CN214202151U - Electric vehicle sound effect device based on CAN bus - Google Patents
Electric vehicle sound effect device based on CAN bus Download PDFInfo
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- CN214202151U CN214202151U CN202120420413.0U CN202120420413U CN214202151U CN 214202151 U CN214202151 U CN 214202151U CN 202120420413 U CN202120420413 U CN 202120420413U CN 214202151 U CN214202151 U CN 214202151U
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Abstract
The utility model discloses an electric motor car audio device based on CAN bus, include: the control module is connected with the signal input module of the electric vehicle and used for acquiring the state information of the electric vehicle; the sound effect module is connected with the control module and used for playing sound effects according to the state information; the GSM module is connected with the intelligent terminal and used for receiving the state information of the sound effect module sent by the intelligent terminal; the control module is connected with the GSM module and used for acquiring the state information of the sound effect module and controlling the sound effect module according to the state information of the sound effect module. The utility model discloses an increase the GSM module for whole electric motor car audio device can realize the communication with intelligent terminal, and the user can set up the state of audio module through intelligent terminal, if open/close the audio module, increase/reduce the sound of audio module, provide perfect hardware condition for the intelligent realization of electric motor car audio device; the voice prompt function of the electric vehicle can be realized without configuring corresponding instruments on the electric vehicle.
Description
Technical Field
The utility model belongs to the technical field of the electric motor car, concretely relates to electric motor car audio device based on CAN bus.
Background
At present, with the increase of users using the electric vehicle, people can pay more and more attention to the use experience when using the electric vehicle while having the electric vehicle, the existing electric vehicle has single function and cannot meet the requirements of users, and the electric vehicle is in a quiet state in the driving process, so that other traffic participants can neglect the vehicle, for example, riders, pedestrians and the like, especially, the existing pedestrians have more mobile phones when walking, eyes often cannot pay attention to the surrounding road conditions, and the avoidance response needs to be made by listening to sound; the electric vehicle is too quiet and has potential safety hazards.
Chinese patent No. 201120290426.7 discloses an electric vehicle warning device, which sends a control signal according to the operation information of an electric vehicle, and a sound circuit is connected to a control circuit to obtain the control signal and control a sound unit to generate sound according to the control signal. The electric vehicle has warning sound in the driving process, and can remind pedestrians and other driving pedestrians, so that the driving safety of a user is improved. This patent does not have a sound production control, which may not be possible if the user does not want to produce sound while the vehicle is in operation, and through quiet streets or where passing where muting is desired, this sound may become noisy, possibly giving the user a bad experience of use.
Chinese patent with the patent number of "201120347210. X" discloses an electric motor car warning device, and it has control panel on the instrument, and control panel connection control circuit has the sound production control button on the control panel, and control circuit sends control signal and controls the unit sound production of telling, has simplified user's operation electric motor car warning device's complexity, more helps driving safety. The warning device designed by the patent needs to be configured with a corresponding instrument and needs to control signals and sound volume through a sound production control key and a sound volume control key control device on the instrument. Need external button to control warning device's sound production control and volume control, if do not design or use the instrument that matches with it, that will increase the button on changeing the handle, change like this and go up the button and increase, make whole car integrated level reduce, structural design is complicated, influences the aesthetic property to the commonality is weak, and its realization function is also too single.
Disclosure of Invention
In order to overcome the technical defect, the utility model provides an electric motor car audio device based on CAN bus, its experience that CAN improve the user feels.
In order to solve the above problem, the utility model discloses realize according to following technical scheme:
the utility model provides an electric motor car audio device based on CAN bus, includes:
the control module is connected with the signal input module of the electric vehicle and used for acquiring the state information of the electric vehicle;
the sound effect module is connected with the control module and used for playing sound effects according to the state information;
the GSM module is connected with the intelligent terminal and used for receiving the state information of the sound effect module sent by the intelligent terminal;
the control module is connected with the GSM module and used for acquiring the sound effect module state information and controlling the sound effect module according to the sound effect module state information.
As a further improvement of the present invention, the control module is further connected to a body controller of the electric vehicle, for acquiring the status information.
As a further improvement, the control module is provided with a CAN controller, and is used for general state information sound module state information transmits with the CAN protocol.
As a further improvement, the utility model discloses still include the CAN transceiver, it connect in control module with between the audio module, be used for acquireing under the CAN agreement transmission status information reaches audio module status information.
As a further improvement of the present invention, the CAN transceiver passes through the CAN bus and the sound effect module is connected.
As a further improvement of the utility model, the utility model discloses still include input circuit, it connect in control module with between the signal input module, control module passes through input circuit acquires state information.
As the utility model discloses a further improvement, the utility model discloses still include vibration sensor for detect alarm information, vibration sensor with control module connects, control module basis the alarm information drive the audio module is reported to the police.
As a further improvement, the GSM module is connected with the intelligent terminal through the communication antenna.
Compared with the prior art, the utility model discloses following beneficial effect has: the GSM module is added, so that the whole electric vehicle sound effect device can be communicated with the intelligent terminal, and a user can set the state of the sound effect module through the intelligent terminal, such as turning on/off the sound effect module, increasing/reducing the sound of the sound effect module, and providing perfect hardware conditions for the intelligent realization of the electric vehicle sound effect device; the voice prompt function of the electric vehicle can be realized without configuring corresponding instruments on the electric vehicle.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an electric vehicle sound effect device according to embodiment 1;
FIG. 2 is a schematic diagram of the input circuit of embodiment 1;
fig. 3 is another schematic diagram of the input circuit according to embodiment 1.
Description of the labeling: 1. a control module; 11. a CAN controller; 2. a sound effect module; 3. a GSM module; 4. a CAN transceiver; 5. an input circuit; 6. a vibration sensor.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment provides an electric motor car audio device based on CAN bus, as shown in fig. 1, include: the system comprises a control module 1, a sound effect module 2 and a GSM module 3, wherein the control module 1 is connected with a signal input module of the electric vehicle and is used for acquiring state information of the electric vehicle; the sound effect module 2 is connected with the control module 1 and used for playing sound effects according to the state information; the GSM module 3 is connected with the intelligent terminal and used for receiving the state information of the sound effect module 2 sent by the intelligent terminal; the control module 1 is connected with the GSM module 3, and is configured to obtain status information of the sound effect module 2, and control the sound effect module 2 according to the status information of the sound effect module 2, where the sound effect module 2 can be implemented by using a voice chip, and the content of this part refers to the prior art.
The state information acquired by the control module 1 from the signal input module includes: the control module 1 can acquire the state of the vehicle according to the state information, such as a handle signal, an electric door lock signal, a turn light signal, a P-gear signal and the like.
In addition, the control module 1 is further connected with a vehicle body controller of the electric vehicle, and is configured to acquire status information, where the status information acquired by the control module 1 from the vehicle body controller includes: vehicle speed information, fault information, and the like.
In order to improve the reliability, real-time performance and flexibility of data communication, the control module 1 is provided with a CAN controller 11 for transmitting the state information and the state information of the sound effect module 2 by a CAN protocol.
In order to cooperate with the CAN controller 11, the present embodiment further includes a CAN transceiver 4 connected between the control module 1 and the sound effect module 2, and configured to obtain status information transmitted by the CAN protocol and status information of the sound effect module 2, and please refer to the prior art for data transmission content by using the CAN protocol.
Further, the CAN transceiver 4 is connected with the sound effect module 2 through a CAN bus.
The present embodiment further includes an input circuit 5, which is connected between the control module 1 and the signal input module, and the control module 1 obtains the status information through the input circuit 5, for example, the input circuit 5 may adopt the twist-off signal input circuit 5 shown in fig. 2, and may also adopt the input circuit 5 shown in fig. 3.
This embodiment still is provided with vibration sensor 6 that is used for detecting alarm information, vibration sensor 6 is connected with control module 1, control module 1 produces alarm sound according to alarm information control audio module 2, when control module 1 acquires alarm information, when confirming that the alert condition needs to report to the police, audio module 2 just can produce the sound of reporting to the police, when the user is far away from the vehicle, can increase audio module 2's volume through intelligent terminal, convenience of customers is when the place far away from the vehicle, still can receive alarm information, prevent that the vehicle from losing, improve the vehicle theftproof coefficient.
Illustratively, the GSM module 3 is connected to the smart terminal via a communication antenna.
The present embodiment is further explained with reference to the specific implementation process, as follows:
utilize intelligent terminal to set up audio module 2 into the open mode, at this moment, intelligent terminal transmits the state information of opening the audio for control module 1 through communication antenna, convert this state information into corresponding CAN message by CAN controller 11, convert the CAN message into the signal of telecommunication through CAN transceiver 4 again, send for audio module 2 through the CAN bus, audio module 2 opens according to audio module 2 state information, and be in the state of opening, and then CAN make a sound, the principle that audio module 2 closed is the same with the principle of opening, no longer describe here.
The user CAN adjust the volume of audio module through intelligent terminal, and intelligent terminal transmits the state information of adjusting the volume for control module 1 through communication antenna, converts this state information into corresponding CAN message by CAN controller 11, converts the CAN message into the signal of telecommunication through CAN transceiver 4 again, sends for audio module 2 through the CAN bus, and audio module 2 adjusts the size of volume according to 2 state information of audio module.
When a user uses the electric vehicle, if the user presses down a steering lamp, the control module 1 acquires a steering lamp signal through the input circuit 5, and judges that the electric vehicle is ready to turn or is turning at the moment, the CAN controller 11 converts the state information into a corresponding CAN message for transmission, the CAN transceiver 4 converts the CAN message into an electric signal and sends the electric signal to the sound effect module 2 through the CAN bus, and the sound effect module 2 sends corresponding sound after receiving the CAN message, such as 'right turn please notice', on the basis of the situation, the electric vehicle CAN send sound in the driving process to remind surrounding pedestrians to make emergency avoidance, so that the user CAN conveniently and safely pass through a road or a roadway port more quickly, potential safety hazards are avoided, the driving safety of the user is improved, and the use feeling of the user is also improved.
In the process of starting or driving the electric vehicle, the control module 1 acquires the current speed of the electric vehicle from the vehicle body controller, and according to the speed, the working state of the electric vehicle at the moment is acquired, if the electric vehicle is driving, the CAN controller 11 converts the state information into a corresponding CAN message for transmission, the CAN transceiver 4 converts the CAN message into an electric signal and sends the electric signal to the sound effect module 2 through a CAN bus, and the sound effect module 2 CAN send corresponding sound after receiving the CAN message, such as 'the vehicle is driving'.
If the control module 1 acquires the fault information from the vehicle body controller, the corresponding fault prompt tone can be played through the sound effect module 2, and the principle please refer to the above.
In summary, the present embodiment has the following beneficial effects:
1. the electric sound effect device of the embodiment is applied to the electric vehicle, so that the diversification of the functions of the electric vehicle is improved;
2. the user can control the electric vehicle sound effect device through the intelligent terminal, wherein the electric vehicle sound effect device is turned on/off, the volume is adjusted and the like, so that the defect of disturbing residents when the electric vehicle sound effect device is used on a quiet road is avoided;
3. the electric vehicle can generate corresponding sound effect when being started, can be perceived by pedestrians or other drivers, and improves the driving safety of users;
4. when the electric vehicle breaks down, the electric vehicle sound effect device can prompt the fault and send out alarm sound, so that a user finds the fault in advance, the electric vehicle is prevented from being continuously used in the fault state, and the driving safety of the user is improved;
5. the CAN bus communication is adopted, so that the reliability, the real-time performance and the flexibility of data communication are improved;
6. different sound effects can be generated according to different input information of the electric vehicle;
7. the GSM module is used for communicating with the intelligent terminal, so that the functions of the electric vehicle are increased, meanwhile, the parts on the electric vehicle can be reduced, the integration level of the electric vehicle is improved, diversification and intellectualization of the electric vehicle are realized, and the use feeling of a user is improved.
8. When the electric vehicle is stolen, the electric vehicle sound effect device can generate alarm sound, and a user can adjust the volume of the alarm sound according to the distance, so that the anti-theft coefficient of the electric vehicle is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides an electric motor car audio device based on CAN bus which characterized in that includes:
the control module is connected with the signal input module of the electric vehicle and used for acquiring the state information of the electric vehicle;
the sound effect module is connected with the control module and used for playing sound effects according to the state information;
the GSM module is connected with the intelligent terminal and used for receiving the state information of the sound effect module sent by the intelligent terminal;
the control module is connected with the GSM module and used for acquiring the sound effect module state information and controlling the sound effect module according to the sound effect module state information.
2. The electric vehicle sound effect device according to claim 1, wherein the control module is further connected to a body controller of the electric vehicle for obtaining the status information.
3. The electric vehicle sound effect device according to claim 1, wherein the control module is provided with a CAN controller for transmitting the status information and the sound effect module status information in a CAN protocol.
4. The electric vehicle sound effect device according to claim 3, further comprising a CAN transceiver connected between the control module and the sound effect module for acquiring the status information and the sound effect module status information under CAN protocol transmission.
5. The electric vehicle sound effect device of claim 4 wherein the CAN transceiver is connected to the sound effect module via a CAN bus.
6. The electric vehicle sound effect device according to claim 1, further comprising an input circuit connected between the control module and the signal input module, wherein the control module obtains the status information through the input circuit.
7. The electric vehicle sound effect device according to claim 1, further comprising a vibration sensor for detecting alarm information, wherein the vibration sensor is connected with the control module, and the control module drives the sound effect module to alarm according to the alarm information.
8. The electric vehicle sound effect device according to claim 1, wherein the GSM module is connected to the intelligent terminal through a communication antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120420413.0U CN214202151U (en) | 2021-02-25 | 2021-02-25 | Electric vehicle sound effect device based on CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120420413.0U CN214202151U (en) | 2021-02-25 | 2021-02-25 | Electric vehicle sound effect device based on CAN bus |
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| Publication Number | Publication Date |
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| CN214202151U true CN214202151U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120420413.0U Active CN214202151U (en) | 2021-02-25 | 2021-02-25 | Electric vehicle sound effect device based on CAN bus |
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| CN (1) | CN214202151U (en) |
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2021
- 2021-02-25 CN CN202120420413.0U patent/CN214202151U/en active Active
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