CN103997088A - Power transmission line electronic equipment power system - Google Patents

Power transmission line electronic equipment power system Download PDF

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Publication number
CN103997088A
CN103997088A CN201410201551.4A CN201410201551A CN103997088A CN 103997088 A CN103997088 A CN 103997088A CN 201410201551 A CN201410201551 A CN 201410201551A CN 103997088 A CN103997088 A CN 103997088A
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CN
China
Prior art keywords
electronic equipment
transmission line
circuit
surge protector
storage battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410201551.4A
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Chinese (zh)
Inventor
李杨
王洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Sichuan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Sichuan Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Sichuan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410201551.4A priority Critical patent/CN103997088A/en
Publication of CN103997088A publication Critical patent/CN103997088A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a power transmission line electronic equipment power system. The power transmission line electronic equipment power system is mainly composed of an energy taking coil, a surge protector, a rectifying circuit, a filter circuit and a direct current converter, wherein the energy taking coil, the surge protector, the rectifying circuit, the filter circuit and the direct current converter are sequentially connected, the direct current converter is connected with electronic equipment and further connected with a storage battery through a charging control circuit, and the storage battery is connected with the electronic equipment. The power system is simple in structure, low in operating cost, convenient to maintain and easy to popularize. By the arrangement of a lightning protection device and the surge protector, the damage to the electronic equipment by large currents caused by lightning can be reduced, and use safety of the equipment is guaranteed; meanwhile, by the arrangement of the energy storage battery, uninterruptible power supply of the electronic equipment can be achieved, and use continuity and detection continuity of the electronic equipment are guaranteed.

Description

A kind of transmission line electronic equipment power source system
Technical field
The present invention relates to power domain, specifically refer to a kind of transmission line electronic equipment power source system.
Background technology
Along with the raising of Automation of Electric Systems level, electronic equipment is applied on high voltage transmission line more and more, as on-line monitoring equipment such as high-voltage line fault detector, inspection robot etc.Adopt laser powered sensor mode power supply cost high, high-pressure side circuit need to adopt micro-power consumption design, has strengthened design difficulty.Adopting solar storage battery is the mode of electronic equipment power supply, be difficult to provide the power supply of relatively high power, and power supply cost is high, and maintenance difficulties is large, is difficult to realize the demand of round-the-clock continued power.
Summary of the invention
The object of the present invention is to provide a kind of transmission line electronic equipment power source system, this system configuration is simple, and operating cost is low and be convenient to maintenance, can realize the steady and continuous power supply to electronic equipment.
The present invention is achieved through the following technical solutions: a kind of transmission line electronic equipment power source system; mainly by getting of being connected successively can coil, Surge Protector, rectification circuit, filter circuit, DC converter form; described DC converter is connected with electronic equipment; described DC converter is also connected with storage battery by charging control circuit, and described storage battery is connected with electronic equipment.Described storage battery is lithium iron phosphate charging battery.Can obtain alternating current from bus by coil by getting; electric current by Surge Protector enter rectification circuit be converted to direct current and after filtering circuit carry out entering DC converter after filtering and be converted to electronic equipment required voltage; voltage after DC converter conversion is simultaneously stored into storage battery by charging control circuit, is electronic equipment power supply when needed by storage battery.
Further, described charging control circuit is connected with display screen, and described charging control circuit is selected CN3058, and described charging control circuit is connected with DC converter by USB interface.CN3058 is the charger circuit that can carry out constant current/constant voltage charging to single-unit LiFePO4 rechargeable battery.This device inside comprises power transistor, does not need outside current sense resistor and choked flow diode when application.CN3058 only needs few peripheral component, and meets usb bus technical specification, is very suitable for the field of portable use.Hot modulation circuit can be at the power dissipation ratio of device large or ambient temperature chip temperature is controlled in safe range in higher.Inner fixing constant voltage charge voltage is 3.6V, also can pass through an outside resistance adjustment.Charging current is by a non-essential resistance setting.In the time of input voltage power down, CN3058 enters the sleep pattern of low-power consumption automatically, and now the current drain of battery is less than 3mA.Other function comprises the too low latch of input voltage, automatically recharges the functions such as cell-temperature monitoring and the instruction of charged state/charging done state.
Further, described in get and can coil be connected with Surge Protector by power line, described power line is anti-lightning strike antisurge power line.Described Surge Protector is selected LY1-C/3+NPE C level Surge Protector.LY1-C is the Surge Protector that belongs to C level.Its protection electric equipment is avoided the harm of various voltage surges.LY1-C includes a zinc oxide pressure-sensitive voltage that has high non-linearity characteristic (α >30).This device has that the response time is short, voltage protection level is low, high pass flow and long-life advantage, and when lightning surge is by after this Surge Protector, subsequent current there will not be especially.
Further, described in get and can coil be also connected with lightning protection device, described lightning protection device is selected LY4-D40 series C level lightning protection device.LY4-D40 series lightning protection for power supply includes a zinc oxide pressure-sensitive voltage that has high non-linearity characteristic (α >30).This device has that the response time is short, voltage protection level is low, high pass flow and long-life advantage, and when lightning surge is by after this lightning protection device, subsequent current there will not be especially.If lightning protection device is because overload is damaged, built-in tripper will move in time, and interruption is connected with power supply, and the color in simultaneous faults indicated number window becomes redness from green.
Further, described in get and can coil be also connected with regulating circuit, described regulating circuit is also connected with Surge Protector, described filter circuit output is connected with regulating circuit.In order to prevent occurring that short trouble produces the moment of large electric current in generation thunderbolt or circuit, coil secondary side can induce very high surge voltage, late-class circuit is produced to catastrophic damage, at a coil place in circuit end regulating circuit in parallel, suppress and prevent the surge voltage of induction coil generation.Along with the increase of bus current, coil-induced go out overtension, the voltage after rectifying and wave-filtering also increases thereupon, allows when maximum input voltage, will cause DC converter impaired when voltage exceedes DC converter prime.For the current rectifying and wave filtering circuit rear class that occurs in that prevents similar fault increases regulating circuit.
The present invention compared with prior art, has following beneficial effect:
(1) the present invention is simple in structure, simple in structure, and operating cost is low and be convenient to maintenance, is easy to promote;
(2) the present invention, by lightning protection device and Surge Protector are set, can reduce thunder and lightning and cause the damage of large electric current to electronic equipment, ensures that electronic equipment uses safety;
(3) the present invention is provided with energy-storage battery, can realize the uninterrupted power supply to electronic equipment, ensures the continuity that electronic equipment uses and detects.
Brief description of the drawings
Fig. 1 is general structure block diagram of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1; a kind of transmission line electronic equipment power source system; mainly by getting of being connected successively can coil, Surge Protector, rectification circuit, filter circuit, DC converter form; described DC converter is connected with electronic equipment; described DC converter is also connected with storage battery by charging control circuit, and described storage battery is connected with electronic equipment.Described storage battery is lithium iron phosphate charging battery.Can obtain alternating current from bus by coil by getting; electric current by Surge Protector enter rectification circuit be converted to direct current and after filtering circuit carry out flowing into DC converter after filtering and be converted to electronic equipment required voltage; voltage after DC converter conversion is simultaneously stored into storage battery by charging control circuit, is electronic equipment power supply when needed by storage battery.
In the present embodiment, get the mode that can combine with storage battery by coil for being operated on high-tension side electronic equipment energy supply, get energy power supply in the time of normal operating conditions, for electronic circuit provides power supply, and can charge to storage battery; When getting can power supply can not provide enough large energy for late-class circuit time, now convert storage battery energy supply to, ensure electronic equipment successively electricity work.
Embodiment 2:
As shown in Figure 1, the present embodiment further limits described charging control circuit and is connected with display screen on the basis of embodiment 1, show charged state by display screen, described charging control circuit is selected CN3058, and described charging control circuit is connected with DC converter by USB interface.CN3058 is the charger circuit that can carry out constant current/constant voltage charging to single-unit LiFePO4 rechargeable battery.This device inside comprises power transistor, does not need outside current sense resistor and choked flow diode when application.CN3058 only needs few peripheral component, and meets usb bus technical specification, is very suitable for the field of portable use.Hot modulation circuit can be at the power dissipation ratio of device large or ambient temperature chip temperature is controlled in safe range in higher.Inner fixing constant voltage charge voltage is 3.6V, also can pass through an outside resistance adjustment.Charging current is by a non-essential resistance setting.In the time of input voltage power down, CN3058 enters the sleep pattern of low-power consumption automatically, and now the current drain of battery is less than 3mA.Other function comprises the too low latch of input voltage, automatically recharges the functions such as cell-temperature monitoring and the instruction of charged state/charging done state.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The present embodiment is got and can be connected with Surge Protector by power line by coil described in further limiting on the basis of embodiment 1, and described power line is anti-lightning strike antisurge power line.Described Surge Protector is selected LY1-C/3+NPE C level Surge Protector.LY1-C is the Surge Protector that belongs to C level.Its protection electric equipment is avoided the harm of various voltage surges.LY1-C includes a zinc oxide pressure-sensitive voltage that has high non-linearity characteristic (α >30).This device has that the response time is short, voltage protection level is low, high pass flow and long-life advantage, and when lightning surge is by after this Surge Protector, subsequent current there will not be especially.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 4:
As shown in Figure 1, described in the present embodiment further limits on the basis of embodiment 1, get and can also be connected with lightning protection device by coil, described lightning protection device is selected LY4-D40 series C level lightning protection device.LY4-D40 series lightning protection for power supply includes a zinc oxide pressure-sensitive voltage that has high non-linearity characteristic (α >30).This device has that the response time is short, voltage protection level is low, high pass flow and long-life advantage, and when lightning surge is by after this lightning protection device, subsequent current there will not be especially.If lightning protection device is because overload is damaged, built-in tripper will move in time, and interruption is connected with power supply, and the color in simultaneous faults indicated number window becomes redness from green.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 5:
As shown in Figure 1, described in the present embodiment further limits on the basis of embodiment 1, get and can also be connected with regulating circuit by coil, described regulating circuit is also connected with Surge Protector, and described filter circuit output is connected with regulating circuit.In order to prevent occurring that short trouble produces the moment of large electric current in generation thunderbolt or circuit, coil secondary side can induce very high surge voltage, late-class circuit is produced to catastrophic damage, at a coil place in circuit end regulating circuit in parallel, suppress and prevent the surge voltage of induction coil generation.Along with the increase of bus current, coil-induced go out overtension, the voltage after rectifying and wave-filtering also increases thereupon, allows when maximum input voltage, will cause DC converter impaired when voltage exceedes DC converter prime.For the current rectifying and wave filtering circuit rear class that occurs in that prevents similar fault increases regulating circuit.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, equivalent variations that every foundation technical spirit of the present invention is done above embodiment, within all falling into protection scope of the present invention.

Claims (7)

1. a transmission line electronic equipment power source system; it is characterized in that: mainly by getting of being connected successively can coil, Surge Protector, rectification circuit, filter circuit, DC converter form; described DC converter is connected with electronic equipment; described DC converter is also connected with storage battery by charging control circuit, and described storage battery is connected with electronic equipment.
2. a kind of transmission line electronic equipment power source system according to claim 1, it is characterized in that: described charging control circuit is connected with display screen, described charging control circuit is selected CN3058, and described charging control circuit is connected with DC converter by USB interface.
3. a kind of transmission line electronic equipment power source system according to claim 1, is characterized in that: described storage battery is lithium iron phosphate charging battery.
4. a kind of transmission line electronic equipment power source system according to claim 1, is characterized in that: described in get and can coil be connected with Surge Protector by power line, described power line is anti-lightning strike antisurge power line.
5. a kind of transmission line electronic equipment power source system according to claim 1, is characterized in that: described in get and can coil be also connected with lightning protection device, described lightning protection device is selected LY4-D40 series C level lightning protection device.
6. a kind of transmission line electronic equipment power source system according to claim 1; it is characterized in that: described in get and can coil be also connected with regulating circuit; described regulating circuit is also connected with Surge Protector, and described filter circuit output is connected with regulating circuit.
7. a kind of transmission line electronic equipment power source system according to claim 6, is characterized in that: described Surge Protector is selected LY1-C/3+NPE C level Surge Protector.
CN201410201551.4A 2014-05-13 2014-05-13 Power transmission line electronic equipment power system Pending CN103997088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410201551.4A CN103997088A (en) 2014-05-13 2014-05-13 Power transmission line electronic equipment power system

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Application Number Priority Date Filing Date Title
CN201410201551.4A CN103997088A (en) 2014-05-13 2014-05-13 Power transmission line electronic equipment power system

Publications (1)

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CN103997088A true CN103997088A (en) 2014-08-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106785982A (en) * 2017-01-06 2017-05-31 平高集团有限公司 A kind of high-tension switch gear
CN110149062A (en) * 2019-04-11 2019-08-20 广东电网有限责任公司 A kind of transmission line equipment energy supplying system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200973131Y (en) * 2006-10-26 2007-11-07 梁明 Electromagnetic induction communication power supply device
CN101860084A (en) * 2010-05-31 2010-10-13 北京交通大学 Power supply source of high-voltage side measuring system
CN103390917A (en) * 2013-07-14 2013-11-13 鸥瑞智诺能源科技(北京)有限公司 Built-in charging management type battery pack
CN203312887U (en) * 2013-07-01 2013-11-27 ***通信集团河南有限公司 DC emergency power supply
CN203883517U (en) * 2014-05-13 2014-10-15 国家电网公司 A power transmission line electronic equipment power supply system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200973131Y (en) * 2006-10-26 2007-11-07 梁明 Electromagnetic induction communication power supply device
CN101860084A (en) * 2010-05-31 2010-10-13 北京交通大学 Power supply source of high-voltage side measuring system
CN203312887U (en) * 2013-07-01 2013-11-27 ***通信集团河南有限公司 DC emergency power supply
CN103390917A (en) * 2013-07-14 2013-11-13 鸥瑞智诺能源科技(北京)有限公司 Built-in charging management type battery pack
CN203883517U (en) * 2014-05-13 2014-10-15 国家电网公司 A power transmission line electronic equipment power supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106785982A (en) * 2017-01-06 2017-05-31 平高集团有限公司 A kind of high-tension switch gear
CN110149062A (en) * 2019-04-11 2019-08-20 广东电网有限责任公司 A kind of transmission line equipment energy supplying system

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Application publication date: 20140820

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