CN221225384U - DCS remote pump room control system applying 5G wireless technology - Google Patents
DCS remote pump room control system applying 5G wireless technology Download PDFInfo
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- CN221225384U CN221225384U CN202323351585.5U CN202323351585U CN221225384U CN 221225384 U CN221225384 U CN 221225384U CN 202323351585 U CN202323351585 U CN 202323351585U CN 221225384 U CN221225384 U CN 221225384U
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Abstract
The DCS remote pump room control system is characterized in that the DCS remote pump room control system applying the 5G wireless technology and the remote water source area pump room DCS control system and the in-field booster pump room DCS control system are connected with a cloud data server through a 5G wireless network, and the cloud data server is respectively connected with a centralized control center operator station and a centralized control center engineer station through an industrial Ethernet switch; the remote water source site pump room DCS control system comprises an in-situ instrument control device arranged in an out-of-plant water source site water taking pump room, and the in-situ instrument control device transmits signals to the out-of-plant water source site water taking pump room DCS control cabinet through a signal cable; the in-situ booster pump room DCS control system comprises in-factory local instrument control equipment and a water inlet tank remote transmission liquid level meter which are arranged in the in-factory booster pump room, and the in-factory local instrument control equipment and the water inlet tank remote transmission liquid level meter are used for transmitting signals to a booster pump room DCS control cabinet through signal cables. The utility model can improve the automation level of the auxiliary workshop of the power plant and can also save the capital construction and operation and maintenance costs.
Description
Technical Field
The utility model belongs to a DCS remote control system, which adopts a 5G wireless transmission technology to realize remote centralized monitoring and linkage control of a water taking pump room of a remote water source area and a boosting pump room in a factory. The utility model is mainly applied to remote pump room monitoring such as a water taking pump room of a water source area of a thermal power plant or other industrial fields needing remote monitoring.
Background
There are scenarios in thermal power plants where communication to remote devices/workshops is required, such as water pump houses at water sources. In such a scenario, because the corresponding workshops are far away from the factory for several kilometers or even tens of kilometers, the optical fiber communication wiring is difficult, the engineering implementation is difficult, and the cost is too high, the remote monitoring cannot be performed in a remote centralized control center due to the adoption of an in-situ manual control mode or an in-situ PLC control mode, and the operation and maintenance outsourcing is required or the power plant staff is required to regularly run to the site for maintenance. In order to solve the problem, an improved control scheme adopting a wireless transmission mode is also adopted in engineering, but the wireless transmission technologies such as 3G/4G and the like cannot meet the requirements of real-time control in terms of transmission speed and stability, so that the monitoring in a remote centralized control center can be realized, and the real-time control effect is poor.
On the other hand, DCS control is commonly adopted in a thermal power plant, and along with continuous improvement of automation and informatization levels of the whole plant, DCS integration of the whole plant becomes a main technical scheme. The PLC system of the water taking pump house and the DCS of the water source outside the factory belong to different types of control systems, and the restriction of barriers and distances among the systems effectively ensures that two workshops related in the process are not integrated in one control, so that remote monitoring is not convenient, and linkage control among the systems is not realized. For example, when the water inlet pool of the booster pump house in the factory is full of water, the water pump house control system in the external water source area cannot receive the information, and the water pump and the corresponding valve to be shut down need to be manually notified to the external commission operation and maintenance manager of the water pump house in the external water source area. Obviously, this situation is not conducive to improving the automation level of auxiliary workshops of a power plant, and various control systems are also not convenient for simplifying spare parts, reducing training and operation and maintenance management costs.
The 5G wireless communication technology has the characteristics of large bandwidth, low delay and high reliability, the transmission delay is less than 1ms, and the transmission bandwidth is greater than 100M-5 Gbps. Along with the maturation of 5G technology and the continuous improvement of 5G network coverage area in China, the research of the 5G+DCS control system realizes the remote monitoring and the linkage monitoring of pump rooms inside and outside a factory, and has great engineering value.
Disclosure of utility model
The utility model aims to solve the technical problems that: the utility model mainly solves the problems that the real-time monitoring of a water taking pump room of a remote water source area of a thermal power plant is difficult, and the linkage control of the water taking pump room and a boosting pump room in the thermal power plant is absent, and improves the automation level of an auxiliary pump room of the thermal power plant.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The DCS remote pump room control system comprises a remote water source site pump room DCS control system and an in-site booster pump room DCS control system, wherein the remote water source site pump room DCS control system and the in-site booster pump room DCS control system are connected with a cloud data server through a 5G wireless network, and the cloud data server is respectively connected with a centralized control center operator station and a centralized control center engineer station through an industrial Ethernet switch;
The remote water source site water pump room DCS control system comprises an in-situ instrument control device arranged in an out-of-plant water source site water pump room, wherein the in-situ instrument control device transmits signals to an out-of-plant water source site water pump room DCS control cabinet through a signal cable, the out-of-plant water source site water pump room DCS control cabinet is connected with an out-of-plant water source site water pump room 5G industrial wireless gateway, and the out-of-plant water source site water pump room 5G industrial wireless gateway is connected to a 5G wireless network;
The in-situ booster pump room DCS control system comprises in-situ instrument control equipment and a water inlet tank remote transmission liquid level meter which are arranged in a booster pump room in the factory, the in-situ instrument control equipment and the water inlet tank remote transmission liquid level meter are used for transmitting signals to a booster pump room DCS control cabinet through signal cables, the booster pump room DCS control cabinet is connected with a booster pump room 5G industrial wireless gateway, and the booster pump room 5G industrial wireless gateway is connected to a 5G wireless network.
The 5G industrial wireless gateway of the water taking pump house of the outside water source area is also connected with a DCS inspection operation station of the water taking pump house of the outside water source area.
The DCS control cabinet of the water taking pump house in the water source place outside the factory is connected with the 5G industrial wireless gateway of the water taking pump house in the water source place outside the factory through a shielded twisted pair communication cable; the booster pump room DCS control cabinet is connected with the booster pump room 5G industrial wireless gateway through a shielded twisted pair communication cable.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The automatic level of auxiliary workshops of the power plant can be improved, remote monitoring of a water taking pump room of a remote water source area in a centralized control center is realized, and linkage control of an external remote pump room and an in-plant associated system such as a booster pump station is realized.
(2) The cost of construction and operation and maintenance can be saved: a large number of communication cables can be saved through 5G wireless transmission; through the DCS integrated design of the pump house inside and outside the factory, the type of a control system can be simplified, spare parts are saved, and the training and outsourcing management cost is reduced.
Drawings
Fig. 1 is a schematic diagram of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, a DCS remote pump room control system using 5G wireless technology includes a remote water source site pump room DCS control system and an in-field booster pump room DCS control system, where the remote water source site pump room DCS control system and the in-field booster pump room DCS control system are connected to a cloud data server 6 through a 5G wireless network, and the cloud data server 6 is respectively connected to a centralized control center operator station 7 and a centralized control center engineer station 8 through an industrial ethernet switch 9.
The remote water source site pump room DCS control system comprises the on-site instrument control equipment 13 arranged in the off-site water source site water taking pump room 14, the on-site instrument control equipment 13 transmits signals to the off-site water source site water taking pump room DCS control cabinet 1 through the signal cable 10, and the off-site water source site water taking pump room DCS control cabinet 1 is connected with the off-site water source site water taking pump room 5G industrial wireless gateway 3 through the shielding twisted pair communication cable 11, and the off-site water source site water taking pump room 5G industrial wireless gateway 3 is connected to the 5G wireless network.
Further, the outdoor water source water intake pump house 5G industrial wireless gateway 3 is also connected with an outdoor water source water intake pump house DCS inspection operation station 2.
The in-field booster pump room DCS control system comprises in-field local instrument control equipment 16 and a water inlet tank remote transmission liquid level meter 12 which are arranged in a booster pump room 15, wherein the in-field local instrument control equipment 16 and the water inlet tank remote transmission liquid level meter 12 transmit signals to a booster pump room DCS control cabinet 4 through a signal cable 10, the booster pump room DCS control cabinet 4 is connected with a booster pump room 5G industrial wireless gateway 5 through a shielding twisted pair communication cable 11, and the booster pump room 5G industrial wireless gateway 5 is connected to a 5G wireless network.
The utility model is based on the principle that:
In engineering practice, each power plant usually has 1 water source water intake pump room, and when the water source is insufficient, there is the engineering of a plurality of water intake pump rooms, and this implementation example is according to 1 external water source water intake pump room of water source area and 1 internal booster pump room design, and a plurality of water intake pump room schemes are similar.
In this embodiment, the remote water source place pump room DCS control system includes an in-situ instrument control device 13 disposed in an outside water source place water intake pump room 14, the in-situ instrument control device 13 transmits signals to the outside water source place water intake pump room DCS control cabinet 1 through a signal cable 10, and the outside water source place water intake pump room DCS control cabinet 1 is connected to an outside water source place water intake pump room 5G industrial wireless gateway 3 through a shielded twisted pair communication cable 11, and the outside water source place water intake pump room 5G industrial wireless gateway 3 is connected to a 5G wireless network.
The DCS control cabinet 1 of the water taking pump house in the water source place outside the factory comprises a DCS control cabinet, and 1 pair of DPU controllers, communication modules, I/O acquisition modules, terminal bars and other necessary standard control devices are arranged in the DCS control cabinet and used for achieving the on-site data acquisition and on-site control functions of the water taking pump house in the water source place outside the factory.
The water intake pump room control I/O signal point of the outside water source area is about 60 points, and the field instrument/equipment signal is connected into the DCS control cabinet 1 of the outside water source area through the signal cable 10 in a hard wiring mode. The outdoor water source water intake pump room DCS control cabinet 1 is connected with the outdoor water source water intake pump room 5G industrial wireless gateway 3 through a shielding twisted pair communication cable 11, adopts MODBUS RTU or TCP/IP communication protocol, and remotely transmits signal data to the cloud data server 6 through an operator 5G network in a 5G wireless special line communication mode through the protocol conversion function of the outdoor water source water intake pump room 5G industrial wireless gateway 3. The DCS inspection operation station 2 of the water taking pump room of the water source outside the factory is connected with the 5G industrial wireless gateway 3 of the water taking pump room of the water source outside the factory through the shielding twisted pair communication cable 11, and is used for starting and temporarily inspecting the water taking pump room of the water source outside the factory for standby.
The booster pump room DCS control cabinet 4 comprises a 1-surface DCS control cabinet, and 1 pair of essential standard control devices such as a DPU controller, a communication module, an I/O acquisition module, a terminal strip and the like are arranged in the cabinet and are used for realizing the field data acquisition and the on-site control functions of the booster pump room in a factory. The control I/O signal point of the in-plant booster pump room is about 60 points, and the water inlet tank remote transmission liquid level meter 12 and other field instruments/equipment of the in-plant booster pump room are connected into the booster pump room DCS control cabinet 4 through the signal cable 10 in a hard wiring mode. The booster pump room DCS control cabinet 4 is connected with the booster pump room 5G industrial wireless gateway 5 through a shielded twisted pair communication cable 11, adopts MODBUS RTU or TCP/IP communication protocol, and remotely transmits signal data to the cloud data server 6 through the operator 5G network in a 5G wireless special line communication mode through the protocol conversion function of the booster pump room 5G industrial wireless gateway 5. The distance between the booster pump room in the factory and the centralized control center is generally not more than 500 meters, and an on-site inspection operator station can be omitted.
The cloud data server 6 is provided with a public network IP and a 5G SIM card, and is used for realizing data interconnection and intercommunication between protocol forwarding and centralized control center/local equipment, one end of the cloud data server is connected with a 5G network private line of a telecom operator through the 5G SIM card, and the other end of the cloud data server forms a private local area network with a centralized control center operator station 7, a centralized control center engineer station 8 and the like through an Ethernet switch 9, so that the operation and maintenance of the centralized control center are convenient while the safety is ensured.
It should be noted that, the cloud data server 6, the central control center operator station 7, the central control center engineer station 8 and the like all belong to existing devices, namely, monitoring computers, and the connection is the prior art, and the improvement of software algorithms is not involved.
According to the technological characteristics that a water inlet tank is used as a connecting hub of an in-plant pump house and an out-plant pump house system, when a water inlet tank remote transmission liquid level meter 12 of an in-plant booster pump house measures signal liquid level low alarm, a water source water taking pump house water pump and a valve are started in a chained mode to supply water, and meanwhile the in-plant booster water pump is stopped in a chained mode; when the remote liquid level meter 12 of the water inlet pool of the in-plant booster pump house measures the signal liquid level to give an alarm, the water pump and the valve of the water inlet pump house of the water source are stopped in a linkage mode, and meanwhile the in-plant booster pump system is started in a linkage mode. The centralized control center operator station 7 is connected with the on-site DCS control system through the industrial Ethernet switch 9 and the cloud data server 6 and is used for monitoring and controlling remote pump rooms in real time by operating personnel in the centralized control center.
When the engineering is implemented, the engineering is set and debugged with a telecom operator through necessary networks, so that each upper computer system (an operator station, an engineer station, a cloud data server) is ensured to be mutually ping communicated with a site wireless gateway, a DCS controller, a DCS on-site inspection station and the like, and the bidirectional circulation requirement of data from site to a centralized control center is met.
In addition, because the field signal adopts 5G wireless transmission, by means of the characteristics of large bandwidth, low delay and multiple access of 5G, devices such as a 5G camera and the like can be additionally arranged on the field according to the requirements of users, and the device is also connected into a centralized control center in a factory for monitoring through the 5G signal, so that the digitizing and informationizing level of the monitoring of a remote pump room is further improved. The present embodiment is not described in detail.
The utility model adopts a 5G+DCS control cabinet to carry out real-time monitoring and linkage control on the remote pump rooms inside and outside the factory. The obstacle of remote and real-time signal transmission is solved by a 5G wireless transmission scheme; the unified coordination of the in-plant and out-plant control systems is realized through unified DCS configuration, so that the defect of lack of in-plant and out-plant remote pump room coordinated control is overcome, and the automation level is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the utility model.
Claims (3)
1. A DCS remote pump room control system applying 5G wireless technology is characterized in that: the system comprises a remote water source site pump room DCS control system and an in-site booster pump room DCS control system, wherein the remote water source site pump room DCS control system and the in-site booster pump room DCS control system are connected with a cloud data server (6) through a 5G wireless network, and the cloud data server (6) is respectively connected with a centralized control center operator station (7) and a centralized control center engineer station (8) through an industrial Ethernet switch (9);
The remote water source site water pump room DCS control system comprises an in-situ instrument control device (13) arranged in an ex-situ water source site water pump room (14), the in-situ instrument control device (13) transmits signals to an ex-situ water source site water pump room DCS control cabinet (1) through a signal cable (10), the ex-situ water source site water pump room DCS control cabinet (1) is connected with an ex-situ water source site water pump room 5G industrial wireless gateway (3), and the ex-situ water source site water pump room 5G industrial wireless gateway (3) is connected to a 5G wireless network;
The in-field booster pump room DCS control system comprises in-field in-situ instrument control equipment (16) and a water inlet tank remote transmission liquid level meter (12) which are arranged in a booster pump room (15), the in-field in-situ instrument control equipment (16) and the water inlet tank remote transmission liquid level meter (12) are used for transmitting signals to a booster pump room DCS control cabinet (4) through a signal cable (10), the booster pump room DCS control cabinet (4) is connected with a booster pump room 5G industrial wireless gateway (5), and the booster pump room 5G industrial wireless gateway (5) is connected to a 5G wireless network.
2. The DCS remote pump room control system using 5G wireless technology as claimed in claim 1, wherein: the outdoor water source water intake pump house 5G industrial wireless gateway (3) is also connected with an outdoor water source water intake pump house DCS inspection operation station (2).
3. The DCS remote pump room control system using 5G wireless technology as claimed in claim 1, wherein: the DCS control cabinet (1) of the water taking pump house in the water source place outside the factory is connected with the 5G industrial wireless gateway (3) of the water taking pump house in the water source place outside the factory through a shielded twisted pair communication cable (11); the booster pump room DCS control cabinet (4) is connected with the booster pump room 5G industrial wireless gateway (5) through a shielded twisted pair communication cable (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323351585.5U CN221225384U (en) | 2023-12-10 | 2023-12-10 | DCS remote pump room control system applying 5G wireless technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202323351585.5U CN221225384U (en) | 2023-12-10 | 2023-12-10 | DCS remote pump room control system applying 5G wireless technology |
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| CN221225384U true CN221225384U (en) | 2024-06-25 |
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| CN202323351585.5U Active CN221225384U (en) | 2023-12-10 | 2023-12-10 | DCS remote pump room control system applying 5G wireless technology |
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2023
- 2023-12-10 CN CN202323351585.5U patent/CN221225384U/en active Active
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