CN202159129U - Electric quantity voice prompt device for electronic product - Google Patents
Electric quantity voice prompt device for electronic product Download PDFInfo
- Publication number
- CN202159129U CN202159129U CN2011201921265U CN201120192126U CN202159129U CN 202159129 U CN202159129 U CN 202159129U CN 2011201921265 U CN2011201921265 U CN 2011201921265U CN 201120192126 U CN201120192126 U CN 201120192126U CN 202159129 U CN202159129 U CN 202159129U
- Authority
- CN
- China
- Prior art keywords
- electric weight
- chip
- prompt device
- microcontroller
- electronic product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
The utility model provides an electric quantity voice prompt device for an electronic product, characterized in comprising a detection button, an electric quantity detection chip, a microcontroller, a voice module and a loudspeaker, wherein the input end of the electric quantity detection chip is connected with a cell to be detected, the output end of the electric quantity detection chip is connected with the microcontroller, the detection button is connected with the microcontroller, the data output end and the control end of the microcontroller are connected with the input end and the control end of the voice module, and the output end of the voice module is connected with the loudspeaker. The electric quantity voice prompt device can prompt an electricity quantity voice form, especially suitable for the blind. The electric quantity voice prompt device is directly connected with the cell, the electric quantity of the cell can be detected at any time, the use is convenient and the university is strong. According to the electric quantity voice prompt device, the function circuit is packaged as a module, being strong in portability.
Description
Technical field
The utility model relates to technical field of electronic products, and specifically, the utility model relates to a kind of electric weight sound prompt device that is used for electronic product.
Background technology
Along with the development of infotech, various new electronic products continue to bring out, and particularly the enormous amount of mobile electronic product (comprising notebook computer, mobile phone, e-book, MP3/MP4, PDA etc.), various in style has got among the daily life.These electronic products generally all adopt powered battery, and the situation of electric weight shows on display screen usually.This characteristics of obviously not considering the blind person that relate in use cause a lot of inconvenience for the blind person.And China blind person has more than 1,000 ten thousand, and this problem is more serious.At present; Have only a few producer that simple auditory tone cues mode is provided, when electric weight is low, can send the warning that ticks, but this mode can not be carried out electric weight detection and voice suggestion on demand at any time like some mobile phone; Therefore, blind person's still very inconvenience in use.
Therefore, current pressing for a kind ofly can carry out at any time that electric weight detects and the electric weight sound prompt device that is used for electronic product of voice suggestion.
The utility model content
The purpose of the utility model provides a kind of electric weight sound prompt device that is used for electronic product that can carry out electric weight detection and voice suggestion at any time.
For realizing above-mentioned utility model purpose, the utility model provides a kind of electric weight sound prompt device that is used for electronic product, comprising: test button, electric weight detection chip, microcontroller, voice module and loudspeaker; Wherein, The input end of electric weight detection chip is connected with the battery that is detected; The output terminal of electric weight detection chip is connected mutually with microcontroller, and test button is connected with microcontroller, and the data output end of microcontroller links to each other with the input end of voice module; The control end of microcontroller links to each other with the control end of voice module, and the output terminal of voice module is connected with loudspeaker.
Wherein, said electric weight detection chip adopts the BQ27200 chip of Texas Instruments.
Wherein, said microcontroller adopts the Attiny24 chip of atmel corp.
Wherein, said microcontroller is connected with said BQ27200 chip through the I2C bus.
Wherein, said voice module comprises speech chip and Flash chip.
Wherein, said speech chip adopts the WT588D chip.
Wherein, said Microspeaker adopts 3156 type Microspeakers.
Wherein, said test button adopts small size vertical type touch-switch.
Wherein, described electric weight sound prompt device also comprises the LDO power circuit, and the input end of said LDO power circuit connects device battery interface to be measured, and output terminal connects said microcontroller and is used for power supply.
Compared with prior art, the utlity model has following technique effect:
1, the utility model can accurately be pointed out electric weight with voice, is particularly suitable for the blind person and uses.
2, the electric weight sound prompt device of the utility model directly connects battery, and electric weight that can the detection at any time battery is easy to use, highly versatile.
3, the electric weight sound prompt device of the utility model is encapsulated as a module with functional circuit, and is portable strong.
Description of drawings
Fig. 1 shows the structural representation of an embodiment of the utility model;
Fig. 2 shows the structural representation of a preferred embodiment of the utility model;
Fig. 3 shows the circuit diagram of the BQ27200 chip in preferred embodiment of the utility model;
Fig. 4 shows the I2C reading and writing command format synoptic diagram of the BQ27200 chip in preferred embodiment of the utility model;
Fig. 5 shows the circuit diagram based on the voice module of line serial ports control in preferred embodiment of the utility model;
Fig. 6 shows the workflow of the electric weight sound prompt device in preferred embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done description further.
An embodiment according to the utility model; A kind of electric weight sound prompt device that is used for electronic product is provided; As shown in Figure 1, this device comprises: test button, electric weight detection chip, microcontroller (like microcontroller chip), voice module (such as being made up of speech chip and Flash chip) and loudspeaker (like Microspeaker).Wherein, the input end of electric weight detection chip is connected with the battery that is detected.The output terminal of electric weight detection chip is connected mutually with microcontroller, and test button is connected with microcontroller, the input end of the data output end of microcontroller and control end and voice module and control end, and the output terminal of voice module is connected with loudspeaker.Test button is used for the detecting operation that the user starts battery electric quantity.Such as, when the blind person used said electric weight sound prompt device, the blind person pressed test button, and then electric weight detects beginning.Detecting the said test button in end back automatically resets.
The electric weight detection chip is used to detect the electric weight of battery, and testing result is sent to microcontroller; Microcontroller is used to resolve electric quantity data and control voice module output voice messaging; Voice module comprises that (this only is an example for speech chip and Flash chip; The structure of the utility model voice module is not limited to this); The address date that speech chip sends according to microcontroller is searched and is pre-stored in the corresponding voice messaging of Flash chip internal, and reports through loudspeaker.
Further, according to a preferred embodiment of the utility model, the another kind of electric weight sound prompt device that is used for electronic product is provided.As shown in Figure 2, the structure of this device and last embodiment basically identical comprise: test button, electric weight detection chip, microcontroller, voice module and loudspeaker.
Wherein, test button adopts small size vertical type touch-switch, is simple and easy to use.
The electric weight detection chip adopts the BQ27200 chip of Texas Instruments, shown in the typical circuit that Fig. 3 shows a kind of BQ27200 chip.The BQ27200 chip is applicable to the detection of lithium ion polymer battery.Its sensing range is 300 to 6000mAH, and voltage is single core 4.2V.The BQ27200 chip comprises that being used for voltage and thermometric analog to digital converter and an electric current responds to ADC with charging; The BQ27200 chip internal has ram register, and parameters such as temperature, voltage, electric current, remaining runtime can accurately be provided; The BQ27200 chip internal is also integrated programmable EEPROM is in order to preserve nonvolatil user profile; The data-interface of BQ27200 chip is a standard I 2C interface, and read write command sees accompanying drawing 4 for details.The WV of BQ27200 chip is+3.3V, normally moves the little 90 μ A of power consumption, has advantage of low power consumption.Adopt 10-pin QFN encapsulation.
The BQ27200 chip the is integrated internal microprocessor of TI battery electric quantity monitoring calculation method; These algorithms will compensate the self discharge of lithium ion (Li-ion) battery, aging, temperature and discharge rate; Avoid the host computer system processes device need not carry out eternal calculating, improved the data accuracy.This chip can be monitored the electric weight of battery in real time in the battery use, and deposits up-to-date battery electric quantity in ram register (this register is the register that BQ27200 carries).
Below, be example with 18650 single core lithium ion batteries, the electric weight computing method in the BQ27200 chip are described.
According to the relation of initialized configuration information and cell voltage and capacity, do 6 classifications.Battery capacity and voltage relationship classification are as shown in table 1.
Table 1
BQ27200 chip initiation process is following: enable inner EEPROM write 0xDD to the address 0x6E, parameters such as initial cells discharge capacity, EDV1, DEVF threshold voltage, initial standby load electric current, temperature compensation are write address 0x76～0x7f; Finish EEPROM write data 0x00 to address 0x6E.
In a preferred embodiment; Microcontroller reads BQ27200 chip RAM0x08,0x09 address contents data through the I2C bus; And be 10 system data with 16 system data-switching; Unit is mv, and exports corresponding information of voice prompt according to the corresponding relation microprocessor controls speech chip of table 1, realizes real-time electric weight realize voice report.Fig. 4 shows the I2C reading and writing command format synoptic diagram of BQ27200 chip, and wherein (a) part is that 1 byte is write (1-byte write) command format; (b) part is for read (quick read) command format soon; (c) part is that 1 byte is read (1-byte read) command format; (d) part is read (incremental read) command format for increasing progressively.Among the figure, S=Start, Sr=Repeated Start, A=Acknowledge, N=No Acknowledge, P=Stop.
Certainly also can read parameter informations such as temperature, electric current according to actual needs, this is that those skilled in the art are understandable, does not detail one by one at this.
In a preferred embodiment, microcontroller adopts the Attiny24 chip of atmel corp.The Attiny24 chip is a kind of high-performance, low-power consumption
8 8-digit microcontrollers, and it adopts senior risc architecture.But AT Tiny24 chip has the FLASH memory of the in-system programming of 2KByte, has erase-write cycles 10000 times, and program run is reliable and stable.AT Tiny24 chip USB USI, configurable is bus such as I2C/SPI, the convenient use; Support debugging on the debugWIRE mode sheet, can be implemented in systems programming ISP through the SPI mouth; Operating rate is: 0-10MHz2.7-5.5V, 0-20MHz4.5-5.5V; Support the wide voltage of 2.7-5.5V; Can under-40-85 ℃ technical grade temperature, work, be fit to various environmental applications.
The Attiny24 chip is that electric quantity acquisition provides reliable control with the control voice module, and particularly inner integrated I2C interface directly connects electric quantity monitoring chip I 2C interface, and exploitation is convenient, improves the reliability of program run.
In a preferred embodiment, voice module comprises speech chip and Flash chip (like SPI-Falsh), and speech chip adopts WT588D chip (being WT588D voice single-chip microcomputers).The WT588D chip is that only to create collection single-chip microcomputer and the sound circuit that Science and Technology Ltd. associating Taiwan China nation develops jointly be the speech chip edited of one in Guangzhou; Embedded DSP high speed audio process, processing speed is fast; Built-in 13Bit/DA converter, and 12Bit/PWM output, tonequality is good; Can be through professional host computer function software, arbitrary combination voice; Support button control model, a line serial ports control model, the control of three-way serial ports; Adopt the PWM and the DAC way of output, PWM output can directly promote the loudspeaker of 0.5W～1W/8 Ω.The WV of WT588D chip is DC2.8V～5.5V, has low-power consumption, jamproof advantage; And can plug-in SPI-Falsh with the access voice messaging.
In a preferred embodiment, voice module adopts a line traffic control mode, only uses two IO of microcontroller; One connects the RESET pin, and one connects the DATA pin, and microcontroller sends the address to it; Then it broadcasts the voice segments information of corresponding address automatically, and control is simple.Supporting WT-APP host computer function software can arbitrarily change any control model of WT588D voice singlechip chip, downloads to SPI-Flash to voice messaging and goes up and get final product.Fig. 5 shows a kind of circuit of the voice module based on line serial ports control.
In a preferred embodiment, the voice suggestion content is divided into 6 grades: electric weight more than or equal to 10%, electric weight 30%..., electric weight 90%, per 20% is one-level.When electric weight＜10% can be pointed out " current electric quantity electric weight deficiency is please in time charged "; When electric weight more than or equal to 90%, can point out " the current residual electric weight is 90 percent, electric weight sufficient ", " current electric quantity be percent what " suggestion voice information be in other grades.These voice suggestion contents can be changed according to actual needs.
In a preferred embodiment, Microspeaker adopts 3156 type Microspeakers, and its major function and index are following:
Rated power: 1W; Rated impedance: 8 Ω;
Frequency response: Fo-10000 (kHz);
Sensitivity/volume: 3 decibels/1.0 watts/0.5 meter (dB/W), volume can reach 60 decibels;
Outline packages: oval, small size; Passive moving-coil type can direct-connected speech chip.
In addition, in a preferred embodiment, the electric weight sound prompt device that is used for electronic product also comprises the LDO power circuit, and its input end connects device battery interface to be measured, and output terminal connects microcontroller and is used for power supply.
Fig. 6 shows the workflow of the electric weight sound prompt device that is used for electronic product of a preferred embodiment of the utility model.
What should explain at last is; Above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; And on using, can extend to other modification, variation, application and embodiment, think that simultaneously all such modifications, variation, application, embodiment are in the spirit and scope of the utility model.
Claims (9)
1. an electric weight sound prompt device that is used for electronic product is characterized in that, said electric weight sound prompt device comprises: test button, electric weight detection chip, microcontroller, voice module and loudspeaker; Wherein, The input end of electric weight detection chip is connected with the battery of the electronic product that is detected; The output terminal of electric weight detection chip is connected mutually with microcontroller, and test button is connected with microcontroller, and the data output end of microcontroller links to each other with the input end of voice module; The control end of microcontroller links to each other with the control end of voice module, and the output terminal of voice module is connected with loudspeaker.
2. the electric weight sound prompt device that is used for electronic product according to claim 1 is characterized in that, said electric weight detection chip adopts the BQ27200 chip of Texas Instruments.
3. the electric weight sound prompt device that is used for electronic product according to claim 1 is characterized in that, said microcontroller adopts the Attiny24 chip of atmel corp.
4. the electric weight sound prompt device that is used for electronic product according to claim 2 is characterized in that, said microcontroller is connected with said BQ27200 chip through the I2C bus.
5. the electric weight sound prompt device that is used for electronic product according to claim 1 is characterized in that said voice module comprises speech chip and Flash chip.
6. the electric weight sound prompt device that is used for electronic product according to claim 5 is characterized in that, said speech chip adopts the WT588D chip.
7. the electric weight sound prompt device that is used for electronic product according to claim 1 is characterized in that said Microspeaker adopts 3156 type Microspeakers.
8. the electric weight sound prompt device that is used for electronic product according to claim 1 is characterized in that, said test button adopts small size vertical type touch-switch.
9. the electric weight sound prompt device that is used for electronic product according to claim 1; It is characterized in that; Described electric weight sound prompt device also comprises the LDO power circuit; The input end of said LDO power circuit connects device battery interface to be measured, and output terminal connects said microcontroller and is used for power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201921265U CN202159129U (en) | 2011-06-09 | 2011-06-09 | Electric quantity voice prompt device for electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201921265U CN202159129U (en) | 2011-06-09 | 2011-06-09 | Electric quantity voice prompt device for electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159129U true CN202159129U (en) | 2012-03-07 |
Family
ID=45766761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201921265U Expired - Lifetime CN202159129U (en) | 2011-06-09 | 2011-06-09 | Electric quantity voice prompt device for electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035049A (en) * | 2014-06-25 | 2014-09-10 | 小米科技有限责任公司 | Method, device and system for detecting battery power |
-
2011
- 2011-06-09 CN CN2011201921265U patent/CN202159129U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035049A (en) * | 2014-06-25 | 2014-09-10 | 小米科技有限责任公司 | Method, device and system for detecting battery power |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203933124U (en) | A kind of single interface portable power source, bluetooth keyboard and protective sleeve | |
| CN205050134U (en) | Portable power source TYPE -C interface management circuit | |
| CN107995166B (en) | Multi-protocol quick charging adapter and adaptation method | |
| CN202159129U (en) | Electric quantity voice prompt device for electronic product | |
| CN203481895U (en) | Power calculation and display system for portable power source, and portable power source thereof | |
| CN206585368U (en) | A kind of charger baby with USB flash disk and WIFI functions | |
| CN202104911U (en) | Reinforced ear thermometer | |
| CN103682863A (en) | Voice reminding charging data wire and charging method of charging data wire | |
| CN102867201A (en) | Super-high-frequency electronic tag reading-writing system based on tablet personal computer | |
| CN102420899A (en) | Device and method for automatically switching working state of Bluetooth terminal equipment according to working state of mainframe | |
| CN203445629U (en) | Multifunctional back clip system of intelligent mobile terminal | |
| CN202661610U (en) | Remote controller and detection device for electric quantity of battery thereof | |
| CN204012869U (en) | A kind of dry battery charge system of mobile phone | |
| CN205141771U (en) | Apple mobile device connecting circuit with power supply and otg function are switched | |
| CN202916420U (en) | Electric quantity detecting circuit of mobile power supply | |
| CN104659846A (en) | Wireless device and wireless charging method | |
| CN204706351U (en) | Flash memory device | |
| CN105380615A (en) | Electronic thermometer used in connection to smart phone | |
| CN204706911U (en) | With the portable power source of WIFI memory | |
| CN206283271U (en) | A kind of portable power source | |
| CN205899264U (en) | General watch circuit | |
| CN204425445U (en) | A kind of air quality perception external member based on smartphone audio frequency interface | |
| CN202334614U (en) | Device capable of automatically switching working state of Bluetooth terminal equipment according to host working state | |
| CN207991677U (en) | A kind of superhigh precision electronic scale based on instrument amplifier | |
| CN206990764U (en) | A kind of accurate ordinary surveying circuit of intelligent projection terminal device battery electricity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
|
| CX01 | Expiry of patent term |