CN110658803A - On-line fault alarm device of thermal control equipment - Google Patents
On-line fault alarm device of thermal control equipment Download PDFInfo
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- CN110658803A CN110658803A CN201910847952.XA CN201910847952A CN110658803A CN 110658803 A CN110658803 A CN 110658803A CN 201910847952 A CN201910847952 A CN 201910847952A CN 110658803 A CN110658803 A CN 110658803A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- Automation & Control Theory (AREA)
- Alarm Systems (AREA)
Abstract
The invention provides an online fault alarm device of thermal control equipment, which comprises an interface module, a signal processing module and a 4G module, wherein the thermal control equipment comprises a control assembly, the interface module is connected with the control assembly of the thermal control equipment, the signal processing module is connected with the interface module, the 4G module is connected with the signal processing module, the control assembly sends fault information of control assembly faults and power supply faults of the thermal control equipment to the signal processing module through the interface module, the signal processing module receives the fault information of the control assembly of the thermal control equipment through the interface module, and the signal processing module generates alarm information according to the fault information and sends the alarm information to maintenance personnel through the 4G module. The advantages of such a device are: maintenance personnel can be informed of equipment faults and hidden dangers at the first time; the cost is low; the safety is good, and the interface module is directly connected with the control system of the thermal control equipment, so that the risk of network intrusion does not exist.
Description
Technical Field
The invention relates to the technical field of control systems of thermal control equipment, in particular to an online fault alarm device of thermal control equipment.
Background
The thermal control equipment is a brain controlled by the thermal power generating unit, the safety and the stability of the operation of the thermal power generating unit are related, and the shutdown accidents of the power generating unit caused by the faults of the thermal control equipment are frequent, so that great economic loss and social electricity utilization potential safety hazards are caused. A Distributed Control System (DCS) of a thermal power plant is a common thermal control device of a thermal power generating unit, and the reliability of the thermal control device taking the DCS as a core is important.
The existing thermal control equipment fault alarm is only displayed by a CRT (cathode ray tube) picture of the DCS, and operators need to pay attention to massive operation parameters and often cannot pay attention to the important fault alarms, so that the fault alarms are missed or the optimal fault processing time is missed. Part of thermal control equipment fault alarms are communicated with a monitoring information system (SIS) through network isolation equipment, but alarm display also depends on a client interface of the SIS, a user can view the alarms only when the user needs to open the client, and the user can use the client only when the user can use a local area network where the SIS is located. The alarm information can not be checked in a wide area network, the use limitation is large, and when important alarm occurs, a user is difficult to find the alarm in time, so that the optimal fault diagnosis and treatment opportunity is missed, and the accident is enlarged.
In view of the foregoing, it is desirable to provide an online fault alarm device for thermal control equipment, which can overcome the drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide an online fault alarm device of thermal control equipment, which can overcome the defects of the prior art. The purpose of the invention is realized by the following technical scheme.
One embodiment of the invention provides an online fault alarm device of thermal control equipment, which comprises an interface module, a signal processing module and a 4G module, wherein the thermal control equipment comprises a control assembly, the interface module is connected with the control assembly of the thermal control equipment, the signal processing module is connected with the interface module, the 4G module is connected with the signal processing module, the control assembly sends fault information of control assembly faults and power supply faults of the thermal control equipment to the signal processing module through the interface module, the signal processing module receives the fault information from the control assembly of the thermal control equipment through the interface module, and the signal processing module generates alarm information according to the fault information and sends the alarm information to maintenance personnel through the 4G module.
According to the online fault alarm device of the thermal control equipment provided by the embodiment of the invention, the signal processing module judges the fault type according to the fault signal, and the signal processing module sends short messages or telephone voice alarm information to different maintenance personnel through the 4G module according to the fault type.
According to the online fault alarm device of the thermal control equipment provided by the embodiment of the invention, the interface module is directly connected with the control component of the thermal control equipment in a physical mode.
According to the online fault alarm device of the thermal control equipment provided by the above one embodiment of the present invention, the thermal control equipment further includes a detection component and a power supply, the control component is connected with the detection component, the power supply is respectively connected with the detection component and the control component, and the detection component detects a fault of the control component and a fault of the power supply and transmits fault information to the online fault alarm device through the control component.
According to the online fault alarm device of the thermal control equipment provided by the embodiment of the invention, the control component is a Distributed Control System (DCS).
According to the online fault alarm device of the thermal control equipment provided by the embodiment of the invention, the detection assembly comprises a control assembly detection unit and a power supply detection unit, the control assembly detection unit detects the fault of the control assembly, and the power supply detection unit detects the power supply fault.
The on-line fault alarm device of the thermal control equipment has the advantages that: the real-time alarming is strong, so that thermal control maintenance personnel can find and process faults at the first time conveniently, find problems and process the problems quickly, and the fault loss is reduced to the minimum degree; the safety is good, the interface module is directly connected with the control system of the thermal control equipment, and the risk of network intrusion does not exist; the cost is low.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only for illustrating the technical solutions of the present invention and are not intended to limit the scope of the present invention. In the figure:
fig. 1 shows a block diagram of an online malfunction alerting device of a thermal control apparatus according to an embodiment of the present invention;
fig. 2 shows a block diagram of a thermal control device according to an embodiment of the invention as shown in fig. 1.
Detailed Description
Fig. 1-2 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. Some conventional aspects have been simplified or omitted for the purpose of teaching the present invention. Those skilled in the art will appreciate that variations or substitutions from these embodiments will fall within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Thus, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Fig. 1 shows a block diagram of an online fault alarm device of a thermal control device according to an embodiment of the present invention, where the online fault alarm device includes an interface module 1, a signal processing module 2, and a 4G module 3, the thermal control device 4 includes a control component 41, the interface module 1 is connected to the control component 41 of the thermal control device 4, the signal processing module 2 is connected to the interface module 1, the 4G module 3 is connected to the signal processing module 2, the control component 41 sends fault information of a control component fault and a power supply fault of the thermal control device 4 to the signal processing module 2 through the interface module 1, the signal processing module 2 receives the fault information from the control component 41 of the thermal control device 4 through the interface module 1, and the signal processing module 2 generates alarm information according to the fault information and sends the alarm information to a maintenance worker through the 4G module 3.
According to the online fault alarm device of the thermal control equipment provided by the above embodiment of the present invention, the signal processing module 2 determines the fault type according to the fault signal, and the signal processing module 2 sends short messages or phone voice alarm information to different maintenance personnel through the 4G module 3 according to the fault type. The 4G module 3 stores telephone numbers of a plurality of maintenance persons in advance.
According to the on-line fault alarm device of the thermal control device provided by the above-mentioned embodiment of the present invention, the interface module 1 is directly connected with the control component 41 of the thermal control device 4 through a physical manner. The online fault alarm device is connected with the control component 41 through the interface module 1 instead of network connection, network safety isolation equipment is not needed, and the risk of invading thermal control equipment through a network is avoided.
Fig. 2 shows a block diagram of a thermal control device according to an embodiment of the invention as shown in fig. 1. The thermal control device 4 further comprises a detection component 42 and a power supply 43, the control component 41 is connected with the detection component 42, the power supply 44 is respectively connected with the detection component 42 and the control component 41, and the detection component 42 detects control component faults and power supply faults and transmits fault information to an online fault alarm device through the control component 41.
According to the online fault alarm device of the thermal control equipment provided by one embodiment of the invention, the control component 41 is a Distributed Control System (DCS) which comprises a plurality of Distributed Processing Units (DPUs) and a plurality of cards.
According to the online fault alarm device of the thermal control device provided by one embodiment of the present invention, the detection component 42 includes a control component detection unit 421 and a power detection unit 422, the control component detection unit 421 detects a control component fault, and the power detection unit 422 detects a power fault.
According to the online fault alarm device of the thermal control equipment provided by one embodiment of the invention, the control component fault comprises both a Distributed Processing Unit (DPU) fault and an auxiliary card fault: for example, because the DCS system DPU and its accessory control cards should operate at an ambient temperature of 15 to 35 ℃, and the ambient temperature change rate does not exceed 5 ℃/h, the load factor of the DPU during normal operation should be less than 40%, and the load factor should not exceed 60% under severe conditions, considering the self-heating characteristics of the DPU and the characteristics of stable load factor during normal operation of the DPU, the related alarm setting values are set as follows:
| alarm name | Alarm numberValue of |
| DPU core temperature over-temperature | 40℃ |
| Abnormal increase in core temperature of DPU | 5℃/h |
| High DPU load factor | 40％ |
| Abnormal increase in DPU load rate | 5%/5 min (600 scanning period) |
When the DPU load rate and the temperature exceed the above fixed values, the decentralized processing unit is considered to be in failure. The auxiliary card of the DCS control system is provided with an operation state point, the I/O hardware of the DCS control system generates a short-time or continuous high-level alarm corresponding to the operation state point before the fault occurs, and the point is used as a fault mark for judging the auxiliary card of the DCS control system to judge the fault of the auxiliary card.
According to the online fault alarm device of the thermal control equipment provided by the embodiment of the invention, the thermal control equipment generally adopts a two-way power supply redundancy design, and the two power supplies are mutually standby. Each power real-time condition is monitored through the relay, is the relay coil power supply by each power, and interface circuit connects to each relay normally open contact, and when the power was normally used, it was in the low level to correspond the interface, and when the power lost electricity, the relay normally open contact disconnection, interface circuit corresponded the passageway and reached high level, judged power failure.
According to the on-line fault alarm device of the thermal control equipment provided by the embodiment of the invention, the on-line fault alarm device can also be used for alarming other types of faults, such as a fault of a gravity point such as low pressure of lubricating oil of a steam turbine and the like, and a fault of an environmental protection parameter and the like.
The on-line fault alarm device of the thermal control equipment has the advantages that: the real-time alarming is strong, so that thermal control maintenance personnel can find and process faults at the first time conveniently, find problems and process the problems quickly, and the fault loss is reduced to the minimum degree; the safety is good, the interface module is directly connected with the control system of the thermal control equipment, and the risk of network intrusion does not exist; the cost is low.
It will of course be realised that whilst the foregoing has been given by way of illustrative example of this invention, all such and other modifications and variations thereto as would be apparent to persons skilled in the art are deemed to fall within the broad scope and ambit of this invention as is herein set forth. Therefore, while this invention has been described with reference to preferred embodiments, it is not intended that the novel apparatus be limited thereby, but on the contrary, it is intended to cover various modifications and equivalent arrangements included within the broad scope of the above disclosure and the appended claims.
Claims (6)
1. The utility model provides an online fault alarm device of thermal control equipment, its characterized in that, online fault alarm device includes interface module, signal processing module and 4G module, and thermal control equipment includes the control assembly, interface module is connected with thermal control equipment's control assembly, and signal processing module is connected with interface module, and 4G module is connected with signal processing module, and control assembly passes through interface module to signal processing module send thermal control equipment's the control assembly trouble and power failure's fault information, and signal processing module receives the fault information who comes from thermal control equipment's control assembly through interface module, and signal processing module generates alarm information and sends alarm information to maintainer through the 4G module according to fault information.
2. The on-line fault alarm device of the thermal control equipment as claimed in claim 1, wherein the signal processing module judges the fault type according to the fault signal, and the signal processing module sends short message or telephone voice alarm information to different maintenance personnel through the 4G module according to the fault type.
3. The on-line malfunction alerting device of thermal control apparatus of claim 1, wherein the interface module is directly connected to the control module of the thermal control apparatus by a physical means.
4. The on-line malfunction alerting device of thermal control apparatus of claim 1, wherein the thermal control apparatus further comprises a detection component and a power supply, the control component is connected to the detection component, the power supply is connected to the detection component and the control component, respectively, the detection component detects a malfunction of the control component and a malfunction of the power supply and transmits the malfunction information to the on-line malfunction alerting device through the control component.
5. The on-line malfunction alerting device of thermal control apparatus of claim 4, wherein the control component is a Distributed Control System (DCS).
6. The on-line malfunction alerting device of thermal control apparatus of claim 5, wherein the detection module comprises a control module detection unit and a power supply detection unit, the control module detection unit detects a malfunction of the control module, and the power supply detection unit detects a power supply malfunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910847952.XA CN110658803A (en) | 2019-09-09 | 2019-09-09 | On-line fault alarm device of thermal control equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910847952.XA CN110658803A (en) | 2019-09-09 | 2019-09-09 | On-line fault alarm device of thermal control equipment |
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| CN110658803A true CN110658803A (en) | 2020-01-07 |
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| CN201910847952.XA Pending CN110658803A (en) | 2019-09-09 | 2019-09-09 | On-line fault alarm device of thermal control equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436070A (en) * | 2007-11-12 | 2009-05-20 | 宝山钢铁股份有限公司 | Equipment diagnosis alarming device of decentralized control system |
| CN205942380U (en) * | 2016-06-27 | 2017-02-08 | 上海亚满实业有限公司 | Computer lab environmental monitoring device |
| CN106527370A (en) * | 2016-11-23 | 2017-03-22 | 合肥星服信息科技有限责任公司 | Equipment fault alarm device used for factory workshop |
| CN207281574U (en) * | 2017-05-16 | 2018-04-27 | 湛江中粤能源有限公司 | A kind of fired power generating unit optimal control station |
| CN108923840A (en) * | 2018-06-26 | 2018-11-30 | 上海卫星工程研究所 | The in-orbit monitoring information alarm information pushing system of satellite |
| CN109917761A (en) * | 2019-03-13 | 2019-06-21 | 浙江浙能长兴天然气热电有限公司 | A kind of method and system improving DCS of Power Plant security protection |
-
2019
- 2019-09-09 CN CN201910847952.XA patent/CN110658803A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436070A (en) * | 2007-11-12 | 2009-05-20 | 宝山钢铁股份有限公司 | Equipment diagnosis alarming device of decentralized control system |
| CN205942380U (en) * | 2016-06-27 | 2017-02-08 | 上海亚满实业有限公司 | Computer lab environmental monitoring device |
| CN106527370A (en) * | 2016-11-23 | 2017-03-22 | 合肥星服信息科技有限责任公司 | Equipment fault alarm device used for factory workshop |
| CN207281574U (en) * | 2017-05-16 | 2018-04-27 | 湛江中粤能源有限公司 | A kind of fired power generating unit optimal control station |
| CN108923840A (en) * | 2018-06-26 | 2018-11-30 | 上海卫星工程研究所 | The in-orbit monitoring information alarm information pushing system of satellite |
| CN109917761A (en) * | 2019-03-13 | 2019-06-21 | 浙江浙能长兴天然气热电有限公司 | A kind of method and system improving DCS of Power Plant security protection |
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Application publication date: 20200107 |