CN108134420A - A kind of charger for electric bicycle monitoring system and its power-off method - Google Patents
A kind of charger for electric bicycle monitoring system and its power-off method Download PDFInfo
- Publication number
- CN108134420A CN108134420A CN201711469488.2A CN201711469488A CN108134420A CN 108134420 A CN108134420 A CN 108134420A CN 201711469488 A CN201711469488 A CN 201711469488A CN 108134420 A CN108134420 A CN 108134420A
- Authority
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- China
- Prior art keywords
- voltage stabilizing
- microcontroller
- charger
- stabilizing chips
- relay
- 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
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 36
- 230000032683 aging Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- H02J7/0086—
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Charger for electric bicycle disclosed by the invention monitors system, current monitoring module and break-make module including interconnection, and power supply module is connected with jointly in current monitoring module and break-make module；Current monitoring module includes sequentially connected current sensor, voltage comparator and microcontroller；Break-make module includes sequentially connected photoelectrical coupler and relay, and photoelectrical coupler is connected to microcontroller by conducting wire；Power supply module includes the 5V voltage stabilizing chips being connected with each other and 3.3V voltage stabilizing chips, 5V voltage stabilizing chips are connected to current sensor, voltage comparator and relay by conducting wire respectively, and 3.3V voltage stabilizing chips are connected to voltage comparator and microcontroller by conducting wire respectively.Charger for electric bicycle of the present invention monitors system, judged by current monitoring module and drive whether power-off modular turns on or off charging, realization is automatically controlled to what whether electric car charger charged, can directly disconnect the power supply of electric car charger and rechargeable battery.
Description
Technical field
The invention belongs to battery management system technical fields, and in particular to and a kind of charger for electric bicycle monitors system,
The invention further relates to the methods using charger for electric bicycle monitoring system cut-off.
Background technology
At present, battery charging monitoring and charging safe practice are quickly grown, early for the protection concept of extensive lithium battery
It has been developed that, but significantly insufficient relative to the protection of the battery of electric bicycle of single individual, the aging of electric vehicle and eliminate often
It is due to caused by the aging and its damage of battery.Though existing electric car charger has the prompting of charging complete, still require that
It is artificial to remove power supply to achieve the effect that protect battery and reduction to consume energy, but the charging system of electric powercar that reality uses often is difficult to
Accomplish to power off and monitor in time.This has speeded up the damage of battery, influences the service life of battery and causes energy waste, even
Cause fire.
Invention content
The purpose of the present invention is to provide a kind of charger for electric bicycle to monitor system, solves existing electric bicycle
The problem of charger cannot automatically power off.
Another object of the present invention is to provide the method for above-mentioned charger for electric bicycle monitoring system cut-off.
The first technical solution of the present invention is：A kind of charger for electric bicycle monitors system, including mutual
It is connected with power supply module jointly in the current monitoring module of connection and break-make module, current monitoring module and break-make module；
Current monitoring module includes sequentially connected current sensor, voltage comparator and microcontroller；Break-make module includes
Sequentially connected photoelectrical coupler and relay, photoelectrical coupler are connected to microcontroller by conducting wire；Power supply module includes mutual
The 5V voltage stabilizing chips of connection and 3.3V voltage stabilizing chips, 5V voltage stabilizing chips are connected to current sensor, voltage ratio by conducting wire respectively
Compared with device, photoelectrical coupler and relay, 3.3V voltage stabilizing chips are connected to voltage comparator and microcontroller by conducting wire respectively.
Second of technical solution of the present invention be：A kind of power-off side of charger for electric bicycle monitoring system
Method, which is characterized in that include the following steps：
Step 1：Charger output terminal and 5V voltage stabilizing chips are connected, by 5V voltage stabilizing chips respectively to current sensor,
Photoelectrical coupler and relay power supply are powered by 3.3V voltage stabilizing chips to voltage comparator and microcontroller respectively；By relay
It is connected with battery of electric vehicle；
Step 2：Charger output terminal and current sensor to be connected, electric current is transferred to microcontroller through over-voltage comparator,
The excessively high or too low judgement of electric current is carried out by microcontroller；
Step 3：Microcontroller transfers signals to photoelectrical coupler after being judged, and controls relay by photoelectrical coupler
Break-make, that is, complete the break-make of relay and battery of electric vehicle.
The beneficial effects of the invention are as follows：Charger for electric bicycle of the present invention monitors system, is sentenced by current monitoring module
Break and drive whether power-off modular turns on or off charging, realize and automatically controlled to what whether electric car charger charged, it can be with
Directly disconnect the power supply of electric car charger and rechargeable battery.In addition to this, by setting upper limit current, prevent what overcurrent from generating
Contingency question makes the more convenient safety of charging；By setting lower current, after battery is fully charged, realization automatically powers off, and saves
Electric energy protects battery.
Description of the drawings
Fig. 1 is the connection relationship diagram of charger for electric bicycle monitoring system of the present invention；
Fig. 2 is the circuit diagram of charger for electric bicycle monitoring system of the present invention；
Annexation figure when Fig. 3 is using charger for electric bicycle of the present invention monitoring system.
In figure, 1. charger output terminals, 2.5V voltage stabilizing chips, 3.3.3V voltage stabilizing chips, 4. current sensors, 5. voltage ratios
Compared with device, 6. microcontrollers, 7. photoelectrical couplers, 8. relays, 9. battery of electric vehicle.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in detail.
The present invention provides charger for electric bicycle to monitor system, as shown in figures 1 and 3, the electricity including interconnection
Monitoring modular and break-make module are flowed, power supply module is connected with jointly in current monitoring module and break-make module；Current monitoring module
Including sequentially connected current sensor 4, voltage comparator 5 and microcontroller 6；Break-make module includes sequentially connected photoelectric coupling
Device 7 and relay 8, photoelectrical coupler 7 are connected to microcontroller 6 by conducting wire；Power supply module includes the 5V voltage stabilizing cores being connected with each other
Piece 2 and 3.3V voltage stabilizing chips 3,5V voltage stabilizing chips 2 are connected to current sensor 4, voltage comparator 5, photoelectricity by conducting wire respectively
Coupler 7 and relay 8, wherein voltage comparator 5 connection 5V voltage stabilizing chips 2 are divided as benchmark, 3.3V voltage stabilizing chips 3
Voltage comparator 5 is connected to by conducting wire respectively and microcontroller 6 is powered.
The power-off method of above-mentioned charger for electric bicycle monitoring system, includes the following steps：
Step 1：Charger output terminal 1 and 5V voltage stabilizing chips 2 are connected, distinguishing guiding line by 5V voltage stabilizing chips 2 connects
It powers to current sensor 4, photoelectrical coupler 7 and relay 8, by 3.3V voltage stabilizing chips 3 respectively to voltage comparator 5 and list
Piece machine 6 is powered；Relay 8 and battery of electric vehicle 9 are connected；
Step 2：Charger output terminal 1 and current sensor 4 are connected, electric current is transferred to monolithic through over-voltage comparator 5
Machine 6 carries out the excessively high or too low judgement of electric current by microcontroller 6；
Step 3：Microcontroller 6 transfers signals to photoelectrical coupler 7 after being judged, and by photoelectrical coupler 7 control after
The break-make of electric appliance 8 completes the break-make of relay 8 and battery of electric vehicle 9.
During work, as shown in Fig. 2, by AO6 mouthfuls of access 5V voltage stabilizing chips 2AO6 and by electric resistance partial pressure in charger output terminal 1
5V voltage stabilizing chips 2 are accessed for 12V, 5V power voltage supplies are exported by common end AO3.Continue to access 3.3V voltage stabilizing chips by AO3 interfaces
3AO3, and pass through 3.3V voltage stabilizing chips 3 and 3.3V power voltage supplies are exported by 3 common end AO4 of 3.3V voltage stabilizing chips.
It is terminated by charger output terminal 1AO6 into current sensor 4AO6 ends and by BO1 ends cut-in relay 8BO1 relays
Normally closed port, wherein relay 8BO2 access 9 access port BO2 of battery of electric vehicle, charger output terminal 1BO3 and battery of electric vehicle
9BO3 connections are formed into a loop.Current sensor 4 has 2 5V access port AO3, is exported by 5V voltage stabilizing chips 2.Current sensor 4 is adopted
Through handling from AO5 mouthfuls of output voltage signals after colleeting comb signal, wherein 1A electric currents are converted to 610mV.By current sensor 4AO5
The voltage signal of output accesses the AO5 ends of two voltage comparators 5.Wherein voltage comparator 5 has 2 AO3 5V feeder ears respectively
With AO4 3.3V feeder ears, provided by 5V voltage stabilizing chips 2 and 3.3V voltage stabilizing chips 3.Handled through voltage comparator 5, directly from K1,
K2 ports output low and high level access microcontroller 6 monolithic interface K1, K2.Whether the voltage signal for judging to receive by microcontroller 6 surpasses
Standard value is crossed or less than setting value, to determine whether sending out power-off or accessing the signal of power supply.6K3 mouthfuls of access photoelectricity couplings of microcontroller
7K3 mouthfuls of clutch, photoelectrical coupler 7 and relay 8 are powered by AO3, and repeat circuit 8BO5 is connected with photoelectrical coupler 7BO5.
When microcontroller 6 determines whether to energization end, decide whether that photoelectrical coupler 7 is allowed to connect by K3 mouthfuls.So as to control relay 8
Whether power supply is accessed, you can to control the break-make of charger output terminal 1 and battery of electric vehicle 9, realize the break-make of charging.
By the above-mentioned means, a kind of charger for electric bicycle monitoring system of the present invention is judged simultaneously by current monitoring module
Whether driving power-off modular turns on or off charging, realizes and is automatically controlled to what whether electric car charger charged, can be direct
Disconnect the power supply of electric car charger and rechargeable battery.In addition to this, by setting upper limit current, prevent overcurrent from generating follow-up
Problem makes the more convenient safety of charging；By setting lower current, after battery is fully charged, realization automatically powers off, and saves electricity
Can, protect battery.
Claims (2)
1. a kind of charger for electric bicycle monitors system, which is characterized in that current monitoring module including interconnection and logical
Disconnected module is connected with power supply module in current monitoring module and break-make module jointly；
Current monitoring module includes sequentially connected current sensor (4), voltage comparator (5) and microcontroller (6)；Break-make module
Including sequentially connected photoelectrical coupler (7) and relay (8), photoelectrical coupler (7) is connected to microcontroller (6) by conducting wire；
Power supply module includes the 5V voltage stabilizing chips (2) being connected with each other and 3.3V voltage stabilizing chips (3), and 5V voltage stabilizing chips (2) are respectively by leading
Line is connected to current sensor (4), voltage comparator (5) and relay (8), and 3.3V voltage stabilizing chips (3) are connected respectively by conducting wire
It is connected to voltage comparator (5) and microcontroller (6).
2. a kind of power-off method of charger for electric bicycle monitoring system as described in claim 1, which is characterized in that including
The following steps：
Step 1：Charger output terminal (1) and 5V voltage stabilizing chips (2) are connected, passed respectively to electric current by 5V voltage stabilizing chips (2)
Sensor (4) and relay (8) power supply are powered by 3.3V voltage stabilizing chips (3) to voltage comparator (5) and microcontroller (6) respectively；
Relay (8) and battery of electric vehicle (9) are connected；
Step 2：Charger output terminal (1) and current sensor (4) are connected, electric current is transferred to list through over-voltage comparator (5)
Piece machine (6) carries out the excessively high or too low judgement of electric current by microcontroller (6)；
Step 3：Microcontroller (6) transfers signals to photoelectrical coupler (7) after being judged, and is controlled by photoelectrical coupler (7)
The break-make of relay (8) completes the break-make of relay (8) and battery of electric vehicle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469488.2A CN108134420A (en) | 2017-12-29 | 2017-12-29 | A kind of charger for electric bicycle monitoring system and its power-off method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469488.2A CN108134420A (en) | 2017-12-29 | 2017-12-29 | A kind of charger for electric bicycle monitoring system and its power-off method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108134420A true CN108134420A (en) | 2018-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711469488.2A Pending CN108134420A (en) | 2017-12-29 | 2017-12-29 | A kind of charger for electric bicycle monitoring system and its power-off method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108134420A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613434A (en) * | 2018-12-14 | 2019-04-12 | 西安理工大学 | A kind of intelligent monitor system and its monitoring method of electric motor coach battery |
| CN109720237A (en) * | 2019-01-29 | 2019-05-07 | 中国地质大学（武汉） | A kind of electric vehicle charge monitoring system and method based on ZigBee-network |
| CN111907626A (en) * | 2020-08-11 | 2020-11-10 | 南通大学 | Electric bicycle fire alarm system |
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2017
- 2017-12-29 CN CN201711469488.2A patent/CN108134420A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613434A (en) * | 2018-12-14 | 2019-04-12 | 西安理工大学 | A kind of intelligent monitor system and its monitoring method of electric motor coach battery |
| CN109720237A (en) * | 2019-01-29 | 2019-05-07 | 中国地质大学（武汉） | A kind of electric vehicle charge monitoring system and method based on ZigBee-network |
| CN111907626A (en) * | 2020-08-11 | 2020-11-10 | 南通大学 | Electric bicycle fire alarm system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180608 |