CN2554876Y - Train automatic broadcasting system with colour display - Google Patents
Train automatic broadcasting system with colour display Download PDFInfo
- Publication number
- CN2554876Y CN2554876Y CN 02238383 CN02238383U CN2554876Y CN 2554876 Y CN2554876 Y CN 2554876Y CN 02238383 CN02238383 CN 02238383 CN 02238383 U CN02238383 U CN 02238383U CN 2554876 Y CN2554876 Y CN 2554876Y
- Authority
- CN
- China
- Prior art keywords
- broadcasting system
- train
- color monitor
- player
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model discloses an automatic train broadcasting system with a color monitor, and consists of a train broadcaster circuit, a player and a monitor. The train broadcaster circuit, the player and the monitor are connected in sequence. The utility model provides a high-quality high-level automatic train broadcasting system with a color monitor. The system is controlled by adopting the technique of an LCD color OSD screen display and the operation of the functions is displayed for reference through a control menu in a digitalized way. The automatic train broadcasting system is arranged with a color monitor based on the prior train broadcaster, and the automatic train broadcasting system realizes a novel automatic train broadcasting system with a color monitor.
Description
Technical field
The utility model relates to a kind of train broadcasting system, particularly a kind of train automatic broadcasting system that has color monitor.
Background technology
Along with the continuous speed-raising of railroad train, on the train quality of broadcasting equipment and the requirement of class are also improved constantly eager especially demand high quality multimedia broadcasting equipment at present.
Summary of the invention
Problem to be solved in the utility model is, a kind of high-quality, high-caliber is provided, Display Technique on the colored OSD screen of LCD, the train automatic broadcasting system that has color monitor that Control-Menuization, digitlization, feature operation are carried out with reference to demonstration are adopted in system's control.
The technical scheme that the utility model adopted is: a kind of train automatic broadcasting system that has color monitor, include broadcasting for train machine circuit, player, also be provided with color monitor, specifically be connected to: broadcasting for train machine circuit, player, color monitor link to each other successively.
The utility model is the intelligent train broadcast transmitter of a new generation, and is simple in structure, is convenient to dismounting and maintenance, the whole aircraft reliability height.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model
Fig. 2 is the integrated circuit schematic diagram of embodiment of the present utility model.
Embodiment
As shown in Figure 1, have the train automatic broadcasting system of color monitor, include broadcasting for train machine circuit 3, player 2, color monitor 1 specifically is connected to: broadcasting for train machine circuit 3, player 2, color monitor 1 link to each other successively.The video interface of player 2 is to link to each other with microprocessor 4 in display 1 and the broadcasting for train machine circuit 3 respectively by character generator OSD.
As shown in Figure 2, be the integrated circuit schematic diagram of embodiment of the present utility model.Its microphone input includes emergent, external, built-in microphone input, and it arrives emergent broadcast circuit 6 by switch and Noise gate compressor, also by potentiometer R
15Be connected to operational amplifier F
4
The importation of pre-amplification circuit includes information source 1, information source 2, information source 3, and each information source is respectively by operational amplifier F
1, F
2, F
3, resistance R
4, R
5, R
6And potentiometer R
16, R
17, R
18To operational amplifier F
4, again by operational amplifier F
4To tone circuit, potentiometer R
15, R
16, R
17, R
18Also connect single-chip microcomputer 4.The information source 2 of present embodiment is VCD for player.The video interface of VCD links to each other with display 1 and single-chip microcomputer by character generator OSD, and single-chip microcomputer 4 also links to each other with color monitor 1 by character generator OSD.
Tone circuit is by resistance R
7, R
8, R
9, R
10, R
11, potentiometer R
19, R
20, capacitor C
1, C
2, C
3, C
4Form resistance R
7, R
8Receive operational amplifier F respectively
4Signal, R
7Respectively by potentiometer R
17, capacitor C
1, C
2To resistance R
10, R
8Respectively by potentiometer R
18, capacitor C
4To resistance R
11, two potentiometer R
17, R
18Pass through resistance R respectively
9, capacitor C
3To operational amplifier F
5Positive input terminal, potentiometer R
17, R
18Also link to each other with single-chip microcomputer 4.
Volume control circuit is by potentiometer R
20Form, the one end is by electrochemical capacitor C
5Be connected an end and the two group power amplifiers operational amplifier F in the output circuit that backups each other with tone circuit
6Positive input terminal connect potentiometer R
20Also connect single-chip microcomputer 4.
Power amplifier partly includes operational amplifier F
6, resistance R
12, R
13, R
14Transformer T
1, T
2Reach power amplifier module 5, temp compensation bias circuit overcurrent protection formation, operational amplifier F
6Normal phase input end is connected with volume control circuit 3, and inverting input passes through resistance R
12Connect power cathode, also pass through resistance R
13Link to each other, pass through resistance R with output
14With transformer T
2Output link to each other operational amplifier F
6Output and transformer T
1Input connect transformer T
1Output connect the positive and negative phase input of power amplifier module 5, power amplifier module 5 is connected with temp compensation bias circuit, the temp compensation bias circuit overcurrent protection links to each other with the 48V power supply, the output of power amplifier module 5 and transformer T
2Input be connected transformer T
2Output link to each other with loud speaker, loud speaker is also by operational amplifier F
7Connect the output level table.Power supply is powered to system.
It is the module of TBA2463 that emergent broadcast circuit 6 in the present embodiment adopts model; The model of power amplifier module 5 is TBA2462; Computing operational amplifier F
1～F
6Model be LM124.Character generator OSD model is UPD6453.The model of Noise gate compressor is SSM1266S.
Claims (2)
1. train automatic broadcasting system that has color monitor, include broadcasting for train machine circuit (3), player (2), it is characterized in that also being provided with color monitor (1), specifically be connected to: broadcasting for train machine circuit (3), player (2), color monitor (1) link to each other successively.
2. the train automatic broadcasting system that has color monitor according to claim 1, the video interface that it is characterized in that player (2) are to link to each other with microprocessor (4) in display (1) and the broadcasting for train machine circuit (3) respectively by character generator (OSD).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238383 CN2554876Y (en) | 2002-07-04 | 2002-07-04 | Train automatic broadcasting system with colour display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238383 CN2554876Y (en) | 2002-07-04 | 2002-07-04 | Train automatic broadcasting system with colour display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2554876Y true CN2554876Y (en) | 2003-06-04 |
Family
ID=33712096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02238383 Expired - Fee Related CN2554876Y (en) | 2002-07-04 | 2002-07-04 | Train automatic broadcasting system with colour display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2554876Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212261B (en) * | 2007-12-24 | 2011-09-14 | 赵苏铭 | Digital train broadcast transmitter and control method |
-
2002
- 2002-07-04 CN CN 02238383 patent/CN2554876Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212261B (en) * | 2007-12-24 | 2011-09-14 | 赵苏铭 | Digital train broadcast transmitter and control method |
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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 |