CN205404706U - Electric automobile fills electric pile's electric energy quality dynamic monitoring system based on DSP - Google Patents

Electric automobile fills electric pile's electric energy quality dynamic monitoring system based on DSP Download PDF

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Publication number
CN205404706U
CN205404706U CN201620160673.8U CN201620160673U CN205404706U CN 205404706 U CN205404706 U CN 205404706U CN 201620160673 U CN201620160673 U CN 201620160673U CN 205404706 U CN205404706 U CN 205404706U
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current
dsp
electric
dynamic monitoring
electric automobile
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CN201620160673.8U
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Chinese (zh)
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李凯
韩松
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Guizhou University
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Guizhou University
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Abstract

The utility model discloses an electric automobile fills electric pile's electric energy quality dynamic monitoring system based on DSP, including the current -voltage sensor, amplifier circuit module, filtering circuit module, multichannel AD module and the DSP controller that connect gradually, the current -voltage sensor includes current sensor and voltage sensor, and the DSP controller is connected to the industrial computer, and the industrial computer is connected to the host computer, and current sensor adopts flexible electric current loop. The utility model discloses the current -voltage that will fill electric pile gathers and quality analysis, and transmit the result to host computer and carry out data statement inquiry, the security and the real -time of gathering have been improved, flexible electric current loop measuring range broad, it is small and exquisite light, on -the -spot installation and debugging are convenient, guarantee test data's reliability, test simple structure, it is narrow effectively to have solved the current measurement scope that exists among the prior art, the inconvenient problem of installation and debugging, control simple structure still has, low price and control convenient and fast, the characteristics that the maintenance cost is low.

Description

A kind of power quality dynamic monitoring system of the electric automobile charging pile based on DSP
Technical field
This utility model relates to the power quality dynamic monitoring system of a kind of electric automobile charging pile based on DSP.
Background technology
Along with extensive use and the development of Power Electronic Technique, electric power system adds substantial amounts of nonlinear load, cause power network current, voltage waveform to be distorted, produce the harmonic pollution of electrical network.Additionally, impact, wavy load not only can produce substantial amounts of higher hamonic wave in running, and voltage pulsation, flickering, three-phase imbalance are on the rise, these safeties that adverse effect of electrical network not only results in electricity supply and use equipment itself reduce, and can seriously undermine and disturb the economical operation of electrical network, cause the public hazards to electrical network.Electric automobile charging pile is a kind of brand-new power load just risen in recent years, and the impact of the quality of power supply is merited attention and studies by it.
Pure electric automobile is the most important direction of new-energy automobile development, pollutes significant for energy-conserving and environment-protective, minimizing carbon emission.In recent years, national industrial policies, Chinese Financial Subsidy Policies stimulation under, ev industry is swift and violent in China's development, and the recoverable amount of electric automobile increases year by year, and many cities establish vehicle charging station in succession.Electric automobile charging station is important supporting infrastructure necessary to Development of EV, and electric automobile charging pile therein is the important component part of ev industry chain.While ev industry develops, should take into full account and study the electric automobile charging pile impact on the electrical network quality of power supply.
During for the measurement scope of electric current more than 1000A, adopting traditional current sensor current clamp cannot meet measurement scope, current clamp site installation test is inconvenient.
Summary of the invention
The technical problems to be solved in the utility model is: provide the power quality dynamic monitoring system of a kind of electric automobile charging pile based on DSP, in real time monitoring and and to gather safety high, measure wide ranges, installation and debugging are convenient, to solve problems of the prior art.
The technical scheme that this utility model is taked is: the power quality dynamic monitoring system of a kind of electric automobile charging pile based on DSP, including the current/voltage sensor being sequentially connected with, amplification circuit module, filter circuit module, multichannel A/D module and dsp controller, described current/voltage sensor includes current sensor and voltage sensor, current sensor and voltage sensor are parallel-connected to amplification circuit module, described dsp controller is connected to industrial computer, described industrial computer is connected to host computer, and described current sensor adopts flexible current ring.
Preferably, above-mentioned dsp controller is also associated with GPS sectors die block, input switch amount module and relay, realized the seamless analysis of the quality of power supply by GPS sectors die block, the quality of power supply is seamless analyzes the power quality problem that can catch all impact nonlinear-loads exhaustive, the input of current/voltage is controlled by input switch amount module, the OFF signal that has of reflection production process is converted to the digital signal that DSP unit can receive, various interference and high voltage is prevented to scurry into DSP inside and affect the DSP reliability worked, relay is the break-make that weakness controls forceful electric power, control the control break-make of voltage x current input.
Preferably, above-mentioned filter circuit module adopts frequency overlapped-resistable filter, and frequency overlapped-resistable filter can eliminate high fdrequency component interference and the aliasing effect because of numeral sample strip.
Preferably, above-mentioned host computer is connected to industrial computer by telephone wire, netting twine or light, and telephone wire, netting twine or the transmission of light data are reliable quickly.
Preferably, above-mentioned host computer is connected to user terminal by LAN module, and the user terminal (computer) that database data in host computer is shown to self by LAN module by user comes up, and substantially increases monitoring effect and promptness.
Preferably, above-mentioned host computer is also associated with printer, can form real-time in host computer, testing journal sheet, statistical report form, trendgram, spectrogram and oscillogram etc. be printed by printer.
The beneficial effects of the utility model: compared with prior art, the current/voltage of charging pile is acquired and quality analysis by this utility model, and transmit the result to host computer and carry out data sheet inquiry, achieve the quality of power supply dynamic monitoring of charging pile, substantially increase safety and the real-time of collection, flexible current ring is adopted to be acquired by the electric current of charging pile, it measures wider range, small volume and less weight, site installation test is convenient, ensure the reliability of test data, test simple in construction, efficiently solve the current measuring range existed in prior art narrow, the problem that installation and debugging are inconvenient, it is simple that this utility model also has control structure, low price and easy to control fast, the feature that maintenance cost is low.
Accompanying drawing explanation
Fig. 1 is control structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, utility model is described further.
Embodiment 1: as shown in Figure 1, a kind of power quality dynamic monitoring system of the electric automobile charging pile based on DSP, including the current/voltage sensor being sequentially connected with, amplification circuit module, filter circuit module, multichannel A/D module and dsp controller, described current/voltage sensor includes current sensor and voltage sensor, current sensor and voltage sensor are parallel-connected to amplification circuit module, described dsp controller is connected to industrial computer, described industrial computer is connected to host computer, and described current sensor adopts flexible current ring.
Preferably, above-mentioned dsp controller is also associated with GPS sectors die block, input switch amount module and relay, realized the seamless analysis of the quality of power supply by GPS sectors die block, the quality of power supply is seamless analyzes the power quality problem that can catch all impact nonlinear-loads exhaustive, the input of current/voltage is controlled by input switch amount module, the OFF signal that has of reflection production process is converted to the digital signal that DSP unit can receive, various interference and high voltage is prevented to scurry into DSP inside and affect the DSP reliability worked, relay is the break-make that weakness controls forceful electric power, control the control break-make of voltage x current input.
Preferably, above-mentioned filter circuit module adopts frequency overlapped-resistable filter, and frequency overlapped-resistable filter can eliminate high fdrequency component interference and the aliasing effect because of numeral sample strip.
Preferably, above-mentioned host computer is connected to industrial computer by telephone wire, netting twine or light, and telephone wire, netting twine or the transmission of light data are reliable quickly.
Preferably, above-mentioned host computer is connected to user terminal by LAN module, and the user terminal (computer) that database data in host computer is shown to self by LAN module by user comes up, and substantially increases monitoring effect and promptness.
Preferably, above-mentioned host computer is also associated with printer, can form real-time in host computer, testing journal sheet, statistical report form, trendgram, spectrogram and oscillogram etc. be printed by printer.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace; all should being encompassed within protection domain of the present utility model, therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.

Claims (6)

1. the power quality dynamic monitoring system based on the electric automobile charging pile of DSP, it is characterized in that: include the current/voltage sensor, amplification circuit module, filter circuit module, multichannel A/D module and the dsp controller that are sequentially connected with, described current/voltage sensor includes current sensor and voltage sensor, current sensor and voltage sensor are parallel-connected to amplification circuit module, described dsp controller is connected to industrial computer, described industrial computer is connected to host computer, and described current sensor adopts flexible current ring.
2. the power quality dynamic monitoring system of a kind of electric automobile charging pile based on DSP according to claim 1, it is characterised in that: described dsp controller is also associated with GPS sectors die block, input switch amount module and relay.
3. the power quality dynamic monitoring system of a kind of electric automobile charging pile based on DSP according to claim 1, it is characterised in that: described filter circuit module adopts frequency overlapped-resistable filter.
4. the power quality dynamic monitoring system of a kind of electric automobile charging pile based on DSP according to claim 1, it is characterised in that: described host computer is connected to industrial computer by telephone wire, netting twine or light.
5. the power quality dynamic monitoring system of a kind of electric automobile charging pile based on DSP according to claim 1, it is characterised in that: described host computer is connected to user terminal by LAN module.
6. the power quality dynamic monitoring system of a kind of electric automobile charging pile based on DSP according to claim 1, it is characterised in that: described host computer is also associated with printer.
CN201620160673.8U 2016-03-03 2016-03-03 Electric automobile fills electric pile's electric energy quality dynamic monitoring system based on DSP Active CN205404706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620160673.8U CN205404706U (en) 2016-03-03 2016-03-03 Electric automobile fills electric pile's electric energy quality dynamic monitoring system based on DSP

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620160673.8U CN205404706U (en) 2016-03-03 2016-03-03 Electric automobile fills electric pile's electric energy quality dynamic monitoring system based on DSP

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CN205404706U true CN205404706U (en) 2016-07-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106933148A (en) * 2017-03-22 2017-07-07 武汉理工大学 Electrical Propulsion Ship real-time monitoring system based on PIC single chip microcomputer and DSP
CN107589323A (en) * 2017-08-30 2018-01-16 安徽千里眼信息科技有限公司 A kind of charging pile electric energy quality monitoring and charging managing and control system
CN110456146A (en) * 2019-09-04 2019-11-15 深圳宝龙达信创科技股份有限公司 Power detection device and power detecting method
CN111047119A (en) * 2020-01-08 2020-04-21 浙江大学 Electric vehicle charging station dynamic pricing method for regulating and controlling power quality

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106933148A (en) * 2017-03-22 2017-07-07 武汉理工大学 Electrical Propulsion Ship real-time monitoring system based on PIC single chip microcomputer and DSP
CN107589323A (en) * 2017-08-30 2018-01-16 安徽千里眼信息科技有限公司 A kind of charging pile electric energy quality monitoring and charging managing and control system
CN110456146A (en) * 2019-09-04 2019-11-15 深圳宝龙达信创科技股份有限公司 Power detection device and power detecting method
CN111047119A (en) * 2020-01-08 2020-04-21 浙江大学 Electric vehicle charging station dynamic pricing method for regulating and controlling power quality

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