Intelligent rapid point inspection instrument

Abstract

An intelligent rapid spot inspection instrument relates to spot inspection equipment and comprises a frame body (1), a hot plug rack (10) and a computer (28), a power supply A (2) is arranged on the frame body (1), a CPU module (3) is further arranged on the frame body (1), the CPU module (3) is connected with the computer (28) through an Ethernet cable (27), and the CPU module (3) is connected with a DP bus interface module (13) through a DP bus (26); according to the utility model, the analog quantity input / output module and the digital quantity input / output module are connected with the detected analog quantity input / output module and the detected digital quantity input / output module through the analog quantity input / output isolation module and the digital quantity input / output isolation module; therefore, an instrument for effectively detecting the equipment state of the control system is formed, and the purposes of greatly improving the point inspection efficiency, greatly shortening the point inspection time, effectively reducing the point inspection personnel and obviously improving the point inspection accuracy are achieved.

Description

Technical Field

[0001] The utility model relates to a spot inspection device, in particular to an intelligent rapid spot inspection instrument. Background Art

[0002] Control systems are widely used in advanced manufacturing industries and are the central nervous system of the production process. Their continuous and reliable operation is an important guarantee for production. Due to the harsh production site environment, the control system is attacked by various harmful gases, various dust containing conductive media, vibration and other adverse factors, which can easily cause aging and damage of components, posing hidden dangers to production safety. In order to improve the reliability of the control system and ensure that the control system can operate safely, stably, long-term and effectively, the use of special technical equipment to detect the equipment status of the control system has become an important means for us to understand the status of the control system. In the past, manual inspections were generally performed, and there were a lot of input / output cards, which resulted in low inspection efficiency. It is inevitable to apply technical means and develop and use inspection instruments. Utility Model Content

[0003] In order to overcome the shortcomings of the background technology, the utility model discloses an intelligent rapid inspection instrument, which forms an instrument for effectively detecting the equipment status of the control system by connecting the analog input / output module, the digital input / output module and the analog input / output module to be detected and the digital input / output module to be detected through the analog input / output isolation module and the digital input / output isolation module, thereby achieving the purpose of greatly improving the inspection efficiency, greatly shortening the inspection time, effectively reducing the number of inspection personnel, and significantly improving the inspection accuracy.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0005] An intelligent fast spot inspection instrument comprises a frame, a hot-swappable frame and a computer, wherein a power supply A is arranged on the frame, and a CPU module, a high-precision eight-channel analog output module, a high-precision eight-channel analog input module, a sixteen-channel digital output module, a thirty-two-channel digital output module, a sixteen-channel digital input module and a thirty-two-channel digital input module are arranged on the frame in sequence and powered by the power supply A, a hot-swappable bus module is arranged on the hot-swappable frame, a power supply B is arranged on the hot-swappable bus module, a DP bus interface module, an eight-channel analog input module to be detected, an eight-channel analog output module to be detected, a sixteen-channel digital input module to be detected, a thirty-two-channel digital input module to be detected, a sixteen-channel digital output module to be detected and a thirty-two-channel digital output module to be detected are arranged on the hot-swappable bus module in sequence and powered by the power supply B, the CPU module is connected to the computer via an Ethernet cable, and the CPU module Through the DP bus and the DP bus interface module, the high-precision eight-channel analog output module is connected to the eight-channel analog input module to be detected through the analog input / analog output high-precision isolation module A, the high-precision eight-channel analog input module is connected to the eight-channel analog output module to be detected through the analog input / analog output high-precision isolation module B, the sixteen-channel digital output module is connected to the sixteen-channel digital input module to be detected through the digital input / digital output isolation module A, the thirty-two-channel digital output module is connected to the thirty-two-channel digital input module to be detected through the digital input / digital output isolation module B, the sixteen-channel digital input module is connected to the sixteen-channel digital output module to be detected through the digital input / digital output isolation module C, and the thirty-two-channel digital input module is connected to the thirty-two-channel digital output module to be detected through the digital input / digital output isolation module D.

[0006] The hot-swap bus module of the intelligent rapid inspection instrument is arranged on a hot-swap rack.

[0007] The intelligent quick inspection instrument has an input voltage of 220VAC for power supply A and power supply B, and an output voltage of 24VDC for power supply A and power supply B.

[0008] The computer of the intelligent rapid inspection instrument is a desktop computer or a notebook computer.

[0009] The intelligent rapid inspection instrument, high-precision eight-channel analog output module, high-precision eight-channel analog input module, sixteen-channel digital output module, thirty-two-channel digital output module, sixteen-channel digital input module and thirty-two-channel digital input module are all input and output modules of S7-1500PLC.

[0010] The intelligent rapid inspection instrument, the models of the tested eight-channel analog input module, the tested eight-channel analog output module, the tested sixteen-channel digital input module, the tested thirty-two-channel digital input module, the tested sixteen-channel digital output module and the tested thirty-two-channel digital output module are all input and output modules of S7-300PLC.

[0011] The intelligent rapid inspection instrument, the analog input / analog output high-precision isolation module A and the analog input / analog output high-precision isolation module B are both P+F KFD2-SCD2-Ex2.LK isolation fences, and the digital input / digital output isolation module A, digital input / digital output isolation module B, digital input / digital output isolation module C and digital input / digital output isolation module D are all Huaao HA-RM1AF16-24V relay modules.

[0012] The CPU module of the intelligent rapid inspection instrument is a 1516-3PN / DP module.

[0013] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0014] The intelligent rapid inspection instrument described in the utility model forms an instrument for effectively detecting the equipment status of the control system by connecting the analog input / output module, the digital input / output module and the analog input / output module to be detected and the digital input / output module to be detected through the analog input / output isolation module and the digital input / output isolation module, thereby achieving the goals of greatly improving the inspection efficiency, greatly shortening the inspection time, effectively reducing the number of inspection personnel, and significantly improving the inspection accuracy rate; the utility model has a compact and reasonable structure, a high degree of automation, energy saving and consumption reduction, and high precision, effectively solves various shortcomings of manual inspection, and is suitable for promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] In the figure: 1, frame; 2, power supply A; 3, CPU module; 4, high-precision eight-channel analog output module; 5, high-precision eight-channel analog input module; 6, sixteen-channel digital output module; 7, thirty-two-channel digital output module; 8, sixteen-channel digital input module; 9, thirty-two-channel digital input module; 10, hot-swappable rack; 11, hot-swappable bus module; 12, power supply B; 13, DP bus interface module; 14, detected eight-channel analog input module; 15, detected eight-channel analog output module; 16, detected sixteen-channel digital input module; 17. The tested 32-channel digital input module; 18. The tested 16-channel digital output module; 19. The tested 32-channel digital output module; 20. Analog input / analog output high-precision isolation module A; 21. Analog input / analog output high-precision isolation module B; 22. Digital input / digital output isolation module A; 23. Digital input / digital output isolation module B; 24. Digital input / digital output isolation module C; 25. Digital input / digital output isolation module D; 26. DP bus; 27. Ethernet cable; 28. Computer. DETAILED DESCRIPTION

[0017] The present invention can be explained in more detail through the following embodiments. The present invention is not limited to the following embodiments. The purpose of disclosing the present invention is to protect all changes and improvements within the scope of the present invention.

[0018] Combined with Figure 1The intelligent rapid inspection instrument comprises a frame 1, a hot-swappable frame 10 and a computer 28. A power supply A2 is arranged on the frame 1. A CPU module 3, a high-precision eight-channel analog output module 4, a high-precision eight-channel analog input module 5, a sixteen-channel digital output module 6, a thirty-two-channel digital output module 7, a sixteen-channel digital input module 8 and a thirty-two-channel digital input module 9 are arranged on the frame 1 in sequence and powered by the power supply A2. A hot-swappable bus module 11 is arranged on the hot-swappable frame 10. A power supply B12 is provided on the hot-swappable bus module 11, and a DP bus interface module 13, an eight-channel analog input module 14, an eight-channel analog output module 15, a sixteen-channel digital input module 16, a thirty-two-channel digital input module 17, a sixteen-channel digital output module 18 and a thirty-two-channel digital output module 19 are provided on the hot-swappable bus module 11 in sequence and are powered by the power supply B12. The CPU module 3 is connected to the computer 28 via an Ethernet cable 27, and the CPU module 3 is connected to the computer 28 via the DP bus interface module 13. The bus 26 is connected to the DP bus interface module 13, the high-precision eight-channel analog output module 4 is connected to the detected eight-channel analog input module 14 through the analog input / analog output high-precision isolation module A20, the high-precision eight-channel analog input module 5 is connected to the detected eight-channel analog output module 15 through the analog input / analog output high-precision isolation module B21, the sixteen-channel digital output module 6 is connected to the detected sixteen-channel digital input module 16 through the digital input / digital output isolation module A22, the thirty-two-channel digital output module 7 is connected to the detected thirty-two-channel digital input module 17 through the digital input / digital output isolation module B23, the sixteen-channel digital input module 8 is connected to the detected sixteen-channel digital output module 18 through the digital input / digital output isolation module C24, the thirty-two-channel digital input module 9 is connected to the detected thirty-two-channel digital output module 19 through the digital input / digital output isolation module D25, the input voltage of the power supply A2 and the power supply B12 is 220VAC,The output voltage of power supply A2 and power supply B12 is 24VDC, computer 28 is a desktop computer or a laptop computer, high-precision eight-channel analog output module 4, high-precision eight-channel analog input module 5, sixteen-channel digital output module 6, thirty-two-channel digital output module 7, sixteen-channel digital input module 8 and thirty-two-channel digital input module 9 are all input and output modules of S7-1500PLC, and the detected eight-channel analog input module 14, detected eight-channel analog output module 15, detected sixteen-channel digital input module 16, detected thirty-two-channel digital input module 17, detected sixteen-channel digital output module 18 and detected The models of the 32-channel digital output module 19 are all S7-300PLC input and output modules, the models of the analog input / analog output high-precision isolation module A20 and the analog input / analog output high-precision isolation module B21 are all P+F KFD2-SCD2-Ex2.LK isolation barriers, the models of the digital input / digital output isolation module A22, the digital input / digital output isolation module B23, the digital input / digital output isolation module C24 and the digital input / digital output isolation module D25 are all AAO HA-RM1AF16-24V relay modules, and the CPU module 3 is a 1516-3PN / DP module.

[0019] When the intelligent rapid inspection instrument described in the utility model is implemented, power A2 and power B12 are turned on, and the detected eight-channel analog input module 14, the detected eight-channel analog output module 15, the detected sixteen-channel digital input module 16, the detected thirty-two-channel digital input module 17, the detected sixteen-channel digital output module 18 and the detected thirty-two-channel digital output module 19 are inserted into the corresponding positions on the hot-swappable bus module 11. The operator loads the corresponding control software on the computer 28 and operates it. The operation data enters the CPU module 3 through the Ethernet cable 27, and the CPU module 3 collects and controls the high-precision eight-channel IO module of the rack Analog output module 4, high-precision eight-channel analog input module 5, sixteen-channel digital output module 6, thirty-two-channel digital output module 7, sixteen-channel digital input module 8 and thirty-two-channel digital input module 9, CPU module 3 collects and controls IO module through DP bus 26, DP bus interface module 13 and hot-swappable bus module 11 to detect eight-channel analog input module 14, eight-channel analog output module 15, sixteen-channel digital input module 16, thirty-two-channel digital input module 17, sixteen-channel digital output module 18 and thirty-two-channel digital output module 19;

[0020] The specific operations are as follows:

[0021] 1. Inspection of eight-channel analog input module: the inspection personnel use the computer 28 installed with the special inspection software to send the inspection instruction of the eight-channel analog input module to the CPU module 3 through the network cable 27; the CPU module 3 sends the calibration data to the high-precision eight-channel analog output module 4; the high-precision eight-channel analog output module 4 converts the calibration data into 4~20mA standard signal output, and sends it to the eight-channel analog input module 14 to be tested through the analog input / analog output high-precision isolation module 20; the eight-channel analog input module 14 to be tested converts the 4~20mA standard signal into the corresponding test data; the CPU module 3 collects the test data of the eight-channel analog input module 14 to be tested through the DP bus 26 and the DP bus interface module 13, and compares it with the calibration data sent by the high-precision eight-channel analog output module 4, and calculates the deviation between the two: if the deviation is within the allowable range, the eight-channel analog input module 14 to be tested is evaluated as normal; otherwise, the eight-channel analog input module 14 to be tested is evaluated as faulty; the computer 28 monitors and records the inspection process data and result evaluation data.

[0022] 2. Inspection of eight-channel analog output module: the inspection personnel use the computer 28 installed with the special inspection software to send the inspection instruction of the eight-channel analog output module to the CPU module 3 through the network cable 27; the CPU module 3 sends the calibration data to the eight-channel analog output module 15 to be inspected; the eight-channel analog output module 15 to be inspected converts the calibration data into 4~20mA standard signal output, and sends it to the high-precision eight-channel analog input module 5 through the analog input / analog output high-precision isolation module 21; the high-precision eight-channel analog input module 5 converts the 4~20mA standard signal into the corresponding detection data; the CPU module 3 collects the detection data of the high-precision eight-channel analog input module 5, and compares it with the calibration data sent by the eight-channel analog output module 15 to be inspected, and calculates the deviation between the two: if the deviation is within the allowable range, the eight-channel analog output module 15 to be inspected is assessed to be normal; otherwise, the eight-channel analog output module 15 to be inspected is assessed to be faulty; the computer 28 monitors and records the inspection process data and result evaluation data.

[0023] 3. Inspection of sixteen-channel digital input module: the inspection personnel use the computer 28 installed with the special inspection software to send the inspection instruction of the sixteen-channel digital input module to the CPU module 3 through the network cable 27; the CPU module 3 sends the calibration data to the sixteen-channel digital output module 6; the sixteen-channel digital output module 6 converts the calibration data into digital signal output and sends it to the sixteen-channel digital input module 16 to be inspected through the digital input / digital output isolation module 22; the sixteen-channel digital input module 16 to be inspected converts the digital signal into the corresponding detection data; the CPU module 3 collects the detection data of the sixteen-channel digital input module 16 to be inspected through the DP bus 26 and the DP bus interface module 13, and compares it with the calibration data sent by the sixteen-channel digital output module 6: if the data are consistent, the sixteen-channel digital input module 16 to be inspected is assessed to be normal; otherwise, the sixteen-channel digital input module 16 to be inspected is assessed to be faulty; the computer 28 monitors and records the inspection process data and the result evaluation data.

[0024] 4. Inspection of thirty-two-channel digital input module: the inspection personnel use the computer 28 installed with the special inspection software to send the inspection instruction of the thirty-two-channel digital input module to the CPU module 3 through the network cable 27; the CPU module 3 sends the calibration data to the thirty-two-channel digital output module 7; the thirty-two-channel digital output module 7 converts the calibration data into digital signal output and sends it to the thirty-two-channel digital input module 17 to be tested through the digital input / digital output isolation module 23; the thirty-two-channel digital input module 17 to be tested converts the digital signal into the corresponding test data; the CPU module 3 collects the test data of the thirty-two-channel digital input module 17 to be tested through the DP bus 26 and the DP bus interface module 13, and compares it with the calibration data sent by the thirty-two-channel digital output module 7: if the data are consistent, the thirty-two-channel digital input module 17 to be tested is assessed to be normal; otherwise, the thirty-two-channel digital input module 17 to be tested is assessed to be faulty; the computer 28 monitors and records the inspection process data and result evaluation data.

[0025] 5. Inspection of sixteen-channel digital output module: the inspection personnel use the computer 28 installed with the special inspection software to send the inspection instruction of the sixteen-channel digital output module to the CPU module 3 through the network cable 27; the CPU module 3 sends the calibration data to the sixteen-channel digital output module 18 under inspection; the sixteen-channel digital output module 18 under inspection converts the calibration data into digital signal output and sends it to the sixteen-channel digital input module 8 through the digital input / digital output isolation module 24; the sixteen-channel digital input module 8 converts the digital signal into corresponding detection data; the CPU module 3 collects the detection data of the sixteen-channel digital input module 8 and compares it with the calibration data sent by the sixteen-channel digital output module 18 under inspection: if the data are consistent, the sixteen-channel digital output module 18 under inspection is assessed to be normal; otherwise, the sixteen-channel digital output module 18 under inspection is assessed to be faulty; the computer 28 monitors and records the inspection process data and the result evaluation data.

[0026] 6. Inspection of thirty-two-channel digital output module: the inspection personnel use the computer 28 installed with the special inspection software to send the inspection instruction of the thirty-two-channel digital output module to the CPU module 3 through the network cable 27; the CPU module 3 sends the calibration data to the thirty-two-channel digital output module 19 under inspection; the thirty-two-channel digital output module 19 under inspection converts the calibration data into digital signal output and sends it to the thirty-two-channel digital input module 9 through the digital input / digital output isolation module 25; the thirty-two-channel digital input module 9 converts the digital signal into corresponding detection data; the CPU module 3 collects the detection data of the thirty-two-channel digital input module 9 and compares it with the calibration data sent by the thirty-two-channel digital output module 19 under inspection: if the data are consistent, the thirty-two-channel digital output module 19 under inspection is assessed to be normal; otherwise, the thirty-two-channel digital output module 19 under inspection is assessed to be faulty; the computer 28 monitors and records the inspection process data and result evaluation data.

[0027] The parts not described in detail in this utility model are prior art.

Claims

1. An intelligent rapid inspection instrument, comprising a frame (1), a hot-swappable rack (10) and a computer (28), characterized in that: A power supply A (2) is provided on the frame (1), and a CPU module (3), a high-precision eight-channel analog output module (4), a high-precision eight-channel analog input module (5), a sixteen-channel digital output module (6), a thirty-two-channel digital output module (7), a sixteen-channel digital input module (8) and a thirty-two-channel digital input module (9) are also provided on the frame (1) in sequence and are powered by the power supply A (2). A hot-swappable bus module (11) is provided on the hot-swappable rack (10), and a power supply B (12) is provided on the hot-swappable bus module (11). The hot-swappable bus module (11) is also provided with a DP bus interface module (13), an eight-channel analog input module (14) to be detected, an eight-channel analog output module (15) to be detected, a sixteen-channel digital input module (16) to be detected, a thirty-two-channel digital input module (17) to be detected, a sixteen-channel digital output module (18) to be detected, and a thirty-two-channel digital output module (19) to be detected, and is powered by a power supply B (12). The CPU module (3) is connected to a computer (28) via an Ethernet cable (27). The CPU module (3) ) is connected to the DP bus interface module (13) via the DP bus (26); the high-precision eight-channel analog output module (4) is connected to the detected eight-channel analog input module (14) via the analog input / analog output high-precision isolation module A (20); the high-precision eight-channel analog input module (5) is connected to the detected eight-channel analog output module (15) via the analog input / analog output high-precision isolation module B (21); the sixteen-channel digital output module (6) is connected to the detected sixteen-channel digital output module (15) via the digital input / digital output isolation module A (22); The thirty-two-channel digital quantity input module (16) is connected to the thirty-two-channel digital quantity input module (17) to be detected through the digital quantity input / digital quantity output isolation module B (23), the sixteen-channel digital quantity input module (8) is connected to the sixteen-channel digital quantity output module (18) to be detected through the digital quantity input / digital quantity output isolation module C (24), and the thirty-two-channel digital quantity input module (9) is connected to the thirty-two-channel digital quantity output module (19) to be detected through the digital quantity input / digital quantity output isolation module D (25).

2. The intelligent rapid inspection instrument according to claim 1 is characterized in that: The hot-swap bus module (11) is arranged on the hot-swap rack (10).

3. The intelligent rapid inspection instrument according to claim 1 is characterized in that: The input voltage of power supply A (2) and power supply B (12) is 220VAC, and the output voltage of power supply A (2) and power supply B (12) is 24VDC.

4. The intelligent rapid inspection instrument according to claim 1 is characterized in that: The computer (28) is a desktop computer or a laptop computer.

5. The intelligent rapid inspection instrument according to claim 1 is characterized in that: The models of the high-precision eight-channel analog output module (4), the high-precision eight-channel analog input module (5), the sixteen-channel digital output module (6), the thirty-two-channel digital output module (7), the sixteen-channel digital input module (8) and the thirty-two-channel digital input module (9) are all input and output modules of the S7-1500 PLC.

6. The intelligent rapid inspection instrument according to claim 1 is characterized in that: The models of the tested eight-channel analog input module (14), the tested eight-channel analog output module (15), the tested sixteen-channel digital input module (16), the tested thirty-two-channel digital input module (17), the tested sixteen-channel digital output module (18) and the tested thirty-two-channel digital output module (19) are all input and output modules of S7-300PLC.

7. The intelligent rapid inspection instrument according to claim 1 is characterized in that: The models of analog input / analog output high-precision isolation module A (20) and analog input / analog output high-precision isolation module B (21) are both P+F KFD2-SCD2-Ex2.LK isolation barriers, and the models of digital input / digital output isolation module A (22), digital input / digital output isolation module B (23), digital input / digital output isolation module C (24) and digital input / digital output isolation module D (25) are all AAO HA-RM1AF16-24V relay modules.

8. The intelligent rapid inspection instrument according to claim 1 is characterized in that: The CPU module (3) is a 1516-3PN / DP module.

Images