CN114613221A - Training and checking device for intelligent setting and recovery of electrical control fault - Google Patents
Training and checking device for intelligent setting and recovery of electrical control fault Download PDFInfo
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- CN114613221A CN114613221A CN202210237373.5A CN202210237373A CN114613221A CN 114613221 A CN114613221 A CN 114613221A CN 202210237373 A CN202210237373 A CN 202210237373A CN 114613221 A CN114613221 A CN 114613221A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
Abstract
The invention discloses a training and checking device for intelligent setting and recovery of electrical control faults, which comprises: the system comprises a power supply, a touch screen, a PLC, a fault relay control system and a fault assessment unit; the touch screen is used for providing system management setting and training and examination mode selection and generating instructions; the PLC is used for converting the instruction into a PLC output signal; the fault relay control system is used for generating different combinations of the normally open contact and the normally closed contact according to the PLC output signal; the fault assessment unit is used for generating a fault phenomenon according to different combinations of the normally open contact and the normally closed contact; the power supply is used for supplying power to the touch screen, the PLC and the fault relay control system. The invention can quickly and automatically set the fault of the electrical equipment, automatically recover the fault through the touch screen after the fault training and examination, and enable the training personnel to check the score by themselves, grasp the training effect in time and improve the training efficiency.
Description
Technical Field
The invention belongs to the technical field of electrical fault training, and particularly relates to a training and checking device for intelligent setting and recovery of electrical control faults.
Background
Since the second industrial revolution, mankind has entered the electrical era, and electricity has brought the productivity of mankind to a large extent to rise, and various electrical equipment has appeared in succession. The electrical equipment greatly improves the production efficiency and simultaneously generates electrical faults, so that the equipment stops working; from the moment the electrical equipment is born, people start to repair the electrical equipment. The third industrial revolution generates a computer, and then people invent that the PLC changes the prior relay control mode, the reliability of the electrical equipment is improved, the failure rate is reduced, but the electrical equipment with the improvement of science and technology is more and more complex, and the failure rate is reduced but the maintenance difficulty is higher and higher. How to effectively train a serviceman of an electrical device? The training method for long time is an electric fault training device which adopts the technical personnel to observe fault phenomena after a relay control circuit is directly changed, analyzes the circuit which is possibly faulted according to the principle and determines the fault through the measurement of a multimeter and then eliminates the fault, and recently, fault points in a skill competition are connected in advance by adopting plug-in units, so that a coach can conveniently set the fault.
The training method and the training device have the following disadvantages for a long time:
1. the setting of the fault can be set by a coach with high professional knowledge and skills, and the artificial setting of the fault can cause some fault training to be insufficient due to inertial thinking.
2. The setting time of the fault is long, and for 10 faults set by the electrical device project of the world skill competition, the time for completing one fault setting is 30-60 minutes.
3. After each fault is set, the fault type and the fault point need to be manually recorded.
4. After the fault is eliminated (marked), the recovery time of the fault is long, and for setting 10 faults in the electrical equipment project of the world technical competition, the faults need to be recovered one by one according to each fault, and the recovery time is mostly more than 30-60 minutes.
5. If the coach can not give the training score in time after finishing one-time training, the training condition can not be analyzed, the fault can not be recovered and set, the training personnel can not continue training, and the training efficiency is not high.
6. In the match, because the fault is set manually, the setting will have certain difference, which may bring the difference of fault difficulty.
Set up the trouble and require coach to have higher professional skill among traditional electrical equipment trouble maintainer training process, set up and take time, recovery time is long after the fault training, and training at every turn all needs coach setting and recovery fault, and training efficiency is not high, and the fault setting in the match has artificial difference.
Disclosure of Invention
The invention provides a training and examining device for intelligently setting and recovering electrical control faults, which can automatically recover equipment faults after fault removal (marking) training, can automatically mark the faults, can enable a trainer to check the results by himself, timely master the training effect and improve the training efficiency, and solves the problems of the traditional electrical equipment fault training method and equipment in the training of maintenance personnel.
In order to achieve the purpose, the invention provides a training and examining device for intelligent setting and recovery of electrical control faults, which comprises the following components: the method comprises the following steps: the system comprises a power supply, a touch screen, a PLC, a fault relay control system and a fault assessment unit;
the touch screen is used for providing system management setting and training and examination mode selection and generating instructions;
the PLC is used for converting the instruction into a PLC output signal;
the fault relay control system is used for generating different combinations of a normally open contact and a normally closed contact according to the PLC output signal;
the fault assessment unit is used for generating a fault phenomenon according to different combinations of the normally open contact and the normally closed contact;
the power supply is used for supplying power to the touch screen, the PLC and the fault relay control system;
the PLC is respectively connected with the power supply, the touch screen, the fault relay control system and the fault examination unit, and the fault examination unit is connected with the fault relay control system.
Optionally, the system management setting comprises:
and the manager sets a training and examining mode and a training and examining time based on the touch screen.
Optionally, the training assessment mode includes: random fault training, random fault assessment and specified fault assessment.
Optionally, the touch screen is further configured to provide an identity check dialog;
the identity check dialog box includes: a password login dialog box and a name or station number dialog box;
the password login dialog box is used for identity authentication of management personnel;
the name or station number dialog box is used for training the identity verification of the assessment personnel.
Optionally, the touch screen is further configured to display a training assessment time and a training assessment countdown time, and display an electrical schematic diagram of the fault phenomenon.
Optionally, the fault phenomena include: short circuit fault phenomenon, open circuit fault phenomenon, low resistance insulation fault phenomenon, polarity/phase sequence/cross fault phenomenon, and high resistance fault phenomenon.
Optionally, the setting manner of the fault phenomenon includes:
the setting mode of the short-circuit fault phenomenon is as follows: the position of the short-circuit fault is appointed, and the normally open contact of the relay is connected to the corresponding position of the fault to be set;
the setting mode of the open-circuit fault phenomenon is as follows: selecting the position of an open-circuit fault, and serially connecting the position of the open-circuit fault to the corresponding position to be set with the normally closed contact of the relay;
the setting mode of the low-resistance insulation fault phenomenon is as follows: appointing the position of low resistance insulation fault, adding resistance by utilizing a normally open contact of a relay and then connecting the normally open contact to the corresponding position;
the setting mode of the polarity/phase sequence/cross fault phenomenon is as follows: appointing the position of polarity/phase sequence/cross fault, and connecting the position to the corresponding position by utilizing two groups of normally open contacts and two groups of normally closed contacts of the relay;
the setting mode of the high resistance fault phenomenon is as follows: the position of high resistance fault is appointed, and a normally open contact of the relay is used to add a resistor and a group of normally closed contacts to be connected to the corresponding position.
Optionally, the low-resistance insulation fault phenomenon includes a low-resistance insulation fault between two phase lines and a single low-resistance insulation fault.
Optionally, the touch screen is further used for training assessment personnel to record fault conditions, provide score query, and store training assessment results.
Optionally, the fault condition is obtained based on training an assessment staff to compare an electrical schematic diagram of the fault phenomenon and measuring by using an instrument.
Compared with the prior art, the invention has the following advantages and technical effects:
the invention provides a training and examining device for intelligently setting and recovering electrical control faults, which can automatically recover equipment faults after fault elimination or marking training, can automatically mark the faults, can enable a trainer to check the results by himself, timely master the training effect and improve the training efficiency, so as to solve the problems of the traditional electrical equipment fault training method and equipment in the training of maintenance personnel, and has the following specific advantages.
1. The fault setting does not need human participation, and the designated fault mode can be realized by inputting the designated fault number to the touch screen without modifying a hardware line, so that a coach is liberated from setting the fault. The random fault mode breaks through some inertia thinking of artificially setting faults and can train various faults to be eliminated in all directions.
2. The setting of the faults does not need to wait, and for 9 faults set by the electric device project of the world skill competition, the setting of the faults can be automatically completed only by a training or assessment person clicking a touch screen to start training or to start assessment, and the setting does not need to wait.
3. The training result of each fault assessment is automatically stored and recorded, so that each fault is conveniently inquired and analyzed; the whole training and checking process does not need the participation of coaches, the achievement evaluation does not need the participation of coaches, and the dependence of the training and checking on the coaches is solved. The training condition of the training personnel can be counted, the training effect can be visually seen, and the training content and the method can be adjusted in time.
4. After each fault assessment and training is finished, the fault does not need to be recovered manually, and when the training or assessment time is up or the training is finished in advance, and the fault information is recorded by the assessment system, the fault is automatically recovered; the training and checking personnel can perform the next round of training and checking, and the efficiency of the training and checking is greatly improved. One set of equipment can meet the requirements of training and examination of a plurality of persons, and the investment of the equipment can be reduced.
5. All faults are automatically generated by the system, human factors are eliminated, and the system can be fair and fair for skill tournaments.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of a training and assessing device for intelligent setting and recovery of electrical control faults according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a short-circuit fault according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of an open circuit fault, a low resistance insulation fault, and a polarity/phase sequence/cross fault according to a first embodiment of the present invention;
fig. 4 is a schematic diagram of a high resistance fault phenomenon according to a first embodiment of the invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
As shown in fig. 1, the present invention provides a training and examining device for intelligent setting and recovering of electrical control fault, which includes: the system comprises a power supply, a touch screen, a PLC, a fault relay control system and a fault assessment unit;
the touch screen is used for providing system management setting and training and examination mode selection and generating instructions;
the PLC is used for converting the instruction into a PLC output signal;
the fault relay control system is used for generating different combinations of the normally open contact and the normally closed contact according to the PLC output signal;
the fault assessment unit is used for generating a fault phenomenon according to different combinations of the normally open contact and the normally closed contact;
the power supply is used for supplying power to the touch screen, the PLC and the fault relay control system;
the PLC is respectively connected with the power supply, the touch screen, the fault relay control system and the fault examination unit, and the fault examination unit is connected with the fault relay control system.
The system management settings include: and the manager sets a training and examining mode and a training and examining time based on the touch screen.
The training and assessment mode comprises the following steps: random fault training, random fault assessment and specified fault assessment.
The touch screen is also used for providing an identity check dialog box;
the identity check dialog box includes: a password login dialog box and a name or station number dialog box;
the password login dialog box is used for identity authentication of management personnel;
and the name or station number dialog box is used for training the identity verification of the appraiser.
The touch screen is also used for displaying the time for training and examination, the countdown for training and examination and displaying an electrical schematic diagram of the fault phenomenon.
The failure phenomena include: short circuit fault phenomenon, open circuit fault phenomenon, low resistance insulation fault phenomenon, polarity/phase sequence/cross fault phenomenon, and high resistance fault phenomenon.
The failure phenomenon setting mode comprises the following steps:
setting mode of short-circuit fault phenomenon: selecting the position of the short-circuit fault, and utilizing a normally open contact of the relay to be connected to the corresponding position of the fault to be set;
the setting mode of the open-circuit fault phenomenon is as follows: selecting the position of the open-circuit fault, and serially connecting the position of the corresponding fault to be set by using a normally closed contact of the relay;
the setting mode of the low-resistance insulation fault phenomenon is as follows: selecting the position of low resistance insulation fault, adding resistance by utilizing the normally open contact of the relay and then connecting to the corresponding position;
setting mode of polarity/phase sequence/cross fault phenomenon: selecting the position of polarity/phase sequence/cross fault, and connecting the position to a corresponding position by utilizing two groups of normally open contacts and two groups of normally closed contacts of the relay;
setting mode of high resistance fault phenomenon: the position of high resistance fault is selected, and a normally open contact of the relay is used to add a resistor and a group of normally closed contacts to be connected to the corresponding position.
The low-resistance insulation fault phenomenon includes a low-resistance insulation fault between two phase lines and a single low-resistance insulation fault.
The touch screen is also used for training the assessment personnel to record the fault condition, providing score inquiry and storing the training assessment result.
The fault condition is obtained by training the assessment personnel to compare with an electrical schematic diagram of the fault phenomenon and measuring by using an instrument.
Example one
The training and examining device for the intelligent setting and recovery of the electrical control fault provided by the embodiment is composed of a power supply, a manager, a touch screen, a PLC, a fault relay control system, a training person and a fault examining unit, as shown in FIG. 1; the fault relay control system consists of 64 relays, and different faults are combined through normally open contacts and normally closed contacts of the relays according to required functions, so that the fault assessment system is realized.
In the embodiment, the power supply provides 220 alternating current power supply and 24V direct current power supply to the touch screen, the PLC and the fault relay control system respectively.
When a manager logs in, a dialog box for inputting the password is popped up, the system setting is carried out according to the system setting position, and the setting of the examination time or the setting of the training examination mode and the like are carried out. When training and checking personnel log in, a control operation interface of the touch screen pops up an input name or station number dialog box according to whether random fault training or random fault checking or designated fault checking is selected, and the training and checking personnel jump to a corresponding window after registering. Skipping from a starting window to a random fault training window, displaying a fault elimination requirement and some descriptions, requiring training personnel to record a training number so as to inquire and contrast faults later, pressing a starting button after the training numbers are prepared, indicating information is invisible, and simultaneously adopting a random function to generate random faults or fixed faults set by a manager according to a set requirement. Time, count down and schematic circuit diagrams are shown.
After the start button is lifted, the touch screen communicates with the PLC to send fault information to the PLC, and the PLC controls the fault relay to complete fault setting.
The method comprises the following steps that a trainer assessor conducts fault assessment training through set information of a touch screen, according to information such as a circuit schematic diagram of an assessment fault, principle diagram principle analysis is conducted, fault information is searched and recorded in combination with an electrical instrument and meter such as a special multimeter, the assessment time is up or the fault training is finished in advance, the touch screen stores and records information (name, start time, fault number and the like), then the touch screen returns to a start interface, and the fault set before is recovered; training or assessment can be continued, and training conditions can be directly inquired.
The fault assessment unit in the embodiment relies on a fault assessment unit of a world skill competition electrical device project, and 5 fault phenomena of short circuit, open circuit, low insulation resistance, polarity/phase sequence/cross, high resistance and the like of a control circuit of the fault assessment unit are realized on the basis of the fault assessment unit through the combination of a normally open contact and a normally closed contact of a fault relay. Different combinations of normally open contacts and normally closed contacts can cause different fault phenomena.
As shown in fig. 2, the short-circuit fault phenomenon needs to specify the position of the short-circuit fault and is connected to the corresponding fault position to be set by using the normally open contact of the relay, for example: no. 1 fault in the fault assessment unit is realized through a KA2 relay, and a normally open contact of KA2 is connected with a U phase of F1 and is connected with a V phase of F1.
As shown in fig. 3, the open-circuit fault phenomenon is that the position where the open-circuit fault is required is connected in series to the corresponding position where the fault is to be set by using the normally-closed contact of the relay, for example: no. 16 faults in the fault assessment unit supported by the embodiment are realized through a KA17 relay, and the normally closed contact of KA17 is connected in series to the equivalent of L2 of a circuit.
As shown in fig. 3, the low resistance insulation fault phenomenon needs to specify the position of the low resistance insulation fault, and the normal open contact of the relay is added with the resistor and then connected to the corresponding position, so that the low resistance insulation fault between two phase lines exists, and the low resistance insulation fault exists at a single position. Example 1: no. 42 fault in the fault assessment unit supported by the embodiment is realized through a KA43 relay, one end of a normally open contact of KA43 is connected to L1, the other end of the normally open contact is connected with one end of a resistor, and the other end of the resistor is connected to L2. Example 2: the No. 36 fault in the fault assessment unit supported by the invention is realized through a KA37 relay, one normally open contact end of a KA37 is connected to an L3 phase line, the other normally open contact end of the KA37 is connected with one end of a resistor, and the other end of the resistor is grounded.
As shown in fig. 3, the above-mentioned polarity/phase sequence/cross fault phenomenon needs to specify the position of the polarity/phase sequence/cross fault, and two sets of normally open contacts and two sets of normally closed contacts of the relay are connected to the corresponding positions, for example: the No. 46 fault in the fault checking unit supported by the embodiment is realized by a KA47 relay, two groups of normally closed contacts using KA47 are connected in series to a circuit at a place where a polarity/phase sequence/cross fault is needed, one ends of the two groups of normally closed contacts are connected with one ends of the adjacent normally closed contacts, and the other ends of the two groups of normally open contacts are connected to the other ends of the other group of normally closed contacts in a cross mode.
As shown in fig. 4, the high resistance fault phenomenon needs to specify the position of the high resistance fault, and the normal open contact of the relay plus a resistor and a group of normal close contacts are connected to the corresponding position, for example: no. 63 fault in the fault assessment unit supported by the embodiment is realized through a KA64 relay, a normally closed contact of KA64 is connected in series to a party needing high-resistance fault, and a normally open contact of KA64 is connected in series with a resistor and then connected with a normally closed contact of KA64 in parallel.
The random fault training and the random fault examination are fault modes which are randomly and automatically set by the system, if the system is started up under default, training and examining personnel can directly click a random fault training or random fault examination button, and the random fault training or random fault examination interface can be accessed after the name or station number registration is completed.
The specified fault examination is a fault examination mode manually set by a manager, the specified fault examination is selected by training the examiner, and the specified fault examination interface can be accessed after the name or station number registration is completed.
When the failure is eliminated, the system automatically records information, then the system is withdrawn from the random training or random checking interface and automatically recovers the failure, and then the system returns to the starting interface of the touch screen. If the training or assessment personnel get rid of the fault in advance, the system can be used for recovering the fault and returning to the starting interface after finishing the training in advance or finishing the submitting and finishing the assessment and pressing the prompt to determine the system recording information.
Examination and query: and clicking the examination inquiry on a starting interface of the touch screen to input an inquiry password according to a prompt requirement, wherein the password is correct, and then the inquiry of the examination record can be carried out. And when the query is finished, a return button is clicked to return to the starting interface.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a train examination device that is used for electrical control trouble intelligence to set up and resume which characterized in that includes: the system comprises a power supply, a touch screen, a PLC, a fault relay control system and a fault assessment unit;
the touch screen is used for providing system management setting and training and examination mode selection and generating instructions;
the PLC is used for converting the instruction into a PLC output signal;
the fault relay control system is used for generating different combinations of a normally open contact and a normally closed contact according to the PLC output signal;
the fault assessment unit is used for generating a fault phenomenon according to different combinations of the normally open contact and the normally closed contact;
the power supply is used for supplying power to the touch screen, the PLC and the fault relay control system;
the PLC is respectively connected with the power supply, the touch screen, the fault relay control system and the fault examination unit, and the fault examination unit is connected with the fault relay control system.
2. The training and assessment device for intelligent setting and restoration of electrical control faults according to claim 1, wherein said system management settings comprise:
and the manager sets a training and examining mode and sets training and examining time based on the touch screen.
3. The training and assessment device for intelligent setting and restoration of electrical control faults according to claim 2, wherein the training and assessment mode comprises: random fault training, random fault assessment and specified fault assessment.
4. The training and assessment device for intelligent setting and restoration of electrical control faults as claimed in claim 1, wherein said touch screen is further configured to provide an identity check dialog box;
the identity check dialog box includes: a password login dialog box and a name or station number dialog box;
the password login dialog box is used for identity authentication of management personnel;
the name or station number dialog box is used for training the identity verification of the assessment personnel.
5. The training and assessment device for intelligent setting and restoration of electrical control faults as claimed in claim 1, wherein said touch screen is further used for displaying training and assessment time and training and assessment countdown time, and displaying an electrical schematic diagram of said fault phenomenon.
6. The training and assessment device for intelligent setting and restoration of electrical control faults according to claim 1, wherein said fault phenomena comprises: short circuit fault phenomenon, open circuit fault phenomenon, low resistance insulation fault phenomenon, polarity/phase sequence/cross fault phenomenon, and high resistance fault phenomenon.
7. The training and examining device for intelligent setting and recovering of the electrical control faults as claimed in claim 6, wherein the setting mode of the fault phenomena comprises the following steps:
the setting mode of the short-circuit fault phenomenon is as follows: selecting the position of the short-circuit fault, and utilizing a normally open contact of the relay to be connected to the corresponding position of the fault to be set;
the setting mode of the open-circuit fault phenomenon is as follows: appointing the position of the open-circuit fault, and serially connecting the position of the corresponding fault to be set by using a normally closed contact of the relay;
the setting mode of the low-resistance insulation fault phenomenon is as follows: appointing the position of low resistance insulation fault, adding resistance by utilizing a normally open contact of a relay and then connecting the normally open contact to the corresponding position;
the setting mode of the polarity/phase sequence/cross fault phenomenon is as follows: appointing the position of polarity/phase sequence/cross fault, and connecting the position to the corresponding position by utilizing two groups of normally open contacts and two groups of normally closed contacts of the relay;
the setting mode of the high resistance fault phenomenon is as follows: the position of high resistance fault is appointed, and a normally open contact of the relay is used to add a resistor and a group of normally closed contacts to be connected to the corresponding position.
8. The training and assessment device for intelligent setting and restoration of electrical control faults according to claim 7, wherein said low resistance insulation fault phenomena comprises a low resistance insulation fault between two phase lines and a single low resistance insulation fault.
9. The training and assessing device for the intelligent setting and recovering of the electrical control faults as claimed in claim 5, wherein the touch screen is further used for training and assessing personnel to record fault conditions, provide score query and store training and assessing results.
10. The training and assessment device for intelligent setting and restoration of electrical control faults according to claim 9, wherein,
the fault condition is obtained by training and examining personnel to compare with an electrical schematic diagram of the fault phenomenon and measuring by using an instrument and a meter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210237373.5A CN114613221A (en) | 2022-03-11 | 2022-03-11 | Training and checking device for intelligent setting and recovery of electrical control fault |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210237373.5A CN114613221A (en) | 2022-03-11 | 2022-03-11 | Training and checking device for intelligent setting and recovery of electrical control fault |
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