CN103151054B - A kind of double-screen digital music player - Google Patents
A kind of double-screen digital music player Download PDFInfo
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- CN103151054B CN103151054B CN201310018553.5A CN201310018553A CN103151054B CN 103151054 B CN103151054 B CN 103151054B CN 201310018553 A CN201310018553 A CN 201310018553A CN 103151054 B CN103151054 B CN 103151054B
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- display screen
- housing
- bayonet lock
- cover plate
- switch
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Abstract
The invention discloses a kind of double-screen digital music player, comprise housing, player body is provided with in housing, the upper surface of housing is provided with the first display screen, audio file input port and audio frequency regulating key group, the front side of housing is provided with second display screen, power switch, volume adjustment knob and file switch knob, first display screen, audio frequency regulating key group, second display screen, power switch, volume adjustment knob is all connected with player body with file switch knob, player body is connected with display screen change-over switch, display screen change-over switch is connected with the first display screen and second display screen respectively, advantage is switched by display screen change-over switch, is applicable to professional user and domestic consumer, highly versatile simultaneously.
Description
Technical field
The present invention relates to a kind of digital music player, especially relate to a kind of double-screen digital music player.
Background technology
The digital music player of specialty, having basic playing function (selected songs and volume adjusting) outward, also has multiple featured function, as multiple circulation, fragment are replayed/re-reading and speed change modified tone etc.In order to realize above-mentioned multiple featured function, the operating platform of digital music player needs arrange various function key, operation more complicated, can only be applicable to professional, for non-professional domestic consumer, is difficult to grasp.
Summary of the invention
Technical matters to be solved by this invention is to provide one can be applicable to professional user and domestic consumer, the double-screen digital music player of highly versatile simultaneously.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of double-screen digital music player, comprise housing, player body is provided with in described housing, the upper surface of described housing is provided with the first display screen, audio file input port and audio frequency regulating key group, the front side of described housing is provided with second display screen, power switch, volume adjustment knob and file switch knob, the first described display screen, described audio frequency regulating key group, described second display screen, described power switch, described volume adjustment knob is all connected with described player body with described file switch knob, described player body is connected with display screen change-over switch, described display screen change-over switch is connected with the first described display screen and described second display screen respectively.
Described audio frequency regulating key group comprises multiple circulation button, fragment replay/re-reading button and speed change modified tone button.
Described player body comprises embedded microprocessor, digital signal processor and power supply, described embedded microprocessor is all connected with described power supply with described digital signal processor, described embedded microprocessor is connected with described display screen change-over switch, described audio file input port comprises USB interface and SD card interface, and described USB interface is all connected with described digital signal processor with described SD card interface.
The upper surface of described housing is inner concavity, the upper surface of described housing is connected with lighttight cover plate, described display screen change-over switch is light activated switch, when described cover plate covers on the upper surface of described housing, described display screen change-over switch and light are isolated, when described cover plate open be separated with the upper surface of described housing time, described display screen change-over switch and light contacts.
The two ends of the upper surface of described housing are fixedly installed arc strip respectively, described arc strip is provided with the stopper slot of arc, the side of described stopper slot has the multiple arc convex portions connected successively, often form draw-in groove between adjacent two arc convex portions, pedestal is provided with in described stopper slot, described pedestal is fixedly connected with described cover plate, described pedestal is fixedly installed spring, described spring is fixedly installed bayonet lock, described bayonet lock has curved end, curved end and the described arc convex portion of described bayonet lock cooperatively interact, when described cover plate remains static, described bayonet lock is positioned at described draw-in groove and is lived by described cover plate support, when rotate described in cover plate time, described bayonet lock and described arc convex portion extrude mutually, now spring is compressed, described bayonet lock moves in next draw-in groove along described arc convex portion.
Described bayonet lock comprises cylindrical bottom portion and domed top, and described cylindrical bottom portion is fixedly connected with described spring, and described domed top and described arc convex portion cooperatively interact.
Described pedestal is provided with groove, and described spring is fixedly installed in described groove.
The radian of described stopper slot is 90 degree ~ 120 degree.
Described arc strip is provided with screw hole, and the upper surface of described arc strip and described housing is screwed connection.
Compared with prior art, the invention has the advantages that the first display screen and the audio frequency regulating key group of setting form first operating platform, second display screen, volume adjustment knob and file switch knob form second operating platform, the first display screen and second display screen is switched by display screen change-over switch, when professional user uses, can be realized by the audio frequency regulating key group in first operating platform operating the specialization of music and showing relevant information by the first display screen, when domestic consumer uses, can choose by second operating platform and listen attentively to music and show relevant information by second display screen, be applicable to professional user and domestic consumer simultaneously, highly versatile,
When the upper surface of housing is inner concavity, the upper surface of housing is connected with lighttight cover plate, display screen change-over switch is light activated switch, when first operating platform of music player is in non-working condition, first operating platform covers by cover plate, prevent dust and the maloperation to music player on the one hand, on the other hand light activated switch and light are isolated, the first display screen is closed; When needing first operating platform using music player, cover plate being opened and first operating platform can be revealed, now light activated switch and light contacts, the first display screen is opened;
When the two ends of the upper surface of housing are fixedly installed arc strip respectively, described arc strip is provided with the stopper slot of arc, the bayonet lock and arc convex portion that cooperatively interact are set in stopper slot, when cover plate remains static, bayonet lock is positioned at draw-in groove and is lived by cover plate support, when rotating plate, bayonet lock and arc convex portion extrude mutually, now spring is compressed, and bayonet lock arcuately lug boss moves in next draw-in groove, easy to operate;
When bayonet lock comprises cylindrical bottom portion and domed top, cylindrical bottom portion is fixedly connected with spring, domed top and arc convex portion cooperatively interact, ensure that bayonet lock can arcuately move by lug boss smoothly on the one hand, can not be stuck, the strength of joint between spring and bayonet lock can be ensured on the other hand, prevent bayonet lock and spring from departing from;
When pedestal is provided with groove, when spring is fixedly installed in groove, enhance the strength of joint between spring and pedestal, improve the global reliability of audio player;
When the radian of stopper slot is 90 degree ~ 120 degree, convenient operation and good stability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is the enlarged drawing of part A in Fig. 1;
Fig. 4 is the explosive view of part B in Fig. 3.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment: as shown in Figure 1, a kind of double-screen digital music player, comprise housing 1, player body (not shown) is provided with in housing 1, the upper surface of housing 1 is provided with the first display screen 2, audio file input port and audio frequency regulating key group 3, the front side of housing 1 is provided with second display screen 4, power switch 5, volume adjustment knob 6 and file switch knob 7, first display screen 2, audio frequency regulating key group 3, second display screen 4, power switch 5, volume adjustment knob 6 are all connected with player body with file switch knob 7; Audio frequency regulating key group 3 comprises multiple circulation button, fragment replay/re-reading button and speed change modified tone button; Player body is connected with display screen change-over switch 11, and display screen change-over switch 11 is connected with the first display screen 2 and second display screen 4 respectively.
As shown in Figure 2, in the present embodiment, player body comprises embedded microprocessor 8, digital signal processor 9 and power supply 10, embedded microprocessor 8 is all connected with power supply 10 with digital signal processor 9, embedded microprocessor 8 is connected with display screen change-over switch 11, audio file input port comprises usb 12 and SD card interface 13, and usb 12 is all connected with digital signal processor 9 with SD card interface 13.
In the present embodiment, the upper surface of housing 1 is inner concavity, the upper surface of housing 1 is connected with lighttight cover plate 14, display screen change-over switch 11 is light activated switch, when cover plate 14 covers on the upper surface of housing 1, display screen change-over switch 11 and light are isolated, when cover plate 14 open be separated with the upper surface of housing 1 time, display screen change-over switch 11 and light contacts.
In the present embodiment, be also provided with wireless receiving transmitter module 16 in player body, wireless receiving transmitter module 16 is connected with digital signal processor 9, and the front side of housing 1 is provided with radio communication window 17.
As shown in Figures 3 and 4, in the present embodiment, the two ends of the upper surface of housing 1 are fixedly installed arc strip 18 respectively, arc strip 18 is provided with the stopper slot 19 of arc, the side of stopper slot 19 has the multiple arc convex portions 20 connected successively, often form draw-in groove 21 between adjacent two arc convex portions 20, pedestal 22 is provided with in stopper slot 19, pedestal 22 is fixedly connected with cover plate 14, pedestal 22 is fixedly installed spring 23, spring 23 is fixedly installed bayonet lock 24, bayonet lock 24 has curved end, curved end and the arc convex portion 20 of bayonet lock 24 cooperatively interact, when cover plate 14 remains static, bayonet lock 24 is positioned at draw-in groove 21 and is supported by cover plate 14, when rotating plate 14, bayonet lock 24 and arc convex portion 20 extrude mutually, now spring 23 is compressed, bayonet lock 24 arcuately lug boss 20 moves in next draw-in groove 21.
In the present embodiment, bayonet lock 24 comprises cylindrical bottom portion 241 and domed top 242, and cylindrical bottom portion 241 is fixedly connected with spring 23, and domed top 242 and arc convex portion 20 cooperatively interact; Pedestal 22 is provided with groove 221, spring 23 is fixedly installed in groove 221; The radian of stopper slot 19 can be the arbitrary value in 90 degree ~ 120 degree; Arc strip 18 is provided with screw hole 181, the upper surface of arc strip 18 and housing 1 is screwed connection.
Claims (6)
1. a double-screen digital music player, comprise housing, player body is provided with in described housing, the upper surface that it is characterized in that described housing is provided with the first display screen, audio file input port and audio frequency regulating key group, the front side of described housing is provided with second display screen, power switch, volume adjustment knob and file switch knob, the first described display screen, described audio frequency regulating key group, described second display screen, described power switch, described volume adjustment knob is all connected with described player body with described file switch knob, described player body is connected with display screen change-over switch, described display screen change-over switch is connected with the first described display screen and described second display screen respectively,
Described audio frequency regulating key group comprises multiple circulation button, fragment replay/re-reading button and speed change modified tone button;
Described player body comprises embedded microprocessor, digital signal processor and power supply, described embedded microprocessor is all connected with described power supply with described digital signal processor, described embedded microprocessor is connected with described display screen change-over switch, described audio file input port comprises USB interface and SD card interface, and described USB interface is all connected with described digital signal processor with described SD card interface;
The upper surface of described housing is inner concavity, the upper surface of described housing is connected with lighttight cover plate, described display screen change-over switch is light activated switch, when described cover plate covers on the upper surface of described housing, described display screen change-over switch and light are isolated, when described cover plate open be separated with the upper surface of described housing time, described display screen change-over switch and light contacts.
2. a kind of double-screen digital music player according to claim 1, it is characterized in that the two ends of the upper surface of described housing are fixedly installed arc strip respectively, described arc strip is provided with the stopper slot of arc, the side of described stopper slot has the multiple arc convex portions connected successively, often form draw-in groove between adjacent two arc convex portions, pedestal is provided with in described stopper slot, described pedestal is fixedly connected with described cover plate, described pedestal is fixedly installed spring, described spring is fixedly installed bayonet lock, described bayonet lock has curved end, curved end and the described arc convex portion of described bayonet lock cooperatively interact, when described cover plate remains static, described bayonet lock is positioned at described draw-in groove and is lived by described cover plate support, when rotate described in cover plate time, described bayonet lock and described arc convex portion extrude mutually, now spring is compressed, described bayonet lock moves in next draw-in groove along described arc convex portion.
3. a kind of double-screen digital music player according to claim 2, it is characterized in that described bayonet lock comprises cylindrical bottom portion and domed top, described cylindrical bottom portion is fixedly connected with described spring, and described domed top and described arc convex portion cooperatively interact.
4. a kind of double-screen digital music player according to Claims 2 or 3, it is characterized in that described pedestal is provided with groove, described spring is fixedly installed in described groove.
5. a kind of double-screen digital music player according to Claims 2 or 3, is characterized in that the radian of described stopper slot is 90 degree ~ 120 degree.
6. a kind of double-screen digital music player according to Claims 2 or 3, it is characterized in that described arc strip is provided with screw hole, the upper surface of described arc strip and described housing is screwed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310018553.5A CN103151054B (en) | 2013-01-17 | 2013-01-17 | A kind of double-screen digital music player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310018553.5A CN103151054B (en) | 2013-01-17 | 2013-01-17 | A kind of double-screen digital music player |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103151054A CN103151054A (en) | 2013-06-12 |
| CN103151054B true CN103151054B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310018553.5A Expired - Fee Related CN103151054B (en) | 2013-01-17 | 2013-01-17 | A kind of double-screen digital music player |
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| Country | Link |
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| CN (1) | CN103151054B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2914586Y (en) * | 2005-11-21 | 2007-06-20 | 潘永勤 | Flip MP4 player with two screens |
| CN201716963U (en) * | 2009-12-30 | 2011-01-19 | 北京华旗随身数码股份有限公司 | Portable multimedia player with double screens |
| CN203085170U (en) * | 2013-01-17 | 2013-07-24 | 宁波高新区百瑞音响科技有限公司 | Double-screen digital music player |
-
2013
- 2013-01-17 CN CN201310018553.5A patent/CN103151054B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2914586Y (en) * | 2005-11-21 | 2007-06-20 | 潘永勤 | Flip MP4 player with two screens |
| CN201716963U (en) * | 2009-12-30 | 2011-01-19 | 北京华旗随身数码股份有限公司 | Portable multimedia player with double screens |
| CN203085170U (en) * | 2013-01-17 | 2013-07-24 | 宁波高新区百瑞音响科技有限公司 | Double-screen digital music player |
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| Publication number | Publication date |
|---|---|
| CN103151054A (en) | 2013-06-12 |
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