CN203630783U - Multi-channel serial port negater with monitoring function - Google Patents
Multi-channel serial port negater with monitoring function Download PDFInfo
- Publication number
- CN203630783U CN203630783U CN201320862248.XU CN201320862248U CN203630783U CN 203630783 U CN203630783 U CN 203630783U CN 201320862248 U CN201320862248 U CN 201320862248U CN 203630783 U CN203630783 U CN 203630783U
- Authority
- CN
- China
- Prior art keywords
- channel
- signal
- negater
- signal extraction
- control signal
- 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 - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 title abstract description 4
- 238000000605 extraction Methods 0.000 claims abstract description 27
- 239000010409 thin film Substances 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model relates to a multi-channel serial port negater with a monitoring function. The multi-channel serial port negater comprises a shell, a plurality of channel work indicators, a main backup switching key, a plurality of control signal link channel input interfaces and a plurality of control signal link channel output interfaces. A bypass signal selecting key is connected with a channel selecting unit, the channel selecting unit is connected with a signal extraction control unit and a signal extraction unit, the signal extraction control unit is connected with the signal extraction unit, the signal extraction unit is connected with a bypass output interface, and the bypass output interface is arranged on a rear panel. According to the multi-channel serial port negater with the monitoring function, any broadcasting control signal link channels are chosen through the bypass signal selecting key, data for controlling a receiving direction and a sending direction are extracted to be detected, whether signals are normal or not is detected, and if the signals in any channel are abnormal, it is explained that breakdown happens. Through mode convenient and fast to achieve, the breakdown channel is found out so that the breakdown can be removed quickly.
Description
Technical field
The utility model relates to a kind of band and supervises the multichannel serial negater of function, it is a kind of electronic installation, being a kind of for the bridge-set between digital video image broadcast system, is the device of control signal passage alternate links between a kind of main system for redundant system and back-up system.
Background technology
Digital to television broadcast system, in order to guarantee to broadcast safety, is set up active and standby two cover video playing control systems conventionally.In order to realize the switching between active and standby system, need between main preparation system, increase a negater.In the time of normal broadcast, negater can be connected main system control signal link channel, so active and standby video server (also comprising the equipment such as online switch, broadcast video recorder that broadcasts) etc. all goes out to control workstation control by main broadcaster, the standby control workstation that broadcasts goes out to control workstation communication by core wire jumper and main broadcaster, when the standby controller that broadcasts finds that main broadcaster goes out controller and occurs when abnormal, will pass through GPI command triggers negater at once, switch in standby system control signal link channel.Standby like this control link connection of broadcasting controller and all devices, control that just can all controlled plants of seamless pipe, thus guarantee that program normally broadcasts.
For example, for the video equipment with log function: video broadcasts controller, video broadcasting server, and between these equipment, traditional negater can well be realized the handoff functionality of active and standby system control signal link channel.Because when thering is the video equipment of log function either party breaking down in broadcast process, can find rapidly a side who breaks down, discharge trouble spot.If but video broadcast controller connect be the log function video equipments that even there is no log function on the weak side such as video recorder, cut bank, matrix time, in the time breaking down, be difficult to accurate failure judgement point at which side, giving fixes a breakdown has increased difficulty.How fast failure judgement point, at which side, is the problem that needs solve.
Summary of the invention
In order to overcome the problem of prior art, the utility model proposes a kind of band and supervise the multichannel serial negater of function.Whether described negater is normal by the signal in each control signal link channel of detection, and failure judgement point, to help fast discharge fault.
The purpose of this utility model is achieved in that a kind of band supervises the multichannel serial negater of function, comprise: with the housing of front panel and rear panel, on described front panel, establish a multiple passage operation indicator and active and standby switch key, described rear panel is provided with multiple control signal link channel input interfaces and multiple control signal link channel output interface, described front panel is provided with by-passing signal options button, described by-passing signal options button is connected with channel selecting unit, described channel selecting unit and signal extraction control module, signal extraction unit connects, described signal extraction control module is connected with signal extraction unit, described signal extraction unit is connected with bypass output interface, described bypass output interface is arranged on described rear panel.
Further, described by-passing signal options button is with channel selecting indicator.
Further, described by-passing signal options button is and the same number of Thin-film key of control signal link channel.
Further, described channel selecting indicator is and the same number of light emitting diode of control signal link channel.
Further, described channel selecting unit comprises: eight that are connected with described by-passing signal options button drive transceiver, described eight drive transceiver to be connected with cpu controller, described cpu controller is connected with three or eight code translators, channel selecting indicator, and three or eight described code translators are connected with signal extraction control module, signal extraction unit by not gate.
Further, described bypass output interface is the serial line interface of supporting RS232 and two kinds of agreements of RS422.
The beneficial effect that the utility model produces is: negater described in the utility model, can realize in the time that the active and standby control signal link channel of multichannel serial ports switches, wherein any Chu Yi road, roadside road serial ports is used for supervising, and can supervise simultaneously serial ports receiving-transmitting sides to data, and can not affect the communication that is supervised serial ports.By by-passing signal selection key, select each to broadcast any road in control signal link channel, extract control receiving-transmitting sides to data detect, whether detection signal is normal, if either party occurs that signal is undesired, illustrate and break down, in this mode easily, search a side of breaking down, to discharge rapidly fault.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the profile schematic diagram of negater described in embodiment mono-of the present utility model;
Fig. 2 is negater rear panel schematic diagram described in embodiment mono-of the present utility model, be in Fig. 1 A to view;
Fig. 3 is the principle schematic of negater described in embodiment mono-of the present utility model;
Fig. 4 is channel selecting unit principle schematic described in embodiment five of the present utility model.
Embodiment
Embodiment mono-:
The present embodiment is the multichannel serial negater that a kind of band supervises function, as shown in Figure 1, 2, 3.The present embodiment comprises: with the housing 1 of front panel 2 and rear panel 3, on described front panel, establish a multiple passage operation indicator 201 and active and standby switch key 202, described rear panel is provided with input interface 303 and multiple control signal link channel output interface 302 of multiple control signal link channel, described front panel is provided with by-passing signal options button 203, described by-passing signal options button is connected with channel selecting unit, described channel selecting unit and signal extraction control module, signal extraction unit connects, described signal extraction control module is connected with signal extraction unit, described signal extraction unit is connected with bypass output interface, described bypass output interface 301 is arranged on described rear panel.
Described in the present embodiment, the profile of housing is the rectangle that ordinary electronic equipment is conventional.Described passage operation indicator is to show each control signal link channel working condition, conventionally can use the working condition of a control signal link channel of one or two diode displaying.As shown in Figure 1,8 control signal link channel of negater support in figure are switched and are linked, each control signal link channel is used two diode displaying, one of them light emitting diode represents main control signal link channel working condition, and another light emitting diode represents spare control signal link channel working condition.On front panel, the facilities such as man-auto button, power indicator can also be set.Input, the output socket of 8 control signal link channel are set on rear panel, and the socket such as power supply, a bypass output interface that is specifically designed to output supervisory signal is also set.
Described by-passing signal options button can be the key of various ways, can be Thin-film key, microswitch, move key, ship type key, can be also that button etc. is selected in rotation.By-passing signal options button can be with channel selecting indicator, to show selected control signal link channel.Channel selecting indicator can show selected control signal link channel by the light and shade of light emitting diode.In Fig. 1, show the Thin-film key of 8 by-passing signal options buttons, each key top arranges a light emitting diode.The light and shade of light emitting diode, has open-and-shutly indicated selected control signal link channel.
Channel selecting unit described in the present embodiment, it is a circuit, this circuit is selected a control signal link channel in multiple control signal link channel by by-passing signal options button, because each control signal link channel is made up of special interface, for example RS232 or RS422, can not just can switch with simple switch, and must have a set of complete circuit support.The circuit switching has multiple can selection.
The signal extracting from the control signal link channel of choosing, sets it as the control signal of signal extraction control module, exports to bypass output interface as useful signal simultaneously.
Because the transmission interface of majority signal treatment facility is serial line interface, RS232 or RS422 specifically, so the bypass output interface described in the present embodiment is the serial line interface of supporting these two kinds of agreements.
Described signal handling equipment is can be the powerful general digital treatment facility of PC or workstation, server and so on, and this type of equipment uses RS232 interface conventionally.Also can be all kinds of industry control serial ports receiving equipments with display screen, these equipment are RS422 interface normally.By signal handling equipment, monitoring personnel can monitor the signal and communication content that negater connects both sides.Even can PC or server in set up specially the software of a detection system signal, automatically monitor.
Embodiment bis-:
The present embodiment is the improvement of embodiment mono-, is the refinement of embodiment mono-about by-passing signal options button, and the by-passing signal options button described in the present embodiment is with channel selecting indicator.
Channel selecting indicator can be light emitting diode or other devices, the groove of such as knob etc.
Embodiment tri-:
The present embodiment is the improvement of embodiment bis-, is the refinement of embodiment bis-about by-passing signal options button, and the by-passing signal options button described in the present embodiment is and the same number of Thin-film key of control signal link channel.
The negater showing in Fig. 1 has 8 control signal link channel, and therefore the present embodiment sets up 8 Thin-film key respectively as the options button of 8 by-passing signals.
Embodiment tetra-:
The present embodiment is the improvement of embodiment tri-, is the refinement of embodiment tri-about channel selecting indicator.Channel selecting indicator described in the present embodiment is and the same number of light emitting diode of control signal link channel.
Because the negater showing in Fig. 1 has 8 control signal link channel, and used 8 by-passing signal options buttons, therefore, the present embodiment arranges 8 channel selecting indicators.
Embodiment five:
The present embodiment is the improvement of embodiment mono-, is the refinement of embodiment mono-about channel selecting unit, as shown in Figure 4.Channel selecting unit described in the present embodiment comprises: eight that are connected with described by-passing signal options button drive transceiver, described eight drive transceiver to be connected with cpu controller, described cpu controller is connected with three or eight code translators, channel selecting indicator, and three or eight described code translators are connected with signal extraction control module, signal extraction unit by not gate.
The present embodiment is by 8 buttons, by the receiving-transmitting sides of the RS422 of 8 passage main/slave links or RS232 signal to data select a control signal link channel out by relay, process accordingly, can bypass Chu Yi road RS422 or RS232 signal for supervising.The signal that " 8 film keys " selected, carries out isolation drive by " 8 drive transceiver ", can improve the anti-interference of system, has improved the driving force of signal simultaneously.In the time selecting a certain control signal link channel, cpu controller is lighted its pilot lamp, and its control signal link channel number conversion is become to the binary-coded decimal between " 0～7 ", offer " three or eight code translator ", the signal decoding by " three or eight code translator " is after not gate, in each channel selecting control signal, can obtain unique high level, the effective like this problem that may simultaneously select the above signal of two-way (containing) of having got rid of.The channel selecting control signal obtaining can be used for pilot relay and suit, and selects the signal of respective channel.
Embodiment six:
The present embodiment is the improvement of embodiment mono-, is the refinement of embodiment mono-about bypass output interface.Bypass output interface described in the present embodiment is the serial line interface of supporting RS232 and two kinds of agreements of RS422.
Finally it should be noted that, below only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred arrangement scheme, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model (such as agreement, the annexation of each key element etc. of bypass output interface), and not depart from the spirit and scope of technical solutions of the utility model.
Claims (6)
1. a band supervises the multichannel serial negater of function, comprise: with the housing of front panel and rear panel, on described front panel, establish a multiple passage operation indicator and active and standby switch key, described rear panel is provided with multiple control signal link channel input interfaces and multiple control signal link channel output interface, it is characterized in that, described front panel is provided with by-passing signal options button, described by-passing signal options button is connected with channel selecting unit, described channel selecting unit and signal extraction control module, signal extraction unit connects, described signal extraction control module is connected with signal extraction unit, described signal extraction unit is connected with bypass output interface, described bypass output interface is arranged on described rear panel.
2. negater according to claim 1, is characterized in that, described by-passing signal options button is with channel selecting indicator.
3. negater according to claim 2, is characterized in that, described by-passing signal options button is and the same number of Thin-film key of control signal link channel.
4. negater according to claim 3, is characterized in that, described channel selecting indicator is and the same number of light emitting diode of control signal link channel.
5. negater according to claim 4, it is characterized in that, described channel selecting unit comprises: eight that are connected with described by-passing signal options button drive transceiver, described eight drive transceiver to be connected with cpu controller, described cpu controller is connected with three or eight code translators, channel selecting indicator, and three or eight described code translators are connected with signal extraction control module, signal extraction unit by not gate.
6. negater according to claim 1, is characterized in that, described bypass output interface is the serial line interface of supporting RS232 and two kinds of agreements of RS422.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862248.XU CN203630783U (en) | 2013-12-25 | 2013-12-25 | Multi-channel serial port negater with monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862248.XU CN203630783U (en) | 2013-12-25 | 2013-12-25 | Multi-channel serial port negater with monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630783U true CN203630783U (en) | 2014-06-04 |
Family
ID=50817240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862248.XU Expired - Lifetime CN203630783U (en) | 2013-12-25 | 2013-12-25 | Multi-channel serial port negater with monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203630783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901938A (en) * | 2014-12-02 | 2015-09-09 | 重庆晴彩科技有限公司 | Method for switching control of physical link of network |
-
2013
- 2013-12-25 CN CN201320862248.XU patent/CN203630783U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901938A (en) * | 2014-12-02 | 2015-09-09 | 重庆晴彩科技有限公司 | Method for switching control of physical link of network |
| CN104901938B (en) * | 2014-12-02 | 2018-04-27 | 重庆晴彩科技有限公司 | A kind of network physical link switching control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102833468B (en) | Broadcasting PGM (Probabilistic Graphical Model) master-slave output one-click emergency system and method | |
| CN107269260B (en) | Mutual redundant oil-well rig double-driller integrated control terminal | |
| CN202353876U (en) | Integrated-type safe evacuation booting system | |
| CN203661106U (en) | A switch with a man-machine interface | |
| CN104753585A (en) | Intelligent optical fiber distribution device | |
| CN101621340B (en) | Detection device and detection method | |
| CN103440850B (en) | A kind of redundancy display system | |
| CN203630783U (en) | Multi-channel serial port negater with monitoring function | |
| CN202796003U (en) | Dual master control redundant system of light-emitting diode (LED) display screen | |
| CN109649446B (en) | Multiple redundant networked computer interlocking man-machine interaction system | |
| KR100823086B1 (en) | Remote street lights control & monitoring system based on zigbee | |
| CN106937078A (en) | Video monitoring server control system and method | |
| CN105094040B (en) | A kind of computer control system of fully-mechanized mining working monitoring center | |
| KR100308538B1 (en) | System for monitoring and controlling electric distribution panel board in remotely | |
| CN207780575U (en) | The remote control panel of ASI intelligence switching equipments | |
| CN2905115Y (en) | Fire-prewarning monitor with optical fiber for sensing temperature | |
| CN202110311U (en) | Optical switcher | |
| CN113629514A (en) | Inverse switch cabinet | |
| CN220961711U (en) | High-voltage equipment fault first-out judging device | |
| CN212137381U (en) | Electrical switch cabinet and monitoring equipment thereof | |
| CN105137816A (en) | Mutually-isolated multi-wire circuit modules | |
| CN204669553U (en) | A kind of supervising device for digital TV transmitter | |
| CN201142680Y (en) | Detecting control device of digital station field broadcast machine | |
| CN204305047U (en) | A kind of line switcher | |
| CN103941637A (en) | Machine control panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |