CN201142689Y - Preceding stage control device in railway conference system - Google Patents
Preceding stage control device in railway conference system Download PDFInfo
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- CN201142689Y CN201142689Y CNU2007200990863U CN200720099086U CN201142689Y CN 201142689 Y CN201142689 Y CN 201142689Y CN U2007200990863 U CNU2007200990863 U CN U2007200990863U CN 200720099086 U CN200720099086 U CN 200720099086U CN 201142689 Y CN201142689 Y CN 201142689Y
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Abstract
The utility model relates to a front-end control device in a railway meeting system, which consists of an inserting plate and a control circuit on the inserting plate. The control circuit consists of a microcontroller, an information source input control module, a meeting input and output switching module, a meeting monitoring input control module, a microphone output control module, a watchman input control module, a communication module and a display module. The input port, as well as the output port, of the microcontroller is connected with the information source input control module, the meeting input and output switching module, the meeting monitoring input control module, the microphone output control module, the watchman input control module and the display module. The output end of the information source input control module is connected with the input end of the meeting input and output switching module, and a communication port of the microcontroller is connected with a communication module. The control device can automatically switch and control various front-end signals in the railway meeting system, and has the advantages of stable performance, convenient use and maintenance, improved working efficiency, and reduced error probability.
Description
Technical field
The utility model belongs to communication control equipment, the prime control device in the indispensable railway conference system of especially a kind of digital conference system.
Background technology
Along with the continuous development of the network communications technology, use tele-conferencing system organically to link together and carry out corresponding transmission of audio signals and broadcast with being distributed in the sub-venue of diverse geographic location and main meeting-place.Nowadays, the railway conference system is widely used between each station of railway, various information source inputs have been comprised in the railway conference system, the input of person on duty's microphone, person on duty's headphone monitor, equipment such as meeting-place input and output, in the use of existing railway conference system, be mainly the manual switching mode, by operating personnel manually to the input of the said equipment, output etc. is monitored or is switched, adopt the subject matter of its existence of manual switching mode to be: 1. because the interface of the said equipment may be distributed on the multiple devices, when needs carry out switching controls to equipment, need divide by operating personnel and be clipped to the enterprising line operate of corresponding apparatus, make troubles to operating personnel, and go wrong, so mode complicated operation and as easy as rolling off a log makeing mistakes through regular meeting; 2. in a single day the equipment in the railway conference system go wrong, and causes the difficulty of trouble hunting, influences the normal operation of system.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and the prime control device in a kind of stable performance, use and easy to maintenance and the railway conference system that can switch the various prime signals in the railway conference system and control is provided.
The utility model solves its technical problem and takes following technical scheme to realize:
Prime control device in a kind of railway conference system, constitute by the control circuit on plate and the plate, it is characterized in that: the control circuit on the plate is by single-chip microcomputer, the information source input control module, meeting-place input and output handover module, output control module is monitored in the meeting-place, the microphone output control module, person on duty's input control module, communication module and display module constitute, the I/O port of single-chip microcomputer respectively with the information source input control module, meeting-place input and output handover module, output control module is monitored in the meeting-place, the microphone output control module, person on duty's input control module and display module are connected, the output of information source input control module is connected with the input of meeting-place switching controls module, the output of meeting-place switching controls module is connected with the input that output control module is monitored in the meeting-place, and the communication port of single-chip microcomputer is connected on the communication module.
And, described information source input control module comprises PC broadcast information source and two information source interfaces of tape deck information source, described meeting-place input and output handover module comprises the control interface in three meeting-place, described person on duty's input control module comprises that two persons on duty monitor interface, and affiliated microphone output control module comprises two person on duty's microphone interfaces.
And described single-chip microcomputer is the 89C51 module, and described communication module is 75176 modules, and described display module is the LM3914 driver module.
Advantage of the present utility model and good effect are:
1. the employing of the prime control device in this railway conference system single-chip microcomputer is the control core circuit, communication module on the control circuit is connected with main control computer in the railway conference system, communication module in the control circuit adopts the RS485 communication mode to receive the control command that main control computer is sent, by after the single-chip microcomputer analyzing and processing to the information source input control module, meeting-place input and output handover module, output control module is monitored in the meeting-place, the microphone output control module, person on duty's input control module sends control signal source signal is imported, the input and output of meeting field signal, output is monitored in the meeting-place, the output of person on duty's microphone, the person on duty imports etc. automaticallyes switch and controls, its stable performance, easy to use, and owing to adopt automatic control mode, improve operating efficiency, reduced error probability.
2. the prime control device in this railway conference system is provided with display module, and various operating states all can show by the indicator light on the panel, be convenient to the supervision of system mode and break down after maintenance.
3. the utility model can automatically switch to the various prime signals in the railway conference system and control, and has stable performance, uses characteristics easy to maintenance, has improved operating efficiency, has reduced error probability.
Description of drawings
Fig. 1 is a control circuit block diagram of the present utility model;
Fig. 2 is an information source input control module signal processing functional-block diagram;
Fig. 3 is a meeting-place input and output handover module signal processing functional-block diagram;
Fig. 4 is a microphone output control module signal processing functional-block diagram;
Fig. 5 is person on duty's input control module signal processing functional-block diagram;
Fig. 6 is that output control module signal processing functional-block diagram is monitored in the meeting-place.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described:
Prime control device in this railway conference system, plate and plate control circuit constitute, and this plate is inserted in the controller slot of railway conference system and finishes prime signal controlling handoff functionality.The front panel of plate is provided with working station indicator, is used to show the operating state of various device.Control circuit on the plate is monitored output control module, microphone output control module, person on duty's input control module, communication module and display module by single-chip microcomputer, information source input control module, meeting-place input and output handover module, meeting-place and is constituted, in the present embodiment, single-chip microcomputer has adopted the 89C51 module, communication module is 75176 modules, display module is the LM3914 driver module, and the light-emitting diode that drives on the front panel carries out the state demonstration.The annexation of the control circuit on the plate is: the I/O port of single-chip microcomputer respectively with the information source input control module, meeting-place input and output handover module, output control module is monitored in the meeting-place, the microphone output control module, person on duty's input control module and display module are connected, the output of information source input control module is connected with the input of meeting-place switching controls module, the output of meeting-place switching controls module is connected with the input that output control module is monitored in the meeting-place, the communication port of single-chip microcomputer is connected on the communication module, communication module is connected with main control computer in the railway conference system, realizes the controlled function of main control computer to this device.
In the prime control device, the signal processing of the information source input control module that single-chip microcomputer is controlled, meeting-place input and output handover module, meeting-place monitoring output control module, microphone output control module, person on duty's input control module such as Fig. 2-shown in Figure 6, wherein the information source input control module comprises PC broadcast information source and two information source interfaces of tape deck information source, and it carries out the switching controls of information source input and plays information source or tape deck source signal to meeting-place input and output handover module output PC under the control of Single-chip Controlling signal; Meeting-place input and output handover module comprises meeting-place 1 interface, meeting-place 2 interfaces and meeting-place 3 interfaces, it is under the Single-chip Controlling signal controlling, different PC source signals or tape deck source signal are carried out switching controls play between different meeting-place, or will field signal between each meeting-place, transmit or export to the meeting-place and monitor output control module and be used for the meeting-place monitoring; Person on duty's input control module comprises that person on duty 1 monitors interface and person on duty 2 monitors interfaces, and it under the control of Single-chip Controlling signal person on duty's interface is monitored interface with person on duty 1 or person on duty's 2 monitoring interfaces carry out switching controls; The microphone output control module comprises the input of person on duty's 1 microphone and person on duty's 2 microphones, and it carries out switching controls with person on duty's 1 microphone or person on duty's 2 microphones and microphone interface under the control of Single-chip Controlling signal; Output control module is monitored in the meeting-place will carry out the meeting-place monitoring to the different meeting field signal of meeting-place input and output handover module output under the control of Single-chip Controlling signal.
Operation principle of the present utility model is: send control command to this device on the main control computer of railway conference system, the communication module of control circuit adopts the RS485 communication mode to receive the control command that main control computer is sent, by after the single-chip microcomputer analyzing and processing to the information source input control module, meeting-place input and output handover module, output control module is monitored in the meeting-place, the microphone output control module, person on duty's input control module sends control signal source signal is imported, the input and output of meeting field signal, output is monitored in the meeting-place, the output of person on duty's microphone, the person on duty imports etc. automaticallyes switch and controls.
Embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to protection range of the present utility model equally.
Claims (3)
1. the prime control device in the railway conference system, constitute by the control circuit on plate and the plate, it is characterized in that: the control circuit on the plate is by single-chip microcomputer, the information source input control module, meeting-place input and output handover module, output control module is monitored in the meeting-place, the microphone output control module, person on duty's input control module, communication module and display module constitute, the I/O port of single-chip microcomputer respectively with the information source input control module, meeting-place input and output handover module, output control module is monitored in the meeting-place, the microphone output control module, person on duty's input control module and display module are connected, the output of information source input control module is connected with the input of meeting-place switching controls module, the output of meeting-place switching controls module is connected with the input that output control module is monitored in the meeting-place, and the communication port of single-chip microcomputer is connected on the communication module.
2. the prime control device in the railway conference system according to claim 1, it is characterized in that: described information source input control module comprises PC broadcast information source and two information source interfaces of tape deck information source, described meeting-place input and output handover module comprises the control interface in three meeting-place, described person on duty's input control module comprises that two persons on duty monitor interface, and affiliated microphone output control module comprises two person on duty's microphone interfaces.
3. the prime control device in the railway conference system according to claim 1 is characterized in that: described single-chip microcomputer is the 89C51 module, and described communication module is 75176 modules, and described display module is the LM3914 driver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200990863U CN201142689Y (en) | 2007-12-21 | 2007-12-21 | Preceding stage control device in railway conference system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200990863U CN201142689Y (en) | 2007-12-21 | 2007-12-21 | Preceding stage control device in railway conference system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201142689Y true CN201142689Y (en) | 2008-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200990863U Expired - Fee Related CN201142689Y (en) | 2007-12-21 | 2007-12-21 | Preceding stage control device in railway conference system |
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| Country | Link |
|---|---|
| CN (1) | CN201142689Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414875A (en) * | 2013-07-26 | 2013-11-27 | 国家电网公司 | Method for uniformly controlling conference scene showing of video conference system |
-
2007
- 2007-12-21 CN CNU2007200990863U patent/CN201142689Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414875A (en) * | 2013-07-26 | 2013-11-27 | 国家电网公司 | Method for uniformly controlling conference scene showing of video conference system |
| CN103414875B (en) * | 2013-07-26 | 2017-11-03 | 国家电网公司 | It is a kind of to be uniformly controlled the method that video conferencing system conference scenario shows |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20101221 |