semiconductor photo-detector, the input of this optical semiconductor detector is connected with the output of image intensifer;
One control power supply, the input of this control power supply is connected with the output of optical semiconductor detector;
One electric terminal, the input of this electric terminal is connected with the output of control power supply.
Wherein controlling power supply is the power supply of current-voltage and inverter circuit.
Wherein monomode fiber is carried light energy as transmission medium, is the low-loss power delivery of long distance.
Wherein semiconductor laser is a long wavelength semiconductor laser, and the light energy that this laser is exported is transmitted with extremely low loss in monomode fiber.
Wherein the wavelength of semiconductor laser is 1310nm or 1550nm.
Wherein image intensifer is to mix a kind of in terres rares image intensifer, optical semiconductor fiber amplifier or the nonlinear effect image intensifer.
The invention has the beneficial effects as follows: the use of semiconductor photoelectronic device, monomode fiber and image intensifer reduces the acquisition expenses of long-distance electricity transmission device and maintenance cost greatly, and satisfying simultaneously under the disturbed condition in climate change, highfield and magnetic field provides stable and supply of electric power reliably for electric terminal for a long time.
Description of drawings
For further specifying technology contents of the present invention, the invention will be further described below in conjunction with drawings and Examples, wherein:
Fig. 1 is the structural representation of laser long-distance electricity transmission device of the present invention.
Embodiment
See also shown in Figure 1ly, the invention provides a kind of laser long-distance electricity transmission device, comprising:
One constant-current driving power supply 1, this constant-current source can provide long-time stable electric current supply for semiconductor laser 2, guarantees that semiconductor laser 2 outputs are stable, and being embodied as electric terminal 7 provides constant lasting curtage supply;
One monomode fiber 3, this monomode fiber 3 is a silica fiber, carries light energy as transmission medium, can transmit single optical mode, have extremely low loss at 1310nm or two wave bands of 1550nm, an end of monomode fiber 3 is connected with the output of semiconductor laser 2;
One image intensifer 4, the input of this image intensifer 4 is connected with the other end of monomode fiber 3; This image intensifer 4 is to mix a kind of in terres rares image intensifer, optical semiconductor fiber amplifier or the nonlinear effect image intensifer; Wherein mixing the terres rares image intensifer, is to adopt special process when making optical fiber, mixes the rare earth element of minimum concentration in the fiber core layer deposition, as erbium, praseodymium or rubidium plasma, dopant ion is induced down at flashlight, produce stimulated radiation, form relevant amplification flashlight;
Semiconductor photo-detector 5, the input of this optical semiconductor detector 5 is connected with the output of image intensifer 4, and photo-detector 5 receives incident light.Under the reverse voltage effect, convert luminous power to photoelectric current.The optical power intensity that receives is big more, and the photoelectric current of generation is also big more;
One control power supply 6, the input of this control power supply 6 is connected with the output of optical semiconductor detector 5; Described control power supply 6 is power supplys of current-voltage and inverter circuit, control power supply 6 can carry out conversion and frequency and all any adjustable alternating current of voltage between electric current and the voltage according to the photoelectric current that electric terminal 7 needs are exported photo-detector 5, has multi-functional function of supplying power;
One electric terminal 7, the input of this electric terminal 7 is connected with the output of control power supply 6.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. laser long-distance electricity transmission device comprises:
One constant-current driving power supply;
The semiconductor laser, the input of this semiconductor laser is connected with the output of constant-current driving power supply;
One monomode fiber, an end of this monomode fiber is connected with the output of semiconductor laser;
One image intensifer, the input of this image intensifer is connected with the other end of monomode fiber;
The semiconductor photo-detector, the input of this optical semiconductor detector is connected with the output of image intensifer;
One control power supply, the input of this control power supply is connected with the output of optical semiconductor detector;
One electric terminal, the input of this electric terminal is connected with the output of control power supply.
2. laser long-distance electricity transmission device according to claim 1, wherein controlling power supply is the power supply of current-voltage and inverter circuit.
3. laser long-distance electricity transmission device according to claim 1, wherein monomode fiber is carried light energy as transmission medium, is the low-loss power delivery of long distance.
4. laser long-distance electricity transmission device according to claim 1, wherein semiconductor laser is a long wavelength semiconductor laser, the light energy that this laser is exported is transmitted with extremely low loss in monomode fiber.
5. according to claim 1 or 4 described laser long-distance electricity transmission devices, wherein the wavelength of semiconductor laser is 1310nm or 1550nm.
6. laser long-distance electricity transmission device according to claim 1, wherein image intensifer is to mix a kind of in terres rares image intensifer, optical semiconductor fiber amplifier or the nonlinear effect image intensifer.
Priority Applications (1)
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CN200910241683A CN101719670A (en) | 2009-12-02 | 2009-12-02 | Laser long-distance electricity transmission device |
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CN200910241683A CN101719670A (en) | 2009-12-02 | 2009-12-02 | Laser long-distance electricity transmission device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104135084A (en) * | 2013-04-30 | 2014-11-05 | 株式会社Khvatec | System and method for supplying power to transmission tower, and methods for transmitting and receiving data |
CN104242476A (en) * | 2013-06-07 | 2014-12-24 | 鸿富锦精密工业(深圳)有限公司 | Power distribution system |
CN112602274A (en) * | 2019-08-02 | 2021-04-02 | 京瓷株式会社 | Optical fiber power supply system |
CN113544984A (en) * | 2019-07-26 | 2021-10-22 | 京瓷株式会社 | Optical fiber power supply system |
-
2009
- 2009-12-02 CN CN200910241683A patent/CN101719670A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104135084A (en) * | 2013-04-30 | 2014-11-05 | 株式会社Khvatec | System and method for supplying power to transmission tower, and methods for transmitting and receiving data |
CN104242476A (en) * | 2013-06-07 | 2014-12-24 | 鸿富锦精密工业(深圳)有限公司 | Power distribution system |
CN113544984A (en) * | 2019-07-26 | 2021-10-22 | 京瓷株式会社 | Optical fiber power supply system |
US11418266B2 (en) | 2019-07-26 | 2022-08-16 | Kyocera Corporation | Power over fiber system |
CN113544984B (en) * | 2019-07-26 | 2023-10-13 | 京瓷株式会社 | Optical fiber power supply system |
CN112602274A (en) * | 2019-08-02 | 2021-04-02 | 京瓷株式会社 | Optical fiber power supply system |
CN112602274B (en) * | 2019-08-02 | 2022-05-03 | 京瓷株式会社 | Optical fiber power supply system |
US11362740B2 (en) | 2019-08-02 | 2022-06-14 | Kyocera Corporation | Power over fiber system |
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Open date: 20100602 |