CN109733305A - A kind of automobile power supply system - Google Patents
A kind of automobile power supply system Download PDFInfo
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- CN109733305A CN109733305A CN201811634505.8A CN201811634505A CN109733305A CN 109733305 A CN109733305 A CN 109733305A CN 201811634505 A CN201811634505 A CN 201811634505A CN 109733305 A CN109733305 A CN 109733305A
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- power supply
- vehicle
- supply module
- electrical equipment
- mounted power
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Abstract
The present invention relates to a kind of automobile power supply systems, include the first vehicle-mounted power supply module, the second vehicle-mounted power supply module, the vehicle-mounted power supply module of third, first kind electrical equipment, the second class electrical equipment and third class electrical equipment；First vehicle-mounted power supply module is respectively to the second vehicle-mounted power supply module and the vehicle-mounted power supply module power supply of third；First vehicle-mounted power supply module is connected with first kind electrical equipment, is used for first kind power supply for electrical equipment；Second vehicle-mounted power supply module and the connection of the second class electrical equipment, are used for the second class power supply for electrical equipment；The vehicle-mounted power supply module of third is connected with third class electrical equipment, is used for third class power supply for electrical equipment；Using the above scheme, the power distribution that can rationally provide automobile current generator, battery is to onboard system, and avoiding variety classes electrical appliance, there are larger differences, and disturbed condition occurs, and guarantees that each electrical equipment is normal, steady operation；Scheme provided by the invention can effectively improve vehicle complete vehicle dynamic property, reduce cost.
Description
Technical field
The invention belongs to automobile power supply system technical fields, and in particular to a kind of automobile power supply system.
Background technique
With quickly growing for automobile industry, the quantity of automobile is more and more, and the application of onboard system is also more more and more universal；
In existing automobile, increasing automobile electrical equipment for onboard system is the main path for improving automotive performance or increasing function, but
It is that electrical equipment includes more functional module and functional device in onboard system, power consumption is larger when not being used only, Er Qieyun
Each electrical part, which has differences, when making can generate interference；Specifically, automobile power supply system generator+battery driven by the engine
Deng composition, increase electrical equipment can excessively increase the maximum loadability of power supply system, thus reduce the dynamic property of automobile entirety,
Economy, and influence complete vehicle structure layout and increase manufacturing cost；Effect, power and the working characteristics equal difference of automobile electrical equipment
It is different very big, and automobile power supply system load-bearing capacity may cause crucial electrical equipment not in a wide range of interior variation rapidly at any time
It can work normally and generate serious consequence, the above problem has become a technical problem for restricting development of automobile.
Summary of the invention
The present invention devises a kind of automobile power supply system, which solve the problem of.
In order to solve above-mentioned technical problem, present invention employs following scheme:
A kind of automobile power supply system includes the first vehicle-mounted power supply module, the second vehicle-mounted power supply module, the vehicle-mounted power supply mould of third
Block, first kind electrical equipment, the second class electrical equipment and third class electrical equipment；First vehicle-mounted power supply module is respectively to second
Vehicle-mounted power supply module and the vehicle-mounted power supply module power supply of third；First vehicle-mounted power supply module is connected with first kind electrical equipment, is used for
To first kind power supply for electrical equipment；Second vehicle-mounted power supply module and the connection of the second class electrical equipment, for being set to the second class electricity consumption
Available electricity；The vehicle-mounted power supply module of third is connected with third class electrical equipment, is used for third class power supply for electrical equipment.
It further, further include having boost module；The first vehicle-mounted power supply module is by the boost module to described
Second vehicle-mounted power supply module power supply；It is described when the described second vehicle-mounted power supply module detects the low overcharge setting value Vl of voltage
Boost module starting, the first vehicle-mounted power supply module is to the described second vehicle-mounted power supply module charging；It is set when charging voltage exceeds
Fixed the boost module stops working when stopping filling setting value V2, the first vehicle-mounted power supply module and the described second vehicle-mounted confession
Electric module disconnects；And/or second vehicle-mounted power supply module it is 0.5-1.5V higher than the voltage of the first vehicle-mounted power supply module.
Further, boost module includes inductance coil, unilateal conduction device and controlled switch；Inductance coil one end
It is connect with the first vehicle-mounted power supply module, the other end is connect with unilateal conduction device；Unilateal conduction device and the second vehicle-mounted power supply
Module connection；Controlled switch one end is connected between inductance coil and unilateal conduction device, the other end and the second vehicle-mounted power supply
Module connection.
It further, further include having inductance coil and unilateal conduction device；Inductance coil one end and the first vehicle-mounted power supply mould
Block connection, the other end are connect with unilateal conduction device；Unilateal conduction device is connect with the vehicle-mounted power supply module of third.
Further, the first vehicle-mounted power supply module includes generator and battery.
Further, the second vehicle-mounted power supply module and the vehicle-mounted power supply module of third include multiple capacitors；Multiple electricity
Container is arranged in parallel, to form capacitance group；Capacitance group is for storing electric energy or release electric energy.
Further, first kind electrical equipment passes through generator and direct battery power.
Further, the second class electrical equipment includes car body controller BCM and/or electronic power assist steering device EPS.
Further, third class electrical equipment includes motor DC motor M；Motor DC motor M and contact switch K goes here and there
It is arranged in parallel again with capacitor after connection.
Further, third class electrical equipment is the starter of automobile；It is just enabled when starter is only storage battery power supply.
The automobile power supply system has the advantages that
Automobile power supply system provided by the invention, the power distribution that can rationally provide automobile current generator, battery is to vehicle-mounted
System, avoiding variety classes electrical appliance, there are larger differences, and disturbed condition occurs, and guarantees that each electrical equipment is normal, steady operation；
Scheme provided by the invention can effectively improve vehicle complete vehicle dynamic property, reduce cost.
Detailed description of the invention
A kind of Fig. 1: automobile power supply system structural schematic diagram of the present invention；
Fig. 2: the first vehicle-mounted power supply module of the invention and the second vehicle-mounted power supply module connection figure；
Fig. 3: the first vehicle-mounted power supply module of the invention and the vehicle-mounted power supply module connection figure of third.
Description of symbols:
10-the first vehicle-mounted power supply module；20-the second vehicle-mounted power supply module；The vehicle-mounted power supply module of 30-thirds；40-the first kind
Electrical equipment；50-the second class electrical equipment；60-third class electrical equipments；70-boost modules.
Specific embodiment
With reference to the accompanying drawing, the present invention will be further described:
Fig. 1 to Fig. 3 shows a kind of automobile power supply system, includes the first vehicle-mounted power supply module 10, the second vehicle-mounted power supply module
20, the vehicle-mounted power supply module 30 of third, first kind electrical equipment 40, the second class electrical equipment 50 and third class electrical equipment 60；
First vehicle-mounted power supply module 10 is powered to the second vehicle-mounted power supply module 20 and the vehicle-mounted power supply module 30 of third respectively；First vehicle-mounted confession
Electric module 10 and first kind electrical equipment 40 connect, for powering to first kind electrical equipment 40；Second vehicle-mounted power supply module 20
It is connected with the second class electrical equipment 50, for powering to the second class electrical equipment 50；The vehicle-mounted power supply module 30 of third and third class
Electrical equipment 60 connects, for powering to third class electrical equipment 60；Application scheme sets the electricity consumption in automobile mounted system
It is standby to be divided at least three types electrical equipment, so that it is right therewith that automobile power supply system is divided at least three vehicle-mounted power supply modules
It answers；Wherein, the first vehicle-mounted power supply module 10 is primary supplies system, then supplies power to the vehicle-mounted power supply of secondary power system i.e. second
The vehicle-mounted power supply module 30 of module 20, third, the first vehicle-mounted power supply module 10, the second vehicle-mounted power supply module 20, the vehicle-mounted power supply of third
Module 30 respectively corresponds again supplies power to first kind electrical equipment 40, the second class electrical equipment 50, third class electrical equipment 60, thus
Reasonable distribution electric energy correspondence supplies power to all types of electrical equipments, and avoiding variety classes electrical appliance, there are larger differences to interfere
Situation guarantees that each electrical equipment is normal, steady operation.
It preferably, further include having boost module 70 as shown in Figure 1 to Figure 3 in conjunction with above scheme；First vehicle-mounted power supply mould
Block 10 is powered by boost module 70 to the second vehicle-mounted power supply module 20；Further, boost module 70 includes inductance coil
L, unilateal conduction device D and controlled switch Q；The one end inductance coil L is connect with the first vehicle-mounted power supply module 10, the other end with
The D connection of unilateal conduction device；Unilateal conduction device D is connect with the second vehicle-mounted power supply module 20；The one end controlled switch Q is connected to electricity
Feel between coil L and unilateal conduction device D, the other end is connect with the second vehicle-mounted power supply module 20；Specifically, the first vehicle-mounted confession
Electric module 10 supplies power to the second vehicle-mounted power supply module 20 by inductance coil L, unilateal conduction device D and controlled switch Q；Meanwhile
First vehicle-mounted power supply module 10 directly supplies power to the vehicle-mounted power supply module 30 of third by inductance coil L and unilateal conduction device D；Electricity
Sense coil L has an afterflow protective effect, guarantee electric current it is smooth flow into the second vehicle-mounted power supply module from the first vehicle-mounted power supply module 10
20 and the vehicle-mounted power supply module 30 of third, unilateal conduction device D such as unilateral diode reverse current can be prevented from the second vehicle-mounted power supply
Module 20 and the vehicle-mounted power supply module 30 of third flow into the first vehicle-mounted power supply module 10, ensure that electric current is continuous and flat in power supply process
Surely；Wherein, the second vehicle-mounted power supply module 20 has also increased controlled switch Q, controlled switch Q and inductance coil L, unilateal conduction device newly
D also constitutes a boost module 70, guarantees that the output voltage of the second vehicle-mounted power supply module 20 is controlled；Further, in order to protect
It protects the second class electrical equipment, in application scheme, the second vehicle-mounted power supply module need to be made to provide higher than the first vehicle-mounted power supply module
Voltage, such that the first vehicle-mounted power supply module between the second vehicle-mounted power supply module unilateal conduction device disconnect, guarantee
Second class electrical equipment not will receive the influence of other power supply modules (equipment), when the second vehicle-mounted power supply module detects voltage
When low overcharge setting value Vl, boost module will start, the first vehicle-mounted power supply module is to the second vehicle-mounted power supply module charging；When filling
Piezoelectric voltage exceeds when stopping filling setting value V2 of setting, and boost module stops working, the first vehicle-mounted power supply module and the second vehicle-mounted confession
Electric module disconnects；The high 0.5-1.5V of voltage of the second vehicle-mounted power supply module 10 of vehicle-mounted power supply module 20 to the first of general setting.
It preferably, further include having inductance coil L and unilateal conduction device D as shown in Figure 1 to Figure 3 in conjunction with above scheme；
The one end inductance coil L is connect with the first vehicle-mounted power supply module 10, and the other end is connect with unilateal conduction device D；Unilateal conduction device
Part D is connect with the vehicle-mounted power supply module 30 of third.
Preferably, in conjunction with above scheme, as shown in Figure 1 to Figure 3, the first vehicle-mounted power supply module 10 includes generator and storage
Battery, to form primary supplies system;Further, the second vehicle-mounted power supply module 20 and the vehicle-mounted power supply module 30 of third include
There are multiple capacitors；Capacitor is supercapacitor；Multiple supercapacitors are arranged in parallel, to form capacitance group, to form
Secondary power system；Specifically, capacitance group is for storing electric energy or release electric energy；Specifically, the second vehicle-mounted power supply module 20,
Three vehicle-mounted power supply modules 30 are that the super capacitor group C that multiple capacitors are constituted in series and parallel is used to deposit, discharge；Super capacitor group C packet
Several capacitors connected in series and parallel are included, certain voltage value are continuously charged in automobilism, when super capacitor group C discharges
This voltage value maintains the corresponding electrical equipment work of each vehicle-mounted power supply module.
Preferably, in conjunction with above scheme, as shown in Figure 1 to Figure 3, the elements such as including starter of first kind electrical equipment 40,
First kind electrical equipment 40 passes through generator and direct battery power；Specifically, first kind electrical equipment 40 is in generator
Electric elements of the operating voltage with respect to steady operation under big ups and downs or the relatively low state of voltage；Specifically, first kind electricity consumption
The first vehicle-mounted directly power supply of power supply module 10 that equipment 40 is made of generator and battery, such electric elements are in operating voltage
Under opposite big ups and downs or the relatively low state of voltage can steady operation, voltage is less than 10V such as in 12V onboard power system
And/or fluctuation remains to work normally between 9 ~ 16V.
Preferably, in conjunction with above scheme, as shown in Figure 1 to Figure 3, the second class electrical equipment includes car body controller BCM
And/or electronic power assist steering device EPS；Further, the second class electrical equipment 50 includes that car body controller BCM and electronics power-assisted turn
To device EPS；Car body controller BCM and electronic power assist steering device EPS and super capacitor C is disposed in parallel with one another.Second class electricity consumption is set
Standby 50 include the electrical equipment, such as car body controller BCM, electronic power assist steering device EPS etc. of some running car auxiliary systems,
Super capacitor group C is powered it in the continuous discharge process that works；Specifically, the second class electrical equipment 50 is in voltage
The electric elements of steady operation under relatively high state；Second class electrical equipment 50 is by the vehicle-mounted power supply mould of secondary power system second
Block 20 is powered, and such electric elements are able to maintain steady operation under the relatively high state of voltage, such as in 12V onboard power system
Voltage fluctuates normal work between 13 ~ 16V.
Preferably, in conjunction with above scheme, as shown in Figure 1 to Figure 3, third class electrical equipment includes motor DC motor M；
Motor DC motor M is arranged in parallel with capacitor again after connecting with contact switch K；Further, third class electrical equipment 60 is wrapped
Motor DC motor M is included, is arranged in parallel again with super capacitor C after motor DC motor M, contact switch K series connection.Third class is used
Electric equipment 60 can actually be classified as the actuator device of common vehicle；Specifically, third class electrical equipment 60 is only electric power storage
The high current electrical equipment of steady operation under the power supply state of pond.Third class electrical equipment 60 is just to enable when only having storage battery power supply
High-current equipment, under normal conditions completely by the vehicle-mounted power supply module 30 of third be super capacitor group C energy storage complete, for a
Sorrow of separation condition, then by battery through inductance coil L to super capacitor group C charge, then by super capacitor group C+ battery energy storage into
The power supply of row third class electrical equipment 60.
In conjunction with above scheme, be below automobile power supply system specific works embodiment: unilateal conduction device D ensure that super
The voltage of capacitance group C is higher than a few volt voltages of battery, guarantees that electric current to super capacitor group C one-way flow, also ensures super electricity
The dedicated power supply of appearance group C；Inductance coil L chooses appropriate value, neither influence super capacitor group C charging, and prevents super capacitor group C
Current potential is lower or generates heavy current impact without power-up in the case of current potential, and the electric current due to flowing through inductance coil L cannot be mutated, so
It ensure that automobile starting moment major part electric current is provided by super capacitor group C；Specifically, super after automobile starting 1 second
The electric energy of capacitance group C storage is finished, and at this moment by automobile storage battery steady electricity supply, prevents the relatively great start-up current of automobile starting in this way
Impact is generated to automobile storage battery；The internal resistance of super capacitor group C compared with battery it is very small, improve starting motor DC motor
The starting performance of M；Super capacitor group C specially powers to motor DC motor M by automobile electromagnetic starting motor contact switch K, keeps away
Exempt from that the energy of automobile storage battery is excessively used and causes automobile that cannot start and battery high current when automobile current generator is stopped transport
The case where damage, occurs.
Automobile power supply system provided by the invention, the power distribution that can rationally provide automobile current generator, battery is extremely
Onboard system, avoiding variety classes electrical appliance, there are larger differences, and disturbed condition occurs, and guarantees that each electrical equipment is normal, stablizes work
Make；Scheme provided by the invention can effectively improve vehicle complete vehicle dynamic property, reduce cost.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that realization of the invention is not by aforesaid way
Limitation, as long as use the inventive concept and technical scheme of the present invention carry out various improvement, or it is not improved will be of the invention
Conception and technical scheme directly apply to other occasions, be within the scope of the invention.
Claims (10)
1. a kind of automobile power supply system, which is characterized in that include the first vehicle-mounted power supply module, the second vehicle-mounted power supply module,
Three vehicle-mounted power supply modules, first kind electrical equipment, the second class electrical equipment and third class electrical equipment；The first vehicle-mounted confession
Electric module is respectively to the described second vehicle-mounted power supply module and the vehicle-mounted power supply module power supply of the third；The first vehicle-mounted power supply mould
Block is connected with the first kind electrical equipment, is used for the first kind power supply for electrical equipment；The second vehicle-mounted power supply module
It connects, is used for the second class power supply for electrical equipment with the second class electrical equipment；The vehicle-mounted power supply module of third and
The third class electrical equipment connection, is used for the third class power supply for electrical equipment.
2. automobile power supply system according to claim 1, which is characterized in that further include having boost module；First vehicle
It carries power supply module and is powered by the boost module to the described second vehicle-mounted power supply module；When the described second vehicle-mounted power supply module inspection
When measuring the low overcharge setting value Vl of voltage, the boost module starting, the first vehicle-mounted power supply module gives second vehicle
Carry power supply module charging；When charging voltage exceeds when stopping filling setting value V2 of setting, the boost module stops working, and described
One vehicle-mounted power supply module is disconnected with the described second vehicle-mounted power supply module；And/or the second vehicle-mounted power supply module power supply more vehicle-mounted than first
The high 0.5-1.5V of the voltage of module.
3. automobile power supply system according to claim 2, which is characterized in that the boost module include inductance coil,
Unilateal conduction device and controlled switch；Described inductance coil one end is connect with the described first vehicle-mounted power supply module, the other end
It is connect with the unilateal conduction device；The unilateal conduction device is connect with the described second vehicle-mounted power supply module；It is described controlled to open
It closes one end to be connected between the inductance coil and the unilateal conduction device, the other end and the described second vehicle-mounted power supply module
Connection.
4. automobile power supply system according to claim 1, which is characterized in that further include having inductance coil and unilateal conduction device
Part；Described inductance coil one end is connect with the described first vehicle-mounted power supply module, and the other end is connect with the unilateal conduction device；
The unilateal conduction device is connect with the vehicle-mounted power supply module of the third.
5. automobile power supply system according to claim 1, which is characterized in that the first vehicle-mounted power supply module includes hair
Motor and battery.
6. automobile power supply system according to claim 1, which is characterized in that the second vehicle-mounted power supply module and described
Three vehicle-mounted power supply modules include multiple capacitors；Multiple capacitors are arranged in parallel, to form capacitance group；The capacitor
Group is for storing electric energy or release electric energy.
7. automobile power supply system according to claim 5, which is characterized in that the first kind electrical equipment passes through the hair
Motor and direct battery power.
8. automobile power supply system according to claim 1, which is characterized in that the second class electrical equipment includes vehicle body
Controller BCM and/or electronic power assist steering device EPS.
9. automobile power supply system according to claim 1, which is characterized in that the third class electrical equipment includes motor
D.c. motor M；The motor DC motor M is arranged in parallel with the capacitor again after connecting with contact switch K.
10. automobile power supply system according to claim 1, which is characterized in that the third class electrical equipment is automobile
Starter；It is just enabled when the starter is only the storage battery power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634505.8A CN109733305A (en) | 2018-12-29 | 2018-12-29 | A kind of automobile power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634505.8A CN109733305A (en) | 2018-12-29 | 2018-12-29 | A kind of automobile power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109733305A true CN109733305A (en) | 2019-05-10 |
Family
ID=66362240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634505.8A Pending CN109733305A (en) | 2018-12-29 | 2018-12-29 | A kind of automobile power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109733305A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101485062A (en) * | 2006-08-04 | 2009-07-15 | 宝马股份公司 | System for supplying voltage to electrical loads of a motor vehicle |
| CN105599620A (en) * | 2015-11-25 | 2016-05-25 | 上海展枭新能源科技有限公司 | Automobile starting power source device based on lithium ion capacitor and automobile starting control method |
| CN105896712A (en) * | 2016-06-15 | 2016-08-24 | 吉林大学 | Combined electric energy control system and control method for electric vehicle |
| CN107089210A (en) * | 2017-04-12 | 2017-08-25 | 奇瑞汽车股份有限公司 | Automobile power supply system |
-
2018
- 2018-12-29 CN CN201811634505.8A patent/CN109733305A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101485062A (en) * | 2006-08-04 | 2009-07-15 | 宝马股份公司 | System for supplying voltage to electrical loads of a motor vehicle |
| CN105599620A (en) * | 2015-11-25 | 2016-05-25 | 上海展枭新能源科技有限公司 | Automobile starting power source device based on lithium ion capacitor and automobile starting control method |
| CN105896712A (en) * | 2016-06-15 | 2016-08-24 | 吉林大学 | Combined electric energy control system and control method for electric vehicle |
| CN107089210A (en) * | 2017-04-12 | 2017-08-25 | 奇瑞汽车股份有限公司 | Automobile power supply system |
Non-Patent Citations (1)
| Title |
|---|
| 漆逢吉: "《通信电源》", 28 February 2015, 北京邮电大学出版社 * |
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Address after: 241003 no.226, South Huajin Road, high tech Industrial Development Zone, Wuhu City, Anhui Province Applicant after: Chery New Energy Automobile Co.,Ltd. Address before: 241003 Huajing South Road, Yijiang District, Wuhu, Anhui 226 Applicant before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190510 |