阅读说明：本技术 一种带电源时序功能的多通道功率放大器和设备 (Multi-channel power amplifier with power supply timing sequence function and equipment ) 是由 汪泽培 徐海 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种带电源时序功能的多通道功率放大器设备。其中,所述放大器包括：前面板和后面板,该前面板其上设置有节能电源开关和多功能显示板,该后面板其上设置有电源时序板与信号输入输出板,该信号输入输出板其上设置有多通道信号输入接口与多通道功率输出接口,该多通道功率输出接口上设置有多通道功率放大器输出端子,该多通道功率放大器输出端子上的每个端子的输出功率不同,实现多通道功率放大输出。通过上述方式,能够实现组建一个家庭影院时,无需用到分体放大器即可实现家庭影院功能,体积小,占用空间小,而且具备电源时序功能,避免了同时开机电流过大,易出现先开机设备对后开机设备干扰的情况出现。(The invention discloses a multi-channel power amplifier device with a power supply timing sequence function. Wherein the amplifier comprises: the multi-channel power amplifier comprises a front panel and a rear panel, wherein an energy-saving power switch and a multifunctional display panel are arranged on the front panel, a power timing sequence board and a signal input and output board are arranged on the rear panel, a multi-channel signal input interface and a multi-channel power output interface are arranged on the signal input and output board, a multi-channel power amplifier output terminal is arranged on the multi-channel power output interface, the output power of each terminal on the multi-channel power amplifier output terminal is different, and multi-channel power amplification output is achieved. By the mode, when a home theater is constructed, the home theater function can be realized without using a split amplifier, the size is small, the occupied space is small, the power supply time sequence function is realized, the phenomenon that the simultaneous starting current is too large and the interference of the first starting equipment to the later starting equipment is easy to occur is avoided.)

1. A multi-channel power amplifier with power timing function, comprising:

a front panel and a rear panel;

the front panel is provided with an energy-saving power switch and a multifunctional display panel;

the energy-saving power switch is used for realizing the management of the on and off of the power supply through the control of the singlechip;

the multifunctional display panel is provided with an organic energy-saving standby state indicator lamp, an infrared receiving remote control device, a multi-channel function protection state removing indicator lamp, a second function mute indicator lamp, a multi-channel signal power indicator lamp and a power amplifier fault indicator lamp;

the rear panel is provided with a power supply time sequence board and a signal input/output board;

the power supply time sequence board is provided with 3 groups of national standard sockets with time sequence functions and time sequence function indicating lamps in preset quantity, and the national standard sockets with the time sequence functions and the time sequence function indicating lamps are controlled by an internal central processing unit;

the multi-channel power amplifier comprises a signal input and output board, wherein a multi-channel signal input interface and a multi-channel power output interface are arranged on the signal input and output board, a selector switch, a multi-channel optical fiber signal input interface and a mode electrical audio signal balance input interface are respectively arranged on the multi-channel signal input interface, the multi-channel optical fiber signal input interface and the mode electrical audio signal balance input interface are high in circuit integration level and are used for inputting digital signals and analog signals, the selector switch is used for selecting modes of optical fiber signal input and mode electrical audio signal input, a multi-channel power amplifier output terminal is arranged on the multi-channel power output interface, and output power of each terminal on the multi-channel power amplifier output terminal is different, so that multi-channel power amplification output.

2. The multi-channel power amplifier with power timing function of claim 1, wherein the power saving power switch comprises:

and standby means for performing a power-off standby operation in a case where power supply is temporarily not required.

3. The multi-channel power amplifier with power timing function according to claim 1, wherein the front panel is further provided with an infrared receiving remote control device, and the infrared receiving remote control device is used for receiving an infrared remote control signal and realizing a remote power-off standby operation and a protection recovery operation.

4. The multi-channel power amplifier with power timing function of claim 1, wherein the multi-channel signal power indicator light and power amplifier fault indicator light comprises:

an indicating device;

and the indicating device is used for prompting the power amplifier to break down through the display of the light of the indicating lamp when the power amplifier breaks down, and restoring the display of the light of the indicating lamp for prompting the power amplifier to break down to a normal state when the power amplifier restores to a normal working state.

5. The multi-channel power amplifier with power timing function of claim 1, wherein the power timing board has a timing function power timing socket thereon, and the power timing socket delays power supply to the power amplifier.

6. The multi-channel power amplifier with power supply timing function according to claim 1, wherein the signal input/output board further has a multi-channel power amplifier thereon, the multi-channel power amplifier has 8 output power terminals, the 8 output power terminals are connected in a manner including that a left front terminal is connected to the speaker, a right front terminal is connected to the speaker, a left terminal is connected to the surround speaker, a right terminal is connected to the surround speaker, a middle terminal is connected to the speaker, a left rear terminal is connected to the speaker, a right rear terminal is connected to the speaker, and a rear ultra-low terminal is connected to the ultra-low speaker.

7. The multi-channel power amplifier with power timing function according to claim 1, wherein said multi-channel power amplifier with power timing function further comprises a remote control transmitter, said remote control transmitter comprises a remote switch key and a mute key, and said remote mute key is multiplexed in function.

8. A multi-channel power amplifying device with power supply timing function, comprising a multi-channel power amplifier with power supply timing function according to any one of claims 1 to 7.

Technical Field

The invention relates to the technical field of power amplifiers, in particular to a multichannel power amplifier device with a power supply timing sequence function.

Background

The existing power amplifier generally uses one amplifier for each sound channel, needs a plurality of split amplifiers for building a home theater, has large volume and space occupation, has no power supply time sequence function, can cause that the starting of the amplifier has no precedence order, and has overlarge starting current, thus being easy to cause the interference of equipment started first to equipment started later.

Disclosure of Invention

In view of the above, the present invention provides a multi-channel power amplifier with a power timing function and a device, which can implement a home theater function without using a split amplifier when a home theater is built, have a small volume and a small occupied space, and have the power timing function, thereby avoiding the situation that a device is turned on first and then is interfered by a device turned on first.

According to an aspect of the present invention, there is provided a multi-channel power amplifier with power supply timing function, comprising:

a front panel and a rear panel;

the front panel is provided with an energy-saving power switch and a multifunctional display panel;

the energy-saving power switch is used for realizing the management of the on and off of the power supply through the control of the singlechip;

the multifunctional display panel is provided with an organic energy-saving standby state indicator lamp, an infrared receiving remote control device, a multi-channel function protection state removing indicator lamp, a second function mute indicator lamp, a multi-channel signal power indicator lamp and a power amplifier fault indicator lamp;

the rear panel is provided with a power supply time sequence board and a signal input/output board;

the power supply time sequence board is provided with 3 groups of national standard sockets with time sequence functions and time sequence function indicating lamps in preset quantity, and the national standard sockets with the time sequence functions and the time sequence function indicating lamps are controlled by an internal central processing unit;

the multi-channel power amplifier comprises a signal input and output board, wherein a multi-channel signal input interface and a multi-channel power output interface are arranged on the signal input and output board, a selector switch, a multi-channel optical fiber signal input interface and a mode electrical audio signal balance input interface are respectively arranged on the multi-channel signal input interface, the multi-channel optical fiber signal input interface and the mode electrical audio signal balance input interface are high in circuit integration level and are used for inputting digital signals and analog signals, the selector switch is used for selecting modes of optical fiber signal input and mode electrical audio signal input, a multi-channel power amplifier output terminal is arranged on the multi-channel power output interface, and output power of each terminal on the multi-channel power amplifier output terminal is different, so that multi-channel power amplification output.

Wherein, energy-conserving switch includes:

and standby means for performing a power-off standby operation in a case where power supply is temporarily not required.

The front panel is also provided with an infrared receiving remote control device which is used for receiving infrared remote control signals and realizing remote power-off standby operation and protection recovery operation.

Wherein, multichannel signal power pilot lamp and power amplifier trouble pilot lamp include:

an indicating device;

the indicating device is used for prompting the power amplifier to break down through the display of the light of the indicating lamp when the power amplifier breaks down, and restoring the display of the bulb of the indicating lamp for prompting the power amplifier to break down to a normal state when the power amplifier restores to a normal working state.

The power supply time sequence board is provided with a power supply time sequence functional socket, and the power supply time sequence functional socket is used for carrying out time delay power supply on the power amplifier.

The signal input and output board is further provided with a multi-channel power amplifier, 8 output power terminals are arranged on the multi-channel power amplifier, the 8 output power terminals are connected in a mode that a left front terminal is connected with the loudspeaker box, a right front terminal is connected with the loudspeaker box, a left terminal is connected with the surround loudspeaker box, a right terminal is connected with the surround loudspeaker box, a middle terminal is connected with the loudspeaker box, a left rear terminal is connected with the loudspeaker box, a right rear terminal is connected with the loudspeaker box, and a rear ultra-low terminal is connected with the ultra-low loudspeaker box.

The multichannel power amplifier with the power supply timing sequence function further comprises a remote control transmitter, wherein the remote control transmitter comprises a remote control switch key and a mute key, and the remote control switch key and the mute key are multiplexed.

According to another aspect of the present invention, there is provided a multi-channel power amplifying device with power supply timing function, comprising a multi-channel power amplifier with power supply timing function as described in any one of the above.

It can be found that, in the above scheme, the multi-channel power amplifier with power timing function can comprise a front panel and a rear panel, the front panel can be provided with an energy-saving power switch and a multi-functional display panel, the energy-saving power switch can realize the management of the on and off of the power supply through the control of a single chip microcomputer, the multi-functional display panel can be provided with an organic energy-saving standby state indicator lamp, an infrared receiving remote control device, a multi-channel function protection state removing indicator lamp and a second function mute indicator lamp, a multi-channel signal power indicator lamp and a power amplifier fault indicator lamp, the rear panel can be provided with a power timing panel and a signal input and output panel, the power timing panel can be provided with 3 groups of national standard sockets with timing function and timing function indicator lamps with preset number, the national standard sockets with timing function and the timing function indicator lamps are controlled by an internal central processing unit, the signal input/output board can be provided with a multi-channel signal input interface and a multi-channel power output interface, the multi-channel signal input interface part is respectively provided with a selector switch, a multi-channel optical fiber signal input interface and a mode electrical audio signal balance input interface, the multi-channel optical fiber signal input interface and the mode electrical audio signal balance input interface have high circuit integration level and are used for inputting and inputting digital signals and analog signals, the selector switch can select the mode of optical fiber signal input and mode electrical audio signal input, the multi-channel power output interface is provided with a multi-channel power amplifier output terminal, the output power of each terminal on the multi-channel power amplifier output terminal is different, multi-channel power amplification output is realized, and the function of the home theater can be realized without a split amplifier when a home theater is built, the power supply has the advantages of small volume, small occupied space and power supply time sequence function, avoids overlarge current when starting up at the same time, and avoids the situation that the equipment starting up first interferes with the equipment starting up later.

Further, in the above aspect, the power saving power switch may include a standby device, and the standby device may perform a power-off standby operation in a case where power supply is temporarily not required, which has an advantage of enabling power saving.

Furthermore, according to the scheme, the front panel can be further provided with the infrared receiving remote control device, the infrared receiving remote control device can receive infrared remote control signals, and long-distance power-off standby operation and protection recovery operation are achieved.

Furthermore, above scheme, this multichannel signal power pilot lamp and power amplifier trouble pilot lamp can include indicating device, and this indicating device can be when power amplifier breaks down, reminds power amplifier to break down through the demonstration of the light of pilot lamp, and when power amplifier resumes normal operating condition, with the demonstration of the bulb of this pilot lamp that reminds power amplifier to break down recovering to normal condition, such advantage can realize avoiding appearing the power amplifier and break down and not take place the circumstances of instruction, can't discern the power amplifier when appearing the power amplifier and break down the circumstances emergence.

Furthermore, according to the scheme, the power timing socket on the power timing board can supply power to the external connection device in a delayed mode, so that the situation that the current is too large when the external connection device is supplied with power can be avoided, and the situation that signals of the external connection device or the power amplifier and other devices are interfered with each other is avoided.

Further, above scheme, this signal input output board can also set up multichannel number power amplifier on it, can set up 8 output power terminals on this multichannel number power amplifier, this 8 output power terminal's connected mode can include that left leading terminal connects the audio amplifier, the stereo set is connected to right leading terminal, left terminal connection encircles the stereo set, right-hand member terminal connection encircles the stereo set, well terminal connection stereo set, the stereo set is connected to left trailing terminal, the stereo set is connected to right trailing terminal, the stereo set is connected to the ultra-low terminal of postposition, such benefit can realize improving the sound effect of the broadcast stereo set of home theater.

Further, according to the above scheme, the multi-channel power amplifier with the power supply timing function may further comprise a remote control transmitter, the remote control transmitter may comprise a remote control switch key and a mute key, and the remote control switch key and the mute key are multiplexed, so that the remote control transmitter can have the function of protecting the resume key through the multiplexing of the remote control switch key and the mute key.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a front panel of a multi-channel power amplifier with power timing function according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of a rear panel in the multi-channel power amplifier with power timing function according to the present invention;

fig. 3 is a schematic structural diagram of an embodiment of a remote control transmitter in a multi-channel power amplifier with a power timing function according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Similarly, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive work are within the scope of the present invention.

The invention provides a multi-channel power amplifier with a power supply time sequence function, which can realize the function of a home theater without using a split amplifier when the home theater is built, has small volume and small occupied space, has the power supply time sequence function, and avoids the situation that the current for starting the home theater is too large at the same time and the interference of equipment for starting the home theater at first to equipment for starting the home theater at later time is easy to occur.

The invention provides a multi-channel power amplifier with a power supply time sequence function.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an embodiment of a front panel in a multi-channel power amplifier with a power timing function according to the present invention, and fig. 2 is a schematic structural diagram of an embodiment of a rear panel in a multi-channel power amplifier with a power timing function according to the present invention.

As shown in fig. 1, the front panel is provided with an energy saving power switch 1 and a multifunctional display panel (not shown).

The energy-saving power switch 1 is used for managing the on and off of a power supply through the control of a single chip microcomputer.

The multifunctional display board is provided with an organic energy-saving standby state indicator lamp 2, an infrared receiving remote control device 3, a multi-channel function protection state removing indicator lamp and a second function mute indicator lamp 4, a multi-channel signal power indicator lamp and a power amplifier fault indicator lamp 5.

As shown in fig. 2, the rear panel is provided with a power timing board 10, and signal input/output boards (7, 8,13 in the figure).

The power supply time sequence board is provided with a preset number of national standard sockets with time sequence functions 10 and time sequence function indicator lamps 9, and the national standard sockets with time sequence functions 10 and the time sequence function indicator lamps 9 are controlled by an internal MCU (Central processing Unit).

The signal input and output board is provided with a multi-channel signal input interface (7, 8 in the figure) and a multi-channel power output interface (13 in the figure), the multi-channel signal input interface is respectively provided with a selector switch 6, a multi-channel optical fiber signal input interface 7 and a mode electrical audio signal balance input interface 8, the multi-channel optical fiber signal input interface 7 and the mode electrical audio signal balance input interface 8 are high in circuit integration level and used for inputting a digital signal and an analog signal, the selector switch 6 is used for selecting modes of optical fiber signal input and mode electrical audio signal input, the multi-channel power output interface is provided with a multi-channel power amplifier output terminal 13, the output power of each terminal on the multi-channel power amplifier output terminal 13 is different, and multi-channel power amplification output is achieved.

Optionally, the energy-saving power switch 1 may include:

the standby device indication (2 in the figure) is used for executing the power-off standby operation in the case that power supply is temporarily not needed, which has the advantage of realizing energy saving of electric energy.

Optionally, the front panel may further be provided with an infrared receiving remote control device (shown in fig. 3), and the infrared receiving remote control device is configured to receive an infrared remote control signal and implement a remote power-off standby operation and a protection recovery operation, which is advantageous in that the remote power-off standby operation and the protection recovery operation can be conveniently implemented.

Alternatively, the multi-channel signal power indicator lamp and power amplifier failure indicator lamp 5 may include:

an indicator light device (shown in figure 8);

this pilot lamp device for when power amplifier breaks down, the demonstration of the light through the pilot lamp indicates power amplifier to break down, when power amplifier resumes normal operating condition, with the demonstration of the light of this pilot lamp that indicates power amplifier to break down resume normal condition, such advantage can realize avoiding appearing the power amplifier and break down the condition emergence that does not instruct, the condition emergence that unable discernment power amplifier was good or bad when avoiding appearing the power amplifier and breaking down.

Optionally, the power supply time sequence board receives the control of a central processing unit on the front panel, and the central processing unit is used for supplying power to the external connection device in a delayed manner.

Optionally, this signal input/output board can also set up multichannel number power amplifier terminal (13 in the figure) on it, can set up 8 output power terminals on this multichannel number power amplifier, this 8 output power terminal's connected mode can include that left front end connects the audio amplifier, the stereo set is connected to right front end, surround the stereo set is connected to left end, right end connection surrounds the stereo set, the stereo set is connected to the middle terminal, the stereo set is connected to left rear end, the stereo set is connected to right rear end, ultra-low stereo set is connected to the rear end, such advantage can realize improving the audio effects of the broadcast stereo set of home theater.

Optionally, the multi-channel power amplifier with power supply timing function may further include a remote control transmitter (shown in fig. 3). Referring to fig. 3, fig. 3 is a schematic structural diagram of a remote control transmitter in a multi-channel power amplifier with a power timing function according to an embodiment of the present invention. As shown in fig. 3, the remote control transmitter may include a remote switch key 14 and a mute key 15, and the remote switch key 14 and the mute key 15 are multiplexed, which is advantageous in that the remote control transmitter can have a function of a protection resume key by multiplexing the remote switch key and the mute key.

In this embodiment, the organic energy-saving standby state indicator lamp 2 can stop working of the large-current portion of the multi-channel power amplifier with the power timing function, so as to save electric energy, and the organic energy-saving standby state indicator lamp 2 can indicate that the standby setting is successful in a flashing manner, which is not limited in the present invention.

In this embodiment, the multi-channel function protection state release indicator and the second function mute indicator 4 may display colored light, such as green light, when the power amplifier operates, and may not display light when the power amplifier does not operate, which is beneficial to determining the current operating state of the power amplifier, including a normal operating state and an inoperative state, through the display of light, and the present invention is not limited.

In this embodiment, the multi-channel functional protection state release indicator lamp and the second functional mute indicator lamp 4 may display a colored light, for example, a red light, when the channel of the power amplifier fails.

In this embodiment, the condition that the channel of the power amplifier fails may include:

the voltage is too high, and the electric current is too big, and circuit short circuit appears in inside, and the inside high temperature of local machine all can show that the red light is bright, and such advantage can realize effectively preventing in the power amplifier zero device because of the heat is too high, the too big scheduling problem of electric current.

In the present embodiment, the multi-channel optical fiber signal input interface 7 and the analog-to-digital audio signal balance input interface 8 can input digital signals and analog-to-digital signals into a power amplifier to realize the compatibility of the input signals of the multi-channel device.

It can be seen that, in this embodiment, the multi-channel power amplifier with power supply timing function may include a front panel and a rear panel, the front panel can be provided with an energy-saving power switch and a multifunctional display panel, the energy-saving power switch can realize the management of the on and off of the power supply through the control of the singlechip, the multifunctional display panel can be provided with an organic energy-saving standby state indicator lamp, an infrared receiving remote control device, a multi-channel function protection state removing indicator lamp, a second function mute indicator lamp, a multi-channel signal power indicator lamp and a power amplifier fault indicator lamp, the rear panel can be provided with a power supply time sequence board and a signal input/output board, the power supply time sequence board is provided with 3 groups of national standard sockets with time sequence function and time sequence function indicator lamps, the national standard socket with the time sequence function and the time sequence function indicating lamp are controlled by an internal central processing unit. The multi-channel optical fiber signal input interface, the analog-to-digital audio signal balance input interface and the multi-channel power output interface have high circuit integration level and are used for inputting digital signals and analog signals, the multi-channel signal input interface is partially provided with a change-over switch which can select the mode of inputting optical fiber signals and inputting analog-to-digital audio signals, the multi-channel power output interface is provided with a multi-channel power amplifier output terminal, the output power of each terminal on the multi-channel power amplifier output terminal is different, multi-channel power amplification output is realized, the home theater function can be realized without a split amplifier when a home theater is built, the size is small, the occupied space is small, the power supply time sequence function is realized, and the overlarge simultaneous starting current is avoided, the situation that the first-boot device interferes with the second-boot device is easy to occur.

Further, in this embodiment, the power saving power switch may include a standby device that may perform a power-off standby operation in a case where power supply is temporarily not required, which is advantageous in that power saving can be achieved.

Furthermore, in this embodiment, the front panel may further have an infrared receiving remote control device thereon, and the infrared receiving remote control device may receive an infrared remote control signal to implement a remote power-off standby operation and a protection recovery operation, which is advantageous in that the remote power-off standby operation and the protection recovery operation can be conveniently implemented.

Further, in this embodiment, the multichannel signal power indicator and the power amplifier failure indicator may include an indicator device, where the indicator device may prompt the power amplifier to fail through display of light of the indicator when the power amplifier fails, and when the power amplifier recovers to a normal operating state, the light display of the indicator that prompts the power amplifier to fail is recovered to a normal state.

Further, in this embodiment, the power timing board is provided with a timing socket with a timing function, and the power timing socket can perform delayed power supply on the external connection device, so that the power timing board can avoid the occurrence of an over-high current condition when supplying power to the external connection device, and avoid the occurrence of a condition of power supply of the external connection device or mutual interference of signals between the power amplifier and other devices.

Further, in this embodiment, this signal input output board still is provided with multichannel power amplifier terminal on it, this 8 output power terminal's connected mode can include that the audio amplifier is connected to the leading terminal in a left side, the stereo set is connected to the leading terminal in the right side, the surround stereo set is connected to the left terminal, the surround stereo set is connected to the right terminal, the stereo set is connected to the middle terminal, the stereo set is connected to the rear terminal in a left side, the stereo set is connected to the rear terminal in the right side, the ultra-low stereo set is connected to the ultra-low terminal in the rear, such benefit can realize improving the sound effect of the broadcast stereo set of home.

Further, in this embodiment, the multi-channel power amplifier with power timing function may further include a remote control transmitter, and the remote control transmitter may include a remote control switch key and a mute key, and the mute key is multiplexed with the remote control switch key, so that the multiplexing of the mute key enables the remote control transmitter to have a function of protecting the resume key.

The invention further provides a multi-channel power amplification device with a power supply timing function, which comprises a multi-channel power amplifier with the power supply timing function, wherein the multi-channel power amplifier with the power supply timing function is the multi-channel power amplifier with the power supply timing function in the embodiment, and each functional module of the multi-channel power amplifier with the power supply timing function can respectively execute the function, the connection relation and the like of each functional module of the multi-channel power amplifier with the power supply timing function in the embodiment, so that the functional modules of the multi-channel power amplifier with the power supply timing function are not described in detail herein, and please refer to the corresponding description above in detail.

It can be found that, in the above scheme, the multi-channel power amplifier with power timing function can comprise a front panel and a rear panel, the front panel can be provided with an energy-saving power switch and a multi-functional display panel, the energy-saving power switch can realize the management of the on and off of the power supply through the control of a single chip microcomputer, the multi-functional display panel can be provided with an organic energy-saving standby state indicator lamp, an infrared receiving remote control device, a multi-channel function protection state removing indicator lamp and a second function mute indicator lamp, a multi-channel signal power indicator lamp and a power amplifier fault indicator lamp, the rear panel can be provided with a power timing panel and a signal input and output panel, the power timing panel is provided with 3 groups of national standard sockets with timing function and timing function indicator lamps, the national standard sockets with timing function and the timing function indicator lamps are controlled by an internal central processing unit, the signal input/output board can be provided with a multi-channel signal input interface and a multi-channel power output interface, the multi-channel signal input interface is respectively provided with a selector switch, a multi-channel optical fiber signal input interface and a mode electrical audio signal balance input interface, the multi-channel optical fiber signal input interface and the mode electrical audio signal balance input interface have high circuit integration level and are used for inputting digital signals and analog signals, the selector switch can select the mode of optical fiber signal input and mode electrical audio signal input, the multi-channel power output interface is provided with a multi-channel power amplifier output terminal, the output power of each terminal on the multi-channel power amplifier output terminal is different, multi-channel power amplification output is realized, and the function of a home theater can be realized without using a split amplifier when the home theater is built, the power supply has the advantages of small volume, small occupied space and power supply time sequence function, and avoids the phenomenon that the external connection of other multiple devices is over large in current when starting up at the same time, and the interference of the first starting-up device to the later starting-up device is easy to occur.

Further, according to the scheme, the first-stage reaction device,theThe power saving power switch may include a standby device that can perform a power-off standby operation in a case where power supply is temporarily not required, which is advantageous in that power saving can be achieved.

Furthermore, according to the scheme, the front panel can be further provided with the infrared receiving remote control device, the infrared receiving remote control device can receive infrared remote control signals, and long-distance power-off standby operation and protection recovery operation are achieved.

Furthermore, above scheme, this multichannel signal power pilot lamp and power amplifier trouble pilot lamp can include indicating device, and this indicating device can be when power amplifier breaks down, and the demonstration of the light through the pilot lamp reminds power amplifier to break down, and when power amplifier resumes normal operating condition, with this suggestion power amplifier the light of the pilot lamp that breaks down show to resume normal condition, and such advantage can realize avoiding appearing the power amplifier and break down the condition that does not instruct and take place, the condition that unable discernment power amplifier is good or bad takes place when avoiding appearing the power amplifier and breaking down.

Furthermore, according to the scheme, the power timing board is provided with the power timing socket, and the power timing socket can be used for supplying power to the power amplifier in a delayed mode.

Further, above scheme, this signal input output board can also set up multichannel number power amplifier on it, can set up 8 output power terminals on this multichannel number power amplifier, this 8 output power terminal's connected mode can include that left leading terminal connects the audio amplifier, the stereo set is connected to right leading terminal, left terminal connection encircles the stereo set, right-hand member terminal connection encircles the stereo set, well terminal connection stereo set, the stereo set is connected to left trailing terminal, the stereo set is connected to right trailing terminal, the stereo set is connected to the ultra-low terminal of postposition, such benefit can realize improving the sound effect of the broadcast stereo set of home theater.

Further, according to the above scheme, the multi-channel power amplifier with the power supply timing function may further comprise a remote control transmitter, the remote control transmitter may comprise a remote control switch key and a mute key, and the remote control mute key is multiplexed, so that the remote control transmitter can have a protection recovery key function through multiplexing of the mute key.

In the several embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a module or a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be substantially or partially implemented in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.