CN204143561U - A kind of digitize voice warning device of vehicle control device - Google Patents
A kind of digitize voice warning device of vehicle control device Download PDFInfo
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- CN204143561U CN204143561U CN201420630343.1U CN201420630343U CN204143561U CN 204143561 U CN204143561 U CN 204143561U CN 201420630343 U CN201420630343 U CN 201420630343U CN 204143561 U CN204143561 U CN 204143561U
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Abstract
The digitize voice warning device that the utility model discloses a kind of vehicle control device comprises: digital quantity storage unit, is configured for and suggestion voice signal is converted to digital signal, and described digital signal is stored; DAB broadcast unit, is configured for and plays as primary speech signal by the digital signal read from digital quantity storage unit; And digital audio power amplifying unit, the audio frequency being configured for the primary speech signal play by described DAB broadcast unit amplifies output, wherein, described DAB broadcast unit input end is connected with the output terminal of described digital quantity storage unit, and the input end of described digital audio power amplifying unit is connected with the output terminal of described DAB broadcast unit.Digitized speech quality is good, and sound effect is clear, also can be driver and provide clear prompting warning message in noisy driving procedure; Make driver can handling failure in time, decrease potential safety hazard.
Description
Technical field
The utility model relates to field of vehicle control, particularly relates to a kind of digitize voice warning device of vehicle control device.
Background technology
At present, the prompting alarm of vehicle control device is all arranged in pilothouse, but when operation, large owing to driving room noise, and driver is difficult to the very first time and hears voice prompt, and therefore driver can not accomplish timely handling failure, easily causes potential safety hazard.
Summary of the invention
The utility model is to solve deficiency of the prior art, and provide a kind of warning fast fast, efficiency is high, the digitize voice warning device of the vehicle control device that volume is little.
The technical scheme of the digitize voice warning device of a kind of vehicle control device of the utility model is:
Comprise: digital quantity storage unit, be configured for and suggestion voice signal is converted to digital signal, and described digital signal is stored;
DAB broadcast unit, is configured for and plays as primary speech signal by the digital signal read from digital quantity storage unit; And
Digital audio power amplifying unit, the audio frequency being configured for the primary speech signal play by described DAB broadcast unit amplifies output, wherein,
Described DAB broadcast unit input end is connected with the output terminal of described digital quantity storage unit, and the input end of described digital audio power amplifying unit is connected with the output terminal of described DAB broadcast unit.
The technical scheme of the digitize voice warning device of a kind of vehicle control device of the utility model can also be:
Described digital quantity storage unit is two the M25P32 chips be set up in parallel, and each described M25P32 chip is all connected with described DAB broadcast unit.
Described DAB broadcast unit is two WT588D chips, and the described M25P32 output terminal that the input end of each described WT588D chip is corresponding with position connects, and the output terminal of each described WT588D chip divides and is all connected with described digital audio power amplifying unit.
Described digital audio power amplifying unit is the MAX9736A amplifier of MAXIM.
The output terminal of each described WT588D chip is all connected with MAX9736A amp.in.
Described WT588D chip is provided with the control interface be connected with external control unit outside.
The digitize voice warning device of a kind of vehicle control device of the present utility model, comprising: digital quantity storage unit, is configured for and suggestion voice signal is converted to digital signal, and described digital signal is stored;
DAB broadcast unit, is configured for and plays as primary speech signal by the digital signal read from digital quantity storage unit; And
Digital audio power amplifying unit, the audio frequency being configured for the primary speech signal play by described DAB broadcast unit amplifies output, wherein,
Described DAB broadcast unit input end is connected with the output terminal of described digital quantity storage unit, and the input end of described digital audio power amplifying unit is connected with the output terminal of described DAB broadcast unit.
Like this, more signal message can be stored by digital storage unit, convert digital signal to voice signal by DAB broadcast unit and digital audio power amplifying unit again to play, digitized speech quality is good, sound effect is clear, also can be driver and provide clear prompting warning message in noisy driving procedure; Make driver can handling failure in time, decrease potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural representation of the digitize voice warning device of a kind of vehicle control device of the utility model;
Fig. 2 is the circuit diagram of the digitize voice warning device of a kind of vehicle control device of the utility model.
Embodiment
Be further described below in conjunction with the digitize voice warning device of specific embodiment to a kind of vehicle control device of the utility model.
As shown in Figure 1, a kind of digitize voice warning device of vehicle control device, comprising:
Digital quantity storage unit, is configured for and suggestion voice signal is converted to digital signal, and described digital signal is stored;
DAB broadcast unit, is configured for and plays as primary speech signal by the digital signal read from digital quantity storage unit; And
Digital audio power amplifying unit, the audio frequency being configured for the primary speech signal play by described DAB broadcast unit amplifies output, wherein,
Described DAB broadcast unit input end is connected with the output terminal of described digital quantity storage unit, and the input end of described digital audio power amplifying unit is connected with the output terminal of described DAB broadcast unit.
Like this, more signal message can be stored by digital storage unit, convert digital signal to voice signal by DAB broadcast unit and digital audio power amplifying unit again to play, digitized speech quality is good, sound effect is clear, also can be driver and provide clear prompting warning message in noisy driving procedure; Make driver can handling failure in time, decrease potential safety hazard.
See accompanying drawing 2, the digitize voice warning device of a kind of vehicle control device of the present utility model on the basis of technique scheme, Ke Yishi:
Described digital quantity storage unit is two the M25P32 chips be set up in parallel, and each described M25P32 chip is all connected with described DAB broadcast unit.Like this, described M25P32 chip is the FLASH of 32Mbit, and input voltage is 2.7V-3.6V, spi bus interface, and traffic rate reaches 75MHz, adopts the sampling rate of 6K can store the voice messaging of 1000 seconds.And adopting parallel combinations mode, the inner capacities of storage is strengthened, and also leaves space for later Function Extension.Wherein, J401 and J402 is digital speech information download interface, the digitized voice files in computer can be downloaded in described M25P32 chip by described interface; And after completing control, also can digital voice file be changed with customer requirement.
Further technical scheme can also be: described DAB broadcast unit is two WT588D chips, the described M25P32 output terminal that the input end of each described WT588D chip is corresponding with position connects, and the output terminal of each described WT588D chip divides and is all connected with described digital audio power amplifying unit.U402 and U404 is two WT588D chip broadcast units, is play by the digital speech of storage respectively and flows to U401 digital audio power amplifying unit for sound signal through W401 and W402; Like this, adopt two-channel Design Mode, can simultaneously for vehicle provides the outer multiple different voice message of Che Nei and car or alarm sound.
Further preferred technical scheme can be: described digital audio power amplifying unit is the MAX9736A amplifier of MAXIM.Like this, the audio power of exportable 30 watts when MAX9736A amplifier exports as single channel, as the audio power that every road exportable during doubleway output is 15 watts, efficiency can reach 88%, compare the efficiency of AB class audio frequency power amplifier the highest 48%, output efficiency improves 40%, can Direct driver loudspeaker, and without the need to installing extra heat radiator additional.
Further preferred technical scheme also can be: the output terminal of each described WT588D chip is all connected with MAX9736A amp.in.Described WT588D chip embedded DSP high speed audio processor, processing speed is quicker; Described WT588D chip supports DAC/PWM two kinds of way of outputs, supports to load WAV audio format and 6K ~ 22KHz sampling rate audio frequency.
Further preferred technical scheme can also be: described WT588D chip is provided with the control interface be connected with external control unit outside.External control unit outside carries out Play Control by the control interface 7,8,9 of WT588D chip.
Above-mentionedly only a kind of specific embodiment in the utility model to be illustrated; but can not as protection domain of the present utility model; every according to the change of the equivalence done by design spirit in the utility model or modification, all should think and fall into protection domain of the present utility model.
Claims (6)
1. a digitize voice warning device for vehicle control device, is characterized in that: comprising:
Digital quantity storage unit, is configured for and suggestion voice signal is converted to digital signal, and described digital signal is stored;
DAB broadcast unit, is configured for and plays as primary speech signal by the digital signal read from digital quantity storage unit; And
Digital audio power amplifying unit, the audio frequency being configured for the primary speech signal play by described DAB broadcast unit amplifies output, wherein,
Described DAB broadcast unit input end is connected with the output terminal of described digital quantity storage unit, and the input end of described digital audio power amplifying unit is connected with the output terminal of described DAB broadcast unit.
2. the digitize voice warning device of a kind of vehicle control device according to claim 1, it is characterized in that: described digital quantity storage unit is two the M25P32 chips be set up in parallel, and each described M25P32 chip is all connected with described DAB broadcast unit.
3. the digitize voice warning device of a kind of vehicle control device according to claim 2, it is characterized in that: described DAB broadcast unit is two WT588D chips, the described M25P32 output terminal that the input end of each described WT588D chip is corresponding with position connects, and the output terminal of each described WT588D chip is all connected with described digital audio power amplifying unit.
4. the digitize voice warning device of a kind of vehicle control device according to claim 3, is characterized in that: described digital audio power amplifying unit is the MAX9736A amplifier of MAXIM.
5. the digitize voice warning device of a kind of vehicle control device according to claim 4, is characterized in that: the output terminal of each described WT588D chip is all connected with MAX9736A amp.in.
6. the digitize voice warning device of a kind of vehicle control device according to any one of claim 3-5 claim, is characterized in that: described WT588D chip is provided with the control interface be connected with external control unit outside.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420630343.1U CN204143561U (en) | 2014-10-28 | 2014-10-28 | A kind of digitize voice warning device of vehicle control device |
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| CN201420630343.1U CN204143561U (en) | 2014-10-28 | 2014-10-28 | A kind of digitize voice warning device of vehicle control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683253A (en) * | 2016-12-13 | 2017-05-17 | 上海迪爱斯通信设备有限公司 | Job number voice broadcasting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683253A (en) * | 2016-12-13 | 2017-05-17 | 上海迪爱斯通信设备有限公司 | Job number voice broadcasting system |
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