Intelligent monitoring equipment for electrolytic cell

Abstract

The utility model discloses intelligent monitoring equipment for an electrolytic bath, which relates to the field of intelligent monitoring of the electrolytic bath and comprises an explosion-proof case and a clamping strip fixed on the inner wall of the explosion-proof case, a power supply module, a communication module, an I / O (input / output) module and a back plate module are clamped on the clamping strip, and the back plate module is embedded in the clamping strip. A plurality of wire sealing pipes are fixedly embedded in the bottom end of the anti-explosion case, a plurality of wire positioning pipes are embedded in the anti-explosion case, and cables connected with the power module, the communication module, the I / O module and the backboard module are embedded in the wire sealing pipes and the wire positioning pipes. According to the utility model, the pole plate of each small electrolysis chamber of the electrolytic cell is connected to the acquisition module by the prefabricated cable, and data is processed by the acquisition module and then is transmitted to the data server in a safe area by the communication module, so that the data is stored and analyzed in the data server.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic cell intelligent monitoring field, concretely is electrolytic cell intelligent monitoring equipment. BACKGROUND

[0002] In the field of hydrogen production by water electrolysis, the cell voltage of the electrolytic cell reflects the working state of the electrolytic cell, and abnormal cell voltage usually causes safety problems. The electrolytic cell intelligent monitoring equipment can monitor the cell voltage in real time and ensure the safe operation of the hydrogen production equipment.

[0003] There are many types of electrolytic cells on the market, and the number of cells measured is also different. There is an urgent need for electrolytic cell intelligent monitoring equipment that can adapt to different types of electrolytic cells and accurately monitor a large amount of data.

[0004] After the number of cells increases, the common-mode voltage accumulates continuously, and ordinary measuring instruments cannot resist higher common-mode voltage, which will generate a large interference signal, causing inaccurate measurement results. Utility model content

[0005] Therefore, the utility model discloses an electrolytic cell intelligent monitoring equipment to solve the technical problem that after the number of cells increases, the common-mode voltage accumulates continuously, and ordinary measuring instruments cannot resist higher common-mode voltage, which will generate a large interference signal, causing inaccurate measurement results.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: the VAAS electrolytic cell intelligent monitoring equipment, including the explosion -proof machine case and the clamping strip fixed in the inner wall of the explosion -proof machine case, the clamping strip is installed with power module, communication module, I / O module and backboard module, the backboard module is inlayed in the clamping strip, the bottom end of the explosion -proof machine case is inlayed and fixed with a plurality of wire sealing pipes, and a plurality of wire positioning pipes are inlayed in the explosion -proof machine case, the wire sealing pipe and the wire positioning pipe are inlayed with cables connected with power module, communication module, I / O module and backboard module respectively.

[0007] The utility model further sets up, the outer wall both sides of the explosion -proof machine case are fixed with mounting plate, mounting hole is set up on the mounting plate.

[0008] The utility model further sets up, the outer wall of the explosion -proof machine case is installed with sealing door, power indicator light is installed on the sealing door.

[0009] The utility model further sets up, the side wall of the sealing door is installed with handle, and the sealing door is provided with fastening bolt in the explosion -proof machine case in the form of rectangular array.

[0010] The utility model further sets up, the explosion -proof machine case is the front end of electrolytic cell intelligent monitoring equipment, one side of the front end of electrolytic cell intelligent monitoring equipment is provided with electrolytic cell main part.

[0011] The utility model further sets up, electrolytic cell main part fixed installation has a plurality of on -the -spot wiring adapter box, and electrolytic cell main part's both ends all are fixed with installation screw rod, on -the -spot wiring adapter box is provided with voltage acquisition module (QVM16), (4 ~ 20mA) analog quantity input module, RTD temperature acquisition module (QRTD4) and digital quantity input output module (QDIO16).

[0012] The utility model further sets up, the bottom end of on -the -spot wiring adapter box is installed with prefabricated cable, a plurality of prefabricated cable passes through electrolytic cell main part's one end and is connected with electrolytic cell intelligent monitoring equipment front end.

[0013] In conclusion, the utility model mainly has the following beneficial effects: the utility model discloses an electrolytic cell intelligent monitoring equipment, including the communication module (QVM16) of setting, power module (QPWRW10), backboard module (QBUS) and voltage acquisition module (QVM16), (4 ~ 20mA) analog quantity input module, RTD temperature acquisition module (QRTD4), digital quantity input output module (QDIO16), and the polar plate of each electrolytic cell of electrolytic cell is connected to the acquisition module through prefabricated cable, data is transmitted to the data server of safe area by communication module after being handled by acquisition module, realizes the storage and analysis processing of data in data server, and also can be shown on the host computer or touch screen, also can be shown on PLC or DCS by standard communication protocol transmission, is used for realizing the real -time monitoring of electrolytic cell cell voltage, solves the problems such as measurement safety, measurement precision, measurement cost and adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic diagram of the utility model;

[0015] Figure 2 It is the explosion -proof machine case structure schematic diagram of the utility model;

[0016] Figure 3 It is the structure schematic diagram of electrolytic cell main part of the utility model;

[0017] Figure 4 It is the internal structure schematic diagram of electrolytic cell main part of the utility model.

[0018] In the diagram: 1. Power module; 2. Explosion-proof enclosure; 3. Communication module; 4. I / O module; 5. Backplane module; 6. Wire positioning tube; 7. Mounting plate; 8. Wire sealing tube; 9. Mounting hole; 10. Clip; 11. Sealing door; 12. Handle; 13. Power indicator light; 14. Fastening bolt; 15. Electrolytic cell body; 16. Front end of intelligent monitoring equipment for electrolytic cell; 17. Mounting screw; 18. Prefabricated cable; 19. Field wiring adapter box. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0020] Intelligent monitoring equipment for electrolytic cells, such as Figures 1-4 As shown, the device includes an explosion-proof enclosure 2 and a retaining strip 10 fixed to the inner wall of the explosion-proof enclosure 2. A power module 1, a communication module 3, an I / O module 4, and a backplane module 5 are snapped onto the retaining strip 10. The backplane module 5 is embedded in the retaining strip 10. Multiple wire sealing tubes 8 are embedded and fixed at the bottom of the explosion-proof enclosure 2, and multiple wire positioning tubes 6 are embedded in the explosion-proof enclosure 2. Cables that are respectively connected to the power module 1, the communication module 3, the I / O module 4, and the backplane module 5 are embedded in the wire sealing tubes 8 and the wire positioning tubes 6.

[0021] Mounting plates 7 are fixed on both sides of the outer wall of the explosion-proof enclosure 2. Mounting plates 7 have mounting holes 9. A sealing door 11 is installed on the outer wall of the explosion-proof enclosure 2. A power indicator light 13 is installed on the sealing door 11. A handle 12 is installed on the side wall of the sealing door 11. The sealing door 11 is provided with a rectangular array of threaded fastening bolts 14 that are inserted into the explosion-proof enclosure 2. The explosion-proof enclosure 2 is the front end 16 of the intelligent monitoring equipment for the electrolytic cell. The main body of the electrolytic cell 15 is provided on one side of the front end 16 of the intelligent monitoring equipment for the electrolytic cell.

[0022] Further, a plurality of field wiring adapter boxes 19 are fixedly installed in the electrolytic cell body 15, and mounting screws 17 are fixedly installed at both ends of the electrolytic cell body 15, the field wiring adapter boxes 19 are provided with a voltage acquisition module (QVM16), an analog input module (4-20mA), an RTD temperature acquisition module (QRTD4), and a digital input and output module (QDIO16), a prefabricated cable 18 is installed at the bottom end of the field wiring adapter box 19, a plurality of prefabricated cables 18 pass through one end of the electrolytic cell body 15 and are connected with the front end 16 of the electrolytic cell intelligent monitoring device, the prefabricated cable 18 connects the electrode plate of each electrolytic cell of the electrolytic cell to the acquisition module, after the data is processed by the acquisition module, the data is transmitted to the data server in the safe area by the communication module, the storage and analysis processing of the data in the data server are realized, and the data can be displayed on the upper computer or the touch screen, or can be transmitted to the PLC or DCS for display through the standard communication protocol, so as to realize real-time monitoring of the electrolytic cell voltage, and solve the problems of safety, measurement accuracy, measurement cost, adaptability and the like.

[0023] The working principle of the utility model is: the number of small rooms to be measured and the IP address used for communication are obtained in advance, special configuration software is used to set the module, including the configuration of Ethernet communication, AD acquisition and filtering; the electrolytic cell intelligent monitoring system forms a large-scale monitoring system through backplane bus technology; the monitoring system can also configure the number of acquisition modules according to the actual number of electrolytic small rooms of each electrolytic cell, so as to adapt to the voltage monitoring requirements of different models and different numbers, and has scalability and flexibility.

[0024] The electrode plate of the measured electrolytic cell small room is sequentially connected to the voltage acquisition module through the prefabricated cable 18, and each small room is connected to the corresponding cable. The acquisition mode designed by using the prefabricated cable 18 and the connector greatly reduces the wiring in the cabinet and saves the cost; the voltage acquisition module is the core module of the electrolytic cell small room, directly acquires the voltage signal of the electrolytic cell small room, and converts the original analog voltage signal into a digital signal through analog-digital conversion. In the conversion process, the QVM16 module first filters out the common-mode voltage and extracts the accurate differential-mode voltage signal, and simultaneously performs analog-digital conversion and complete isolation. This design eliminates the influence of voltage fluctuation of any channel on other channels and realizes the safety isolation between each channel;

[0025] The acquisition system adopts high-precision sampling technology and can capture subtle voltage fluctuations to acquire accurate real-time voltage. The acquisition system has high-voltage isolation and high common-mode voltage bearing capacity, and the isolation voltage of the voltage acquisition module is as high as 2500V, which can ensure the safety and accuracy of small room voltage acquisition in the environment of 1000V or above AC common-mode voltage input;

[0026] The acquisition module is internally provided with intelligent data acquisition and processing chip, which can quickly and accurately process and analyze the collected voltage signal, store the data in specific register, realize the docking with data server, upper computer or touch screen through communication module, perform real-time analysis of state data, and also can transmit the data to PLC / DCS;

[0027] The acquisition module also has fault self-diagnosis function, when the module or system has fault, can automatically store fault code and data, upload the alarm information to PLC / upper computer;

[0028] In the upper computer, according to the requirement, the corresponding program can be configured, so that the real-time data display, data curve record, data abnormal alarm, system fault protection and other functions can be realized, so as to meet the operation safety requirement. The matched upper computer software has intuitive user interface and convenient operation function, and the user can easily check, analyze and manage the data.

[0029] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structure, material or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and variation without creative contribution to the embodiments according to the need after reading the specification without departing from the principle and purpose of the utility model, but as long as in the patent right claim range of the utility model, it is protected by the patent law.

Claims

1. An intelligent monitoring device for electrolytic cell, comprising an explosion-proof cabinet (2) and a clamping strip (10) fixed on the inner wall of the explosion-proof cabinet (2), characterized in that: The card strip (10) is provided with a power module (1), a communication module (3), an I / O module (4) and a backboard module (5) which are connected to each other, the backboard module (5) is embedded in the card strip (10), the bottom end of the explosion-proof case (2) is embedded with a plurality of wire sealing pipes (8), and the explosion-proof case (2) is embedded with a plurality of wire positioning pipes (6), the wire sealing pipes (8) and the wire positioning pipes (6) are embedded with cables connected to the power module (1), the communication module (3), the I / O module (4) and the backboard module (5) respectively.

2. The electrolyzer intelligent monitoring device of claim 1, wherein: The outer wall of the explosion-proof case (2) is fixed with a mounting plate (7) on both sides, and the mounting plate (7) is provided with a mounting hole (9).

3. The electrolyzer intelligent monitoring device of claim 1, wherein: The outer wall of the explosion-proof case (2) is provided with a sealing door (11), and the sealing door (11) is provided with a power indicator light (13).

4. The electrolytic cell intelligent monitoring device according to claim 3, characterized in that: The side wall of the sealing door (11) is provided with a handle (12), and the sealing door (11) is provided with a plurality of fastening bolts (14) which are screwed into the explosion-proof case (2) in a rectangular array.

5. The electrolyzer smart monitoring device of claim 1, wherein: The explosion-proof case (2) is an electrolytic tank intelligent monitoring equipment front end (16), and one side of the electrolytic tank intelligent monitoring equipment front end (16) is provided with an electrolytic tank main body (15).

6. The electrolytic cell intelligent monitoring device according to claim 5, characterized in that: A plurality of field wiring adapter boxes (19) are fixedly installed in the electrolytic tank main body (15), and the electrolytic tank main body (15) is fixedly provided with mounting screws (17) at both ends, and the field wiring adapter boxes (19) are provided with a voltage acquisition module QVM16, a 4-20mA analog input module, an RTD temperature acquisition module QRTD4 and a digital input and output module QDIO16.

7. The electrolytic cell intelligent monitoring device of claim 6, wherein: The bottom end of the field wiring adapter box (19) is provided with a prefabricated cable (18), and a plurality of prefabricated cables (18) pass through one end of the electrolytic tank main body (15) and are connected to the electrolytic tank intelligent monitoring equipment front end (16).

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