CN216957421U - Piano based on SATA cable interface - Google Patents
Piano based on SATA cable interface Download PDFInfo
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- CN216957421U CN216957421U CN202123417159.8U CN202123417159U CN216957421U CN 216957421 U CN216957421 U CN 216957421U CN 202123417159 U CN202123417159 U CN 202123417159U CN 216957421 U CN216957421 U CN 216957421U
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- sata cable
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- cable interface
- electric piano
- piano
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Abstract
The utility model discloses an electric piano based on SATA cable interfaces, which comprises an electric piano mainboard and an electric piano pedal, wherein the electric piano mainboard is provided with an SATA cable interface, and the SATA cable interface is in signal connection with the electric piano pedal through an SATA cable. The fender mainboard can set up SATA cable interface CON2 as fender footboard interface, through SATA cable and fender footboard signal connection. The SATA cable has 7 signal lines in total, and the 7 signal lines correspond 7 pins of connecting the SATA cable interface respectively, and wherein 4 signal lines can be connected with the fender footboard signal for transmission footboard signal. The rest 3 signal lines can be used for being externally connected with other equipment, such as an external audio tester, so as to test or monitor the audio signals of the electric piano loudspeaker and expand the functions of the pedal interface of the electric piano.
Description
Technical Field
The utility model relates to the technical field of electroacoustic musical instruments, in particular to an electric piano based on a SATA cable interface.
Background
The electric piano pedal is an indispensable component of an electric piano, and is mainly used for prolonging the tone of the piano and changing the volume and tone of the electric piano. The electric piano pedal needs to be in signal connection with an electric piano mainboard of the electric piano through an electric piano pedal interface. At present, the electric piano pedal interface does not have a unified standard at present, all manufacturers are designed randomly, and the common interface modes comprise a PS/2 type interface, a MIDI terminal type interface and the like. The effective signal lines of the pedal interface are 4, including 1 common line and 3 pedal lines, and each pedal line and the common line are crossed to form a key, namely the pedal key. Such an interface can only realize the function of connecting between fender footboard and fender mainboard, and the function is comparatively single, therefore, needs a technique that can expand the function of fender footboard interface now urgently.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the electric piano based on the SATA cable interface, which can realize other functions besides the basic pedal function and expand the functions of the pedal interface of the electric piano. The specific technical scheme is as follows:
the utility model provides an electronic piano based on SATA cable interface, in a first realizable mode, includes electronic piano mainboard and electronic piano footboard, is provided with SATA cable interface on this electronic piano mainboard, and this SATA cable interface is through SATA cable and electronic piano footboard signal connection, and the total 7 signal lines of SATA cable, 4 signal lines and electronic piano footboard signal connection wherein are used for transmitting the footboard signal, and remaining 3 signal lines are used for external other equipment.
In combination with the first implementable manner, in a second implementable manner, the SATA cable interface includes a pedal signal pin and an audio signal pin, and the pedal signal pin and the audio signal pin are respectively in signal connection with a pedal signal input terminal and an audio signal output terminal of the electronic piano motherboard.
With reference to the second implementable manner, in a third implementable manner, the audio signal pin is connected to the audio signal output terminal through a voltage division circuit.
With reference to the third implementable manner, in a fourth implementable manner, the voltage division circuit is a resistance voltage division circuit.
In combination with any one of the first to the fourth realizable manners, in a fifth realizable manner, the SATA cable interface further includes a ground pin electrically connected to a ground terminal of the electronic piano board.
Has the advantages that: according to the electric piano based on the SATA cable interface, the SATA cable interface is adopted, so that the function of connecting the electric piano pedal and the electric piano mainboard can be realized, the electric piano mainboard of the electric piano can be externally connected with other equipment through other pins of the SATA cable interface, other functions can be realized, and the function of the electric piano pedal interface is expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
Fig. 1 is a circuit diagram of a SATA cable interface according to an embodiment of the present invention;
fig. 2 is a main control circuit diagram of an electric piano motherboard according to an embodiment of the present invention;
fig. 3 is an audio output circuit diagram of the main board of the electric piano according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, an electric piano based on SATA cable interface includes an electric piano mainboard and an electric piano pedal, the electric piano mainboard is provided with SATA cable interface, and the SATA cable interface is in signal connection with the electric piano pedal via a SATA cable.
Specifically, the electric piano mainboard can set up SATA cable interface CON2 as the electric piano pedal interface, through SATA cable and electric piano pedal signal connection. The SATA cable has 7 signal lines in total, and these 7 signal lines correspond 7 pins of connecting the SATA cable interface respectively, and wherein 4 signal lines can be with fender footboard signal connection for transmit the footboard signal. The rest 3 signal lines can be used for being externally connected with other equipment, such as an external audio tester, so as to test or monitor the audio signals of the electric piano loudspeaker and expand the functions of the pedal interface of the electric piano.
In this embodiment, optionally, as shown in fig. 2, the SATA cable interface includes a pedal signal pin and an audio signal pin, and the pedal signal pin and the audio signal pin are respectively in signal connection with a pedal signal input end and an audio signal output end of the main board of the electric piano.
The SATA cable interface can be provided with 4 pedal signal pins and 1 audio signal pin, and the 4 pedal signal pins are used for realizing signal transmission between the electric piano mainboard and the electric piano pedal and are connected with the pedal signal input end A of the electric piano mainboard -0、A -1、A -2. M22 signal connection. Signals output by the electric piano pedals can be transmitted to the electric piano mainboard through 4 pedal signal pins through 4 signal wires of the SATA cable.
As shown in fig. 3, the audio signal pins are used for leading OUT audio signals output by the main board of the electric piano to the audio tester, and are in signal connection with the audio signal output ends RA-OUT and LA-OUT of the main board of the electric piano. The audio signal that the audio signal output of fender mainboard exported just can be carried for the audio frequency tester of connecting through the signal line of SATA cable through the audio signal pin.
In this embodiment, optionally, the audio signal pin is connected to the audio signal output terminal through a voltage divider circuit. Be provided with bleeder circuit between the audio signal output of audio signal pin and fender mainboard, bleeder circuit can reduce the audio signal voltage of audio signal output to the audio frequency tester gathers the audio signal of fender mainboard and tests or monitors.
In this embodiment, optionally, as shown in fig. 1, the voltage dividing circuit is a resistance voltage dividing circuit. The resistance voltage division circuit is used as the voltage division circuit between the audio signal pin and the audio signal output end, so that the manufacturing cost of the electric piano can be reduced.
In this embodiment, optionally, the SATA cable interface further includes a ground pin, and the ground pin is electrically connected to a ground terminal of the main board of the electric piano. Besides 4 pedal signal pins and 1 audio signal pin, the SATA cable interface also has 2 remaining pins, one of the 2 remaining pins can be selected as a grounding pin to be connected with the grounding end of the control mainboard, and the control mainboard can be grounded through the SATA cable, so that the functions of the electric piano pedal interface are further expanded. And the SATA cable interface has 1 pin (not shown in the figure) free for other functions.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (5)
1. The utility model provides an electrical piano based on SATA cable interface which characterized in that: including fender mainboard and fender footboard, be provided with SATA cable interface on this fender mainboard, this SATA cable interface is through SATA cable and fender footboard signal connection, and the total 7 signal lines of SATA cable, wherein 4 signal lines and fender footboard signal connection for transmit the footboard signal, remaining 3 signal lines are used for external other equipment.
2. The SATA cable interface-based electric piano of claim 1, wherein the SATA cable interface comprises a pedal signal pin and an audio signal pin which are signal-connected to a pedal signal input terminal and an audio signal output terminal of a main board of the electric piano, respectively.
3. The SATA cable interface-based electrical piano of claim 2, wherein the audio signal pin is connected to the audio signal output terminal through a voltage dividing circuit.
4. The SATA cable interface-based electric piano of claim 3, wherein the voltage dividing circuit is a resistance voltage dividing circuit.
5. The SATA cable interface-based electric piano of any one of claims 1 to 4, wherein said SATA cable interface further comprises a ground pin electrically connected to a ground terminal of said electric piano main board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123417159.8U CN216957421U (en) | 2021-12-31 | 2021-12-31 | Piano based on SATA cable interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123417159.8U CN216957421U (en) | 2021-12-31 | 2021-12-31 | Piano based on SATA cable interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216957421U true CN216957421U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123417159.8U Active CN216957421U (en) | 2021-12-31 | 2021-12-31 | Piano based on SATA cable interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216957421U (en) |
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2021
- 2021-12-31 CN CN202123417159.8U patent/CN216957421U/en active Active
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