CN2907041Y

CN2907041Y - Electric bicycle controller

Info

Publication number: CN2907041Y
Application number: CN 200620072229
Authority: CN
Inventors: 古汉洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-11
Filing date: 2006-04-11
Publication date: 2007-05-30
Anticipated expiration: 2016-04-11

Abstract

The utility model relates to an electric bike controller without exterior connection with alarm device, the alarming can be activated even if the battery is took off, the safety factor is high. The utility model comprises a power module device, a current detection module device, a motor driver module device, a SCM (single-chip microcomputer), and an exterior detection unit device, the connection between them is electrically controlled. The power module device comprises an ACC power supply device, an anti-theft detection module device and an alarm system device, the anti-theft detection module device and the alarm system device are in an electrically controlled connection; the power module device also has a main power circuit device and a backup power battery; the battery of the bike supplies power for the motor driver module device and the SCM respectively through ACC power supply device; in the event of power failure of the ACC power supply device, the main power circuit device supplies power to the SCM and the backup power device; whether to supply power to the motor driver module device is determined by SCM. In the event of power failure of the main power circuit device, the SCM and the alarm system device are powered by the backup battery.

Description

Electric bicycle controller

(1) technical field

The utility model relates to the electric bicycle field, is specially the controller of electric bicycle.

(2) background technology

The controller of existing electric bicycle is the control system of simple function, do not possess warning function, so stolen easily, study in the industry on original controller now and install warning device additional, be connected by external cabling between described warning device and the controller.This structure has certain anti-theft feature, but coefficient of safety is still lower, as long as cut off itself and controller external cabling or unload storage battery, all can remove warning.

(3) summary of the invention

Weak point at existing electric bicycle controller, the utility model provides a kind of electric bicycle controller with anti-theft feature, and there is not external cabling in it with being connected of warning device, even storage battery is removed, still have warning function, coefficient of safety is higher.

It is achieved through the following technical solutions: it comprises the power module device, the current detection module device, the motor drive module device, single-chip microcomputer, the external detection cell arrangement, between electricly connect, described power module device comprises the ACC electric supply installation, it is characterized in that: it also comprises antitheft detection module device and alarm system, described antitheft detection module device and alarm system and single-chip microcomputer electricly connect, described power module device also comprises the main power circuit device, backup battery, storage battery passes through the ACC electric supply installation respectively to the motor drive module device, the single-chip microcomputer power supply, under the condition of ACC electric supply installation dead electricity, described main power circuit device is to single-chip microcomputer, the power supply of backup battery device, whether the motor drive module device is powered by the single-chip microcomputer decision, under the condition of described main power circuit device dead electricity, by backup battery to single-chip microcomputer, the alarm system power supply.

It is further characterized in that: it also comprises wireless remotecontrol receiver module device; The system supplymentary cell arrangement.

In the said structure of the present utility model, controller inside is provided with warning device, connecting line that need not be outside, anti-theft is strong like this, warning device can not be removed easily, and controller inside is provided with backup battery, when storage battery is removed or is stolen, can be to the control section of single-chip microcomputer and the part power supply of reporting to the police, thereby make electric motor car keep warning function, reduced stolen possibility, ensure the safety of electric bicycle, and being provided with of wireless remotecontrol receiver module device can be satisfied the user and seek car, lock, functions such as release, can further prevent stolenly, guarantee the safety of electric bicycle.

(4) description of drawings

Fig. 1 is the block diagram of the utility model and position feedback transducer;

The common formation of Fig. 2 and Fig. 3 electrical schematic diagram of the present utility model.

(5) embodiment

See Fig. 1, the utility model comprises the power module device, the current detection module device, the motor drive module device, single-chip microcomputer, the external detection cell arrangement, between electricly connect, described power module device comprises the ACC electric supply installation, it is characterized in that: it also comprises antitheft detection module device and alarm system, described antitheft detection module device and alarm system and single-chip microcomputer electricly connect, described power module device also comprises the main power circuit device, backup battery, storage battery passes through the ACC electric supply installation respectively to the motor drive module device, the single-chip microcomputer power supply, under the condition of ACC electric supply installation dead electricity, described main power circuit device is to single-chip microcomputer, the power supply of backup battery device, whether the motor drive module device is powered by the single-chip microcomputer decision, under the condition of described main power circuit device dead electricity, by backup battery to single-chip microcomputer, the alarm system power supply, it also comprises wireless remotecontrol receiver module device; The system supplymentary cell arrangement.

Below in conjunction with Fig. 2, Fig. 3 control procedure of the present utility model is described:

The power module device comprises resistance R 64, R65, R99, R2, R36, diode D4, D11, D10, D12, D5, triode Q2, Q3, capacitor C 22, C2, C3, C4, voltage-stabiliser tube Z1, Z2, reserve battery BAT1, three terminal regulator U1, U7, U8, wherein: diode D4, D11, triode Q2, Q3, capacitor C 22, voltage-stabiliser tube Z1, Z2, R64, R65, R99 forms the main power circuit device, the driving power of system has+15V and+two kinds of 5V, under the general normal condition, power supply is by ACC (external cell wiring) power supply, and system can select to be powered by the main power circuit device under the situation of ACC dead electricity or undertension.Single-chip Controlling Q ₃, make Q ₃Be in conducting state, and Q ₃The conducting meeting make Q ₂Conducting simultaneously, the electric weight of main power source will be added to the part of reason ACC power supply like this, in order to prevent the conflict in the use of such two parts power supply, so used diode D5 and D10 on node, prevents that power supply from producing the reverse charge phenomenon each other.Adopt U1 as main driving power+the 15V electric power system, the driving power of drive part is provided.Adopt U8 generation+5V power supply, for the control power supply of drive part; Single-chip microcomputer employing+5V power supply, for isolation drive power supply and master control power supply, system independently uses the power supply of a slice U7 generation+5V power supply, make that control is safer, and the multi-line power supply is adopted in the power supply of its prime, driving power is supplied with by D12, and the voltage stabilizing circuit that is made of R99, Z1, Z2, C22 produces equally+and the 15V power supply supplies with by D11, and the supply of this part power supply also provides the charge power supply of backup battery simultaneously; The design like this of power module device is because consider under the situation of ACC short of electricity, control system still can continue to provide driving power by auto switching electric source, electric motor car can be walked on. the power supply of the multi-line of single-chip microcomputer makes that the microcontroller power supply when phase in office can be continuously every changing, setting up in order to unload the back continuation at main battery of backup battery can be kept warning function and set up, because the electric weight that loses when treating machine testing of single-chip microcomputer is minimum, so the main power consumption of backup battery is in the driving of output back to buzzer of reporting to the police. generally adopt the rechargeable battery of 800mA/H just can keep warning about 1 hour.

The current detection module device comprises: resistance R 4, R5, R6, R7, R8, R9, R10, R55, R70, operational amplifier U9B, U9A, capacitor C 19, C29.It adopts high-precision integrated operational amplifier U9 to carry out overcurrent comparison and current conversion: R55 is a sampling resistor, material adopts constantan, its resistance is about 200m Ω. and the electric current that drive motors produces is the resistance process thus, according to the V/A characteristic, will produce certain voltage at these resistance two ends, this voltage has been added to the anode input of U9 by R6, constituted an amplifying circuit that has integral characteristic by R7, R8, C19, U9 top 1 pin is just exported the AD module that offers single-chip microcomputer with the electric current corresponding voltage signal; Same; the voltage that sampling resistor is set up also is provided to the negative terminal of half amplifier in addition through R5; owing to there is not feedback resistance; this amplifier just becomes a comparator. and a voltage divider that is made of R9 and R10 has been set the test point of overcurrent. when detecting electric current greater than set point; the negative terminal current potential of this amplifier is higher than anode, and 7 pin of U9 will be exported the external interrupt system of a low level to single-chip microcomputer, allows single-chip microcomputer produce and interrupts; stop output, thus the protection drive circuit.

The motor drive module device partly is made up of beat generating portion and bottom layer driving: it comprises and door U4, not gate U5, NOR gate U3, U2, capacitor C 1, C5, C16, C10, K2, K1, C17, C6, C11, K3, K4, C18, C7, C12, K5, K6, C20, C24, C23, C71, diode D1, D7, D2, D8, D3, D9, resistance a1, a2, e1, b1, e2, b2, d1R, R40, a3, a4, e3, e4, b3, d2R, b4, R53, R52, R57, R17, R41, a5, e5, a6, e6, d3R, b5, b6, f3, R42, R77, R58, R60, R59, triode Q4, t1, t2, t3, n1, f1, n2, t4, Q5, t6, t5, n4, Q6, t9, t8, n5, n6, t7, driving tube V2, V3, V4, V5, V6, V7.Constitute an oscillator by R53, R52, C71 and one with door, single-chip microcomputer RC2 is the PWM output that drives, so just having constituted a PWM output that is modulated on the concussion frequency. the RB2 of the beat generative circuit single-chip microcomputer that is made of U4, U5, U3, U2 is to drive port to RB7, through controlling the break-make of six brachium pontis behind the beat maker; The drive part of bottom adopts the discrete device autonomous Design.Constituted the drive system of the upper arm that W goes up mutually by Q4, a1, t1, D7, e1, D1, t2. when Q4 is in conducting, make the base stage level of t1 descend, make the t1 conducting, + 15V driving power is by the arrived base stage of t2 of D1, t2 ends, power supply just has been added to the control end of upper arm by D7 and e1, thereby makes the actuating arm conducting; Constitute the drive system of the underarm of W phase by b1, t3, a2, b2, f1, n2. when drive control signal (b2 and f1 node) is low level, the b1 conducting, n2 ends, the conducting meeting of b1 makes the t3 conducting, + 15V power supply has just arrived the control end of underarm by t3, thereby makes the actuating arm conducting. and the control analysis of all the other phases is identical.

Wireless remotecontrol receiver module device can satisfy functions such as the user seeks car, locks, release.It comprises inductance L 2, L3, L4, capacitor C 106, C107, C108, C109, C110, C111, C112, C113, C114, resistance R 106, R107, R108, R109, R110, R111, R112, R113, R114, R115, R116, R117, R118, R119, R120, R121, triode Q20, Q21 operational amplifier U10C, U10D adopt the FSK modulation.Radio signal enters controller by antenna, pass through L2, the C106 induction produces weak electric signal, be coupled to the base stage of Q20 again by C107, through after the amplification of Q20, enter by C110 after straight processing through C108, the frequency-selective network that L4 forms. by C110, L4, Q21, L3, the frequency-selective network that C111 forms carries out frequency-selecting to Q20 through the signal after amplifying, making valid wireless electricity frequency enter subordinate handles, by by R113, the low pass filter that C112 forms demodulates useful signal, by entering subordinate's processing and amplifying after certain integral processing, R114, R115, C113 constitutes the weak integral circuit, U10 is the operational amplifier of a slice Unit 4, R116, after the signal that the amplifying circuit that R117 and U10-3 constitute gets off to the prime integration amplifies, enter again by R118, R119, R120, R121, the shaping circuit that U10-4 forms, waveform is carried out shaping, thereby make single-chip microcomputer receive effective signal, improve antijamming capability.

Antitheft detection module device comprises inductance HL1, resistance R 100, R101, R102, R104, R105, R106, C101, C103, C104, C105, operational amplifier U10A, U10B, diode D101, D102.It adopts the mode of shock detection to discern bicycle, and whether to be in stolen state .HL1 be a Hall shock sensor, it is made up of a coil and a high magnetic rate magnetic element, this magnetic element is fixed on the vibrations spring. when electric motor car is under the stolen state, because the effect of exterior latch must produce violent vibrations, the magnetic element that is fixed on the vibrations spring is shaken. because magnetic element is in vertical installation with coil, the vibrations of magnetic element make the magnetic field that it produces shake, thereby produce induced electromotive force on coil.Be coupled to the amplifying circuit of forming by R101, R102, C103, U10-1 through C101, signal is through amplifying the back by the D101 rectification, generate effective value after C104, the C105 filtering, the size of this value is directly proportional with the severe degree of vibrations, R104, be one and recover resistance, after vibrations disappear, induced voltage can be eliminated by it, whether reach alarm point and differentiate the signal that current vibrations produce, the report to the police critical point of output of the voltage ratio decision of R105, R106 by the comparator that R106, R105, U10-2 form.This voltage divider is high more at the level that the operational amplifier negative terminal produces, and the alarm point degree is high more. and after producing effectively warning, low level alarm signal of operational amplifier output is to single-chip microcomputer.

It comprises diode D103, capacitor C 99, resistance R 96, R97, R98, transformer BT1, triode Q18, Q19 alarm system; the BTL circuit is adopted in its voice output; BUZ is the voice output port of single-chip microcomputer; D103 is a port protection diode; the output that after straight the processing, promotes Q19 by C99; Q19, Q18 form compound promotion circuit, are coupled to the two ends of loud speaker through BT1 (transformer) after the signal of BUZ port is amplified, thereby send the alarm sound of high-decibel.

The external detection cell arrangement comprises circuit such as battery electric quantity detects, the detection of control power supply, speed control detection, brake system, and battery electric quantity detects and comprises resistance R 11, R56, R3, R71, C21; The control power supply detects and comprises resistance R 15, R14, and speed control detects and comprises resistance R 32, R37, R39, capacitor C 27, speed-limiting switch SW2; Brake system comprises resistance R 33, R34, R35, R44, R45, capacitor C 28, triode Q1, and L, H are brake.

Single-chip microcomputer comprises U6, resistance R 16, R18, R19, R20, R21, R22, R23, R12, R29, R30, R31, R50, R49, R51, capacitor C 26, C32, C31, C30 and J1, the RA5 of the single-chip microcomputer control that is used to brake, be in braking state during low level. in order to satisfy the compatibility of different brakes, the ad hoc outside height of counting, two kinds of control modes of low level, when the outside is the low level brake, be connected to " brake L ", this moment, the level of control port was dragged down by D6, make single-chip microcomputer obtain brake signal, R34 is a pull-up resistor, guarantees just often, and the level of this test point is high.If the outside is the high level brake, that must be connected to brake signal: " brake H ".High level makes Q1 conducting, the conducting of Q1 make that the level of brake test point is drop-down by the dividing potential drop of R44, R45, finishes the conversion of brake signal.

The system supplymentary cell arrangement comprises outer lock application, run mode output unit, status display unit, reset unit, and described outer lock is used and comprised resistance R 95, R94 and outer lock switch SW 1; Described run mode output unit comprises resistance R 62, R63, R61, triode Q7; Described status display unit comprises resistance R 38, LED; Described reset unit comprises resistance R 13, capacitor C 25.

The AD3 of single-chip microcomputer is used for speed and detects, and the handgrip signal enters single-chip microcomputer by the low pass filter of R37, C32, and it is a divider resistance that is used for speed limit that the input that speed control signal generally satisfies single-chip microcomputer requires .R39.When speed-limiting switch SW2 close and, when being in the speed limit state, speed control signal will be by dividing potential drop, thus the upper limit of control maximum speed.

The voltage divider of R56, R3, R11 carried out the dividing potential drop detection to ACC during battery electric quantity detected, when ACC voltage reduces, voltage on the voltage divider also reduces, single-chip microcomputer just can have been learned the information of ACC (battery) electric weight like this, when the ACC brownout, single-chip microcomputer just can be changed the power supply of drive part as required.

AD2 is used to detect Single-chip Controlling voltage, the change of single-chip microcomputer voltage can change the reading value of external detection point in single-chip microcomputer inside, the control power supply detects the R15 that is provided with, the reading of R14 voltage divider is to change with control voltage, thereby stable inner numerical value, thereby improve the control precision of control.

Claims

1, electric bicycle controller, it comprises the power module device, the current detection module device, the motor drive module device, single-chip microcomputer, the external detection cell arrangement, between electricly connect, described power module device comprises the ACC electric supply installation, it is characterized in that: it also comprises antitheft detection module device and alarm system, described antitheft detection module device and alarm system and single-chip microcomputer electricly connect, described power module device also comprises the main power circuit device, backup battery, storage battery passes through the ACC electric supply installation respectively to the motor drive module device, the single-chip microcomputer power supply, under the condition of ACC electric supply installation dead electricity, described main power circuit device is to single-chip microcomputer, the power supply of backup battery device, whether the motor drive module device is powered by the single-chip microcomputer decision, under the condition of described main power circuit device dead electricity, by backup battery to single-chip microcomputer, the alarm system power supply.

2, according to the described electric bicycle controller of claim 1, it is characterized in that: it also comprises wireless remotecontrol receiver module device.

3, according to the described electric bicycle controller of claim 1, it is characterized in that: it also comprises the system supplymentary cell arrangement.