CN203883517U - A power transmission line electronic equipment power supply system - Google Patents

A power transmission line electronic equipment power supply system Download PDF

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Publication number
CN203883517U
CN203883517U CN201420244480.1U CN201420244480U CN203883517U CN 203883517 U CN203883517 U CN 203883517U CN 201420244480 U CN201420244480 U CN 201420244480U CN 203883517 U CN203883517 U CN 203883517U
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CN
China
Prior art keywords
electronic equipment
transmission line
circuit
surge protector
coil
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.)
Expired - Lifetime
Application number
CN201420244480.1U
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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
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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 CN201420244480.1U priority Critical patent/CN203883517U/en
Application granted granted Critical
Publication of CN203883517U publication Critical patent/CN203883517U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a power transmission line electronic equipment power supply system mainly comprising an energy acquiring coil, a surge protector, a rectifying circuit, a filter circuit and a direct current converter which are connected in order. The direct current converter is connected with electronic equipment and is connected with an accumulator through a charging control circuit. The accumulator is connected with the electronic equipment. The power transmission line electronic equipment power supply system is simple in structure, low in operational cost, and easy to maintain and promote. With a lightning protection device and the surge protector, the system can reduce damage to the electronic equipment caused by large current generated by lightning and guarantee the using safety of the equipment. The system is provided with the energy storage accumulator and can supply power to the electronic equipment uninterruptibly, thereby guaranteeing the continuity of use and detection of the electronic equipment.

Description

A kind of transmission line electronic equipment power source system
Technical field
The utility model relates to power domain, specifically refers 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.
Utility model content
The purpose of this utility model is to provide a kind of transmission line electronic equipment power source system, and 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 utility model 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.By getting, can from bus, obtain alternating current by coil; 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 that electronic equipment is powered 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 during 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 arranges by a non-essential resistance.When 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 that input voltage is too low and latchs, automatically recharges the functions such as cell-temperature monitoring and the indication of charged state/charging done state.
Further, described in get and can coil by power line, be connected with Surge Protector, 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 there is 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, the coil-induced overtension going out, the voltage after rectifying and wave-filtering also increases thereupon, when voltage surpasses DC converter prime and allows maximum input voltage, will cause DC converter impaired.In order to prevent that the current rectifying and wave filtering circuit rear class that occurs in of similar fault from increasing regulating circuit.
The utility model compared with prior art, has following beneficial effect:
(1) the utility model is simple in structure, simple in structure, and operating cost is low and be convenient to maintenance, is easy to promote;
(2) the utility model, 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 utility model is provided with energy-storage battery, can realize the uninterrupted power supply to electronic equipment, ensures the continuity that electronic equipment uses and detects.
Accompanying drawing explanation
Fig. 1 is the utility model general structure block diagram.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in detail, but execution mode of the present utility model is 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.By getting, can from bus, obtain alternating current by coil; 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 that electronic equipment is powered when needed by storage battery.
In the present embodiment, by coil, get the mode that can combine with storage battery for being operated on high-tension side electronic equipment energy supply, get can power supply when 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, guarantee 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, by display screen, show charged state, 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 during 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 arranges by a non-essential resistance.When 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 that input voltage is too low and latchs, automatically recharges the functions such as cell-temperature monitoring and the indication 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 by power line, be connected with Surge Protector 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 there is 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, the coil-induced overtension going out, the voltage after rectifying and wave-filtering also increases thereupon, when voltage surpasses DC converter prime and allows maximum input voltage, will cause DC converter impaired.In order to prevent that the current rectifying and wave filtering circuit rear class that occurs in of similar fault from increasing regulating circuit.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, within all falling into protection range of the present utility model.

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 by power line, be connected with Surge Protector by coil, 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 also be connected with lightning protection device by coil, 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.
CN201420244480.1U 2014-05-13 2014-05-13 A power transmission line electronic equipment power supply system Expired - Lifetime CN203883517U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420244480.1U CN203883517U (en) 2014-05-13 2014-05-13 A power transmission line electronic equipment power supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420244480.1U CN203883517U (en) 2014-05-13 2014-05-13 A power transmission line electronic equipment power supply system

Publications (1)

Publication Number Publication Date
CN203883517U true CN203883517U (en) 2014-10-15

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CN201420244480.1U Expired - Lifetime CN203883517U (en) 2014-05-13 2014-05-13 A power transmission line electronic equipment power supply system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103997088A (en) * 2014-05-13 2014-08-20 国家电网公司 Power transmission line electronic equipment power system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103997088A (en) * 2014-05-13 2014-08-20 国家电网公司 Power transmission line electronic equipment power system

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Granted publication date: 20141015