CN203485781U - Scooter controller based on single-chip microcomputer - Google Patents
Scooter controller based on single-chip microcomputer Download PDFInfo
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- CN203485781U CN203485781U CN201320457933.4U CN201320457933U CN203485781U CN 203485781 U CN203485781 U CN 203485781U CN 201320457933 U CN201320457933 U CN 201320457933U CN 203485781 U CN203485781 U CN 203485781U
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Abstract
The utility model relates to a scooter controller based on a single-chip microcomputer. The scooter controller comprises a microprocessor single-chip microcomputer which is connected with a handle-turning input unit, a charging input unit, a braking input unit, a power voltage acquisition module, a motor power supply control module, a motor drive module, a pre-charging control module and a single-chip microcomputer failure protection module, so that intelligent control basis is provided for a scooter; and on the other hand, a power supply management module is added, so that a power supply is automatically turned off when a vehicle doesn't act in the set time by means of the timing function of the single-chip microcomputer, and over-discharge damage to the battery is effectively prevented.
Description
Technical field
The utility model relates to a kind of SCM Based scooter controller, belongs to battery-driven car control field.
Background technology
Kickboard Scooter is as toy car prevailing at present, and its universal trend is more and more obvious.In order to bring comfortable experience to Kickboard Scooter user; the control method of Segway Human Transporter is updated; from initial ball bearing made using, being driven into PWM governor controls; the functions such as Segway Human Transporter has had acceleration, slows down, stops, overvoltage protection, handle interlocking, have reached the target of safety control substantially.But, considering that on the basis of basic start-stop function and safe driving factor, energy saving also should be concerned.What first need solution is the problem of controller power consumption heat-dissipating, and because Kickboard Scooter power demand is little, generally adopting storage battery is motor power supply, and battery electric quantity is limited.Conventional skateboard vehicle controller is generally used simple circuit control, can meet its simple demand, seldom considers because the energy unreasonable and that cause of controller design is crossed consumption problem.On the other hand, for convenient, control, Kickboard Scooter is controlled the general main supply switch that adopts of design and is controlled main power source, before using, main supply switch is opened, control system powers in advance, and during use, only need rotate handle can power on to system, and main supply switch is opened, make to keep certain electric current in control system, to facilitate system to power on.As everyone knows; the overcharging and cross to put all of storage battery easily caused irreversible infringement to battery; although mostly taked the battery protection measure in driving process in skateboard control; but consider that in reality, using the crowd of Kickboard Scooter is minor or the less teenager of the experience of life mostly, the main supply switch that probably occurs finishing using is forgotten the situation of closing.Do not use for a long time, the electric current in system can continue consumes power, causes on the one hand the waste of electric energy, easily makes on the other hand battery cross and puts, infringement battery.Can meet the design of the above mentioned requirement for scooter controller, existing market not yet has product to occur, does not also have technical literature to record relevant design.
Utility model content
In order to address the above problem, the utility model has been developed a kind of SCM Based scooter controller, and it adopts micro controller system as microcontroller center, by rational design, Kickboard Scooter is realized to Based Intelligent Control, makes its function more diversified; On the other hand, by adding power management module, utilize the clocking capability of micro controller system, at vehicle, in the situation that attonity PTO Power Take Off automatically in the time of setting, effectively prevent from that battery from crossing to put infringement.
The technical scheme that the utility model provides comprises: a kind of SCM Based scooter controller, there is power interface and motor signaling interface, it is characterized in that, handle input block, charging input block, brake input block, be connected with described single-chip processor i/o interface;
Power line voltage acquisition module, is connected in described Chip Microcomputer A/D interface;
Motor power supply control module, is connected in described single-chip processor i/o interface;
Motor drive module, is connected in described SCM PWM interface;
Precharge control module, is connected in described single-chip processor i/o and A/D interface;
Micro controller system fail safe module, connects described Chip Microcomputer A/D interface;
Described motor power supply control module is connected with described main supply switch, charging input block, micro controller system fail safe module, precharge control module respectively;
Described motor drive module is connected with described precharge control module;
Described motor drive module is connected with motor signaling interface.
Further, described controller also comprises power management module, connects described single-chip processor i/o interface, and described handle input block is connected with described motor power supply control module with described power management module.
As the first preferred implementation of the present utility model, described motor drive module is comprised of resistance R 11, R39, R40, R62, polar capacitor C14, C16, common capacitor C 12, metal-oxide-semiconductor Q8, Q9, aerotron Q1, schottky diode D3 and half-bridge driver U4; Wherein said half-bridge driver U4 has function pin VCC, IN, DT/SD, GND, VBOOT, HVG, OUT, LVG;
Described motor-drive circuit connection mode is as follows:
The IN interface of described half-bridge driver U4 connects SCM PWM interface, the source electrode of DT/SD end connecting triode Q10, and Q10 grounded drain, base stage connects single-chip processor i/o interface as mouth by resistance R 11;
Resistance R 62 one end are connected with the DT/SD interface of half-bridge driver U4, other end ground connection;
The VCC interface of described half-bridge driver U4 connects 12V direct supply, and capacitor C 12 one end connect 12V direct supply, other end ground connection, polar capacitor C14 also ground connection in parallel with capacitor C 12;
Schottky diode D3 is connected between the VCC interface and VBOOT interface of half-bridge driver U4, and VBOOT interface is connected by polar capacitor C16 with OUT interface, and OUT is connected with drive motor negative pole as output interface;
HVG interface is connected with metal-oxide-semiconductor Q8 base stage by resistance R 39, and metal-oxide-semiconductor Q8 source electrode connects motor negative pole, and drain electrode connects motor positive pole;
LVG interface is connected with metal-oxide-semiconductor Q9 base stage by resistance R 40, and the R45 in the current collection circuit in metal-oxide-semiconductor Q9 source electrode order machine fail safe module is connected, and drain electrode connects motor negative pole.
As the utility model the second preferred embodiment, described motor drive module is by resistance R 22, R23, R24, R25, R26, polar capacitor C6, and positive-negative-positive triode Q14, NPN type aerotron Q15, Q16, metal-oxide-semiconductor Q11, Q13 form, wherein
Triode Q15 base stage connects 5V direct supply, and resistance R 23 is series between Q15 base stage and SCM PWM interface;
Aerotron Q15 drain electrode is connected with SCM PWM interface by resistance R 24;
Aerotron Q15 source electrode connects aerotron Q14 base stage, and is connected with 12V direct supply by resistance R 22; Q14 drain electrode connects 12V direct supply, polar capacitor C6 one end and Q14 drain electrode, other end ground connection; Aerotron Q14 is connected with aerotron Q16 source electrode, Q16 grounded drain, and its base stage is connected with SCM PWM interface by resistance R 25;
Metal-oxide-semiconductor Q13 base stage is connected with Q14 source electrode by resistance R 26, and drain electrode is connected source electrode with metal-oxide-semiconductor Q11 with motor negative pole, and metal-oxide-semiconductor Q13 drain electrode is connected with current collection circuit; Metal-oxide-semiconductor Q11 base stage is connected with drain electrode, and source electrode is connected with motor positive pole and precharge control circuit.
Preferably, described micro controller system is PIC16F1508 type micro controller system.
Accompanying drawing explanation
Fig. 1 is each module of controller and interface microcontroller connection diagram;
Fig. 2 is each module connection structure of controller figure;
Fig. 3 is motor power supply control module circuit diagram;
Fig. 4 is micro controller system fail safe module circuit diagram;
Fig. 5 is current acquisition module circuit diagram;
Fig. 6 is power management module circuit diagram;
Fig. 7 is the first embodiment of motor drive module;
Fig. 8 is the second embodiment of motor drive module;
Fig. 9 is precharge control module circuit diagram;
Figure 10 is the utility model controller operating process schematic diagram.
The specific embodiment
As shown in the figure, controller provided by the utility model comprises the power interface for being connected with power supply, for the driving interface being connected with drive motor, for the handle input interface being connected with handle.Controller circuitry comprises following circuit module: microprocessor micro controller system, is provided with A/D interface, pulse-width modulation PWM interface, I/O interface; Centered by micro controller system, be respectively arranged with handle input circuit, connect and be connected with handle input on the one hand, be connected with single-chip processor i/o interface on the other hand; Brake input circuit, is connected with single-chip processor i/o interface; Charging input circuit, is connected with battery on the one hand, connects I/O interface be on the other hand connected with micro controller system; Power line voltage acquisition module, by resistance R 2, resistance R 3, capacitor C 1 forms, and resistance R 2 is connected between Chip Microcomputer A/D interface and bus switch, and resistance R 3 one end are connected with A/D interface, other end ground connection; Capacitor C 1 one end is connected with A/D interface, other end ground connection, and this module is used for gathering power line voltage V1.Motor power-supplying circuit, by resistance R 14, resistance R 16, resistance R 21, main relay JD1, aerotron Q5, diode D1 forms.Described relay switch both sides connect respectively precharge control circuit and power bus switch; Relay J D1 coil both sides are connecting triode Q5 source electrode and handle input circuit respectively; Aerotron Q5 grounded drain, base stage contact resistance R21 one end, resistance R 21 other ends connect single-chip processor i/o interface; Diode D1 is parallel to relay J D1 coil two ends, and anode is connected with aerotron Q5 source electrode; Resistance R 14 one end are connected with resistance R 16 and are connected in single-chip processor i/o interface, and the other end is connected with diode D1 negative electrode, resistance R 16 other end ground connection.In addition, this controller is also provided with lower module:
Precharge control module, connect on the one hand micro controller system, connect on the other hand motor power-supplying circuit, precharge control module comprises precharge control circuit, filter capacitor and capacitance voltage acquisition module, wherein filter capacitor is connected with motor power-supply controller, and is connected with capacitance voltage Acquisition Circuit; Capacitance voltage Acquisition Circuit is connected between filter capacitor and Chip Microcomputer A/D mouth; Precharge control circuit is connected between filter capacitor and single-chip processor i/o mouth.Specifically by following electronic component, formed: resistance R 27, resistance R 28, resistance R 29, resistance R 30, resistance R 33, resistance R 34, capacitor C 9, C19, polar capacitor C11, C15, and aerotron Q6 and aerotron Q7.Wherein polar capacitor C11 is connected relay J D1 switch with polar capacitor C15 is anodal, and negative earth, plays the effect of filter capacitor.Electric capacity R27 one end connects relay J D1 switch, and the other end is connected with Chip Microcomputer A/D interface; Resistance R 28 one end are connected Chip Microcomputer A/D interface, other end ground connection jointly with resistance R 27; Capacitor C 9 one sides and resistance R 28, the common Chip Microcomputer A/D interface that connects of resistance R 27, opposite side ground connection, above resistance R 27, resistance R 28, capacitor C 9 forms filter capacitor voltage acquisition submodule, can gather filter capacitor voltage V2.Positive-negative-positive aerotron Q6 base stage is connected with NPN type aerotron Q7 source electrode by resistance R 30, and aerotron Q6 source electrode is connected with relay J D1 switch by resistance R 34, and aerotron Q6 drain electrode is connected with bus switch; Resistance R 29 is parallel between the drain electrode and base stage of aerotron Q6; Aerotron Q7 grounded drain, base stage is connected as signal output part with single-chip processor i/o interface by resistance R 33.Arranging of precharge control module can prevent the adhesion of motor power-supplying circuit repeat circuit, effectively protects motor.After controller main supply switch closure, when system other parts condition complete, micro controller system gathers power line voltage V1 by power line voltage Acquisition Circuit, V1 meets service conditions, system is carried out the preparation that powers on, now by Single-chip Controlling precharge control circuit, to filter capacitor C11 and C15, charged, and gather by capacitance voltage the voltage V2 that submodule gathers filter capacitor; Micro controller system waits for that the incoming signal of handle input circuit triggers, and compares V1 and V2 difference, and when this difference is less than setting value, Single-chip Controlling motor power-supplying circuit Operating In Persistent Current Mode, powers on to motor-drive circuit, then drive motor.
Motor drive module, connects motor power supply control module and filter capacitor on the one hand, is connected on the other hand SCM PWM mouth, and drives interface to be connected with motor.Its effect is that the driving signal of micro controller system output is converted into electric machine rotation signal, regulates motor speed etc.The first driving circuit that the utility model provides specifically comprises: resistance R 11, R39, R40, R62, polar capacitor C14, C16, common capacitor C 12, metal-oxide-semiconductor Q8, Q9, aerotron Q10, schottky diode D3, half-bridge driver U4, the preferred L6384 type of wherein said half-bridge driver U4 actuator, its function pin has VCC, IN, DT/SD, GND, VBOOT, HVG, OUT, LVG; Described motor-drive circuit connection mode is as follows: the IN interface of described half-bridge driver U4 connects SCM PWM interface, the source electrode of DT/SD end connecting triode Q10, and Q10 grounded drain, base stage connects single-chip processor i/o interface as mouth by resistance R 11; Resistance R 62 one end are connected with the DT/SD interface of half-bridge driver U4, other end ground connection; The VCC interface of described half-bridge driver U4 connects 12V direct supply, and capacitor C 12 one end connect 12V direct supply, other end ground connection, polar capacitor C14 also ground connection in parallel with capacitor C 12; Schottky diode D3 is connected between the VCC interface and VBOOT interface of half-bridge driver U4, and VBOOT interface is connected by polar capacitor C16 with OUT interface, and OUT is connected with drive motor negative pole as output interface; HVG interface is connected with metal-oxide-semiconductor Q8 base stage by resistance R 39, and metal-oxide-semiconductor Q8 source electrode connects motor negative pole, and drain electrode connects motor positive pole; LVG interface is connected with metal-oxide-semiconductor Q9 base stage by resistance R 40, and the R45 in the current collection circuit in metal-oxide-semiconductor Q9 source electrode order machine fail safe module is connected, and drain electrode connects motor negative pole.The use of metal-oxide-semiconductor Q8 and Q9 in driving circuit, replacing original is diode in road, can effectively reduce controller heat exhaustion.
In addition, for motor drive module, the utility model also provides another kind of circuit connecting form, compared with the embodiment of the first motor-drive circuit, can effectively reduce the cost of controller.The second embodiment of motor-drive circuit as shown in Figure 8, by resistance R 22, R23, R24, R25, R26, polar capacitor C6, positive-negative-positive triode Q14, NPN type aerotron Q15, Q16, metal-oxide-semiconductor Q11, Q13 form, and wherein triode Q15 base stage connects 5V direct supply, and resistance R 23 is series between Q15 base stage and SCM PWM interface; Resistance R 24 is series between Q15 drain electrode and SCM PWM interface; Aerotron Q15 source electrode connects aerotron Q14 base stage, and is connected with 12V direct supply by resistance R 22; Q14 drain electrode connects 12V direct supply, polar capacitor C6 one end and Q14 drain electrode, other end ground connection; Aerotron Q14 is connected with aerotron Q16 source electrode, Q16 grounded drain, and its base stage is connected with SCM PWM interface by resistance R 25; Metal-oxide-semiconductor Q13 base stage is connected with Q14 source electrode by resistance R 26, and drain electrode is connected source electrode with metal-oxide-semiconductor Q11 with motor negative pole, and metal-oxide-semiconductor Q13 drain electrode is connected with current collection circuit; Metal-oxide-semiconductor Q11 base stage is connected with drain electrode, and source electrode is connected with motor positive pole and precharge control circuit.
Micro controller system fail safe module, is mainly used in micro controller system fail safe.Comprise current collection circuit and micro controller system fail-safe circuit, wherein current collection circuit is connected with Chip Microcomputer A/D mouth with motor-drive circuit, crosses the electric current of motor-drive circuit for acquisition stream.Specifically comprise: resistance R 15, R17, R41, R42, R44, R45, R47, capacitor C 17 and C18, op amp U5A, wherein op amp U5A in-phase input end is connected with resistance R 44 one end with capacitor C 17, capacitor C 17 other end ground connection, resistance R 44 connect with R45 after ground connection; Op amp U5A inverting input is connected with resistance R 47 one end, resistance R 47 other end ground connection, resistance R 17 also ground connection in parallel with resistance R 47; Resistance R 15 and resistance R 41 are parallel between op amp U5A inverting input and mouth; Resistance R 42 one end are connected with op amp U5A mouth, and the other end is connected in Chip Microcomputer A/D interface; Capacitor C 18 one end are connected in Chip Microcomputer A/D interface, other end ground connection.Micro controller system fail-safe circuit, is connected between current collection circuit and motor power-supplying circuit.Specifically comprise: resistance R 12, R20, R53, R55, capacitor C 5, C7, diode D5, D6, aerotron Q12, op amp U5B, wherein: op amp U5B connects 12V direct supply, capacitor C 5 one termination 12V direct supplys, other end ground connection; Op amp U5B inverting input connects 5V DC current by resistance R 53, and resistance R 12 one end are connected with op amp U5B inverting input, other end ground connection, capacitor C 7 also ground connection in parallel with resistance R 12; Op amp U5B in-phase input end is by resistance R 20 ground connection; Op amp U5B mouth is connected with aerotron Q12 base stage by resistance R 55, and aerotron Q12 source electrode is connected with aerotron Q5 base stage in motor power-supplying circuit and resistance R 21; In addition, the connected resistance R 55 of diode D5 anode and op amp U5B mouth, negative electrode contact resistance R20 and op amp U5B in-phase input end, separately have diode D6 and diode D5 Opposite direction connection, and its anode is connected Chip Microcomputer A/D interface jointly with current collection circuit.The effect of this micro controller system fail safe module is, by current collection circuit, to micro controller system and micro controller system fail-safe circuit, send the outgoing current in motor-drive circuit: micro controller system detects the electric current I 1 flowing through in motor-drive circuit by current collection circuit, if this electric current I 1 is less than setting value with the difference of motor rated current I0, by Single-chip Controlling, adjusts this electric current I 1 to suitable electric current and feed back in motor-drive circuit with drive motor; If this electric current I 1 is greater than setting value with the difference of motor rated current I0, start micro controller system fail-safe circuit, disable motor power supply control, to play the effect of protection motor.
Power management module Main Function is not use for a long time vehicle and forget automatic PTO Power Take Off in the situation of closing general supply as user, to save electric energy, and protection battery.It specifically comprises: resistance R 1, R4, R6, R7, R9, R13, polar capacitor C3, C4, aerotron Q1, Q2, Q3, zener diode D4, voltage stabilizing chip U1, wherein: aerotron Q3 base stage is connected with single-chip processor i/o interface by resistance R 9, as mouth, ground connection after resistance R 13 is connected with aerotron Q3 base stage with resistance R 9, resistance R 17 is connected with handle input circuit with motor power-supplying circuit after being connected with aerotron Q3 base stage with resistance R 9; Aerotron Q3 grounded drain, source electrode is connected with aerotron Q2 base stage by resistance R 6, between source electrode and resistance R 6, can be connected a LED light; Aerotron Q2 drain electrode is connected with bus switch, and source electrode is connected with aerotron Q1; Resistance R 4 is connected between aerotron Q2 base stage and drain electrode; Aerotron Q1 drain electrode connects direct current 12V power supply, and base stage is by zener diode D4 ground connection, and resistance R 1 is connected between source electrode and base stage; Polar capacitor C4 mono-termination 12V direct supply, other end ground connection; Voltage stabilizing chip U1 input termination 12V direct supply, output termination 5V direct supply; Polar capacitor C3 mono-termination 5V direct supply, other end ground connection.Administration module powers on, if in the time t setting in advance at micro controller system, have handle input action, by micro controller system, to power management module, sends work order, and power management module self closing also powers on to micro controller system, and controller is normally worked; If handle attonity in the time t setting in advance at micro controller system, micro controller system sends out code to power management module, power management module shutdown system power supply, and to reduce electric quantity consumption, protection battery.The setting of this module, utilizes the clocking capability of micro controller system, at vehicle, in the situation that attonity PTO Power Take Off automatically in the time of setting, effectively prevents from that battery from crossing to put infringement.
Fig. 9 is the operating process schematic diagram that the utility model is controlled.Scooter controller comprises that controller powers on, controller self check, three kinds of states of controller work; The Main Function of self check is to check that whether each module status of controller is normal, for mode of operation is prepared; Its middle controller self check state can comprise that relay adhesion detection, precharge detection, power tube puncture detection, battery voltage detection, charging input detects and handle input detects several parts; Controller self check can comprise above-mentioned one or several part according to actual needs.After self check is passed through, controller enters mode of operation.
The working process of controller comprises the following steps:
A. detect cell pressure, if battery undervoltage, controller cuts out electric energy input, and controller is got back to readiness for action; If battery is not under-voltage, enter step b;
B. detect handle input, if handle without input, micro controller system enters time status, if handle surpasses setting-up time without input, controller power source is closed; If handle has input, micro controller system timing zero clearing, enters step c;
C. pre-charging functions detects, if pre-charging functions fault, not adhesive of control relay, closes input and output; If pre-charging functions is normal, enter steps d;
D. brake detects, if having brake input, the output of closing controller electric energy; If without brake input, controller is controlled electric energy output, enters step e;
E. current of electric detects, if current of electric is greater than setting value, micro controller system reduces PWM output, and then closes electric energy output; If current of electric in range of normal value, keeps electric energy output.
Claims (5)
1. a SCM Based scooter controller, has power interface and motor signaling interface, it is characterized in that, also comprises microprocessor micro controller system, and described microprocessor micro controller system is provided with A/D interface, pulse-width modulation PWM interface, I/O interface, battery isolator control; Also comprise
Handle input block, charging input block, brake input block, be connected with described single-chip processor i/o interface;
Power line voltage acquisition module, is connected in described Chip Microcomputer A/D interface;
Motor power supply control module, is connected in described single-chip processor i/o interface;
Motor drive module, is connected in described SCM PWM interface;
Precharge control module, is connected in described single-chip processor i/o and A/D interface;
Micro controller system fail safe module, connects described Chip Microcomputer A/D interface;
Described motor power supply control module is connected with described main supply switch, charging input block, micro controller system fail safe module, precharge control module respectively;
Described motor drive module is connected with described precharge control module;
Described motor drive module is connected with motor signaling interface.
2. scooter controller according to claim 1, is characterized in that, described controller also comprises power management module, connects described single-chip processor i/o interface, and described handle input block is connected with described motor power supply control module with described power management module.
3. scooter controller according to claim 1, it is characterized in that, described motor drive module is comprised of resistance R 11, R39, R40, R62, polar capacitor C14, C16, common capacitor C 12, metal-oxide-semiconductor Q8, Q9, aerotron Q1, schottky diode D3 and half-bridge driver U4; Wherein said half-bridge driver U4 has function pin VCC, IN, DT/SD, GND, VBOOT, HVG, OUT, LVG;
Described motor-drive circuit connection mode is as follows:
The IN interface of described half-bridge driver U4 connects SCM PWM interface, the source electrode of DT/SD end connecting triode Q10, and Q10 grounded drain, base stage connects single-chip processor i/o interface as mouth by resistance R 11;
Resistance R 62 one end are connected with the DT/SD interface of half-bridge driver U4, other end ground connection;
The VCC interface of described half-bridge driver U4 connects 12V direct supply, and capacitor C 12 one end connect 12V direct supply, other end ground connection, polar capacitor C14 also ground connection in parallel with capacitor C 12;
Schottky diode D3 is connected between the VCC interface and VBOOT interface of half-bridge driver U4, and VBOOT interface is connected by polar capacitor C16 with OUT interface, and OUT is connected with drive motor negative pole as output interface;
HVG interface is connected with metal-oxide-semiconductor Q8 base stage by resistance R 39, and metal-oxide-semiconductor Q8 source electrode connects motor negative pole, and drain electrode connects motor positive pole;
LVG interface is connected with metal-oxide-semiconductor Q9 base stage by resistance R 40, and the R45 in the current collection circuit in metal-oxide-semiconductor Q9 source electrode order machine fail safe module is connected, and drain electrode connects motor negative pole.
4. scooter controller according to claim 1, is characterized in that, described motor drive module is by resistance R 22, R23, R24, R25, R26, polar capacitor C6, and positive-negative-positive triode Q14, NPN type aerotron Q15, Q16, metal-oxide-semiconductor Q11, Q13 form, wherein
Triode Q15 base stage connects 5V direct supply, and resistance R 23 is series between Q15 base stage and SCM PWM interface;
Aerotron Q15 drain electrode is connected with SCM PWM interface by resistance R 24;
Aerotron Q15 source electrode connects aerotron Q14 base stage, and is connected with 12V direct supply by resistance R 22; Q14 drain electrode connects 12V direct supply, polar capacitor C6 one end and Q14 drain electrode, other end ground connection; Aerotron Q14 is connected with aerotron Q16 source electrode, Q16 grounded drain, and its base stage is connected with SCM PWM interface by resistance R 25;
Metal-oxide-semiconductor Q13 base stage is connected with Q14 source electrode by resistance R 26, and drain electrode is connected source electrode with metal-oxide-semiconductor Q11 with motor negative pole, and metal-oxide-semiconductor Q13 drain electrode is connected with current collection circuit; Metal-oxide-semiconductor Q11 base stage is connected with drain electrode, and source electrode is connected with motor positive pole and precharge control circuit.
5. according to the scooter controller described in claim 1～4 any one, it is characterized in that, described micro controller system is PIC16F1508 type micro controller system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457933.4U CN203485781U (en) | 2013-07-29 | 2013-07-29 | Scooter controller based on single-chip microcomputer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457933.4U CN203485781U (en) | 2013-07-29 | 2013-07-29 | Scooter controller based on single-chip microcomputer |
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| CN203485781U true CN203485781U (en) | 2014-03-19 |
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| CN201320457933.4U Withdrawn - After Issue CN203485781U (en) | 2013-07-29 | 2013-07-29 | Scooter controller based on single-chip microcomputer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407380A (en) * | 2013-07-29 | 2013-11-27 | 天津市松正电动汽车技术股份有限公司 | Scooter controller based on single chip microcomputer |
| CN110641606A (en) * | 2019-08-16 | 2020-01-03 | 安徽恒天电子科技有限公司 | Novel low-voltage brushless controller of electric vehicle |
-
2013
- 2013-07-29 CN CN201320457933.4U patent/CN203485781U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407380A (en) * | 2013-07-29 | 2013-11-27 | 天津市松正电动汽车技术股份有限公司 | Scooter controller based on single chip microcomputer |
| CN103407380B (en) * | 2013-07-29 | 2016-11-09 | 天津市松正电动汽车技术股份有限公司 | A kind of SCM Based scooter controller and control method |
| CN110641606A (en) * | 2019-08-16 | 2020-01-03 | 安徽恒天电子科技有限公司 | Novel low-voltage brushless controller of electric vehicle |
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