CN103230671A - Electric skateboard control system - Google Patents
Electric skateboard control system Download PDFInfo
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- CN103230671A CN103230671A CN2013101707759A CN201310170775A CN103230671A CN 103230671 A CN103230671 A CN 103230671A CN 2013101707759 A CN2013101707759 A CN 2013101707759A CN 201310170775 A CN201310170775 A CN 201310170775A CN 103230671 A CN103230671 A CN 103230671A
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Abstract
The invention provides an electric skateboard control system belonging to the technical field of electric skateboards and solving the problems that an existing electric skateboard is easily interfered when being remotely controlled and a motor is low in working efficiency. The electric skateboard control system comprises a remote controller circuit part and a skateboard circuit part, wherein the remote controller circuit part comprises a remote controller processor and a control signal sending module, the remote controller processor is electrically connected with a control switch and a control signal sending module of a remote controller, the skateboard circuit part comprises a control signal receiving module and a skateboard processor, and the skateboard processor is connected with a motor drive module for controlling the motor to act. The electric skateboard control system also comprises a distance control device used for monitoring the distance between a skateboard and the remote controller, and when the distance exceeds a set value, the distance control device controls the skateboard to stop operating through the remote controller processor. The electric skateboard control system has the advantage that because the distance control device for accurately controlling the distance is additionally arranged, the skateboard can be controlled to be immediately stopped when a user is far away from the skateboard, and the safety is improved.
Description
Technical field
The invention belongs to the electric return board technical field, relate to a kind of electric return board control system.
Background technology
Electric return board is in the later stage nineties, develops on the basis of common slide plate and comes, and its profile and common slide plate are similar, plank, a four wheels, does not have handlebar, does not have mechanical brake, adopts controlled in wireless, and max. speed above 40 kms/hour.Powerful motivation has been arranged, just can break away from the restriction of half-pipe, can do high-speed, highly difficult action in various landform, can on square, road, gallop at a high speed.In most of American-European countries, slide plate can be used as the vehicles, and therefore, the motion of electric return board collector limit, amusement and recreation, the vehicles have vast market prospect.
The control system of electric return board, similar with remote-controlled electric toy on topological structure, by remote controller, receiving circuit, formations such as Electric Machine Control, motor, but performance requirement and circuit structure are essentially different.Because the people is onboard, high-speed, do not have handlebar, do not have mechanical brake, adopt controlled in wireless, therefore security of products has been proposed very high requirement: its electric machine control system not only requirement can smoothly adjustable-speed, and can realize whole brake functions; Its wireless telecommunication system requires good in anti-interference performance, reliable and stable, and must realize distance control, and the people leaves car to be needed more than 3 meters to realize automatic stopping.
" control device of electric return board " that provides as Chinese patent, its Granted publication number is CN2782171Y, the control device of this electric return board comprises hand held wireless control signal generator, electric return board is provided with the control signal receiver, the motor action of control signal receiver control electric return board after signal is handled, the housing of hand held wireless control signal generator is provided with the signal transport part, slide plate is provided with conductor, conductor is the receiving terminal of control signal receiver, is electrically connected between conductor and control signal receiver.
In the above-mentioned patent, adopt the LF wave band frequency modulation wireless telecommunications about 280KHz, utilize the electric conductivity of human body that control signal is delivered to electric return board from remote controller, and do not launch field signal outward.Adopt so low frequency, avoided various radio application frequencies such as broadcasting station on the one hand, can well realize on the other hand closely reliably controlling, accomplish that the people is from namely stopping.The defective of this technical scheme is: 1, to the speed governing of dc motor, generally adopt pulsewidth modulation (PWM) mode, adopt power semiconductor components such as MOSFET, IGBT to realize the powerful control of big electric current, it turns on and off process all can produce radio interference to the signal receiving circuit on the slide plate, and frequency more high interference is more big.Be subjected to the restriction of LF wave band communication frequency, the PWM frequency can only be below 1KHz.Yet according to the inductance value of motor winding, the PWM frequency need reach more than certain numerical value, and electric current is only relative stable and continuous in the motor winding.Therefore the current of electric of this product is that pulse type is discrete, and current peak is very big, causes that Motor torque is little, efficient is lower, heating is big, and such technical scheme is not suitable for brushless electric machine and lithium battery yet, therefore, and previous generation product heaviness, poor efficiency.2, the LF wave band frequency modulation wireless telecommunications about 280KHz can't be used the curing frequency device, can only use backward middle week, adopt the method for LC resonance to determine transmitting-receiving frequency, thereby frequency stability are poor, influences the signal transmission effect.
Summary of the invention
The objective of the invention is the existing the problems referred to above of control system at existing electric return board, and proposed a kind of safe and reliablely, can accurately realize the electric return board control system of distance control.
Purpose of the present invention can realize by following technical proposal: a kind of electric return board control system, comprise remote control circuitry part and slide plate circuit part, remote control circuitry partly comprises remote controller processor and control signal sending module, the remote controller processor is electrically connected with control of remote controller switch and control signal sending module, described slide plate circuit part comprises control signal receiver module and slide plate processor, the slide plate processor is connected with the motor drive module of control motor action, it is characterized in that, described control system also comprises the distance control device for monitoring slide plate and remote controller spacing, when spacing surpassed setting value, distance control device shut down by above-mentioned remote controller processor control slide plate.
The user controls advancing, retreat, accelerate, slow down, brake or stopping of slide plate by the gauge tap on the remote controller, gauge tap is the combination of potentiometer and press button, it sends to the remote controller processor with operation signal, after the remote controller processor carries out analyzing and processing, corresponding control signal is sent to the control signal receiver module of slide plate circuit part by the control signal sending module.After the control signal receiver module receives control signal, be transferred to the slide plate processor and analyze, handle, and finally control motor action by motor drive module, reach the purpose of remote control control slide plate.
The people is on slide plate the time, at any time possibly can't balance and jump off even throw, this moment since anxiety differ and sending the brake instruction surely, if there is not distance control device, do not have the slide plate of load will rush out farly, the slide plate on next door, pedestrian, vehicle will chain reaction be fallen down a sheet of.In the control system running, distance control device keeps running status constantly, the spacing between monitoring remote controller and the slide plate.In the time of in spacing is in safe range, distance control device is not interfered the normal remote control operation of remote controller; When the people left spacing that slide plate makes remote controller and slide plate and surpasses certain setting value, distance control device shut down by above-mentioned remote controller processor control slide plate, makes slide plate can follow the people closely and in time stops.
In above-mentioned a kind of electric return board control system, described distance control device comprises range finding electric field signal transmitter module, range finding electric field signal receiver module and conduction conductor, range finding electric field signal transmitter module is arranged on the slide plate and with the slide plate processor and is electrically connected, range finding electric field signal receiver module then is arranged on the remote controller and with the remote controller processor and is electrically connected, conduction conductor conduction range finding electric field signal.
Range finding electric field signal transmitter module sends the range finding electric field signal, the range finding electric field signal is with range attenuation, range finding electric field signal receiver module receives above-mentioned range finding electric field signal, and be transferred to the remote controller processor, the remote controller processor carries out analyzing and processing to the range finding electric field signal, according to the distance of signal strength signal intensity judgement remote controller and slide plate, the Selective Control motor stops.Motor and remote controller are far away, therefore can not produce the course of work of range finding electric field signal receiver module and disturb.
In above-mentioned a kind of electric return board control system, described range finding electric field signal transmitter module comprises the emission conductor and can produce the MCU of CF LF signal, MCU and emission conductor and the electric connection of above-mentioned slide plate processor, and above-mentioned conduction conductor is human body.The LF signal of this moment carries out closely radiation as the range finding electric field signal, the LF audio range frequency is low, electric field signal is very big with range attenuation, can't be used for wireless telecommunications, generally carry out wireless telecommunications with field signal, therefore, LF wave band electric field interference ratio magnetic field is few in the reality, and utilize the conduction of human body, can the very effective people of distinguishing on slide plate, still leave slide plate.
In above-mentioned a kind of electric return board control system, described emission conductor is metal forming.Metal forming can be Copper Foil or aluminium foil, and operated by rotary motion just can realize purpose of the present invention as long as satisfy the conductor that sends the range finding electric field signal under the plate face of slide plate, be not subjected to the restriction of mounting means or shape.
In above-mentioned a kind of electric return board control system, described control signal receiver module comprises antenna and radio circuit, and radio circuit is connected with the slide plate processor with antenna, and the control signal that is used for antenna is received is transferred to the slide plate processor.
In above-mentioned a kind of electric return board control system, described range finding electric field signal receiver module comprises reception conductor and LF receiving circuit, the LF receiving circuit with receive conductor and remote controller processor and be connected, be transferred to the remote controller processor after being used for receiving the LF signal processing that conductor receives.
In above-mentioned a kind of electric return board control system, described LF receiving circuit adopts the CF of MCU generation as local oscillation, utilizes the frequency sum to export as mixing, and realizes frequency-selecting and demodulation with solidifying frequency device.
The LF receiving circuit adopts MCU to produce specific frequency as local oscillation, utilize the frequency sum to export as mixing, adopt ceramic filter and the ceramic discriminator of 455KHz to realize frequency-selecting and demodulation afterwards, do like this and be equivalent to realize on the basis of traditional Analogous Integrated Electronic Circuits digital synthetic frequency, and adopted the curing frequency device, guarantee the reliable and stable of frequency, do not had the frequency drifting problem in the documents, also guaranteed well selective and antijamming capability of receiving circuit.
In above-mentioned a kind of electric return board control system, described reception conductor is metal forming or sheet metal.Metal forming can be Copper Foil, aluminium foil or sheet metal etc., is positioned at remote controller handle (position of shaking hands in other words), can be hidden in the plastic casing body, also can expose, as long as can receive the range finding electric field signal of coming from the human body conduction.
In above-mentioned a kind of electric return board control system, described control signal sending module comprises antenna and radio circuit, and radio circuit is connected with antenna and remote controller processor.
In above-mentioned a kind of electric return board control system, adopt the double-direction radio communication between described control signal sending module and the control signal receiver module.
The control signal sending/receiving module adopts the double-direction radio communication of 2.4GHz (the being not limited to 2.4GHz) ISM band of conventional opening, owing to be the double-direction radio communication, not only remote controller can send control information, the action of the motor of control slide plate, and the running state information of slide plate can be passed demonstration back, the service that this two-way communication also provides receiving-transmitting sides to link up for range-measurement system.
In order to overcome the defective of prior art; must abandon LF wave band radio communication and control slide plate, just select the 2.4GHzISM frequency range of the opening of current maturation, but because the particularity of slide plate; lost security, just need set up above-mentioned distance control device and be protected.
In above-mentioned a kind of electric return board control system, also comprise the security protection software module in the described slide plate processor, when the control signal communication was interfered, safety protection module was controlled the motor smooth deceleration until parking by the slide plate processor.When system is disturbed, can protect the safety of people on slide plate, prevent from falling down.
Compared with prior art, this electric return board control system by the metal forming on the slide plate to the range finding of radiation LF wave band closely electric field signal, remote controller receives this range finding electric field signal and comes judging distance, realized relatively accurately range finding control, distance control is effective, reliable and stable, the security of raising slide plate.Transmitting terminal adopts accurately stable LF signal of MCU numeral frequency synthesis, receiving terminal utilizes the mixting circuit of narrow-band FM receiving chip, PWM frequency in conjunction with MCU, realize digitized frequency synthesis, can adopt the curing frequency device, reliable and stable, with low cost, utilize traditional analog circuit to realize that at special frequency digitization frequencies is synthetic.In addition, it also has that circuit is reliable and stable, cost is low and advantage such as energy-conservation, the motor efficiency height, and the efficient of whole slide plate has improved, and runs fartherly, can reduce the battery weight reduction, adapts to brushless electric machine, brush motor and lithium battery etc., and is applied widely.Lithium battery energy height is in light weight, cooperates high efficiency brushless electric machine, be only the best slide plate of real performance of new generation, and this control system makes electric return board that the variation that updates take place, from the poor efficiency heaviness to light and handy efficient.
Description of drawings
Fig. 1 is the theory diagram of this electric return board control system.
The specific embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
In the present embodiment, the part english abbreviation is defined as follows:
MCU Micro Control Unit, Chinese is micro-control unit, claims single-chip microcomputer again;
FM Frequency Modulation, frequency modulation;
One of wave band of LF radio wave, long wave is low frequency in other words, and frequency is at 30-300kHz;
PWM Pulse Width Modulation, pulse width modulation is called for short pulsewidth modulation, is to utilize the numeral of microprocessor to export a kind of very effective technology that analog circuit is controlled.
This electric return board control system comprises remote control circuitry part, slide plate circuit part and distance control device, and remote control circuitry partly is arranged among the hand-held remote control unit, cooperates button operation that the running status of electric return board is controlled.The slide plate circuit part then is arranged on the slide plate, is responsible for receiving corresponding control signal drive motors work.
As shown in Figure 1, the slide plate circuit part comprises range finding electric field signal transmitter module, slide plate processor and control signal receiver module, range finding electric field signal transmitter module comprises the emission conductor and can produce the MCU of LF signal that MCU is electrically connected with emission conductor and above-mentioned slide plate processor.The control signal receiver module comprises antenna and radio circuit, and radio circuit is connected with antenna and slide plate processor, and the control signal that is used for antenna is received is transferred to the slide plate processor.
MCU wherein can be any brand and model, but require its timer units to have PWM pulsewidth modulation fan-out capability and frequency can conveniently be set, can digital frequency synthesis accurate stable LF signal, (amplifying circuit can adopt cheap OTL power amplification circuit to this signal demand through simple power amplification, also can adopt MC4422 etc.), pass through LC resonance again, can obtain about peak value and be tens volts sine voltage, this voltage is connected on the emission conductor of 100 to 1000 sq, to the range finding of radiation LF wave band closely electric field signal, the range finding electric field signal arrives on the hand-held remote controller by the human body conduction by the emission conductor on the slide plate.In the present embodiment, the emission conductor is metal formings such as Copper Foil or aluminium foil, and operated by rotary motion just can realize purpose of the present invention as long as satisfy the conductor that sends the range finding electric field signal under the plate face of slide plate, be not subjected to the restriction of mounting means or shape.
Remote control circuitry partly comprises range finding electric field signal receiver module, remote controller processor and sending module, range finding electric field signal receiver module comprises reception conductor and LF receiving circuit, the LF receiving circuit is connected with reception conductor and remote controller processor, the control signal sending module comprises antenna and radio circuit, and radio circuit is connected with the remote controller processor with antenna.In the present embodiment, the reception conductor is metal forming or sheet metals such as Copper Foil, aluminium foil, is positioned at remote controller handle (position of shaking hands in other words), can be hidden in the plastic casing body, also can expose, as long as can receive the range finding electric field signal of coming from the human body conduction.
Receive conductor and receive the LF range finding electric field signal that above-mentioned slide plate circuit part sends, by the processing of LF receiving circuit, and be transferred to the remote controller processor, judge distance between slide plate and the remote controller by the remote controller processor according to signal strength signal intensity.When the people stands on the slide plate, the various normal operatings that realize by remote controller all can send corresponding control signal by remote controller processor, radio circuit and a day alignment slide plate, antenna on the slide plate receives control signal, and be transferred to the slide plate processor by radio circuit, after slide plate processor analyzing and processing, by motor drive module control motor action, simultaneously, LF range finding electric field signal also can be received smoothly by the human body conduction.After the people left slide plate, the conduction difficulty of LF range finding electric field signal strengthened, decay obviously, when the distance of remote controller and slide plate surpasses about 3 meters, the transmission of control signal sending module stops the control signal of motor action, and slide plate can in time be stopped.
The LF receiving circuit adopts cheap narrow-band FM receiving chip, as MC3361, MC3357 etc.The narrow-band FM receiving chip adopts typical superhet structure mostly, include circuit modules such as high frequency amplification, local oscillation, mixing, intermediate frequency amplification, frequency discrimination, and its mixting circuit all adopts analog multiplier.
Among the application, adopt cheap MCU to produce LF wave band FM range finding electric field signal, to radiated electric field closely, remote controller receives this range finding electric field signal and comes judging distance, has realized the distance control of relatively accurately surveying by the emission conductor on the slide plate.
Should be appreciated that, in claims of the present invention, specification, all " comprising ... " all are interpreted as open implication, and just its implication is equal to " containing at least ... ", and should not be construed as enclosed implication, namely its implication should not be construed " only comprising ... ".
Specific embodiment described herein only is that the present invention's spirit is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. electric return board control system, comprise remote control circuitry part and slide plate circuit part, remote control circuitry partly comprises remote controller processor and control signal sending module, the remote controller processor is electrically connected with control of remote controller switch and control signal sending module, described slide plate circuit part comprises control signal receiver module and slide plate processor, the slide plate processor is connected with the motor drive module of control motor action, it is characterized in that, described control system also comprises the distance control device for monitoring slide plate and remote controller spacing, when spacing surpassed setting value, distance control device shut down by above-mentioned remote controller processor control slide plate.
2. a kind of electric return board control system according to claim 1, it is characterized in that, described distance control device comprises range finding electric field signal transmitter module, range finding electric field signal receiver module and conduction conductor, range finding electric field signal transmitter module is arranged on the slide plate and with the slide plate processor and is electrically connected, range finding electric field signal receiver module then is arranged on the remote controller and with the remote controller processor and is electrically connected, conduction conductor conduction range finding electric field signal.
3. a kind of electric return board control system according to claim 2, it is characterized in that, described range finding electric field signal transmitter module comprises the emission conductor and can produce the MCU of CF LF signal, MCU and emission conductor and the electric connection of above-mentioned slide plate processor, and above-mentioned conduction conductor is human body.
4. a kind of electric return board control system according to claim 3 is characterized in that, described emission conductor is metal forming.
5. according to claim 1 or 2 or 3 or 4 described a kind of electric return board control systems, it is characterized in that, described control signal receiver module comprises antenna and radio circuit, and radio circuit is connected with the slide plate processor with antenna, and the control signal that is used for antenna is received is transferred to the slide plate processor.
6. according to claim 2 or 3 or 4 described a kind of electric return board control systems, it is characterized in that, described range finding electric field signal receiver module comprises reception conductor and LF receiving circuit, the LF receiving circuit with receive conductor and remote controller processor and be connected, be transferred to the remote controller processor after being used for receiving the LF signal processing that conductor receives.
7. a kind of electric return board control system according to claim 6, it is characterized in that, described LF receiving circuit adopts the CF of MCU generation as local oscillation, utilizes the frequency sum to export as mixing, and realizes frequency-selecting and demodulation with solidifying frequency device.
8. a kind of electric return board control system according to claim 6 is characterized in that, described reception conductor is metal forming or sheet metal.
9. according to claim 1 or 2 or 3 or 4 described a kind of electric return board control systems, it is characterized in that described control signal sending module comprises antenna and radio circuit, radio circuit is connected with antenna and remote controller processor.
10. according to claim 1 or 2 or 3 or 4 described a kind of electric return board control systems, it is characterized in that, adopt the double-direction radio communication between described control signal sending module and the control signal receiver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310170775.9A CN103230671B (en) | 2013-05-02 | 2013-05-08 | Electric skateboard control system |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320234307 | 2013-05-02 | ||
| CN201320234307.9 | 2013-05-02 | ||
| CN2013202343079 | 2013-05-02 | ||
| CN201310170775.9A CN103230671B (en) | 2013-05-02 | 2013-05-08 | Electric skateboard control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103230671A true CN103230671A (en) | 2013-08-07 |
| CN103230671B CN103230671B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320247086 Expired - Lifetime CN203232269U (en) | 2013-05-02 | 2013-05-08 | Electric skateboard control system |
| CN201310170775.9A Expired - Fee Related CN103230671B (en) | 2013-05-02 | 2013-05-08 | Electric skateboard control system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320247086 Expired - Lifetime CN203232269U (en) | 2013-05-02 | 2013-05-08 | Electric skateboard control system |
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| CN (2) | CN203232269U (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203232269U (en) * | 2013-05-02 | 2013-10-09 | 叶伟文 | Electric skateboard control system |
| CN105879367A (en) * | 2014-09-22 | 2016-08-24 | 周序安 | Electric skateboard light control system |
| WO2017077362A1 (en) | 2015-11-03 | 2017-05-11 | Koofy Development Limited | Self balancing single wheel board with shock absorber |
| USD797875S1 (en) | 2016-01-19 | 2017-09-19 | Koofy Development Limited | Skateboard |
| WO2017130177A1 (en) | 2016-01-31 | 2017-08-03 | Koofy Development Limited | Powered foot-deck-based vehicle with intuitive control |
| USD827747S1 (en) | 2016-03-14 | 2018-09-04 | Koofy Innovation Limited | Skateboard |
| CN106864717B (en) * | 2017-01-23 | 2018-11-09 | 东莞亿动智能科技有限公司 | Underwater propeller and its control system and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29822150U1 (en) * | 1998-12-15 | 1999-08-12 | Rasokat, Thomas, Dipl.-Kaufm., 20253 Hamburg | Radio-controlled on-board computer for inline skates |
| CN1292299A (en) * | 1998-11-11 | 2001-04-25 | 崔重威 | Power skateboard |
| CN2780270Y (en) * | 2004-06-25 | 2006-05-17 | 沈新法 | Control device of power slide board |
| CN2782171Y (en) * | 2005-03-29 | 2006-05-24 | 方根红 | Controller of electric scooter |
| CN203232269U (en) * | 2013-05-02 | 2013-10-09 | 叶伟文 | Electric skateboard control system |
-
2013
- 2013-05-08 CN CN 201320247086 patent/CN203232269U/en not_active Expired - Lifetime
- 2013-05-08 CN CN201310170775.9A patent/CN103230671B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1292299A (en) * | 1998-11-11 | 2001-04-25 | 崔重威 | Power skateboard |
| DE29822150U1 (en) * | 1998-12-15 | 1999-08-12 | Rasokat, Thomas, Dipl.-Kaufm., 20253 Hamburg | Radio-controlled on-board computer for inline skates |
| CN2780270Y (en) * | 2004-06-25 | 2006-05-17 | 沈新法 | Control device of power slide board |
| CN2782171Y (en) * | 2005-03-29 | 2006-05-24 | 方根红 | Controller of electric scooter |
| CN203232269U (en) * | 2013-05-02 | 2013-10-09 | 叶伟文 | Electric skateboard control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203232269U (en) | 2013-10-09 |
| CN103230671B (en) | 2015-06-24 |
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