CN105445651A - Professional power amplifier system with color screen - Google Patents
Professional power amplifier system with color screen Download PDFInfo
- Publication number
- CN105445651A CN105445651A CN201510843384.8A CN201510843384A CN105445651A CN 105445651 A CN105445651 A CN 105445651A CN 201510843384 A CN201510843384 A CN 201510843384A CN 105445651 A CN105445651 A CN 105445651A
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- CN
- China
- Prior art keywords
- power
- circuit
- display
- protection circuit
- power amplifier
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/316—Testing of analog circuits
- G01R31/3163—Functional testing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a professional power amplifier system with a color screen, comprising a microprocessor and a display screen, a power supply switch, a commercial power voltage sample, a protection circuit A, a protection circuit B which are connected to the microprocessor; the professional power amplifier system with color screen also comprises a power amplifier main power supply which is connected to the power supply switch, a power amplifier A connected to the protection circuit A, a circuit amplifier A connected to the power amplifier A, a volume A connected to the circuit amplifier A, a power amplifier B connected to the protection circuit B, a circuit amplifier B connected to the power amplifier B, and the volume B connected to the circuit amplifier B. The power amplifier A and the amplifier B directly detects the sample and the microprocessor through a temperature level CLIP; the power supply switch is inputted through the commercial power; and the protection circuit A and the protection circuit B output audio frequency through the A channel and the B channel. The color screen can display various states of the power amplifier in real time, enables the power amplifier to easily operate and directly and to be humanized, provides convenience to the debugging and test, and shortens the production cycle.
Description
Technical field
The present invention relates to a kind of technical field of power amplification system, particularly relate to a kind of various states with can show power amplifier in real time with color screen, make power amplifier operate convenient and be with color screen specialty power amplification system intuitively.
Background technology
At present, electronic equipment can have different duties, and the power amplifier of such as audio power amplification system can have the multiple duties such as quiet, standby and normal.Under normal circumstances, the signal of different potentials is inputed to the control pin of described electronic equipment, described electronic equipment namely can be made to enter different duties.Wherein, the signal inputing to the different potentials of the control pin of described electronic equipment can be produced by corresponding control circuit.
But because the existing power amplification system structure that is display screen shows the duty of this power amplification system; it is to fail can understand this power amplification system in real time; to the debugging of power amplification system and test also and inconvenient; do not possess protection power amplifier and the effect of loudspeaker, make that the production cost of power amplification system is high and the production cycle is long yet.
Summary of the invention
The object of the invention is the shortcoming in order to overcome above-mentioned prior art, there is provided a kind of band color screen specialty power amplification system, this band color screen specialty power amplification system adopts the tft color screen of a piece 2.4 cun, the various states of display power amplifier in real time, power amplifier is operated convenient and directly perceived, hommization more; Due to the various states of power amplifier can be shown in real time, facilitate debugging and test greatly, thus production cycle and production cost can be shortened, also can protect power amplifier and loudspeaker quickly and efficiently.
The technical solution adopted for the present invention to solve the technical problems is: a kind of band color screen specialty power amplification system, the display screen comprising microprocessor and be connected respectively with microprocessor, power switch, line voltage is sampled, protection circuit A, comprise circuit B, also include the power amplifier primary power be connected with power switch, the power amplification A be connected with protection circuit A, the circuit be connected with power amplification A amplifies A, the volume A that A is connected is amplified with circuit, the power amplification B be connected with protection circuit B, the circuit of the connection be connected with power amplification B amplifies B, the volume B that B is connected is amplified with circuit, power amplification A and power amplification B is respectively by the sampling of temperature levels CLIP direct-detection and microprocessor, and power switch is inputted by civil power, and protection circuit A and protection circuit B exports respectively by A channel audio frequency and channel B audio frequency exports.
Further, the state of described display screen display has: distortion display, protection display, audio signal strength display, Temperature displaying, rotation speed of the fan display, civil power display and pattern display.
Further, described power switch adopts the power button of a key multipotency, and power button possesses start, standby, quiet and power on mode selection function.
Further, described power amplifier primary power comprises the monolateral o-volt protection circuit of power amplifier primary power.
In sum, band color screen specialty power amplification system of the present invention adopts the tft color screen of a piece 2.4 cun, and the various states of display power amplifier, make power amplifier operate convenient and directly perceived, hommization more in real time; Due to the various states of power amplifier can be shown in real time, facilitate debugging and test greatly, thus production cycle and production cost can be shortened, also can protect power amplifier and loudspeaker quickly and efficiently.
Accompanying drawing explanation
Fig. 1 is a kind of FB(flow block) with color screen specialty power amplification system of the embodiment of the present invention 1.
Embodiment
Embodiment 1
One band color screen specialty power amplification system described by the present embodiment 1, as shown in Figure 1, the display screen comprising microprocessor and be connected respectively with microprocessor, power switch, line voltage are sampled, protection circuit A, comprise circuit B, also include the power amplifier primary power be connected with power switch, the power amplification A be connected with protection circuit A, the circuit that is connected with power amplification A amplify A, amplify volume A, the power amplification B be connected with protection circuit B that A is connected with circuit, the circuit of connection that is connected with power amplification B amplifies B, amplify the volume B that B is connected with circuit; Power amplification A and power amplification B is respectively by the sampling of temperature levels CLIP direct-detection and microprocessor, and power switch is inputted by civil power, and protection circuit A and protection circuit B exports respectively by A channel audio frequency and channel B audio frequency exports.
The state of this display screen display has: distortion display, protection display, audio signal strength display, Temperature displaying, rotation speed of the fan display, civil power display and pattern display.
This power switch adopts the power button of a key multipotency, and power button possesses start, standby, quiet and power on mode selection function.
This power amplifier primary power comprises the monolateral o-volt protection circuit of power amplifier primary power.
A and B two groups of sound signals respectively incoming line amplification A and B are amplified, user can select corresponding function by solution, as 30HzHI-PASS (ONOFF), (0.775V, 1V, 1.4V) is selected in sensitivity, mode of operation (BRIDGE, PARALL, STEREO), two groups of sound signals after amplifying process respectively power input amplify A and B.The power amplification of every road has independently to detect samples and protection circuit, and detection sampled signal is transferred to microprocessor and carries out processing and export control signal Drive Protecting Circuit, thus ensure that the normal work of power amplifier.
Microprocessor is the setting of complete machine control axis, power button function, and distortion shows, protection display, and audio signal strength shows, Temperature displaying, and rotation speed of the fan shows, and civil power shows, and pattern shows.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to structure of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (4)
1. a band color screen specialty power amplification system, it is characterized in that, the display screen comprising microprocessor and be connected respectively with microprocessor, power switch, line voltage are sampled, protection circuit A, comprise circuit B, also include the power amplifier primary power be connected with power switch, the power amplification A be connected with protection circuit A, the circuit that is connected with power amplification A amplify A, amplify volume A, the power amplification B be connected with protection circuit B that A is connected with circuit, the circuit of connection that is connected with power amplification B amplifies B, amplify the volume B that B is connected with circuit; Power amplification A and power amplification B is respectively by the sampling of temperature levels CLIP direct-detection and microprocessor, and power switch is inputted by civil power, and protection circuit A and protection circuit B exports respectively by A channel audio frequency and channel B audio frequency exports.
2. one band color screen specialty power amplification system according to claim 1; it is characterized in that, the state of described display screen display has: distortion display, protection display, audio signal strength display, Temperature displaying, rotation speed of the fan display, civil power display and pattern display.
3. one band color screen specialty power amplification system according to claim 2, it is characterized in that, described power switch adopts the power button of a key multipotency, and power button possesses start, standby, quiet and power on mode selection function.
4. one band color screen specialty power amplification system according to claim 3, it is characterized in that, described power amplifier primary power comprises the monolateral o-volt protection circuit of power amplifier primary power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843384.8A CN105445651A (en) | 2015-11-28 | 2015-11-28 | Professional power amplifier system with color screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843384.8A CN105445651A (en) | 2015-11-28 | 2015-11-28 | Professional power amplifier system with color screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105445651A true CN105445651A (en) | 2016-03-30 |
Family
ID=55556078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510843384.8A Pending CN105445651A (en) | 2015-11-28 | 2015-11-28 | Professional power amplifier system with color screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105445651A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547050A (en) * | 2001-09-21 | 2009-09-30 | 雅马哈株式会社 | Audio signal editing apparatus and control method therefor |
| US20110299705A1 (en) * | 2010-06-07 | 2011-12-08 | Hannstar Display Corporation | Audio signal adjusting system and method |
| CN102403961A (en) * | 2011-11-18 | 2012-04-04 | 沈奕 | Intelligent monitoring and protecting system of high-power audio amplifier |
| US20120294459A1 (en) * | 2011-05-17 | 2012-11-22 | Fender Musical Instruments Corporation | Audio System and Method of Using Adaptive Intelligence to Distinguish Information Content of Audio Signals in Consumer Audio and Control Signal Processing Function |
| CN202696542U (en) * | 2012-06-04 | 2013-01-23 | 国光电器股份有限公司 | Modular professional power amplifier |
| CN204578483U (en) * | 2015-04-08 | 2015-08-19 | 钟武清 | A kind of professional audio amplifier |
-
2015
- 2015-11-28 CN CN201510843384.8A patent/CN105445651A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547050A (en) * | 2001-09-21 | 2009-09-30 | 雅马哈株式会社 | Audio signal editing apparatus and control method therefor |
| US20110299705A1 (en) * | 2010-06-07 | 2011-12-08 | Hannstar Display Corporation | Audio signal adjusting system and method |
| US20120294459A1 (en) * | 2011-05-17 | 2012-11-22 | Fender Musical Instruments Corporation | Audio System and Method of Using Adaptive Intelligence to Distinguish Information Content of Audio Signals in Consumer Audio and Control Signal Processing Function |
| CN102403961A (en) * | 2011-11-18 | 2012-04-04 | 沈奕 | Intelligent monitoring and protecting system of high-power audio amplifier |
| CN202696542U (en) * | 2012-06-04 | 2013-01-23 | 国光电器股份有限公司 | Modular professional power amplifier |
| CN204578483U (en) * | 2015-04-08 | 2015-08-19 | 钟武清 | A kind of professional audio amplifier |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |