A fatigue testing system and method applicable to various types of instrumentation and control card components

By designing a fatigue testing system suitable for various types of instrumented card parts, the problem of lack of card parts fatigue testing methods in the prior art is solved, and the automation and remote operation of card parts fatigue testing is realized, and the testing efficiency and applicability are improved.

CN110993131BActive Publication Date: 2025-04-11CHINA NUCLEAR POWER OPERATION TECH CORP
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Patent Information

Application Number
CN201911408691.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-12-31
Publication Date
2025-04-11
Estimated Expiration
2039-12-31

AI Technical Summary

Technical Problem

The existing technology lacks methods suitable for fatigue testing of instrument-controlled card parts, and has not realized automated dynamic detection, resulting in the inability to effectively detect card parts fatigue, which may lead to failures of nuclear power equipment and economic losses.

Method used

A fatigue testing system for various types of instrumented card parts is designed, which includes components such as internal box, circuit board, acquisition control device, digital signal acquisition device, analog signal output board, card part adapter and color development frame. Through these components, automatic testing and remote operation of card parts are realized.

Benefits of technology

It realizes automated testing and remote operation of card fatigue testing, improves the work efficiency of operators, and can conduct test operations in different places and in multiple field environments, meeting the test needs of multiple field environments.

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Abstract

The present invention relates to the field of card fatigue testing technology, and specifically discloses a system and method for fatigue testing of various types of instrumentation and control card components. The system includes an inner box, a circuit board is provided at the inner bottom of the inner box, an acquisition control device and a digital signal acquisition device are fixedly connected to one side of the upper end of the circuit board, an analog signal output board and a card adapter are fixedly connected to the other side of the upper end of the circuit board, and the acquisition control device, the digital signal acquisition device, the analog signal output board and the card adapter are all electrically connected to the circuit board; a plurality of slots are provided at the middle position of the upper end of the circuit board, and a color display frame is fixedly connected to the outside of the slot, and the color display frame can indicate whether the correct card is inserted into the slot. The present invention realizes automated testing of the card fatigue testing process, remote operation, and improves the work efficiency of operators; at the same time, the test volume is small and the method is simple, which can meet the test operations of various field environments in different places.
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Description

Technical Field

[0001] The invention belongs to the technical field of card fatigue testing, and in particular relates to a system and method for fatigue testing of various types of instrumentation and control card parts. Background Art

[0002] With the proposal of the goal of "Industry 4.0", the intelligent and safe operation of nuclear power has become an inevitable trend, and higher requirements have been put forward for the stable operation of important electrical equipment in nuclear power plants. As the core components of electrical equipment, nuclear power instrumentation and control cards play a decisive role. According to the nuclear power development plan proposed by the state, by 2020, the total installed capacity of nuclear power in my country will reach 40 million kilowatts, and 18 million kilowatts are under construction. The nuclear power industry is facing good development opportunities, and the multi-base model of group nuclear power is taking shape. Under this situation, it is of great significance to do a good job in fatigue testing of important equipment in nuclear power plants. At present, there is no set of methods for fatigue testing of instrumentation and control cards. Nuclear power instrumentation and control cards play a very important role in the operation of nuclear power equipment. When there is a problem with the card, it will cause failure of important nuclear power equipment. In serious cases, the reactor will be shut down directly, causing significant economic losses.

[0003] In view of this problem, the existing technical solutions have the following problems and shortcomings: first, there is no set of card fatigue testing methods; second, the causes of card problems are not considered from multiple aspects, and automated dynamic detection is not implemented. Summary of the invention

[0004] The purpose of the present invention is to provide a fatigue testing system and method applicable to various types of instrumentation and control card components, so as to solve the existing problems existing in the above background.

[0005] The technical solution of the present invention is as follows: a fatigue testing system suitable for various types of instrumentation and control card components, the system comprising an inner box body, a circuit board is provided at the inner bottom end of the inner box body, an acquisition control device and a digital signal acquisition device are fixedly connected to one side of the upper end of the circuit board, an analog signal output board and a card component adapter are fixedly connected to the other side of the upper end of the circuit board, the acquisition control device, the digital signal acquisition device, the analog signal output board and the card component adapter are all electrically connected to the circuit board; a plurality of slots are provided at the middle position of the upper end of the circuit board, a color display frame is fixedly connected to the outer side of the slot, and the color display frame can indicate whether the correct card component is inserted into the slot.

[0006] The inner box is also fixedly mounted with a dehumidifier and a heater, and both the dehumidifier and the heater are electrically connected to the circuit board.

[0007] The inner box body is covered with an outer box body, and a cover plate is provided at the upper end of the inner box body, and a plurality of through grooves are opened on the cover plate to expose the equipment that needs to be left with holes in the inner box body; a rotating cover is rotatably connected to one side of the outer box body, and the outer side of the rotating cover is connected to the outer box body through a locking mechanism.

[0008] The locking mechanism comprises a lock, which is fixed on the rotating cover. A lock buckle is fixedly connected to one side of the outer box body, and the lock is fixed on the lock buckle.

[0009] The test system includes a processor, the processor is electrically connected to a storage module, the processor is also electrically connected to a display module, an alarm module, an analysis module, a report generation unit and a ratio module, the ratio module is electrically connected to a data collection module, and the data collection module is electrically connected to the circuit board.

[0010] The processor is also electrically connected to a voltage source module, the voltage source module is electrically connected to a resistance module, and the resistance module is electrically connected to the circuit board.

[0011] The ratio module includes a threshold module and an early warning value module.

[0012] The alarm module includes a receiving module, the receiving module is electrically connected to the processor, the receiving module is electrically connected to a starting module, the starting module is electrically connected to a buzzer, and the buzzer is electrically connected to a speaker.

[0013] The report generation unit includes a time recording module, the time recording module is connected to the processor via a wire, the time recording module is electrically connected to a data generation module, the data generation module is electrically connected to a matching module, and the matching module is electrically connected to a chart generation module.

[0014] A fatigue testing method applicable to various types of instrumentation and control components, the method specifically comprising the following steps:

[0015] Step 1: Select different cards to complete the equipment system construction;

[0016] Step 2. Select the use case below and perform a no-load test of the copy machine use case;

[0017] Step 3: On the basis that the no-load test of the copy machine case meets the requirements, a small power supply load test is performed;

[0018] Step 4: After passing the small power load test, conduct a card component test and record and save the experimental data.

[0019] In the step 1 described above, when performing the card copying experiment, different cards are selected to complete the specific steps of setting up the equipment system:

[0020] Step 1.1. Wear anti-static gloves to check the appearance of the card;

[0021] Step 1.2: Determine whether the card connection is qualified. If the card connection is unqualified, stop the experiment and record the abnormality. If the card connection is qualified, complete the AC adjustable power supply wiring according to the experimental wiring requirements.

[0022] Step 1.3: Turn on the power switch, ensure that all devices start normally and the communication is reliable, then start the system, enter the baking machine experiment module, and select the card and slot.

[0023] The specific steps of performing the no-load test of the copy machine use case in step 2 are as follows:

[0024] Step 2.1, determine whether the typical value of input and output reaches the trip value. If it reaches the trip value, stop the experiment immediately, otherwise proceed to the next step;

[0025] Step 2.2: Determine whether the typical value of input and output reaches the warning value. If it reaches the warning value and you choose not to ignore it, stop the experiment immediately; otherwise, insert the card to be tested into the corresponding card slot and perform a small power load test.

[0026] The specific steps of performing the small power supply load test in step 3 are as follows:

[0027] Step 3.1: Under the condition of small power supply waiting for load, determine whether the typical value of input and output reaches the trip value. If it reaches the trip value, stop the experiment immediately, otherwise proceed to the next step;

[0028] Step 3.2: Determine whether the typical value of input and output reaches the warning value. If it reaches the warning value and you choose not to ignore it, stop the experiment immediately; otherwise, enter the card copying experiment.

[0029] The specific steps of performing the card copying experiment in step 4 are as follows:

[0030] Step 4.1, determine whether the typical value of input and output reaches the trip value. If it reaches the trip value, stop the experiment immediately and record the abnormality; otherwise, go to the next step;

[0031] Step 4.2, determine whether the typical value of input and output reaches the warning value. If it reaches the warning value and choose not to ignore, stop the experiment immediately, record the abnormality, and end the experiment; otherwise, record the input and output response signal of the card, end the experiment, and save the experimental data;

[0032] Step 4.3, generate an experimental record report and determine whether there is a warning. If there is no warning, remove the card and restore the experimental equipment; if there is a warning, enter the warning analysis submodule in the data analysis module and perform comparative analysis. At the same time, enter the diagnostic experiment module to perform a diagnostic experiment.

[0033] The significant effect of the present invention is that the fatigue testing system and method for various types of instrumentation and control card parts described in the present invention have the following advantages: the present invention realizes automated testing of the card parts fatigue testing process, remote operation, and improves the work efficiency of operators; at the same time, the test volume of the present invention is small, the method is simple, and it can meet the needs of different places and achieve a variety of on-site environment test operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a structural schematic diagram of a fatigue testing system for various types of instrumentation and control components according to the present invention;

[0035] Figure 2 A top view of a fatigue testing system for various types of instrumentation and control components according to the present invention;

[0036] Figure 3 This is a block diagram of a fatigue testing system applicable to various types of instrumentation and control components according to the present invention;

[0037] Figure 4 This is a flow chart of a fatigue testing method applicable to various types of instrumentation and control components according to the present invention;

[0038] In the figure: 1. outer box; 2. inner box; 3. lock; 4. rotating cover; 5. lock; 6. circuit board; 7. slot; 8. heater; 9. dehumidifier; 10. cover; 11. acquisition control device; 12. digital signal acquisition device; 13. analog signal output board; 14. card adapter; 15. color display frame. DETAILED DESCRIPTION

[0039] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] like Figures 1 to 3 As shown, a fatigue testing system for various types of instrumentation and control card parts includes an outer box body 1, the interior of the outer box body 1 is fixedly connected to an inner box body 2, one side of the outer box body 1 is rotatably connected to a rotating cover 4, the function of the rotating cover 4 is to seal the outer box body 1 and protect the internal parts, the outer side of the rotating cover 4 is connected to the outer box body 1 through a locking mechanism, the function of the locking mechanism is to lock the rotating cover 4, the locking mechanism includes a locking member 5, the locking member 5 is fixed on the rotating cover 4, one side of the outer box body 1 is fixedly connected to a lock buckle 3, and the locking member 5 is fixed on the lock buckle 3.

[0041] The inner bottom of the inner box 2 is fixedly connected with a circuit board 6, and the upper side of the circuit board 6 is fixedly connected with an acquisition control device 11. The acquisition control device 11 adopts a centralized and distributed combination to realize the direct format conversion between the software communication message and the hardware response signal, and realizes the control of the test signal channel and the acquisition of the test signal, and directly controls the dehumidifier 9 and the heater 8. A digital signal acquisition device 12 is fixedly connected to one side of the acquisition control device 11. The function of the digital signal acquisition device 12 is to collect information data. An analog signal output board 13 is fixedly connected to one side of the digital signal acquisition device 12. The analog signal output board 13 is fixedly connected to one side of the digital signal acquisition device 12. The function of the signal output board 13 is to provide the input electrical signal of the card during the test process. A card adapter device 14 is fixedly connected to one side of the analog signal output board 13. The card adapter device 14 includes a signal input and output terminal row and an intermediate circuit. A signal transfer terminal is set on the card adapter device 14. The signal processing circuit designed for isolation, anti-attenuation and grounding control board power supply is designed according to the card signal type and range to achieve seamless transfer of the card signal to the acquisition control device 11. The acquisition control device 11, the digital signal acquisition device 12, the analog signal output board 13 and the card adapter device 14 are all connected to the circuit board 6.

[0042] A plurality of slots 7 are provided at the middle position of the upper end of the circuit board 6. The function of the slots 7 is to connect the card to be tested. A cover plate 10 is provided above the circuit board 6. The cover plate 10 is fixed on the inner box body 2. A color display frame 15 is fixedly connected to the outer side of the slot 7. When the card does not correspond to the slot 7, the card cannot be dragged in. When corresponding, the color of the color display frame 15 becomes darker, and when dragged in, the color display frame 15 becomes blue. The color display frame 15 is connected to the circuit board 6. A heater 8 is fixedly connected to one side of the circuit board 6. The heater 8 is fixed on the inner box body 2. The function of the heater 8 is to change the temperature inside the box body. A dehumidifier 9 is fixedly connected to the inner box body 2. The function of the dehumidifier 9 is to change the humidity inside the box body. The dehumidifier 9 is located on one side of the heater 8. The circuit board 6 is connected to a control system through a wire.

[0043] The control system includes a processor, which is electrically connected to a storage module. The storage module is used to store received information data. The processor is also electrically connected to a display module, an alarm module, an analysis module, a report generation unit and a ratio module. The ratio module is electrically connected to a data collection module. The data collection module is electrically connected to a circuit board 6. The processor is also electrically connected to a voltage source module. The voltage source module is electrically connected to a resistance module. The voltage source module and the resistance module change the voltage on the circuit board 6. The resistance module is electrically connected to the circuit board 6. The ratio module includes a threshold module and an early warning value module.

[0044] The alarm module includes a receiving module, the receiving module is electrically connected to the processor, the receiving module is electrically connected to the starting module, the starting module is electrically connected to the buzzer, and the buzzer is electrically connected to the speaker. When an abnormality occurs during the detection process, the processor controls the starting module to start the buzzer and issue an alarm prompt. The report generation unit includes a time recording module, a monitoring time interval of the time recording module, the time recording module is connected to the processor through a wire, the time recording module is electrically connected to the data generation module, the data generation module generates data from the received information, the data generation module is electrically connected to the matching module, the function of the matching module is to match the test time with the obtained data, the matching module is electrically connected to the chart generation module, and according to the test time, the chart generation module draws the generated data into charts and curves.

[0045] like Figure 4 As shown, a fatigue testing method applicable to various types of instrumentation and control components includes the following steps:

[0046] S1: Select the card, conduct an appearance inspection, start the system, enter the fatigue test module, and select the card and slot;

[0047] S2: Use case selection and delivery, fatigue case no-load test, input and output typical values, whether the trip value is reached;

[0048] S3: Input and output typical values, whether they reach the warning value;

[0049] S4: Insert the card to be tested into the corresponding slot, conduct a small power supply load test, input and output typical values, and check whether the trip value is reached;

[0050] S5: Input and output typical values, whether they reach the warning value;

[0051] S6: Enter the fatigue test, input and output typical values, and check whether they reach the trip value;

[0052] S7: Input and output typical values, whether they reach the warning value;

[0053] S8: Record the input and output signals of the card, the test is over, and the data is saved;

[0054] S9: Generate a custom test record report to check whether an alarm occurs; if an alarm occurs, enter the alarm analysis submodule in the data analysis module for comparison and analysis, and enter the diagnostic experiment module for diagnostic experiments; if no alarm occurs, remove the card and restore the test equipment.

Claims

1. A fatigue testing method applicable to various types of instrumentation and control components, characterized in that: The method specifically comprises the following steps: Step 1: Select different cards to complete the equipment system construction; The test system comprises an inner box (2), wherein a circuit board (6) is provided at the inner bottom of the inner box (2), wherein an acquisition control device (11) and a digital signal acquisition device (12) are fixedly connected to one side of the upper end of the circuit board (6), and an analog signal output board (13) and a card adapter (14) are fixedly connected to the other side of the upper end of the circuit board (6), wherein the acquisition control device (11), the digital signal acquisition device (12), the analog signal output board (13) and the card adapter (14) are all electrically connected to the circuit board (6); a plurality of slots (7) are provided at the middle position of the upper end of the circuit board (6), and a color display frame (15) is fixedly connected to the outer side of the slot (7), and the color display frame (15) is fixedly connected to the outer side of the slot (7). The color display frame (15) can indicate whether the correct card is inserted into the slot (7); the inner box (2) is covered with an outer box (1), and a cover plate (10) is provided at the upper end of the inner box (2), and the cover plate (10) is provided with a plurality of through slots that can expose the equipment that needs to be left with holes in the inner box (2); a rotating cover (4) is rotatably connected to one side of the outer box (1), and the outer side of the rotating cover (4) is connected to the outer box (1) through a locking mechanism; the locking mechanism includes a locking element (5), and the locking element (5) is fixed to the rotating cover (4); a locking buckle (3) is fixedly connected to one side of the outer box (1), and the locking element (5) is fixed to the locking buckle (3); Step 1.

1. Wear anti-static gloves to check the appearance of the card; Step 1.2: Determine whether the card connection is qualified. If the card connection is unqualified, stop the experiment and record the abnormality. If the card connection is qualified, complete the AC adjustable power supply wiring according to the experimental wiring requirements. Step 1.3, turn on the power switch, ensure that all devices start normally and the communication is reliable, then start the system, enter the baking machine experiment module, and select the card and card slot; Step 2. Select the use case below and perform a no-load test of the copy machine use case; Step 2.1, determine whether the typical value of input and output reaches the trip value. If it reaches the trip value, stop the experiment immediately, otherwise proceed to the next step; Step 2.2, determine whether the typical value of input and output reaches the warning value. If it reaches the warning value and you choose not to ignore it, stop the experiment immediately; otherwise, insert the card to be tested into the corresponding card slot and perform a small power supply load test; Step 3: On the basis that the no-load test of the copy machine case meets the requirements, a small power supply load test is performed; Step 3.1: Under the condition of small power supply waiting for load, determine whether the typical value of input and output reaches the trip value. If it reaches the trip value, stop the experiment immediately, otherwise proceed to the next step; Step 3.2: Determine whether the typical value of input and output reaches the warning value. If it reaches the warning value and you choose not to ignore it, stop the experiment immediately; otherwise, enter the card copy machine experiment; Step 4: After passing the small power supply load test, conduct a card component test, and record and save the experimental data; Step 4.1, determine whether the typical value of input and output reaches the trip value. If it reaches the trip value, stop the experiment immediately and record the abnormality; otherwise, go to the next step; Step 4.2: Determine whether the typical value of input and output reaches the warning value. If it reaches the warning value and it is not ignored, the experiment is stopped immediately, and the abnormality is recorded and the experiment is ended; otherwise, the input and output response signals of the card are recorded, the experiment is ended, and the experimental data is saved; Step 4.3, generate an experimental record report and determine whether there is a warning. If there is no warning, remove the card and restore the experimental equipment; if there is a warning, enter the warning analysis submodule in the data analysis module and perform comparative analysis. At the same time, enter the diagnostic experiment module to perform a diagnostic experiment.

2. A fatigue testing method for various types of instrumentation and control components according to claim 1, characterized in that: The inner box (2) is also fixedly mounted with a dehumidifier (9) and a heater (8), and the dehumidifier (9) and the heater (8) are both electrically connected to the circuit board (6).

3. A fatigue testing method applicable to various types of instrumentation and control components according to claim 1, characterized in that: The test system comprises a processor, the processor is electrically connected to a storage module, the processor is also electrically connected to a display module, an alarm module, an analysis module, a report generation unit and a ratio module, the ratio module is electrically connected to a data collection module, and the data collection module is electrically connected to the circuit board (6).

4. A fatigue testing method applicable to various types of instrumentation and control components according to claim 3, characterized in that: The processor is also electrically connected to a voltage source module, the voltage source module is electrically connected to a resistance module, and the resistance module is electrically connected to the circuit board (6).

5. The fatigue testing method applicable to various types of instrumentation and control components according to claim 3 is characterized in that: The ratio module includes a threshold module and an early warning value module.

6. The fatigue testing method applicable to various types of instrumentation and control components according to claim 3 is characterized in that: The alarm module includes a receiving module, the receiving module is electrically connected to the processor, the receiving module is electrically connected to a starting module, the starting module is electrically connected to a buzzer, and the buzzer is electrically connected to a speaker.

7. The fatigue testing method for various types of instrumentation and control components according to claim 3 is characterized in that: The report generation unit includes a time recording module, the time recording module is connected to the processor via a wire, the time recording module is electrically connected to a data generation module, the data generation module is electrically connected to a matching module, and the matching module is electrically connected to a chart generation module.

Citation Information

Patent Citations

  • Dynamic card detection device and method

    CN110895976A

  • Fatigue test system suitable for multiple types of instrument control cards

    CN211742665U