Audio interface machine

Abstract

The utility model relates to an audio interface machine, which comprises a case, a front panel arranged at the front part of the case, a rear panel arranged at the rear part of the case and an interface circuit arranged in the case, the front panel is used for controlling the on-off state of the whole machine, indicating the working state and conducting ventilation at the same time. The rear panel is used for connecting a power supply and different audio devices; the interface circuit is used for receiving, forwarding and processing audio signals input by different audio devices. The utility model can be widely applied to the field of network digital equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to an audio interface machine belongs to network digital equipment field. BACKGROUND

[0002] With the development of society and technology, the technology of audio system is constantly improved. The audio interface machine is usually used as a transit station for audio signals, responsible for receiving, processing and forwarding signals of various audio devices.

[0003] However, the existing audio interface machine has deficiencies or limitations in processing multiple audio channel data, that is, it cannot simultaneously and efficiently send and receive data of multiple audio channels. SUMMARY

[0004] To solve the above problems, the utility model provides an audio interface machine, which can simultaneously send and receive multiple audio channel data.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An audio interface machine comprises:

[0007] A cabinet, a front panel arranged at the front of the cabinet, a rear panel arranged at the rear of the cabinet and an interface circuit arranged inside the cabinet;

[0008] The front panel is used to control the on-off state of the whole machine and indicate the working state, and at the same time, it is used for ventilation;

[0009] The rear panel is used to connect the power supply and different audio devices;

[0010] The interface circuit is used to receive, forward and process the audio signals input by different audio devices.

[0011] Further, the front panel is provided with a ventilation port, a power indicator and a power switch;

[0012] The ventilation port is symmetrically arranged on the upper and lower sides of the front panel, and is used to provide a ventilation and heat dissipation channel for the whole machine;

[0013] The power indicator is arranged at one end of the middle part of the front panel, and is used to indicate whether the power supply is connected properly and enters the working state;

[0014] The power switch is arranged adjacent to the power indicator, and is used to control the on-off of the audio interface machine.

[0015] Further, the rear panel is provided with an AC power input socket, an AC power input fuse box, a DC power input socket and a functional module area;

[0016] The AC power input socket is used for connecting with an AC power supply;

[0017] The AC power input fuse box is used as an overcurrent protection switch;

[0018] The DC power input socket is used for connecting with a DC power supply;

[0019] A plurality of audio interfaces are arranged side by side in the functional module area, and are used for connecting with different audio devices.

[0020] Further, the DC power supply connected with the DC power input socket is 48V, and when the DC power input socket is connected with the 48V DC power supply, the power input small square seat connection method is that the 1+, 2+ ports are connected with the positive level of the 48V DC power supply, and the 1-, 2- ports are connected with the negative level of the 48V DC power supply.

[0021] Further, 16 audio interface modules are arranged side by side in the functional module area, and each audio interface module is configured with an input interface, an output interface, an RS232 / 485 interface, a network interface and a reset interface.

[0022] The input interface is used for connecting with an audio device;

[0023] The output interface is used for connecting with a power amplifier device;

[0024] The RS232 / 485 interface is used for connecting with a central control host;

[0025] The network interface is used for connecting with a computer through a wireless communication device;

[0026] The reset interface is used for providing a reset function.

[0027] Further, the 16 audio interface modules adopt a unified power supply mode.

[0028] Further, the 16 audio interface modules are all designed in a hot-pluggable manner.

[0029] Further, an LED level display lamp is arranged beside each of the 16 audio interface modules, and is used for indicating the output signal strength, power supply and communication state.

[0030] Further, the case adopts a 2U standard case design, and the case thickness is 6mm; the front panel and the rear panel adopt 2U aluminum alloy panels.

[0031] The utility model discloses a case for the audio interface module, which has the following advantages:

[0032] 1. The utility model discloses a 16 -way audio interface can connect different types of audio source and loudspeaker. Audio interface machine is connected with a plurality of sound equipment through a series of cable and connector;

[0033] 2. The utility model discloses a 2U standard case is adopted to case, aluminum alloy panel has good machining precision and mechanical strength;

[0034] 3. The utility model supports multiple network environment, has automatic power supply switching and built -in network isolation lightning protection processing circuit, is a function comprehensive, stable performance digital network broadcast equipment.

[0035] Therefore, the utility model can be widely used in network digital equipment field. BRIEF DESCRIPTION OF DRAWINGS

[0036] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments with reference made to the accompanying drawings. The drawings are for purposes of illustration only and are not intended to be limiting. The same reference numerals in different drawings identify the same components throughout the different drawings. In the drawings:

[0037] Fig. 1 It is the structure schematic drawing of audio interface machine front panel provided in the utility model embodiment;

[0038] Fig. 2 It is the structure schematic drawing of audio interface machine front panel provided in the utility model embodiment;

[0039] Fig. 3 It is the system connection diagram of audio interface machine provided in the utility model embodiment. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the following will combine the drawing of the utility model embodiment, and the technical scheme of the utility model embodiment is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art belong to the scope of the utility model protection.

[0041] It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the utility model. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or their combination.

[0042] The utility model provides an audio interface machine, its back panel is provided with 16 way audio interface module, can connect different type audio source and loudspeaker, send and receive multiple audio channel data simultaneously.

[0043] Embodiment 1

[0044] As Figs. 1-3 The utility model provides an audio interface machine, it includes the case, the front panel of setting in the front part of case, the back panel of setting in the rear part of case and the interface circuit of setting in the inside of case. Wherein, the front panel is used for controlling the switch -on state of whole machine and instructs the working condition, carries out ventilation simultaneously, the back panel is used for connecting power supply and different audio equipment, the interface circuit is used for receiving, forwarding and processing the audio signal of different audio equipment input.

[0045] Further, as Fig. 1 The utility model discloses an audio interface machine, it includes the case, the front panel of setting in the front part of case, the back panel of setting in the rear part of case and the interface circuit of setting in the inside of case. Wherein, the front panel is used for controlling the switch -on state of whole machine and instructs the working condition, carries out ventilation simultaneously, the back panel is used for connecting power supply and different audio equipment, the interface circuit is used for receiving, forwarding and processing the audio signal of different audio equipment input.

[0046] Further, as Fig. 2 The utility model discloses an audio interface machine, it includes the case, the front panel of setting in the front part of case, the back panel of setting in the rear part of case and the interface circuit of setting in the inside of case. Wherein, the front panel is used for controlling the switch -on state of whole machine and instructs the working condition, carries out ventilation simultaneously, the back panel is used for connecting power supply and different audio equipment, the interface circuit is used for receiving, forwarding and processing the audio signal of different audio equipment input.

[0047] Further, the DC power input socket 6 connected DC power is 48V, and when the DC power input socket 6 is connected with 48V DC power, the power input small square seat wiring method: 1+, 2+ port connects 48V positive level, 1-, 2- port connects 48V negative level.

[0048] In the utility model, the AC power input socket 4 and the DC power input socket 6 are connected with 220 AC power and 48V DC power respectively, are powered simultaneously by both, and can automatically switch.

[0049] Further, as Fig. 3As shown, 16 audio interface modules are arranged side by side in the functional module area 7, each of which is provided with an input interface (Audio In), an output interface (Audio Out), an RS232 / 485 interface, a network interface (Network) and a reset interface; the input interface (Audio In) is used to connect with audio equipment (such as DVD / CD player, etc.), the output interface (Audio Out) is used to connect with power amplifier equipment; the RS232 / 485 interface is used to connect with the central control host; the network interface is used to connect with the computer through wireless communication equipment (such as a router); and the reset interface is used to provide a reset function.

[0050] Further, the 16 audio interface modules in the functional module area 7 adopt a unified power supply mode, and when a single audio interface module has a problem, it will not affect the use of other audio interface modules.

[0051] Further, the 16 audio interface modules are all designed in a hot-pluggable manner and can be used according to the field.

[0052] Further, the 16 audio interface modules are all designed in a hot-pluggable manner and can be used according to the field.

[0053] Further, the 16 audio interface modules are all designed in a hot-pluggable manner and can be used according to the field.

[0054] The technical parameters of the audio interface machine provided by the utility model are shown in the following table 1.

[0055] Table 1 Technical parameters

[0056]

[0057]

[0058] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been described in detail with reference to the above examples, those skilled in the art should understand that: the specific embodiments of the utility model can still be modified or replaced, and any modification or equivalent replacement without departing from the spirit and scope of the utility model should be covered in the protection scope of the claims of the utility model.

Claims

1. An audio interface machine, characterized by, The application relates to an audio interface device. The device comprises a cabinet, a front panel arranged at the front of the cabinet, a rear panel arranged at the rear of the cabinet and an interface circuit arranged in the cabinet. The front panel is used for controlling the on-off state of the whole device and indicating the working state, and is used for ventilation. The rear panel is used for connecting power supply and different audio devices. The interface circuit is used for connecting the corresponding interfaces of the front panel and the rear panel, receiving, forwarding and processing audio signals input by different audio devices. The rear panel is provided with an AC power input socket, an AC power input fuse box, a DC power input socket and a functional module area. The AC power input socket is used for connecting with AC power supply. The AC power input fuse box is used as an overcurrent protection switch. The DC power input socket is used for connecting with DC power supply. The functional module area is provided with multiple audio interface modules arranged side by side and used for connecting with different audio devices. The functional module area is provided with 16 audio interface modules arranged side by side, each of which is provided with an input interface, an output interface, an RS232 / 485 interface, a network interface and a reset interface. The input interface is used for connecting with audio devices. The output interface is used for connecting with power amplifier devices. The RS232 / 485 interface is used for connecting with a central control host. The network interface is used for connecting with a computer through wireless communication devices. The reset interface is used for providing a reset function. The 16 audio interface modules are designed in a hot-pluggable mode.

2. An audio interface unit as claimed in claim 1, characterized in that The front panel is provided with air vents, power indicator lights and a power switch. The air vents are symmetrically arranged on the upper and lower sides of the front panel and are used for providing ventilation and heat dissipation channels for the whole device. The power indicator lights are arranged at one end of the middle part of the front panel and are used for indicating whether the power supply is connected and in working condition. The power switch is arranged adjacent to the power indicator lights and is used for controlling the on-off state of the audio interface device.

3. An audio interface unit as claimed in claim 1, characterized in that The DC power supply connected with the DC power input socket is 48V, and when the DC power input socket is connected with the 48V DC power supply, the power input small square seat connection method is that the 1+ and 2+ ports are connected with the positive level of the 48V DC power supply and the 1- and 2- ports are connected with the negative level of the 48V DC power supply.

4. An audio interface unit as claimed in claim 1, characterized in that The 16 audio interface modules adopt a unified power supply mode.

5. An audio interface unit as claimed in claim 1, characterized in that The 16 audio interface modules are each provided with LED level display lights arranged on the side and used for indicating the output signal strength, power supply and communication state.

6. An audio interface unit as claimed in claim 1, characterized in that The cabinet adopts a 2U standard cabinet design, the cabinet thickness is 6mm, and the front panel and the rear panel adopt 2U aluminum alloy panels.

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