CN212209821U - Audio equipment and audio power signal output interface thereof - Google Patents
Audio equipment and audio power signal output interface thereof Download PDFInfo
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- CN212209821U CN212209821U CN202021058219.4U CN202021058219U CN212209821U CN 212209821 U CN212209821 U CN 212209821U CN 202021058219 U CN202021058219 U CN 202021058219U CN 212209821 U CN212209821 U CN 212209821U
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Abstract
The utility model discloses an audio equipment and audio power signal output interface thereof, wherein, audio power signal output interface includes positive terminal, negative terminal, insulating seat, negative pole fixing base and circuit board, negative terminal fixed set up in the negative pole fixing base, positive terminal arranges in the negative terminal, and the upper portion of positive terminal stretches out insulating seat outside and negative terminal interval preset interval, the lower part of positive terminal runs through insulating seat forms the pin of being connected with the circuit board electricity, the negative terminal has at least one incurve shell fragment, when audio plug inserts, through shell fragment and audio plug interference adaptation, through the elasticity of shell fragment makes to connect more closely between the two. The utility model discloses a set up positive terminal and negative terminal in same interface, reduce its volume greatly, and then reduce its space that occupies audio equipment's backplate, solved the problem that current audio equipment backplate space is little and the interface is many.
Description
Technical Field
The utility model relates to an audio equipment technical field, in particular to audio equipment and audio power signal output interface thereof.
Background
The audio power signal output interface of the existing audio equipment connecting passive loudspeaker box or loudspeaker generally has banana socket, binding clip, binding post, Carnong's seat, etc., however, these interfaces all have a disadvantage: the positive and negative electrodes are separately designed, and the size is large. However, many audio devices are smaller in size and have a small space on the back panel (generally, the audio output interface is disposed on the back panel of the audio device), and particularly, more and more interfaces are required for the existing audio devices to be compatible with more electronic devices. In order to solve the problem that the backplate space of current audio equipment is little and the interface is many, the utility model provides an audio equipment and audio power signal output interface thereof.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art, an object of the present invention is to provide an audio device and an audio power signal output interface thereof, which can set the positive and negative terminals of the audio power signal output interface in the same interface to reduce the occupied space of the interface.
For solving the technical problem, the utility model discloses following technical scheme has been taken:
the utility model provides an audio power signal output interface of audio equipment, includes positive terminal, negative terminal, insulating seat, negative pole fixing base and circuit board, the negative terminal fixed set up in the negative pole fixing base, the negative terminal is arranged in to the positive terminal, and the upper portion of positive terminal stretch out the insulating seat outside with the negative terminal interval preset interval, the lower part of positive terminal runs through insulating seat forms the pin of being connected with the circuit board electricity, the negative terminal has at least one inside bend shell fragment.
In the audio power signal output interface of the audio equipment, the negative terminal is cylindrical.
In the audio power signal output interface of the audio equipment, the lower part of the negative terminal penetrates through the insulating seat to form a pin electrically connected with the circuit board.
In the audio power signal output interface of the audio equipment, the negative electrode fixing seat is provided with a through hole for inserting an audio plug, one end of the through hole is provided with a flange for fixing the negative electrode terminal, and the other end of the through hole is provided with a concave part for fixing the insulating seat.
In the audio power signal output interface of the audio equipment, the cathode fixing seat is perpendicular to the circuit board and is welded with the circuit board.
An audio device comprises an audio signal input interface, an audio power amplification module and an audio power signal output interface, wherein the audio signal input interface is connected with the audio power amplification module, and a positive terminal of the audio power signal output interface is electrically connected with a positive output end or a ground end of the audio power amplification module; and the negative terminal of the audio power signal output interface is electrically connected with the negative output end or the ground end of the audio power amplifying circuit.
In the audio device, the audio signal input interface comprises an analog audio input interface and a digital audio input interface, and the digital audio input interface comprises an optical fiber audio input interface or an SPD IF audio signal input interface; the analog audio input interface comprises a stereo input interface or an RCA audio input interface.
The audio equipment further comprises an external passive sound box, and the external passive sound box is connected with the audio power signal output interface.
The audio equipment further comprises a built-in loudspeaker unit, and a signal input end of the built-in loudspeaker unit is connected with a signal output end of the audio power amplification module.
The audio equipment further comprises an external passive bass sound box, and the external passive bass sound box is connected with the signal output end of the audio power amplification module.
Compared with the prior art, the utility model provides an audio equipment and audio power signal output interface thereof, wherein, audio power signal output interface is owing to adopted to set up anodal terminal and negative terminal in same interface, compares in the current with anodal terminal and the separately design of negative terminal, and its size is big, leads to the big shortcoming of occupation space, the utility model discloses reduce its volume greatly, and then reduce its space that occupies audio equipment's backplate, solved the problem that current audio equipment backplate space is little and the interface is many, still be suitable for the less audio equipment of size. And, the negative terminal has at least one inward bending shell fragment, when the audio frequency plug inserts, through shell fragment and audio frequency plug interference fit, through the elasticity of shell fragment, make to be connected more closely between the two.
Drawings
Fig. 1 is a schematic structural diagram of an overall audio power signal output interface of the audio device according to the present invention.
Fig. 2 is a schematic structural diagram of a section of an audio power signal output interface of the audio device according to the present invention.
Fig. 3 is a block diagram of an audio device according to the present invention.
Fig. 4 is a schematic structural diagram of an audio signal input interface of the audio device according to the present invention.
Fig. 5 is a block diagram illustrating a first embodiment of an additional playback device of an audio device according to the present invention.
Fig. 6 is a block diagram of a second embodiment of an additional playing device of an audio device according to the present invention.
Fig. 7 is a block diagram illustrating a third embodiment of an audio device, in which an external passive bass speaker is added.
Fig. 8 is a circuit diagram of an audio signal input interface and digital audio processing of the audio device provided by the present invention.
Fig. 9 is a circuit diagram of the audio power amplifying module and the output interface of the audio device provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
Referring to fig. 1 and 2, the audio power signal output interface 100 of the audio device provided by the present invention includes an anode terminal 1, a cathode terminal 2, an insulating base 3, a cathode fixing base 4 and a circuit board 5, wherein the cathode terminal 2 is fixedly disposed in the cathode fixing base 4, the anode terminal 1 is disposed in the cathode terminal 2, and the upper portion of the anode terminal 1 extends out of the insulating base 3 to be spaced from the cathode terminal 2 by a predetermined distance, the lower portion of the anode terminal 1 penetrates through the insulating base 3 to form a pin 22 electrically connected to the circuit board 5, the cathode terminal 2 has at least one inward-bent elastic sheet 21, when an audio plug (not shown in the figure) is inserted, the elastic sheet 21 is in interference fit with the audio plug, and the elastic sheet 21 is elastic to enable the connection between the two to be closer and have better contact.
Compare in current audio power signal output interface with anodal terminal 1 and negative terminal 2 separately design, its size is big, leads to the shortcoming that occupation space is big, the utility model discloses a set up anodal terminal 1 and negative terminal 2 in same interface, reduce its volume greatly, and then reduce the space that audio power signal output interface took audio equipment's backplate, solved the problem that current audio equipment backplate space is little and the interface is many, still be suitable for the less audio equipment of size.
In this embodiment, the negative terminal 2 is cylindrical, the specific number of the elastic pieces 21 can be determined as required, and preferably 4 to 8 elastic pieces are selected to ensure the connection between the audio power signal output interface 100 and the audio plug.
The positive terminal 1 is cylindrical, so that when an audio connector of external playing equipment is inserted into the negative terminal 2, the positive terminal 1 can be smoothly inserted into an audio plug to complete connection of the positive terminal and the audio plug.
Referring to fig. 1 and fig. 2, the negative electrode fixing base 4 has a through hole (not shown) for inserting an audio plug, and one end of the through hole has a flange 41 for fixing the negative electrode terminal 2, so as to prevent the audio power signal output interface 100 from being damaged due to the negative electrode terminal 2 being taken out or loosened when the audio plug is pulled out.
Furthermore, the other end of the through hole is provided with a concave part (not marked in the figure) for fixing the insulating base 3, so that the insulating base 3 can be prevented from shaking when in use, and the insulating base 3 can also play a role in stabilizing the positive terminal 1.
In this embodiment, the negative electrode fixing seat 4 is vertically disposed on the circuit board 5 and welded to the circuit board 5, generally speaking, in order to reduce the contact resistance, the audio power signal output interface 100 is tightly fitted with the audio plug, where the negative electrode fixing seat 4 is connected to the circuit board 5 in a welding manner, which is beneficial to fixing the audio power signal output interface 100, and the negative electrode fixing seat 4 is also vertically disposed on the circuit board 5, so that the audio power signal output interface 100 is vertically disposed on the circuit board 5, which is beneficial to bearing a large insertion force, thereby ensuring the service life of the audio power signal output interface 100.
Based on the audio power signal output interface 100 of the above-mentioned audio equipment, the utility model discloses still provide an audio equipment correspondingly, please refer to fig. 1 to fig. 3, including audio signal input interface 6, audio power amplification module 8 and audio power signal output interface 100, audio signal input interface 6 is connected with audio power amplification module 8, positive terminal 1 of audio power signal output interface 100 is connected with the positive output end or the ground connection of audio power amplification module 8; the negative terminal 2 of the audio power signal output interface 100 is electrically connected with the negative output end or the ground end of the audio power amplifying circuit.
Referring to fig. 4, the audio signal input interface 6 includes an analog audio input interface (not shown) and a digital audio input interface (not shown), and the digital audio input interface includes an optical fiber audio input interface 61 or an spdif audio signal input interface 62; the analog audio input interface comprises a stereo input interface 63 or an RCA audio input interface (not shown), the spdif audio signal input interface 62 comprises a coaxial audio signal input interface 621, and the ARC audio signal input interface 622.
Referring to fig. 5, in an optional embodiment, the audio device further includes an external passive speaker 9, the external passive speaker 9 is connected to the audio power signal output interface 100, and the audio of the audio power signal output interface 100 can be played through the external passive speaker 9.
Referring to fig. 6, in another embodiment, the audio device further includes an internal speaker unit 10, a signal input end of the internal speaker unit 10 is connected to a signal output end of the audio power amplification module 8, an audio signal can be played through the internal speaker unit 10, and the audio power signal output interface 100 can be connected to other external devices.
Referring to fig. 7, in another embodiment of the present invention, the audio device further includes an external passive bass loudspeaker 20, the external passive bass loudspeaker 20 is connected to the signal output end of the audio power amplifying module 8, so that the audio signal can be played through the external passive bass loudspeaker 20, and the audio device has multiple playing modes to meet the requirements of the user.
Referring to fig. 8, in an alternative embodiment, the optical fiber audio input interface 61 is connected to an audio processing chip, and the audio processing chip input by the optical fiber audio input interface 61 outputs the processed audio to the audio power amplifying module 8 through the AOUTL end and the AOUTR end. As shown in fig. 9, the audio power amplification module 8 includes a power amplifier chip, and the signals at the AOUTL end and the AOUTR end are amplified by the power amplifier chip and then output through the audio power signal output interface.
It should be noted that the audio power amplification module, the built-in speaker unit, etc. may also be implemented by other circuits, which is not limited by the present invention.
To sum up, the utility model provides an audio equipment and audio power signal output interface thereof, wherein audio power signal output interface reduces its volume greatly through setting up positive terminal and negative terminal in same interface, and then reduces its space that occupies audio equipment's backplate, has solved the problem that current audio equipment backplate space is little and the interface is many, still is suitable for the less audio equipment of size. And, the negative terminal has at least one inward bending shell fragment, when the audio frequency plug inserts, through shell fragment and audio frequency plug interference fit, through the elasticity of shell fragment, make to be connected more closely between the two.
Furthermore, the negative electrode fixing seat is perpendicular to the circuit board and welded with the circuit board, generally speaking, in order to reduce contact resistance, the audio power signal output interface is tightly matched with the audio plug, the negative electrode fixing seat is connected with the circuit board in a welding mode, the audio power signal output interface is favorably fixed, the negative electrode fixing seat is perpendicular to the circuit board, the audio power signal output interface is perpendicular to the circuit board, the large plugging force is favorably borne, and the service life of the audio power signal output interface is ensured.
Compared with the existing design of separately designing the positive terminal and the negative terminal, the size is large, and the defect that the occupied space is large is caused.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (10)
1. The audio power signal output interface of the audio equipment is characterized by comprising a positive terminal, a negative terminal, an insulating seat, a negative fixing seat and a circuit board, wherein the negative terminal is fixedly arranged in the negative fixing seat, the positive terminal is arranged in the negative terminal, the upper part of the positive terminal extends out of the insulating seat and is spaced from the negative terminal by a preset distance, the lower part of the positive terminal penetrates through the insulating seat to form a pin electrically connected with the circuit board, and the negative terminal is provided with at least one inward-bent elastic sheet.
2. The audio power signal output interface of the audio device of claim 1, wherein the negative terminal is cylindrical.
3. The audio power signal output interface of the audio device according to claim 1 or 2, wherein a lower portion of the negative terminal penetrates the insulating base to form a pin electrically connected to a circuit board.
4. The audio power signal output interface of the audio device according to claim 3, wherein the negative electrode holder has a through hole into which the audio plug is inserted, one end of the through hole has a flange for fixing the negative electrode terminal, and the other end of the through hole has a recess for fixing the insulating holder.
5. The audio power signal output interface of claim 4, wherein the negative electrode fixing base is disposed perpendicular to the circuit board and soldered to the circuit board.
6. An audio device, comprising an audio signal input interface, an audio power amplification module and an audio power signal output interface according to any one of claims 1 to 5, wherein the audio signal input interface is connected with the audio power amplification module, and the positive terminal of the audio power signal output interface is electrically connected with the positive output end or the ground end of the audio power amplification module; and the negative terminal of the audio power signal output interface is electrically connected with the negative output end or the ground end of the audio power amplifying circuit.
7. The audio device of claim 6, wherein the audio signal input interface comprises an analog audio input interface and a digital audio input interface, the digital audio input interface comprising a fiber optic audio input interface or a SPDIF audio signal input interface; the analog audio input interface comprises a stereo input interface or an RCA audio input interface.
8. The audio device of claim 7, further comprising an external passive speaker, the external passive speaker being connected to the audio power signal output interface.
9. The audio device according to claim 7, further comprising a built-in speaker unit, a signal input terminal of the built-in speaker unit being connected to a signal output terminal of the audio power amplification module.
10. The audio device of claim 9, further comprising an external passive bass speaker connected to the signal output of the audio power amplification module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021058219.4U CN212209821U (en) | 2020-06-10 | 2020-06-10 | Audio equipment and audio power signal output interface thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021058219.4U CN212209821U (en) | 2020-06-10 | 2020-06-10 | Audio equipment and audio power signal output interface thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212209821U true CN212209821U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021058219.4U Active CN212209821U (en) | 2020-06-10 | 2020-06-10 | Audio equipment and audio power signal output interface thereof |
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| Country | Link |
|---|---|
| CN (1) | CN212209821U (en) |
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- 2020-06-10 CN CN202021058219.4U patent/CN212209821U/en active Active
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