CN110497821A - A kind of charging wake-up system and its control method - Google Patents
A kind of charging wake-up system and its control method Download PDFInfo
- Publication number
- CN110497821A CN110497821A CN201910771007.6A CN201910771007A CN110497821A CN 110497821 A CN110497821 A CN 110497821A CN 201910771007 A CN201910771007 A CN 201910771007A CN 110497821 A CN110497821 A CN 110497821A
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- China
- Prior art keywords
- signal
- charging
- wake
- charging gun
- capacitor
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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
- 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
- B60L53/10—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 the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- 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
- B60L53/10—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 the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- 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
-
- 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
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging wake-up systems, it includes power module and charging wake-up module, and the signal that charging gun issues enters charging wake-up module, and enters the power module by charging wake-up module and wake up battery management system, when capacitor is fully charged, the signal that charging gun issues is cut off.Advantages of the present invention: capacitor is connected to by the trigger signal that charging gun issues, and quickly triggers self-lock mechanism, cell management system of electric automobile is enable effectively to be waken up when connecting charging gun；When capacitor is fully charged, the signal that charging gun issues is cut off, and will control battery management system normal powering down, it is not necessary to wake-up states are handled always, to realize the arousal function that CP is reliable, stable；An often electricity is not needed, to be converted to the trigger signal waken up for battery management system by power supply, the present invention is directly to wake up battery management system by accessing the signal of charging gun；Structure is simple, reliable and stable, and energy loss is small.
Description
Technical field
The present invention relates to a kind of charging wake-up system and its control methods, belong to technical field of lithium batteries.
Background technique
With the fast development of Chinese economy, automobile usage amount is more and more, energy problem will be got worse, and develop new energy
Source automobile will be effectively reduced air pollution, and the appearance of New-energy electric vehicle will greatly reduce automobile exhaust pollutant
Discharge.Wherein, cell management system of electric automobile controls the charge and discharge process of electric car.
After existing cell management system of electric automobile charging wake-up accesses electric car using charging gun at present, CC
Signal is grounded by charging gun internal resistance, to control switching tube conducting, triggering battery management system is waken up.This technical side
Case needs the often electric trigger signal be converted to by power supply for battery management system wake-up, not from lock machine after triggering
System, cannot be such that battery management system effectively wakes up；Meanwhile after connecting charging gun, battery management system is constantly in wake-up states,
Increase the loss of power.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of charging wake-up system and its control method, passes through access
The signal of charging gun directly wakes up battery management system, reduces energy loss.
The present invention is realized by following proposal: a kind of charging wake-up system comprising power module and charging wake-up module,
The signal that charging gun issues enters the charging wake-up module, and enters the power module by the charging wake-up module and call out
Awake battery management system, when capacitor is fully charged, the signal that charging gun issues is cut off.
The charging gun issues CP signal, and CP signal triggers metal-oxide-semiconductor conducting to capacitor charging, make wake-up signal into
Enter power module, wake up battery management system, when capacitor is fully charged, the signal that charging gun issues is cut off.
The charging gun issues CP signal, and CP signal triggers metal-oxide-semiconductor conducting to capacitor charging, the MOS of often electricity triggering
Pipe is also switched on, and triggers self-lock mechanism, maintains metal-oxide-semiconductor conducting, wake-up signal is made to enter power module, wake up battery management system
System, when capacitor is fully charged, the signal that charging gun issues is cut off.
The charging gun issues CP signal, and CP signal enters cell management system of electric automobile charging wake-up module, CP letter
Number capacitor charging is given, while triggering metal-oxide-semiconductor conducting, the metal-oxide-semiconductor of often electricity triggering is also switched on, and triggers self-lock mechanism, maintains metal-oxide-semiconductor
Conducting wakes up battery management system so that triggering CP WKUP enters power module, when capacitor is fully charged, what charging gun issued
Signal is cut off, and the CP signal that charging gun issues is cut off, and battery management system control CP CTR signal is drawn high, and CP WKUP is not
Cell management system of electric automobile can be waken up.
A kind of control method for the wake-up system that charges, it is characterised in that: it is directly waken up by the signal of access charging gun
Battery management system, when capacitor is fully charged, the signal that charging gun issues is cut off, and stops waking up.
A kind of control method for the wake-up system that charges, directly wakes up battery management system by the signal of access charging gun
System, and self-lock mechanism is triggered, when capacitor is fully charged, the signal that charging gun issues is cut off, and stops waking up.
The invention has the benefit that
1, a kind of charging wake-up system of the present invention is connected to capacitor by the trigger signal that charging gun issues, and quickly triggers self-locking
Mechanism enables cell management system of electric automobile effectively to be waken up when connecting charging gun；
2, when capacitor is fully charged, the signal that charging gun issues is cut off a kind of charging wake-up system of the present invention, will be controlled
Battery management system normal powering down, it is not necessary to handle wake-up states always.To realize the arousal function that CP is reliable, stable；
3, a kind of charging wake-up system of the present invention does not need an often electricity, wakes up to be converted to by power supply for battery management system
Trigger signal, the present invention be by access charging gun signal directly wake up battery management system；
4, a kind of charging wake-up system structure of the present invention is simple, and reliable and stable, energy loss is small.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram for the wake-up system that charges of the present invention.
Fig. 2 is that a kind of charging of the present invention wakes up system circuit diagram.
Fig. 3 is a kind of charging pile end of wake-up system that charges of the present invention and the CP pulse signal waveform figure of vehicle end detection.
Specific embodiment
Below with reference to Fig. 1-3, the present invention is further described, but the scope of the present invention does not limit to the content.
For clarity, not describing whole features of practical embodiments, in the following description, it is not described in detail well known function
And structure, because they can make the present invention chaotic due to unnecessary details, it will be understood that opening in any practical embodiments
In hair, it is necessary to make a large amount of implementation details to realize the specific objective of developer, such as according to related system or related business
Limitation, changes into another embodiment by one embodiment, additionally, it should think that this development may be complicated and expend
Time, but to those skilled in the art it is only routine work.
A kind of charging wake-up system comprising power module and charging wake-up module, the signal that charging gun issues enter institute
Charging wake-up module is stated, and the power module is entered by the charging wake-up module and wakes up battery management system, works as capacitor
When fully charged, the signal that charging gun issues is cut off.
The charging gun issues CP signal, and CP signal triggers metal-oxide-semiconductor conducting to capacitor charging, make wake-up signal into
Enter power module, wake up battery management system, when capacitor is fully charged, the signal that charging gun issues is cut off.
The charging gun issues CP signal, and CP signal triggers metal-oxide-semiconductor conducting to capacitor charging, the MOS of often electricity triggering
Pipe is also switched on, and triggers self-lock mechanism, maintains metal-oxide-semiconductor conducting, wake-up signal is made to enter power module, wake up battery management system
System, when capacitor is fully charged, the signal that charging gun issues is cut off.
The charging gun issues CP signal, and CP signal enters cell management system of electric automobile charging wake-up module, CP letter
Number capacitor charging is given, while triggering metal-oxide-semiconductor conducting, the metal-oxide-semiconductor of often electricity triggering is also switched on, and triggers self-lock mechanism, maintains metal-oxide-semiconductor
Conducting wakes up battery management system so that triggering CP WKUP enters power module, when capacitor is fully charged, what charging gun issued
Signal is cut off, and the CP signal that charging gun issues is cut off, and battery management system control CP CTR signal is drawn high, and CP WKUP is not
Cell management system of electric automobile can be waken up.
A kind of control method for the wake-up system that charges, directly wakes up battery management system by the signal of access charging gun
System, and self-lock mechanism is triggered, when capacitor is fully charged, the signal that charging gun issues is cut off, and stops waking up.
Specific works are as follows: when electric car connects charging gun, charging gun issues CP signal, and CP signal enters electric car
Battery management system charging wake-up module, the one end CP connection capacitor C1, the one end capacitor C1 connection resistance R1 constitutes RC circuit, opens
Begin to charge to capacitor C1, while being rectified by diode D1, after resistance R2, R3 partial pressure, is greater than the Vgs voltage of NMOS tube Q2 and leads
Be powered pressure, meanwhile, RC circuit time constant is able to satisfy NMOS Q2 and is effectively connected, at this point, the Vgs voltage of PMOS tube Q1 is greater than
Q1 is connected in conducting voltage, and diode D2, the grid of resistance R6 connection NMOS tube Q1, Q1 conducting are passed through in the drain electrode of PMOS tube Q1
When triggering self-locking device NMOS tube Q2 is connected effectively, so that triggering CP WKUP enters power module, wake up battery management system
System；When capacitor C1 is fully charged, the CP signal that charging gun issues is cut off, and battery management system control CP CTR signal is drawn high,
So that the Vgs voltage of NMOS tube Q3 is greater than conducting voltage, Q3 is connected, at this point, 1 foot of Q2 pipe is grounded by Q3, makes NMOS tube Q2's
Vgs voltage is less than conducting voltage, turns off Q2, meanwhile, the Vgs voltage of PMOS tube Q1 is less than conducting voltage, and Q1 is also switched off, CP
WKUP cannot wake up cell management system of electric automobile, and battery management system is energy saving by effective power down.
Although having done more detailed elaboration to technical solution of the present invention and having enumerated, it should be understood that for ability
For field technique personnel, modifications to the embodiments described above may be made or uses equivalent alternative solution, this is to those skilled in the art
It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member
Claimed range.
Claims (6)
1. a kind of charging wake-up system, it is characterised in that: it includes power module and charging wake-up module, the letter that charging gun issues
Number enter the charging wake-up module, and by the charging wake-up module into the power module wake-up battery management system
System, when capacitor is fully charged, the signal that charging gun issues is cut off.
2. a kind of charging wake-up system according to claim 1 and its control method, it is characterised in that: the charging gun hair
CP signal out, CP signal trigger metal-oxide-semiconductor conducting to capacitor charging, so that wake-up signal is entered power module, wake up cell tube
Reason system, when capacitor is fully charged, the signal that charging gun issues is cut off.
3. a kind of charging wake-up system according to claim 2 and its control method, it is characterised in that: the charging gun hair
CP signal out, CP signal trigger metal-oxide-semiconductor conducting to capacitor charging, and the metal-oxide-semiconductor of often electricity triggering is also switched on, and is triggered self-locking
Mechanism maintains metal-oxide-semiconductor conducting, wake-up signal is made to enter power module, wakes up battery management system and fills when capacitor is fully charged
The signal that electric rifle issues is cut off.
4. a kind of charging wake-up system according to claim 1 and its control method, it is characterised in that: the charging gun hair
CP signal out, CP signal enter cell management system of electric automobile charging wake-up module, and CP signal triggers simultaneously to capacitor charging
The metal-oxide-semiconductor of metal-oxide-semiconductor conducting, often electricity triggering is also switched on, and triggers self-lock mechanism, metal-oxide-semiconductor conducting is maintained, to trigger CP WKUP
Into power module, battery management system is waken up, when capacitor is fully charged, the signal that charging gun issues is cut off, charging gun hair
CP signal out is cut off, and battery management system control CP CTR signal is drawn high, and CP WKUP cannot wake up batteries of electric automobile pipe
Reason system.
5. a kind of control method of the charging wake-up system based on any one of claim 1-4, it is characterised in that: it passes through access
The signal of charging gun directly wakes up battery management system, and when capacitor is fully charged, the signal that charging gun issues is cut off, and stops calling out
It wakes up.
6. a kind of control method of wake-up system that charges according to claim 5, it is characterised in that: it passes through access charging
The signal of rifle directly wakes up battery management system, and triggers self-lock mechanism, and when capacitor is fully charged, the signal that charging gun issues is cut
It is disconnected, stop waking up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910771007.6A CN110497821A (en) | 2019-08-20 | 2019-08-20 | A kind of charging wake-up system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910771007.6A CN110497821A (en) | 2019-08-20 | 2019-08-20 | A kind of charging wake-up system and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110497821A true CN110497821A (en) | 2019-11-26 |
Family
ID=68588404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910771007.6A Pending CN110497821A (en) | 2019-08-20 | 2019-08-20 | A kind of charging wake-up system and its control method |
Country Status (1)
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| CN (1) | CN110497821A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379389A (en) * | 2020-10-20 | 2022-04-22 | 中车时代电动汽车股份有限公司 | European standard pantograph and double-gun charging system and method and electronic equipment |
| CN116632982A (en) * | 2023-07-19 | 2023-08-22 | 宁德时代新能源科技股份有限公司 | Wake-up circuit and battery management system |
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