CN109204060A - A kind of battery of electric vehicle group safety control - Google Patents
A kind of battery of electric vehicle group safety control Download PDFInfo
- Publication number
- CN109204060A CN109204060A CN201811057292.7A CN201811057292A CN109204060A CN 109204060 A CN109204060 A CN 109204060A CN 201811057292 A CN201811057292 A CN 201811057292A CN 109204060 A CN109204060 A CN 109204060A
- Authority
- CN
- China
- Prior art keywords
- relay
- battery pack
- battery
- electric vehicle
- safety control
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000003760 hair shine Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H02J7/0026—
-
- 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
Abstract
The invention discloses a kind of battery of electric vehicle group safety controls, including power battery pack, relay, switching circuitry, charge circuit and emergency button；The switching circuitry and car key switch connect, and are used for transmission the switching signal of car key；The charge circuit is used for transmission the charging signals for battery pack charging；The switching circuitry and charge circuit are connected to the control unit of relay；The switch portion of the relay is connected to power battery pack；Described emergency button one end is connected to the control unit of relay, the other end is connected to the intracorporal 12V DC battery of vehicle；The relay enters working condition for controlling power battery pack, carries out charge and discharge.The present invention increases battery pack safety control between power battery pack, ensure that normal condition and safety of the power battery pack in parking and charging on the basis of original new energy vehicle.
Description
Technical field
The present invention relates to cell safety technical field more particularly to a kind of battery of electric vehicle group safety controls.
Background technique
The battery pack that the single battery series, parallel of lithium ion or mixed connection are constituted is widely used in various electric vehicles,
Such as electric bicycle, battery-operated motor cycle and electric car, battery pack is used to provide power, alternatively referred to as power electric for electric vehicle
Pond group；Therefore the safety of power battery pack and service life are the core key technologies of battery pack.
As new energy vehicle continues to develop, type and quantity of the new-energy automobile in market are increasing, in order to ensure
The safety of vehicle will not only ensure the security performance in vehicle travel process, while be ensured that vehicle stops and charges
Safety in the process；Some vehicles can have car key and the equal failure of charge circuit, cause power electric after long term stop
Pond group can not provide power；Sometimes it there is also when charging to power battery pack, upper electrical phenomena missed to interior 12V battery.
In view of the above problems, increasing battery pack safety control between power battery pack on the basis of original new energy vehicle, guarantee
Normal condition and safety of the power battery pack in parking and charging.
Summary of the invention
The shortcoming that the present invention develops for current needs and the prior art provides a kind of battery of electric vehicle group safety
Control device ensure that normal condition and safety of the power battery pack in parking and charging.
To achieve the goals above, the following technical solution is employed by the present invention:
The present invention provides a kind of battery of electric vehicle group safety controls, comprising: power battery pack, relay, switching circuitry,
Charge circuit and emergency button；
The switching circuitry and car key switch connect, and are used for transmission the switching signal of car key；
The charge circuit is used for transmission the charging signals for battery pack charging；
The switching circuitry and charge circuit are connected to the control unit of relay；The switch portion of the relay is connected to power
Battery pack；
Described emergency button one end is connected to the control unit of relay, the other end is connected to the intracorporal 12V DC battery of vehicle；
The relay enters working condition for controlling power battery pack, carries out charge and discharge.
Preferably, the power battery pack includes multiple concatenated single batteries, for powering for interior power mechanism.
Preferably, the switching circuitry includes light emitting diode D2 and diode D3, the cathode of the light emitting diode D2
The anode of diode D3 is connected, the anode of light emitting diode D2 is connected to car key switch.
Preferably, the charge circuit includes transformer and light emitting diode D1；Described transformer one end connects AC220V
Power supply, the other end export direct current 12V, and for AC220V power supply to be converted into direct current 12V, transformer exports one end of direct current 12V
Connect the anode of light emitting diode D1.
Preferably, the cathode of the diode D3 and the cathode of light emitting diode D1 are connected to the control unit of relay.
Preferably, the relay is the relay of 12V/200A.
Preferably, the emergency button is arranged in car body, is manual push button switch；It is used to switch and fill in car key
When the equal failure of electrical circuit, pass through closure emergency button, emergency start vehicle.
Preferably, the current supply circuit of the power battery pack is serially connected with protection element.
Preferably, the protection element is fuse, and the blowout current of the fuse is 300A.
Beneficial effects of the present invention:
The present invention is mainly used in vehicle in parking and charging process by the way that battery pack safety control is arranged in the car
Security control to power battery pack ensure that normal condition and safety of the power battery pack in parking and charging；Increase after
Electrical equipment control, so that the switching and control of car key switching signal and charging signals to power battery pack；Increased emergency button,
In order to which in the case where vehicle is parked for a long time, All other routes can not start power battery pack, emergency button is used at this time, makes vehicle
Interior 12V battery is vehicle power supply, achievees the purpose that start vehicle；Increase protection element, in power battery pack for vehicle
Occurs short trouble in operation and parking, instantaneous trip battery pack circuit guarantees the power supply safety of power battery pack.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of battery of electric vehicle group safety control of the present invention.
Numbering in the drawing are as follows:
100 be power battery pack, and 200 be switching circuitry, and 201 switch for car key, and 300 be charge circuit, and 301 be transformer,
400 be emergency button.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail:
Embodiment one: as shown in Figure 1, a kind of battery of electric vehicle group safety control of the invention, comprising: power battery pack
100, relay, switching circuitry 200, charge circuit 300 and emergency button 400；
The switching circuitry 200 is connect with car key switch 201, is used for transmission the switching signal of car key；
The charge circuit 300 is used for transmission the charging signals for battery pack charging；
The switching circuitry 200 and charge circuit 300 are connected to the control unit of relay；The switch portion of the relay connects
To power battery pack 100；
Described 400 one end of emergency button is connected to the control unit of relay, the other end is connected to the intracorporal 12V DC electric power storage of vehicle
Pond；
The relay carries out charge and discharge for controlling power battery pack 100 into working condition.
Embodiment two: another battery of electric vehicle group safety control of the invention, comprising: power battery pack 100, after
Electric appliance, switching circuitry 200, charge circuit 300 and emergency button 400；
The switching circuitry 200 is connect with car key switch 201, is used for transmission the switching signal of car key；
The charge circuit 300 is used for transmission the charging signals for battery pack charging；
The switching circuitry 200 and charge circuit 300 are connected to the control unit of relay；The switch portion of the relay connects
To power battery pack 100；
Described 400 one end of emergency button is connected to the control unit of relay, the other end is connected to the intracorporal 12V DC electric power storage of vehicle
Pond；The emergency button 400 is arranged in car body, is manual push button switch；It is used in car key switch 201 and charge circuit
When 300 equal failure, by being closed emergency button 400, emergency start vehicle.
The relay carries out charge and discharge for controlling power battery pack 100 into working condition.Specifically, relay
It is connected in power battery pack 100, after relay obtains electric closure, power battery pack 100 could be worked normally as vehicle power supply.
The power battery pack 100 includes multiple concatenated single batteries, for powering for interior power mechanism.
The switching circuitry 200 includes the cathode connection of light emitting diode D2 and diode D3, the light emitting diode D2
The anode of diode D3, the anode of light emitting diode D2 are connected to car key switch 201；Specifically, the switching circuitry 200 passes
The switching signal of defeated car key is 12V power supply signal, which also uses interior 12V DC storage battery power supply.
The charge circuit 300 includes transformer 301 and light emitting diode D1；301 one end of transformer connection
AC220V power supply, the other end export direct current 12V, and for AC220V power supply to be converted into direct current 12V, transformer 301 exports direct current
The cathode of one end connection light emitting diode D1 of 12V.The cathode of the diode D3 and the cathode of light emitting diode D1 are connected to
The control unit of relay；The relay is the relay of 12V/200A.
The current supply circuit of the power battery pack 100 is serially connected with protection element；The protection element is fuse, described molten
The blowout current of disconnected device is 300A.
As an embodiment, the relay in the present embodiment using RUIKE company JD1914 model
Normally opened relay, what light emitting diode D1 and D2 were all made of is the LED light emitting diode of Risym company；What diode D3 was used
It is the diode of the IN4742 model of Zuo Tian company；Transformer 301 turns the transformer of 12V using the 22V of mayer company of section.
As shown in fig. 1, the relay in the present apparatus is indicated with relay K1.
The working principle of the safety control are as follows: when opening car key switch 201, switching circuitry 200 is connected, and is shone
Diode D2 and diode D3 forward conduction, relay K1 receive control signal, and relay K1 switch portion closure drives power
100 high pressure of battery pack powers on, and vehicle achievees the purpose that traveling.
When closing car key switch 201, switching circuitry 200 is disconnected, the control unit power-off of relay K1, power battery pack
The power-off of 100 high pressures, for vehicle when parking for a long time, power battery pack 100 ensure that the safety of vehicle without High voltage output at this time.
When being charged using AC220V to vehicle, after external plug connection, charge circuit 300 is connected, transformer 301
Output is to relay K1 after AC220V power supply is converted into direct current 12V, and light emitting diode D1 forward conduction, shows to move at this time at this time
Power battery pack 100 is in charged state；The control unit of relay K1 obtains electric, switch portion closure, in 100 high pressure of power battery pack
Electricity carries out vehicle charging；In the diode D3 that switching circuitry 200 designs, make 201 signal one-way conduction of car key switch, right
In 100 charging process of power battery pack, blocks and connect with the supply lines of the 12V battery of former vehicle, interior 12V electricity consumption is avoided to set
The generation of standby accidentally upper electrical phenomena.
Emergency button 400 is designed on the apparatus, it is therefore an objective to when the switching circuitry 200 of car key switch 201 breaks down,
When can not start vehicle, emergency button 400 is pressed, the 12V battery of former vehicle can power on electrical equipment, relay K1 control
Portion obtains electric, and switch portion closure, power battery pack 100 powers on, and achievees the purpose that start vehicle, so that vehicle is protected under special circumstances
Hold normally travel.
Illustrated above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of battery of electric vehicle group safety control characterized by comprising power battery pack (100), is opened relay
Close circuit (200), charge circuit (300) and emergency button (400)；
The switching circuitry (200) connect with car key switch (201), is used for transmission the switching signal of car key；
The charge circuit (300) is used for transmission the charging signals for battery pack charging；
The switching circuitry (200) and charge circuit (300) are connected to the control unit of relay；The switch portion of the relay
It is connected to power battery pack (100)；
Described emergency button (400) one end is connected to the control unit of relay, the other end is connected to the intracorporal 12V DC electric power storage of vehicle
Pond；
The relay carries out charge and discharge for controlling power battery pack (100) into working condition.
2. a kind of battery of electric vehicle group safety control according to claim 1, which is characterized in that the power battery
Group (100) includes multiple concatenated single batteries, for powering for interior power mechanism.
3. a kind of battery of electric vehicle group safety control according to claim 1, which is characterized in that the switching circuitry
(200) include light emitting diode D2 and diode D3, the light emitting diode D2 cathode connection diode D3 anode, shine
The anode of diode D2 is connected to car key switch (201).
4. a kind of battery of electric vehicle group safety control according to claim 3, which is characterized in that the charge circuit
It (300) include transformer (301) and light emitting diode D1；Described transformer (301) one end connects AC220V power supply, and the other end is defeated
Direct current 12V out, for AC220V power supply to be converted into direct current 12V, one end connection that transformer (301) exports direct current 12V shines
The anode of diode D1.
5. a kind of battery of electric vehicle group safety control according to claim 4, which is characterized in that the diode D3
Cathode and the cathode of light emitting diode D1 be connected to the control unit of relay.
6. a kind of battery of electric vehicle group safety control according to claim 1, which is characterized in that the relay is
The relay of 12V/200A.
7. a kind of battery of electric vehicle group safety control according to claim 1, which is characterized in that the emergency button
(400) it is arranged in car body, is manual push button switch；It is used to switch (201) and charge circuit (300) equal failure in car key
When, by being closed emergency button (400), emergency start vehicle.
8. a kind of battery of electric vehicle group safety control according to claim 1, which is characterized in that the power battery
The current supply circuit of group (100) is serially connected with protection element.
9. a kind of battery of electric vehicle group safety control according to claim 8, which is characterized in that the protection element
For fuse, the blowout current of the fuse is 300A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057292.7A CN109204060B (en) | 2018-09-11 | 2018-09-11 | Safety control device for battery pack of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057292.7A CN109204060B (en) | 2018-09-11 | 2018-09-11 | Safety control device for battery pack of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109204060A true CN109204060A (en) | 2019-01-15 |
| CN109204060B CN109204060B (en) | 2022-05-17 |
Family
ID=64987624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811057292.7A Active CN109204060B (en) | 2018-09-11 | 2018-09-11 | Safety control device for battery pack of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109204060B (en) |
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2018
- 2018-09-11 CN CN201811057292.7A patent/CN109204060B/en active Active
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|---|---|---|---|---|
| CN2420772Y (en) * | 2000-04-26 | 2001-02-21 | 缑泽川 | Common charger for battery and lead accumulator |
| CN201312061Y (en) * | 2008-11-28 | 2009-09-16 | 比亚迪股份有限公司 | Power distribution system |
| CN101931253A (en) * | 2010-08-31 | 2010-12-29 | 重庆长安汽车股份有限公司 | CAN bus-based pure electric vehicle charging method and system |
| CN202145577U (en) * | 2011-07-19 | 2012-02-15 | 东风汽车股份有限公司 | Pure electric vehicle charging control logic protection circuit |
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| Publication number | Publication date |
|---|---|
| CN109204060B (en) | 2022-05-17 |
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