CN107650706A - The supervisory systems of charging electric vehicle module based on LoRa technologies - Google Patents

The supervisory systems of charging electric vehicle module based on LoRa technologies Download PDF

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Publication number
CN107650706A
CN107650706A CN201710769606.5A CN201710769606A CN107650706A CN 107650706 A CN107650706 A CN 107650706A CN 201710769606 A CN201710769606 A CN 201710769606A CN 107650706 A CN107650706 A CN 107650706A
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CN
China
Prior art keywords
lora
unit
side detection
protection location
electric vehicle
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Pending
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CN201710769606.5A
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Chinese (zh)
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王国义
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Individual
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Individual
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Priority to CN201710769606.5A priority Critical patent/CN107650706A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/70—Interactions with external data bases, e.g. traffic centres
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The invention discloses a kind of supervisory systems of the charging electric vehicle module based on LoRa technologies, mainly including processor, input side detection protection location, outlet side detection protection location, drive control circuit, LoRa modules, LoRa gateways, CAN module, supervision operation platform；Input side detection protection location, outlet side detection protection location, drive control circuit, LoRa modules, CAN module electrically connect with processor respectively；By the information for gathering charging module; through LoRa modules and LoRa gateways; the information of collection is sent to supervision operation platform real-time display; CAN module obtains the BMS information of charging electric automobile; according to BMS information, corresponding control command is inputted by supervising operation platform, makes charging module output and the charging voltage needed for charging electric vehicle, electric current; and the battery of electric automobile is protected, while also act as the abnormal protection such as over-pressed, under-voltage, short-circuit, phase shortage and excess temperature.

Description

The supervisory systems of charging electric vehicle module based on LoRa technologies
Technical field
The present invention relates to a kind of LoRa technical applications, more particularly to a kind of charging electric vehicle based on LoRa networks The information collecting method and regulation technique of charging module.
Background technology
With the fast development of global economy, the scope of activities of people is related to the every field of society, petroleum resources shortage Become more acute with the situation of global warming, find new energy substitution petroleum resources and compel as a kind of power in eyebrow Eyelash, low-carbon automobile operation chain is built, certainly will be that a new breakthrough mouth is found in the new development of industry, charging electric vehicle facility is Very important important component in ev industry chain, should also be fully simultaneous while ev industry is greatly developed Care for the development of electrically-charging equipment.Electric automobile charging pile has two kinds of direct current, exchange charge modes, according to needed for different electric automobiles Voltage class provides different voltage for it, electric current charges to electric automobile, and the charging module in direct-current charging post can The three-phase alternating current of input is changed into the direct current needed for charging electric vehicle, the quality of charging module is directly connected to electronic vapour Charging quality, charging interval while the battery for also affecting electric automobile of car, it is therefore necessary to carried out to charging module real When supervision, ensure the safe, reliable, efficient operation of charging module, high-quality electric energy be provided for charging electric vehicle.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of charging electric vehicle module based on LoRa technologies Supervisory systems, the information according to collection are supervised to charging module, and high-quality required electric energy is provided for charging electric vehicle, It is safe and reliable, convenient in charging process to ensure.
To achieve the above object, the present invention is achieved through the following technical solutions.
A kind of supervisory systems of the charging electric vehicle module based on LoRa technologies, including：It is first rectification unit, second whole Flow unit, high frequency transformer, DC/DC translation circuits, processor, auxiliary power circuit, it is characterised in that：Also include input side to examine Survey protection location, outlet side detection protection location, drive control circuit, LoRa modules, LoRa gateways, CAN module, supervision operation Platform, the first rectification unit, high frequency transformer, the second rectification unit and DC/DC translation circuits sequentially electrically connect；Input side detects Protection location, outlet side detection protection location, drive control circuit, LoRa modules, CAN module electrically connect with processor respectively； Auxiliary power circuit is processor, LoRa modules and CAN module provide electric energy needed for work.
The data message of LoRa gateways convergence LoRa module collections, and carried out by 2G/3G/4G networks and the webserver Networking, supervision operation platform are communicated by the webserver and LoRa gateways.
Drive control circuit electrically connects with processor；First rectification unit, DC/DC translation circuits, the second rectification unit point Do not electrically connected with drive control circuit.
First rectification unit includes AC/DC rectification circuits, the first filter circuit, PFC (Power Factor Correction, power factor correction) circuit；The three-phase alternating current of input is transformed into direct current by AC/DC rectification circuits, and first Filter circuit filters out the ripple voltage of AC/DC rectification circuits output, and pfc circuit uses active pfc circuit, Current Voltage Phase difference compensate, improve the power factor of circuit；Active pfc circuit is controlled by processor.
The input side detection protection location collection alternating voltage of input side, electric current, phase shortage information, and play input overvoltage, Under-voltage, open-phase protection；The voltage of outlet side detection protection location collection outlet side, electric current, temperature, power information, and play defeated Go out over-pressed, under-voltage, short-circuit, overheat protector.
Supervising operation platform includes CPU, man-machine interaction unit, data storage cell, query unit, output Print unit, communication unit；Man-machine interaction unit, data storage cell, query unit, output print unit, communication unit point Do not electrically connected with CPU.
CAN module is for the data communication between electric automobile.
The beneficial effects of the invention are as follows：The invention provides a kind of prison of the charging electric vehicle module based on LoRa technologies Guard system, protection location is detected by input side and outlet side detects the information of protection location collection charging module, passes through LoRa Module and LoRa gateways, the information of collection is sent to supervision operation platform, real-time display comes out, and plays over-pressed, under-voltage, short The abnormal protection such as road, phase shortage and excess temperature, the BMS information of charging electric automobile is obtained by CAN module, is run by supervising Platform man-machine interface inputs corresponding information, can adjust voltage, the current value of charging module output in real time, be charging electric Automobile provides required in real time charging voltage and charging current, and the battery of electric automobile is protected.
Brief description of the drawings
Fig. 1 is the charging module internal structure block diagram of the present invention；
Fig. 2 is the system architecture diagram of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, a kind of supervisory systems of the charging electric vehicle module based on LoRa technologies, including：First Rectification unit, the second rectification unit, high frequency transformer, DC/DC translation circuits, processor, auxiliary power circuit, its feature exist In：Also include input side detection protection location, outlet side detection protection location, drive control circuit, LoRa modules, LoRa nets Pass, CAN module, supervision operation platform；First rectification unit, high frequency transformer, the second rectification unit and DC/DC translation circuits Sequentially electrically connect；Input side detection protection location, outlet side detection protection location, drive control circuit, LoRa modules, CAN moulds Block electrically connects with processor respectively；Auxiliary power circuit is processor, LoRa modules and CAN module provide electricity needed for work Energy.
First rectification unit includes AC/DC rectification circuits, the first filter circuit, PFC (Power Factor Correction, power factor correction) circuit；The 380V three-phase alternating currents of input are transformed into direct current by AC/DC rectification circuits, Because the direct current of AC/DC rectification circuits output contains higher hamonic wave, higher hamonic wave is filtered out by the first filter circuit, makes it Direct current is more steady；Pfc circuit uses active pfc circuit, and sends control command by analysis by processor and it is added With control, by being compensated the phase difference Current Voltage, the power factor of circuit is improved, then passes through high frequency transformer Transformation is carried out, exports alternating current, direct current is exported through the second rectification unit rectifying and wave-filtering, then it is defeated through the adjustment of DC/DC translation circuits Go out stable reliable direct current, there is provided use to charging electric vehicle.
Drive control circuit electrically connects with processor；First rectification unit, DC/DC translation circuits, the second rectification unit point Do not electrically connected with drive control circuit, CAN module is for the data communication between electric automobile, is obtained by CAN module The on-vehicle information of electric automobile, such as dump energy, voltage, electric current, the voltage of cell, the electric current of cell, temperature Information, according to the on-vehicle information of electric automobile, processor sends control command and Comprehensive Control is carried out to drive control circuit, and then By the first rectification unit, high frequency transformer, the second rectification unit, DC/DC translation circuits export it is adjustable, meet electric automobile Voltage, electric current needed for charging.
Alternating voltage, electric current, the scarce equivalent information of input side detection protection location collection input side, once detect input Survey has situations such as overvoltage, under-voltage, phase shortage when occurring, and input side detection protection location starting protection measure immediately, accomplishes Pressure, under-voltage, open-phase protection；The information such as the outlet side detection protection location collection voltage of outlet side, electric current, temperature, power, once Detect that output survey has situations such as overvoltage, under-voltage, excessively stream, excess temperature when occurring, outlet side detection protection location starts immediately Safeguard measure, accomplish over-pressed, under-voltage, short-circuit, overheat protector.
The data message of LoRa gateways convergence LoRa module collections, and carried out by 2G/3G/4G networks and the webserver Networking, supervision operation platform are communicated by the webserver and LoRa gateways；LoRa modules, which are responsible for input side to detect, protects The information of unit and outlet side detection protection location collection is protected, LoRa gateways is converged to, is then transmitted by 2G/3G/4G networks To supervision operation platform；Supervising operation platform includes CPU, man-machine interaction unit, data storage cell, cargo tracer Member, output print unit, communication unit；Man-machine interaction unit, data storage cell, query unit, output print unit, communication Unit electrically connects with CPU respectively；Communication unit is responsible for supervision operation platform and communicated with the webserver, number The information for being responsible for sending according to memory cell is stored, and output print unit is responsible for the printing to data message, man-machine The information that interactive unit can be sent with real-time display, such as voltage, electric current, temperature, power factor information, and played The abnormal protection such as pressure, under-voltage, short-circuit, phase shortage and excess temperature, the BMS information of charging electric automobile is obtained by CAN module, is led to The man-machine interaction unit for crossing supervision operation platform inputs corresponding information, by the webserver and LoRa gateways by the letter of input Breath is sent in processor, can adjust voltage, the current value of charging module output in real time, is provided for charging electric automobile real Shi Suoxu charging voltage and charging current, electric automobile is set to be in scientific and reasonable charged state, and to the electricity of electric automobile Pond is protected, and some conventional data can be inquired about by query unit, if desired can be printed by exporting print unit Out, there is provided to staff or user.

Claims (6)

1. a kind of supervisory systems of the charging electric vehicle module based on LoRa technologies, including：First rectification unit, the second rectification Unit, high frequency transformer, DC/DC translation circuits, processor and auxiliary power circuit, it is characterised in that：Supervisory systems also includes Input side detection protection location, outlet side detection protection location, drive control circuit, LoRa modules, LoRa gateways, CAN module With supervision operation platform, the first rectification unit, high frequency transformer, the second rectification unit and DC/DC translation circuits sequentially electrically connect； Input side detection protection location, outlet side detection protection location, drive control circuit, LoRa modules, CAN module respectively with processing Device electrically connects, and auxiliary power circuit is processor, LoRa modules and CAN module provide electric energy needed for work.
2. the supervisory systems of the charging electric vehicle module according to claim 1 based on LoRa technologies, it is characterised in that： The data message of LoRa gateways convergence LoRa module collections, is networked with the webserver by 2G/3G/4G networks, is supervised Operation platform is communicated by the webserver and LoRa gateways.
3. the supervisory systems of the charging electric vehicle module according to claim 1 based on LoRa technologies, it is characterised in that： Drive control circuit electrically connects with processor；First rectification unit, DC/DC translation circuits, the second rectification unit respectively with driving Control circuit electrically connects.
4. the supervisory systems of the charging electric vehicle module according to claim 1 based on LoRa technologies, it is characterised in that： First rectification unit includes AC/DC rectification circuits, the first filter circuit and pfc circuit；Three-phase of the AC/DC rectification circuits input Convert alternating current is into direct current, and the first filter circuit filters out the ripple voltage of AC/DC rectification circuits output, and pfc circuit is using master Dynamic formula pfc circuit, the phase difference Current Voltage is compensated；Active pfc circuit is controlled by processor.
5. the supervisory systems of the charging electric vehicle module according to claim 1 based on LoRa technologies, it is characterised in that： Alternating voltage, electric current and the phase shortage information of input side detection protection location collection input side, and it is over-pressed, under-voltage, scarce to play input Mutually protect；Voltage, electric current, temperature and the power information of outlet side detection protection location collection outlet side, play output overvoltage, owe Pressure, short circuit and overheat protector.
6. the supervisory systems of the charging electric vehicle module according to claim 1 based on LoRa technologies, it is characterised in that： Supervising operation platform includes CPU, man-machine interaction unit, data storage cell, query unit, output print unit And communication unit；Man-machine interaction unit, data storage cell, query unit, output print unit, communication unit respectively with center Processing unit electrically connects.
CN201710769606.5A 2017-08-31 2017-08-31 The supervisory systems of charging electric vehicle module based on LoRa technologies Pending CN107650706A (en)

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Application Number Priority Date Filing Date Title
CN201710769606.5A CN107650706A (en) 2017-08-31 2017-08-31 The supervisory systems of charging electric vehicle module based on LoRa technologies

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108790933A (en) * 2018-09-04 2018-11-13 安徽机电职业技术学院 A kind of DC charging system based on NB-IOT technologies
CN110920453A (en) * 2019-12-06 2020-03-27 国网江苏省电力有限公司南通供电分公司 Monitoring system for automobile charging device
CN113399118A (en) * 2021-05-13 2021-09-17 浙江天洁环境工程有限公司 High-frequency power supply control system and electric dust removal device thereof

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CN106379187A (en) * 2016-09-30 2017-02-08 合肥协力仪表控制技术股份有限公司 Intelligent rapid active charging machine and charging method thereof
CN106850421A (en) * 2017-03-21 2017-06-13 安文科技有限公司 A kind of intelligent things charging method and intelligent gateway

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Publication number Priority date Publication date Assignee Title
CN103358930A (en) * 2013-08-09 2013-10-23 山东省科学院自动化研究所 Vehicle-mounted charging control system of electric vehicle and control method thereof
CN105337382A (en) * 2015-08-21 2016-02-17 国网天津市电力公司 Non-vehicle-mounted intelligent DC charging pile
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108790933A (en) * 2018-09-04 2018-11-13 安徽机电职业技术学院 A kind of DC charging system based on NB-IOT technologies
CN110920453A (en) * 2019-12-06 2020-03-27 国网江苏省电力有限公司南通供电分公司 Monitoring system for automobile charging device
CN113399118A (en) * 2021-05-13 2021-09-17 浙江天洁环境工程有限公司 High-frequency power supply control system and electric dust removal device thereof

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Application publication date: 20180202