CN207825955U - A kind of Mild hybrid vehicle drive system used for vehicle - Google Patents
A kind of Mild hybrid vehicle drive system used for vehicle Download PDFInfo
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- CN207825955U CN207825955U CN201820148444.3U CN201820148444U CN207825955U CN 207825955 U CN207825955 U CN 207825955U CN 201820148444 U CN201820148444 U CN 201820148444U CN 207825955 U CN207825955 U CN 207825955U
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- 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
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Abstract
The utility model discloses a kind of Mild hybrid vehicle drive system used for vehicle, which is made of generator, free modularization lithium battery pack, electronic control unit, line load, integrated controller；The control method of the system is when the total voltage of battery pack is higher than charging voltage is opened, and generator does not work, and only battery pack is that line load carries electricity；On the contrary then control circuit starts the switching on/off circuit in integrated controller and directly initiates generator, and generator and battery pack are powered for line load simultaneously；If in heavy duty or acceleration mode, battery pack increases the electric power compensation to line load；If being in underloading or at the uniform velocity state, while generator and battery pack are line load power supply jointly, generator is that battery pack carries out benefit electricity using its power margin.The utility model has the advantages of simple in structure, performance is stablized, Energy Saving.The hardware cost of the utility model is less than traditional combustion engine, but the service life is approximately equal to internal combustion engine, has great promotional value.
Description
Technical field
The utility model belongs to field of hybrid power, and in particular to a kind of moderate hybrid power driving used for vehicle
System.
Background technology
Current global hybrid power system is mainly used in electric vehicle.Wherein more famous hybrid power system
System includes being mixed as the plug-in of representative as the oily electric-type hybrid power HEv systems of representative, and to irrigate Lactel using general sharp this of Toyota
Close power Phev systems.
HEv systems use double dynamical design, the system to be equipped with the larger oil gas actuating unit and a body of a set of volume
The smaller battery powered mechanism of product, its working principle is that, when vehicle is in lower-speed state, the system is by battery into action edge
Output, when vehicle is in fast state, which carries out power output by oil gas, to realize fuel-efficient purpose.
Phev systems are designed using single-power, which is equipped with the larger battery pack of a set of volume and a set of for pure
For battery pack power generation generator, its working principle is that, the power of vehicle is all from battery pack, therefore the body of the battery pack
Product must be made big, and due to the power demand of battery pack to be met, and the power of the generator is also quite big.
Above two hybrid power system, although all have the advantages that it is fuel-efficient, also exist simultaneously system overall volume compared with
Greatly, cost is higher, the unstable defect of performance.Therefore, in middle-size and small-size mixed on low speed powered vehicle, at present there is an urgent need to
It is a kind of not only succinct cheap, but also reliable and stable hybrid power system.
Utility model content
In order to solve the problems in the existing technology, it is mixed specially to provide a kind of moderate used for vehicle for the utility model
Close power-driven system.
To reach above-mentioned technical purpose and effect, the utility model is achieved through the following technical solutions：
A kind of Mild hybrid vehicle drive system used for vehicle, by generator, free modularization lithium battery pack, automatically controlled list
Member, line load, integrated controller are constituted；The generator and the free modularization lithium battery pack pass through direct current transportation respectively
Line is directly connect with the electronic control unit, and the electronic control unit is connect with the line load, the generator and the freedom
Modularized lithium battery packet can be powered by the electronic control unit for the line load；The generator can pass through DC transmission line
Directly it is the free modularization lithium battery pack power supply；The integrated controller includes control circuit, switching on/off circuit and voltage
Acquisition Circuit；The voltage collection circuit is connect with the free modularization lithium battery pack, for monitoring the free modularization
The real-time voltage of lithium battery pack；One end of the switching on/off circuit is connect with the free modularization lithium battery pack, the start and stop electricity
The other end on road is connect with the generator, for controlling the generator start and stop；One end of the control circuit and the electricity
Press Acquisition Circuit connection, the voltage monitoring information for receiving voltage collection circuit feedback, the control circuit it is another
End is connect with the switching on/off circuit, for sending start and stop instruction to the switching on/off circuit.
Further, the free modularization lithium battery pack can be connect with interface is filled outside, carry out outer charging.
Further, the generator is fuel generator or photovoltaic generator.
Further, the line load is AC induction motor, permanent magnet synchronous motor or permanent magnetic brushless.
Further, the generator carries out determining power work, and output voltage is equal to the free Modularized lithium battery
The full piezoelectric voltage of packet.
Further, the output power of the generator is slightly larger than the rated power of the line load, and the power generation
The output power of machine is less than the maximum power of the line load.
Further, the free modularization lithium battery pack is formed by several with the free connection in series-parallel of lithium battery module.
Further, the lithium battery module includes that lithium battery group, battery energy management device and de- bridge-type bistable magnetic are protected
Hold relay；The lithium battery group is connected in series by several battery cores；There are one the inside of the battery energy management device includes
Master control chip and several balancers corresponding with the battery core quantity in the lithium battery group, the balancer
Be connected across the positive and negative end of the corresponding battery core respectively, each balancer by detection chip, equalizer switch and
Equalizing resistance is connected in series, and the Master control chip is connect with each detection chip respectively；The de- bridge-type bistable magnetic
The switch sections of guard relay are connected with the lithium battery group, the electromagnet portion of the de- bridge-type bistable magnetic latching relay
It is connect with the Master control chip.
Further, the de- bridge-type bistable magnetic latching relay includes a case, and the is provided in the case
One armature, the second armature, double-coil electromagnet, I-shaped magnet steel, the first magnet, the second magnet and bidirectional final switch；
The lower end of first armature is exposed to outside the case, and the upper end of first armature is provided with stationary contact；Institute
The lower end for stating the second armature is exposed to outside the case, and the upper end of second armature is provided with one piece of armature shrapnel；The rank
Movable contact is provided in the middle part of iron shrapnel, the movable contact is corresponding with the stationary contact, the lower end setting of the armature shrapnel
There is a connecting rod normal thereto；The middle part of the connecting rod is hinged there are one magnet steel fixed seat, and the I-shaped magnet steel setting exists
In the magnet steel fixed seat, first magnet and second magnet are located at the left and right two below the I-shaped magnet steel
Side；The double-coil electromagnet is located at the top of the I-shaped magnet steel, and the double-coil electromagnet includes a strip conductor,
The left and right ends of the strip conductor are wound with the first magnet exciting coil and the second magnet exciting coil respectively；First magnet exciting coil and
One end of second magnet exciting coil is drawn from the case respectively, first magnet exciting coil and second magnet exciting coil
The other end respectively with the bidirectional final switch in the first tie point and the second tie point connect；
Further include having third tie point, metal clips and driving lever in the bidirectional final switch, the metal clips is consolidated
Fixed end is connected on the third tie point, and the movable end of the metal clips can connect in first tie point and described second
It swings back and forth between contact；It is connected with conducting wire on the third tie point, and is drawn from the case；The fixation of the driving lever
End is connected to the middle part of the metal clips, and the movable end of the driving lever is directed at the end of the connecting rod by one piece of trigger shrapnel
End.
The de- bridge-type bistable magnetic latching relay may be at two different stable states, and operation principle is as follows：
When in the first stable state, the entirety of I-shaped magnet steel is tilted to the right, and lower right side is because of magnetic force and the second magnet
Contact, left lower detaches with the first magnet, and for left upper portion close to the left end of double-coil electromagnet, right upper portion is separate
The right end of double-coil electromagnet；
Connecting rod is in the left end of its direction of motion, and armature shrapnel is in and is pushed out state, and movable contact is bonded with stationary contact,
First armature is connected with the second armature；Meanwhile connecting rod end is detached with driving lever, metal clips is in multiple because of its own resilient characteristic
Position state, the i.e. movable end of metal clips are connect with the second tie point, and the first magnet exciting coil disconnects at this time, and the second magnet exciting coil
It connects, in waiting for working condition.
When in the second state, the entirety of I-shaped magnet steel is tilted to the left, and lower right side is detached with the second magnet,
Left lower is because magnetic force is contacted with the first magnet, left end of the left upper portion far from double-coil electromagnet, and right upper portion is close
The right end of double-coil electromagnet；
Connecting rod is in the right end of its direction of motion, and armature shrapnel is moved and touched because its own resilient characteristic is in reset state
Point is detached with stationary contact, and the first armature and the second armature disconnect；Meanwhile connecting rod end is contacted and is pressed with driving lever, metal clips
In the state that is pushed out, i.e. the movable end of metal clips connect point contact with second, and the first magnet exciting coil is connected at this time, in waiting for
Working condition, and the second magnet exciting coil disconnects.
When needing by the first regime shift to the second stable state, Master control chip control lithium battery group gives the second excitation wire
An exciting current is enclosed, the right end of double-coil electromagnet generates magnetic force, attracts the right upper portion of I-shaped magnet steel to be upturned, lean on
The right end of nearly double-coil electromagnet, and the lower right side of I-shaped magnet steel is then detached with the second magnet, while I-shaped magnet steel
Left upper portion is to whereabouts, the left end far from double-coil electromagnet, and the left lower of I-shaped magnet steel is contacted with the first magnet；So
Afterwards I-shaped magnet steel by magnet steel mounting base drive connecting rod move right, connecting rod then pulls armature shrapnel so that movable contact with
Stationary contact detaches, and the first armature and the second armature disconnect；Simultaneously, moving to right with connecting rod, the end of connecting rod are withstood two-way
The driving lever of microswitch simultaneously applies pressure, and driving lever then inwardly moves and the movable end of metal clips is pushed to be put from the second tie point
It moves to the first tie point so that the second magnet exciting coil disconnects, and the first magnet exciting coil is connected, and waits for regime shift next time.From
When two regime shifts to the first stable state, operation principle is then in contrast.
The operation principle of the battery energy management device is as follows：
Each detection chip in the battery manager carries out voltage real-time monitoring to respectively corresponding battery core respectively；
With the growth in charging time, the voltage of every battery core can be also gradually increasing in lithium battery group；When any one detection chip is supervised
When measuring the voltage of corresponding battery core higher than the balanced unlatching value set, which immediately turns on where its own
Balancer, the equalizer switch in the balancer are closed immediately, connect balanced circuit, the equalizing resistance in the balancer from
Electric current is equalized in corresponding battery core, equalizing resistance generates heat immediately, is carried out to corresponding battery core balanced；
When detection chip monitors that this overcharges the voltage of battery core less than setting equilibrium unlatching value, corresponding detection chip
The balancer where its own is immediately closed off, the equalizer switch in the balancer then turns off, balanced loop open circuit, this is
The equalizing resistance to weigh in device stops fever, and equilibrium finishes.
Core collector of the lithium battery module as hybrid power, it is necessary to have anti-instantaneous pressure, the energy of antisurge
Power, therefore its interior design has de- bridge-type bistable magnetic latching relay and battery energy management device.
De- bridge-type bistable magnetic latching relay designs for mechanical switch, can be overcharged to lithium battery module and mistake
Protection is put, distinctive magnetic keeps the trigger current for taking off bridge structure to belong to moment excitation, therefore need not excessively consider circuit
The phenomenon that overload capacity of bearing capacity and coil is not in coil heating in use, fundamentally solves traditional magnetic
The problem of high pressure and coil heating can not be born existing for guard relay.
Be designed with equalizing resistance in battery energy management device, can the electricity of lithium battery module be higher than 90% when, to its into
Row balancing energy, it is uncertain caused by normal equalizer means to avoid.Even if lithium battery module is in full power state, battery
Energy manager can also carry out the slow play electricity of 5 ~ 8 hours using equalizing resistance, ensure that the consistency of each battery core, it is ensured that lithium
Battery module is safe and reliable.
By the mutual cooperation for taking off bridge-type bistable magnetic latching relay and battery energy management device so that lithium battery module
It can not only realize the connection in series-parallel of free style, and be also equipped with anti-instantaneous pressure, antisurge, high current dynamic equilibrium, big work(
The ability of rate charge and discharge, this is the prerequisite that ensures this system and can implement.
Further, the free modularization lithium battery pack can also replace with super capacitor, since super capacitor has certainly
The characteristics of electric discharge, it is therefore desirable to switch is provided between super capacitor and engine.
The control method of the utility model Mild hybrid vehicle drive system used for vehicle, includes the following steps：
A, charging voltage is opened by the free modularization lithium battery pack of control circuit setting in integrated controller, described open is filled
Voltage, which may be set to the free modularization lithium battery pack, expires the 90% of piezoelectric voltage；
B, when this system is run, the electricity of voltage collection circuit in integrated controller to the free modularization lithium battery pack
Pressure is acquired in real time；
C, when the voltage collection circuit detects that the total voltage of the free modularization lithium battery pack is filled higher than described open
When voltage, generator does not work at this time, and electronic control unit only provides electricity by the free modularization lithium battery pack for line load
Power；
D, when the voltage collection circuit detects that the total voltage of the free modularization lithium battery pack is filled less than described open
When voltage, the voltage collection circuit is fed back to the control circuit immediately, comprehensive described in the control circuit instantaneous starting
Switching on/off circuit in hop controller, the switching on/off circuit are directly initiated described using the voltage of the free modularization lithium battery pack
Generator, the generator, which starts to do, at this time determines power generation, and the electronic control unit passes through the generator and the free module
Block lithium battery pack is powered for the line load simultaneously；
In the meantime, this system utilizes function of the high current possessed by the free modularization lithium battery pack from equilibrium,
Using the free modularization lithium battery pack as peak regulation body, pass through output power to the generator and the free modularization
The discharge capability of lithium battery pack carries out Dynamic Matching and is as follows with reaching the high potential dynamic equilibrium of whole system：
If vehicle is in heavy duty or unexpected acceleration mode, i.e., the current power of the described line load is more than the generator
When output power, the output power of the generator is not enough to support the electricity consumption of the line load, then the free modularization
The characteristic that lithium battery pack utilizes DC voltage preferential immediately carries out electric power compensation to the line load, described dynamic to meet
The current power demand of power load；
If vehicle is in underloading or at the uniform velocity transport condition, i.e., the current power of the described line load is less than the generator
When output power, the output power of the generator is enough to support the electricity consumption of the line load, and also there are having more than needed, then in institute
State generator and the free modularization lithium battery pack jointly be the line load power supply while, the generator utilize its
Power margin is that the free modularization lithium battery pack carries out mending electricity；
E, when to detect that the voltage of the free modularization lithium battery pack has added to described for the voltage collection circuit
When full piezoelectric voltage, the voltage collection circuit is fed back to the control circuit immediately, and the control circuit starts institute immediately
Switching on/off circuit is stated, the switching on/off circuit shuts down the generator, stops as the line load and the free modularization lithium
Battery pack is powered, and the electronic control unit is only individually for the line load by the free modularization lithium battery pack and powers；
F, when vehicle is in off position, the free modularization lithium battery pack can be external by filling interface progress outside
Charging, until the free modularization lithium battery pack reaches full piezoelectric voltage；
G, when the free modularization lithium battery pack is in the state of generator charging or external charge, the free module
The battery energy management device of each lithium battery module is respectively to corresponding lithium battery group into Mobile state in block lithium battery pack
It is balanced and overcharge protection, it is as follows：
It is real-time that each detection chip in the battery energy management device carries out voltage to respectively corresponding battery core respectively
Monitoring, when balanced unlatching value of the voltage of any one Zhi Suoshu battery cores higher than setting, the corresponding detection chip is at once
The balancer where its own is opened, the equalizer switch in this balancer is closed immediately, connects balanced circuit, should
The equalizing resistance in a balancer is equalized electric current from the corresponding battery core and generates heat immediately, to correspondence
The battery core carry out it is balanced；
If the balancer can not inhibit the battery core voltage to continue to rise, and the battery core overcharged when the branch
For voltage higher than setting when overcharging protection value, the Master control chip in the battery energy management device gives the free module at once
Change the de- bridge-type bistable magnetic latching relay in lithium battery pack and send break signal, the lithium battery group gives the de- bridge immediately
Formula bistable magnetic latching relay discharges an exciting current, and the main contacts of the de- bridge-type bistable magnetic latching relay is immediately
Bridge is disconnected and takes off, into stable state, charge circuit open circuit is disconnected, the lithium battery group stops charging, while the balanced dress
It sets and continues equilibrium；
With the lasting progress for stopping charging post-equalization, when the voltage of the battery core overcharged is less than the balanced unlatching value of setting
When, the corresponding detection chip immediately closes off the balancer where its own, in this balancer
The equalizer switch then turns off, balanced loop open circuit, and the equalizing resistance in this balancer stops fever,
Weighing apparatus finishes；Meanwhile the Master control chip gives the de- bridge-type bistable relay to send closure signal, the lithium battery at once
Group gives the de- bridge-type bistable magnetic latching relay to discharge a reverse energization electric current immediately, and the de- bridge-type bistable magnetic is protected
The main contacts for holding relay is closed immediately and de- bridge, and into stable state is closed, charge circuit is connected, and the lithium battery group is restored
Charging；
H, each in the free modularization lithium battery pack when the free modularization lithium battery pack is in discharge condition
The battery energy management device of lithium battery module carries out Cross prevention to corresponding lithium battery group respectively, specific to walk
It is rapid as follows：
Each of the battery energy management device detection chip respectively carries out the respectively corresponding battery core
Voltage real-time monitoring, when Cross prevention value of the voltage of any one Zhi Suoshu battery cores less than setting, the battery energy management
The Master control chip in device gives the de- bridge-type bistable magnetic latching relay to send break signal, the lithium battery at once
Group gives the de- bridge-type bistable magnetic latching relay to discharge an exciting current immediately, and the de- bridge-type bistable magnetic is protected
The main contacts for holding relay then turns off and takes off bridge, and into stable state, discharge loop open circuit is disconnected, the lithium battery group stops
Electric discharge.
Compared with prior art, the utility model has the beneficial effects that：
1, the innovative point of the utility model is that the energy for exporting generator is connected directly between the direct current mother of line load
On line, and the charge circuit of lithium battery pack is connected, constitutes most simple directly energy self-balancing system, be provided simultaneously with external output
The ability of variable power.The system uses total voltage SOC methods, the characteristic that DC voltage is preferential is made full use of, by free module
Change lithium battery pack as peak regulation body, passes through the discharge capability progress of output power and free modularization lithium battery pack to generator
Dynamic Matching, to reach the high potential dynamic equilibrium of whole system.When the output power of generator is not enough to support line load
When, this system is discharged jointly by DC bus and generator, is formed double dynamical；When the output power of generator completely may be used
When meeting line load, electricity more than needed is directly filled with lithium battery module by DC bus.Under this design pattern, power generation
Machine will carry out determining power generation output with peak efficiency.By taking gasoline engine generator as an example, the gasoline power generation under power output state is determined
Machine, burning and exhausting only have 1/3 under Variable power state, can substantially Energy Saving.
2, de- bridge-type bistable magnetic latching relay and battery energy are designed with simultaneously in the lithium battery module of the utility model
Manager is measured, lithium battery group is protected by the way of multigroup conjunction collaboration so that lithium battery group forms unique module
Electrochemical cell manages system.Wherein, de- bridge-type bistable magnetic latching relay uses mechanical switch and pacifies to dynamic lithium battery
The problems such as full protection, high pressure can not be born by solving traditional thyristor, surge.Equilibrium is used in battery energy management device
Resistance carries out balancing energy to lithium battery module, converts the electricity that battery core is overcharged in lithium battery module to the heat of equalizing resistance
Can, solve the consistency problem of battery core inside lithium battery group.The combination of the two directly improves the work of lithium battery module
Ability, anti-high pressure ability and Surge handling capability make it have high current dynamic equalization ability, it can be achieved that free connection in series-parallel, and
Directly bear the charging of 2C.
3, the battery energy management device that the utility model uses can pass through 5 ~ 8 in the case of lithium battery module full electricity
Battery core in lithium battery module is carried out equilibrium by the slow play electricity of hour, its electricity is made to be restored to the 80% ~ 90% of full piezoelectric voltage, it is ensured that
The consistency of lithium battery module so that lithium battery module can be with 8 ~ 10 years service life.
4, the de- bridge-type bistable magnetic latching relay that the utility model uses only needs very little when two stable states switch
Exciting current, need not continue the electricity in consumption lithium battery group, the stable state of guard relay, which is then leaned on, takes off bridge to realize,
To ensure that there is no energy expenditures when lithium battery group carries out Cross prevention.
5, the design of the utility model cleverly uses the battery of medium volume between HEv systems and Phev systems
The generator of packet and medium volume, simple in structure, performance is stablized, and lasts a long time, and cost is again relatively low, and it is straight to have power generation
Drive formula is mixed dynamic, three big feature of dynamic equalization mathematical model and self adaptive control, especially suitable for such as electro-tricycle, low speed four-wheel
Small-sized low-speed vehicle including vehicle and battery-operated motor cycle can also apply the multi source contribution system without power grid area in the wild
System.
6, since the utility model has deliberately pulled open balanced range in control method, in addition to free modularization lithium electricity
Chi Bao（Lithium battery）Outside, the utility model can also receive super capacitor as peak regulation body, can apply in electric vehicle or
On electronic bus.Since super capacitor has the characteristics that self discharge, in order to maintain effectively to work, need in super capacitor and
It is linked by switch between generator, the switch can be then the initiation key of these vehicles.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is the overall system structure schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of free modularization lithium battery pack in the utility model；
Fig. 3 is the structural schematic diagram of lithium battery module in the utility model；
Fig. 4 is that the internal structure signal of bridge-type bistable magnetic latching relay in the closure state is taken off in the utility model
Figure；
Fig. 5 is the internal structure signal taken off in the utility model when bridge-type bistable magnetic latching relay is off
Figure；
Fig. 6 is the double-coil electromagnet and bidirectional final switch that bridge-type bistable magnetic latching relay is taken off in the utility model
Annexation figure.
Specific implementation mode
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
It is shown in Figure 1, a kind of Mild hybrid vehicle drive system used for vehicle, by generator 1, free modularization lithium
Battery pack 2, electronic control unit 3, line load 4, integrated controller 5 are constituted；The generator 1 and the free Modularized lithium battery
Packet 2 is directly connect with the electronic control unit 3 by DC transmission line respectively, and the electronic control unit 3 connects with the line load 4
It connects, the generator 1 and the free modularization lithium battery pack 2 can be supplied by the electronic control unit 3 for the line load 4
Electricity；The generator 1 directly can be that the free modularization lithium battery pack 2 is powered by DC transmission line；The Comprehensive Control
Device 5 includes control circuit 6, switching on/off circuit 7 and voltage collection circuit 8；The voltage collection circuit 8 and the free modularization
Lithium battery pack 2 connects, the real-time voltage for monitoring the free modularization lithium battery pack 2；One end of the switching on/off circuit 7 with
The free modularization lithium battery pack 2 connects, and the other end of the switching on/off circuit 7 is connect with the generator 1, for controlling
State 1 start and stop of generator；One end of the control circuit 6 is connect with the voltage collection circuit 8, for receiving the voltage acquisition
The voltage monitoring information that circuit 8 is fed back, the other end of the control circuit 6 is connect with the switching on/off circuit 7, for being opened to described
Power failure road 7 sends start and stop instruction.
Further, the free modularization lithium battery pack 2 can be connect with interface 9 is filled outside, carry out outer charging.
Further, the generator 1 is fuel generator or photovoltaic generator.
Further, the line load 4 is AC induction motor, permanent magnet synchronous motor or permanent magnetic brushless.
Further, the generator 1 carries out determining power work, and output voltage is equal to the free Modularized lithium battery
The full piezoelectric voltage of packet 2.
Further, the output power of the generator 1 is slightly larger than the rated power of the line load 4, and the hair
The output power of motor 1 is less than the maximum power of the line load 4.
Further, shown in Figure 2, the free modularization lithium battery pack 2 has the function of balancing energy by several
The free connection in series-parallel of lithium battery module form.
Further, shown in Figure 3, the lithium battery module includes lithium battery group 21,23 and of battery energy management device
De- bridge-type bistable magnetic latching relay 22；The lithium battery group 21 is connected in series by several battery cores 211；The energy content of battery
The inside of manager 23 includes that there are one Master control chip 231 and several and the battery cores 211 in the lithium battery group 21
The corresponding balancer of quantity, each balancer is by detection chip 232, equalizer switch 233 and equalizing resistance 234
It is connected in series, each balancer is connected across the positive and negative end of the corresponding battery core 211, the master control coremaking respectively
Piece 231 is connect with each detection chip 232 respectively；The switch sections of the de- bridge-type bistable magnetic latching relay 22 with
The lithium battery group 21 is connected, electromagnet portion and the Master control chip of the de- bridge-type bistable magnetic latching relay 22
231 connections.
Further, referring to shown in Fig. 4-6, the de- bridge-type bistable magnetic latching relay 22 includes a case
2213, the first armature 221, the second armature 222, double-coil electromagnet 223, I-shaped magnet steel are provided in the case 2213
224, the first magnet 225, the second magnet 226 and bidirectional final switch 227；
The lower end of first armature 221 is exposed to outside the case 2213, and the upper end of first armature 221 is provided with
Stationary contact 228；The lower end of second armature 222 is exposed to outside the case 2213, the upper end setting of second armature 222
There is one piece of armature shrapnel 229；The middle part of the armature shrapnel 229 is provided with movable contact 2210, the movable contact 2210 with it is described
Stationary contact 228 is corresponding, and the lower end of the armature shrapnel 229 is provided with a connecting rod 2211 normal thereto；The connecting rod
2211 middle part is hinged there are one magnet steel fixed seat 2212, and the I-shaped magnet steel 224 is arranged in the magnet steel fixed seat 2212
In, first magnet 225 and second magnet 226 are located at the left and right sides below the I-shaped magnet steel 224；Institute
The top that double-coil electromagnet 223 is located at the I-shaped magnet steel 224 is stated, the double-coil electromagnet 223 includes a bar shaped
The left and right ends of conductor, the strip conductor are wound with the first magnet exciting coil and the second magnet exciting coil respectively；First excitation
One end of coil and second magnet exciting coil is drawn from the case 2213 respectively, first magnet exciting coil and described
The other end of two magnet exciting coils respectively with the first tie point 2271 and the second tie point 2272 in the bidirectional final switch 227
Connection；
Further include having third tie point 2273, metal clips 2274 and driving lever 2275, institute in the bidirectional final switch 227
The fixing end for stating metal clips 2274 is connected on the third tie point 2273, and the movable end of the metal clips 2274 can be
It swings back and forth between first tie point 2271 and second tie point 2272；It is connected on the third tie point 2273
Conducting wire, and drawn from the case 2213；The fixing end of the driving lever 2275 is connected to the middle part of the metal clips 2274,
The movable end of the driving lever 2275 is directed at the end of the connecting rod 2211 by one piece of trigger shrapnel 2214.
Further, the packet of free Modularized lithium battery 2 can also replace with super capacitor, since super capacitor has certainly
The characteristics of electric discharge, it is therefore desirable to switch is provided between super capacitor and engine
The control method of the utility model Mild hybrid vehicle drive system used for vehicle, includes the following steps：
A, the charging voltage that opens of free modularization lithium battery pack 2 is set by the control circuit 6 in integrated controller 5, it is described
Opening charging voltage and may be set to the free modularization lithium battery pack 2 expires the 90% of piezoelectric voltage；
B, when this system is run, the voltage collection circuit 8 in integrated controller 5 is to the free modularization lithium battery pack 2
Voltage acquired in real time；
C, when the voltage collection circuit 8 detects that the total voltage of the free modularization lithium battery pack 2 is opened higher than described
When charging voltage, generator 1 does not work at this time, and electronic control unit 3 is only line load 4 by the free modularization lithium battery pack 2
Electric power is provided；
D, when the voltage collection circuit 8 detects that the total voltage of the free modularization lithium battery pack 2 is opened less than described
When charging voltage, the voltage collection circuit 8 is fed back to the control circuit 6 immediately, 6 instantaneous starting institute of the control circuit
The switching on/off circuit 7 in integrated controller 5 is stated, the switching on/off circuit 7 is direct using the voltage of the free modularization lithium battery pack 2
Start the generator 1, the generator 1, which starts to do, at this time determines power generation, and the electronic control unit 3 passes through the generator 1
It powers simultaneously for the line load 4 with the free modularization lithium battery pack 2；
In the meantime, this system utilizes function of the high current possessed by the free modularization lithium battery pack 2 from equilibrium,
It regard the free modularization lithium battery pack 2 as peak regulation body, passes through output power to the generator 1 and the free module
The discharge capability progress Dynamic Matching for changing lithium battery pack 2 is as follows with reaching the dynamic equilibrium of whole system：
If vehicle is in heavy duty or unexpected acceleration mode, i.e. the current power of the line load 4 is more than the generator 1
Output power when, the output power of the generator 1 is not enough to support the electricity consumption of the line load 4, then the free module
The characteristic that block lithium battery pack 2 utilizes DC voltage preferential immediately carries out electric power compensation to the line load 4, to meet
The current power demand of the line load 4；
If vehicle is in underloading or at the uniform velocity transport condition, i.e. the current power of the line load 4 is less than the generator 1
Output power when, the output power of the generator 1 is enough to support the electricity consumption of the line load 4, and also there are more than needed, then
While the generator 1 and the free modularization lithium battery pack 2 are that the line load 4 is powered jointly, the power generation
Machine 1 is that the free modularization lithium battery pack 2 carries out mending electricity using its power margin；
E, when the voltage collection circuit 8 detects that the voltage of the free modularization lithium battery pack 2 has added to institute
When stating full piezoelectric voltage, the voltage collection circuit 8 is fed back to the control circuit 6 immediately, and the control circuit 6 opens immediately
The dynamic switching on/off circuit 7, the switching on/off circuit 7 are shut down the generator 1, are stopped as the line load 4 and the freedom
Modularized lithium battery packet 2 is powered, and the electronic control unit 3 is only individually for the power by the free modularization lithium battery pack 2
4 power supply of load；
F, when vehicle is in off position, the free modularization lithium battery pack 2 can be carried out outside by filling interface 9 outside
Charging is connect, until the free modularization lithium battery pack 2 reaches full piezoelectric voltage；
G, when the free modularization lithium battery pack 2 is in the state of generator charging or external charge, the freedom
In Modularized lithium battery packet 2 the battery energy management device 23 of each lithium battery module respectively to corresponding lithium battery group 21 into
Mobile state equilibrium and protection is overcharged, is as follows：
Each detection chip 232 in the battery energy management device 23 respectively carries out respectively corresponding battery core 211
Voltage real-time monitoring, when balanced unlatching value of the voltage of any one Zhi Suoshu battery cores 211 higher than setting, the corresponding inspection
It surveys chip 232 and immediately turns on the balancer where its own, the equalizer switch 233 in this balancer closes immediately
It closes, connects balanced circuit, the equalizing resistance 234 in this balancer is obtained from the corresponding battery core 211
Euqalizing current simultaneously generates heat immediately, and equilibrium is carried out to the corresponding battery core 211；
If the balancer can not inhibit the battery core 211 voltage to continue to rise, and the electricity overcharged when the branch
The voltage of core 211 higher than setting when overcharging protection value, give at once by the Master control chip 231 in the battery energy management device 23
De- bridge-type bistable magnetic latching relay 22 in the free modularization lithium battery pack 2 sends break signal, the lithium battery
Group 21 gives the de- bridge-type bistable magnetic latching relay 22 to discharge an exciting current immediately, and the de- bridge-type bistable magnetic is protected
The main contacts for holding relay 22 then turns off and takes off bridge, and into stable state is disconnected, charge circuit is breaking, the lithium battery group 21
Stop charging, while the balancer continues equilibrium；
With the lasting progress for stopping charging post-equalization, when the voltage of the battery core 211 overcharged is opened less than setting equilibrium
When opening value, the corresponding detection chip 232 immediately closes off the balancer where its own, in this balancer
Equalizer switch 233 then turn off, balanced loop open circuit, the equalizing resistance 234 in this balancer stops hair
Heat, equilibrium finish；Meanwhile the Master control chip 231 gives the de- bridge-type bistable relay 22 to send closure signal at once,
The lithium battery group 21 gives the de- bridge-type bistable magnetic latching relay 22 to discharge a reverse energization electric current immediately, described de-
The main contacts of bridge-type bistable magnetic latching relay 22 is closed immediately and de- bridge, and into stable state is closed, charge circuit is connected,
The lithium battery group 21 restores charging；
H, each in the free modularization lithium battery pack 2 when the free modularization lithium battery pack 2 is in discharge condition
The battery energy management device 23 of a lithium battery module carries out Cross prevention to corresponding lithium battery group 21 respectively,
It is as follows：
Each of battery energy management device 23 detection chip 232 is stated respectively to the respectively corresponding battery core
211 carry out voltage real-time monitoring, when Cross prevention value of the voltage of any one Zhi Suoshu battery cores 211 less than setting, the electricity
It is disconnected that the Master control chip 231 in pond energy manager 23 gives the de- bridge-type bistable magnetic latching relay 22 to send at once
Road signal, the lithium battery group 21 give the de- bridge-type bistable magnetic latching relay 22 to discharge an exciting current, institute immediately
The main contacts for stating the de- bridge-type bistable magnetic latching relay 22 then turns off and takes off bridge, into stable state is disconnected, discharges
Loop open circuit, the lithium battery group 21 stop electric discharge.
Actual test proves that the three-wheel traction engine of Same Efficieney is economized on using the technology of the utility model than fuel vehicle
Oil 50%.It is crucial that the free modularization lithium battery pack electricity that this system uses is smaller so that the hardware cost of this system
Less than traditional combustion engine, but the service life is approximately equal to internal combustion engine, this is that always do not have in all new energy vehicles in the current whole world
The thing occurred has great promotional value.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of Mild hybrid vehicle drive system used for vehicle, it is characterised in that：By generator（1）, free modularization lithium
Battery pack（2）, electronic control unit（3）, line load（4）, integrated controller（5）It constitutes；The generator（1）With the free module
Block lithium battery pack（2）Respectively by DC transmission line directly with the electronic control unit（3）Connection, the electronic control unit（3）With
The line load（4）Connection, the generator（1）With the free modularization lithium battery pack（2）The automatically controlled list can be passed through
Member（3）For the line load（4）Power supply；The generator（1）Can directly be the free modularization by DC transmission line
Lithium battery pack（2）Power supply；The integrated controller（5）It include control circuit（6）, switching on/off circuit（7）And voltage collection circuit
（8）；The voltage collection circuit（8）With the free modularization lithium battery pack（2）Connection, for monitoring the free modularization
Lithium battery pack（2）Real-time voltage；The switching on/off circuit（7）One end and the free modularization lithium battery pack（2）Connection, institute
State switching on/off circuit（7）The other end and the generator（1）Connection, for controlling the generator（1）Start and stop；The control electricity
Road（6）One end and the voltage collection circuit（8）Connection, for receiving the voltage collection circuit（8）The voltage of feedback is supervised
Measurement information, the control circuit（6）The other end and the switching on/off circuit（7）Connection is used for the switching on/off circuit（7）It sends
Start and stop instruct.
2. Mild hybrid vehicle drive system used for vehicle according to claim 1, it is characterised in that：The free module
Block lithium battery pack（2）With fill interface outside（9）Connection carries out outer charging.
3. Mild hybrid vehicle drive system used for vehicle according to claim 1, it is characterised in that：The generator
（1）For fuel generator or photovoltaic generator.
4. Mild hybrid vehicle drive system used for vehicle according to claim 1, it is characterised in that：The power is negative
It carries（4）For AC induction motor, permanent magnet synchronous motor or permanent magnetic brushless.
5. Mild hybrid vehicle drive system used for vehicle according to claim 1, it is characterised in that：The generator
（1）It carries out determining power work, output voltage is equal to the free modularization lithium battery pack（2）Full piezoelectric voltage.
6. Mild hybrid vehicle drive system used for vehicle according to claim 1, it is characterised in that：The generator
（1）Output power be slightly larger than the line load（4）Rated power, and the generator（1）Output power be less than institute
State line load（4）Maximum power.
7. Mild hybrid vehicle drive system used for vehicle according to claim 1, it is characterised in that：The free module
Block lithium battery pack（2）It is formed by several free connection in series-parallel of lithium battery module with balancing energy function.
8. Mild hybrid vehicle drive system used for vehicle according to claim 7, it is characterised in that：The lithium battery
Module includes lithium battery group（21）, battery energy management device（23）With de- bridge-type bistable magnetic latching relay（22）；The lithium
Battery pack（21）By several battery cores（211）It is connected in series；The battery energy management device（23）Inside include that there are one main
Control chip（231）With several and the lithium battery group（21）The interior battery core（211）The corresponding balancer of quantity,
Each balancer is by detection chip（232）, equalizer switch（233）And equalizing resistance（234）It is connected in series, Mei Gesuo
It states balancer and is connected across the corresponding battery core respectively（211）Positive and negative end, the Master control chip（231）Respectively with
Each detection chip（232）Connection；The de- bridge-type bistable magnetic latching relay（22）Switch sections and the lithium
Battery pack（21）Series connection, the de- bridge-type bistable magnetic latching relay（22）Electromagnet portion and the Master control chip
（231）Connection.
9. Mild hybrid vehicle drive system used for vehicle according to claim 8, it is characterised in that：The de- bridge-type
Bistable magnetic latching relay（22）Including a case（2213）, the case（2213）Inside it is provided with the first armature（221）、
Second armature（222）, double-coil electromagnet（223）, I-shaped magnet steel（224）, the first magnet（225）, the second magnet（226）With
Bidirectional final switchs（227）；
First armature（221）Lower end be exposed to the case（2213）Outside, first armature（221）Upper end setting
There is stationary contact（228）；Second armature（222）Lower end be exposed to the case（2213）Outside, second armature（222）
Upper end be provided with one piece of armature shrapnel（229）；The armature shrapnel（229）Middle part be provided with movable contact（2210）, described
Movable contact（2210）With the stationary contact（228）It is corresponding, the armature shrapnel（229）Lower end be provided with one it is normal thereto
Connecting rod（2211）；The connecting rod（2211）Hinged there are one magnet steel fixed seats at middle part（2212）, the I-shaped magnet steel
（224）It is arranged in the magnet steel fixed seat（2212）In, first magnet（225）With second magnet（226）Position respectively
In the I-shaped magnet steel（224）The left and right sides of lower section；The double-coil electromagnet（223）Positioned at the I-shaped magnet steel
（224）Top, the double-coil electromagnet（223）Including a strip conductor, the left and right ends of the strip conductor are distinguished
It is wound with the first magnet exciting coil and the second magnet exciting coil；Distinguish one end of first magnet exciting coil and second magnet exciting coil
From the case（2213）The other end of middle extraction, first magnet exciting coil and second magnet exciting coil respectively with it is described double
To microswitch（227）In the first tie point（2271）With the second tie point（2272）Connection；
The bidirectional final switch（227）In further include having third tie point（2273）, metal clips（2274）And driving lever
（2275）, the metal clips（2274）Fixing end be connected to the third tie point（2273）On, the metal clips
（2274）Movable end can be in first tie point（2271）With second tie point（2272）Between swing back and forth；It is described
Third tie point（2273）On be connected with conducting wire, and from the case（2213）Middle extraction；The driving lever（2275）Fixing end
It is connected to the metal clips（2274）Middle part, the driving lever（2275）Movable end pass through one piece of trigger shrapnel（2214）It is right
The accurate connecting rod（2211）End.
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| CN201820148444.3U CN207825955U (en) | 2018-01-29 | 2018-01-29 | A kind of Mild hybrid vehicle drive system used for vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382214A (en) * | 2018-01-29 | 2018-08-10 | 樊朝晖 | A kind of Mild hybrid vehicle drive system used for vehicle and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382214A (en) * | 2018-01-29 | 2018-08-10 | 樊朝晖 | A kind of Mild hybrid vehicle drive system used for vehicle and control method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhiyi New Energy Development Co.,Ltd. Assignor: Fan Chaohui Contract record no.: X2021990000816 Denomination of utility model: Medium hybrid drive system for vehicle Granted publication date: 20180907 License type: Exclusive License Record date: 20211224 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220324 Address after: 215413 room R07, third floor, building 3, No. 36, Dalian East Road, Taicang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Zhiyi new energy power system Co.,Ltd. Address before: Room 406, building 2, xinshengxinyuan, Huqiu District, Suzhou City, Jiangsu Province Patentee before: Fan Chaohui |