CN201029229Y - Computer failure monitoring and hot-backup controller - Google Patents
Computer failure monitoring and hot-backup controller Download PDFInfo
- Publication number
- CN201029229Y CN201029229Y CNU200620152200XU CN200620152200U CN201029229Y CN 201029229 Y CN201029229 Y CN 201029229Y CN U200620152200X U CNU200620152200X U CN U200620152200XU CN 200620152200 U CN200620152200 U CN 200620152200U CN 201029229 Y CN201029229 Y CN 201029229Y
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- voice signal
- control signal
- commutation circuit
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- control
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Abstract
The utility model relates to a warm backup controller for monitoring computer faults, belonging to the field of electronic apparatus. The utility model is technologically characterized in that a control circuit fixed in a shell consists of a single chip machine, a communication module, a voice signal switching circuit, a control signal switching circuit, a principal voice signal backup port and a principal control signal backup port, wherein, an input end of the communication module is connected with a communication port of the single chip machine, and a control port of the single chip machine is respectively connected with the input ends of the voice signal switching circuit and the control signal switching circuit. The voice signal switching circuit is connected with the principal voice signal backup port which is arranged on a back panel of the shell. The control signal switching circuit is connected with principal control signal backup port positioned on the back panel of the shell as well. Having the advantages of simple structure, convenient operation, short switch time and strong reliability, the utility model is capable of rapidly transferring to a spare computer without manual interference when the principal computer goes to wrong.
Description
Technical field
The utility model relates to electronic device field, and especially a kind of computer glitch monitors the Hot Spare controller.
Background technology
Along with city's constant development and expansion, resident's Increase of population, brought very big pressure for modern transportation, especially traditional passenger station, it is overstaffed especially to celebrate a festival, in order better to control the order in the passenger station and can to guide normal correct the getting on the bus of passenger, just need configuration station passenger traffic broadcasting system in the passenger station.The core control devices of the broadcast system in the passenger station mainly is made up of two computers at present, a master uses computer, a redundant computer, the master uses computer run under normal condition of work, but when leading with computer generation special status or fault, need switch to redundant computer rapidly, and the mode of switching now is artificial manual mode, though can reach the purpose of changing computer, but workflow is loaded down with trivial details, circuit is long switching time, the especially switching of broadcast singal line and communication control line, and make a mistake easily.For the modern station of realization passenger traffic broadcasting system, obviously manually change the mode of redundant computer and can not satisfy the demand.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides computer glitch short, good reliability of a kind of simple in structure, easy to operate, replacing time to monitor the Hot Spare controller.
The utility model solves its technical problem and realizes in the following manner:
This computer glitch monitors the Hot Spare controller, by the housing front panel, housing rear board and internal control circuit are formed, it is characterized in that: control circuit is by single-chip microcomputer, communication module, the voice signal commutation circuit, the control signal commutation circuit, the active and standby interface of active and standby interface of voice signal and control signal constitutes, the output of this communication module connects the port of single-chip microcomputer, the control mouth of this single-chip microcomputer is connected respectively to the input of voice signal commutation circuit and control signal commutation circuit, this voice signal commutation circuit is connected to the active and standby interface of voice signal on the housing rear board, and this control signal commutation circuit is linked the active and standby control signal switching interface that connects on the housing rear board.
And described single-chip microcomputer is the 89C2051 chip, and described communication module is the MAX232 chip.
And described voice signal commutation circuit is connected and composed successively by a light idol, a triode and a relay.
And described control signal commutation circuit is connected and composed successively by a light idol, a triode and a relay.
And described housing front panel is provided with active and standby switching key and active and standby machine status indicator lamp.
Beneficial effect of the present invention and advantage are:
1. whether the utility model can to discern master computer work automatically normal, and computer glitch monitors that the Hot Spare controller can make the master no longer need artificial intervention to change to redundant computer automatically rapidly with computer when breaking down, save staff's input and time greatly, improved operating efficiency, reduce labour intensity, and guaranteed the reliability of broadcast system.
2. the utility model is simple in structure, and is easy to operate, and the replacing time is short, and good reliability can make the master no longer need artificial intervention to change to redundant computer automatically rapidly when breaking down with computer.Be that the higher computer glitch of a kind of novelty monitors the Hot Spare controller
Description of drawings
Fig. 1 is the circuit diagram of the utility model control circuit;
Fig. 2 is a housing front panel schematic diagram of the present utility model;
Fig. 3 is a housing rear board schematic diagram of the present utility model.
Embodiment
The present invention is described in further detail by following examples, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
This computer glitch monitors the Hot Spare controller, form by housing front panel 1, housing rear board 6 and internal control circuit, wherein, the housing front panel is provided with and is used for main frame switching key 3 and standby host switching key 5 and Host Status indicator light 2 and the standby host status indicator lamp 4 that active and standby machine switches.The housing rear board is provided with an active and standby interface 7 of voice signal, active and standby control signal switching interface 8 and RS232 communication interface 9 of connecing.The control circuit that is packed in enclosure interior is by single-chip microcomputer, communication module, the voice signal commutation circuit, the control signal commutation circuit, the active and standby interface of active and standby interface of voice signal and control signal constitutes, RS232 interface on the housing is connected with communication module, the output of this communication module connects the port of single-chip microcomputer, the control mouth of this single-chip microcomputer is connected respectively to the input of voice signal commutation circuit and control signal commutation circuit, this voice signal commutation circuit is connected to the active and standby interface of voice signal on the housing rear board, and this control signal commutation circuit is linked the active and standby control signal switching interface that connects on the housing rear board.In the present embodiment, single-chip microcomputer in the control circuit is the 89C2051 chip, communication module is the MAX232 chip, the voice signal commutation circuit is connected and composed successively by a light idol, a triode and a relay, and the control signal commutation circuit is connected and composed successively by a light idol, a triode and a relay.
Operation principle of the present utility model:
Outer computer is connected to the communication module input by the RS232 interface, communication module receives the data that transmit from outer computer under the control of single-chip microcomputer, simultaneously these data are sent into single-chip microcomputer, program through single-chip microcomputer inside is resolved the data that receive, if receiving the data of coming is switching command, single-chip microcomputer is controlled voice signal commutation circuit and control signal commutation circuit: control switching circuit is with the conducting of light coupling device spare, the base stage of triode has electric current to flow through, with the relay adhesive, thereby voice signal and control signal are forwarded on the standby host, finish the switching of active and standby machine thus.
Claims (5)
1. a computer glitch monitors the Hot Spare controller, by the housing front panel, housing rear board and internal control circuit are formed, it is characterized in that: control circuit is by single-chip microcomputer, communication module, the voice signal commutation circuit, the control signal commutation circuit, the active and standby interface of active and standby interface of voice signal and control signal constitutes, the output of this communication module connects the port of single-chip microcomputer, the control mouth of this single-chip microcomputer is connected respectively to the input of voice signal commutation circuit and control signal commutation circuit, this voice signal commutation circuit is connected to the active and standby interface of voice signal on the housing rear board, and this control signal commutation circuit is linked the active and standby control signal switching interface that connects on the housing rear board.
2. computer glitch according to claim 1 monitors the Hot Spare controller, and it is characterized in that: the single-chip microcomputer of stating is the 89C2051 chip, and described communication module is the MAX232 chip.
3. computer glitch according to claim 1 monitors the Hot Spare controller, it is characterized in that: described voice signal commutation circuit is connected and composed successively by a light idol, a triode and a relay.
4. computer glitch according to claim 1 monitors the Hot Spare controller, it is characterized in that: described control signal commutation circuit is connected and composed successively by a light idol, a triode and a relay.
5. computer glitch according to claim 1 monitors the Hot Spare controller, and it is characterized in that: described housing front panel is provided with active and standby switching key and active and standby machine status indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620152200XU CN201029229Y (en) | 2006-12-30 | 2006-12-30 | Computer failure monitoring and hot-backup controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620152200XU CN201029229Y (en) | 2006-12-30 | 2006-12-30 | Computer failure monitoring and hot-backup controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201029229Y true CN201029229Y (en) | 2008-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620152200XU Expired - Fee Related CN201029229Y (en) | 2006-12-30 | 2006-12-30 | Computer failure monitoring and hot-backup controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201029229Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719362A (en) * | 2016-01-05 | 2016-06-29 | 常州加美科技有限公司 | Standby computer, vehicular black box and door lock of unmanned vehicle |
-
2006
- 2006-12-30 CN CNU200620152200XU patent/CN201029229Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719362A (en) * | 2016-01-05 | 2016-06-29 | 常州加美科技有限公司 | Standby computer, vehicular black box and door lock of unmanned vehicle |
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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 |