DCS dual-redundancy power supply device
By employing a multi-level redundancy design for the DCS dual-redundant power supply device, the problem of power outages caused by power failures in the DCS system was solved, enabling continuous power supply, improving system reliability and stability, and ensuring normal production operations.
Patent Information
- Application Number
- CN202520358688.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Commonly used DCS systems employ a single-circuit power supply method, which can lead to system power outages when the external power supply is interrupted or malfunctions, affecting normal production operations and potentially causing safety accidents and economic losses.
The DCS adopts a dual-redundant power supply device, including first and second UPS systems, dual power switches and relays. Through multi-level redundancy design, the power supply is automatically switched in the event of a power failure, ensuring continuous power supply to the DCS system.
It improved the reliability and stability of the DCS system, reduced system downtime and failures, and ensured the normal operation of production.
Smart Images
Figure CN223583872U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of power supply systems, and particularly relates to a DCS dual-redundancy power supply device. BACKGROUND
[0002] DCS (Distributed Control System) is an industrial automation control system, which realizes monitoring and control of complex production processes through decentralized control units.
[0003] In a commonly used DCS system, a single-loop power supply mode is usually adopted, which is simple and convenient, but has a significant defect: once the external power supply is interrupted or fails, the entire DCS system will be powered off, resulting in overall power failure of the system. This situation not only causes the DCS control system to fail to operate normally, but also may cause the production process device to lose control, thereby causing a series of safety accidents and economic losses, and seriously affecting the normal operation of production. CONTENT OF THE INVENTION
[0004] To solve or partially solve the problems in the related art, the present application provides a DCS dual-redundancy power supply device, which can effectively guarantee the power supply of the DCS system and ensure the normal production.
[0005] The present application provides a DCS dual-redundancy power supply device, which comprises: a first UPS system, a first dual-power switch, a second UPS system, a second dual-power switch and a third dual-power switch.
[0006] The power input end of the first UPS system is electrically connected with the first commercial power, and the power output end of the first UPS system is electrically connected with one input end of the first dual-power switch.
[0007] The other input end of the first dual-power switch is electrically connected with the first commercial power.
[0008] The power input end of the second UPS system is electrically connected with the second commercial power, and the power output end of the second UPS system is electrically connected with one input end of the second dual-power switch.
[0009] The other input end of the second dual-power switch is electrically connected with the second commercial power.
[0010] The two input ends of the third dual-power switch are respectively electrically connected with the output ends of the first dual-power switch and the second dual-power switch, and the output end of the third dual-power switch is electrically connected with the DCS system, for supplying power to the DCS system.
[0011] Optionally, in some embodiments of the present application:
[0012] The first relay is electrically connected between the first dual power switch and the DCS system, so as to detect the on-off of the circuit.
[0013] The first relay is electrically connected between the first dual power switch and the DCS system, so as to detect the on-off of the circuit.
[0014] Optionally, in some embodiments of the present application:
[0015] The second relay is electrically connected between the second dual power switch and the DCS system, so as to detect the on-off of the circuit.
[0016] The second relay is electrically connected between the second dual power switch and the DCS system, so as to detect the on-off of the circuit.
[0017] Optionally, in some embodiments of the present application:
[0018] The first UPS system and the second UPS system are both connected with the first UPS alarm.
[0019] The technical scheme provided by the present application can include the following beneficial effects:
[0020] By setting the first UPS system, the first dual power switch, the second UPS system, the second dual power switch and the third dual power switch, the present application can establish a multi-level redundant power supply design, so that the DCS system can maintain continuous power supply under various power supply failure conditions, reduce system downtime or failure caused by power supply problems, significantly improve the reliability and stability of the system, and effectively guarantee the normal operation of production.
[0021] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS
[0022] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description of exemplary embodiments of the present application taken in conjunction with the accompanying drawings, in which like reference characters refer to the like parts throughout the several views.
[0023] Figure 1 is a connection structure schematic diagram of the DCS dual-redundant power supply device in the present application;
[0024] Figure 2 is a connection structure schematic diagram of the first relay and the second relay in the present application.
[0025] Reference signs: 1-first UPS system, 2-first dual power switch, 3-second UPS system, 4-second dual power switch, 5-third dual power switch, 6-first relay, 7-second relay, 8-first UPS alarm. Detailed Implementation
[0026] Embodiments of this application will now be described in more detail with reference to the accompanying drawings. While embodiments of this application are shown in the drawings, it should be understood that this application may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make this application more thorough and complete, and to fully convey the scope of this application to those skilled in the art.
[0027] It should be understood that although the terms "first," "second," "third," etc., may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0028] In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0029] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0030] In commonly used DCS systems, a single-loop power supply is typically employed. While this method is simple and convenient, it has a significant drawback: if the external power supply is interrupted or malfunctions, the entire DCS system will lose power, resulting in a complete system blackout. This situation not only prevents the DCS control system from operating normally but may also lead to the loss of control over production processes, causing a series of safety accidents and economic losses, and severely impacting normal production operations.
[0031] In view of the above problems, the embodiment of the present application provides a DCS dual-redundant power supply device, which can effectively guarantee the power supply of the DCS system and guarantee the normal production.
[0032] The technical solutions of the embodiment of the present application are described in detail below with reference to the drawings.
[0033] Figure 1 is a connection structure schematic diagram of the DCS dual-redundant power supply device in the present application;
[0034] Figure 2 is a connection structure schematic diagram of the first relay and the second relay in the present application.
[0035] Referring to Figures 1-2 A DCS dual-redundant power supply device, which comprises a first UPS system 1, a first dual-power switch 2, a second UPS system 3, a second dual-power switch 4 and a third dual-power switch 5.
[0036] The power input end of the first UPS system 1 is electrically connected with the first commercial power, and the power output end of the first UPS system 1 is electrically connected with one input end of the first dual-power switch 2.
[0037] The other input end of the first dual-power switch 2 is electrically connected with the first commercial power.
[0038] In the embodiment, the first UPS system 1 is connected with the first dual-power switch 2, when the first commercial power normally supplies power, the first dual-power switch 2 supplies power through the first commercial power, when the first commercial power is interrupted, the first dual-power switch 2 can automatically switch to the first UPS system 1 to supply power, thereby effectively guaranteeing the normal power supply in the case of first commercial power failure.
[0039] The power input end of the second UPS system 3 is electrically connected with the second commercial power, and the power output end of the second UPS system 3 is electrically connected with one input end of the second dual-power switch 4.
[0040] The other input end of the second dual-power switch 4 is electrically connected with the second commercial power.
[0041] In the embodiment, the second UPS system 3 is connected with the second dual-power switch 4, when the second commercial power normally supplies power, the second dual-power switch 4 supplies power through the second commercial power, when the second commercial power is interrupted, the second dual-power switch 4 can automatically switch to the second UPS system 3 to supply power, thereby effectively guaranteeing the normal power supply in the case of second commercial power failure.
[0042] The two input ends of the third dual power switch 5 are electrically connected between the output ends of the first dual power switch 2 and the second dual power switch 4, and the output end of the third dual power switch 5 is electrically connected with the DCS system, for supplying power to the DCS system.
[0043] In the embodiment, by setting the third power switch:
[0044] 1. When the first commercial power is normally supplied, the third power switch supplies power to the DCS system through the first commercial power;
[0045] 2. When the first commercial power is interrupted, the third power switch supplies power to the DCS system through the first UPS system 1;
[0046] 3. When the first commercial power is interrupted and the first UPS system 1 fails, the third power switch can automatically switch to supply power to the DCS system through the second commercial power;
[0047] 4. When the first commercial power is interrupted, the first UPS system 1 fails, and the second commercial power is interrupted, the third power switch supplies power to the DCS system through the second UPS system 3.
[0048] In the embodiment, through the multi-level redundant power supply design, the DCS system can maintain continuous power supply under various power failure conditions, reduce system downtime or failure caused by power supply problems, significantly improve the reliability and stability of the system, and effectively ensure the normal operation of production.
[0049] Specifically, the first relay 6 is arranged on the circuit connected between the first dual power switch 2 and the first commercial power;
[0050] The first relay 6 is electrically connected with the DCS system to detect the on-off of the circuit.
[0051] In the embodiment, by installing the first relay 6 in the circuit between the first dual power switch 2 and the first commercial power, the power supply state of the first commercial power can be monitored, and when the first relay 6 detects that the first commercial power fails, the DCS system can immediately start the corresponding fault response mechanism, such as sending alarm information, etc., for subsequent maintenance and inspection work.
[0052] Specifically, the second relay 7 is arranged on the circuit connected between the second dual power switch 4 and the second commercial power;
[0053] The second relay 7 is electrically connected with the DCS system to detect the on-off of the circuit.
[0054] In this embodiment, by installing the second relay 7 in the circuit between the second dual power switch 4 and the second mains, the power supply state of the second mains can be monitored, and when the second relay 7 detects a failure of the second mains, the DCS system can immediately start the corresponding failure response mechanism, for example, send an alarm message, etc., so as to carry out subsequent maintenance and inspection work.
[0055] Specifically: the first UPS system 1 and the second UPS system 3 are both connected with the first UPS alarm 8.
[0056] In this embodiment, by connecting the first UPS alarm 8 on the first UPS system 1 and the second UPS system 3, the failure monitoring and rapid response of the UPS system can be realized.
[0057] The technical solutions in the embodiments of the present application have the following beneficial effects:
[0058] By setting the first UPS system 1, the first dual power switch 2, the second UPS system 3, the second dual power switch 4 and the third dual power switch 5, a multi-level redundant power supply design can be established, so that the DCS system can maintain continuous power supply under various power supply failure conditions, reducing system downtime or failure caused by power supply problems, significantly improving the reliability and stability of the system, and effectively ensuring the normal operation of production.
[0059] Finally, it should be noted that in this document, relationships such as first and second, and the like, are merely used to distinguish one entity or action from another, and do not necessarily require or imply any such actual relationship or order between entities or actions. In addition, the terms include, include or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such a process, method, article or equipment.
[0060] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, i.e. they can be located in one place, or distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiments of the present application.
[0061] In addition, the functional units in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of software functional unit.
[0062] Having described various embodiments of the application, the foregoing description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations of the described embodiments are possible in light of the above teachings. The choice of words in this document is intended to convey the best of the applicant's current knowledge of the principles, practical applications, and improvements to the art that have been made by the inventor and the applicant.
Claims
1. A DCS dual redundant power supply device, characterized by, The power supply device comprises a first UPS system (1), a first double power switch (2), a second UPS system (3), a second double power switch (4) and a third double power switch (5); The power supply input end of the first UPS system (1) is electrically connected with the first commercial power, and the power supply output end of the first UPS system (1) is electrically connected with one input end of the first double power switch (2); The other input end of the first double power switch (2) is electrically connected with the first commercial power; The power supply input end of the second UPS system (3) is electrically connected with the second commercial power, and the power supply output end of the second UPS system (3) is electrically connected with one input end of the second double power switch (4); The other input end of the second double power switch (4) is electrically connected with the second commercial power; The two input ends of the third double power switch (5) are respectively electrically connected with the output ends of the first double power switch (2) and the second double power switch (4), and the output end of the third double power switch (5) is electrically connected with the DCS system, for supplying power to the DCS system.
2. The power supply device of the DCS double redundancy according to claim 1, wherein: The first relay (6) is arranged on the circuit connected between the first double power switch (2) and the first commercial power; The first relay (6) is electrically connected with the DCS system, for detecting the on-off of the circuit.
3. The power supply device of the DCS double redundancy according to claim 2, wherein: The second relay (7) is arranged on the circuit connected between the second double power switch (4) and the second commercial power; The second relay (7) is electrically connected with the DCS system, for detecting the on-off of the circuit.
4. The power supply device of the DCS double redundancy according to claim 3, wherein: The first UPS alarm (8) is connected to the first UPS system (1) and the second UPS system (3).