An extended valve island based on bus communication technology

Abstract

The present invention relates to the technical field of bus valve islands, and discloses an extended valve island based on bus communication technology, including a communication adapter, an extension module assembly, a solenoid valve plate and a bus communication module, wherein the extension module assembly includes a first input-output module, a multi-pin extension module and a second input-output module, and a valve control and power supply module is provided on one side of the second input-output module. The present invention improves the scalability, and can expand up to 64 groups of I / O modules on the bus valve island body, thereby increasing the operating load, bringing higher installation efficiency, and a more efficient space utilization solution, integrating and optimizing the conventional solenoid valve single control or solenoid valve group control mode into a bus valve island, and can control the travel action of multiple solenoid valves on a bus valve island, thereby realizing a high-efficiency control solution for the solenoid valve.

Description

Technical Field

[0001] The invention relates to the technical field of bus valve islands, and in particular to an extended valve island based on bus communication technology. Background Art

[0002] A valve island is a control component composed of multiple electric control valves. It integrates signal input / output and signal control, just like a control island. The valve island is a new generation of gas-electric integrated control component. It has developed from the original valve island with a multi-pin interface to a valve island with a field bus, followed by programmable valve islands and modular valve islands. The combination of valve island technology and field bus technology not only ensures easy wiring of electric control valves, but also greatly simplifies the debugging, performance testing, diagnosis and maintenance of complex systems. With the help of the high-level integrated information system of the field bus, the advantages of both can be fully utilized, and it has broad application prospects.

[0003] However, most of the current fieldbus valve island products are of integrated design and cannot be additionally configured with I / O and bus protocols. They can only be customized according to demand, and the customized production cycle is long, which cannot meet the actual delivery requirements of customers. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides an expandable valve island based on bus communication technology, which is mainly used to solve the problem that most of the existing field bus valve island products are of integrated design and cannot be additionally configured with I / O and bus protocol modules. They can only be customized according to demand, and the customized production cycle is long and cannot meet the actual delivery requirements of customers.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] An expandable valve island based on bus communication technology includes a communication adapter, an expansion module assembly, and a solenoid valve plate. The expansion module assembly includes a first input-output module, a multi-pin expansion module, and a second input-output module. A valve control and power supply module is provided on one side of the second input-output module. The valve control and power supply module is modularly designed and includes two groups of 24V DC power supply interfaces on the front. Studs are provided on one side of the communication adapter and the valve control and power supply module, and the communication adapter and the valve control and power supply module are fixedly connected by side studs. Multiple wiring holes are provided on one side of the first input-output module and the second input-output module.

[0009] As a further solution of the present invention, one side of the communication adapter and the valve control and power supply module are fixedly connected to a positioning plate, and one side of the positioning plate is provided with a plurality of positioning holes.

[0010] Furthermore, both sides of the solenoid valve plate are fixedly connected to a busbar mounting plate, and a plurality of mounting holes are opened on one side of the busbar mounting plate.

[0011] On the basis of the above-mentioned solution, a plurality of solenoid valve air pipe connectors are provided at the bottom of the solenoid valve plate, and two solenoid valve mufflers are fixedly connected to the bottom of the solenoid valve plate.

[0012] In a further solution of the present invention, a plurality of solenoid valve output channel indicator lights are provided on one side of the solenoid valve plate, and a plurality of prompt indicator lights are provided on one side of the communication adapter, the prompt indicator lights include a system indicator light, an operation indicator light, a system fault indicator light and two communication interface indicator lights, wherein:

[0013] The system prompt light flashes green once a second when the system is normal;

[0014] Operation indicator light, which lights up green when the system is operating normally;

[0015] System fault indicator light, lights up in red when the system fails;

[0016] The communication interface indicator lights up green when there is a network connection.

[0017] Furthermore, the communication adapter supports multiple communication protocols, including EtherCAT, PROFINET, DeviceNET, CC-Link, CC-Link IE Field Basic, Modbus RTU, CANopen, and EtherNet / IP.

[0018] On the basis of the above-mentioned scheme, the bus communication module adopts a communication processing chip to communicate with the I / O module and the valve control module through the bottom high-speed LVDS bus.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the present invention provides an extended valve island based on bus communication technology, which has the following beneficial effects:

[0021] 1. The present invention can improve scalability through the design of the expansion module assembly. Up to 64 groups of I / O modules can be expanded on the bus valve island body to increase the operating load. The valve control and power supply modules are modularly designed and can be removed separately to provide power supply. The front side includes two groups of 24V DC power supply interfaces.

[0022] 2. The bus valve island in the present invention can bring higher installation efficiency, more stable operation status, and more efficient space utilization solutions. The communication adapter includes a variety of standard models and can be mass-produced, which shortens the production cycle and reduces the process difficulty.

[0023] 3. The present invention can integrate and optimize the conventional solenoid valve single control or solenoid valve group control mode into a bus valve island through the design of multiple solenoid valve connecting plugs with the cooperation of the solenoid valve valve plate, and can control the stroke action of multiple solenoid valves on one bus valve island, so as to provide a more efficient control solution for the solenoid valve.

[0024] 4. The present invention supports a wide variety of expansions, is compatible with various bus protocols, and can be connected to main controllers of different brands by replacing communication adapters.

[0025] 5. The bus communication module in the present invention adopts a communication processing chip to communicate with the I / O module and the valve control module through the bottom high-speed LVDS bus, thereby realizing a high-speed parallel processing system. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the three-dimensional structure of an extended valve island based on bus communication technology proposed by the present invention;

[0027] Figure 2 This is a schematic diagram of the main structure of an extended valve island based on bus communication technology proposed by the present invention;

[0028] Figure 3 This is a left-side structural schematic diagram of an extended valve island based on bus communication technology proposed by the present invention;

[0029] Figure 4 This is a schematic diagram of the circuit structure of a right-view driving module of an extended valve island based on bus communication technology proposed by the present invention;

[0030] Figure 5 This is a schematic diagram of the top structure of an expandable valve island based on bus communication technology proposed by the present invention.

[0031] In the figure: 1. Communication adapter; 2. First input / output module; 3. Multi-pin extension module; 4. Second input / output module; 5. Valve control and power module; 6. Solenoid valve output channel indicator light; 7. Solenoid valve plate; 8. Positioning plate; 9. Solenoid valve air pipe connector; 10. Bus mounting plate; 11. Extension module assembly; 12. Wiring hole; 13. Solenoid valve muffler. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Reference Figure 1-5 , an expandable valve island based on bus communication technology, including a communication adapter 1, an expansion module assembly 11, a solenoid valve plate 7 and a bus communication module, the expansion module assembly 11 includes a first input-output module 2, a multi-pin expansion module 3 and a second input-output module 4, the configuration of the expansion module assembly 11 can improve the scalability, and up to 64 groups of I / O modules can be expanded on the bus valve island body to increase the operating load, a valve control and power supply module 5 is provided on one side of the second input-output module 4, the valve control and power supply module 5 is modularly designed, can be removed separately, and provides power supply, and the front side includes two groups of 24V DC power supply interfaces, studs are provided on one side of the communication adapter 1 and the valve control and power supply module 5, and the communication adapter 1 and the valve control and power supply module 5 are fixedly connected by side studs, a plurality of wiring holes 12 are provided on one side of the first input-output module 2 and the second input-output module 4, the bus valve island can bring higher installation efficiency, more stable operating state, and more efficient space utilization scheme, the communication adapter 1 includes a variety of standard models, can be mass-produced, shortens the production cycle, and reduces the process difficulty.

[0034] In the present invention, a positioning plate 8 is fixed to one side of the communication adapter 1 and the valve control and power module 5 through studs, and a plurality of positioning holes are opened on one side of the positioning plate 8 for installation and fixation. A bus mounting plate 10 is fixed to both sides of the solenoid valve disc 7 through studs, and a plurality of mounting holes are opened on one side of the bus mounting plate 10 for installation and fixation. The bus mounting plate 10 and the positioning plate 8 are fixed through studs. A plurality of solenoid valve air pipe connectors 9 are provided at the bottom of the solenoid valve disc 7, and two solenoid valve mufflers 13 are fixed to the bottom of the solenoid valve disc 7 through studs. Through the arrangement of multiple solenoid valve air pipe connectors 9, the conventional solenoid valve single control or solenoid valve group control mode can be integrated and optimized into a bus valve island under the cooperation of the solenoid valve valve plate 7, and the stroke action of multiple solenoid valves can be controlled on one bus valve island. In order to provide a more efficient control solution for the solenoid valve, one side of the solenoid valve valve plate 7 is provided with multiple solenoid valve output channel indicator lights 6, and one side of the communication adapter 1 is provided with multiple prompt indicator lights, which include a system indicator light, an operation indicator light, a system fault indicator light and two communication interface indicator lights, among which:

[0035] The system prompt light flashes green once a second when the system is normal;

[0036] Operation indicator light, which lights up green when the system is operating normally;

[0037] System fault indicator light, lights up in red when the system fails;

[0038] The communication interface indicator lights up green when there is a network connection.

[0039] It should be noted that the communication adapter 1 supports multiple communication protocols, including EtherCAT, PROFINET, DeviceNET, CC-Link, CC-Link IE Field Basic, Modbus RTU:, CANopen, and EtherNet / IP. It supports a wide range of extensions and is compatible with various bus protocols. It can connect to main controllers of different brands by replacing the communication adapter. The bus communication module uses a communication processing chip and communicates with the I / O module and valve control module through the bottom high-speed LVDS bus, thereby realizing a high-speed parallel processing system.

[0040] Working principle: The bus valve island is a product that integrates and optimizes the conventional solenoid valve single control or solenoid valve group control mode into a bus valve island. It can control the stroke action of multiple solenoid valves on a bus valve island, so as to provide a more efficient control solution for the solenoid valve. When in use, 64 groups of I / O modules can be expanded on the bus valve island body according to different needs to increase the operating load. When working, power is provided by the valve control and power supply module 5. The communication adapter 1 includes a variety of standard models and can be mass-produced, which shortens the production cycle and reduces the process difficulty. When it is necessary to control the stroke action of multiple solenoid valves, the conventional solenoid valve single control or solenoid valve group control mode is integrated and optimized into a bus valve island with the cooperation of the solenoid valve plate 7. It can control the stroke action of multiple solenoid valves on a bus valve island, so as to provide a more efficient control solution for the solenoid valve. The bus communication module adopts a communication processing chip, and communicates with the I / O module and the valve control module through the bottom high-speed LVDS bus, thereby realizing a high-speed parallel processing system.

[0041] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An expandable valve island based on bus communication technology, comprising a communication adapter (1), an expansion module assembly (11), a solenoid valve plate (7) and a bus communication module, characterized in that: The expansion module assembly (11) comprises a first input / output module (2), a multi-pin expansion module (3) and a second input / output module (4); a valve control and power supply module (5) is provided on one side of the second input / output module (4); the valve control and power supply module (5) is modularly designed and comprises two sets of 24V DC power supply interfaces on the front; a stud is provided on one side of the communication adapter (1) and the valve control and power supply module (5); and the communication adapter (1) and the valve control and power supply module (5) are fixedly connected to each other via side studs; a plurality of wiring holes (12) are provided on one side of the first input / output module (2) and the second input / output module (4); a plurality of solenoid valve air pipe connectors (9) are provided on the bottom of the solenoid valve disc (7); and two solenoid valve mufflers (13) are fixedly connected to the bottom of the solenoid valve disc (7); a plurality of solenoid valve output channel indicator lights (6) are provided on one side of the solenoid valve disc (7); and a plurality of prompt indicator lights are provided on one side of the communication adapter (1); the prompt indicator lights comprise a system indicator light, an operation indicator light, a system fault indicator light and two communication interface indicator lights, wherein: The system prompt light flashes green once a second when the system is normal; Operation indicator light, which lights up green when the system is operating normally; System fault indicator light, lights up in red when the system fails; The communication interface indicator lights up green when there is a network connection; The communication adapter (1) supports multiple communication protocols, including EtherCAT, PROFINET, DeviceNET, CC-Link, CC-Link IEField Basic, Modbus RTU, CANopen, and EtherNet / IP; The bus communication module adopts a communication processing chip and communicates with the I / O module and the valve control module through the bottom high-speed LVDS bus.

2. The expandable valve island based on bus communication technology according to claim 1, characterized in that: One side of the communication adapter (1) and the valve control and power supply module (5) are both fixedly connected to a positioning plate (8), and one side of the positioning plate (8) is provided with a plurality of positioning holes.

3. The expandable valve island based on bus communication technology according to claim 2 is characterized in that: Both sides of the solenoid valve plate (7) are fixedly connected to a busbar mounting plate (10), and one side of the busbar mounting plate (10) is provided with a plurality of mounting holes.

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