CN2465409Y - Fully automatic digital broadcasting apparatus - Google Patents
Fully automatic digital broadcasting apparatus Download PDFInfo
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- CN2465409Y CN2465409Y CN01216368U CN01216368U CN2465409Y CN 2465409 Y CN2465409 Y CN 2465409Y CN 01216368 U CN01216368 U CN 01216368U CN 01216368 U CN01216368 U CN 01216368U CN 2465409 Y CN2465409 Y CN 2465409Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a full automatic digital broadcasting apparatus, which comprises a casing and an electronic circuit. The utility model is characterized in that a single-chip computer 1 of the electronic circuit is orderly connected with a clock 2, a control panel 3, a display panel 4, an output controller 5, an ROM memorizer 6, a power supply monitor 7, a digital voice integrated circuit 8 and a monitoring output 10, wherein, the digital voice integrated circuit 8 is connected with the monitoring output 10 through an input control circuit 9, and a preamplifier 11 which is connected with a power amplifier 12 is connected to the input control circuit 9 and the monitoring output 10. The utility model has the advantages of high reliability, low power consumption, no power failure for long time use, good tone quality, high efficiency and unattended operation.
Description
The utility model relates to a kind of full-automatic digital broadcaster, belongs to electronic technology field.
The utility model is mainly used in the broadcast of middle and primary schools, and (1) tape broadcast is mostly adopted in the broadcast of present middle and primary schools, drawback such as exist that tape is easily aging, easy to wear, lower tone, selected songs difficulty, machine loss, fault are big.(2) labor management broadcast, time-consuming bothersome, often occur the playback mistake, overdue, forget closing device etc.(3) upper and lower class electric bell sound shrillness.
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides that a kind of reliability height, low in energy consumption, long-time use are not cut off the power supply, tonequality is good, efficient is high, unattended full-automatic digital broadcaster.
The purpose of this utility model can reach by following measure: a kind of full-automatic digital broadcaster, comprise shell, electronic circuit, it is characterized in that in the electronic circuit that monolithic computer is connected with clock, control panel, display floater, output control, ROM memory, Power Supply Monitoring, digital speech integrated circuit in turn, monitors output, the digital speech integrated circuit by input control circuit with monitor output and link to each other, input control circuit, monitoring output link to each other with preamplifier, and preamplifier links to each other with power amplifier.
The utility model can produce following good effect compared with the prior art: because the utility model is micro-computer technology, digital voice technology and level pressure power amplifier technology are combined as a whole, replaced recorder, enlarger, equipment such as electric bell, automatically by the time start is set, setting-up exercises to music are accurately play in shutdown, eye exercises, national anthem (flagraising), sportsman's march and the melodious music etc. of going to school and leaving school, music repeat playing in the typing chip does not have wearing and tearing, the tonequality grace, and built-in power amplifier aims at full-automatic digital player and supporting design, it is little that it has a volume, in light weight, tonequality is good, the reliability height, low in energy consumption, long-time use characteristics such as do not cut off the power supply, the full-automatic broadcasting of microcomputer programming, really realized unattended operation, reduce the personnel's of school broadcasting labour intensity, improved the efficient of broadcasting equipment.
Below in conjunction with accompanying drawing preferred forms of the present utility model is elaborated:
Fig. 1 is an electric theory diagram of the present utility model;
Fig. 2 is the circuit connection diagram of monolithic computer control section of the present utility model;
Fig. 3 is the circuit connection diagram of audio-frequency unit of the present utility model;
Fig. 4 is the circuit connection diagram of LED demonstration of the present utility model and keyboard portion.
Embodiment: a kind of full-automatic digital broadcaster (referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4), it comprises shell, electronic circuit, monolithic computer 1 is connected with clock 2, control panel 3, display floater 4, output control 5, ROM memory 6, Power Supply Monitoring 7, digital speech integrated circuit 8 in turn, monitors output 10, digital speech integrated circuit 8 by input control circuit 9 and monitor output 10 and link to each other in the electronic circuit, input control circuit 9, monitor output 10 and link to each other with preamplifier 11, preamplifier 11 links to each other with power amplifier 12.P2.0, P2.1, P2.2, P2.3, P2.4, the P2.5 of the P2 port of monolithic computer 1 (adopting 87F52) connects CS1, SO2, the IS5 of the integrated IC circuit 9 14 of SCLK7, i/o6, res5 and storage (adopting pin-saving chip X25165) of serial clock integrated circuit (IC) 8 13 (adopting clock chip DS1302) respectively, realizes the serial data storage.The P3.INT1 of the P3 port of monolithic computer 1, P3.INT2, two digital speech IC IC10 of the parallel respectively connection of P1.2, the INT of IC11 15 (adopting digital audio chip ISD4003), RAC, mosi, numeral voice integrated circuit 15 can walk abreast and connect nearly 8, numeral voice integrated circuit (IC) 10, the SS of IC11 15 connects the Y0 of decoder ic IC15 17 (adopting coding chip 74LS138) respectively, Y1, the RXD of monolithic computer 1, TXD, P1.4 connects the A of decoder ic IC15 17 respectively, B, C finishes numeral voice integrated circuit (IC) 10 by decoder ic IC15 17, the sheet of IC11 selects function.The P0.0 to P0.7 of the P0 port of monolithic computer 1 connects LED demonstration and keyboard integrated circuit (IC) 14 19 (adopting LED to show and keyboard chip 8279), finishing LED shows and keypad function, the RL0 to RL7 of LED demonstration and keyboard integrated circuit (IC) 14 19 forms 16 buttons of keyboard 20 respectively with output Y0-Y3 of decoder ic IC15 17, the SL0 of LED demonstration and keyboard integrated circuit (IC) 14 19, SL1, the parallel decoder ic IC15 17 that connects of SL2, the A of decoder ic IC16 22 (adopting coding chip 54LS157), B, C, LED shows the D that is connected decoder ic IC16 22 with the SL3 of keyboard integrated circuit (IC) 14 19, the Y0 to Y15 of decoder ic IC16 22 and drive integrated circult IC17 23 (adopt chip for driving 74LS240, MC1413) Y0 to Y15 connects, B0-the B3 of LED demonstration and keyboard integrated circuit (IC) 14 19, A0-A3 finishes the seven segment code demonstration by the abcdefg end that the integrated circuit (IC) 18 21 (adopting the chip 74LS244 of buffering) that cushions is connected to LED, is wherein finished the dynamic bit scan function of 8 LED by decoder ic IC16 22 and drive integrated circult IC17 23.P10, P15, P16, T1, the P27 of the P0 end of monolithic computer 1 connects output drive integrated circult IC12 16 (adopting output chip for driving LS7406), output drive integrated circult IC12 16 connects control and Audio Processing integrated circuit (IC) 13 18, finishes output control and audio frequency handoff functionality.
The input control circuit 9 of the utility model audio-frequency unit, 1 pin by integrated circuit (IC) 1 is imported the digital audio and video signals of being sent here by the digital speech integrated circuit, the audio signal of the auxiliary mouthful AUX1 of 5 pin input, the audio signal of the auxiliary mouthful AUX2 of 2 pin input, the audio signal of 4 pin input broadcast receiver mouth TUNE, 9 pin, 10 pin are selected different input audio signals by computer bus control, deliver to preamplifier 11 and monitor output 10 by the output of 3 pin, 16 pin of IC1 connect positive supply, 7 pin connect negative supply, 6 pin, 8 pin ground connection.Preamplifier 11 is connect 3 pin of integrated circuit (IC) 1 by capacitor C 2, after the other end connects resistance R 3, end of oppisite phase 2 pin that connect R4 and integrated circuit (IC) 3,3 pin ground connection, IC3 output 1 pin meet R6 and feedback resistance R4 constitutes inverting amplifier, and resistance R 1 connects end of oppisite phase 2 pin of R2, integrated circuit (IC) 2 respectively, 3 pin ground connection, output 1 pin of IC2 meets R5 and feedback resistance R2, capacitor C 1 connecting resistance R1, and the other end is the input of microphone.Volume control potentiometer W is the ratio audio signal sent here of connecting resistance R5, R6 respectively, after size adjustment, connect capacitor C 3 by central point, another termination biasing resistor R7, connect in-phase end 3 pin of integrated circuit (IC) 4, output 1 pin of IC4 connects in-phase input end 3 pin of feedback capacity C4 and IC5, end of oppisite phase 2 pin connecting resistance R8, R9, output 1 pin of IC5 meets feedback resistance R9, connects the base stage b pin of BG1, the BG2 of triode simultaneously.The collector electrode C pin of triode BG1, BG2 connects positive-negative power respectively, the emitter e pin of BG2, BG3 connects feedback resistance R10, input 1 pin that connects isolating transformer simultaneously, 2 pin ground connection, another termination capacitor C 4 of feedback resistance R10 and end of oppisite phase 2 pin of integrated circuit (IC) 4 have constituted high steady preamplifier.Power amplifier 12 is by the output 3 pin connecting resistance R11 of isolating transformer B and the grid G of field effect transistor BG3, the other end of the D terminating resistor R11 of field effect transistor BG3 and the anode of capacitor C 7 link to each other, connect high pressure positive supply VCC simultaneously, the D pin that connects capacitor C 5, R13, field effect transistor BG4 behind the source S pin connecting resistance R12 of field effect transistor BG3 respectively, and lead-out terminal 1 pin.The other end of C5 connects 4 pin of isolating transformer output.The grid G of field effect transistor BG4 connects output 5 pin of resistance R 13 and isolating transformer respectively, the source S pin of field effect transistor BG4 connects capacitor C 6, C8 respectively after connecting R14, connect high pressure negative supply VSS end simultaneously, output 6 pin of another termination isolating transformer B of capacitor C 6, the negative terminal of capacitor C7 connects the anode of capacitor C8, is connected to lead-out terminal 2 pin simultaneously.Monitor output 10 in-phase end 3 pin and meet capacitor C 9, R15 by integrated circuit (IC) 6, the 3 pin outputs of another termination of C9 IC1, output 1 pin of IC6 connects in-phase end 3 pin of IC7, output 1 pin of IC7 connects the base stage b pin of triode BG5, BG6, the emitter e pin meets feedback resistance R17 and connects loudspeaker simultaneously, end of oppisite phase 2 pin of IC7 are connected with resistance R 17, and C10 connects R16, and the other end is monitored input as recording REC.
Claims (9)
1, a kind of full-automatic digital broadcaster, comprise shell, electronic circuit, it is characterized in that monolithic computer in the electronic circuit (1) is connected with clock (2) in turn, control panel (3), display floater (4), output control (5), ROM memory (6), Power Supply Monitoring (7), digital speech integrated circuit (8), monitor output (10), digital speech integrated circuit (8) links to each other with monitoring output (10) by input control circuit (9), input control circuit (9), monitor output (10) and link to each other with preamplifier (11), preamplifier (11) links to each other with power amplifier (12).
2, a kind of full-automatic digital broadcaster according to claim 1 is characterized in that the P2 port of described monolithic computer (1) connects serial clock integrated circuit (IC) 8 (13) and the integrated IC circuit 9 (14) of storage respectively, realizes the serial data storage.
3, a kind of full-automatic digital broadcaster according to claim 1, the P3 port that it is characterized in that described monolithic computer (1) connects numeral voice integrated circuit (IC) 10 (15) respectively, can walk abreast connects nearly 8 of digital speech IC IC10 (15), and the sheet of being finished the numeral voice integrated circuit by decoder ic IC15 (17) selects function.
4, a kind of full-automatic digital broadcaster according to claim 1, the PO port that it is characterized in that described monolithic computer (1) connects LED demonstration and keyboard integrated circuit (IC) 14 (19), finishing LED shows and keypad function, the RL0 to RL7 of LED demonstration and keyboard integrated circuit (IC) 14 (19) forms 16 buttons of keyboard (20) respectively with output Y0-Y3 of decoder ic IC15 (17), B0-the B3 of LED demonstration and keyboard integrated circuit (IC) 14 (19), A0-A3 finishes the seven segment code demonstration by the abcdefg end that the integrated circuit (IC) 18 (21) that cushions is connected to LED, is wherein finished the dynamic bit scan function of 8 LED by decoder ic IC16 (22) and drive integrated circult IC17 (23).
5, a kind of full-automatic digital broadcaster according to claim 1, the P1 end that it is characterized in that described monolithic computer (1) connects the integrated circuit (IC) 12 (16) that output drives, output drive integrated circult IC12 (16) connects control and Audio Processing integrated circuit (IC) 13 (18), finishes output control and audio frequency handoff functionality.
6, a kind of full-automatic digital broadcaster according to claim 1, it is characterized in that described input control circuit (9), 1 pin by integrated circuit (IC) 1 is imported the digital audio and video signals of being sent here by the digital speech integrated circuit, the audio signal of the auxiliary mouthful AUX1 of 5 pin input, the audio signal of the auxiliary mouthful AUX2 of 2 pin input, the audio signal of 4 pin input broadcast receiver mouth TUNE, 9 pin, 10 pin are selected different input audio signals by computer bus control, deliver to preamplifier 11 and monitor output 10 by the output of 3 pin, 16 pin of IC1 connect positive supply, 7 pin connect negative supply, 6 pin, 8 pin ground connection.
7, a kind of full-automatic digital broadcaster according to claim 1, it is characterized in that described preamplifier (11) is connect 3 pin of integrated circuit (IC) 1 by capacitor C 2, after the other end connects resistance R 3, end of oppisite phase 2 pin that connect R4 and integrated circuit (IC) 3,3 pin ground connection, IC3 output 1 pin meets R6 and feedback resistance R4 constitutes inverting amplifier, resistance R 1 meets R2 respectively, end of oppisite phase 2 pin of integrated circuit (IC) 2,3 pin ground connection, output 1 pin of IC2 meets R5 and feedback resistance R2, capacitor C 1 connecting resistance R1, the other end is the input of microphone, volume control potentiometer W is connecting resistance R5 respectively, the ratio audio signal that R6 sends here, after size adjustment, connect capacitor C 3 by central point, another termination biasing resistor R7, connect in-phase end 3 pin of integrated circuit (IC) 4, output 1 pin of IC4 connects in-phase input end 3 pin of feedback capacity C4 and IC5, end of oppisite phase 2 pin connecting resistance R8, R9, output 1 pin of IC5 meets feedback resistance R9, meet the BG1 of triode simultaneously, the base stage b pin of BG2, triode BG1, the collector electrode C pin of BG2 connects positive-negative power respectively, BG2, the emitter e pin of BG3 connects feedback resistance R10, input 1 pin that connects isolating transformer simultaneously, 2 pin ground connection, another termination capacitor C 4 of feedback resistance R10 and end of oppisite phase 2 pin of integrated circuit (IC) 4 have constituted high steady preamplifier.
8, a kind of full-automatic digital broadcaster according to claim 1, it is characterized in that described power amplifier (12) is by the output 3 pin connecting resistance R11 of isolating transformer B and the grid G of field effect transistor BG3, the other end of the D terminating resistor R11 of field effect transistor BG3 and the anode of capacitor C 7 link to each other, connect high pressure positive supply VCC simultaneously, connect capacitor C 5 respectively behind the source S pin connecting resistance R12 of field effect transistor BG3, R13, the D pin of field effect transistor BG4, and lead-out terminal 1 pin, the other end of C5 connects 4 pin of isolating transformer output, the grid G of field effect transistor BG4 connects output 5 pin of resistance R 13 and isolating transformer respectively, the source S pin of field effect transistor BG4 connects capacitor C 6 respectively after connecting R14, C8, connect high pressure negative supply VSS end simultaneously, output 6 pin of another termination isolating transformer B of capacitor C 6, the negative terminal of capacitor C7 connects the anode of capacitor C8, is connected to lead-out terminal 2 pin simultaneously.
9, a kind of full-automatic digital broadcaster according to claim 1, it is characterized in that described monitoring output (10) meets capacitor C 9, R15 by in-phase end 3 pin of integrated circuit (IC) 6, the 3 pin outputs of another termination of C9 IC1, output 1 pin of IC6 connects in-phase end 3 pin of IC7, output 1 pin of IC7 connects the base stage b pin of triode BG5, BG6, the emitter e pin meets feedback resistance R17 and connects loudspeaker simultaneously, end of oppisite phase 2 pin of IC7 are connected with resistance R 17, C10 connects R16, and the other end is monitored input as recording REC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01216368U CN2465409Y (en) | 2001-02-14 | 2001-02-14 | Fully automatic digital broadcasting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01216368U CN2465409Y (en) | 2001-02-14 | 2001-02-14 | Fully automatic digital broadcasting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2465409Y true CN2465409Y (en) | 2001-12-12 |
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ID=33634788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01216368U Expired - Fee Related CN2465409Y (en) | 2001-02-14 | 2001-02-14 | Fully automatic digital broadcasting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2465409Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111164A (en) * | 2009-12-25 | 2011-06-29 | 旭扬半导体股份有限公司 | Digital broadcast receiving device and radio-frequency receiving and playing system for integrating display panel |
| CN103926488A (en) * | 2014-04-04 | 2014-07-16 | 苏州工业职业技术学院 | System for testing electric leakage protector |
-
2001
- 2001-02-14 CN CN01216368U patent/CN2465409Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111164A (en) * | 2009-12-25 | 2011-06-29 | 旭扬半导体股份有限公司 | Digital broadcast receiving device and radio-frequency receiving and playing system for integrating display panel |
| CN103926488A (en) * | 2014-04-04 | 2014-07-16 | 苏州工业职业技术学院 | System for testing electric leakage protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |