CN2904434Y - Laser energy delivering power device for high voltage/ultrahigh voltage transmission system - Google Patents
Laser energy delivering power device for high voltage/ultrahigh voltage transmission system Download PDFInfo
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- CN2904434Y CN2904434Y CNU2006200126320U CN200620012632U CN2904434Y CN 2904434 Y CN2904434 Y CN 2904434Y CN U2006200126320 U CNU2006200126320 U CN U2006200126320U CN 200620012632 U CN200620012632 U CN 200620012632U CN 2904434 Y CN2904434 Y CN 2904434Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
A power device for energy transmission by laser used in high voltage or extra-high voltage power transmission system is divided into the ground part and the high voltage platform, wherein the energy is transmitted between the laser diode in the ground part and the photovoltaic exchanging device on the high voltage platform by the energy transmitting optical fiber, and the information is transmitted between the ground controlling unit and the platform power detecting unit by communication optical fiber. In the drive circuit of the laser diode, three laser diodes provided with a cooling device and a heat dissipating device is connected in series and provided with the drive currents by darlington devices, and the drive unit simultaneously can monitor the operation of the laser diode and transmit the information detected on current, temperature, etc to the controlling unit. The photovoltaic exchanging device connected in series on the high voltage transfers the laser energy transported by the energy transmitting optical fiber to the electrical energy, meanwhile, the information about the platform power is released by the platform power detecting unit in real time. The utility model has the advantages of a high reliability, a powerful anti-jamming capability and solves the problem of energy supply and insulation in the high voltage or extra-high voltage power transmission system.
Description
Technical field
The utility model relates to high pressure or the EHV transmission device in the middle of electric power system and the power electronic system, and especially a kind of high pressure/extra-high voltage transmission is with swashing the light delivery supply unit.
Background technology
High pressure/extra-high voltage transmission or device in the middle of electric power system and the power electronic system, for example in the series compensation device of superhigh pressure transmission line of alternation current controllable series compensation/fixedly, the data acquisition unit that its measurement section branch adopts is active metering system, and this just need provide power supply for the data acquisition unit on the superhigh pressure platform.A kind of feasible scheme is to adopt to swash the light delivery supply unit, promptly by the laser driving apparatus generation laser on ground, can be sent to high voltage platform to laser energy by optical fiber by sending, be direct current energy by photovoltaic converter part and correspondent peripheral circuit with transform light energy again, system provides the galvanic current source for the superhigh pressure platform measuring.The application is exactly this scheme that adopts.
The supply power mode and the implementation method of the energy are provided for device on the extra-high voltage transmission platform, be different from ground system, the energy that can provide on the extra-high voltage transmission platform becomes very valuable and limited because considering the superhigh pressure insulation, so require the supply unit and the supervisory circuit thereof of design all must have extremely low power consumption.Big electric current on the extra-high voltage transmission platform, high field intensity can cause great interference to power-switching circuit and power supply supervisory circuit on the other hand, and this requires the supply unit of design to have extremely strong anti-electromagnetic interference capability; Owing to the high-precision requirement of data acquisition unit, this supply unit must be able to provide quality good stable DC power supply, satisfies these two technical indicators of data acquisition unit voltage accuracy and ripple simultaneously.These make that all the design of supply unit has certain particularity and technical difficulty on the extra-high voltage transmission platform.
The utility model content
In order to address the above problem, the purpose of this utility model provides a kind of high pressure/extra-high voltage transmission with swashing the light delivery supply unit, can get with CT (current transformer) on the extra-high voltage transmission platform and can power supply is in parallel the data harvester be powered, the working condition of monitoring parallel connection power supply simultaneously in real time sends to laser energy feeding device above ground portion under the platform with testing result by telecommunication optical fiber; In addition, its above ground portion can communicate by CAN net and control centre, and this makes this device to be monitored and associative operation by control centre.
The technical scheme in the invention for solving the technical problem is: a kind of high pressure/extra-high voltage transmission is with swashing the light delivery supply unit, be divided into above ground portion and high voltage platform part two parts according to space layout, can transmit energy by optical fiber by sending between the photovoltaic converter part of the laser diode of above ground portion and high voltage platform, be associated with telecommunication optical fiber between the power supply detecting unit of the control unit of above ground portion and high voltage platform, realize transmission of Information.
The above ground portion of laser energy feeding device is mainly finished and laser is taken place and laser transmission is aggregated into control centre, receives the detection information that high voltage platform passes down and function such as handle accordingly to the running status of high-voltage flat platform, monitoring laser diode and with detection information.Switching Power Supply 6 is supplied with for driver element 4 and control unit 5 provide reliable and stable power supply; Driver element 4 provides drive current for laser diode 1, simultaneously detected temperature and current information is transferred to control unit 5; Refrigerator 2 and radiator 3 are laser diode 1 heat radiation, have automatic temperature-controlled function; Control unit 5 receives the detection information (the A/D conversion is carried out) that each driver element transmission comes in control unit, in addition after the data processing to the extraneous operation information that the laser energy feeding device is provided (comprising interface of device own and control centre), adopt the CAN net to communicate between device, communication protocol meets the CAN2.0A standard.Control unit receives the power supply that passes down from high voltage platform simultaneously and detects information, and controls this device and do corresponding processing.
In the drive circuit of the laser diode of above ground portion, LD1, LD2, three laser diode tandem workings of LD3, Darlington transistor T1 connects with them, for it provides drive current; Laser diode is furnished with refrigerator and heat abstractor simultaneously, is used for controlling the temperature of laser diode; Driver element can be monitored the ruuning situation of laser diode in real time, and message transmission such as detected electric current, temperature are arrived control unit; Darlington transistor T1 is connected to metal-oxide-semiconductor K1, when fault takes place, only needs to block metal-oxide-semiconductor K1 and can protect laser diode, is abnormal conditions hardware fault protection is provided.
The high voltage platform part of laser energy feeding device finishes to receive laser and laser energy is converted to the running status of power supply on electric energy, the monitoring platform and detection information is issued to ground, the functions such as free of discontinuities supply of the data harvester being powered, utilized energy-storage units realization energy in parallel with other power supply by the photovoltaic converter part.The photovoltaic converter part 9 of parallel operation receive from send can optical fiber 7 laser energy, be input to power supply unit 10 in parallel after being converted into direct current; CT gets the energy power supply and sharp light delivery power supply is realized parallel connection in power supply unit 10 in parallel, is output as the data acquisition unit power supply jointly; The ruuning situation of power supply on power supply detecting unit 11 monitoring platforms, and detected information is sent to terrestrial contr 5 by telecommunication optical fiber 8; The core devices of energy-storage units 12 is super capacitor C, super capacitor claims double electric layer capacitor again, be a kind of novel energy-storing device, compare common electric capacity, it has super charge storage ability, the energy density height, volume is little, and is pollution-free, thereby is known as super capacitor, energy-storage units 12 connects together with the output of power supply parallel connection power supply 10, and level and smooth, unremitting power supply is supplied with to guarantee being that data acquisition unit provides.
In the laser pick-off and power sense circuit in the middle of the high voltage platform part, photovoltaic converter part PV1～PV7 is many, and their parallel connections will be sent and can be converted to electric energy by the next laser energy of Optical Fiber Transmission.Power supply unit in parallel provides the parallel interface with other power supply (getting the energy power supply such as CT), and they and energy-storage units are supplied with for data acquisition unit provides unremitting power supply jointly, and it is double electric layer capacitor that the core devices of energy-storage units adopts super capacitor C.
The power supply detecting unit of high voltage platform part is monitored the ruuning situation of various parallel connection power supplies such as Laser Power Devices in real time, and power supply detects information after being converted to light signal on the platform, is issued to the above ground portion of this device by telecommunication optical fiber.
Owing to adopted above-mentioned technical scheme, the beneficial effect that the utility model had is: have extremely strong anti-electromagnetic interference capability; Energy density height, volume are little; Has power work situation real time monitoring function; Can realize parallel operation with other kind power supply; Fault had the hardware protection function; Can communicate by CAN net and control centre.
Laser energy feeding device of the present utility model can be operated on high pressure/extra-high voltage transmission platform, have outstanding advantages such as reliability height, antijamming capability are strong, solved the energy resource supply and the insulation difficult problem of measure portion in high pressure/extra-high voltage transmission or the device well.
Description of drawings
Fig. 1 is the general structure block diagram of the utility model laser energy feeding device.
Fig. 2 is the theory diagram of the utility model laser energy feeding device above ground portion.
Fig. 3 is the theory diagram of the utility model laser energy feeding device high voltage platform part.
Fig. 4 is the drive circuit of the laser diode of the utility model laser energy feeding device.
Fig. 5 is the high voltage platform laser pick-off and the power sense circuit of the utility model laser energy feeding device.
Fig. 6 is the laser diode refrigeration circuit of the utility model laser energy feeding device.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.Thick arrow is represented energy stream among Fig. 1-3, thin arrow representation signal stream.
This laser energy feeding device is divided into above ground portion and high voltage platform part two parts according to space layout, between the two can optical fiber and telecommunication optical fiber realization energy and transmission of Information by sending.
Figure 2 shows that the theory diagram of laser energy feeding device above ground portion, mainly finish and laser takes place and laser transmission is aggregated into control centre, receives the detection information that high voltage platform passes down and function such as handle accordingly to the running status of high-voltage flat platform, monitoring laser diode and with detection information.
Figure 3 shows that the theory diagram of laser energy feeding device high voltage platform part, mainly finish receiving laser and laser energy is converted to the running status of power supply on electric energy, the monitoring platform and detection information is issued to ground, the functions such as free of discontinuities supply of the data harvester being powered, utilized energy-storage units realization energy in parallel with other power supply.
Figure 4 shows that the drive circuit of laser diode.LD1, LD2, LD3 are the laser diode of three tandem workings among the figure, provide drive current by Darlington transistor T1 for it, for laser diode has been equipped with refrigerator and heat abstractor, are used for controlling the temperature of laser diode simultaneously.Drive circuit can be monitored the ruuning situation of laser diode in real time, and message transmission such as detected electric current, temperature are arrived control unit.Drive circuit also provides hardware fault protection for abnormal conditions, when fault takes place, only needs to block metal-oxide-semiconductor K1 and can protect laser diode.
Among the figure, control unit receives the detection information (the A/D conversion is carried out) that each driver element transmission comes in control unit, in addition after the data processing to the extraneous operation information that the laser energy feeding device is provided (comprising interface of device own and control centre), adopt the CAN net to communicate between device, communication protocol meets the CAN2.0A standard.Control unit receives the power supply that passes down from high voltage platform simultaneously and detects information, and controls this device and do corresponding processing.
Figure 5 shows that platform laser pick-off and power sense circuit.PV1～PV7 is many photovoltaic converter parts among the figure, and their parallel connections will be sent and can be converted to electric energy by the next laser energy of Optical Fiber Transmission.Power supply unit in parallel provides the parallel interface with other power supply (getting the energy power supply such as CT), leave the physical interface in parallel with other power supply, can adopt 4 pins tight phoenix terminal with lock, they and energy-storage units are supplied with for data acquisition unit provides unremitting power supply jointly, and super capacitor C is the core devices of energy-storage units among the figure.
Among Fig. 5, the power supply detecting unit is monitored the ruuning situation of various parallel connection power supplies such as Laser Power Devices in real time, and power supply detects information after being converted to light signal on the platform, is issued to the above ground portion of this device by telecommunication optical fiber.
Figure 6 shows that the laser diode refrigeration circuit.Resistance R t is the thermo-sensitive resistor of laser diode self among the figure, and it and its excess-three resistance have been formed bridge circuit, send detected temperature value to control unit.When the temperature of laser diode surpasses the threshold value of setting, will open metal-oxide-semiconductor K2 startup refrigerator and freeze; When temperature value is lower than the threshold value of setting, will close metal-oxide-semiconductor K2 and refrigerator is quit work, so just realized automatic temperature-controlled function to laser diode, wherein the temperature threshold value can be regulated by adjustable resistance R3.Here refrigerator adopts semiconductor cooler, and laser diode is installed in its huyashi-chuuka (cold chinese-style noodles), at the hot side of refrigerator big sheet heat radiator is installed, to reach the effect of quick heat radiating.
Claims (8)
1, a kind of high pressure/extra-high voltage transmission is with swashing the light delivery supply unit, it is characterized in that: be divided into above ground portion and high voltage platform part two parts according to space layout, can be connected by optical fiber by sending between the photovoltaic converter part of the laser diode of above ground portion and high voltage platform, be associated with telecommunication optical fiber between the power supply detecting unit of the control unit of above ground portion and high voltage platform;
Above ground portion is by control unit, driver element, formations such as Switching Power Supply and laser diode; Control unit receives the power supply detection information and the driver element that pass down from high voltage platform and transmits the detection information of coming, carry out after the data processing providing the operation information of laser energy feeding device to the interface of device own and control centre, adopt the CAN net to communicate between each device of system, communication protocol meets the CAN2.0A standard;
In the drive circuit of the laser diode of above ground portion, Darlington transistor is connected with laser diode, and for it provides drive current, laser diode is furnished with refrigerator and heat abstractor simultaneously; Driver element is monitored the ruuning situation of laser diode in real time, and message transmission such as detected electric current, temperature are arrived control unit; Darlington transistor is connected to metal-oxide-semiconductor, is used for turn-offing Darlington transistor when fault, with the protection laser diode;
The high voltage platform of laser energy feeding device part is by the photovoltaic converter part, power supply unit in parallel, power supply detecting unit, formations such as energy-storage units; The photovoltaic converter part will send and can be converted to electric energy by the next laser energy of Optical Fiber Transmission; It is in parallel that the energy power supply is got with the output of photovoltaic converter part and CT in power supply unit in parallel, and the data harvester is powered; Between data acquisition unit and power supply unit in parallel, be provided with energy-storage units, supply with the free of discontinuities of guaranteeing energy.
2, high pressure according to claim 1/extra-high voltage transmission is characterized in that with swashing the light delivery supply unit: in the drive circuit of the laser diode of above ground portion, and three laser diodes series connection.
3, high pressure according to claim 1/extra-high voltage transmission is characterized in that with swashing the light delivery supply unit: in the laser pick-off and power sense circuit in the middle of the high voltage platform part, the photovoltaic converter part is many parallel connections.
4, high pressure according to claim 1/extra-high voltage transmission is with swashing the light delivery supply unit, and it is characterized in that: energy-storage units is made of double electric layer capacitor.
5, according to claim 1 or the sharp light delivery supply unit of 4 described high pressure/extra-high voltage transmission, it is characterized in that: power supply unit in parallel leaves the physical interface in parallel with other power supply.
6, high pressure according to claim 5/extra-high voltage transmission is characterized in that with swashing the light delivery supply unit: power supply unit in parallel adopts 4 pins tight phoenix terminal with lock as the physical interface in parallel with other power supply.
7, according to the sharp light delivery supply unit of claim 1,2 or 3 described high pressure/extra-high voltage transmission, it is characterized in that: in the laser diode refrigeration circuit, the thermo-sensitive resistor of laser diode self and its an excess-three resistance is formed bridge circuit, sends detected temperature value to control unit; In the middle of described bridge circuit, can be provided with an adjustable resistance,, realize automatic temperature-controlled function laser diode to regulate the temperature threshold value of laser diode.
8, high pressure according to claim 7/extra-high voltage transmission is with swashing the light delivery supply unit, it is characterized in that: the refrigerator of laser diode adopts semiconductor cooler, laser diode is installed in its huyashi-chuuka (cold chinese-style noodles), at the hot side of refrigerator big sheet heat radiator is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200126320U CN2904434Y (en) | 2006-04-10 | 2006-04-10 | Laser energy delivering power device for high voltage/ultrahigh voltage transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200126320U CN2904434Y (en) | 2006-04-10 | 2006-04-10 | Laser energy delivering power device for high voltage/ultrahigh voltage transmission system |
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| CN2904434Y true CN2904434Y (en) | 2007-05-23 |
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| CNU2006200126320U Expired - Lifetime CN2904434Y (en) | 2006-04-10 | 2006-04-10 | Laser energy delivering power device for high voltage/ultrahigh voltage transmission system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102338913A (en) * | 2011-10-28 | 2012-02-01 | 江苏奥雷光电有限公司 | Active optical cable utilizing photovoltaic effect to transmit electric energy |
| CN103163481A (en) * | 2011-12-09 | 2013-06-19 | 中国电力科学研究院 | 1000 kV extra-high voltage series compensation laser energy sending device type test method |
| CN103384094A (en) * | 2013-06-28 | 2013-11-06 | 中国科学院安徽光学精密机械研究所 | Method for providing electricity for high-voltage power transmission line control monitoring system based on laser photoelectric converting |
| CN103812494A (en) * | 2014-01-27 | 2014-05-21 | 中国南方电网有限责任公司超高压输电公司百色局 | Energy conversion and signal processing circuit for series compensation protection system secondary sampling device |
| CN103929053A (en) * | 2013-01-15 | 2014-07-16 | 安捷伦科技有限公司 | Energy dissipating device for DC power supplies |
| 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 |
| CN105762211A (en) * | 2015-12-31 | 2016-07-13 | 天津蓝天太阳科技有限公司 | Photoelectric energy conversion module |
| CN106451826A (en) * | 2016-12-02 | 2017-02-22 | 国家电网公司 | Laser energy power supply device and method |
| CN107332301A (en) * | 2017-06-29 | 2017-11-07 | 南京航空航天大学 | The energy control method of laser radio electric energy transmission system based on efficiency optimization |
| CN107453685A (en) * | 2017-09-25 | 2017-12-08 | 山东鲁能智能技术有限公司 | A kind of energy supplying system of power circuit temperature measuring equipment |
| CN108539809A (en) * | 2018-03-23 | 2018-09-14 | 同济大学 | A kind of wireless optical charging safety control system and method based on protection light |
| CN112952542A (en) * | 2021-02-01 | 2021-06-11 | 中国航空制造技术研究院 | Control system and control method for self-adaptive transmission of laser energy |
| US11063495B2 (en) | 2019-07-01 | 2021-07-13 | Nidec Motor Corporation | Heatsink clamp for multiple electronic components |
| CN114442238A (en) * | 2022-01-28 | 2022-05-06 | 中国科学院合肥物质科学研究院 | 400KV high-voltage suspension type optical fiber energy supply data transmission device |
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2006
- 2006-04-10 CN CNU2006200126320U patent/CN2904434Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102338913A (en) * | 2011-10-28 | 2012-02-01 | 江苏奥雷光电有限公司 | Active optical cable utilizing photovoltaic effect to transmit electric energy |
| CN103163481A (en) * | 2011-12-09 | 2013-06-19 | 中国电力科学研究院 | 1000 kV extra-high voltage series compensation laser energy sending device type test method |
| CN103929053B (en) * | 2013-01-15 | 2018-02-13 | 是德科技股份有限公司 | Energy consumption equipment for dc source |
| CN103929053A (en) * | 2013-01-15 | 2014-07-16 | 安捷伦科技有限公司 | Energy dissipating device for DC power supplies |
| 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 |
| CN103384094A (en) * | 2013-06-28 | 2013-11-06 | 中国科学院安徽光学精密机械研究所 | Method for providing electricity for high-voltage power transmission line control monitoring system based on laser photoelectric converting |
| CN103812494B (en) * | 2014-01-27 | 2016-09-28 | 中国南方电网有限责任公司超高压输电公司百色局 | String mends energy conversion and the signal processing circuit of protection secondary system sample devices |
| CN103812494A (en) * | 2014-01-27 | 2014-05-21 | 中国南方电网有限责任公司超高压输电公司百色局 | Energy conversion and signal processing circuit for series compensation protection system secondary sampling device |
| CN105762211A (en) * | 2015-12-31 | 2016-07-13 | 天津蓝天太阳科技有限公司 | Photoelectric energy conversion module |
| CN105762211B (en) * | 2015-12-31 | 2017-08-22 | 天津蓝天太阳科技有限公司 | A kind of photoelectric energy conversion module |
| CN106451826A (en) * | 2016-12-02 | 2017-02-22 | 国家电网公司 | Laser energy power supply device and method |
| CN107332301B (en) * | 2017-06-29 | 2019-12-24 | 南京航空航天大学 | Energy control method of laser wireless power transmission system based on efficiency optimization |
| CN107332301A (en) * | 2017-06-29 | 2017-11-07 | 南京航空航天大学 | The energy control method of laser radio electric energy transmission system based on efficiency optimization |
| CN107453685A (en) * | 2017-09-25 | 2017-12-08 | 山东鲁能智能技术有限公司 | A kind of energy supplying system of power circuit temperature measuring equipment |
| CN108539809A (en) * | 2018-03-23 | 2018-09-14 | 同济大学 | A kind of wireless optical charging safety control system and method based on protection light |
| CN108539809B (en) * | 2018-03-23 | 2021-09-03 | 同济大学 | Wireless optical charging safety control system and method based on protection light |
| US11063495B2 (en) | 2019-07-01 | 2021-07-13 | Nidec Motor Corporation | Heatsink clamp for multiple electronic components |
| CN112952542A (en) * | 2021-02-01 | 2021-06-11 | 中国航空制造技术研究院 | Control system and control method for self-adaptive transmission of laser energy |
| CN114442238A (en) * | 2022-01-28 | 2022-05-06 | 中国科学院合肥物质科学研究院 | 400KV high-voltage suspension type optical fiber energy supply data transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China Electric Prime Technology Co., Ltd. Assignor: China Electric Power Research Institute Contract fulfillment period: 2008.10.10 to 2014.10.10 Contract record no.: 2008990001338 Denomination of utility model: Laser energy delivering power device for high voltage/ultrahigh voltage transmission system Granted publication date: 20070523 License type: Exclusive license Record date: 20081203 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.10 TO 2014.10.10; CHANGE OF CONTRACT Name of requester: CLP PURUI TECHNOLOGY CO., LTD. Effective date: 20081203 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070523 |
|
| EXPY | Termination of patent right or utility model |