CN201287781Y - Digital sound dual-control device of electric vehicle - Google Patents
Digital sound dual-control device of electric vehicle Download PDFInfo
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- CN201287781Y CN201287781Y CNU2008201216855U CN200820121685U CN201287781Y CN 201287781 Y CN201287781 Y CN 201287781Y CN U2008201216855 U CNU2008201216855 U CN U2008201216855U CN 200820121685 U CN200820121685 U CN 200820121685U CN 201287781 Y CN201287781 Y CN 201287781Y
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Abstract
The utility model relates to a digital speech double controller for an electric vehicle, which comprises an SCM, a speed sensor, an overload sensor, an on-off signal module, a voltage comparator, a turning signal module, a trumpet signal module, a voice chip and a decoding module, wherein the voice chip is connected with a trumpet through an audio power amplifier, the decoding module is connected with a high frequency receiving module, the SCM can detect the obtained signals, and output different signals to trigger the voice chip, the voice chip can conduct the audio frequency amplification for different trigger signals, and then the trumpet can play the relative voice prompts. The double controller can conduct the real-time monitoring for the various states of electric vehicles through the sensors, and utilizes the trumpet to play relative voice prompts, prompts operators to adjust the riding state in real time, and makes the vehicle reach the optimal state. Simultaneously, the antitheft alarming function of the electric vehicle can be realized through utilizing the SCM and other resources, and audio frequency signals can be input through an audio power amplifier interface to play MP3, MP4.
Description
Technical field
The utility model belongs to elec. vehicle numeral voice control technology field.
Background technology
Existing elec. vehicle, as Electrical Bicycle, electronic disabled person's car, all only establish a cover to motor-driven controller, if realize other function, necessary external other device is as loudspeaker, deflector, annunciator etc., the wiring more complicated of its car load, and poor reliability, in case damage maintenance difficult; And driving governor can't in time understand the various riding conditions of car load, and the car load riding condition can only lean on operator's sensation and experience to judge, can not accomplish man machine communication, can't improve service efficiency.
Summary of the invention
Can't accomplish man machine communication at existing elec. vehicle, functions such as monitoring voice suggestion in real time, music, remote control alarm, the utility model provides a kind of voice digital double controller of elec. vehicle, come real elec. vehicle driving governor other function in addition by this voice digital double controller, and can monitor in real time the various riding conditions of elec. vehicle, to each functional component united and coordinating of car load, make each parts performance maximal efficiency, reach stable performance, reduce contingency occurrence probability, prolong the service life of battery and car load.
The technical scheme that the utility model adopted is: the numeral voice double controller of elec. vehicle, comprise micro controller system, the speed sensor that links with micro controller system, g sensor, the machine open/close signaling module, voltage comparator, the signal for turn module, the audible warning module, speech chip and decoder module, speech chip links by audio frequency power amplifier and loudspeaker, decoder module and high frequency receiver module link, micro controller system is split/the off signal module, speed sensor, g sensor, voltage comparator, the signal for turn module, the signal that the audible warning module obtains detects processing, export different signal triggering speech chips, speech chip amplifies different energizing signal through audio frequency, play corresponding voice suggestion by loudspeaker.
The numeral voice double controller of described elec. vehicle, has the electric power on/off monitoring function, the ON/OFF signaling module is obtained the signal that electric vehicle power supply opens or closes and is transported to micro controller system, the micro controller system output signal triggers speech chip, " welcome to use so-and-so brand battery-driven car; Have a Good Trip, takes care " or similar voice suggestions such as " power supply close, please open anti-theft system " by loudspeaker output.
The numeral voice double controller of described elec. vehicle has the speed monitoring function, and speed sensor is made up of switching Hall components and permanent magnet, is installed on battery-driven car front wheel spindle or hind axle position, the rotating speed of induction wheel; When the speed of elec. vehicle surpassed setting value, speed sensor was transported to micro controller system with signal, and micro controller system sends the signal triggering speech chip, and " your battery-driven car exceeds the speed limit, please notes driving by loudspeaker output! " wait similar voice suggestion.
The numeral voice double controller of described elec. vehicle, has load overload monitoring function, g sensor is dry-reed tube or current detecting chip, g sensor is monitored the electric current of car load power circuit, when electric current exceeds setting value, send signal to micro controller system, the micro controller system output signal triggers speech chip, by loudspeaker output similar voice suggestions such as " your battery-driven car transship, asks assisted pedal stroke ".
The numeral voice double controller of described elec. vehicle, has the steering monitoring function, the signal for turn module obtains turn sign and transports to micro controller system, the Single-chip Controlling steering indicating light is by the frequency scintillation of concussion, micro controller system sends the signal triggering speech chip simultaneously, by loudspeaker output similar voice suggestions such as " turn inside diameter please note safety ".
The numeral voice double controller of described elec. vehicle, has the electric quantity of power supply monitoring function, voltage comparator obtain electric quantity of power supply low excessively signal and transport to micro controller system, the micro controller system output signal triggers speech chip, by loudspeaker output similar voice suggestions such as " your battery-driven car electric weight deficiency are please in time charged ".
The numeral voice double controller of described elec. vehicle has horn function, and when pressing horn switch, the ripple of the PWM pin of micro controller system output certain frequency promotes buzzer phone and sends the sound of " tick, tick ".
The numeral voice double controller of described elec. vehicle, has the remote control alarm function, adopt remote controller and the communication of described high frequency receiver module, remote controller is a quadruple linkage, to the numeral voice double controller of elec. vehicle set up defences, remove, the remote manipulation of police by force, ON/OFF power supply, teleswitch battery case lock or saddle lock.In order to ensure safety, prevent maloperation and open or close power supply that the remote control machine open/close adopts two key combinations, promptly must press " A+C " key simultaneously during remote control ON/OFF power supply, could opening power, press " A+D " key simultaneously, could PTO Power Take Off.
The numeral voice double controller of described elec. vehicle, micro controller system and warning actuator link, during warning, one of warning actuator output from high to low or the signal of level saltus step from low to high, and locked elec. vehicle reaches desirable anti-theft effect.
The numeral voice double controller of described elec. vehicle has the audio frequency enlarging function, and speech chip connects audio frequency apparatus by audio amplifier, when no voice signal, by audio frequency apparatuses such as COBBAIF bonded assembly MP3, MP4, plays music.
The utility model utilizes multisensor that the various states of elec. vehicle are monitored in real time, and with the monitoring data reach micro controller system (MCU), processing by micro controller system (MCU), send corresponding signal triggering speech chip, after speech chip is triggered, broadcast corresponding voice suggestion by loudspeaker, prompting operation person adjusts riding condition in real time, makes car load reach optimum regime.Simultaneously, utilize other resource of micro controller system (MCU), realize the electric vehicle anti-theft alarm function, by the audio amplifier interface, input audio signal can be play MP3, MP4.
The numeral voice double controller of this elec. vehicle can also save functional components such as external loudspeaker on the existing elec. vehicle, deflector, annunciator, structure is greatly simplified, cost-cutting, economize on resources, has advantage multiple functional, human oriented design, improve the service efficiency of elec. vehicle, simplified complete vehicle structure.
Description of drawings
Fig. 1 is a frame assumption diagram of the present utility model.
Fig. 2 is schematic circuit diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As shown in Figure 1, the numeral voice double controller of elec. vehicle comprises micro controller system, the speed sensor that links with micro controller system, g sensor, the machine open/close signaling module, voltage comparator, the signal for turn module, the audible warning module, speech chip and decoder module, speech chip links by audio frequency power amplifier and loudspeaker, decoder module and high frequency receiver module link, micro controller system is split/the off signal module, speed sensor, g sensor, voltage comparator, the signal for turn module, the signal that the audible warning module obtains detects processing, export different signal triggering speech chips, speech chip amplifies different energizing signal through audio frequency, play corresponding voice suggestion by loudspeaker.
The numeral voice double controller of this elec. vehicle has following function: the electric power on/off monitoring function, the ON/OFF signaling module is obtained the signal that electric vehicle power supply opens or closes and is transported to micro controller system, the micro controller system output signal triggers speech chip, " welcome to use so-and-so brand battery-driven car; Have a Good Trip; take care " or similar voice suggestions such as " power supply close, please open anti-theft system " by loudspeaker output.The speed monitoring function, speed sensor is made up of switching Hall components and permanent magnet, is installed on battery-driven car front wheel spindle or hind axle position, the rotating speed of induction wheel; When the speed of elec. vehicle surpassed setting value, speed sensor was transported to micro controller system with signal, and micro controller system sends the signal triggering speech chip, and " your battery-driven car exceeds the speed limit, please notes driving by loudspeaker output! " wait similar voice suggestion.Load overload monitoring function, g sensor is dry-reed tube or current detecting chip, g sensor is monitored the electric current of car load power circuit, when electric current exceeds setting value, send signal to micro controller system, the micro controller system output signal triggers speech chip, by loudspeaker output similar voice suggestions such as " your battery-driven car transship, asks assisted pedal stroke ".The steering monitoring function, the signal for turn module obtains turn sign and transports to micro controller system, and the Single-chip Controlling steering indicating light is by the frequency scintillation of concussion, and micro controller system sends the signal triggering speech chip simultaneously, by loudspeaker output similar voice suggestions such as " turn inside diameter please note safety ".Electric quantity of power supply monitoring function, voltage comparator obtain electric quantity of power supply low excessively signal and transport to micro controller system, the micro controller system output signal triggers speech chip, by loudspeaker output similar voice suggestions such as " your battery-driven car electric weight deficiency are please in time charged ".Horn function, when pressing horn switch, the ripple of the PWM pin of micro controller system output certain frequency promotes buzzer phone and sends the sound of " tick, tick ".The remote control alarm function adopts remote controller and the communication of described high frequency receiver module, and remote controller is a quadruple linkage, to the numeral voice double controller of elec. vehicle set up defences, remove, police by force, ON/OFF power supply, the teleswitch battery case is locked or saddle is locked remote manipulation.In order to ensure safety, prevent maloperation and open or close power supply that the remote control machine open/close adopts two key combinations, promptly must press " A+C " key simultaneously during remote control ON/OFF power supply, could opening power, press " A+D " key simultaneously, could PTO Power Take Off.Micro controller system and warning actuator link, during warning, one of warning actuator output from high to low or the signal of level saltus step from low to high, and locked elec. vehicle reaches desirable anti-theft effect.The audio frequency enlarging function, speech chip connects audio frequency apparatus by audio amplifier, when no voice signal, by audio frequency apparatuses such as COBBAIF bonded assembly MP3, MP4, plays music.
The realization of sound prompt function as shown in Figure 2, one:
A, power switch signal (LOCK) link to each other with 20 pin of the I/O mouth of IC2 micro controller system (MCU).When electric power starting, micro controller system is received the start high level signal, through the processing of micro controller system (MCU), 1 pin output signal of micro controller system triggers the 4th pin of speech chip (IC3), 6 human hair combing wastes of IC3 go out voice suggestion " welcome to use so-and-so board battery-driven car, Have a Good Trip, takes care! ".This signal is transported to the 7th pin of IC4 music power discharging integrated block through the coupling of capacitor C 3, through the amplification of IC4, exports sound horn to by the 1st pin of IC4.When power-off, the LOCK signal that links to each other with IC2 micro controller system (MCU) becomes low level, through the processing of IC2 micro controller system (MCU), is triggered the 3rd pin of IC3 speech chip by 2 pin output signals, 6 human hair combing wastes of IC3 go out voice suggestion " power supply closes, please open anti-theft system ".This signal is transported to the 7th pin of IC4 music power discharging integrated block through the coupling of capacitor C 3, through the amplification of IC4, exports loudspeaker to by the 1st pin of IC4 and plays.
B, speed sensor signal (SPEED) link to each other with the 8th pin of the I/O mouth of IC2 micro controller system, and the square-wave signal that speed sensor transmits is handled through IC2 micro controller system (MCU), compare with setting value.IC2 has been 4 waveforms of per second with the speed signal initial value design when design, when surpassing setting value, IC2 micro controller system (MCU) the 4th pin output signal triggers the 2nd pin of IC3 speech chip, the 6th human hair combing waste of IC3 goes out voice suggestion " your battery-driven car exceeds the speed limit; please note driving ", this signal is transported to the 7th pin of IC4 music power discharging integrated block through the coupling of capacitor C 3, through the amplification of IC4.Signal after the amplification exports sound horn to by the 1st pin of IC4.
The 8th pin of the I/O mouth of C, IC2 micro controller system connects pliotron, when pole changer is opened (the TURN signal is a high level),, make I/O mouth 18 pin of IC2 micro controller system also be high level through the R3 coupling, handle through IC2, by the 5 pin output energizing signal of IC2, after the 1st pin of IC3 speech chip is triggered, by the 6th pin output voice signal " turn inside diameter; please note ", this signal is transported to the 7th pin of IC4 music power discharging integrated block through the coupling of capacitor C 3, through the amplification of IC4.Signal after the amplification exports sound horn to by the 1st pin of IC4.Simultaneously the TURN high level is through the coupling of resistance R 4, and with resistance R 5 dividing potential drops, drive aerotron Q3, aerotron Q3 conducting this moment, steering indicating light (TURN LAMP) is lighted.After aerotron Q3 conducting, its collecting electrode becomes low level.The 8th pin of IC2, the base stage of Q3 also all become low level by high level at this moment, make aerotron Q3 end, and steering indicating light (TURN LAMP) extinguishes, and steering indicating light (TURN LAMP) by complete flicker once.After aerotron Q3 ended, the 8th pin of the base stage of Q3 and IC2 became high level by low level, aerotron Q3 conducting this moment, and steering indicating light (TURN LAMP) is lighted.The 5th pin of IC2 is exported energizing signal again, after the 1st pin of IC3 speech chip is triggered, the output of IC2 is by the 6th pin output voice signal " turn inside diameter; please note ", this signal is through the coupling of capacitor C 3, be transported to the 7th pin of IC4 music power discharging integrated block, through the amplification of IC4, the signal after the amplification exports sound horn to by the 1st pin of IC4.As long as the TURN switch does not cut out, concussion continues always, the voice loop play.Turning function concussion frequency is 50Hz-90Hz, and steering indicating light glimmers according to the concussion frequency.
Link to each other with I/O mouth the 19th pin of IC2 micro controller system after D, power line voltage (VB) process divider resistance R1, the R2 dividing potential drop, when power line voltage reduces, partial pressure value also decreases, when the level value after the dividing potential drop is lower than the monolithic setting value, the 27th pin of IC2 micro controller system (MCU) is exported a signal triggering IC3 speech chip, the 6th pin output prompt tone of IC3 " please in time charge by your battery-driven car electric weight deficiency.", this signal is transported to the 7th pin of IC4 music power discharging integrated block through the coupling of capacitor C 3, through the amplification of IC4.Signal after the amplification exports sound horn to by the 1st pin of IC4.
The power circuit of E, car load is sampled to the electric current that flows through through dry-reed tube or current sampler, the signal (CHECK-I) of sampling exports 23 pin of the I/O mouth of IC2 micro controller system to, IC2 micro controller system (MCU) is through handling, compare with setting value, when greater than setting, IC2 micro controller system (MCU) output energizing signal triggers the IC3 speech chip, and " your battery-driven car transships the 6th pin output prompt tone of IC3, asks assisted pedal stroke.", this signal is transported to the 7th pin of IC4 music power discharging integrated block through the coupling of capacitor C 3, and through the amplification of IC4, the signal after the amplification exports sound horn to by the 1st pin of IC4.
F, loudspeaker push button signalling (LABA) link to each other with 23 pin of the I/O mouth of IC2 micro controller system after through divider resistance R10, R11 dividing potential drop.When the loudspeaker button is pressed, when I/O mouth the 23rd pin of IC2 micro controller system detects high level, the signal of the PWM pin of IC2 micro controller system (MCU) (i.e. 17 pin) output certain frequency is through the amplification of aerotron Q1, process self-excitation transformer T1's boosting again, promote buzzer phone BUZZER and send the sound of " tick, tick, tick ... ", remind driving to note.
Two, the realization of warning function: warning function mainly is made up of high-frequency emission part (claiming remote controller again), high frequency receiving unit (RECVEIVER), decoding chip (IC1), micro controller system (IC2), shock sensor (SENSER), driving aerotron (Q1), self-excitation inductance (T1), several parts of piezo (BUZZER).Four buttons are arranged on the remote controller, be respectively A, B, C, D key.
The A key is that early warning is provided with key, when annunciator main frame energized (VB), press the A key on the remote controller, the high frequency receiving unit (RECVEIVER) of main frame receives signal, amplify and decoding through IC1, decoded signal is rolled over 10 pin by the I/O mouth that 13 pin of IC1 are sent to the IC2 micro controller system.Through the processing of micro controller system, PWM pin (17 pin) output pwm signal passes through aerotron (Q1) again and amplifies, and promotes self-excitation transformer (T1), drives the short ring of piezo 2 times.Prompting operation person, main frame has entered alert status, working as main frame this moment is given a shock, shock sensor (SENSER) reaches IC2 the 9th pin with vibration signal, through the processing of IC2 micro controller system, PWM pin (17 pin) the output PWM ripple by IC2 is amplified by aerotron (Q1), promote self-excitation transformer (T1), piezo can be sent 4 short rings.In 3 seconds after 4 short rings, be given a shock once more, shock sensor (SENSER) reaches IC2 the 9th pin with vibration signal, processing through the IC2 micro controller system, PWM pin (17 pin) output PWM ripple by IC2, amplify by aerotron (Q1), promote self-excitation transformer (T1), buzzer phone can go out 12 seconds the chimes of doom of reaching of high-decibel.If continue to be shaken, report to the police continues always.If 12 seconds warning does not detect vibrations after finishing, chimes of doom stops.Be given a shock once more after 3 seconds, the short equally ring of buzzer phone 4 was given a shock within 3 seconds once more, repeated 12 seconds warning.12 seconds warnings simultaneously 25 pin of other 1 I/O mouth of micro controller systems (IC2) export a high level to low level signal (V), the master controller of elec. vehicle is received locked immediately motor behind the V signal, strengthens theftproof performance.
The B key is to remove to report to the police, and when pressing the B key, the high frequency receiving unit (RECVEIVER) of main frame receives signal, amplifies and decoding through IC1, decoded signal is delivered to 11 pin of the I/O mouth of micro controller system IC2 by 12 pin of IC1.Through the processing of micro controller system IC2, the PWM pin output pwm signal of IC2 passes through aerotron (Q1) again and amplifies, and promotes self-excitation transformer (T1), the short ring of piezo this moment 1 time, and prompting operation person's alarm condition is removed, and this moment, main frame can not reported to the police by vibrations again.
The C key is strong alert key, and when pressing the C key, the high frequency receiving unit (RECVEIVER) of main frame receives signal, through amplifying the decoding with IC1, decoded signal is delivered to 12 pin of the I/O mouth of micro controller system IC2 by 11 pin of IC1.Through the processing of micro controller system IC2, the PWM pin output pwm signal of IC2 passes through aerotron (Q1) again and amplifies, and promotes self-excitation transformer (T1), this moment piezo pipe 8 seconds strong alert.
The D key is the mechanical lock button, and when pressing the D key, the high frequency receiving unit (RECVEIVER) of main frame receives signal, through amplifying the decoding with IC2, decoded signal is delivered to 13 pin of the I/O mouth of micro controller system IC2 by the 10th pin of IC1.Through the processing of micro controller system IC2, the PWM pin output pwm signal of IC2 passes through aerotron (Q1) again and amplifies, and promotes self-excitation transformer (T1), the short ring of piezo this moment 3.25 pin output one signal from low to high of the another I/O mouth of micro controller system IC2 continues 1 second, and this signal is through promoting field effect transistor (V1) output LOCK OUT, and mechanical electromagnetic lock can be opened and close to LOCK OUT signal.
A, C Macintosh are remote control power-on key, press A, C two keys when simultaneously, the high frequency receiving unit (RECVEIVER) of main frame receives signal, through amplifying the decoding with IC1, with 10 pin, 12 pin of decoded signal by 13 pin of IC1, two I/O mouths that 11 pin are delivered to micro controller system IC2.Through the processing of micro controller system IC2,16 pin of the I/O mouth of IC2 are exported a high level signal, and keep, and make aerotron Q2 conducting, and relay J 1 coil has electric current to pass through, the contact adhesive, and energized reaches the purpose that starts electric vehicle power supply.
A, D Macintosh are that power key is closed in remote control, press A, D two keys when simultaneously, the high frequency receiving unit (RECVEIVER) of main frame receives signal, through amplifying the decoding with IC1, decoded signal is delivered to 10 pin, 13 pin of the I/O mouth of micro controller system IC2 by 13 pin, 10 pin.Through the processing of micro controller system IC2,16 pin pin output low level signals of the I/O mouth of IC2, and keep, aerotron Q2 is ended, relay J 1 coil no current passes through, contact open, power cut-off reaches the purpose of closing electric vehicle power supply.
At last, the realization of the happy playing function of digital audio: this product inside is provided with audio amplifier, adopts IC4 (TDA2282) to realize, by IC5 (LM317) power line voltage is reduced to 12V, and TDA2282 is powered.Leave the input interface (IN) of sound signal on the wiring board.Audio-source such as MP3, MP4 through the adjusting sound size of potential device, is delivered to the input end of TDA2282 from interface (IN) input, through the amplification of TDA2282, promotes loudspeaker (SPEAKER) sounding of 1W.Realize that audio frequency amplifies or the purpose of music.
Claims (9)
1, the numeral voice double controller of elec. vehicle, it is characterized in that, comprise micro controller system, the speed sensor that links with micro controller system, g sensor, the machine open/close signaling module, voltage comparator, the signal for turn module, the audible warning module, speech chip and decoder module, speech chip links by audio frequency power amplifier and loudspeaker, decoder module and high frequency receiver module link, micro controller system is split/the off signal module, speed sensor, g sensor, voltage comparator, the signal for turn module, the signal that the audible warning module obtains detects processing, export different signal triggering speech chips, speech chip amplifies different energizing signal through audio frequency, play corresponding voice suggestion by loudspeaker.
2, the numeral voice double controller of elec. vehicle according to claim 1, it is characterized in that, described ON/OFF signaling module is obtained the signal that electric vehicle power supply opens or closes and is transported to micro controller system, the micro controller system output signal triggers speech chip, is opened or closed the voice suggestion of power supply by loudspeaker output.
3, the numeral voice double controller of elec. vehicle according to claim 1 is characterized in that, described speed sensor is made up of switching Hall components and permanent magnet, is installed on battery-driven car front wheel spindle or hind axle position, the rotating speed of induction wheel; When the speed of elec. vehicle surpassed setting value, speed sensor was transported to micro controller system with signal, and micro controller system sends the signal triggering speech chip, by the voice suggestion of loudspeaker output hypervelocity.
4, the numeral voice double controller of elec. vehicle according to claim 1, it is characterized in that, described g sensor is dry-reed tube or current detecting chip, g sensor is monitored the electric current of car load power circuit, when electric current exceeds setting value, send signal to micro controller system, the micro controller system output signal triggers speech chip, by the voice suggestion of loudspeaker output overloading.
5, the numeral voice double controller of elec. vehicle according to claim 1, it is characterized in that, described signal for turn module obtains turn sign and transports to micro controller system, the Single-chip Controlling steering indicating light is by the frequency scintillation of concussion, micro controller system sends the signal triggering speech chip simultaneously, by the voice suggestion of loudspeaker output turning.
6, the numeral voice double controller of elec. vehicle according to claim 1, it is characterized in that, described voltage comparator obtain electric quantity of power supply low excessively signal and transport to micro controller system, the micro controller system output signal triggers speech chip, by the low excessively voice suggestion of loudspeaker out-put supply electric weight.
7, the numeral voice double controller of elec. vehicle according to claim 1 is characterized in that, micro controller system and shock sensor link; Adopt remote controller and the communication of described high frequency receiver module, remote controller is a quadruple linkage, to the numeral voice double controller of elec. vehicle set up defences, remove, police by force, ON/OFF power supply, the teleswitch battery case is locked or saddle is locked remote manipulation.
8, the numeral voice double controller of elec. vehicle according to claim 7 is characterized in that, micro controller system and warning actuator link, during warning, one of warning actuator output from high to low or the signal of level saltus step from low to high, and locking elec. vehicle.
According to the numeral voice double controller of each described elec. vehicle of claim 1-6, it is characterized in that 9, described speech chip connects audio frequency apparatus by audio amplifier.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201216855U CN201287781Y (en) | 2008-07-28 | 2008-07-28 | Digital sound dual-control device of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008201216855U CN201287781Y (en) | 2008-07-28 | 2008-07-28 | Digital sound dual-control device of electric vehicle |
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| CN201287781Y true CN201287781Y (en) | 2009-08-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897034A (en) * | 2011-07-29 | 2013-01-30 | 上海新世纪机器人有限公司 | Multifunctional prompter for electric vehicles |
| CN108337610A (en) * | 2017-12-28 | 2018-07-27 | 德州富路车业有限公司 | A kind of intelligent sound loudspeaker and application thereof |
| CN114771710A (en) * | 2022-03-23 | 2022-07-22 | 安徽爱博智能科技有限公司 | Bicycle with a handle bar |
-
2008
- 2008-07-28 CN CNU2008201216855U patent/CN201287781Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897034A (en) * | 2011-07-29 | 2013-01-30 | 上海新世纪机器人有限公司 | Multifunctional prompter for electric vehicles |
| CN108337610A (en) * | 2017-12-28 | 2018-07-27 | 德州富路车业有限公司 | A kind of intelligent sound loudspeaker and application thereof |
| CN108337610B (en) * | 2017-12-28 | 2024-03-26 | 山东马拉贝斯车业有限公司 | Intelligent voice loudspeaker and application thereof |
| CN114771710A (en) * | 2022-03-23 | 2022-07-22 | 安徽爱博智能科技有限公司 | Bicycle with a handle bar |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20110728 |