CN106828197A - Electric machine control system and electric automobile - Google Patents
Electric machine control system and electric automobile Download PDFInfo
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- CN106828197A CN106828197A CN201710135913.8A CN201710135913A CN106828197A CN 106828197 A CN106828197 A CN 106828197A CN 201710135913 A CN201710135913 A CN 201710135913A CN 106828197 A CN106828197 A CN 106828197A
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- controller
- motor
- control system
- electric machine
- machine control
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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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/10—Electrical machine types
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/425—Temperature
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/60—Navigation input
- B60L2240/66—Ambient conditions
- B60L2240/662—Temperature
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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
- B60L2260/00—Operating Modes
- B60L2260/10—Temporary overload
- B60L2260/16—Temporary overload of electrical drive trains
- B60L2260/167—Temporary overload of electrical drive trains of motors or generators
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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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
Abstract
The present invention provides a kind of electric machine control system and electric automobile, is related to Control of Electric Vehicles field.The electric machine control system that the present invention is provided includes controller, motor and range finder, controller respectively with motor, range finder is electrically connected, controller is according to the time difference of the shop with the second time point for the receiving feedback signal very first time of range sensor emission detection signal and the first distance for calculating range finder and barrier, controller is additionally operable to the second distance that budget motor rear electric automobile out of service is slided, and calculate the distance difference of the first distance and second distance, and distance difference is compared with pre-stored safe distance value, if distance difference is less than pre-stored safe distance value, then controller controlled motor is out of service.The electric machine control system that the present invention is provided can effectively prevent the generation of contingency with electric automobile.
Description
Technical field
The present invention relates to Control of Electric Vehicles field, in particular to a kind of electric machine control system and electric automobile.
Background technology
With the general increase of current car user's number, traffic accident also constantly occurs, shows according to investigations, drunk driving, Si Jikai
Divert attention during car and fatigue driving is main cause that traffic accident occurs, many families are incoherent because of traffic accident.
Electric automobile enters the visual field of the public, as a kind of emerging product extensively as a kind of emerging new-energy automobile
Product, those skilled in the art should consider how to reduce traffic accident incidence first.
The content of the invention
It is an object of the invention to provide a kind of electric machine control system and electric automobile, traffic accident probability of happening is reduced to reach
Effect.
The present invention provides a kind of technical scheme：
In a first aspect, the invention provides a kind of electric machine control system, the electric machine control system includes controller, motor
And range finder, the controller electrically connected with the motor, the range finder respectively, and the range finder is used
In launching a detectable signal under the control in the controller, and record first time point, the range sensor and receive by
The feedback signal that barrier is reflected back, and by the feedback signal transmission to the controller, the controller is receiving
Recorded for the second time point when stating feedback signal, the controller is additionally operable to calculate the first time point with second time point
Time difference, and the distance calculated according to the spread speed of the time difference, the detectable signal and the feedback signal visit
The first distance of device and the barrier is surveyed, the electric machine control system also includes speed probe, the speed probe point
Do not electrically connected with the controller, the motor, the speed probe is used to obtaining the rotary speed information of the motor, and by institute
State rotary speed information to transmit to the controller, the controller is used to be believed according to the rotating speed after the rotary speed information is received
Breath calculates the travel speed of the electric automobile with the external diameter of the wheel of an electric automobile, and according to the travel speed with it is current
Under the conditions of coefficient of friction budget described in after motor stalls, the second distance that the electric automobile is slided, the controller
It is additionally operable to calculate the distance difference of first distance and the second distance, and by the distance difference and pre-stored safety
Distance value is compared, if the distance difference is less than the pre-stored safe distance value, the controller control is described
Motor is out of service.
Further, the electric machine control system also include a wireless communication module, the wireless communication module with it is described
Controller is electrically connected, and is connected with meteorological observatory's server communication, and the wireless communication module is used to obtain under conditions present
Climatic data and temperature data, and the climatic data and temperature data are transmitted to the controller, the controller is also used
Compare with pre-stored data with the temperature data in by the climatic data, and determined to work as preceding article according to comparison result
Coefficient of friction under part.
Further, the electric machine control system also includes temperature sensor, the temperature sensor and the controller
Electrical connection, the temperature sensor is used to measure the temperature value of the motor, and the temperature value is transmitted to the controller,
The controller is additionally operable to be compared the temperature value with pre-stored temperature value, if the temperature value prestores more than described
The temperature value of storage, then the controller control motor speed reduction.
Further, the controller is additionally operable to after the rotary speed information is received, by the rotary speed information with prestore
The rotary speed information of storage is compared, if the rotary speed information is more than the pre-stored rotary speed information, the controller control
The motor speed reduction.
Further, the electric machine control system also includes current input module, the current input module respectively with
The controller, a battery and motor electrical connection, the controller are additionally operable to adjust the current input module input electricity
The electric current of machine.
Further, the electric machine control system also include also include fault detection module, the fault detection module with
The controller electrical connection, the fault detection module is used to detect whether the motor breaks down, if so, the then control
Device controls the motor to be stopped.
Further, the controller includes shell, and the shell is a closed square body, wherein the one of the shell
Face is aluminium sheet, and the aluminium sheet is provided with the radiator of multiple equidistantly pyramids of arrangement, and the radiator with the aluminium
The outside side connection positioned at the shell of plate, and the direction of each radiator is consistent, four ends of the aluminium sheet
Portion is provided with installed part.
Further, the electric machine control system also include energy feedback module, the energy feedback module respectively with institute
Controller, motor electrical connection, and the energy feedback module is stated to be connected with a battery.
Further, the motor is copper casting rotor asynchronous machine.
Second aspect, the embodiment of the present invention additionally provides a kind of electric automobile, the electric automobile include automobile body with
Electric machine control system, the electric machine control system is installed in the automobile body.
Compared to existing electric machine control system, the electric machine control system that the present invention is provided includes controller, motor
And range finder, controller electrically connects with motor, range finder respectively, and controller is launched according to range sensor and visited
Survey time difference of the shop with the second time point for the receiving feedback signal very first time and calculating range finder and the obstacle of signal
First distance of thing, controller is additionally operable to the second distance that budget motor rear electric automobile out of service is slided, and calculates first
The distance difference of distance and second distance, and distance difference is compared with pre-stored safe distance value, if distance difference
Less than pre-stored safe distance value, then controller controlled motor is out of service.On the one hand, because electric automobile is being closed in driver
After closing motor, still can due to the segment distance of inertia forward slip one, many drivers because do not calculate distance that this section is slided and with
Object in front of electric automobile collides, and by such mode, driver does not calculate the distance that this section is slided in time,
Motor can also be under the control of the controller closed, driver is more facilitated, experience sense enhancing.Second aspect, driver because drunk driving,
Divert attention during driving, when fatigue driving or other reasonses produce traffic accident soon, controller can controlled motor close, so as to prevent traffic accident
Generation, effectively reduce traffic accident generation probability.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the circuit connection block diagram of electric machine control system provided in an embodiment of the present invention.
Fig. 2 is wireless communication module provided in an embodiment of the present invention interacts schematic diagram with meteorological observatory server.
Fig. 3 is the structural representation of shell provided in an embodiment of the present invention.
Fig. 4 is the structural representation of electric automobile provided in an embodiment of the present invention.
Icon：100- electric machine control systems；101- controllers；102- motors；103- range finders；104- revolution speed sensings
Device；105- wireless communication modules；106- temperature sensors；107- current input modules；108- fault detection modules；109- energy
Feedback module；120- meteorological observatories server；121- networks；130- shells；131- aluminium sheets；132- radiators；133- installed parts；
200- electric automobiles；201- vehicle bodies；202- wheels；203- automobile bodies.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, it is to be understood that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, or should
Orientation or position relationship that invention product is usually put when using, or those skilled in the art usually understand orientation or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the equipment or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second ", etc. be only used for distinguish description, and it is not intended that indicate or imply relatively heavy
The property wanted.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or one
The connection of body ground；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to indirect by intermediary
It is connected, can is two connections of element internal.For the ordinary skill in the art, can be with concrete condition understanding
State term concrete meaning in the present invention.
First embodiment
Fig. 1 is referred to, a kind of electric machine control system 100 is the embodiment of the invention provides, electric automobile is applied to.The motor
Control system 100 include controller 101, motor 102 and range finder 103, controller 101 respectively with motor 102, distance
Detector 103 is electrically connected.
Specifically, due to driver drunk driving, drive when divert attention and fatigue driving or other reasonses under drive vehicle when, can
Can be collided with the barrier such as trees, vehicle in front of electric automobile, so as to get into an accident；Or due to the normal row of driver
Sail, due to not estimating the distance that electric automobile can be slided after brake, so that it can also happen that traffic accident.In view of this, this reality
Apply the use pyroscan or the emission detection signal of other range finders 103 of example, the detection of the recording distance of controller 101
The first time point of the emission detection signal of device 103, range finder 103 is installed on the front of electric automobile, and receives by preceding
The feedback signal that square barrier is reflected back, range finder 103 records feedback signal transmission to controller 101, controller 101
The second time point of feedback signal is received, controller 101 can calculate the time difference at very first time shop and the second time point, and root
The spread speed of the signal launched according to the time difference and range finder 103 calculates the of range finder 103 and barrier
One distance, first distance is the distance between now electric automobile and barrier.
Electric machine control system 100 also includes speed probe 104, and the speed probe 104 is electrically connected with controller 101
Connect, and speed probe 104 can obtain the rotary speed information of motor 102, and rotary speed information is transmitted to controller 101, control
External diameter of the device processed 101 after rotary speed information is received according to rotary speed information and the wheel of electric automobile calculates the traveling of electric automobile
Speed, if for example, motor 102 rotates one and encloses in 1s, the external diameter of wheel is 1m, then now the actual speed of electric automobile should be
1m/s；Of course, in actual applications, motor 102 is different with wheel drive mode, and such as motor 105 may rotate five circles,
And the actual only rotation one of wheel is enclosed, the present embodiment does any restriction not to this, and controller 101 is according to travel speed and newton
After second law calculating motor 102 is stopped immediately, it is department that the second distance that electric automobile is slided, the i.e. second distance are actual
The distance that electric automobile is slided after machine brake, controller 101 can also calculate the difference of the first distance and second distance, and the difference is
After being braked at once for driver, electric automobile stop after the distance between with barrier, in order to ensure to occur without traffic accident, it is necessary to
A safe distance value is pre-stored in controller 101, controller 101 is compared distance difference with pre-stored safe distance value
Compared with, if distance difference is less than pre-stored safe distance value, if representing, electric automobile continues to travel, it is possible that traffic accident,
Controller 101 then can controlled motor 102 be stopped；If, more than pre-stored safe distance value, motor 102 is just for distance difference
Often operation.
It should be noted that due in the case of actual travel, may due to some it is uncertain because
Element is to calculate error occur, so, it should also pre-stored safe distance value is set to slightly larger safe distance value, but if peace
Full distance value is excessive, then driver's frequency of stopping in the process of moving may be caused too high, is made troubles to driver, influence driver's
Experience sense.To sum up, in the present embodiment, the safe distance value is preferably set to 1-3m.
Also, it should be noted that because the factor for influenceing to be slided after the brake of electric automobile is acceleration, and influence to accelerate
The key factor of degree is the coefficient of friction on wheel and ground, and different weathers, at a temperature of, the friction system on wheel and ground
Number can change, for example, in fine day, wheel is 0.5 with the coefficient of friction on ground, and in the rainy day, the friction on wheel and ground
Coefficient can change into 0.3, and in snowy day, wheel can change into 0.1 with the coefficient of friction on ground.Fig. 2 is referred to, in view of
This, in the present embodiment, electric machine control system 100 also include a wireless communication module 105, the wireless communication module 105 with
The controller 101 is electrically connected, and is communicated to connect by network 121 with meteorological observatory's server 120, wireless communication module 105
Can obtain under conditions present meteorological observatory's server 120 issue climatic data and temperature data, and by climatic data with temperature
Degrees of data is transmitted to controller 101, and controller 101 compares climatic data, temperature data and pre-stored data, and root
The coefficient of friction under conditions present is determined according to comparison result.In the present embodiment, pre-stored data are climatic data, temperature number
According to the corresponding table with coefficient of friction.
Because motor 102 can produce amount of heat in the case where operating is told, if after producing amount of heat, if continue to
Operation motor 102 is run at high speed, then motor 102 may be caused to damage, and has had a strong impact on the service life of motor 102, so,
In the present embodiment, electric machine control system 100 also include temperature sensor 106, temperature sensor 106 respectively with controller 101, electricity
Machine 102 is electrically connected, and temperature sensor 106 is used for the temperature value of measurement motor 102, and the temperature value of measurement is transmitted to controller
101, with pre-stored temperature value be compared the temperature value by controller 101, and the pre-stored temperature value is that motor 102 is normal
Maximum temperature during work, if the temperature value for measuring exceedes the pre-stored temperature value, may damage motor 102, then control
The reduction of the rotating speed of 101 controlled motor of device processed 102, if temperature value is less than pre-stored temperature value, motor 102 normally runs.
Also, controller 101 is after rotary speed information is received, rotary speed information can also be carried out with pre-stored rotary speed information
Compare, if rotary speed information is more than pre-stored rotary speed information, the reduction of the rotating speed of 101 controlled motor of controller 102.Due to motor
The size of 102 rotating speeds and the speed of expression electric automobile during traveling, by such setting, can limit the traveling speed of electric automobile
Degree, drives over the speed limit so as to be effectively prevented driver.
It should be noted that the concrete principle of the rotating speed of 101 controlled motor of controller 102 is：Electric machine control system 100 is also wrapped
Current input module 107 is included, current input module 107 is connected with controller 101, the storage battery of motor 102 and respectively,
Battery is the power supply of electric automobile, and because the size of the rotating speed of motor 102 depends on the size of electric current, electric current is bigger, motor
102 rotating speeds are faster, and electric current is smaller, and the rotating speed of motor 102 is slower, so, in the present embodiment, the essence of controller 101 is by adjusting
The size of the electric current of the input motor 102 of current input module 107, so as to control the size of the rotating speed of motor 102.
Because motor 102 is at work it is possible that failure, such as stationary part of motor 102 occur partially with rotor portion
Move, when failure is serious, it is also possible to cause the generation of some contingencies, in order to monitor that motor 102 is whether to produce at any time
Failure is given birth to, the electric machine control system 100 in the present embodiment also includes fault detection module 108, fault detection module 108 and control
Device processed 101 is electrically connected, and fault detection module 108 is used to detect whether motor 102 breaks down, if so, the then controller 101
Controlled motor 102 is stopped, so as to remind driver to check motor 102, the failure of motor 102 is found in time.
Moreover, the electric machine control system 100 that the present embodiment is provided also includes energy feedback module 109, energy feedback
Module 109 is electrically connected with controller 101, motor 102 respectively, and energy feedback module 109 is connected with storage battery.Also, need
It is noted that in the present embodiment, motor 102 is copper casting rotor asynchronous machine 102, the motor 102 is a clockwise and anticlockwise motor
102, when motor 102 is powered to be rotated forward, the consumption electric energy of motor 102, and mechanical energy is converted electrical energy into, and work as electric automobile descending
When, motor 102 can then be inverted, and now electric automobile can be by energy back module for battery charges, so that electronic vapour
The endurance of car is more lasting.
It should be noted that in order to reduce volume, controller 101, speed probe 104, temperature that the present embodiment is provided
Sensor 106, wireless communication module 105, current input module 107, energy feedback module 109 and fault detection module 108
It is integrated on same pcb board.By integrated mode, not only cause that the volume of electric machine control system 100 reduces, and can be with
Make the generating speed of battery faster, so that the rotating speed of motor 102 increases.
Fig. 3 is referred to, moreover, in order to prevent electric machine control system 100 from breaking down in inclement weather, is such as rained
My god, in the present embodiment, controller 101 includes shell 130, and the pcb board is installed in shell 130, and shell 130 is one closed
Square body, the wherein one side of shell 130 is aluminium sheet 131, and the aluminium sheet 131 is provided with the radiating of multiple equidistantly pyramids of arrangement
Body 132, and radiator 132 is connected with the outside side positioned at shell 130 of aluminium sheet 131, and each radiator 132 court
To consistent, four ends of aluminium sheet 131 are provided with installed part 133, and the shell 130 can be installed on electronic vapour by installed part 133
Che Shang.Because electric machine control system 100 can operationally produce heat, and heat has sophisticated fuel factor, so in this reality
Apply in example, by setting radiator 132, can greatly strengthen the heat-sinking capability of the shell 130.
Second embodiment
The embodiment of the invention provides a kind of electric automobile 200, including the electricity that automobile body 203 is provided with first embodiment
Machine control system 100, electric machine control system 100 is installed in automobile body 203.
Specifically, automobile body 203 includes vehicle body 201 and wheel 202, and wheel 202 is installed on four ends of vehicle body 201, away from
The front end of vehicle body 201 is arranged at from detector 103, controller 101 and other functional modules are placed in shell 130, shell
130 are installed on inside vehicle body 201, and motor 102 is connected with wheel 202, and operationally, motor 102 converts electrical energy into mechanical energy,
Band motor car wheel 202 is rotated simultaneously.
In sum, the invention provides a kind of electric machine control system and electric automobile, the electric machine control system includes control
Device processed, motor and range finder, controller are electrically connected with motor, range finder respectively, and controller is according to Distance-sensing
The time difference of the shop with the second time point for the receiving feedback signal very first time of device emission detection signal and calculating distance measurement
First distance of device and barrier, controller is additionally operable to the second distance that budget motor rear electric automobile out of service is slided, and
The distance difference of the first distance and second distance is calculated, and distance difference is compared with pre-stored safe distance value, if
Less than pre-stored safe distance value, then controller controlled motor is out of service for distance difference.On the one hand, because electric automobile exists
Driver, still can be due to the segment distance of inertia forward slip one after motor is closed, and many drivers are not because calculating what this section was slided
Distance and collided with the object in front of electric automobile, and by such mode, driver does not calculate this section of cunning in time
Capable distance, it is also possible to close motor under the control of the controller, makes driver more facilitate, experience sense enhancing.Second aspect, department
Machine because drunk driving, drive when divert attention, fatigue driving or other reasonses produce traffic accident soon when, controller can controlled motor close so that
The generation of traffic accident is prevented, the probability of traffic accident generation is effectively reduced.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of electric machine control system, it is characterised in that the electric machine control system includes controller, motor and distance measurement
Device, the controller is electrically connected with the motor, the range finder respectively, and the range finder is used in the control
Launch a detectable signal under the control of device, the controller records first when the range finder launches the detectable signal
Time point, the range sensor simultaneously receives the feedback signal that is reflected back by barrier, and by the feedback signal transmission to institute
Controller is stated, the controller recorded for the second time point when the feedback signal is received, and the controller is additionally operable to calculate
The time difference at the first time point and second time point, and it is anti-with described according to the time difference, the detectable signal
The spread speed of feedback signal calculates the first distance of the range finder and the barrier, and the electric machine control system is also wrapped
Speed probe is included, the speed probe is electrically connected with the controller, the motor respectively, and the speed probe is used for
The rotary speed information of the motor is obtained, and the rotary speed information is transmitted to the controller, the controller is used to receive
The row of the electric automobile is calculated after to the rotary speed information according to the external diameter of the rotary speed information and the wheel of an electric automobile
After sailing speed, and the motor stalls according to the coefficient of friction budget under the travel speed and conditions present, the electricity
The second distance that electrical automobile is slided, the controller is additionally operable to calculate the range difference of first distance and the second distance
Value, and the distance difference is compared with pre-stored safe distance value, if the distance difference is pre-stored less than described
Safe distance value, then the controller control the motor out of service.
2. electric machine control system according to claim 1, it is characterised in that the electric machine control system also includes that is wireless
Communication module, the wireless communication module is electrically connected with the controller, and the wireless communication module is used to receive a meteorological observatory
Climatic data and temperature data under the conditions present that server sends, and the climatic data and temperature data are transmitted to institute
Controller is stated, the controller is additionally operable to compare the climatic data, the temperature data and pre-stored data, and
The coefficient of friction under conditions present is determined according to comparison result.
3. electric machine control system according to claim 1, it is characterised in that the electric machine control system is also passed including temperature
Sensor, the temperature sensor is electrically connected with the motor with the controller respectively, and the temperature sensor is used to measure institute
State the temperature value of motor, and the temperature value transmitted to the controller, the controller be additionally operable to by the temperature value with
Pre-stored temperature value is compared, if the temperature value is more than the pre-stored temperature value, the controller controls institute
State motor speed reduction.
4. electric machine control system according to claim 1, it is characterised in that the controller be additionally operable to receive it is described
After rotary speed information, the rotary speed information is compared with pre-stored rotary speed information, if the rotary speed information is more than described pre-
The rotary speed information of storage, then the controller control motor speed reduction.
5. the electric machine control system according to claim 3 or 4, it is characterised in that the electric machine control system is also included
Current input module, the current input module is electrically connected with the controller, a battery and motor respectively, the control
Device is additionally operable to adjust the electric current that the current input module is input into motor.
6. electric machine control system according to claim 1, it is characterised in that the electric machine control system also includes also including
Fault detection module, the fault detection module is electrically connected with the controller, and the fault detection module is used to detect described
Whether motor breaks down, if so, then sending fault-signal to the controller, the controller is receiving the failure letter
Control the motor out of service after number.
7. electric machine control system according to claim 1, it is characterised in that the controller includes shell, described outer
Shell is a closed square body, and the wherein one side of the shell is aluminium sheet, and the aluminium sheet is provided with the pyramid of multiple equidistantly arrangements
The radiator of shape, and the radiator is connected with the outside side positioned at the shell of the aluminium sheet, and described in each
The direction of radiator is consistent, and four ends of the aluminium sheet are provided with installed part.
8. electric machine control system according to claim 1, it is characterised in that the electric machine control system is also returned including energy
Feedback module, the energy feedback module is electrically connected with the controller, the motor respectively, and the energy feedback module and
Battery is connected.
9. electric machine control system according to claim 1, it is characterised in that the motor is copper casting rotor asynchronous machine.
10. a kind of electric automobile, it is characterised in that the electric automobile includes that automobile body is any one with such as claim 1 to 9
Electric machine control system described in, the electric machine control system is installed in the automobile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135913.8A CN106828197A (en) | 2017-03-08 | 2017-03-08 | Electric machine control system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135913.8A CN106828197A (en) | 2017-03-08 | 2017-03-08 | Electric machine control system and electric automobile |
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| CN106828197A true CN106828197A (en) | 2017-06-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710135913.8A Pending CN106828197A (en) | 2017-03-08 | 2017-03-08 | Electric machine control system and electric automobile |
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Application publication date: 20170613 |