CN112085932A - Vehicle-mounted terminal acousto-optic prompt system and method - Google Patents
Vehicle-mounted terminal acousto-optic prompt system and method Download PDFInfo
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- CN112085932A CN112085932A CN202011060918.7A CN202011060918A CN112085932A CN 112085932 A CN112085932 A CN 112085932A CN 202011060918 A CN202011060918 A CN 202011060918A CN 112085932 A CN112085932 A CN 112085932A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
Abstract
The invention discloses a sound-light prompt system and method for a vehicle-mounted terminal, the system comprises a control module, a display module, a sound module and an input module, wherein the display module, the sound module and the input module are respectively and electrically connected with the control module, the input module comprises a GPS module, an SD card module and a vehicle control system, the display module comprises an alarm indicator lamp driving circuit and a plurality of groups of alarm indicator lamps, the alarm indicator lamps are used for indicating different working states of the vehicle-mounted terminal, the sound module comprises a sound alarm driving circuit and a sound alarm device, the control module comprises a microprocessor and a power supply module, the microprocessor is used for controlling the display state of the display module and the sound state of the sound module, and the vehicle control system sends vehicle running information to the microprocessor. The acousto-optic prompt system and the acousto-optic prompt method for the vehicle-mounted terminal provided by the invention indicate different working states of the vehicle-mounted terminal by arranging a plurality of groups of alarm indicating lamps and simultaneously matching with the audible alarm device, and have the characteristics of simple structure, intuition and convenience.
Description
Technical Field
The invention relates to the technical field of new energy electric vehicles, in particular to a sound and light prompt system and method for a vehicle-mounted terminal.
Background
The new energy electric vehicle is rapidly developed in intellectualization and networking in recent years. The national standard GB/T32960 is released at the end of the year 2016 of the country, all new energy vehicles on the market are required to be installed with vehicle-mounted terminals forcibly, and vehicle operation data are uploaded to a supervision platform while the vehicles operate. The vehicle-mounted terminal becomes a new standard product of a new energy vehicle, the application amount is large, the environment is severe, and the operation time is long, so that various faults are difficult to avoid in the application process of the vehicle-mounted terminal, and the fault is found on site at the first time and the fault point is found out particularly importantly.
Most of the existing vehicle-mounted terminals do not have an acousto-optic prompt system, and the acousto-optic prompt system is specifically embodied as follows: the vehicle-mounted terminal is provided with only one interface, so that the power-on and CAN communication with the whole vehicle are ensured, and no indicator light or voice prompt is provided; after the vehicle-mounted terminal is produced and installed in a vehicle enterprise, the quality inspection can only pass through an enterprise supervision platform, and the efficiency is low; once the vehicle-mounted terminal breaks down, field personnel basically cannot deduce the specific reason of the fault, and only the vehicle-mounted terminal can be disassembled or replaced, so that the cost is high; the vehicle-mounted terminal updates the program on site, and a computer is required, so that the operation is complicated.
Disclosure of Invention
The invention aims to provide a sound-light prompt system and method for a vehicle-mounted terminal.
In order to achieve the purpose, the invention provides the following scheme:
a vehicle-mounted terminal acousto-optic prompt system comprises: control module and with control module difference electric connection's display module, sound module and input module, input module includes GPS module, SD card module and whole car control system, display module includes alarm indicator drive circuit and multiunit alarm indicator, the alarm indicator is used for instructing vehicle terminal's different operating condition, sound module includes sound alarm drive circuit and sound alarm device, control module includes microprocessor and power module, microprocessor is used for control display module's the display state and the sound state of sound module, whole car control system sends whole car operating information for microprocessor through the CAN communication.
Optionally, the alarm indicator lamp includes a PWR lamp, a GPS lamp, a CAN lamp, an SD lamp, and a 4G lamp, the PWR lamp is used to indicate whether the vehicle-mounted terminal is powered on, the GPS lamp is used to indicate a GPS state, the CAN lamp is used to indicate a CAN communication state, the SD lamp is used to indicate an SD card read-write state, and the 4G lamp is used to indicate a 4G network state.
Optionally, the PWR lamp is red, and the GPS lamp, the CAN lamp, the SD lamp, and the 4G lamp are yellow-green.
Optionally, the microprocessor adopts an S4MF06607BSPZQQ1 motherboard, the audible alarm driving circuit includes a voice integrated amplifier SPY0030A, the audible alarm device adopts a 2pin speaker, and the alarm sound is output through a dual-channel 10-bit DAC inside the S4MF06607BSPZQQ1 motherboard, sent to the voice integrated amplifier SPY0030A for amplification, and then played through the 2pin speaker.
Optionally, the alarm sound is a drop sound with different frequencies and a pause, and the drop sound is a content state prompt of the SD card read by the S4MF06607BSPZQQ1 mainboard.
The invention also provides a vehicle-mounted terminal acousto-optic prompting method, which is applied to the vehicle-mounted terminal acousto-optic prompting system and comprises the following steps:
the microprocessor respectively controls the on-off frequency and the flashing frequency of the alarm indicator lamps and controls the sound prompting frequency and the sound volume of the sound alarm device according to the state information input by the GPS module, the SD card module and the whole vehicle control system.
Optionally, the controlling the on/off and flashing frequency of the multiple groups of alarm indicator lamps respectively specifically includes:
controlling the working mode of the PWR lamp: the vehicle-mounted terminal is powered on to control the PWR lamp to be normally on; the vehicle-mounted terminal controls the PWR lamp to be turned off when the vehicle-mounted terminal is not powered or in a dormant state; when the vehicle-mounted terminal is under-voltage, the PWR lamp quickly flickers all the time, and the flickering interval is 100 ms;
and controlling the working mode of the CAN lamp: judging whether the CAN communication state is normal, if so, controlling the CAN lamp to regularly flash when the vehicle-mounted terminal receives the CAN data of the vehicle, and if not, controlling the CAN lamp to be on and off when the vehicle-mounted terminal does not receive the CAN data of the vehicle;
controlling the working mode of the GPS lamp: judging whether the vehicle-mounted terminal acquires satellite positioning information or not, and if so, controlling the GPS lamp to regularly flash; if not, controlling the GPS lamp to be turned off;
controlling the working mode of the SD lamp: the SD lamp is an SD card read-write state lamp, judges no SD card or a poor contact state and controls the SD lamp to be on or off; if the data read-write transmission of the SD card fails, controlling the SD lamp to be normally on; if the data of the SD card is normally read and written for transmission, the SD lamp is controlled to regularly flicker;
and controlling the working modes of the 4G lamp: the 4G lamp is a 4G network signal lamp, the fact that the SIM card is not inserted into the vehicle-mounted terminal is judged, the 4G lamp is controlled to flash fast all the time, and the flashing interval is 100 ms; judging that an IP port configured by the terminal has a problem or a network signal at the current position is weak, so that the terminal is directly connected without going to a background, and controlling a 4G lamp to slowly flicker at an interval of 3 s; judging that the vehicle-mounted terminal tries to dial a connection platform at the moment, controlling a 4G lamp to flicker for a set time and then turning off, wherein the set time is 20s-1 min; and judging that the vehicle-mounted terminal is connected with the background, normally communicating, and controlling the 4G lamp to regularly flicker.
Optionally, the frequency of the regular flashing is 1S.
Optionally, the controlling the sound prompt frequency and the sound volume of the sound alarm device specifically includes:
inserting the SD card, judging that the SD card is successfully inserted, and controlling the sound alarm device to make two drops;
5s after the SD card is inserted, controlling the sound alarm device to perform sound dripping and long ringing for 3 s;
5s after the prolonged ringing, controlling the sound alarm device to continuously drip short sound once every 10 ms;
and rapidly pulling out the SD card 2s after the sound is short, and controlling the sound alarm device to drip 4 sounds after the vehicle-mounted terminal is restarted for 3s, wherein the sound alarm device drips once every 1s, which indicates that the machine is successfully refreshed.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention provides an acousto-optic prompt system and method for a vehicle-mounted terminal, which are characterized in that a plurality of groups of alarm indicating lamps are arranged to respectively indicate different working states of the vehicle-mounted terminal, a PWR lamp is arranged to indicate whether the vehicle-mounted terminal is in a power-on state or not, a GPS lamp is arranged to indicate a GPS state, a CAN lamp is arranged to indicate a CAN communication state, an SD lamp is arranged to indicate an SD card read-write state, and a 4G lamp is arranged to indicate a 4G network state; meanwhile, different frequencies and pause dripping sounds of alarm sounds are sent by the sound alarm device to serve as the prompt for the microprocessor to read the content state of the SD card, a user can simply, conveniently and visually know the working state and the fault problem of the vehicle-mounted terminal through the alarm indicator lamp and the sound alarm device, the fault reason can be quickly positioned according to the signal lamp once the vehicle-mounted terminal fails, and meanwhile, the program efficiency of quality inspection and field updating is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a vehicle-mounted terminal acousto-optic prompt system according to an embodiment of the invention;
FIG. 2a is a flow chart of the power-on operation of a PWR lamp in accordance with an embodiment of the present invention;
FIG. 2b is a flow chart of the electrical operation under the PWR lamp in accordance with the present invention;
FIG. 3 is a flowchart illustrating operation of a CAN lamp according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating the operation of a GPS lamp according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating the operation of an SD lamp according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating the operation of a 4G lamp according to the present invention;
FIG. 7 is a flow chart of an audio alert signal indication according to an embodiment of the present invention;
description of reference numerals: 1. a control module; 2. a sound module; 3. a display module; 4. and an input module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The invention aims to provide a sound-light prompt system and method for a vehicle-mounted terminal.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the sound-light prompt system for the vehicle-mounted terminal provided by the embodiment of the present invention includes: control module 1 and with control module 1 respectively electric connection's display module 3, sound module 2 and input module 4, input module 4 includes GPS module, SD card module and whole car control system, display module 3 includes alarm indicator drive circuit and multiunit alarm indicator, alarm indicator is used for instructing the different operating condition at vehicle-mounted terminal, sound module 2 includes audible alarm drive circuit and sound alarm device, control module 1 includes microprocessor and power module, microprocessor is used for control display module 3's the display state and sound module 2's sound state, whole car control system sends whole car operating information for microprocessor through the CAN communication, power module does vehicle-mounted terminal reputation reminder system provides the power. The sound module 2 is used for prompting (downloading terminal program) the microprocessor to read the content state of the SD card, and the prompting sound is dripping sound with different frequencies. The GPS module is directly communicated with the microprocessor, and the microprocessor controls the GPS lamp to indicate the GPS state according to the communication information and the state; the SD card module is directly communicated with the microprocessor, and the microprocessor controls the SD lamp according to the read-write state of the SD card; the whole vehicle control system sends the running information of the whole vehicle to the microprocessor through CAN communication, and the microprocessor controls the CAN lamp according to the CAN communication state.
The alarm indicating lamp comprises a PWR lamp, a GPS lamp, a CAN lamp, an SD lamp and a 4G lamp, wherein the PWR lamp is used for indicating whether the vehicle-mounted terminal is in a power-on state, the GPS lamp is used for indicating a GPS state, the CAN lamp is used for indicating a CAN communication state, the SD lamp is used for indicating a read-write state of an SD card, and the 4G lamp is used for indicating a 4G network state. The 4G lamp is controlled by a 4G module, which employs AIR 720D.
The PWR lamp adopts red, GPS lamp, CAN lamp, SD lamp, 4G lamp adopt yellow green. 5 pilot lamp position is showing, handsome in appearance, the waterproof structure.
The PWR lamp is controlled by a 24V to 3.8V power supply chip, and the 24V to 3.8V power supply chip also receives an enabling signal of the microprocessor and is controlled by the microprocessor.
The microprocessor adopts S4MF06607BSPZQQ1 mainboard, audible alarm drive circuit includes pronunciation integrated amplifier SPY0030A, audible alarm device adopts the loudspeaker of 2 pins, and the inside binary channels 10 bit DAC of S4MF06607BSPZQQ1 mainboard is exported to the warning sound, sends to pronunciation integrated amplifier SPY0030A and enlargies, then plays through the loudspeaker of 2 pins.
The alarm sound is different in frequency and pause drop sound, and the drop sound is S4MF06607BSPZQQ1 main board SD card module content state prompt.
The invention also provides a vehicle-mounted terminal acousto-optic prompting method, which is applied to the vehicle-mounted terminal acousto-optic prompting system and comprises the following steps:
the microprocessor respectively controls the on-off frequency and the flashing frequency of the alarm indicator lamps and controls the sound prompting frequency and the sound volume of the sound alarm device according to the state information input by the GPS module, the SD card module and the whole vehicle control system.
Wherein, the bright frequency of going out, the scintillation of controlling multiunit warning pilot lamp respectively specifically includes:
controlling the working mode of the PWR lamp: the vehicle-mounted terminal is powered on to control the PWR lamp to be normally on; the vehicle-mounted terminal controls the PWR lamp to be turned off when the vehicle-mounted terminal is not powered or in a dormant state; when the vehicle-mounted terminal is under-voltage, the PWR lamp quickly flickers all the time, and the flickering interval is 100 ms;
as shown in fig. 2a and 2b, the user can know the working state of the vehicle-mounted terminal according to the state of the PWR lamp, and the PWR lamp use flow is as follows:
the power-on control process of the PWR lamp: after the process is started, a key is turned ON or off in the first step; secondly, judging whether the PWR lamp is on for a long time, if so, judging that the PWR lamp is normal, and ending the process; if not, continuously judging whether the PWR lamp rapidly flickers all the time (the flickering interval is 100ms), if so, judging that the terminal is under-voltage, and if not, judging that the terminal hardware has problems;
the power-off control process of the PWR lamp comprises the following steps: after the process is started, the key is turned on or OFF in the first step; secondly, judging whether the 24V to 3.8V circuit receives power-off enabling of the MCU, if not, the PWR lamp is not turned off after 3min, the terminal still normally operates, and if so, performing next judgment; and thirdly, judging whether the PWR lamp is turned off after 3min, if so, the PWR lamp is normal, and ending the process. If not, judging that the terminal hardware has problems.
And controlling the working mode of the CAN lamp: judging whether the CAN communication state is normal, if so, controlling the CAN lamp to regularly flash when the vehicle-mounted terminal receives the CAN data of the vehicle, and if not, controlling the CAN lamp to be on and off when the vehicle-mounted terminal does not receive the CAN data of the vehicle;
as shown in fig. 3, the use flow of the CAN lamp is as follows: after the process is started, a key is turned ON or off in the first step; secondly, judging whether the CAN lamp is on or off, if so, judging that the vehicle-mounted terminal does not receive the CAN data of the vehicle, and if not, carrying out the next judgment; and thirdly, judging whether the CAN lamp is always on without flickering, if so, judging whether the vehicle-mounted terminal program is not matched with the vehicle or whether the CAN terminal has a problem in wiring. If not, the next step is carried out; fourthly, the CAN lamp regularly flickers (interval of 1s) all the time, and the process is finished.
Controlling the working mode of the GPS lamp: judging whether the vehicle-mounted terminal acquires satellite positioning information or not, and if so, controlling the GPS lamp to regularly flash; if not, controlling the GPS lamp to be turned off;
as shown in fig. 4, the GPS lamp usage flow is: after the process is started, a key is turned ON or off in the first step; judging whether the GPS lamp is turned off all the time, if so, judging that the GPS module does not receive positioning information and the vehicle position signal is not good, and if not, performing the next judgment; and thirdly, judging whether the GPS lamp regularly flashes within 10s-3min (1s flash), and if not, judging that the GPS module has a problem. If so, the GPS lamp is normal, and the process is ended.
Controlling the working mode of the SD lamp: the SD lamp is an SD card read-write state lamp, judges no SD card or a poor contact state and controls the SD lamp to be on or off; if the data read-write transmission of the SD card fails, controlling the SD lamp to be normally on; if the data of the SD card is normally read and written for transmission, the SD lamp is controlled to regularly flicker;
as shown in fig. 5, the SD lamp usage flow: after the process is started, a key is turned ON or off in the first step; secondly, inserting the SD card with the complete terminal program into the SD card slot of the vehicle-mounted terminal; thirdly, judging whether the SD lamp is on or off, if so, judging whether the SD lamp is not provided with an SD card or has poor contact, and if not, carrying out the next judgment; and fourthly, judging whether the SD lamp is on for a long time, if so, judging that the data read-write transmission is in failure, and no data read-write transmission is available. If not, the next step is carried out; and fifthly, regularly flashing the SD lamp (interval 1s) all the time, and ending the process.
And controlling the working modes of the 4G lamp: the 4G lamp is a 4G network signal lamp, the fact that the SIM card is not inserted into the vehicle-mounted terminal is judged, the 4G lamp is controlled to flash fast all the time, and the flashing interval is 100 ms; judging that an IP port configured by the terminal has a problem or a network signal at the current position is weak, so that the terminal is directly connected without going to a background, and controlling a 4G lamp to slowly flicker at an interval of 3 s; judging that the vehicle-mounted terminal tries to dial a connection platform at the moment, controlling a 4G lamp to flicker for a set time and then turning off, wherein the set time is 20s-1 min; and judging that the vehicle-mounted terminal is connected with the background, normally communicating, and controlling the 4G lamp to regularly flicker.
As shown in fig. 6, the 4G lamp usage flow is: after the process is started, a key is turned ON or off in the first step; secondly, judging whether the 4G lamp rapidly flickers all the time (the interval is 100ms), if so, judging that the SIM card is not inserted into the vehicle-mounted terminal, and if not, carrying out next judgment; and thirdly, judging whether the 4G lamp slowly flashes all the time (interval 3s), if so, judging that an IP port configured on the vehicle-mounted terminal has a problem or that the current network signal is weak and directly connected without being uploaded to a background. If not, the next step is carried out; and fourthly, regularly flashing the 4G lamp (interval 1s) all the time, and ending the process.
Wherein, control audible alarm device's sound suggestion frequency, volume specifically include:
inserting the SD card, judging that the SD card is successfully inserted, and controlling the sound alarm device to make two drops;
5s after the SD card is inserted, controlling the sound alarm device to perform sound dripping and long ringing for 3 s;
5s after the prolonged ringing, controlling the sound alarm device to continuously drip short sound once every 10 ms;
and rapidly pulling out the SD card 2s after the sound is short, and controlling the sound alarm device to drip 4 sounds after the vehicle-mounted terminal is restarted for 3s, wherein the sound alarm device drips once every 1s, which indicates that the machine is successfully refreshed.
As shown in fig. 7, the procedure of using the voice prompt signal is as follows: after the process is started, inserting an SD card provided with a complete terminal program into an SD card slot of the vehicle-mounted terminal in the first step; secondly, the vehicle-mounted terminal gives out two sounds of what drops; thirdly, judging whether the SD card is subjected to beeping for 2s or not and is subjected to beeping-long for 3s, if not, judging that the SD card has no program or has a problem, updating the program again after solving the problem, and if so, performing the next judgment; fourthly, judging whether the sound is dripping-short sound (dripping once in 10 ms) 5s after the long ringing, if not, judging that a program at the bottom layer of the terminal or terminal hardware has a problem, updating the program again after the problem is solved, and if so, judging the next step; step five, judging whether the terminal program is updated for the first time, if so, repeating the step three and the step four, and if not, carrying out the next step; sixthly, rapidly pulling out the SD card 2s after the sound is shortened; seventhly, judging whether the terminal is restarted (power is cut off and then powered on) for 3s, judging whether the terminal hears drops of 4 drops (1s drops once), if not, judging that a bottom program or terminal hardware has problems, updating the program again after the problems are solved, and if so, carrying out the next step; and eighthly, the machine is refreshed successfully, and the process is finished.
Those skilled in the art will appreciate that the configuration shown in fig. 1 is not intended to limit the in-vehicle terminal audible and visual prompting system of the present invention, and may include more or less components than those shown, or some components in combination, or a different arrangement of components, and that the in-vehicle terminal audible and visual prompting control in fig. 2-7 is also implemented using more or less components than those shown in fig. 1, or some components in combination, or a different arrangement of components. The control flow referred to in the invention refers to a series of computer programs that can be executed by the microprocessor in the acousto-optic prompt system of the target vehicle-mounted terminal and can complete specific functions, and all the computer programs can be stored in the storage device of the acousto-optic prompt system of the target vehicle-mounted terminal.
The invention provides an acousto-optic prompt system and method for a vehicle-mounted terminal, which are characterized in that a plurality of groups of alarm indicating lamps are arranged to respectively indicate different working states of the vehicle-mounted terminal, a PWR lamp is arranged to indicate whether the vehicle-mounted terminal is in a power-on state or not, a GPS lamp is arranged to indicate a GPS state, a CAN lamp is arranged to indicate a CAN communication state, an SD lamp is arranged to indicate an SD card read-write state, and a 4G lamp is arranged to indicate a 4G network state; meanwhile, different frequencies and pause dripping sounds of alarm sounds are sent by the sound alarm device to serve as the prompt for the microprocessor to read the content state of the SD card, a user can simply, conveniently and visually know the working state and the fault problem of the vehicle-mounted terminal through the alarm indicator lamp and the sound alarm device, the fault reason can be quickly positioned according to the signal lamp once the vehicle-mounted terminal fails, and meanwhile, the program efficiency of quality inspection and field updating is improved.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a vehicle mounted terminal reputation reminder system, a serial communication port, including control module and with control module difference electric connection's display module, sound module and input module, input module includes GPS module, SD card module and whole car control system, display module includes alarm indicator drive circuit and multiunit alarm indicator, alarm indicator is used for instructing vehicle mounted terminal's different operating condition, sound module includes audible alarm drive circuit and audible alarm device, control module includes microprocessor and power module, microprocessor is used for control display module's display state and sound module's sound state, whole car control system sends whole car operating information for microprocessor through the CAN communication.
2. The vehicle terminal acousto-optic warning system according to claim 1, wherein the alarm indicating lamp includes a PWR lamp, a GPS lamp, a CAN lamp, an SD lamp and a 4G lamp, the PWR lamp is used for indicating whether the vehicle terminal is in a power-on state, the GPS lamp is used for indicating a GPS state, the CAN lamp is used for indicating a CAN communication state, the SD lamp is used for indicating a SD card read-write state, and the 4G lamp is used for indicating a 4G network state.
3. The vehicle-mounted terminal acousto-optic prompting system according to claim 2, characterized in that the PWR lamp is red, and the GPS lamp, the CAN lamp, the SD lamp and the 4G lamp are yellow-green.
4. The vehicle-mounted terminal acousto-optic warning system according to claim 1, characterized in that the microprocessor adopts an S4MF06607BSPZQQ1 main board, the audible alarm driving circuit includes a voice integrated amplifier SPY0030A, the audible alarm device adopts a 2pin horn, and the alarm sound is output through a dual-channel 10-bit DAC inside the S4MF06607BSPZQQ1 main board, sent to the voice integrated amplifier SPY0030A for amplification and then played through the 2pin horn.
5. The in-vehicle terminal acousto-optic warning system according to claim 4, characterized in that the alarm sound is a different frequency, pause drop sound, and the drop sound is a S4MF06607BSPZQQ1 main board read SD card module content status warning.
6. A vehicle-mounted terminal acousto-optic prompting method is applied to the vehicle-mounted terminal acousto-optic prompting system of any one of claims 1-5, and is characterized by comprising the following steps:
the microprocessor respectively controls the on-off frequency and the flashing frequency of the alarm indicator lamps and controls the sound prompting frequency and the sound volume of the sound alarm device according to the state information input by the GPS module, the SD card module and the whole vehicle control system.
7. The vehicle-mounted terminal acousto-optic prompting method according to claim 6, wherein the controlling of the on-off and flashing frequencies of the plurality of groups of alarm indicator lamps respectively specifically comprises:
controlling the working mode of the PWR lamp: the vehicle-mounted terminal is powered on to control the PWR lamp to be normally on; the vehicle-mounted terminal controls the PWR lamp to be turned off when the vehicle-mounted terminal is not powered or in a dormant state; when the vehicle-mounted terminal is under-voltage, the PWR lamp quickly flickers all the time, and the flickering interval is 100 ms;
and controlling the working mode of the CAN lamp: judging whether the CAN communication state is normal, if so, controlling the CAN lamp to regularly flash when the vehicle-mounted terminal receives the CAN data of the vehicle, and if not, controlling the CAN lamp to be on and off when the vehicle-mounted terminal does not receive the CAN data of the vehicle;
controlling the working mode of the GPS lamp: judging whether the vehicle-mounted terminal acquires satellite positioning information or not, and if so, controlling the GPS lamp to regularly flash; if not, controlling the GPS lamp to be turned off;
controlling the working mode of the SD lamp: the SD lamp is an SD card read-write state lamp, judges no SD card or a poor contact state and controls the SD lamp to be on or off; if the data read-write transmission of the SD card fails, controlling the SD lamp to be normally on; if the data of the SD card is normally read and written for transmission, the SD lamp is controlled to regularly flicker;
and controlling the working modes of the 4G lamp: the 4G lamp is a 4G network signal lamp, the fact that the SIM card is not inserted into the vehicle-mounted terminal is judged, the 4G lamp is controlled to flash fast all the time, and the flashing interval is 100 ms; judging that an IP port configured by the terminal has a problem or a network signal at the current position is weak, so that the terminal is directly connected without going to a background, and controlling a 4G lamp to slowly flicker at an interval of 3 s; judging that the vehicle-mounted terminal tries to dial a connection platform at the moment, controlling a 4G lamp to flicker for a set time and then turning off, wherein the set time is 20s-1 min; and judging that the vehicle-mounted terminal is connected with the background, normally communicating, and controlling the 4G lamp to regularly flicker.
8. The vehicle-mounted terminal acousto-optic prompting method according to claim 7, characterized in that the frequency of the regular flashing is 1S.
9. The vehicle-mounted terminal acousto-optic prompting method according to claim 6, wherein the controlling of the audible prompting frequency and the volume of the audible alarm device specifically comprises:
inserting the SD card, judging that the SD card is successfully inserted, and controlling the sound alarm device to make two drops;
5s after the SD card is inserted, controlling the sound alarm device to perform sound dripping and long ringing for 3 s;
5s after the prolonged ringing, controlling the sound alarm device to continuously drip short sound once every 10 ms;
and rapidly pulling out the SD card 2s after the sound is short, and controlling the sound alarm device to drip 4 sounds after the vehicle-mounted terminal is restarted for 3s, wherein the sound alarm device drips once every 1s, which indicates that the machine is successfully refreshed.
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