CN201826605U - Key with MP3 function - Google Patents
Key with MP3 function Download PDFInfo
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- CN201826605U CN201826605U CN2010205646582U CN201020564658U CN201826605U CN 201826605 U CN201826605 U CN 201826605U CN 2010205646582 U CN2010205646582 U CN 2010205646582U CN 201020564658 U CN201020564658 U CN 201020564658U CN 201826605 U CN201826605 U CN 201826605U
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Abstract
The utility model relates to a key with MP3 function, which comprises a key body, and has the main technical characteristics that a control circuit and a power module are arranged in the key body; the power module is connected with the control circuit and provides power for the control circuit; the control circuit comprises a microprocessor, an MP3 module, a memorizer, an audio output module and a USB module; the microprocessor is connected with all modules, and a display screen and an MP3 press key which are arranged on the key body through I/O interfaces; and the audio output module and the USB module are respectively connected with headset jacks and a USB interface which are arranged on the key body. The key with MP3 function has reasonable design, and organically integrates the MP3 function and data storage function in the key, the key not only is a remote-control key, but also can adopt any other types of keys. The utility model has the advantages of rich functions, portability, low cost, convenience in production and maintenance, wide applicable range, etc.
Description
Technical field
The utility model relates to the key technology, especially a kind of key with the MP3 function.
Background technology
At present, along with popularizing gradually of automobile, motorcycle, electric motor car, increasing user needs to use key that above-mentioned vehicle is controlled.But existing key only has simple key function usually, and its function ratio is more single, and people wish that key has more function so that use.Because small-sized electronic product is of a great variety now, people can often carry electronic equipments such as MP3 player, USB flash disk, the trip of carrying to people of various electronic brings great inconvenience, therefore, presses for and above-mentioned electronic equipment is combined so that carry and use.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of key of band MP3 function reasonable in design, multiple functional and easy to use is provided.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of key with the MP3 function, comprise key body and inner control circuit and power module thereof, power module is connected with control circuit provides the power supply support for control circuit, this control circuit is connected and composed by microprocessor, MP3 module, memory, audio frequency output module and USB module, microprocessor is connected by display screen and the MP3 button that I/O interface and each module and key body are provided with, and audio frequency output module and USB module are connected with earphone jack and the USB interface that key body is provided with respectively.
And described microprocessor also is connected by the remote keying that wireless transmitter module in I/O interface and the key body and key body are provided with.
And, what described microprocessor adopted is the DS89C440 microprocessor chip, what described power module adopted is the LP2980 power supply chip, the MP3 module adopts MP3 decoding chip SAA770, described memory adopts FLASH memory K9F5608 chip, and described USB module adopts the FT8U245AM chip.
And described wireless transmitter module adopts the MAX7044 chip.
And, single-chip microcomputer and wireless transmitter module are installed in the described key body, this single-chip microcomputer is connected with the remote keying that wireless transmitter module and key body are provided with by the I/O interface.
And what described single-chip microcomputer adopted is the DSP89C440 chip, and described wireless transmitter module adopts the MAX7044 chip.
Advantage of the present utility model and good effect are:
1, this key organically merges MP3 function and data storage function in key, has strengthened the function of key, has reduced the quantity of people's personal effects, has made things convenient for people's use.
2, this key adopts modularized design, and each module all adopts the existing integrated circuits chip, have with low cost, be convenient to produce and characteristics such as maintenance.
3, the utility model is reasonable in design, it organically merges MP3 function and data storage function in key, this key not only can be a remote-control key, can be the key of other any kinds also, have feature richness, be easy to carry, with low cost, be convenient to characteristics such as production and maintenance, scope of application strick precaution.
Description of drawings
Fig. 1 is that master of the present utility model looks schematic diagram;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the rear elevation of Fig. 1;
Fig. 4 is the control circuit block diagram of embodiment 1;
Fig. 5 is the circuit block diagram of embodiment 2.
The specific embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described:
A kind of key with the MP3 function, as shown in Figure 1, constitute by key body 1 and inner control circuit, power module thereof, the power supply source module is connected with control circuit for control circuit provides the power supply support, is provided with the demonstration that display screen 2, MP3 button 3 and power switch 4 be respectively applied for MP3, operation and the control of MP3 power switch of MP3 on the front surface of key body.As shown in Figure 2, on the upper surface of housing, be provided with USB interface 5 and earphone jack 6 and be respectively applied for data read operation and MP3 music.As shown in Figure 3, on the rear surface of housing, be provided with remote keying 7 and be used for straighforward operation.The display screen that is provided with on the key body, MP3 button, power switch, USB interface, earphone jack and remote keying are connected with control circuit in the key body respectively.
As shown in Figure 4, control circuit in the key body is connected and composed by microprocessor, MP3 module, memory, audio frequency output module, USB module and wireless transmitter module, microprocessor is connected with display screen, MP3 button and the remote keying that MP3 module, memory, audio frequency output module, USB module and wireless transmitter module and key body are provided with by the I/O interface, and audio frequency output module and USB module are connected with earphone jack and USB interface on the key body respectively.This control circuit combines by microprocessor, MP3 module, memory, audio frequency output module, USB module and MP3 button and realizes the MP3 function; Microprocessor, wireless transmitter module and remote keying combine and realize the distant control function of vehicle.In the present embodiment, microprocessor adopts the control function of DS89C440 microprocessor chip realization to MP3 function and distant control function as the core of control circuit; Power module adopts the LP2980 chip, battery can be converted to the required low-voltage of control circuit and be the The whole control circuit supply; The MP3 module adopts MP3 decoding chip SAA770, and this decoding chip is decoded and playing function to the MP3 audio file under the control of microprocessor chip; Memory adopts FLASH memory K9F5608 chip to be used for store M P3 file; The USB module adopts the FT8U245AM chip, and it carries out the access task that data communication realizes memory data with computer under the control of microprocessor; Wireless transmitter module adopts the MAX7044 chip, and this wireless transmitter module is realized the wireless remote control function to vehicle under the control of microprocessor.
A kind of key with the MP3 function, the control circuit of key body inside is made of MP3 circuit and radio remote control circuit two parts of independent operating, wherein, Fig. 5 (a) is the block diagram of MP3 circuit, this circuit is by microprocessor, the MP3 module, memory, audio frequency output module and USB module connect and compose, microprocessor is by I/O interface and MP3 module, memory, the audio frequency output module, the display screen that USB module and key body are provided with, the MP3 button is connected, and audio frequency output module and USB module are connected with earphone jack and USB interface on the key body respectively; This control circuit combines by microprocessor, MP3 module, memory, audio frequency output module, USB module and MP3 button and realizes the MP3 function.Fig. 5 (b) is the block diagram of radio remote control circuit, this radio remote control circuit comprises single-chip microcomputer, wireless transmitter module and power supply, this power supply provides the power supply support for single-chip microcomputer and wireless transmitter module, this single-chip microcomputer is connected with the remote keying that wireless transmitter module and key body are provided with by the I/O interface, realization is to the wireless remote control function of vehicle, in the present embodiment, what single-chip microcomputer adopted is the DSP89C440 chip, and wireless transmitter module adopts the MAX7044 chip.Adopt the circuit of independent operating can guarantee when a part of circuit goes wrong, can not influence the normal use of other parts, improved stability.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the specific embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (6)
1. key with the MP3 function, comprise key body, it is characterized in that: in key body, be provided with control circuit and power module, power module is connected with control circuit provides the power supply support for control circuit, control circuit is connected and composed by microprocessor, MP3 module, memory, audio frequency output module and USB module, microprocessor is connected by display screen and the MP3 button that I/O interface and each module and key body are provided with, and audio frequency output module and USB module are connected with earphone jack and the USB interface that key body is provided with respectively.
2. the key of band according to claim 1 MP3 function is characterized in that: described microprocessor also is connected by the remote keying that wireless transmitter module in I/O interface and the key body and key body are provided with.
3. the key of band MP3 function according to claim 1 and 2, it is characterized in that: what described microprocessor adopted is the DS89C440 microprocessor chip, what described power module adopted is the LP2980 power supply chip, the MP3 module adopts MP3 decoding chip SAA770, described memory adopts FLASH memory K9F5608 chip, and described USB module adopts the FT8U245AM chip.
4. the key of band MP3 function according to claim 2, it is characterized in that: described wireless transmitter module adopts the MAX7044 chip.
5. the key of band MP3 function according to claim 1, it is characterized in that: single-chip microcomputer, wireless transmitter module and power supply are installed in the described key body, this power supply provides the power supply support for single-chip microcomputer and wireless transmitter module, and this single-chip microcomputer is connected with the remote keying that wireless transmitter module and key body are provided with by the I/O interface.
6. the key of band MP3 function according to claim 5, it is characterized in that: what described single-chip microcomputer adopted is the DSP89C440 chip, described wireless transmitter module adopts the MAX7044 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205646582U CN201826605U (en) | 2010-10-18 | 2010-10-18 | Key with MP3 function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205646582U CN201826605U (en) | 2010-10-18 | 2010-10-18 | Key with MP3 function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201826605U true CN201826605U (en) | 2011-05-11 |
Family
ID=43965150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205646582U Expired - Fee Related CN201826605U (en) | 2010-10-18 | 2010-10-18 | Key with MP3 function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201826605U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104150A (en) * | 2011-11-11 | 2013-05-15 | 深圳市长恩实业有限公司 | Key provided with universal serial bus (USB) interface |
| CN103366418A (en) * | 2012-03-31 | 2013-10-23 | 深圳光启创新技术有限公司 | Photon key with audio play function |
| CN104376661A (en) * | 2014-12-08 | 2015-02-25 | 重庆桦哲科技有限公司 | Speech circuit of smart key |
-
2010
- 2010-10-18 CN CN2010205646582U patent/CN201826605U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104150A (en) * | 2011-11-11 | 2013-05-15 | 深圳市长恩实业有限公司 | Key provided with universal serial bus (USB) interface |
| CN103366418A (en) * | 2012-03-31 | 2013-10-23 | 深圳光启创新技术有限公司 | Photon key with audio play function |
| CN104376661A (en) * | 2014-12-08 | 2015-02-25 | 重庆桦哲科技有限公司 | Speech circuit of smart key |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20141018 |
|
| EXPY | Termination of patent right or utility model |