CN106364319A - Pre-charging loop of battery electric vehicle and method - Google Patents
Pre-charging loop of battery electric vehicle and method Download PDFInfo
- Publication number
- CN106364319A CN106364319A CN201610831687.2A CN201610831687A CN106364319A CN 106364319 A CN106364319 A CN 106364319A CN 201610831687 A CN201610831687 A CN 201610831687A CN 106364319 A CN106364319 A CN 106364319A
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- preliminary filling
- charging
- contactor
- catalyst
- 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.)
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Classifications
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- 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
- B60L1/00—Supplying electric power to auxiliary equipment of 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
- 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
-
- 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
-
- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a pre-charging loop of a battery electric vehicle and a method. Through second-level pre-charging, a pre-charging contactor K2 and a negative-pole contactor K4 are turned on firstly, so that first-level pre-charging on a main driving motor controller and accessory control equipment is completed; when the ratio of voltages at the two ends of a first capacitor C1 and the two ends of a second capacitor C2 to power source voltages is larger than a threshold value, a second-level pre-charging contactor K0 is turned on, and rapid pre-charging of a circuit is achieved; and finally, when the voltages at the two ends of the first capacitor C1 and the two ends of the second capacitor C2 are all safe pre-charging voltages, a main contactor switch K1 and an auxiliary contactor switch K3 are turned on, and the pre-charging process is completed. According to the method, the pre-charging time is short, the charging time is shortened safely and effectively, and user experience is improved.
Description
Technical field
The invention belongs to automobile charging field is and in particular to a kind of pure electric automobile preliminary filling loop and method.
Background technology
With being continuously increased of global internal-combustion engines vehicle recoverable amount, the continuous consumption of traditional vehicle used energy oil reserve, interior
Combustion engine automobile emission pollution on the environment can not be ignored, and therefore the pure electric automobile of zero-emission certainly will become Global Auto
The inexorable trend of industry development.But the voltage of electric automobile power battery is usually several hectovolts, for meeting the demand of secure context,
Controller for motor of pure electric vehicle and high pressure adnexa control device need to be entered with line precharge management.Pure electric automobile on sale at present
High pressure electrification circuit adopts one-level preliminary filling loop control scheme, and pre-charging time is long, and driver's experience is poor.And to main drive motor
The preliminary filling of controller and high pressure adnexa control device designs in different circuit, increased the complexity of high-voltage safety management system
Property.
Content of the invention
It is an object of the invention to overcoming above-mentioned deficiency, a kind of pure electric automobile preliminary filling loop and method being provided, can contract
In the short charging interval, improve Consumer's Experience.
In order to achieve the above object, the main contactor that a kind of pure electric automobile preliminary filling loop includes being all connected with anode is opened
Close k1, preliminary filling catalyst k2 and subsidiary engine contactless contactor k3, battery cathode connects cathode contact device k4, and main contactor switch k1 is even
Connect one end of one end, one end of the first electric capacity c1 and main drive motor controller of first resistor r1, preliminary filling catalyst k2 connects
The other end of first resistor r1 and one end of second resistance r2 is connected, preliminary filling resistance r0 is parallel with two grades of preliminary fillings after preliminary filling resistance r0
The other end, one end of the second electric capacity c2 and adnexa control that catalyst k0, subsidiary engine contactless contactor k3 connect second resistance r2 set
Standby, the other end of cathode contact device k4 connection the first electric capacity c1, the other end of the second electric capacity c2, the other end of adnexa control device
The other end with main drive motor controller.
A kind of method of work in pure electric automobile preliminary filling loop, comprises the following steps:
Step one, closes preliminary filling catalyst k2, cathode contact device k4, completes main drive motor controller and adnexa are controlled
The one-level preliminary filling of equipment, monitors the first electric capacity c1 and the voltage at the second electric capacity c2 two ends simultaneously；
Step 2, when the ratio monitoring the first electric capacity c1 and the second electric capacity c2 both end voltage and supply voltage exceedes threshold value
When, close two grades of preliminary filling catalyst k0, realize the quick pre-charging of circuit, and continue to monitor the first electric capacity c1 and the second electric capacity c2 two
The voltage at end；
Step 3, when monitoring that the first electric capacity c1, the second electric capacity c2 both end voltage all reach safe pre-charge pressure, to car load
Controller sends the instruction that closure main contactor switchs k1 and subsidiary engine contactless contactor k3, when the feedback receiving full-vehicle control
Afterwards, execute corresponding action, closure main contactor switch k1 and subsidiary engine contactless contactor k3, complete pre-charge process.
Compared with prior art, the present invention passes through to control the closing order of each catalyst, realizes to main drive motor and attached
The preliminary filling scheme of part control device, and at preliminary filling resistance r0 two ends and di- level preliminary filling catalyst, real by control contactor
Two grades of preliminary fillings in existing preliminary filling loop control, and the present invention is using the side comparing vehicle mounted dynamic battery voltage and preliminary filling resistance terminal voltage
Formula, judges two grades of preliminary filling catalyst closing moments and preliminary filling schedule.
The method of the present invention passes through two grades of preliminary fillings, closes preliminary filling catalyst k2, cathode contact device k4 first, completes to main drive
The one-level preliminary filling of galvanic electricity machine controller and adnexa control device, in the first electric capacity c1 and the second electric capacity c2 both end voltage and power supply electricity
The ratio of pressure when exceeding threshold value, closes two grades of preliminary filling catalyst k0, realizes the quick pre-charging of circuit, finally the first electric capacity c1,
When second electric capacity c2 both end voltage all reaches safe pre-charge pressure, closure main contactor switch k1 and subsidiary engine contactless contactor k3,
Complete pre-charge process, this method pre-charging time is short, safely and effectively reduces the charging interval, improves Consumer's Experience.
Brief description
Fig. 1 is the circuit diagram of the present invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of pure electric automobile preliminary filling loop includes main contactor switch k1, the preliminary filling being all connected with anode
Catalyst k2 and subsidiary engine contactless contactor k3, battery cathode connects cathode contact device k4, and main contactor switch k1 connects the first electricity
One end of one end, one end of the first electric capacity c1 and main drive motor controller of resistance r1, preliminary filling catalyst k2 connects preliminary filling resistance
The other end of first resistor r1 and one end of second resistance r2 is connected, preliminary filling resistance r0 is parallel with two grades of preliminary filling catalysts after r0
K0, subsidiary engine contactless contactor k3 connect the other end, one end of the second electric capacity c2 and the adnexa control device of second resistance r2, negative pole
Catalyst k4 connects the other end, the other end of the second electric capacity c2, the other end of adnexa control device and the main drive of the first electric capacity c1
The other end of galvanic electricity machine controller.
A kind of method of work in pure electric automobile preliminary filling loop, comprises the following steps:
Step one, closes preliminary filling catalyst k2, cathode contact device k4, completes main drive motor controller and adnexa are controlled
The one-level preliminary filling of equipment, monitors the first electric capacity c1 and the voltage at the second electric capacity c2 two ends simultaneously；
Step 2, when the ratio monitoring the first electric capacity c1 and the second electric capacity c2 both end voltage and supply voltage exceedes threshold value
When, close two grades of preliminary filling catalyst k0, realize the quick pre-charging of circuit, and continue to monitor the first electric capacity c1 and the second electric capacity c2 two
The voltage at end；
Step 3, when monitoring that the first electric capacity c1, the second electric capacity c2 both end voltage all reach safe pre-charge pressure, to car load
Controller sends the instruction that closure main contactor switchs k1 and subsidiary engine contactless contactor k3, when the feedback receiving full-vehicle control
Afterwards, execute corresponding action, closure main contactor switch k1 and subsidiary engine contactless contactor k3, complete pre-charge process.
Claims (2)
1. a kind of pure electric automobile preliminary filling loop it is characterised in that include is all connected with the main contactor switch k1 of anode, pre-
Fill catalyst k2 and subsidiary engine contactless contactor k3, battery cathode connects cathode contact device k4, main contactor switch k1 connects first
One end of one end of resistance r1, one end of the first electric capacity c1 and main drive motor controller, preliminary filling catalyst k2 connects precharge
The other end of first resistor r1 and one end of second resistance r2 is connected, preliminary filling resistance r0 is parallel with two grades of preliminary filling catalysts after resistance r0
K0, subsidiary engine contactless contactor k3 connect the other end, one end of the second electric capacity c2 and the adnexa control device of second resistance r2, negative pole
Catalyst k4 connects the other end, the other end of the second electric capacity c2, the other end of adnexa control device and the main drive of the first electric capacity c1
The other end of galvanic electricity machine controller.
2. a kind of method of work in the pure electric automobile preliminary filling loop described in claim 1 is it is characterised in that include following walking
Rapid:
Step one, closes preliminary filling catalyst k2, cathode contact device k4, completes to main drive motor controller and adnexa control device
One-level preliminary filling, monitor the first electric capacity c1 and the voltage at the second electric capacity c2 two ends simultaneously；
Step 2, when monitoring that the ratio that the first electric capacity c1 and the second electric capacity c2 both end voltage are with supply voltage exceedes threshold value,
Two grades of preliminary filling catalyst k0 of closure, realize the quick pre-charging of circuit, and continue to monitor the first electric capacity c1 and the second electric capacity c2 two ends
Voltage；
Step 3, when monitoring that the first electric capacity c1, the second electric capacity c2 both end voltage all reach safe pre-charge pressure, to full-vehicle control
Device sends the instruction that closure main contactor switchs k1 and subsidiary engine contactless contactor k3, after receiving the feedback of full-vehicle control, holds
The corresponding action of row, closure main contactor switch k1 and subsidiary engine contactless contactor k3, complete pre-charge process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831687.2A CN106364319B (en) | 2016-09-19 | 2016-09-19 | A kind of pure electric automobile preliminary filling circuit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831687.2A CN106364319B (en) | 2016-09-19 | 2016-09-19 | A kind of pure electric automobile preliminary filling circuit and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106364319A true CN106364319A (en) | 2017-02-01 |
| CN106364319B CN106364319B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610831687.2A Active CN106364319B (en) | 2016-09-19 | 2016-09-19 | A kind of pure electric automobile preliminary filling circuit and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106364319B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649192A (en) * | 2018-12-26 | 2019-04-19 | 威马智慧出行科技（上海）有限公司 | The selection method and equipment of electric vehicle pre-charging device |
| CN111262317A (en) * | 2018-11-30 | 2020-06-09 | 比亚迪股份有限公司 | Electric automobile, charger thereof and charger control method |
| CN111786439A (en) * | 2020-07-31 | 2020-10-16 | 中车青岛四方机车车辆股份有限公司 | Pre-charging circuit, charging system, pre-charging method and train |
| CN112297845A (en) * | 2019-07-31 | 2021-02-02 | 比亚迪股份有限公司 | Power supply control system and method and vehicle |
| CN112398183A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Pre-charging circuit, energy conversion device and vehicle |
| CN114604109A (en) * | 2022-04-07 | 2022-06-10 | 中国第一汽车股份有限公司 | Pre-charging device, system and pre-charging control method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262317A (en) * | 2018-11-30 | 2020-06-09 | 比亚迪股份有限公司 | Electric automobile, charger thereof and charger control method |
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| CN112297845B (en) * | 2019-07-31 | 2022-05-13 | 比亚迪股份有限公司 | Power supply control system and method and vehicle |
| CN112398183A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Pre-charging circuit, energy conversion device and vehicle |
| CN111786439A (en) * | 2020-07-31 | 2020-10-16 | 中车青岛四方机车车辆股份有限公司 | Pre-charging circuit, charging system, pre-charging method and train |
| CN114604109A (en) * | 2022-04-07 | 2022-06-10 | 中国第一汽车股份有限公司 | Pre-charging device, system and pre-charging control method |
| CN114604109B (en) * | 2022-04-07 | 2024-03-19 | 中国第一汽车股份有限公司 | Precharge device, precharge system, and precharge control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106364319B (en) | 2018-11-06 |
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