CN111294703A - Multi-mode effect switching combined karaoke power amplifier - Google Patents
Multi-mode effect switching combined karaoke power amplifier Download PDFInfo
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- CN111294703A CN111294703A CN202010066827.8A CN202010066827A CN111294703A CN 111294703 A CN111294703 A CN 111294703A CN 202010066827 A CN202010066827 A CN 202010066827A CN 111294703 A CN111294703 A CN 111294703A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0008—Associated control or indicating means
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/18—Selecting circuits
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Amplifiers (AREA)
Abstract
The invention relates to the technical field of karaoke power amplifiers, in particular to a multi-mode effect switching combined karaoke power amplifier, wherein one machine is output by 4 channels, and the other machine replaces two traditional machines, so that the space is saved, a plurality of groups of connecting wires are saved, the problem that an integrated power amplifier cannot be connected with a passive ultra-low sound box is solved, and the simple switching of multiple use modes is realized in the same field, for example, a conference full-frequency sound box and an entertainment ultra-low sound box can be arranged in a conference room, so that the conference room can meet the sound requirements of conference and celebration entertainment activities through simple switching keys, the whole operation is simple, the economy and the compatibility of multi-occasion effects can be met; the machine body is formed by combining four groups of power amplifiers, and the conversion output of 4.0 channels (four-channel full-frequency output mode), 2.2 channels (two-channel full-frequency and two-channel ultralow low-frequency) and 2.1 channel modes (two-channel full-frequency and 1-channel ultralow-frequency output mode) is controlled by 3 mechanical linkage self-locking switches, so that the machine body can adapt to the sound effect used in various occasions.
Description
Technical Field
The invention relates to the technical field of karaoke power amplifiers, in particular to a multi-mode effect switching combined karaoke power amplifier.
Background
As is well known, a karaoke power amplifier is an auxiliary device for playing required audio in scenes such as conferences, teaching, multi-channel background music systems, KTV rooms, dances, fitness centers and the like, and is widely used in the field of karaoke power amplifiers; the existing power amplifier types are roughly divided into a combined karaoke power amplifier, a pure rear-stage power amplifier and a cinema or shadow K type power amplifier, but the combined karaoke power amplifier has only 2 channels and no mode switching function, a plurality of sound boxes are used simultaneously, a plurality of power amplifiers are required to be combined for use, the pure rear-stage power amplifier can be used only by adding preceding-stage signal processing, the cinema or shadow K type power amplifier has only 5.1 or 7.1 modes and no mode switching function, so that the application range of the existing power amplifier is narrow, the practicability is poor, and various use occasions and requirements cannot be met.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a 4-channel karaoke amplifier, which can be directly connected to a subwoofer or a plurality of full-band speakers, can be simultaneously connected to the subwoofer and the full-band speakers, and can be switched between multiple modes to realize multi-mode effect switching and combination for various use occasions and requirements.
The invention relates to a multi-mode effect switching combined karaoke power amplifier, wherein a machine body is formed by combining four groups of power amplifiers, and the conversion output of 4.0 channels (four-channel full-frequency output mode), 2.2 channels (two-channel full frequency plus two-channel ultralow low frequency) and 2.1 channel modes (two-channel full frequency plus 1-channel ultralow sound output mode) is controlled by 3 mechanical linkage self-locking switches, so that the karaoke power amplifier can adapt to sound effects used in various occasions.
The invention relates to a multi-mode effect switching combined karaoke power amplifier, which has a 4.0 mode: when pressing the 4.0 button, 2.2 buttons and 2.1 buttons are the bounce-off state, relay 1 and relay 2 are the closed condition, relay 3 disconnection, 4052IC intercommunication A1, A2 signal are enlargied to left 2 sound channel power amplifier and right 2 sound channel power amplifier, export the full frequency audio amplifier for left 2 sound channel and right 2 sound channel through relay 2 to form the full frequency output of left 1 sound channel, right 1 sound channel and left 2 sound channel, right 2 sound channel, accomplish the 4.0 mode.
The invention discloses a multi-mode effect switching combined karaoke power amplifier, which comprises the following modes: when pressing the 2.2 button, 4.0 buttons and 2.1 buttons are the bounce-open state, and relay 1 and relay 2 are the closed condition, and relay 3 disconnection, 4052IC intercommunication B1, B2 signal are to left 2 sound channel power amplifier and right 2 sound channel power amplifier and enlarge, export the low frequency audio amplifier of left 2 sound channels and right 2 sound channels through relay 2 to form the full frequency output of left 1 sound channel, right 1 sound channel and the low frequency output of left 2 sound channel and right 2 sound channel, accomplish the 2.2 mode.
The invention relates to a multi-mode effect switching combined karaoke power amplifier, which has a 2.1 mode, wherein when a 2.1 key is pressed, a 4.0 key and a 2.2 key are in a bounce-open state, a relay 1 is closed, a relay 2 is disconnected, a breaker 3 is closed, 4052 ICs communicate C1 and C2 signals to a left 2-channel power amplifier and a right 2-channel power amplifier for amplification, and the relay 3 forms bridging output of the left 2-channel power amplifier and the right 2-channel power amplifier and outputs the bridging output to a bass sound box, so that full-frequency output of the left 1-channel and the right 1-channel and low-frequency output of a high-power channel bridged by the left 2-channel and the right 2-channel are formed, and the 2.1 mode.
Compared with the prior art, the invention has the beneficial effects that: 4 passageway outputs of a machine, a machine replaces two traditional machines, save space, save the multiunit line, solve the problem that passive ultra-low audio amplifier can't be connected to integrative power amplifier, make the ultra-low audio amplifier lower threshold get into music fan personal, and realize the simple switching of multiple usage pattern in same place, can arrange the meeting full-frequency audio amplifier and the ultra-low audio amplifier for the amusement if the meeting room, make the meeting room satisfy meeting and celebration entertainment activity's stereo set demand through simple switching button, the bulk operation is simple, economy and practicability, can satisfy compatible many occasions and act on.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is an enlarged view of reference A in FIG. 1;
FIG. 3 is an enlarged view of reference B in FIG. 1;
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the multi-mode effect switching and combining type karaoke power amplifier of the present invention has a body formed by combining four sets of power amplifiers, and controls the switching output of 4.0 channels (four-channel full frequency output mode), 2.2 channels (two-channel full frequency plus two-channel ultra-low frequency), 2.1 channel modes (two-channel full frequency plus 1-channel ultra-low frequency output mode) through 3 mechanical linkage self-locking switches, so that the multi-mode effect switching and combining type karaoke power amplifier can adapt to the sound effect used in various occasions.
The invention relates to a multi-mode effect switching combined karaoke power amplifier, which has a 4.0 mode: when pressing the 4.0 button, 2.2 buttons and 2.1 buttons are the bounce-off state, relay 1 and relay 2 are the closed condition, relay 3 disconnection, 4052IC intercommunication A1, A2 signal are enlargied to left 2 sound channel power amplifier and right 2 sound channel power amplifier, export the full frequency audio amplifier for left 2 sound channel and right 2 sound channel through relay 2 to form the full frequency output of left 1 sound channel, right 1 sound channel and left 2 sound channel, right 2 sound channel, accomplish the 4.0 mode.
The invention discloses a multi-mode effect switching combined karaoke power amplifier, which comprises the following modes: when pressing the 2.2 button, 4.0 buttons and 2.1 buttons are the bounce-open state, and relay 1 and relay 2 are the closed condition, and relay 3 disconnection, 4052IC intercommunication B1, B2 signal are to left 2 sound channel power amplifier and right 2 sound channel power amplifier and enlarge, export the low frequency audio amplifier of left 2 sound channels and right 2 sound channels through relay 2 to form the full frequency output of left 1 sound channel, right 1 sound channel and the low frequency output of left 2 sound channel and right 2 sound channel, accomplish the 2.2 mode.
The invention relates to a multi-mode effect switching combined karaoke power amplifier, which has a 2.1 mode, wherein when a 2.1 key is pressed, a 4.0 key and a 2.2 key are in a bounce-open state, a relay 1 is closed, a relay 2 is disconnected, a breaker 3 is closed, 4052 ICs communicate C1 and C2 signals to a left 2-channel power amplifier and a right 2-channel power amplifier for amplification, and the relay 3 forms bridging output of the left 2-channel power amplifier and the right 2-channel power amplifier and outputs the bridging output to a bass sound box, so that full-frequency output of the left 1-channel and the right 1-channel and low-frequency output of a high-power channel bridged by the left 2-channel and the right 2-channel are formed, and the 2.1 mode.
The invention relates to a multi-mode effect switching combined karaoke power amplifier, which has the advantages that when the power amplifier works, one machine outputs 4 channels, one machine replaces two traditional machines, the space is saved, a plurality of groups of connecting wires are saved, the problem that an integrated power amplifier cannot be connected with a passive ultra-low sound box is solved, the ultra-low sound box enters the body of a music fan at a lower threshold, and multiple use modes are simply switched in the same place.
In the multi-mode effect switching combined karaoke power amplifier, the installation mode, the connection mode or the setting mode of all the components are common mechanical modes, and the specific structures, models and coefficient indexes of all the components are self-contained technologies, so that the multi-mode effect switching combined karaoke power amplifier can be implemented as long as the beneficial effects of the multi-mode effect switching combined karaoke power amplifier can be achieved, and further description is omitted.
The multi-mode effect switching combined karaoke power amplifier of the invention has the advantages that under the condition that the opposite explanation is not carried out, the directional terms "up, down, left, right, front, back, inside, and outside, and vertical and horizontal" included in the term merely represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The combined karaoke amplifier with multi-mode effect switching is characterized in that a machine body is formed by combining four groups of power amplifiers, and the conversion output of 4.0 channels (four-channel full-frequency output mode), 2.2 channels (two-channel full frequency plus two-channel ultralow low frequency) and 2.1 channel modes (two-channel full frequency plus 1-channel ultralow sound output mode) is controlled through 3 mechanical linkage self-locking switches, so that the combined karaoke amplifier can adapt to sound effects used in various occasions.
2. The multi-mode effect switching merged karaoke power amplifier of claim 1, wherein the 4.0 mode: when pressing the 4.0 button, 2.2 buttons and 2.1 buttons are the bounce-off state, relay 1 and relay 2 are the closed condition, relay 3 disconnection, 4052IC intercommunication A1, A2 signal are enlargied to left 2 sound channel power amplifier and right 2 sound channel power amplifier, export the full frequency audio amplifier for left 2 sound channel and right 2 sound channel through relay 2 to form the full frequency output of left 1 sound channel, right 1 sound channel and left 2 sound channel, right 2 sound channel, accomplish the 4.0 mode.
3. The multi-mode effect switching merged karaoke power amplifier of claim 2, wherein 2.2 mode: when pressing the 2.2 button, 4.0 buttons and 2.1 buttons are the bounce-open state, and relay 1 and relay 2 are the closed condition, and relay 3 disconnection, 4052IC intercommunication B1, B2 signal are to left 2 sound channel power amplifier and right 2 sound channel power amplifier and enlarge, export the low frequency audio amplifier of left 2 sound channels and right 2 sound channels through relay 2 to form the full frequency output of left 1 sound channel, right 1 sound channel and the low frequency output of left 2 sound channel and right 2 sound channel, accomplish the 2.2 mode.
4. The multi-mode effect switching combined karaoke amplifier as claimed in claim 3, wherein in 2.1 mode, when 2.1 button is pressed, 4.0 button and 2.2 button are in spring-open state, relay 1 is closed, relay 2 is open, breaker 3 is closed, 4052IC connects C1, C2 signals to left 2 channel amplifier and right 2 channel amplifier for amplification, relay 3 forms bridge output of left 2 amplifier and right 2 amplifier to bass speaker, thereby forming full frequency output of left 1 channel and right 1 channel, and low frequency output of high power channel bridged by left 2 channel and right 2 channel, thereby completing 2.1 mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010066827.8A CN111294703A (en) | 2020-01-20 | 2020-01-20 | Multi-mode effect switching combined karaoke power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010066827.8A CN111294703A (en) | 2020-01-20 | 2020-01-20 | Multi-mode effect switching combined karaoke power amplifier |
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| Publication Number | Publication Date |
|---|---|
| CN111294703A true CN111294703A (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010066827.8A Pending CN111294703A (en) | 2020-01-20 | 2020-01-20 | Multi-mode effect switching combined karaoke power amplifier |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476137Y (en) * | 2000-11-14 | 2002-02-06 | 深圳市鸿翰实业发展有限公司 | Multifunctional audio-visual amplifier equipment |
| CN101039398A (en) * | 2007-04-09 | 2007-09-19 | 海尔集团公司 | Method for playing television audio and television for realizing the same |
| CN200994121Y (en) * | 2006-12-27 | 2007-12-19 | 潘玉 | Dual-circuit AV and HIFI front-rear stage integrated power amplifier |
| US20130208928A1 (en) * | 2012-02-10 | 2013-08-15 | Onkyo Corporation | Audio processing apparatus |
| CN105164916A (en) * | 2013-01-09 | 2015-12-16 | Qsc音频制品公司 | Programmably configured switchmode audio amplifier |
| CN204993805U (en) * | 2015-07-31 | 2016-01-20 | 深圳市小行星科技有限公司 | On -vehicle karaoke power amplifier |
-
2020
- 2020-01-20 CN CN202010066827.8A patent/CN111294703A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476137Y (en) * | 2000-11-14 | 2002-02-06 | 深圳市鸿翰实业发展有限公司 | Multifunctional audio-visual amplifier equipment |
| CN200994121Y (en) * | 2006-12-27 | 2007-12-19 | 潘玉 | Dual-circuit AV and HIFI front-rear stage integrated power amplifier |
| CN101039398A (en) * | 2007-04-09 | 2007-09-19 | 海尔集团公司 | Method for playing television audio and television for realizing the same |
| US20130208928A1 (en) * | 2012-02-10 | 2013-08-15 | Onkyo Corporation | Audio processing apparatus |
| CN105164916A (en) * | 2013-01-09 | 2015-12-16 | Qsc音频制品公司 | Programmably configured switchmode audio amplifier |
| CN204993805U (en) * | 2015-07-31 | 2016-01-20 | 深圳市小行星科技有限公司 | On -vehicle karaoke power amplifier |
Non-Patent Citations (1)
| Title |
|---|
| 陈俊海: "《高等院校"十三五"规划教材 现代音响录音技术》", 30 November 2017, 中国轻工业出版社 * |
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Application publication date: 20200616 |