CN204719920U - DCS system tripping alarm device - Google Patents
DCS system tripping alarm device Download PDFInfo
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- CN204719920U CN204719920U CN201520452167.1U CN201520452167U CN204719920U CN 204719920 U CN204719920 U CN 204719920U CN 201520452167 U CN201520452167 U CN 201520452167U CN 204719920 U CN204719920 U CN 204719920U
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Abstract
The utility model relates to a kind of DCS system tripping alarm device, is intended to solve the tripping alarm wrong report easily occurred in DCS system operational process in prior art or the technical matters misrepresented deliberately.It comprises sequential control block and warning interlocking system integrated control module, and warning interlocking system integrated control module comprises decline module, timer, logical operation module, rest-set flip-flop and alarm; Decline module is connected with the signal input part of timer is corresponding with sequential control block respectively, and output terminal is corresponding with logical operation module respectively to be connected, and logical operation module is corresponding with rest-set flip-flop to be connected, and the output terminal of rest-set flip-flop is corresponding with alarm to be connected.The utility model structural visual is simple, is convenient to staff's operation and judgement, effectively can avoid the misrepresenting deliberately of tripping alarm, report by mistake.
Description
Technical field
The utility model belongs to the technical field that industrial and mining enterprises (as power plant, chemical plant etc.) DCS system controls, and is specifically related to a kind of DCS system tripping alarm device for industrial and mining enterprises such as power plant.
Background technology
DCS is widely used in the industrial process Distributed Control System (DCS)s such as power plant at present, it has the advantage of centralized management, decentralised control, it has visuality, and man-machine interface is very directly perceived, can carry out comprehensively monitoring the function with necessary operation adjustment to the various duty parameters of power plant.Scattered control system is adopted to carry out Centralized Monitoring to backup system in Turbo-generator Set and corresponding main building thereof etc., by computing machine manual operation very easily, or by the function of the automatic regulation and control of program, thus reach the operation of set steady, safety.
DCS system comprises Data collection and precessing system (DAS), analog control system (MCS), sequence control system (SCS) and electric control system (ECS) four part.Within the scope of unit permissible load, varitrol drops into, and can realize the sequential control of Turbo-generator Set subgroup level.In unit central station of floating dock, operations staff can realize unit by the DCS operator station of unit and open/the control of constantly running, and the normal supervision that runs and adjustment, Timeliness coverage unit operation exception and accident conditions, notice judges and process in time.
Successive control system (SCS) is ingredient important in DCS system configuration, is the software module of the operations such as each favourable turn, Electrically operated gate, generator and interlock alarm VS .NET Prerequisites.But in actual motion, great majority only pay attention to manual operation and interlocking etc., favourable turns etc. are thought tripping operation at shut down condition, are reported to the police, this is a kind of misunderstanding, in order to define and realize the function of tripping alarm more accurately, only making a connection the situation that runs to stopping and not to be people just can think tripping operation for going during operation, be conducive to running and maintenance personal to the judgement of actual conditions.
Summary of the invention
The utility model is intended to solve the tripping alarm wrong report easily occurred in DCS system operational process in prior art or the technical matters misrepresented deliberately.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Design a kind of DCS system tripping alarm device, comprise sequential control block and warning interlocking system integrated control module, the input end of described sequential control block comprises favourable turn run signal, favourable turn stop signal, electrical fault signal, manual operation startup and stop signal, and its output terminal comprises start command signal and stop instruction signal;
Described warning interlocking system integrated control module comprises decline module, timer, logical operation module, rest-set flip-flop and alarm; Described decline module is connected with the signal input part of timer is corresponding with described sequential control block respectively, and favourable turn run signal is input in decline module by described sequential control block, is input in timer by manual operation sequence signal; Described decline module is connected with the signal output part of timer is corresponding with described logical operation module respectively, described logical operation module is corresponding with described rest-set flip-flop to be connected, the output terminal of described rest-set flip-flop is corresponding with described alarm to be connected, for warning interlocking signal is transferred to alarm.
Preferably, described warning interlocking system integrated control module also comprises reset button, and described reset button is corresponding with described rest-set flip-flop to be connected.
Preferably, described sequential control block is HSSCS5 module.
The beneficial effects of the utility model are:
1. adopt the utility model can accurately judge the reason that DCS system trips, remind operation personnel timely, take necessary measure timely, avoid occurring accident, or the extension of accident.When tripping alarm, except the situation that artificial operation makes favourable turn stop transport, as long as other any situation favourable turn cascading trips all can be reported to the police, after appearance situation, reason is found out and after fixing a breakdown, is resetted by device, then could starting outfit again, add the security of equipment use.
After the alarm of 2.DCS system trip occurs, can from automatic trip report to the police interlocking and electric fault trip two aspects set about judge, operations staff's rapid site inspection equipment has without exception, thermal technology aspect can find intuitively interlocking condition, abnormal remove after, can the normal operation of restorer; The ann reset signal operation priority assignation of this device is slip-stick artist's rank, the judgement of impact to fault after avoiding staff's maloperation to be resetted by signal; This apparatus structure is intuitively simple, is convenient to staff's operation and judgement, effectively can avoid the misrepresenting deliberately of tripping alarm, report by mistake.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of sequential control block in the utility model;
Fig. 2 is the fundamental diagram of tripping alarm interlocking system integrated control module in the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described, but the following example is only used to describe embodiment of the present utility model in detail, and limits scope of the present utility model never in any form.
Embodiment 1: a kind of DCS system tripping alarm device, comprise sequential control block and warning interlocking system integrated control module, sequential control block is HSSCS5 module, its input end receives favourable turn run signal, favourable turn stop signal, electrical fault signal, manual operation startup and stop signal, and its output terminal sends start command signal and stop instruction signal.Warning interlocking system integrated control module comprises decline module, timer, logical operation module, rest-set flip-flop and alarm; Decline module is connected with the signal input part of timer is corresponding with sequential control block respectively, and favourable turn run signal is input in decline module by sequential control block, is input in timer by manual operation sequence signal; Decline module is connected with the signal output part of timer is corresponding with logical operation module respectively, and logical operation module is corresponding with rest-set flip-flop to be connected, and the output terminal of rest-set flip-flop is corresponding with alarm to be connected, for warning interlocking signal is transferred to alarm.This warning interlocking system integrated control module also comprises reset button, and reset button is corresponding with rest-set flip-flop to be connected.
Equipment component involved in the embodiment above if no special instructions, is conventional equipment element, and involved program is the routine application of simple program.
The specific works mode of the utility model DCS system tripping alarm device is:
In DCS system actual moving process, when occurring trip condition, make a connection from the moment running to stopping, favourable turn run signal disappears, and trigger decline module and export negative edge signal, decline module output signal 1, signal exports about about 1 second; When operation stopping of making a connection is because of manual operation, sequential control block sends manual operation sequence signal to timer, and timer time delay about 3 seconds output signal 1, if timer does not receive manual operation sequence signal, then outputs signal 0; Timer together sends into logical operation module by after output signal negate with decline module output signal, two signals carry out logic and operation, then by with after signal deliver in rest-set flip-flop, when the signal that rest-set flip-flop receives is 1, the output of rest-set flip-flop is always 1, to alarm output alarm interlocking signal, make alarm send warning, remind operations staff that favourable turn has abnormal conditions to occur.When after failture evacuation, press reset button, the signal of the reset terminal of rest-set flip-flop is 1, and alerting signal disappears, and reset signal is typically provided to slip-stick artist's rank, is convenient to searching and collecting evidence of fault.
Tripping alarm of the present utility model only just can occur when non-manual operation makes favourable turn stop, as the situations such as generating program intertripping, on the spot manual emergency button stopping all being reported to the police in the very first time, really play the effect of warning of reporting to the police, the situation generation reported by mistake, misrepresent deliberately of can avoiding tripping.
In conjunction with the accompanying drawings and embodiments embodiment of the present utility model is elaborated above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also carry out changing or changing under the prerequisite not departing from the utility model aim.
Claims (3)
1. a DCS system tripping alarm device, is characterized in that, comprises sequential control block and warning interlocking system integrated control module,
The input end of described sequential control block comprises favourable turn run signal, favourable turn stop signal, electrical fault signal, manual operation startup and stop signal, and its output terminal comprises start command signal and stop instruction signal;
Described warning interlocking system integrated control module comprises decline module, timer, logical operation module, rest-set flip-flop and alarm;
Described decline module is connected with the signal input part of timer is corresponding with described sequential control block respectively, and favourable turn run signal is input in decline module by described sequential control block, is input in timer by manual operation sequence signal; Described decline module is connected with the signal output part of timer is corresponding with described logical operation module respectively, described logical operation module is corresponding with described rest-set flip-flop to be connected, the output terminal of described rest-set flip-flop is corresponding with described alarm to be connected, for warning interlocking signal is transferred to alarm.
2. DCS system tripping alarm device according to claim 1, is characterized in that, described warning interlocking system integrated control module also comprises reset button, and described reset button is corresponding with described rest-set flip-flop to be connected.
3. DCS system tripping alarm device according to claim 1, is characterized in that, described sequential control block is HSSCS5 module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452167.1U CN204719920U (en) | 2015-06-29 | 2015-06-29 | DCS system tripping alarm device |
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| CN201520452167.1U CN204719920U (en) | 2015-06-29 | 2015-06-29 | DCS system tripping alarm device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540201A (en) * | 2015-12-11 | 2016-05-04 | 宜宾海丝特纤维有限责任公司 | Emergent stop operation method of pulp feeder |
| CN106919167A (en) * | 2017-04-21 | 2017-07-04 | 山东中实易通集团有限公司 | A kind of fault early warning system and method suitable for Fieldbus Control |
| CN109286196A (en) * | 2018-11-26 | 2019-01-29 | 贵州金元茶园发电有限责任公司 | Prevent fired power generating unit from the system and method for oscillation of power diffusion occur |
| CN111043375A (en) * | 2019-11-20 | 2020-04-21 | 重庆金维实业有限责任公司 | Auxiliary oxygen flow interlocking control system of acetylene reaction furnace in process of preparing acetylene from natural gas |
-
2015
- 2015-06-29 CN CN201520452167.1U patent/CN204719920U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540201A (en) * | 2015-12-11 | 2016-05-04 | 宜宾海丝特纤维有限责任公司 | Emergent stop operation method of pulp feeder |
| CN106919167A (en) * | 2017-04-21 | 2017-07-04 | 山东中实易通集团有限公司 | A kind of fault early warning system and method suitable for Fieldbus Control |
| CN106919167B (en) * | 2017-04-21 | 2023-06-02 | 山东中实易通集团有限公司 | Fault early warning system and method suitable for field bus control |
| CN109286196A (en) * | 2018-11-26 | 2019-01-29 | 贵州金元茶园发电有限责任公司 | Prevent fired power generating unit from the system and method for oscillation of power diffusion occur |
| CN111043375A (en) * | 2019-11-20 | 2020-04-21 | 重庆金维实业有限责任公司 | Auxiliary oxygen flow interlocking control system of acetylene reaction furnace in process of preparing acetylene from natural gas |
| CN111043375B (en) * | 2019-11-20 | 2021-08-03 | 重庆金维实业有限责任公司 | Auxiliary oxygen flow interlocking control system of acetylene reaction furnace in process of preparing acetylene from natural gas |
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