CN201300746Y - Control device of electric bicycle - Google Patents
Control device of electric bicycle Download PDFInfo
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- CN201300746Y CN201300746Y CNU2008201608349U CN200820160834U CN201300746Y CN 201300746 Y CN201300746 Y CN 201300746Y CN U2008201608349 U CNU2008201608349 U CN U2008201608349U CN 200820160834 U CN200820160834 U CN 200820160834U CN 201300746 Y CN201300746 Y CN 201300746Y
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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
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Abstract
The utility model provides a control device of an electric bicycle, and aims to ensure that the electric bicycle can be in normal use under the conditions that the steering handle, the braking handle and/or the motor hall elements of the electric bicycle are damaged. The control device comprises a central control unit, a drive circuit connected with a motor control output end of the central control unit and used for controlling a brushless motor, a steering handle control input circuit connected with a speed control input end of the central control unit, and a cruise switch connected with a cruise control input end of the central control unit, wherein, the steering handle control input circuit is used for connecting with a steering handle for controlling the rotation speed of the motor. When a fact that the voltage of the steering control input end is not in a preset range is detected, the central control unit determines that the steering handle control input circuit or the steering handle has failure, and the central control unit enters the cruise control mode, that is, only when the cruise switch is closed, the central control unit controls the brushless motor to rotate at a preset rotation speed through the drive circuit, and generally, the preset rotation speed is half of the highest speed of the electric bicycle in normal use.
Description
Technical field
The utility model relates to a kind of controller of electric vehicle.
Background technology
If in X in brushless DC motor control without position transduser, just must be by means of to the detection of relevant amount with calculate to obtain the position of motor rotor with motor rotor position.At present brushless direct current motor does not have sensor and controls comparatively that the typical control method has counter electromotive force method, flywheel diode method, stator triple-frequency harmonics method and adopts Based Intelligent Control detection method etc.Wherein the counter electromotive force method is the most common and most widely used method, what for example US Patent N0.5235264 adopted is exactly the counter electromotive force method, its principal feature is directly to detect the back electromotive force zero-crossing of responding in the no power phase stator winding in the motor, and the 30 degree electric angles that lag behind again are the commutation point.Because the counter electromotive force of responding in the stator winding is directly proportional with speed, counter electromotive force is very faint when motor speed is very low, just can't judge the zero crossing of counter electromotive force, so that this method tends to when motor low speed is invalid.And Chinese patent ZL200410065332.1 discloses " a kind of brshless DC motor first-harmonic method direct Torque Control based on the position-sensor-free technology ", and it calculates rotating speed with the instantaneous current, the space voltage vector of selecting for use that detect and the magnetic linkage that calculates.
Chinese patent literature notification number CN101242154 discloses a kind of built-in permanent magnetic brushless DC motor control system without position sensor, mainly is made up of the parts such as permanent-magnet brushless DC electric machine, driving and control power supply of microprocessor controller, IPM module and driver element, current detection circuit, phase voltage testing circuit, output display circuit, control input circuit, embedded rotor structure.Its inductance according to the stator winding of the permanent-magnet brushless DC electric machine of embedded rotor structure is the characteristics of the function of rotor position, judges rotor-position by the variation inductance of indirect detection stator winding.Adopting in the built-in permanent magnetic brushless DC motor of star connection at stator winding, when wherein the self-induction of two phase windings equates, just in time is the counter potential zero crossing of no power phase.Therefore can be at the voltage to ground of a PWM non-energising phase of double sampling in the cycle, and relatively their difference just can be judged the zero crossing of the counter potential of non-energising phase, the 30 ° of electric angles that lag behind again are the commutation moment next time.
The controller of above-mentioned prior art is applied to battery-driven car, when especially being applied to Electrical Bicycle, if the handle or the brake lever of Electrical Bicycle break down, and then electronic can't starting, the general user does not know why hinder, brought inconvenience to use yet.
The utility model content
Technical problem to be solved in the utility model provide a kind of also can be when the handle et out of order of battery-driven car to opening and a kind of controller of electric vehicle of control battery-driven car.
The further technical matters to be solved of the utility model provides a kind of a kind of controller of electric vehicle that also can open battery-driven car when the brake lever et out of order of battery-driven car.
When providing a kind of handle at battery-driven car, brake lever or motor et out of order, the technical matters that the utility model also will solve to give a kind of controller of electric vehicle of the information that is out of order.
For solving the problems of the technologies described above, the utility model provides a kind of controller of electric vehicle, comprising: Central Processing Unit (CPU), the driving circuit that is used to control the brushless motor rotation that links to each other with the electric machine control mouth of Central Processing Unit (CPU), the handle control input circuit that links to each other with the rotating speed control input end of Central Processing Unit (CPU) and the cruise switch that links to each other with the cruising control input end of Central Processing Unit (CPU); Handle control input circuit is used for linking to each other with the handle of control motor speed; The voltage that records its handle control input end when central control unit is not in preset range the time, promptly judge handle control input circuit or described handle and have fault, Central Processing Unit (CPU) enters cruise mode control, that is: only when cruise switch is closed, Central Processing Unit (CPU) rotates by preset rotation speed by driving circuit control brushless motor, and this preset rotation speed is generally battery-driven car half of maximum speed when normally exercising.
For solving above-mentioned further technical matters to be solved, the brake lever test side of described Central Processing Unit (CPU) is connected with the brake lever testing circuit, and the control input end of brake lever testing circuit is used for linking to each other with the brake lever that is used to brake of battery-driven car; When central control unit records its brake lever test side is low level, and when recording described handle and being spurred four times continuously, judge that promptly there are fault in brake lever testing circuit or described brake lever, Central Processing Unit (CPU) enters described cruise mode control, that is: record incoming signal 4 times when the handle control input end of central control unit, and when cruise switch was closed, Central Processing Unit (CPU) rotated by preset rotation speed by driving circuit control brushless motor.
Central Processing Unit (CPU) has the breakdown signal mouth, and it is connected with sound light alarming circuit; When judging handle control input circuit or handle and have fault, the alerting signal that described Central Processing Unit (CPU) damages by sound light alarming circuit output prompting handle; When judging brake lever testing circuit or brake lever and have fault, the alerting signal that described Central Processing Unit (CPU) damages by sound light alarming circuit output prompting brake lever.
The utlity model has positive effect: (1) has adopted the motor of a kind of controller of electric vehicle of the present utility model, even if under the situation that battery-driven car generation handle damages, brake lever damages and the motor Hall element damages, still can normally use, guaranteed battery-driven car reliability in the use, convenient for users.(2) a kind of controller of electric vehicle of the present utility model has anti-theft feature preferably.
Description of drawings
Fig. 1 is the circuit block diagram of a kind of controller of electric vehicle of the present utility model;
Fig. 2 is the schematic circuit diagram of a kind of controller of electric vehicle of the present utility model.
The specific embodiment
(embodiment 1)
See Fig. 1-2, a kind of controller of electric vehicle of present embodiment comprises: Central Processing Unit (CPU) 1, cruise switch 2, brake lever testing circuit 3, handle control input circuit 4, power supply are locked testing circuit 5, back-emf sensing circuit 6, Hall testing circuit 7, reversing switch 8, sound light alarming circuit 9, battery voltage detection circuit 10, remote control receiver module 11 and are used to control the driving circuit 12 that brushless motor rotates.
It is the micro controller system of cy8c24533 that Central Processing Unit (CPU) 1 adopts model, driving circuit 12 (is the P12-13 of micro controller system with the electric machine control mouth of Central Processing Unit (CPU) 1, P16-17 and P22-23 pin) link to each other, handle control input circuit 4 links to each other with the rotating speed control input end (being the P00 pin of micro controller system) of Central Processing Unit (CPU) 1, and cruise switch 2 links to each other with the cruising control input end (being the P14 pin of micro controller system) of Central Processing Unit (CPU) 1; Handle control input circuit 4 (comprising: resistance R 20 and R31) is used for linking to each other with the handle ZB of control motor speed.
The voltage that records its handle control input end when central control unit 1 is not in preset range the time, promptly judge handle control input circuit 4 or described handle and have fault, Central Processing Unit (CPU) 1 enters cruise mode control, that is: only in cruise switch 2 closures when (the P14 pin that is micro controller system is low level), Central Processing Unit (CPU) 1 rotates by preset rotation speed by driving circuit 12 control brushless motors, this preset rotation speed is generally battery-driven car half of maximum speed, for example 20Km/h when normally exercising.
The brake lever test side of described Central Processing Unit (CPU) 1 (being the P11 pin of micro controller system) is connected with brake lever testing circuit 3, and the control input end of brake lever testing circuit 3 is used for linking to each other with the brake lever that is used to brake of battery-driven car; When central control unit 1 records its brake lever test side is low level, and when Central Processing Unit (CPU) 1 records described handle and is spurred four times (being that its handle control input end change of voltage is changed continuous 4 times by 0.8V to 3.5V) continuously by its handle control input end, judge that promptly there are fault in brake lever testing circuit 3 or described brake lever, Central Processing Unit (CPU) 1 enters described cruise mode control.
Described Central Processing Unit (CPU) 1 has breakdown signal mouth (being the P15 pin of micro controller system), and it is connected with sound light alarming circuit 9; When judging handle control input circuit 4 or handle and have fault, the alerting signal that described Central Processing Unit (CPU) 1 damages by sound light alarming circuit 9 output prompting handles; When judging brake lever testing circuit 3 or brake lever and have fault, the alerting signal that described Central Processing Unit (CPU) 1 damages by sound light alarming circuit 9 output prompting brake levers.Alerting signal can be the buzzerphone of corresponding number of times, or voice suggestion.
Described Central Processing Unit (CPU) 1 has counter potential test side (being the P25-27 pin of micro controller system), and it is connected with the back-emf sensing circuit 6 of the counter potential of each stator winding that is used to detect brushless motor; Back-emf sensing circuit 6 has 3 groups of comparator circuit: U1B, the U1C and the U1D that link to each other with 3 groups of stator winding respectively to constitute.
Central Processing Unit (CPU) 1 also has power supply lock test side (being the P05 pin of micro controller system), and it links to each other with power supply lock testing circuit 5; Power supply lock testing circuit 5 is made of voltage lock POWER LOCK, resistance R 35 and R27, diode D4.
If recording the power supply lock by power supply lock testing circuit 5, Central Processing Unit (CPU) 1 disconnects, and when recording cruise switch 2 closing periods above 1 second, Central Processing Unit (CPU) 1 enters the first antitheft mode of operation, that is: if Central Processing Unit (CPU) 1 records back-emf sensing circuit 6 voltage output is arranged, then by sound light alarming circuit 9 output anti-theft alarm signals.
Described Central Processing Unit (CPU) 1 has hall signal input end (being P20,21 and 24 pin of micro controller system), and it is connected with the Hall testing circuit 7 that is used for detecting from the output signal of the Hall element of brushless motor; Central Processing Unit (CPU) 1 also has remote signal input end (being the P31 pin of micro controller system), and it is connected with remote control receiver module 11; Central Processing Unit (CPU) 1 receives from exterior antitheft control command by remote control receiver module 11, and Central Processing Unit (CPU) 1 enters the second antitheft mode of operation, that is:
When central control unit 1 records back-emf sensing circuit 6 voltage output is arranged, then by sound light alarming circuit 9 output anti-theft alarm signals;
Rotate because of the external force effect when central control unit 1 records brushless motor by Hall testing circuit 7, then press opposite sense and rotate by driving circuit 12 control brushless motors.
When central control unit 1 is not received described antitheft control command, and record that power supply lock disconnects and cruise switch 2 closing periods when surpassing for 1 second, Central Processing Unit (CPU) 1 enters the 3rd antitheft mode of operation, that is: when recording brushless motor by Hall testing circuit 7, central control unit 1 rotates because of the external force effect, then according to the wheel steering that is recorded by the Hall testing circuit, Central Processing Unit (CPU) 1 is pressed opposite sense by driving circuit 12 control brushless motors and is rotated.
Central Processing Unit (CPU) 1 also can receive from exterior " removing antitheft mode of operation order ", so that Central Processing Unit (CPU) 1 is in non-anti-theft mode of operation by remote control receiver module 11; Also can receive " seeking the car order ",, be convenient to the car owner and seek car with by the corresponding sound and light signal of sound light alarming circuit 9 outputs.
Described Central Processing Unit (CPU) 1 has reversing control input end (being the P10 pin of micro controller system), and it is connected with reversing switch 8; When reversing switch 8 closures, Central Processing Unit (CPU) 1 is by driving circuit 12 control brushless motors counter-rotatings.
Judge handle control input circuit 4 or handle and brake lever testing circuit 3 or brake lever when central control unit 1 and have fault, and when recording cruise switch 2 and opening and closing 4 times the continuous high-low level alternate of P14 pin of micro controller system (be 4 times) continuously, Central Processing Unit (CPU) 1 rotates by preset rotation speed by driving circuit 12 control brushless motors.
Central Processing Unit (CPU) 1 has the battery voltage signal input end, and it is connected with battery voltage detection circuit 10; When central control unit 1 records battery when under-voltage by battery voltage detection circuit 10, described driving circuit 12 stops to power to brushless motor; If Central Processing Unit (CPU) 1 records that cruise switch 2 opens and closes 7 times continuously and described brake lever test side when being low level (being that brake lever is checked), Central Processing Unit (CPU) 1 enters the pressure motoring condition, that is: the beginning of Central Processing Unit (CPU) 1 control Driver Circuit 12 is to the brushless motor power supply, and can reduce by half the magnitude of current of the brushless motor of flowing through is corresponding.
When central control unit 1 recorded Hall element et out of order in the brushless motor by Hall testing circuit 7, Central Processing Unit (CPU) 1 rotated by driving circuit 12 control brushless motors according to the back-emf signal that back-emf sensing circuit 9 records.
Cruise switch 2, brake lever testing circuit 3 and reversing switch 8 link to each other with switch control panel KG.
Central Processing Unit (CPU) 1 has the power-assisted signal input part, and it links to each other with the 1+1 servo-unit.
A kind of controller of electric vehicle of present embodiment also has motor self-identifying learning functionality: the acquiescence planning standard was the motor of phase place 120 degree when controller dispatched from the factory, and as the supporting nonstandard motor of need, its self-identifying learning functionality is as follows:
1, cuts off battery supply earlier;
2, check brake lever, handle is screwed to the most at a high speed, and pins the button that cruises, the opening power lock;
3, connect battery supply;
4, hear report to the police 2 with motor just changeing counter-rotating each once, if learn successful matching this moment, then report to the police;
5, if the motor counter-rotating with any 2 exchanges of motor phase line, repeats above step, relearn.
Claims (7)
1, a kind of controller of electric vehicle is characterized in that comprising: Central Processing Unit (CPU) (1), the driving circuit (12) that is used to control the brushless motor rotation that links to each other with the electric machine control mouth of Central Processing Unit (CPU) (1), the handle control input circuit (4) that links to each other with the rotating speed control input end of Central Processing Unit (CPU) (1) and the cruise switch (2) that links to each other with the cruising control input end of Central Processing Unit (CPU) (1); Handle control input circuit (4) is used for linking to each other with the handle of control motor speed.
2, a kind of controller of electric vehicle according to claim 1, it is characterized in that: the brake lever test side of Central Processing Unit (CPU) (1) is connected with brake lever testing circuit (3), and the control input end of brake lever testing circuit (3) is used for linking to each other with the brake lever that is used to brake of battery-driven car.
3, a kind of controller of electric vehicle according to claim 2 is characterized in that: described Central Processing Unit (CPU) (1) has the breakdown signal mouth, and it is connected with sound light alarming circuit (9).
4, claim 2 or 3 described a kind of controller of electric vehicle, it is characterized in that: Central Processing Unit (CPU) (1) has the counter potential test side, and it is connected with the back-emf sensing circuit (6) of the counter potential of each stator winding that is used to detect brushless motor;
Central Processing Unit (CPU) (1) also has power supply lock test side, and it links to each other with power supply lock testing circuit (5).
5, claim 1 or 3 described a kind of controller of electric vehicle, it is characterized in that: described Central Processing Unit (CPU) (1) has the hall signal input end, and it is connected with the Hall testing circuit (7) that is used for detecting from the output signal of the Hall element of brushless motor;
Central Processing Unit (CPU) (1) also has the remote signal input end, and it is connected with remote control receiver module (11).
6, claim 1 or 3 described a kind of controller of electric vehicle, it is characterized in that: described Central Processing Unit (CPU) (1) has the reversing control input end, and it is connected with reversing switch (8).
7, the described a kind of controller of electric vehicle of claim 1, it is characterized in that: Central Processing Unit (CPU) (1) has the battery voltage signal input end, and it is connected with battery voltage detection circuit (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201608349U CN201300746Y (en) | 2008-11-20 | 2008-11-20 | Control device of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201608349U CN201300746Y (en) | 2008-11-20 | 2008-11-20 | Control device of electric bicycle |
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| Publication Number | Publication Date |
|---|---|
| CN201300746Y true CN201300746Y (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201608349U Expired - Fee Related CN201300746Y (en) | 2008-11-20 | 2008-11-20 | Control device of electric bicycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN201300746Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815301A (en) * | 2012-08-16 | 2012-12-12 | 重庆长安汽车股份有限公司 | Method and system for cruise control for pure electric vehicle |
| CN104260816A (en) * | 2014-10-22 | 2015-01-07 | 河南爱浪车业有限公司 | Intelligent cruising device and method of electric bicycle |
| CN112061279A (en) * | 2018-12-29 | 2020-12-11 | 魏奕帆 | Method for realizing safety control of electric vehicle |
-
2008
- 2008-11-20 CN CNU2008201608349U patent/CN201300746Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815301A (en) * | 2012-08-16 | 2012-12-12 | 重庆长安汽车股份有限公司 | Method and system for cruise control for pure electric vehicle |
| CN102815301B (en) * | 2012-08-16 | 2016-06-29 | 重庆长安汽车股份有限公司 | The method that the cruise of a kind of pure electric automobile controls |
| CN104260816A (en) * | 2014-10-22 | 2015-01-07 | 河南爱浪车业有限公司 | Intelligent cruising device and method of electric bicycle |
| CN104260816B (en) * | 2014-10-22 | 2017-02-08 | 河南爱浪车业有限公司 | Intelligent cruising device and method of electric bicycle |
| CN112061279A (en) * | 2018-12-29 | 2020-12-11 | 魏奕帆 | Method for realizing safety control of electric vehicle |
| CN112061279B (en) * | 2018-12-29 | 2022-02-22 | 深圳得到运通科技有限公司 | Method for realizing safety control of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20111120 |