CN218567856U

CN218567856U - Dual-network redundant network control device of hot air control cabinet

Info

Publication number: CN218567856U
Application number: CN202223192057.5U
Authority: CN
Inventors: 吕举山
Original assignee: Gansu Honghui Energy Chemical Co ltd
Current assignee: Gansu Honghui Energy Chemical Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-03
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to a redundant network control device of two nets of hot-blast switch board, including the hot-blast switch board, the hot-blast switch board includes hot-blast switch board CPU V, hot-blast switch board CPU V's quantity is two, every hot-blast switch board CPU V's network interface divide into A end and B end, the A end is connected photoelectric converter I through shielding paired line I, the B end is connected with photoelectric converter II through shielding paired line I, photoelectric converter I is connected with DCS room I through multimode optic fibre I, photoelectric converter II is connected with DCS room II through multimode optic fibre I, DCS room I is connected with switch I through shielding paired line V, DCS room II is connected with switch II through shielding paired line VI, switch I is connected with hot-blast operation station computer I through shielding paired line VII, switch II is connected with hot-blast operation station computer I through shielding paired line X. The utility model discloses beneficial effect: and each hot air control cabinet and an upper operation computer ensure real-time dual-network redundant communication.

Description

Dual-network redundant network control device of hot air control cabinet

Technical Field

The utility model relates to an industrial field control system dual-network redundant network technical field specifically is a dual-network redundant network control device of hot-blast switch board.

Background

The industrial control usually uses dual-network redundancy control, and usually adopts a dual-network segment and dual-CPU mode to transmit data, so as to ensure the stability, reliability and accuracy of data transmission, which is also the premise of ensuring continuous and long-period operation of industrial field. However, in an actual production field, if reliable physical isolation of dual network segments cannot be achieved, the accuracy of data cannot be guaranteed, and meanwhile, the safety of a control network cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structural design is reasonable, the simple operation, low in production cost, can make every hot-blast switch board and upper operation computer ensure the redundant communication of real-time two nets, guarantees the redundant network control device of two nets of the hot-blast switch board of data communication reliability, security.

The utility model relates to a redundant network control device of two nets of hot-blast switch board, including hot-blast switch board 1, hot-blast switch board 1 includes hot-blast switch board CPU V105, hot-blast switch board CPU V105's quantity is two, every hot-blast switch board CPU V105's network interface divide into A end and B end, the A end is connected with photoelectric converter I201 through shielding paired line I601, the B end is connected with photoelectric converter II 202 through shielding paired line II 602, photoelectric converter I201 is connected with DCS room I801 through multimode fiber I701, photoelectric converter II 202 is connected with DCS room II 802 through multimode fiber II 702, DCS room I801 is connected with DCS room switch I401 through shielding paired line V605, DCS room II 802 is connected with DCS room switch II 402 through shielding paired line 606, DCS room switch I401 is connected with hot-blast operation station computer I501 through shielding paired line 607, switch II 402 is connected with hot-blast operation station computer I501 through shielding paired line XX 610.

The hot air control cabinet 1 comprises two hot air control cabinets CPU V105, the two hot air control cabinets CPU V105 are in a hot standby state and are in redundant configuration, when one hot air control cabinet CPU V105 breaks down in the production process, a control system program can be automatically switched to the other standby hot air control cabinet CPU V105 in the hot air control cabinet 1, the accuracy and the validity of real-time data are guaranteed, data communication interruption between the hot air control cabinet 1 and an operator station due to the fact that the hot air control cabinet CPU V105 breaks down cannot occur, and therefore the situation that a combustion equipment action mechanism cannot act or even a hot air system flash explosion accident occurs; the network interface of each hot air control cabinet CPU V105 is divided into an A end and a B end, the A end and the B end of the network interface simultaneously carry out data communication under a normal working state, when any original fault of a data communication loop corresponding to the A end causes unsmooth communication, the control device automatically acquires communication data of the B end without disturbance, communication data interruption cannot occur, and central control operators cannot master production process data in real time, and the method and the device are used for ensuring continuity, stability and reliability of the communication data.

The hot air control cabinet 1 is internally provided with two hot air control cabinets CPU II 102, the network interface of each hot air control cabinet CPU II 102 is divided into an end A and an end B, the end A is connected with an integrated photoelectric switch I301 through a shielding twisted pair III 603, the end B is connected with an integrated photoelectric switch II 302 through a shielding twisted pair IV 604, the integrated photoelectric switch I301 is fixedly connected with a DCS room III 803 through a multimode optical fiber III 703, the integrated photoelectric switch II 302 is fixedly connected with a DCS room IV 804 through a multimode optical fiber IV 704, the DCS room III 803 is connected to a DCS room switch I401 through a shielding twisted pair VIII 608, the DCS room IV 804 is connected to a DCS room switch II 402 through a shielding twisted pair IX 609, and the DCS room switch II 402 is connected to a hot air operation station computer I501 through a shielding twisted pair X610.

The quantity of the hot air control cabinet CPUs II 102 is two, a network interface of each hot air control cabinet CPU II 102 is divided into an end A and an end B, the two hot air control cabinet CPUs II 102 are in a hot standby state and are in redundant configuration, the end A and the end B of the network interface are in data communication simultaneously in a normal working state, when any original fault of a data communication loop corresponding to the end A causes communication unsmooth, a control system program does not disturb and automatically acquires communication data of the end B, communication data interruption can not occur, and a central control operator can not master production process data in real time, and the method and the system are used for guaranteeing continuity, stability and reliability of the communication data.

A hot air control cabinet CPU III 103, a hot air control cabinet CPU IV 104 and a hot air control cabinet CPU I101 are arranged in the hot air control cabinet 1.

The hot air control cabinet CPU III 103, the hot air control cabinet CPU IV 104 and the hot air control cabinet CPU V105 are production lines with consistent communication network structures. The function is to convert communication data into optical signals, transmit the optical signals to a DCS room 801 and a DCS room 802, convert the optical signals into electrical signals through a photoelectric converter I201 and a photoelectric converter II 202, and send the electrical signals to a DCS room switchboard I401.

The hot air control cabinet CPU I101 and the hot air control cabinet CPU II 102 are production lines with consistent communication network structures. The function is to convert communication data into optical signals, transmit the optical signals to a DCS room 803 and a DCS room 804, convert the optical signals into electrical signals through an integrated photoelectric exchanger I301 and an integrated photoelectric exchanger II 302, and send the electrical signals into a DCS room exchanger II 402.

The system also comprises a hot air operation station computer II 502, a hot air operation station computer III 503, a hot air operation station computer IV 504 and a hot air operation station computer V505.

The hot air operation station computer II 502 is respectively connected with the DCS room switch I401 and the DCS room switch II 402 through a shielding twisted pair VI 607 and a shielding twisted pair X610, so as to obtain the communication data of the hot air control cabinet CPU IV 104 to meet the requirement of controlling related equipment; the hot air operation station computer III 503 is connected with a DCS room switch I401 and a DCS room switch II 402 through a shielding twisted pair VI 607 and a shielding twisted pair X610, so as to obtain the communication data of the hot air control cabinet CPU IV 105 to meet the requirement of controlling related equipment; the computer IV 504 of the hot air operation station is respectively connected with a DCS room switch I401 and a DCS room switch II 402 through a shielding twisted pair VI 607 and a shielding twisted pair X610, so that the communication data of the CPU IV 102 of the hot air control cabinet is obtained to meet the requirement of controlling related equipment; the computer V505 of the hot air operation station is respectively connected with a DCS room switch I401 and a DCS room switch II 402 through a shielding twisted pair VI 607 and a shielding twisted pair X610, so that the communication data of the CPU I101 of the hot air control cabinet is acquired to meet the requirement of controlling related equipment.

The beneficial effects of the utility model are that:

1) The hot air control cabinet 1 comprises two hot air control cabinets CPU V105, the two hot air control cabinets CPU V105 are in a hot standby state and are in redundant configuration, when one hot air control cabinet CPU V105 breaks down in the production process, a control system program can be automatically switched to the other standby hot air control cabinet CPU V105 in the hot air control cabinet 1, the accuracy and the validity of real-time data are guaranteed, data communication interruption between the hot air control cabinet 1 and an operator station due to the fact that the hot air control cabinet CPU V105 breaks down cannot occur, and therefore the situation that a combustion equipment action mechanism cannot act or even a hot air system flash explosion accident occurs; the network interface of each hot air control cabinet CPU V105 is divided into an A end and a B end, the A end and the B end of the network interface simultaneously carry out data communication in a normal working state, when communication is not smooth due to the fault of any original element of a data communication loop corresponding to the A end, the control device automatically acquires communication data of the B end without disturbance, central control operators cannot master production process data in real time due to the interruption of the communication data, and the effect of the control device is to ensure the continuity, stability and reliability of the communication data;

2) The number of the hot air control cabinet CPUs II 102 is two, a network interface of each hot air control cabinet CPU II 102 is divided into an A end and a B end, the two hot air control cabinet CPUs II 102 are in a hot standby state and are in redundant configuration, the A end and the B end of the network interface are in data communication simultaneously in a normal working state, when communication is not smooth due to faults of any original piece of a data communication loop corresponding to the A end, a control system program is free of disturbance and automatically acquires communication data of the B end, communication data interruption cannot occur, and a central control operator cannot master production process data in real time, and the method has the effect of ensuring continuity, stability and reliability of the communication data;

3) The device has been put into production and use, and the result of use is good, is applicable to local industrial production line, can ensure data communication network's reliability, has effectively reduced the unusual probability that causes the production facility to park of data communication, has avoided the emergence of abnormal state parking emergence incident.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. <xnotran> , 101, CPU Ⅰ, 102. CPU Ⅱ, 103. CPU Ⅲ, 104. CPU Ⅳ, 105. CPU Ⅴ, 201. Ⅰ, 202. Ⅱ, 301. Ⅰ, 302. Ⅱ, 401. DCS Ⅰ, 402. DCS Ⅱ, 501. Ⅰ, 502. Ⅱ, 503. Ⅲ, 504. Ⅳ, 505. Ⅴ, 601. Ⅰ, 602. Ⅱ, 603. Ⅲ, 604. Ⅳ, 605. Ⅴ, 606. Ⅵ, 607. Ⅶ, 608. Ⅷ, 609. Ⅸ, 610. Ⅹ, 701. Ⅰ, 702. Ⅱ, 703. Ⅲ, 704. Ⅳ, 801. DCS Ⅰ, 802. DCS Ⅱ, 803. DCS Ⅲ, 804. DCS Ⅳ. </xnotran>

Detailed Description

Example 1.

The present invention will be further described with reference to fig. 1.

The utility model discloses a hot-blast switch board 1, hot-blast switch board CPU V105, photoelectric converter I201, photoelectric converter II 202, DCS room switch I401, DCS room switch II 402, hot-blast operation station computer I501, shielding paired line I601, shielding paired line II 602, shielding paired line V605, shielding paired line VI 606, shielding paired line VII 607, shielding paired line VIII 608, shielding paired line IX 609, shielding paired line X610, multimode fiber I701, multimode fiber II 702, DCS room I801, DCS room II 802, concrete structure includes hot-blast switch board 1, install hot-blast switch board CPU V105 in hot-blast switch board 1, the quantity of hot-blast switch board CPU V105 is two, the network interface of each hot-blast switch board CPU 105 is divided into A end and DCS VII end, the A end is connected with photoelectric converter I201 through shielding paired line I601, the B end is connected with photoelectric converter 202 through shielding paired line II 602, photoelectric converter I201 is connected with photoelectric converter I201 through multimode fiber 701 DCS room IX 801, the paired line II is connected with DCS room PLC II through shielding paired line I501, the I402 through shielding paired line II room I501, the I802 through shielding paired line I402, the I501, the shielding paired line II room 402 is connected with photoelectric converter II through shielding paired line II operation station I401 through the hot-I401I 402, the DCS room 402 is connected with the hot-V room switch machine.

The A end is a 128 network segment; the B terminal is 129 network segment. The integrated photoelectric exchanger I301 and the integrated photoelectric exchanger II 302 are eight-port integrated photoelectric exchangers; the DCS room exchanger I401 and the DCS room exchanger II 402 are twenty-four-port exchangers.

The specific working process is as follows: the 128 network segment of the CPU V105A end of the hot air control cabinet is connected with the photoelectric converter I201 through a shielding twisted pair X610, an electric signal of the CPUV105A is converted into an optical signal, the optical signal is transmitted to a DCS room I801 through a multimode optical fiber I701, the DCS room I801 converts the received optical signal into an electric signal, the converted electric signal is transmitted to a DCS room switch I401 through a shielding twisted pair V605, the 128 network segment of the DCS room switch I401 is connected to a 128 network port of a hot air operation station computer I501 through a shielding twisted pair VII 607, and therefore communication data of the 128 network segment of the CPU V105A end of the hot air control cabinet is communicated to the 128 network port of the hot air operation station computer I501. The 129 network segment at the B end of the CPU V105 of the hot air control cabinet is connected with the photoelectric converter I202 through a shielding twisted pair X602, an electric signal of the CPU V105B of the hot air control cabinet is converted into an optical signal, the optical signal is transmitted to a DCS room II 802 through a multimode optical fiber I702, the received optical signal is converted into the electric signal through the DCS room II 802, the converted electric signal is transmitted to a DCS room exchanger I402 through a shielding twisted pair V606, the 129 network segment of the DCS room exchanger I402 is connected to the 129 network port of the hot air operation station computer I501 through a shielding twisted pair VII 607, and therefore, communication data of the 129 network segment at the B end of the CPU V105B of the hot air control cabinet is communicated to the 129 network port of the hot air operation station computer I501. So far, the dual-network redundant control network structure between the hot air control cabinet CPU V105 and the hot air operation station computer I501 is completed. The configuration of the double-network redundant control network structure of the hot air control cabinet CPU V104 and the hot air operation station computer I502, and the hot air control cabinet CPU V103 and the hot air operation station computer III 503 is as described above.

Example 2.

The present invention will be further described with reference to fig. 1.

The utility model discloses a hot-blast switch board 1, hot-blast switch board CPU I101, hot-blast switch board CPU II 102, hot-blast switch board CPU III 103, hot-blast switch board CPU IV 104, hot-blast switch board CPU V105, integration photoelectric switch I301, integration photoelectric switch II 302, DCS room switch I401, DCS room switch II 402, hot-blast operation station computer I501, hot-blast operation station computer II 502, hot-blast operation station computer III 503, hot-blast operation station computer IV 504, hot-blast operation station computer V505, shielding twisted pair I601, shielding twisted pair II 602, shielding twisted pair III 603, shielding twisted pair IV 604, shielding twisted pair V605, shielding twisted pair VI 606, shielding twisted pair 607, shielding twisted pair VIII 608, shielding twisted pair IX 609, shielding twisted pair X610, multimode fiber III 703, multimode fiber IV 704, multimode room III, IV room 804, specific structure is: the hot air control cabinet 1 is internally provided with two hot air control cabinets CPU II 102, the network interface of each hot air control cabinet CPU II 102 is divided into an A end and a B end, the A end is connected with an integrated photoelectric switch I301 through a shielding twisted pair III 603, the B end is connected with an integrated photoelectric switch II 302 through a shielding twisted pair IV 604, the integrated photoelectric switch I301 is fixedly connected with a DCS room III 803 through a multimode optical fiber III 703, the integrated photoelectric switch II 302 is fixedly connected with a DCS room IV 804 through a multimode optical fiber IV 704, the DCS room III 803 is connected to a switch I401 through a shielding twisted pair VIII 608, the DCS room IV 804 is connected to a switch II 402 through a shielding twisted pair IX 609, and the switch II 402 is connected to a hot air operation station computer I501 through a shielding twisted pair X610.

The specific working process is as follows: a128 network segment at the A end of a CPU V102 of the hot air control cabinet transmits an electric signal to an integrated photoelectric switch I301 through a shielding twisted pair III 603 to realize the conversion of the electric signal into an optical signal, the integrated photoelectric switch I301 transmits the optical signal to a DCS room III 803 through a multimode optical fiber III 703, the DCS room III 803 transmits the electric signal to a 128 network segment of a DCS room switch I401 through the shielding twisted pair, and the 128 network segment of the DCS room switch I401 is connected with a 128 network port of a computer IV 504 of a hot air operation station through a shielding twisted pair VIII 608. The 129 network segment of the hot air control cabinet CPU V102B end transmits an electric signal to the integrated photoelectric switch II 302 through a shielding twisted pair IV 604 to realize the conversion of the electric signal into an optical signal, the integrated photoelectric switch II 302 transmits the optical signal to a DCS room IV 804 through a multimode optical fiber III 703, the DCS room IV 804 transmits the electric signal to the 129 network segment of the DCS room switch I402 through a shielding twisted pair IX 609, the 129 network segment of the DCS room switch I402 is connected with a 129 network port of a hot air operation station computer IV 504 through a shielding twisted pair X610, and therefore the double-network redundancy control network structure between the hot air control cabinet CPU V102 and the hot air operation station computer IV 504 is completed. The configuration of the double-network redundant control network structure of the hot blast control cabinet CPU V105 and the hot blast operation station computer V505 is as described above.

Example 3.

The present invention will be further described with reference to fig. 1, and the following is an embodiment of a dual-network redundant network control device of a hot air control system of five production lines, and is also an embodiment of the present invention that has been put into practical production.

The utility model comprises a hot air control cabinet 1, a hot air control cabinet CPU I101, a hot air control cabinet CPU II 102, a hot air control cabinet CPU III 103, a hot air control cabinet CPU IV 104, a hot air control cabinet CPU V105, a photoelectric converter I201, a photoelectric converter II 202, an integrated photoelectric switch I301, an integrated photoelectric switch II 302, a DCS room switch I401, a DCS room switch II 402, a hot air operation station computer I501, a hot air operation station computer II 502, a hot air operation station computer III 503, a hot air operation station computer IV 504, a hot air operation station computer V505, a shielding twisted pair I601, a shielding twisted pair II 602, a shielding twisted pair III 603, a shielding twisted pair IV 604, a shielding twisted pair V605, a shielding twisted pair VI 606, a shielding twisted pair VII, a shielding twisted pair VIII 608, a shielding twisted pair IX 609, a shielding twisted pair X610, a multimode fiber I701, a multimode fiber II 702, a multimode fiber 703, a multimode fiber IV 704, a multimode chamber 801, a DCS room II, a DCS room 802, a multimode fiber III 803 III, a chamber IV 804, the specific structure comprises a hot air control cabinet 1, a hot air control cabinet CPU V105 is installed in the hot air control cabinet 1, the number of the hot air control cabinet CPU V105 is two, a network interface of each hot air control cabinet CPU V105 is divided into an A end and a B end, the A end is connected with a photoelectric converter I201 through a shielding twisted pair I601, the B end is connected with a photoelectric converter II 202 through a shielding twisted pair II 602, the photoelectric converter I201 is connected with a DCS room I801 through a multimode optical fiber I701, the photoelectric converter II 202 is connected with a DCS room II 802 through a multimode optical fiber II 702, the DCS room I801 is connected with a DCS room switch I401 through a shielding twisted pair V605, the DCS room II 802 is connected with a DCS room switch II 402 through a shielding twisted pair VI 606, the DCS room switch I401 is connected with a hot air operation station computer I501 through a shielding twisted pair VII 607, the switch ii 402 is connected to a hot air operation station computer i 501 through a shielded twisted pair line x 610.

The hot air control cabinet 1 is internally provided with two hot air control cabinets CPU II 102, the network interface of each hot air control cabinet CPU II 102 is divided into an A end and a B end, the A end is connected with an integrated photoelectric switch I301 through a shielding twisted pair III 603, the B end is connected with an integrated photoelectric switch II 302 through a shielding twisted pair IV 604, the integrated photoelectric switch I301 is fixedly connected with a DCS room III 803 through a multimode optical fiber III 703, the integrated photoelectric switch II 302 is fixedly connected with a DCS room IV 804 through a multimode optical fiber IV 704, the DCS room III 803 is connected to a switch I401 through a shielding twisted pair VIII 608, the DCS room IV 804 is connected to a DCS room switch II 402 through a shielding twisted pair IX 609, and the DCS room switch II 402 is connected to a hot air operation station computer I501 through a shielding twisted pair X610.

The hot air control cabinet 1 is internally provided with a hot air control cabinet CPU III 103, a hot air control cabinet CPU IV 104 and a hot air control cabinet CPU I101.

The hot air control cabinet CPU III 103, the hot air control cabinet CPU IV 104 and the hot air control cabinet CPU V105 are in the same configuration of a double-network redundant control network structure and are three independent production lines.

The models of the hot air control cabinet CPU I101, the hot air control cabinet CPU II 102, the hot air control cabinet CPU III 103, the hot air control cabinet CPU IV 104 and the hot air control cabinet CPU V105 are as follows: and LK210.

The hot air control cabinet CPU I101 and the hot air control cabinet CPU II 102 are in the same configuration of a dual-network redundant control network structure and are two independent production lines.

The device also comprises a hot air operation station computer II 502, a hot air operation station computer III 503, a hot air operation station computer IV 504 and a hot air operation station computer V505.

The specific working process is as follows: the hot air operation station computer II 502 is in real-time communication with the hot air control cabinet CPU IV 104 through a DCS room exchanger I401128 network segment and a 129 network segment of a 128 network segment DCS room exchanger I402, and controls field equipment corresponding to the hot air control cabinet CPU IV 104 through the hot air operation station computer II 502; the hot air operation station computer III 503 controls field equipment corresponding to the hot air control cabinet CPU III 103 through the real-time communication between a DCS room switch I401128 network segment and a DCS room switch I402 network segment and the hot air control cabinet CPU III 103 through the hot air operation station computer III 503; the computer IV 504 of the hot air operation station is in real-time communication with the hot air control cabinet CPU II 102 through a 128 network segment of a DCS room exchanger I401 and a 129 network segment of a DCS room exchanger I402, and field equipment corresponding to the hot air control cabinet CPU II 102 is controlled through the computer IV 504; and a computer V505 of the hot air operation station is in real-time communication with the hot air control cabinet CPU I101 through a 128 network segment of the DCS room exchanger I401 and a 129 network segment of the DCS room exchanger I402, and field equipment corresponding to the hot air control cabinet CPU I101 is controlled through the computer V505.

Claims

1. The utility model provides a redundant network control device of dual network of hot-blast switch board which characterized in that: the hot air control cabinet comprises a hot air control cabinet (1), a hot air control cabinet CPU V (105) is installed in the hot air control cabinet (1), the number of the hot air control cabinet CPU V (105) is two, a network interface of each hot air control cabinet CPU V (105) is divided into an A end and a B end, the A end is connected with a photoelectric converter I (201) through a shielding twisted pair I (601), the B end is connected with a photoelectric converter II (202) through a shielding twisted pair I (601), the photoelectric converter I (201) is connected with a DCS room I (801) through a multimode optical fiber I (701), the photoelectric converter II (202) is connected with a DCS room II (802) through a multimode optical fiber I (701), the DCS room I (801) is connected with a switch I (401) through a twisted pair V (605), the DCS room II (802) is connected with a twisted pair switch II (402) through a shielding twisted pair VI (606), the switch I (401) is connected with a hot air operation station computer I (501) through a shielding twisted pair VII (607), and the hot air switch II (402) is connected with a hot air operation station computer I (501) through a shielding X (610).

2. The dual-network redundant network control device of a hot air control cabinet according to claim 1, wherein: the hot air control cabinet is characterized in that a hot air control cabinet CPU II (102) is installed in the hot air control cabinet (1), the number of the hot air control cabinet CPU II (102) is two, a network interface of each hot air control cabinet CPU II (102) is divided into an A end and a B end, the A end is connected with an integrated photoelectric switch I (301) through a shielding twisted pair III (603), the B end is connected with an integrated photoelectric switch II (302) through a shielding twisted pair X (610), the integrated photoelectric switch I (301) is fixedly connected with a DCS room III (803) through a multimode optical fiber III (703), the integrated photoelectric switch II (302) is fixedly connected with a DCS room IV (804) through a multimode optical fiber IV (704), the DCS room III (803) is connected to the switch I (401) through a shielding twisted pair VIII (608), the DCS room IV (804) is connected to the switch II (402) through a shielding twisted pair IX (609), and the switch II (402) is connected to a hot air operation station computer (501) through a shielding twisted pair X (610).

3. The dual-network redundant network control device of the hot air control cabinet according to claim 1, characterized in that: a hot air control cabinet CPU III (103), a hot air control cabinet CPU IV (104) and a hot air control cabinet CPU V (105) are arranged in the hot air control cabinet (1).

4. The dual-network redundant network control device of a hot air control cabinet according to claim 3, wherein: the network structures of the hot air control cabinet CPU III (103), the hot air control cabinet CPU IV (104) and the hot air control cabinet CPU V (105) are the same.

5. The dual-network redundant network control device of a hot air control cabinet according to claim 1, wherein: the network structures of the hot air control cabinet CPU I (101) and the hot air control cabinet CPU II (102) are the same.

6. The dual-network redundant network control device of a hot air control cabinet according to claim 1, wherein: the system also comprises a hot air operation station computer II (502), a hot air operation station computer III (503), a hot air operation station computer IV (504) and a hot air operation station computer V (505).