CN205719106U - Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device - Google Patents
Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device Download PDFInfo
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- CN205719106U CN205719106U CN201620629277.5U CN201620629277U CN205719106U CN 205719106 U CN205719106 U CN 205719106U CN 201620629277 U CN201620629277 U CN 201620629277U CN 205719106 U CN205719106 U CN 205719106U
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- charging pile
- electric vehicle
- main control
- control module
- current charging
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Abstract
The utility model discloses a kind of electric vehicle alternating-current charging pile running environment analyses and prediction alarm device, including the main control module being arranged in housing and arrange the display on housing, guidance panel, buzzer and data acquisition unit；Wherein data acquisition unit includes temperature sensor, electromagnetic interference sensor, unpolarizable electrode and magnetic field strength transducer；The input of described main control module signal end with guidance panel, temperature sensor, electromagnetic interference sensor, unpolarizable electrode and magnetic field strength transducer respectively is connected, and the outfan of main control module connects display and buzzer respectively.This utility model can carry out Real-time Collection to the ambient parameter of equipment work, show, analyzes and predict in electric vehicle alternating-current charging pile running, report to the police when certain ambient parameter is beyond normal range, prompting is patrolled and examined operating personnel and is taken measures in time, it is ensured that Control Room can obtain authentic and valid electric vehicle alternating-current charging pile operational factor the moment.
Description
Technical field
This utility model relates to electric vehicle engineering field, particularly a kind of for running electric vehicle alternating-current charging pile
The device that environment is predicted, analyzes and reports to the police.
Background technology
Electric vehicle alternating-current charging pile is that one can carry out smart charge to user for charging electric vehicle simultaneously
Device.Alternating current circuit in charging pile and the parameters of electrical network reflect the running status of charging pile, and these parameters need
Carrier communication system is utilized to be sent to control centre in real time, in order to charging pile to be overhauled, the work such as maintenance.Power line carrier
Communication system, using electric lines of force as transmission media, utilizes carrier system analog or digital signal to be become high-frequency signal, by electricity
The line of force realizes long-distance transmissions, has long transmission distance, channel reliability is high, level security is good, small investment instant effect and electricity
The advantages such as synchronization built by net；But it is higher to the requirement of environmental factors, when the electric field intensity in local environment, magnetic induction are strong
When degree, electromagnetic interference degree, ambient temperature etc. change, its message transmission rate and distortion rate will be by extreme influence.
When changing yet with environmental factors, patrol and examine operating personnel often cannot automatic sensing, also cannot obtain in time environment become
Change information, therefore cannot ensure that Control Room can obtain each fortune of authentic and valid charging pile alternating current circuit and electrical network the moment
Line parameter.
Utility model content
This utility model technical issues that need to address are to provide one and can run at electric vehicle alternating-current charging pile
The running environment analysis of the ambient parameter of real-time watch device work in journey the alert when ambient parameter exception is pre-
Measuring alarming device.
For solving above-mentioned technical problem, technical solution adopted in the utility model is as follows.
Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device, including the main control module being arranged in housing
And the display on housing, guidance panel, buzzer and for measuring the data acquisition unit of ambient parameter are set；Wherein
Data acquisition unit includes the temperature sensor for gathering ambient temperature parameter, for gathering environment electromagnetics interference strength signal
Electromagnetic interference sensor, for measuring the unpolarizable electrode of environment electric field intensity and for gathering environmental magnetic field strength signal
Magnetic field strength transducer；The input of described main control module senses with guidance panel, temperature sensor, electromagnetic interference respectively
The signal end of device, unpolarizable electrode and magnetic field strength transducer connects, the outfan of main control module connect respectively display and
Buzzer.
Above-mentioned electric vehicle alternating-current charging pile running environment analyses and prediction alarm device, is additionally provided with connection in described housing
Driving warning circuit between main control module and buzzer；Described driving warning circuit include audion, the first resistance, second
Resistance and fly-wheel diode, the base stage of audion connects the outfan of main control module, the colelctor electrode of audion through the first resistance
Connecting power supply, the emitter stage of audion connects one end of buzzer, the other end ground connection of buzzer, afterflow two pole through the second resistance
Pipe is connected in series between the second resistance and ground.
Above-mentioned electric vehicle alternating-current charging pile running environment analyses and prediction alarm device, described housing is provided with draw-in groove,
Being fitted with SD card in draw-in groove, in housing, being provided with the module for reading and writing for SD card being carried out read-write operation, module for reading and writing controlled
End connects the outfan of main control module.
Above-mentioned electric vehicle alternating-current charging pile running environment analyses and prediction alarm device, the master chip of described main control module is
MSP430F149IPMR single-chip microcomputer.
Above-mentioned electric vehicle alternating-current charging pile running environment analyses and prediction alarm device, described display is LED dot matrix screen.
Owing to have employed above technical scheme, technological progress acquired by this utility model is as follows.
The ambient parameter of equipment work can be carried out in electric vehicle alternating-current charging pile running by this utility model
Real-time Collection, show, analyze and predict, can report to the police when certain ambient parameter is beyond normal range, and corresponding different ginseng
Number buzzing sends different alarm sounds, patrols and examines operating personnel with prompting and takes measures in time, it is ensured that Control Room can obtain constantly
Obtain authentic and valid electric vehicle alternating-current charging pile operational factor, for ensureing the properly functioning offer of electric vehicle alternating-current charging pile
Ensure.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is schematic perspective view of the present utility model；
Fig. 3 is front view of the present utility model；
Fig. 4 is inside top figure of the present utility model；
Fig. 5 is the circuit diagram of driving warning circuit described in the utility model.
Wherein: 1. display, 2. switch, 3. guidance panel, 4. temperature sensor, 5. electromagnetic interference sensor, the most not pole
Polarizing electrode, 7. buzzer, 8. magnetic field strength transducer, 9. attaching plug, 10. main control module, 11. module for reading and writing.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is further elaborated.
A kind of electric vehicle alternating-current charging pile running environment analyses and prediction alarm device, its overall structure such as Fig. 2 to Fig. 4 institute
Show, including housing, be provided with main control module 10, power module, module for reading and writing 11 in housing and drive warning circuit, on housing
It is provided with attaching plug 9, switch 2, display 1, guidance panel 3, buzzer 7, draw-in groove and for measuring the number of ambient parameter
According to collecting unit, in draw-in groove, it is fitted with SD card；Data acquisition unit includes temperature sensor 4, electromagnetic interference sensor 5, not pole
Polarizing electrode 6 and magnetic field strength transducer 8.Annexation between above-mentioned each device is as it is shown in figure 1, the input of main control module
Respectively with guidance panel, temperature sensor, electromagnetic interference sensor, unpolarizable electrode and the signal end of magnetic field strength transducer
Connecting, the outfan of main control module connects display and module for reading and writing 11 respectively and drives warning circuit, module for reading and writing 11 with
SD card interconnects, and the controlled end of buzzer connects the outfan driving warning circuit.
The master chip of main control module 10 is MSP430F149IPMR single-chip microcomputer, has extremely strong excellent of low in energy consumption, anti-interference
Point, can be competent at the work of the Monitoring and Controlling to electric vehicle alternating-current charging pile running environment.Single-chip microcomputer is in aggressive mode 1MHz work
Under working frequency, operating current is 280 μ A, and under standby mode, operating current is 1.6 μ A, operating current under " shut " mode" (RAM holding)
It is 0.1 μ A；And this single-chip microcomputer is with 5 kinds of battery saving modes, wakes up up less than 6 microseconds from standby mode.It addition, these monolithic facility
There are 60kBFLASH, 2KB RAM, 12 high precision fast A/D C, 2 USART interfaces, a SPI interface；Input voltage range:
1.8V～3.6V.Owing to this kind of single-chip microcomputer operating rate is sufficiently fast, I/O port quantity is abundant, by single-chip microcomputer is carried out program volume
Collect and can process the environmental parameter signals gathered from multiple sensors, and then show real-time electronic vapour over the display
Car alternating-current charging pile running environment data, and can be analyzed surveyed data processing, corresponding to show over the display
Signal language.
Temperature sensor 4 is used for gathering ambient temperature parameter, and in the present embodiment, temperature sensor uses PT100.PT100 is
A kind of wide variety of temperature element, has other any temperature sensors unrivaled excellent in the range of-50～600 DEG C
Gesture is strong etc. including high accuracy, good stability, capacity of resisting disturbance.Owing to the resistance value of platinum resistance becomes non-linear relation with temperature, institute
Gamma correction is carried out with needs.Correction is divided into analog circuit correction and microprocessor digitalization to correct, and analog correction has a lot
Ready-made circuit, its precision is the highest and is easily affected by interference factors such as temperature drifts, and digitized correction then needs in microprocessing systems
Use, calculate relevant temperature value according to the AD value of actual measurement in circuit with lookup table mode.In the present embodiment, the sample circuit of PT100
Use constant-current source type temperature measurement circuit.
Electromagnetic interference sensor 5 is used for gathering environment electromagnetics interference strength signal, in the present embodiment, electromagnetic interference sensor
Use and frequency scan superhet working method, the signal mixing that the signal that antenna receives and local oscillator are produced by frequency mixer,
When the frequency of mixing is equal to intermediate frequency, after this signal can be exaggerated by intermediate frequency amplifier, carry out peak detection；After detection
Signal be amplified by video amplifier, then can be carried out a series of data process.Vibration due to local oscillation circuit
Frequency changes over time, and therefore electromagnetic interference sensor assembly is different in the frequency that the different time receives.Work as local oscillator
When the frequency of agitator is scanned over time, it is possible to obtain measured signal amplitude on a different frequency, by difference frequency
In rate, the amplitude of signal is recorded, and has just obtained the frequency spectrum of measured signal.Corresponding computing is carried out, with regard to energy according to this frequency spectrum
Enough know whether equipment under test has more than the interference transmitting that standard specifies, or the signal frequency producing interference is how many.
Unpolarizable electrode 6 is used for measuring environment electric field intensity, uses unpolarizable electrode measurement space in this utility model
Potential difference, the signal exported electrode by corresponding simulation model process circuit is amplified, filtering etc. processes, the most available
Potential difference, then potential difference solves negative gradient is exactly electric field intensity.
Magnetic field strength transducer 8 is used for gathering environmental magnetic field strength signal, magnetic field strength transducer gather through amplifying,
Filter, return to zero, backward main control module offer environment magnetic induction parameter is provided.
Buzzer uses active buzzer BUZZER, drives warning circuit to be used for driving buzzer to report to the police, its circuit
Figure is as it is shown in figure 5, include audion Q1, the first resistance R1, the second resistance R2 and sustained diode 1, the base of audion Q1
Pole the first resistance connects the outfan of main control module, and the colelctor electrode of audion connects power supply, and the emitter stage of audion is through second
Resistance connects one end of buzzer, and the other end ground connection of buzzer, fly-wheel diode is connected in series between the second resistance and ground.
When main control module exceedes calibration range according to different parameters, buzzer is made to send not by the frequency controlling input signal buzz
The same sound, thus allow people's more intuitive understanding to the classification of anomaly parameter.
Display is LED dot matrix screen, and LED dot matrix screen consists of LED light emitting diode, shows literary composition with lamp bead light on and off
Word, picture, animation, video etc., be the most modular display device of each several part assembly, has that brightness is high, environmental performance is good, anti-quiet
The advantages such as electrical property is strong, visible angle is big, therefore can demonstrate multiple electric vehicle alternating-current charging pile running environment parameter smoothly
Real-time measurement values, and maximum, minima, meansigma methods and the side of various electric vehicle alternating-current charging pile parameters in one day
Difference, and the ambient parameter prediction curve of pre-display can be selected by control panel.
SD card is used for storing data, with Flash Memory as memory bank, possesses that volume is little, capacity is big, low in energy consumption, erasable
The feature such as write and non-volatile and be widely used.SD card has two optional communications protocol: SD pattern and SPI mode；Its
Middle SD pattern is the read-write mode of SD card standard, when selecting SD pattern, needs to select the MCU with SD card controller interface, or
Person adds extra SD card control units to support the read-write of SD card；And in the spi mode, institute just can be completed by four lines
Some data exchange, and use SPI interface that SD card is carried out read-write operation, can be greatly simplified the design of hardware circuit.
SD card provides the pin interface of 9Pin to be easy to peripheral circuit and operates on it, and the pin of 9Pin is with mode of operation
Difference difference.In the spi mode, pin 1 (DAT3) is used as spi bus as SPI chip select line CS use, pin 2 (CMD)
DOL Data Output Line MOSI, and pin 7 (DAT0) is Data In-Line MISO, pin 5 is used as clock line (CLK).Except power supply and ground,
Retaining pin can be unsettled.
SD is stuck in the initial stage of powering on automatically into SD mode bus, sends reset command CMD0 to SD card in such a mode.As
CS Low level effective during really SD is stuck in reception reset command, then enter SPI mode, be otherwise operated in SD mode bus.?
In this utility model, SD card can store the multiple electric vehicle alternating-current charging pile running environment parameter surveyed, it is achieved memory function,
Main control module and then according to stored data rendering parameter change curve, intuitively shows at display.
Power module is for providing working power for miscellaneous part.This utility model is selected step-down rectifying circuit, passes through
High Level AC Voltage is down to safe voltage by step-down transformer, and reaches and the purpose of electrical network isolation, then by rectifier bridge by low
Pressure AC rectification becomes half-wave DC, through Large Copacity electrolytic capacitor filter and three end integrated voltage-stabilized element LM1117 by voltage clamp
Power to miscellaneous part after being formed on 3.3V.
Operation principle of the present utility model is: each device Real-time Collection electric vehicle alternating-current charging in data acquisition unit
Ambient parameter residing for Zhuan, and the parameter of collection is delivered in main control module, by read-write after main control module preliminary treatment
Module stores is in SD card, and data is shown over the display.Whenever there being electric vehicle alternating-current charging pile running environment parameter
Skew normal interval, main control module will pass through driving warning circuit and sends corresponding alarm song, and corresponding different parameters buzzer
Different.The data of storage can also be analyzed by main control module: various electric vehicle alternating-current charging pile parameters in calculating a day
Maximum, minima, meansigma methods and variance, at the same time it can also be utilize stored data depict over one week, one month even
The electric vehicle alternating-current charging pile Parameters variation curve of 1 year, electronic vapour in can intuitively understanding the past period by curve
The Changing Pattern of car alternating-current charging pile running environment parameter, and then the running environment that electric vehicle alternating-current charging pile is following is carried out
Accurately and reasonably predict.
Claims (5)
1. electric vehicle alternating-current charging pile running environment analyses and prediction alarm device, it is characterised in that: include being arranged in housing
Main control module (10) and the display (1) on housing, guidance panel (3), buzzer (7) are set and are used for measuring environment
The data acquisition unit of parameter；Wherein data acquisition unit includes the temperature sensor (4) for gathering ambient temperature parameter, uses
In gathering the electromagnetic interference sensor (5) of environment electromagnetics interference strength signal, for measuring the electricity that do not polarizes of environment electric field intensity
Pole (6) and for gathering the magnetic field strength transducer (8) of environmental magnetic field strength signal；The input of described main control module is respectively
Connect with the signal end of guidance panel, temperature sensor, electromagnetic interference sensor, unpolarizable electrode and magnetic field strength transducer
Connecing, the outfan of main control module connects display and buzzer respectively.
Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device the most according to claim 1, its feature exists
In: it is additionally provided with the driving warning circuit being connected between main control module and buzzer in described housing；Described driving is reported to the police electric
Road includes audion (Q1), the first resistance (R1), the second resistance (R2) and fly-wheel diode (D1), the base stage of audion (Q1)
Connect the outfan of main control module through the first resistance, the colelctor electrode of audion connects power supply, and the emitter stage of audion is through the second electricity
Resistance connects one end of buzzer, and the other end ground connection of buzzer, fly-wheel diode is connected in series between the second resistance and ground.
Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device the most according to claim 1, its feature exists
In: it is provided with draw-in groove on described housing, in draw-in groove, is fitted with SD card, be provided with in housing for SD card is carried out read-write operation
Module for reading and writing (11), the controlled end of module for reading and writing connects the outfan of main control module.
Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device the most according to claim 1, its feature exists
In: the master chip of described main control module is MSP430F149IPMR single-chip microcomputer.
Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device the most according to claim 1, its feature exists
In: described display is LED dot matrix screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620629277.5U CN205719106U (en) | 2016-06-24 | 2016-06-24 | Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620629277.5U CN205719106U (en) | 2016-06-24 | 2016-06-24 | Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205719106U true CN205719106U (en) | 2016-11-23 |
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ID=57316141
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620629277.5U Expired - Fee Related CN205719106U (en) | 2016-06-24 | 2016-06-24 | Electric vehicle alternating-current charging pile running environment analyses and prediction alarm device |
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| CN (1) | CN205719106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113923446A (en) * | 2021-10-25 | 2022-01-11 | 深圳市施瑞安科技有限公司 | Interference detection system of monitoring camera |
-
2016
- 2016-06-24 CN CN201620629277.5U patent/CN205719106U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113923446A (en) * | 2021-10-25 | 2022-01-11 | 深圳市施瑞安科技有限公司 | Interference detection system of monitoring camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170624 |