CN110696753A - System for solving vehicle-mounted multimedia feed and implementation method - Google Patents
System for solving vehicle-mounted multimedia feed and implementation method Download PDFInfo
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- CN110696753A CN110696753A CN201910902275.7A CN201910902275A CN110696753A CN 110696753 A CN110696753 A CN 110696753A CN 201910902275 A CN201910902275 A CN 201910902275A CN 110696753 A CN110696753 A CN 110696753A
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- 230000007958 sleep Effects 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 6
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- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000006266 hibernation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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Abstract
The invention relates to a system for solving vehicle-mounted multimedia feed, which comprises a multimedia host end, an automobile end and other electronic equipment ends. The multimedia host end comprises an MCU processor, a multimedia control panel, a voltage detection module, a power amplifier and a loudspeaker. The other electronic equipment end comprises an electronic equipment host and an equipment control board. The automobile end comprises an engine, a charging module, an automobile battery and a power management module. The automobile battery respectively provides power for the MCU processor, the multimedia control panel, the voltage detection module, the power amplifier and the loudspeaker, the electronic equipment host and the equipment control panel, and the MCU processor is electrically connected with the electronic equipment host. The voltage detection module is used for detecting the voltage of the automobile battery in real time, and when the voltage of the automobile battery is continuously lower than a prompt voltage threshold value, the MCU processor sends a voice prompt signal to the power amplifier and the loudspeaker. The humanized design of this scheme has improved on-vehicle multimedia's intellectuality, has protected the car battery can not take place the feed simultaneously, has prolonged the life of car battery.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted multimedia, in particular to a system for solving the problem of vehicle-mounted multimedia feed and an implementation method.
Background
As shown in fig. 1, a client requires a wide operating voltage range (e.g., V1-V3) of a multimedia host and requires to continue operating at a lower voltage (e.g., V1), while a minimum starting voltage (e.g., V2) of an automobile is higher than a minimum operating voltage (e.g., V1) of the multimedia host, and for a user who frequently stops and stops a car, listens to music and watches videos as entertainment and releases pressure, the following problems exist when the high-power device is used for a long time in a flameout state:
(1) the discharging speed of the automobile battery can be accelerated, and the electric quantity is reduced quickly.
(2) The long-time continuous heavy current discharge will make the car battery feed, lead to the car can't ignite the start, delays user with the car experience.
(3) And the system can also be reported by complaints of users, thereby causing adverse effects.
(4) Frequent feeding will result in battery rejection and significant losses to the user.
In order to solve the above problems, the present invention provides a system and an implementation method for solving vehicle-mounted multimedia feeding.
Disclosure of Invention
The invention aims to solve the problems that when a high-power device is used for a long time in a flameout state, the discharging speed of an automobile battery is increased, the automobile battery is fed, the automobile cannot be ignited and started, complaints of users are reported, and the battery is scrapped due to frequent feeding, so that great loss is caused to the users. The concrete solution is as follows:
a system for solving the problem of vehicle-mounted multimedia feed comprises a multimedia host end, an automobile end and other electronic equipment ends, wherein the automobile end and the other electronic equipment ends are respectively and electrically connected with the multimedia host end.
The multimedia host end comprises an MCU processor, and a multimedia control panel, a voltage detection module, a power amplifier and a loudspeaker which are respectively and electrically connected with the MCU processor.
The other electronic equipment end comprises an electronic equipment host and an equipment control board electrically connected with the electronic equipment host.
The automobile end comprises an engine, a charging module electrically connected with the engine, an automobile battery and a power management module, wherein the automobile battery and the power management module are respectively electrically connected with the charging module, and the power management module is electrically connected with the automobile battery.
The automobile battery respectively provides power for the MCU processor, the multimedia control panel, the voltage detection module, the power amplifier and the loudspeaker, the electronic equipment host and the equipment control panel, and the MCU processor is electrically connected with the electronic equipment host.
Further, the voltage detection module detects the voltage of the automobile battery in real time, sends a detection signal to the MCU processor for analysis and processing, and when the voltage of the automobile battery is continuously lower than a prompt voltage threshold value within a specified time, the MCU processor sends a voice prompt signal to the power amplifier and the loudspeaker to remind the automobile to start to charge the battery.
And further, the engine is started, the automobile battery is charged through the charging module and the power management module, and after charging is finished, the charging module and the power management module stop working.
Further, when the battery voltage is continuously low, the MCU processor sends early warning information of low battery voltage to other electronic equipment hosts to request other electronic equipment to sleep.
Further, when the battery voltage continues to be low, the MCU processor actively makes the multimedia host enter the sleep mode.
Based on the system for solving the vehicle-mounted multimedia feed, the implementation method for solving the vehicle-mounted multimedia feed comprises the following steps:
step 4, if the voltage of the automobile battery is detected to be within the specified time period T1, continuously falling below a prompt voltage threshold V4;
and step 5, sending a first voice prompt to the power amplifier and the loudspeaker by the MCU processor: "the car battery voltage is low, please start the car to charge the battery, otherwise will influence the car to start";
If yes, the automobile battery is charged through the charging module, then step 3 is carried out,
if not, turning to step 7;
step 7, the multimedia host continues to work for a period of time T2, and T2 can be set in the multimedia control panel;
step 8, the MCU processor sends a second voice prompt to the power amplifier and the loudspeaker: the battery voltage is continuously low, and the multimedia host is about to enter a sleep mode to ensure the normal starting of the automobile;
If yes, the automobile battery is charged through the charging module, then step 3 is carried out,
if not, turning to step 10;
step 10, the MCU processor sends early warning information of low battery voltage to other electronic equipment hosts to request other electronic equipment to sleep;
in step 11, no is the other electronic device host responding to the hibernation information?
If yes, turning to step 3; if not, go to step 12;
Further, the lowest operating voltage of the multimedia host is V1, and the highest operating voltage of the multimedia host is V3.
Further, the lowest starting voltage for starting the automobile is V2, and the lowest starting voltage V2 is larger than the lowest working voltage V1.
Further, the prompt voltage threshold V4 preset by the system is: the lowest starting voltage V2 < the prompting voltage threshold V4 < the highest working voltage V3.
Further, the time duration T1 in step 4 is preset to 30 seconds, the time duration T2 in step 7 is preset to 10 minutes, and the time duration T3 in step 12 is preset to 1 minute.
In summary, the technical scheme of the invention has the following beneficial effects:
the invention solves the problems that when a high-power device is used for a long time in a flameout state, the discharging speed of an automobile battery can be increased, the automobile battery can be fed, the automobile cannot be ignited and started, complaints of users are reported, the battery is scrapped due to frequent feeding, and great loss is caused to the users. According to the scheme, a prompt voltage threshold V4 is preset in a control program of the multimedia host, and the prompt voltage threshold V4 is larger than the lowest starting voltage V2 of an automobile and smaller than the highest working voltage V3 of the multimedia host, so that the multimedia host can work normally between V2 and V3 voltages, and the automobile starting after flameout cannot be influenced. When the voltage detection module of the multimedia host detects that the voltage of the automobile battery is within the specified time and is continuously lower than the prompt voltage threshold value V4, the MCU processor sends a voice prompt signal to the power amplifier and the loudspeaker to remind the automobile to start to charge the battery. After the multimedia host computer continues to work for a period of time, the MCU processor sends out a voice prompt that the battery voltage is low to the power amplifier and the loudspeaker, the multimedia host computer is about to enter a sleep mode, sends early warning information that the battery voltage is low to other electronic device host computers, requests other electronic devices to sleep, and then the multimedia host computer actively enters the sleep mode. This kind of humanized design of this scheme has improved on-vehicle multimedia's intellectuality, has protected the car battery can not take place the feed simultaneously, has prolonged the life of car battery, has ensured user's with the car experience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a diagram illustrating a working voltage range of a conventional multimedia host and a minimum starting voltage of an automobile;
FIG. 2 is a schematic diagram of the working voltage range of the multimedia host, the minimum starting voltage of the vehicle and the threshold of the prompt voltage;
FIG. 3 is a block diagram of a system for resolving in-vehicle multimedia feed according to the present invention;
fig. 4 is a step diagram of an implementation method for solving the problem of vehicle-mounted multimedia feed according to the present invention.
The attached drawings indicate the following:
1-multimedia host terminal, 11-MCU processor, 12-multimedia control panel, 13-voltage detection module, 14-power amplifier and loudspeaker, 2-automobile terminal, 22-engine, 23-charging module, 24-automobile battery, 25-power management module, 3-other electronic equipment terminal, 31-electronic equipment host, 32-equipment control panel, V1-lowest working voltage, V2-lowest starting voltage, V3-highest working voltage, V4-prompt voltage threshold.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 and 3, a system for solving the vehicle-mounted multimedia feed problem includes a multimedia host end 1, an automobile end 2 and other electronic device ends 3, which are electrically connected to the multimedia host end 1, respectively.
The multimedia host terminal 1 comprises an MCU processor 11, a multimedia control panel 12, a voltage detection module 13, a power amplifier and a loudspeaker 14 which are respectively and electrically connected with the MCU processor 11. The multimedia console 12 may be a touch screen display or a combination of a touch screen display and a keypad (not shown).
The other electronic device side 3 includes an electronic device main body 31 and a device control board 32 electrically connected to the electronic device main body 31. Other electronic equipment refers to one or more of vehicle air conditioner, car electric fan, USB rechargeable lighter, electron champignon box, car camera, car cooking utensil. The device control panel 32 may be a touch screen display or a combination of a display screen plus a keypad (not shown).
The automobile end 2 comprises an engine 22, a charging module 23 electrically connected with the engine 22, an automobile battery 24 and a power management module 25 which are respectively electrically connected with the charging module 23, wherein the power management module 25 is electrically connected with the automobile battery 24.
The automobile battery 24 respectively provides power for the MCU processor 11, the multimedia control panel 12, the voltage detection module 13, the power amplifier and loudspeaker 14, the electronic device host 31 and the device control panel 32, and the MCU processor 11 is electrically connected with the electronic device host 31.
Further, the voltage detection module 13 detects the voltage of the car battery 24 in real time, and sends a detection signal to the MCU processor 11 for analysis and processing, and when the voltage of the car battery 24 is continuously lower than a prompt voltage threshold (e.g., V4) within a specified time (e.g., T1), the MCU processor 11 sends a voice prompt signal to the power amplifier and the speaker 14 to prompt the car to start the car to charge the battery.
Further, the engine 22 is started, the vehicle battery 24 is charged through the charging module 23 and the power management module 25, and after the charging is completed, the charging module 23 and the power management module 25 stop working.
Further, when the battery voltage (i.e. the voltage of the car battery 24) is continuously low, the MCU processor 11 sends a warning message of low battery voltage to the other electronic device host 31 to request the other electronic device to sleep.
Further, when the battery voltage continues to be low, the MCU processor 11 actively puts the multimedia host into a sleep mode.
As shown in fig. 2 and 4, an implementation method for solving the vehicle-mounted multimedia power feeding based on the system for solving the vehicle-mounted multimedia power feeding is performed according to the following steps:
s1, powering on and initializing the multimedia host;
s2, setting a prompting voltage threshold V4 on the multimedia control panel 12;
s3, the voltage detection module 13 detects the voltage of the automobile battery 24 in real time and sends the voltage to the MCU processor 11 for analysis and processing;
s4, if the voltage of the automobile battery 24 is detected to be within the specified time length T1, the voltage is continuously lower than the prompt voltage threshold V4;
s5, the MCU processor 11 sends a first voice prompt to the power amplifier and speaker 14: "the car battery voltage is low, please start the car to charge the battery, otherwise will influence the car to start";
s6, no start of the engine 22?
If so, the car battery 24 is charged by the charging module 23, then go to S3,
if not, go to S7;
s7, the multimedia host continues to work for a period of time T2, T2 can be set in the multimedia console 12;
s8, the MCU processor 11 sends a second voice prompt to the power amplifier and speaker 14: the battery voltage is continuously low, and the multimedia host is about to enter a sleep mode to ensure the normal starting of the automobile;
s9, no start of the engine 22?
If so, the car battery 24 is charged by the charging module 23, then go to S3,
if not, go to S10;
s10, the MCU processor 11 sends early warning information of low battery voltage to other electronic equipment hosts 31 to request other electronic equipment to sleep;
s11, no is the other electronic device host 31 responding to the hibernation information?
If so, go to S3; if not, go to S12;
s12, the multimedia host actively enters into the sleep mode within a certain time T3.
Further, the minimum operating voltage of the multimedia host is V1, and the maximum operating voltage of the multimedia host is V3.
Further, the lowest starting voltage for starting the automobile is V2, and the lowest starting voltage V2 is larger than the lowest working voltage V1.
Further, the prompting voltage threshold V4 preset by the system is: the lowest starting voltage V2 < the prompting voltage threshold V4 < the highest working voltage V3.
Further, the time period T1 is preset to 30 seconds in step 4, the time period T2 is preset to 10 minutes in step 7, and the time period T3 is preset to 1 minute in step 12.
Specifically, the values of V1 and V3 depend on the design parameters of the multimedia host, the value of V2 depends on the design parameters of the automobile product, and the value of V4 depends on the system design and debugging results. The values of T1 and T3 can be modified and set on the multimedia console 12. All the setting parameters (such as V4, T1, T2 and T3) on the multimedia console 12 need only be set once without changing the multimedia host, other electronic devices and the car battery, and the system will automatically save the last parameter record. The device control board 32 may be used to adjust, set, and control other electronic devices, and may also be used to confirm the confirmation response of the MCU processor 11 requesting the hibernation information of other electronic devices (displayed on the screens of other electronic devices), or of course, the scheme may be designed as the other electronic device host 31 to automatically respond to the request information sent by the MCU processor 11.
In summary, the technical scheme of the invention has the following beneficial effects:
the invention solves the problems that when a high-power device is used for a long time in a flameout state, the discharging speed of an automobile battery can be increased, the automobile battery can be fed, the automobile cannot be ignited and started, complaints of users are reported, the battery is scrapped due to frequent feeding, and great loss is caused to the users. According to the scheme, a prompt voltage threshold V4 is preset in a control program of the multimedia host, and the prompt voltage threshold V4 is larger than the lowest starting voltage V2 of an automobile and smaller than the highest working voltage V3 of the multimedia host, so that the multimedia host can work normally between V2 and V3 voltages, and the automobile starting after flameout cannot be influenced. When the voltage detection module 13 of the multimedia host detects that the voltage of the automobile battery 24 is within the specified time and is continuously lower than the prompt voltage threshold value V4, the MCU processor 11 sends a voice prompt signal to the power amplifier and the loudspeaker 14 to remind the automobile to start to charge the battery. After continuing to work for a period of time, the MCU processor 11 sends a voice prompt to the power amplifier and speaker 14 that the battery voltage is low and the multimedia host is about to enter the sleep mode, sends an early warning message of the battery voltage low to the other electronic device hosts 31 to request the other electronic devices to sleep, and then the multimedia host actively enters the sleep mode. This kind of humanized design of this scheme has improved on-vehicle multimedia's intellectuality, has protected the car battery can not take place the feed simultaneously, has prolonged the life of car battery, has ensured user's with the car experience. The scheme solves the problem of possible automobile battery feed when high-power electronic equipment (including vehicle-mounted multimedia, an automobile air conditioner, an automobile fan, automobile cooking utensils and the like) in an automobile is used in an automobile flameout state, and has high practicability.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (10)
1. The utility model provides a solve on-vehicle multimedia feed system which characterized in that: comprises a multimedia host end (1), an automobile end (2) and other electronic equipment ends (3), wherein the automobile end and the other electronic equipment ends are respectively electrically connected with the multimedia host end (1);
the multimedia host terminal (1) comprises an MCU processor (11), a multimedia control panel (12), a voltage detection module (13) and a power amplifier and loudspeaker (14), wherein the multimedia control panel (12), the voltage detection module and the power amplifier and loudspeaker (14) are respectively and electrically connected with the MCU processor (11);
the other electronic equipment end (3) comprises an electronic equipment host (31) and an equipment control board (32) electrically connected with the electronic equipment host (31);
the automobile end (2) comprises an engine (22), a charging module (23) electrically connected with the engine (22), an automobile battery (24) and a power management module (25) which are respectively electrically connected with the charging module (23), wherein the power management module (25) is electrically connected with the automobile battery (24);
the automobile battery (24) respectively provides power for the MCU processor (11), the multimedia control panel (12), the voltage detection module (13), the power amplifier and loudspeaker (14), the electronic equipment host (31) and the equipment control panel (32), and the MCU processor (11) is electrically connected with the electronic equipment host (31).
2. The system for resolving multimedia feed in vehicle according to claim 1, wherein: the voltage detection module (13) detects the voltage of the automobile battery (24) in real time, sends a detection signal to the MCU processor (11) for analysis and processing, and when the voltage of the automobile battery (24) is continuously lower than a prompt voltage threshold value within a specified time, the MCU processor (11) sends a voice prompt signal to the power amplifier and the loudspeaker (14) to prompt the automobile to start to charge the battery.
3. The system for resolving multimedia feed in vehicle according to claim 2, wherein: and starting the engine (22), charging the automobile battery (24) through the charging module (23) and the power management module (25), and stopping the work of the charging module (23) and the power management module (25) after the charging is finished.
4. A system for resolving the multimedia feed in vehicles according to claim 3, characterized in that: when the battery voltage is continuously low, the MCU processor (11) sends early warning information of low battery voltage to other electronic equipment hosts (31) to request other electronic equipment to sleep.
5. The system for resolving multimedia feed in vehicle according to claim 4, wherein: when the battery voltage continues to be low, the MCU processor (11) actively makes the multimedia host enter a sleep mode.
6. The method for implementing multimedia power feeding in vehicle based on the system for implementing multimedia power feeding in vehicle as claimed in claim 5, wherein the method comprises the following steps: the method comprises the following steps:
step 1, a multimedia host is powered on and initialized;
step 2, setting a prompt voltage threshold V4 on the multimedia control panel (12);
step 3, the voltage detection module (13) detects the voltage of the automobile battery (24) in real time and sends the voltage to the MCU processor (11) for analysis and processing;
step 4, if the voltage of the automobile battery (24) is detected to be within the specified time period T1, continuously falling below the prompt voltage threshold V4;
and step 5, the MCU processor (11) sends a first voice prompt to the power amplifier and the loudspeaker (14): "the car battery voltage is low, please start the car to charge the battery, otherwise will influence the car to start";
no start of the engine (22) step 6?
If yes, the automobile battery (24) is charged through the charging module (23), then the step 3 is carried out, and if not, the step 7 is carried out;
step 7, the multimedia host continues to work for a period of time T2, and T2 can be set in the multimedia control panel (12);
step 8, the MCU processor (11) sends a second voice prompt to the power amplifier and the loudspeaker (14): the battery voltage is continuously low, and the multimedia host is about to enter a sleep mode to ensure the normal starting of the automobile;
step 9, no start of the engine (22)?
If yes, the automobile battery (24) is charged through the charging module (23), then the step 3 is carried out, and if not, the step 10 is carried out;
step 10, the MCU processor (11) sends early warning information of low battery voltage to other electronic equipment hosts (31) to request other electronic equipment to sleep;
in step 11, the other electronic device host (31) responds to the sleep message no?
If yes, turning to step 3; if not, go to step 12;
step 12, the multimedia host actively enters the sleep mode within a certain time T3.
7. The method for realizing multimedia power feeding in vehicle according to claim 6, wherein: the lowest working voltage of the multimedia host is V1, and the highest working voltage of the multimedia host is V3.
8. The method for realizing multimedia power feeding in vehicle according to claim 7, wherein: the lowest starting voltage for starting the automobile is V2, and the lowest starting voltage V2 is larger than the lowest working voltage V1.
9. The implementation method for solving the multimedia feeding problem in the vehicle according to claim 8, wherein the prompting voltage threshold V4 preset by the system is: the lowest starting voltage V2 < the prompting voltage threshold V4 < the highest working voltage V3.
10. The method for realizing multimedia power feeding in a vehicle according to claim 9, wherein: the time length T1 in step 4 is preset to 30 seconds, the time T2 in step 7 is preset to 10 minutes, and the time T3 in step 12 is preset to 1 minute.
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Application publication date: 20200117 |