CN114237173A - Inspection system and method based on DCS data acquisition - Google Patents
Inspection system and method based on DCS data acquisition Download PDFInfo
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- CN114237173A CN114237173A CN202111452812.6A CN202111452812A CN114237173A CN 114237173 A CN114237173 A CN 114237173A CN 202111452812 A CN202111452812 A CN 202111452812A CN 114237173 A CN114237173 A CN 114237173A
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- 238000007689 inspection Methods 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012790 confirmation Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 12
- 230000007547 defect Effects 0.000 claims description 5
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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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
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33273—DCS distributed, decentralised controlsystem, multiprocessor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to a routing inspection system and a method based on DCS data acquisition, wherein the system comprises: the first inspection module is used for acquiring the actual value of a preset inspection item; the actual value of the preset inspection item is a collected value of a DCS (distributed control system) bit number which is bound with the inspection item in advance and corresponds to the inspection item; and the early warning module is used for sending out early warning information based on the preset actual value of the inspection item and the preset alarm threshold value corresponding to the inspection item after receiving a user confirmation instruction. Compared with the prior art, the inspection system based on DCS data acquisition can quickly confirm the problems and process the problems in time to ensure the normal operation of the device.
Description
Technical Field
The invention relates to the technical field of distributed control systems, in particular to a routing inspection system and a routing inspection method based on DCS data acquisition.
Background
The daily production activities of enterprises are mainly undertaken by internal operation personnel and external operation personnel, the internal operation personnel mainly remotely operate the instrument through a Distributed Control System (DCS), and monitor and adjust the device to ensure the normal operation of the production activities. The external operation is mainly responsible for daily routing inspection, sampling and checking and operating the device on site according to the indication of the internal operation, so that stable production and safety of the chemical device are ensured.
At present enterprise's patrolling and examining personnel are patrolling and examining the in-process, just observe the running state of device to the running leakage phenomenon of running and dropping of device, gather the state display (pressure, temperature, liquid level) of relevant instrument, do not contrast DCS collection value and the actual measurement value of instrument, the discovery that the problem of instrument or DCS can not be as early as possible, interior operation and outer operation personnel's interactivity is poor leads to the field problem not to handle fast, influence daily production, cause more serious consequence even.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the invention provides a system and a method for routing inspection based on DCS data acquisition, which solve the technical problems that the problems of instruments or DCS cannot be found as early as possible, and the field problems cannot be processed quickly due to the poor interaction between internal operation personnel and external operation personnel.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
the embodiment of the invention provides a routing inspection system based on DCS data acquisition, which comprises:
the first inspection module is used for acquiring the actual value of a preset inspection item;
the actual value of the preset inspection item is a collected value of a DCS (distributed control system) bit number which is bound with the inspection item in advance and corresponds to the inspection item;
and the early warning module is used for sending out early warning information based on the preset actual value of the inspection item and the preset alarm threshold value corresponding to the inspection item after receiving a user confirmation instruction.
Preferably, after the early warning module receives the user confirmation instruction, based on the preset actual value of the inspection item and the preset alarm threshold corresponding to the inspection item, the early warning module sends out early warning information, and specifically includes:
and the early warning module is used for judging whether the actual value of the preset inspection item exceeds a preset alarm threshold value corresponding to the inspection item or not after receiving a user confirmation instruction, and sending out early warning information if the actual value exceeds the alarm threshold value.
Preferably, the inspection system further includes:
and the second inspection module is used for receiving the measured value of the instrument corresponding to the detection item, which is input by the user aiming at each preset inspection item, at the observation time of the user.
Preferably, the inspection system further includes:
and the storage module is used for storing the actual values of the preset inspection items collected by the first inspection module and the measured values of the meters corresponding to the detection items, which are input by the user aiming at each preset inspection item, at the observation time of the user.
Preferably, the first and second liquid crystal materials are,
the early warning module is also used for acquiring the actual value of the first preset time period of each inspection item in the storage module and sending warning information according to the actual value of the first preset time period of each inspection item in the storage module and the measured value of the instrument corresponding to the detection item, which is input by the user aiming at each preset inspection item, at the observation time of the user;
the first preset time period of each inspection item comprises a second preset time period before the user observation time corresponding to the measurement value of the inspection item and a third preset time period after the user observation time corresponding to the measurement value of the inspection item.
Preferably, the early warning module sends out alarm information according to an actual value of a first preset time period of each polling item in the storage module and a measurement value of an instrument corresponding to the detection item, which is input by a user for each preset polling item and corresponds to the detection item, at the observation time of the user, and specifically includes:
the early warning module acquires the median of the actual value of the first preset time period of each inspection item according to the actual value of the first preset time period of each inspection item in the storage module;
acquiring an absolute value of a difference value between a measured value of the meter corresponding to the detection item input by each preset inspection item at the user observation time and a median corresponding to the inspection item based on the measured value of the meter corresponding to the detection item input by each preset inspection item at the user observation time and the median corresponding to the inspection item;
and judging whether the absolute value of the difference is within a preset error range corresponding to the inspection item, and if the absolute value of the difference is not within the preset error range corresponding to the inspection item, sending alarm information.
Preferably, the inspection system further comprises a first generation module;
the first generation module is used for acquiring fault information of the DCS or the measuring instrument submitted by a user and generating a defect list according to the fault information.
Preferably, the inspection system further comprises a second generation module;
and the second generation module is used for generating a hidden danger list if the measured value is greater than or equal to the alarm threshold value, and informing the hidden danger list to a corresponding responsible person through an email or a short message.
Preferably, the inspection system further includes: a route module;
and the route module is used for generating an inspection route according to the DCS position number.
On the other hand, the embodiment also provides an inspection method based on DCS data acquisition, which is executed by any one of the inspection systems based on DCS data acquisition.
(III) advantageous effects
The invention has the beneficial effects that: the invention relates to a system and a method for patrolling based on DCS data acquisition, wherein the system adopts a first patrolling module to acquire the actual value of a preset patrolling item; the actual value of the preset inspection item is a collected value of a DCS (distributed control system) bit number which is bound with the inspection item in advance and corresponds to the inspection item; and after the early warning module receives a user confirmation instruction, sending out early warning information based on the preset actual value of the inspection item and the preset alarm threshold value corresponding to the inspection item. Compared with the prior art, the problem can be quickly confirmed, and the problem can be timely treated, so that the normal operation of the device is ensured.
Drawings
FIG. 1 is a schematic diagram of a routing inspection system based on DCS data acquisition according to the present invention;
fig. 2 is a schematic diagram of an inspection system based on DCS data acquisition in the first embodiment of the present invention;
FIG. 3 is a schematic flow chart of the inspection system based on DCS data acquisition in use;
fig. 4 is another schematic flow chart of the inspection system based on DCS data acquisition in use according to the present invention.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example one
Referring to fig. 1, the present embodiment provides an inspection system based on DCS data acquisition, including:
the first inspection module is used for acquiring the preset actual value of the inspection item.
And the preset actual value of the inspection item is a collected value of the DCS (distributed control system) bit number which is bound with the inspection item in advance and corresponds to the inspection item.
And the early warning module is used for sending out early warning information based on the preset actual value of the inspection item and the preset alarm threshold value corresponding to the inspection item after receiving a user confirmation instruction.
In the practical application of this embodiment, after the early warning module receives the user confirmation instruction, based on the actual value of the preset inspection item and the preset alarm threshold corresponding to the inspection item, the early warning module sends out early warning information, which specifically includes:
and the early warning module judges whether the actual value of the preset inspection item exceeds a preset alarm threshold value corresponding to the inspection item after receiving a user confirmation instruction, and sends out early warning information if the operation is carried out.
Referring to fig. 2, in practical application of this embodiment, the inspection system further includes: and the second inspection module is used for receiving the measured value of the instrument corresponding to the detection item, which is input by the user aiming at each preset inspection item, at the observation time of the user.
Referring to fig. 2, in practical application of this embodiment, the inspection system further includes: and the storage module is used for storing the actual values of the preset inspection items collected by the first inspection module and the measured values of the meters corresponding to the detection items, which are input by the user aiming at each preset inspection item, at the observation time of the user.
In the practical application of this embodiment, the early warning module is further configured to acquire an actual value of a first preset time period of each inspection item in the storage module, and send warning information according to the actual value of the first preset time period of each inspection item in the storage module and a measurement value, corresponding to the detection item, of an instrument corresponding to the detection item, input by the user for each preset inspection item at the user observation time.
The first preset time period of each inspection item comprises a second preset time period before the user observation time corresponding to the measurement value of the inspection item and a third preset time period after the user observation time corresponding to the measurement value of the inspection item.
In practical application of this embodiment, the second preset time period is 30 s.
The third preset time period is 30 s.
In the practical application of this embodiment, the early warning module sends out alarm information according to the actual value of the first preset time period of each polling item in the storage module and the measured value of the meter corresponding to the detection item, which is input by the user for each preset polling item, at the observation time of the user, and specifically includes:
the early warning module acquires the median of the actual value of the first preset time period of each inspection item according to the actual value of the first preset time period of each inspection item in the storage module.
Acquiring an absolute value of a difference value between a measured value of the meter corresponding to the detection item input by each preset inspection item at the user observation time and a median corresponding to the inspection item based on the measured value of the meter corresponding to the detection item input by each preset inspection item at the user observation time and the median corresponding to the inspection item;
and judging whether the absolute value of the difference is within a preset error range corresponding to the inspection item, and if the absolute value of the difference is not within the preset error range corresponding to the inspection item, sending alarm information.
In this embodiment, the error range corresponding to the polling item is 5% of the range of the meter corresponding to the detection item.
Referring to fig. 2, in practical application of this embodiment, the inspection system further includes: the first generation module is used for acquiring fault information of the DCS or the measuring instrument submitted by a user and generating a defect list according to the fault information.
Referring to fig. 2, in practical application of this embodiment, the inspection system further includes: and the second generation module is used for generating a hidden danger list when the error tolerance upper limit is exceeded, and informing the hidden danger list to a corresponding responsible person through an email or a short message.
In practical application of this embodiment, the inspection system further includes: a route module; and the route module is used for generating an inspection route according to the DCS position number.
In addition, this embodiment also provides an inspection method based on DCS data acquisition, which is characterized in that the method is executed by any of the inspection systems based on DCS data acquisition.
According to the inspection system based on DCS data acquisition, the first inspection module is adopted to acquire the actual value of the preset inspection item; the actual value of the preset inspection item is a collected value of a DCS (distributed control system) bit number which is bound with the inspection item in advance and corresponds to the inspection item; and after the early warning module receives a user confirmation instruction, sending out early warning information based on the preset actual value of the inspection item and the preset alarm threshold value corresponding to the inspection item. Compared with the prior art, the problem can be quickly confirmed, and the problem can be timely treated, so that the normal operation of the device is ensured.
Example two
In practical application, when the inspection system based on DCS data acquisition provided in the first embodiment is used for performing work, an inspector holds a PDA to perform inspection on an enterprise site, (at this time, the hand-held PDA is in communication connection with the inspection system based on DCS data acquisition), referring to fig. 3, the process is as follows:
in the practical application of the inspection system based on DCS data acquisition, the DCS position number corresponding to the inspection item is collected in advance, the corresponding relation between the inspection item and the acquisition value of the DCS position number is set,
when a user confirms that the actual value of a preset inspection item collected by a first inspection module of the inspection system for collecting DCS data is correct, (an operator can check the real-time value and the historical trend of the current bit number at a mobile terminal, and communicates with an operator to confirm, so that the fault of the DCS or a field measuring instrument is found in advance and is processed timely, if the operator cannot submit an inspection task at that time, a defect list is generated, and the defect repairing condition is tracked), the inspection personnel triggers a confirmation instruction in the inspection system based on the DCS data collection, and an early warning module in the inspection system based on the DCS data collection sends early warning information based on the actual value of the preset inspection item and a preset warning threshold corresponding to the inspection item after the system receives the user confirmation instruction.
On the premise of allowable error and precision, the allowable upper limit of the error between the actual measurement value and the acquired value of the position number of the DCS is usually preset to be 5% of the measurement range.
Or, referring to fig. 4, when the inspection personnel does not have communication connection with the inspection system based on DCS data acquisition, the inspection personnel downloads the inspection task cache to the PDA in advance in a public manner, and the inspection personnel holds the PDA to perform inspection on the spot. After the inspection task is completed, the inspection task is uploaded to an environment with a network, the system can acquire the historical values of the bit numbers of a period of time before and after the actual measurement of the instrument, sort the historical values, acquire the median, perform internal and external operation comparative analysis, generate a hidden danger list if the error allowable upper limit is exceeded, and send the abnormal conditions to a related responsible person for processing in the forms of mails, short messages and the like.
This embodiment will patrol and examine item and DCS bit number and bind, predetermine the alarm threshold value of measured value and DSC collection value, can assist the personnel of patrolling and examining at the in-process of patrolling and examining and carry out more accurate judgement, discover the problem of DCS or site instrument in advance, in time handle.
Since the system described in the above embodiment of the present invention is a system used for implementing the method of the above embodiment of the present invention, a person skilled in the art can understand the specific structure and the modification of the system based on the method described in the above embodiment of the present invention, and thus the detailed description is omitted here. All systems adopted by the method of the above embodiments of the present invention are within the intended scope of the present invention.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the terms first, second, third and the like are for convenience only and do not denote any order. These words are to be understood as part of the name of the component.
Furthermore, it should be noted that in the description of the present specification, the description of the term "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the claims should be construed to include preferred embodiments and all changes and modifications that fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention should also include such modifications and variations.
Claims (10)
1. The utility model provides a system of patrolling and examining based on DCS data acquisition which characterized in that includes:
the first inspection module is used for acquiring the actual value of a preset inspection item;
the actual value of the preset inspection item is a collected value of a DCS (distributed control system) bit number which is bound with the inspection item in advance and corresponds to the inspection item;
and the early warning module is used for sending out early warning information based on the preset actual value of the inspection item and the preset alarm threshold value corresponding to the inspection item after receiving a user confirmation instruction.
2. The inspection system according to claim 1, wherein the early warning module, after receiving the user confirmation instruction, sends out early warning information based on the actual value of the inspection item and the alarm threshold corresponding to the inspection item, and specifically includes:
and the early warning module is used for judging whether the actual value of the preset inspection item exceeds a preset alarm threshold value corresponding to the inspection item or not after receiving a user confirmation instruction, and sending out early warning information if the actual value exceeds the alarm threshold value.
3. The inspection system according to claim 2, further comprising:
and the second inspection module is used for receiving the measured value of the instrument corresponding to the detection item, which is input by the user aiming at each preset inspection item, at the observation time of the user.
4. The inspection system according to claim 3, further comprising:
and the storage module is used for storing the actual values of the preset inspection items collected by the first inspection module and the measured values of the meters corresponding to the detection items, which are input by the user aiming at each preset inspection item, at the observation time of the user.
5. The inspection system according to claim 4,
the early warning module is also used for acquiring the actual value of the first preset time period of each inspection item in the storage module and sending warning information according to the actual value of the first preset time period of each inspection item in the storage module and the measured value of the instrument corresponding to the detection item, which is input by the user aiming at each preset inspection item, at the observation time of the user;
the first preset time period of each inspection item comprises a second preset time period before the user observation time corresponding to the measurement value of the inspection item and a third preset time period after the user observation time corresponding to the measurement value of the inspection item.
6. The inspection system according to claim 5, wherein the early warning module sends out alarm information according to the actual value of the first preset time period of each inspection item in the storage module and the measured value of the instrument corresponding to the detection item, which is input by the user for each preset inspection item, at the observation time of the user, and specifically includes:
the early warning module acquires the median of the actual value of the first preset time period of each inspection item according to the actual value of the first preset time period of each inspection item in the storage module;
acquiring an absolute value of a difference value between a measured value of the meter corresponding to the detection item input by each preset inspection item at the user observation time and a median corresponding to the inspection item based on the measured value of the meter corresponding to the detection item input by each preset inspection item at the user observation time and the median corresponding to the inspection item;
and judging whether the absolute value of the difference is within a preset error range corresponding to the inspection item, and if the absolute value of the difference is not within the preset error range corresponding to the inspection item, sending alarm information.
7. The inspection system according to claim 6, further including a first generation module;
the first generation module is used for acquiring fault information of the DCS or the measuring instrument submitted by a user and generating a defect list according to the fault information.
8. The inspection system according to claim 7, further including a second generation module;
and the second generation module is used for generating a hidden danger list if the measured value is greater than or equal to the alarm threshold value, and informing the hidden danger list to a corresponding responsible person through an email or a short message.
9. The inspection system according to claim 1, further comprising: a route module;
and the route module is used for generating an inspection route according to the DCS position number.
10. An inspection method based on DCS data acquisition, characterized in that the method is executed by the inspection system based on DCS data acquisition according to any claim 1-9.
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| KR102062528B1 (en) * | 2018-08-09 | 2020-03-02 | 김태상 | System and method for managing dcs facilities |
| CN112837035A (en) * | 2021-02-06 | 2021-05-25 | 广州玖元科技有限公司 | Production activity guidance assistance and supervision system for external operation post of chemical device |
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- 2021-12-01 CN CN202111452812.6A patent/CN114237173A/en active Pending
Patent Citations (4)
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| CN105809330A (en) * | 2016-02-26 | 2016-07-27 | 北京元心科技有限公司 | Early warning information generating and processing method of inspection system, and inspection system |
| KR102062528B1 (en) * | 2018-08-09 | 2020-03-02 | 김태상 | System and method for managing dcs facilities |
| CN208722046U (en) * | 2018-09-29 | 2019-04-09 | 安徽海螺水泥股份有限公司 | A kind of equipment management and auxiliary cruising inspection system |
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