CN109515209A - A kind of new-energy automobile electric-control system - Google Patents
A kind of new-energy automobile electric-control system Download PDFInfo
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- CN109515209A CN109515209A CN201811213977.6A CN201811213977A CN109515209A CN 109515209 A CN109515209 A CN 109515209A CN 201811213977 A CN201811213977 A CN 201811213977A CN 109515209 A CN109515209 A CN 109515209A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- 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
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of new-energy automobile electric-control systems, including power module and the control module being connect with power module, inversion drive module, overcurrent protection module, reversal protection module and overheat protector module, the power module is used to provide electric energy required when control circuit and motor work, multidate information collected and control instruction is issued according to information processing result when the control module is for analyzing processing motor work, conversion of the inversion drive module for direct current to alternating current, the overcurrent protection module is for protecting motor to prevent overcurrent at work, the reversal protection module when motor being protected to work for preventing to rotate backward, the overheat protector module is excessively high for protecting motor to prevent temperature at work, the present invention does not extend new-energy automobile driving motor only effectively Service life, while electric energy can also be converted by kinetic energy when braking and stored, it is green, safe and environment-friendly.
Description
Technical field
The present invention relates to new-energy automobile field more particularly to a kind of new-energy automobile electric-control systems.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel,
Using new vehicle-mounted power plant), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle elder generation of formation
Into, the automobile with new technology, new construction.New-energy automobile includes pure electric automobile, stroke-increasing electric automobile, hybrid power vapour
Vehicle, fuel cell electric vehicle, hydrogen engine automobile, other new-energy automobiles etc..
Kernel driver part of the motor as new-energy automobile plays an important role in new-energy automobile manufacture.
Compared with other kinds of motor, the biggest advantage is to power density with higher and torque are close for permanent magnet synchronous motor
Degree, compared to other kinds of motor, under phase homogenous quantities and volume, permanent magnet synchronous motor can provide most for new-energy automobile
Big power output and acceleration.This is also to require high new-energy automobile industry, permanent magnet synchronous electric to space and self weight
The main reason for machine is as first choice.
But using permanent magnet synchronous motor, as new-energy automobile driving motor, there is also certain disadvantage, permanent-magnet synchronous
Permanent-magnet material on rotor can generate the phenomenon that magnetic fails under conditions of high temperature, vibration and overcurrent, so that motor is easy
It is damaged, at this moment just needs to improve the circuit control system of permanent magnet synchronous motor.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of new-energy automobile electric-control system, the present invention is not extended only effectively
The service life of new-energy automobile driving motor, while electric energy can also be converted by kinetic energy when braking and stored, green,
It is safe and environment-friendly, the problem of background technique proposes can be efficiently solved.
In order to solve the problem above-mentioned, the present invention proposes a kind of new-energy automobile electric-control system, including power module and
Control module, inversion drive module, overcurrent protection module, reversal protection module and the overheat protector mould being connect with power module
Block, the inversion drive module, overcurrent protection module, reversal protection module and overheat protector module connect with control module
It connects；
The power module is used to provide electric energy required when control circuit and motor work, and the control module is for analyzing
Multidate information collected and control instruction is issued according to information processing result when handling motor work, the inversion drives mould
Conversion of the block for direct current to alternating current, the overcurrent protection module are used to that motor to be protected to prevent overcurrent at work,
The reversal protection module when motor being protected to work for preventing to rotate backward, and the overheat protector module is for protecting electricity
It is excessively high that machine prevents temperature at work.
Further improvement lies in that: the power module carries out the storage and supply of electric energy using lithium battery.
Further improvement lies in that: the control module include microcontroller and the memory being electrically connected with microcontroller,
Analog-digital converter and input/output port.
Further improvement lies in that: the inversion drive module includes full bridge inverter and inverter control circuit, described complete
Bridge inverter circuit input terminal is electrically connected with power module, and the full bridge inverter control terminal is electrically connected with inverter control circuit,
The input terminal of the inverter control circuit is connect with input/output port
Further improvement lies in that: the overcurrent protection module includes current collection circuit, voltage comparator circuit and reference voltage
Adjust circuit, the current collection circuit and reference voltage adjust the output end of circuit with the input terminal of voltage comparator circuit
Electrical connection, the output end of the voltage comparator circuit are electrically connected with analog-digital converter.
Further improvement lies in that: the reversal protection module includes the motor steering Acquisition Circuit and Zero-cross comparator of electrical connection
Circuit, the Zero-cross comparator circuit output end are electrically connected with input/output port.
Further improvement lies in that: the overheat protector module includes temperature collection circuit and connect with temperature collection circuit
Adjusting comparison circuit, the adjusting comparison circuit output end is electrically connected with input/output port.
Further improvement lies in that: brake power generating module, the brake power generating module are also connected on the input/output port
Braking signal collection circuit, generation control circuit and power generation execution circuit, the brake signal including being sequentially connected electrically are adopted
Collection module is electrically connected with input/output port.
The invention has the benefit that
(1) reversal protection module can take brake measure to automobile in real time, prevent from driving in the insufficient situation of automobile power
Motor takes a turn for the worse in the case where being short of power, and not only avoids automobile and slips after occurring due to bring danger, while also
Effect prevents motor to burn；
(2) in Motor Vehicle Braking Procedure, kinetic energy when being braked new-energy automobile by energy conversion converts brake power generating module
It is stored for electric energy, automobile brake speed is reduced with this, not only reduces the mechanical wear of new-energy automobile brake system,
Kinetic energy when can also brake simultaneously to new-energy automobile is effectively recycled, environmentally protective.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Wherein: 1- power module；2- control module；3- inversion drive module；4- overcurrent protection module；5- reversal protection mould
Block；6- overheat protector module；7- microcontroller；8- memory；9- analog-digital converter；10- input/output port；11- full-bridge inverting
Circuit；12- inverter control circuit；13- current collection circuit；14- voltage comparator circuit；15- reference voltage adjusts circuit；16-
Motor steering Acquisition Circuit；17- Zero-cross comparator circuit；18- temperature collection circuit；19- adjusts comparison circuit；20- brake power generating
Module；21- braking signal collection circuit；22- generation control circuit；23- power generation execution circuit.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
According to Fig. 1, the present embodiment proposes a kind of new-energy automobile electric-control system, including power module 1 and with
Control module 2, inversion drive module 3, overcurrent protection module 4, reversal protection module 5 and the excess temperature that power module 1 connects are protected
Protect module 6, the inversion drive module 3, overcurrent protection module 4, reversal protection module 5 and overheat protector module 6 with control
Molding block 2 connects；
The power module 1 is used to provide electric energy required when control circuit and motor work, and the control module 2 is for dividing
Multidate information collected and control instruction, the inversion driving are issued according to information processing result when analysis processing motor work
Conversion of the module 3 for direct current to alternating current, the overcurrent protection module 4 is for protecting motor to prevent at work
Stream, for preventing to rotate backward when motor being protected to work, the overheat protector module 6 is used for the reversal protection module 5
It is excessively high that protection motor prevents temperature at work.
The power module 1 carries out the storage and supply of electric energy using lithium battery.
The control module 2 includes microcontroller 7 and the memory 8, the analog-digital converter 9 that are electrically connected with microcontroller 7
And input/output port 10, microcontroller 7 be used for the information of acquisition is handled and is analyzed and according to the result of analysis send out
Corresponding instruction carries out the control of automobile out, and memory 8 measures number in the storage and car running process for programming information
According to storage, analog-digital converter 9 is used for conversion of the analog quantity to digital quantity, obtains the digital quantity that can identify of microcontroller 7 and believe
Breath, input/output port 10 is for obtaining metrical information and sending control information.
The inversion drive module 3 includes full bridge inverter 11 and inverter control circuit 12, the full bridge inverter
11 input terminals are electrically connected with power module 1, and 11 control terminal of full bridge inverter is electrically connected with inverter control circuit 12, described
The input terminal of inverter control circuit 12 is connect with input/output port 10, the direct current that inversion drive module 3 will store on lithium battery
Alternating current needed for being converted into driving motor drives when microcontroller 7 is sent by input/output port 10 to inverter control circuit 12
When dynamic motor action signal, inverter control circuit 12 drives full bridge inverter 11 to carry out DC-AC conversion, the alternating current after conversion
Drive driving motor operating.
The overcurrent protection module 4 includes that current collection circuit 13, voltage comparator circuit 14 and reference voltage adjust electricity
Road 15, the current collection circuit 13 and reference voltage adjust input of the output end of circuit 15 with voltage comparator circuit 14
End electrical connection, the output end of the voltage comparator circuit 14 are electrically connected with analog-digital converter 9, and overcurrent protection module 4 is for preventing
Driving motor coil working electric current is excessive and enameled wire is caused to burn, while the magnetic for also preventing permanent magnet in driving motor declines
It moves back, extends the service life of driving motor.
The specific protection mechanism of overcurrent protection module 4 are as follows: during driving motor work, current collection circuit 13 is real
When acquire driving motor coil operating current, collect current signal and be converted into voltage signal and be transported to voltage comparator circuit
On 14, the voltage signal for acquiring conversion is compared with the safe voltage signal adjusted of voltage regulator circuit 15, when acquisition turns
When the voltage signal of change is greater than safe voltage signal, voltage comparator circuit 14 exports high level, occurs overcurrent, control module at this time
After 2 got stream information, control driving motor stops working；
When the voltage signal of acquisition conversion is less than safe voltage signal, voltage comparator circuit 14 exports low level, does not go out at this time
Existing overcurrent, driving motor work normally.
The reversal protection module 5 includes the motor steering Acquisition Circuit 16 and Zero-cross comparator circuit 17 of electrical connection, described
17 output end of Zero-cross comparator circuit is electrically connected with input/output port 10.Reversal protection module 5 can be in the insufficient feelings of automobile power
It under condition, prevents driving motor from taking a turn for the worse, effectively avoids motor and burn.
The specific protection mechanism of reversal protection module 5 are as follows: when automobile in the process of moving, motor steering Acquisition Circuit 16 is real
When obtain driving motor turn signal, when driving motor takes a turn for the worse, the reverse negative voltage signal of driving motor passed through
Zero balancing circuit 17 simultaneously exports negative level, and after control module 2 obtains reverse negative level, control driving motor stops working and adopts
Brake operating is taken, is slipped after preventing automobile from occurring.
The overheat protector module 6 is including temperature collection circuit 18 and compared with the adjusting that temperature collection circuit 18 connects
Circuit 19,19 output end of adjusting comparison circuit are electrically connected with input/output port 10.Overheat protector module 6 prevents driving electricity
Excess temperature phenomenon occurs at work for machine, extends the service life of driving motor.During overheat protector module 6 works,
Temperature collection circuit 18 is used to acquire real time temperature when driving motor work, and converts voltage signal for real time temperature and carry out
Output, temperature voltage signal, which is input to, to be adjusted on comparison circuit 19, is compared to sentence by the safe temperature voltage with setting
Whether disconnected driving motor is in over-temperature condition, and when driving motor is in over-temperature condition, control module 2 controls driving motor and stops
Work, to realize the overheat protector of driving motor.
Brake power generating module 20 is also connected on the input/output port 10, the brake power generating module 20 includes successively electric
Braking signal collection circuit 21, generation control circuit 22 and the power generation execution circuit 23 of connection, the braking signal collection mould
Block 21 is electrically connected with input/output port 10.
Brake power generating module 20 converts electric energy for the kinetic energy of automobile itself and stores, no in Motor Vehicle Braking Procedure
It reduced by only the mechanical wear of automobile brake system, while kinetic energy can also effectively be recycled, it is environmentally protective.
The specific working principle of brake power generating module 20 are as follows: when automobile is in on-position, braking signal collection circuit
It gets automobile brake signal and brake signal is transmitted to generation control circuit 22, generation control circuit 22 receives braking letter
After number, control power generation execution circuit 23, electromagnetic generator power generation circuit is connected and is generated electricity, during power generation, by vapour
The kinetic energy of vehicle is converted into electric energy and is stored, and the speed of automobile is also reduced, and not only realizes power generation, also reduces simultaneously
Mechanical wear of the automobile brake system in braking process.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (8)
1. a kind of new-energy automobile electric-control system, it is characterised in that: connect including power module (1) and with power module (1)
Control module (2), inversion drive module (3), overcurrent protection module (4), reversal protection module (5) and overheat protector module
(6), the inversion drive module (3), overcurrent protection module (4), reversal protection module (5) and overheat protector module (6) are equal
It is connect with control module (2)；
The power module (1) is used to provide electric energy required when control circuit and motor work, and the control module (2) is used
Multidate information collected and control instruction is issued according to multidate information processing result when analysis processing motor work, it is described
Conversion of the inversion drive module (3) for direct current to alternating current, the overcurrent protection module (4) is for protecting motor working
When prevent overcurrent, the reversal protection module (5) when motor being protected to work for preventing to rotate backward, the excess temperature
Protective module (6) is excessively high for protecting motor to prevent temperature at work.
2. a kind of new-energy automobile electric-control system according to claim 1, it is characterised in that: the power module (1) is adopted
The storage and supply of electric energy are carried out with lithium battery.
3. a kind of new-energy automobile electric-control system according to claim 1, it is characterised in that: control module (2) packet
Memory (8), analog-digital converter (9) and the input/output port for including microcontroller (7) and being electrically connected with microcontroller (7)
(10).
4. a kind of new-energy automobile electric-control system according to claim 1, it is characterised in that: the inversion drive module
It (3) include full bridge inverter (11) and inverter control circuit (12), full bridge inverter (11) input terminal and power supply mould
Block (1) electrical connection, full bridge inverter (11) control terminal are electrically connected with inverter control circuit (12), the inversion control electricity
The input terminal on road (12) is connect with input/output port (10).
5. a kind of new-energy automobile electric-control system according to claim 1, it is characterised in that: the overcurrent protection module
It (4) include that current collection circuit (13), voltage comparator circuit (14) and reference voltage adjust circuit (15), the current acquisition
The output end that circuit (13) and reference voltage adjust circuit (15) is electrically connected with the input terminal of voltage comparator circuit (14), institute
The output end for stating voltage comparator circuit (14) is electrically connected with analog-digital converter (9).
6. a kind of new-energy automobile electric-control system according to claim 1, it is characterised in that: the reversal protection module
It (5) include that the motor steering Acquisition Circuit (16) being electrically connected and Zero-cross comparator circuit (17), the Zero-cross comparator circuit (17) are defeated
Outlet is electrically connected with input/output port (10).
7. a kind of new-energy automobile electric-control system according to claim 1, it is characterised in that: the overheat protector module
It (6) include temperature collection circuit (18) and the adjusting comparison circuit (19) being connect with temperature collection circuit (18), the adjusting
Comparison circuit (19) output end is electrically connected with input/output port (10).
8. a kind of new-energy automobile electric-control system according to claim 1, it is characterised in that: the input/output port (10)
On be also connected with brake power generating module (20), the brake power generating module (20) include be sequentially connected electrically braking signal collection electricity
Road (21), generation control circuit (22) and power generation execution circuit (23), the braking signal collection module (21) and input are defeated
Export (10) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213977.6A CN109515209A (en) | 2018-10-18 | 2018-10-18 | A kind of new-energy automobile electric-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213977.6A CN109515209A (en) | 2018-10-18 | 2018-10-18 | A kind of new-energy automobile electric-control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109515209A true CN109515209A (en) | 2019-03-26 |
Family
ID=65770891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213977.6A Pending CN109515209A (en) | 2018-10-18 | 2018-10-18 | A kind of new-energy automobile electric-control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN109515209A (en) |
Citations (7)
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|---|---|---|---|---|
| CN1937397A (en) * | 2006-10-13 | 2007-03-28 | 清华大学 | Vehicle electric booster steering system controller |
| KR20120112333A (en) * | 2012-09-21 | 2012-10-11 | (주)모토닉 | Method for driving oil pump for plug-in hybrid vehicle |
| CN202911672U (en) * | 2012-11-14 | 2013-05-01 | 安徽安凯汽车股份有限公司 | Electrocar power system |
| CN203434912U (en) * | 2013-07-24 | 2014-02-12 | 华域汽车电动***有限公司 | Large power permanent magnetic synchronous motor controller for pure electric automobile |
| CN104494462A (en) * | 2014-12-12 | 2015-04-08 | 山东理工大学 | Control method of electric car driving motor |
| CN104631541A (en) * | 2015-01-20 | 2015-05-20 | 徐州徐工挖掘机械有限公司 | High-power high-voltage motor safe operation protective system of electric hydraulic excavator |
| CN108279656A (en) * | 2018-03-27 | 2018-07-13 | 杭州泓创新能源有限公司 | Vehicle traction intelligent controlling device |
-
2018
- 2018-10-18 CN CN201811213977.6A patent/CN109515209A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1937397A (en) * | 2006-10-13 | 2007-03-28 | 清华大学 | Vehicle electric booster steering system controller |
| KR20120112333A (en) * | 2012-09-21 | 2012-10-11 | (주)모토닉 | Method for driving oil pump for plug-in hybrid vehicle |
| CN202911672U (en) * | 2012-11-14 | 2013-05-01 | 安徽安凯汽车股份有限公司 | Electrocar power system |
| CN203434912U (en) * | 2013-07-24 | 2014-02-12 | 华域汽车电动***有限公司 | Large power permanent magnetic synchronous motor controller for pure electric automobile |
| CN104494462A (en) * | 2014-12-12 | 2015-04-08 | 山东理工大学 | Control method of electric car driving motor |
| CN104631541A (en) * | 2015-01-20 | 2015-05-20 | 徐州徐工挖掘机械有限公司 | High-power high-voltage motor safe operation protective system of electric hydraulic excavator |
| CN108279656A (en) * | 2018-03-27 | 2018-07-13 | 杭州泓创新能源有限公司 | Vehicle traction intelligent controlling device |
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Application publication date: 20190326 |
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