CN109917745B - Universal mining explosion-proof PLC control cabinet for shield machine and application - Google Patents
Universal mining explosion-proof PLC control cabinet for shield machine and application Download PDFInfo
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- CN109917745B CN109917745B CN201910269505.0A CN201910269505A CN109917745B CN 109917745 B CN109917745 B CN 109917745B CN 201910269505 A CN201910269505 A CN 201910269505A CN 109917745 B CN109917745 B CN 109917745B
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Abstract
The invention discloses a universal mining explosion-proof PLC control cabinet of a shield machine and application thereof. The wiring cavity is provided with a wiring terminal, and the wiring terminal comprises an intrinsic safety wall-penetrating terminal, a strong current wiring terminal, a network cable wall-penetrating terminal, an optical fiber wall-penetrating terminal, an explosion-proof wall-penetrating terminal, a weak current horn mouth, a strong current horn mouth and a 24V power supply wiring terminal row. The invention has strong universality, greatly shortens the safety standard authentication time and the production period of the explosion-proof shield machine, greatly saves the processing and manufacturing cost of the explosion-proof cabinets when the same type of explosion-proof cabinets are produced in batches, can adapt to the control requirements of the shield machine with various diameters (the number of the control cabinets is increased or decreased according to different equipment) by one set of PLC control cabinet, and achieves the purposes of greatly saving the manufacturing cost and shortening the production period.
Description
Technical Field
The invention belongs to the field of mining explosion-proof PLC control, and particularly relates to a universal mining explosion-proof PLC control cabinet for a shield machine and application thereof.
Background
The development of the mining explosion-proof shield machine (heading machine) requires all electrical equipment to be explosion-proof. As an equipment manufacturing enterprise, there is not much time and energy to apply for safety marks for all electrical equipment including a high-explosive switch, an explosion-proof transformer, a mining feed switch, a combination switch, a starting cabinet, a control cabinet and the like. Due to the complexity of a shield machine control system and the confidential requirement of the technology, a nonstandard PLC control cabinet cannot be directly purchased in the market, and other mining explosion-proof electrical equipment can be directly purchased and used.
Through retrieval, a shield control system is disclosed in the patent number CN106121663A, and the problems that the operation of the existing shield system is inconvenient and the data processing is inconvenient are mainly solved; a shield machine hot standby control system and method is disclosed in patent No. CN103401748A, which ensure that the shield control system executes the program flow uninterruptedly and the integrity of the current data when the host fails, improve the fault tolerance of the ethernet communication network on hardware and software, and greatly improve the redundancy reliability of the shield machine control system. The two invention patents describe and explain the overall control system of the shield machine, but do not relate to the research on the universality of explosion-proof electric and PLC control cabinets.
Disclosure of Invention
Aiming at the defects described in the prior art, the invention finds the common point of the control systems of various types of shield machines by analyzing the shield machines, redesigns the PLC control which cannot be directly purchased in the market and obtains the evidence of safety standard, independently designs a set of universal mine explosion-proof PLC control cabinet of the shield machine, and can adapt to the field control and data acquisition functions of the mine explosion-proof shield machine with the length of 3-15 meters. The appearance and the internal element layout of the PLC control cabinet required by the shield tunneling machine with different diameters and functions are completely the same, and the difference is the number of the control cabinets.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a shield constructs mining explosion-proof PLC switch board of quick-witted general type, includes wiring chamber and device chamber, is equipped with the base in device chamber lower part. The wiring cavity is provided with a wiring terminal, and the wiring terminal comprises an intrinsic safety wall-penetrating terminal, a strong current wiring terminal, a network cable wall-penetrating terminal, an optical fiber wall-penetrating terminal, an explosion-proof wall-penetrating terminal, a weak current horn mouth, a strong current horn mouth and a 24V power supply wiring terminal row.
In order to enhance the universality, the wiring cavity comprises an intrinsic safety wiring cavity, an explosion-proof wiring cavity and a power supply wiring cavity, the intrinsic safety and the non-intrinsic safety are distinct, and a power line and a control line terminal are separately arranged, so that the wiring error can be effectively avoided.
A plurality of intrinsic safety through wall terminals are arranged in the intrinsic safety wiring cavity, the intrinsic safety through wall terminals are communicated with the device cavity, and a weak current horn mouth and a strong current horn mouth are arranged on the outer side wall of the intrinsic safety wiring cavity.
A strong current wiring terminal, a network cable wall-penetrating terminal, an optical fiber wall-penetrating terminal and a plurality of explosion-proof wall-penetrating terminals are arranged in the explosion-proof wiring cavity, and the strong current wiring terminal, the network cable wall-penetrating terminal, the optical fiber wall-penetrating terminal and the explosion-proof wall-penetrating terminals are all communicated with the device cavity; and a weak current horn mouth and a strong current horn mouth are arranged on the outer side wall of the explosion-proof wiring cavity.
In addition, in order to improve the network communication capacity of the PLC control cabinet, two paths of RJ Ethernet wall-penetrating terminals are adopted as the network cable wall-penetrating terminals, and four paths of SC-SC single-mode fiber wall-penetrating terminals are adopted as the fiber wall-penetrating terminals.
The power supply wiring cavity is internally provided with a V-shaped power supply wiring terminal row, and the outer side wall of the power supply wiring cavity is provided with a weak current horn mouth.
The device cavity is provided with electrical components, specifically, the device cavity is provided with a mounting base plate, the electrical components are arranged on the mounting base plate, and each electrical component leads in and out signals through a wiring terminal. The device cavity is a main body part of the whole mine explosion-proof PLC control cabinet, bears internal electrical elements and ensures safe operation in a gas environment.
The electric components comprise a switch power supply I, a switch power supply II, a circuit breaker, a safety relay, an optical terminal, a PLC remote IO module, a valve amplification plate, a safety grid and an intermediate relay.
The PLC remote IO module is connected with a network interface of the optical transmitter and receiver through an Ethernet cable; and the other network interface of the optical transceiver is connected with one end of an Ethernet cable, and the other end of the Ethernet cable penetrates through a network cable wall-penetrating terminal to enter an explosion-proof wiring cavity, and then is led out from a weak current horn mouth to be connected with a PLC remote IO module in another explosion-proof PLC control cabinet.
The optical fiber interface of the optical transmitter and receiver is connected with one end of the optical fiber, and the other end of the optical fiber penetrates through the optical fiber wall-penetrating terminal to enter the explosion-proof wiring cavity and is led out through the weak current bell mouth to be connected with the external optical transmitter and receiver.
The safety barrier is connected with the PLC remote IO module, enters the intrinsic safety wiring cavity through the intrinsic safety through a wall penetrating terminal, and is connected with an external intrinsic safety sensor through a weak current horn mouth.
The valve amplification plate is connected with the PLC remote IO module, enters the explosion-proof wiring cavity through an explosion-proof wall-penetrating terminal, and is led out through the weak current bell mouth to be connected with an external explosion-proof proportional valve.
The intermediate relay is connected with the PLC remote IO module, enters the explosion-proof wiring cavity through an explosion-proof wall-penetrating terminal, and is led out through a weak current horn mouth to be connected with an external explosion-proof electromagnetic valve and the mining explosion-proof starting cabinet.
In order to operate safely, the device cavity is provided with a cabinet door, and the cabinet door is hinged through a door rotating shaft; and a door opening interlocking switch is arranged on the cabinet door and connected with the PLC remote IO module.
A display screen, an explosion-proof button and an explosion-proof signboard are arranged on the cabinet door; the explosion-proof button is connected with the PLC remote IO module; the display screen passes through ethernet and is connected with the long-range IO module of PLC, because the display screen can not directly be exposed and leaked as human-computer interface in the outside, need replace touch panel with explosion-proof button and realize the selection of function.
The explosion-proof PLC control cabinet is applied to an explosion-proof power distribution system, the explosion-proof power distribution system comprises a plurality of explosion-proof PLC control cabinets, a mine feed switch, a mine combined switch cabinet and a mine starting cabinet, and the explosion-proof PLC control cabinets are electrically connected in series and are connected in series through an Ethernet; the mining feed switch is electrically connected with the mining starting cabinet and is in communication connection through a Modbus RTU bus; the mining starting cabinet is connected with the explosion-proof PLC control cabinet through control signals; the mining combined switch cabinet is electrically connected with the explosion-proof PLC control cabinet and the mining feed switch.
Specifically, the explosion-proof PLC control cabinet comprises a PLC main control cabinet, HEB machine head sub-cabinets, an MCC main control cabinet, an AHB auxiliary liquid cabinet, an MHB main liquid cabinet I, an MHB main liquid cabinet II and an FLB fluid cabinet; the PLC main control cabinet, the HEB machine head sub-cabinet, the MCC main control cabinet, the AHB auxiliary liquid cabinet, the MHB main liquid cabinet I, the MHB main liquid cabinet II and the FLB liquid cabinet are sequentially connected in series through respective optical terminals through Ethernet cables; an optical transceiver of the FLB fluid cabinet is connected with an optical transceiver of a main feed switch I in the mining feed switch through an Ethernet line, and the optical transceiver of the main feed switch I is connected with a Modbus master station of the main feed switch I; and the HEB machine head sub-cabinet, the MCC main control cabinet, the AHB auxiliary liquid cabinet, the MHB main liquid cabinet I, the MHB main liquid cabinet II and the FLB fluid cabinet are electrically connected in sequence.
The mining combined switch cabinet comprises an explosion-proof lighting cabinet, wherein the explosion-proof lighting cabinet is connected with a main feed switch II and an FLB fluid cabinet in a mining feed switch.
The mining feed switch comprises a main feed switch I, a main feed switch II and a main feed switch III; main feed switch I is equipped with the Modbus master station, and main feed switch II all is equipped with the Modbus slave station with main feed switch III.
The mining starting cabinet comprises an underground explosion-proof soft starting cabinet I, an underground explosion-proof soft starting cabinet II, an underground explosion-proof straight-start cabinet I, an underground explosion-proof straight-start cabinet II and an underground explosion-proof straight-start cabinet III; and the underground explosion-proof soft starting cabinet I, the underground explosion-proof soft starting cabinet II, the underground explosion-proof straight starting cabinet I, the underground explosion-proof straight starting cabinet II and the underground explosion-proof straight starting cabinet III are all provided with Modbus slave stations.
And the main feed switch II, the main feed switch III, the underground explosion-proof soft starting cabinet I, the underground explosion-proof soft starting cabinet II, the underground explosion-proof straight starting cabinet I, the underground explosion-proof straight starting cabinet II and the underground explosion-proof straight starting cabinet III are respectively connected with a Modbus master station of the main feed switch I through respective Modbus slave stations through a ModbusRTU bus.
The underground explosion-proof soft starting cabinet I, the underground explosion-proof soft starting cabinet II, the underground explosion-proof direct starting cabinet I, the underground explosion-proof direct starting cabinet II and the underground explosion-proof direct starting cabinet III are all connected with the MCC main control cabinet.
And the underground explosion-proof direct-starting cabinet II and the underground explosion-proof direct-starting cabinet III are electrically connected with the main feed switch I.
The underground explosion-proof straight-start cabinet I is electrically connected with a main feed switch II; and the underground explosion-proof soft starting cabinet I and the underground explosion-proof soft starting cabinet II are electrically connected with a main feed switch III.
The invention has strong universality, greatly shortens the safety mark authentication time and the production period of the explosion-proof shield machine, and greatly saves the processing and manufacturing cost of the explosion-proof cabinets when the same type of explosion-proof cabinets are produced in batches.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of the explosion-proof PLC control cabinet of the present invention.
Fig. 2 is a top view of the explosion-proof PLC control cabinet of the present invention.
Fig. 3 is a front view of the interior of the explosion-proof PLC control cabinet of the present invention.
FIG. 4 is a top view of the interior of the explosion-proof PLC control cabinet of the present invention.
FIG. 5 is an electrical schematic diagram of the explosion-proof PLC control cabinet of the present invention.
Fig. 6 is an architecture diagram of the explosion-proof PLC control cabinet of the present invention applied to a shaft shield machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1: a universal mining explosion-proof PLC control cabinet for a shield machine is shown in figure 3 and comprises a wiring cavity 2 and a device cavity 5, wherein a base 14 is arranged at the lower part of the device cavity 5.
The wiring cavity 2 is provided with wiring terminals, and the wiring terminals comprise an intrinsic safety wall-penetrating terminal 21, a strong current wiring terminal 16, a network cable wall-penetrating terminal 17, an optical fiber wall-penetrating terminal 18, an explosion-proof wall-penetrating terminal 19, a weak current horn mouth 3, a strong current horn mouth 4 and a 24V power supply wiring terminal row 20.
In order to enhance the versatility, the wiring cavity 2, as shown in fig. 4, includes an intrinsically safe wiring cavity 22, an explosion-proof wiring cavity 15 and a power wiring cavity 29, and the intrinsically safe and intrinsically safe regions are distinct, and the power line and the control line terminal are separately arranged, so that the wiring error can be effectively avoided.
A plurality of intrinsic safety through wall terminals 21 are arranged in the intrinsic safety wiring cavity 22, the intrinsic safety through wall terminals 21 are communicated with the device cavity 5, and a weak current horn mouth 3 and a strong current horn mouth 4 are arranged on the outer side wall of the intrinsic safety wiring cavity 22, as shown in fig. 1, fig. 2, fig. 3 and fig. 4.
A strong current wiring terminal 16, a network cable wall-penetrating terminal 17, an optical fiber wall-penetrating terminal 18 and a plurality of explosion-proof wall-penetrating terminals 19 are arranged in the explosion-proof wiring cavity 15, and as shown in fig. 4, the strong current wiring terminal 16, the network cable wall-penetrating terminal 17, the optical fiber wall-penetrating terminal 18 and the explosion-proof wall-penetrating terminals 19 are all communicated with the device cavity 5; and a weak electric horn mouth 3 and a strong electric horn mouth 4 are arranged on the outer side wall of the explosion-proof wiring cavity 15, as shown in figures 1, 2, 3 and 4.
In addition, in order to improve the network communication capability of the PLC control cabinet, the network cable wall-through terminal 17 adopts two RJ45 ethernet wall-through terminals, and the optical fiber wall-through terminal 18 adopts four SC-SC single-mode optical fiber wall-through terminals.
A 24V power terminal block 20 is provided in the power terminal chamber 29, and as shown in fig. 4, a weak current horn 3 is provided on the outer side wall of the power terminal chamber 29.
The device cavity 5 is provided with electrical components, specifically, a mounting base plate 27 is arranged in the device cavity 5, as shown in fig. 3, the electrical components are mounted on the mounting base plate 27, and each electrical component introduces an outgoing signal through a connection terminal. The device cavity 5 is a main body part of the whole mining explosion-proof PLC control cabinet, bears internal electric elements and ensures safe operation in a gas environment.
The electric components comprise a switch power supply I7, a switch power supply II 28, a circuit breaker 26, a safety relay 24, an optical terminal 9, a PLC remote IO module 10, a valve amplification plate 23, a safety grid 11 and an intermediate relay 12.
As shown in fig. 5, the PLC remote IO module 10 is connected to a network interface of the optical transceiver 9 through an ethernet cable; another network interface of optical transmitter and receiver 9 is connected with the one end of ethernet line, and the other end of ethernet line passes the net twine and wears the wall terminal and get into explosion-proof wiring chamber 15, and then draws out from light current horn mouth 3 and is connected with the long-range IO module of PLC in another explosion-proof PLC switch board.
The optical fiber interface of the optical transmitter and receiver 9 is connected with one end of the optical fiber, and the other end of the optical fiber passes through the optical fiber wall-through terminal to enter the explosion-proof wiring cavity 15 and is led out through the weak current bell mouth 3 to be connected with an external optical transmitter and receiver.
The safety grid 11 is connected with the PLC remote IO module 10, and enters the intrinsic safety wiring cavity 22 through the intrinsic safety through a wall terminal, and then is led out through the weak current horn mouth 3 to be connected with an external intrinsic safety sensor.
The valve amplification plate 23 is connected with the PLC remote IO module 10, enters the explosion-proof wiring cavity 22 through an explosion-proof wall-penetrating terminal, and is led out through the weak current bell mouth 3 to be connected with an external explosion-proof proportional valve.
The intermediate relay 12 is connected with the PLC remote IO module 10, enters the explosion-proof wiring cavity 22 through an explosion-proof wall-penetrating terminal, and is led out through the weak current horn mouth 3 to be connected with an external explosion-proof electromagnetic valve and a mining explosion-proof starting cabinet.
For the safety of operation, as shown in fig. 1 and 3, the device cavity 5 is provided with a cabinet door 6, and the cabinet door 6 is hinged through a door rotating shaft 25; and a door opening interlocking switch 8 is arranged on the cabinet door 6 and is connected with the PLC remote IO module 10.
As shown in fig. 1, a display screen 1, an explosion-proof button 30 and an explosion-proof signboard 31 are arranged on a cabinet door 6; the explosion-proof button 30 is connected with the PLC remote IO module 10; the display screen 1 is connected with the PLC remote IO module 10 through the Ethernet, and the explosion-proof button 30 is required to replace a touch panel to realize function selection because the display screen cannot be directly exposed and leaked outside to serve as a human-computer interface.
Example 2: an application of a universal mine explosion-proof PLC control cabinet based on a shield machine is disclosed, as shown in FIG. 6, the universal mine explosion-proof PLC control cabinet based on the shield machine is applied to an explosion-proof power distribution system, the explosion-proof power distribution system comprises a plurality of explosion-proof PLC control cabinets, a mine feed switch, a mine combined switch cabinet and a mine starting cabinet, and the explosion-proof PLC control cabinets are electrically connected in series and are connected in series through an Ethernet; the mining feed switch is electrically connected with the mining starting cabinet and is in communication connection through a Modbus RTU bus; the mining starting cabinet is connected with the explosion-proof PLC control cabinet through control signals; the mining combined switch cabinet is electrically connected with the explosion-proof PLC control cabinet and the mining feed switch.
The mine-used power supply system comprises a plurality of explosion-proof PLC control cabinets, a mine feed switch, a mine combined switch cabinet and a mine starting cabinet, wherein the explosion-proof PLC control cabinets are electrically connected in series and are connected in series through Ethernet; the mining feed switch is electrically connected with the mining starting cabinet and is in communication connection through a Modbus RTU bus; the mining starting cabinet is connected with the explosion-proof PLC control cabinet through control signals; the mining combined switch cabinet is electrically connected with the explosion-proof PLC control cabinet and the mining feed switch.
Specifically, the explosion-proof PLC control cabinet includes a PLC main control cabinet 32, an HEB handpiece sub-cabinet 33, an MCC main control cabinet 34, an AHB auxiliary liquid cabinet 35, an MHB main liquid cabinet i 36, an MHB main liquid cabinet ii 37, and an FLB liquid cabinet 38; the PLC main control cabinet 32, the HEB machine head sub-cabinet 33, the MCC main control cabinet 34, the AHB auxiliary liquid cabinet 35, the MHB main liquid cabinet I36, the MHB main liquid cabinet II 37 and the FLB liquid cabinet 38 are sequentially connected in series through respective optical terminals through Ethernet cables; an optical transceiver of the FLB fluid cabinet 38 is connected with an optical transceiver of a main feed switch I39 in the mining feed switch through an Ethernet line, and the optical transceiver of the main feed switch I39 is connected with a Modbus master station of the main feed switch I39; and the HEB machine head sub-cabinet 33, the MCC main control cabinet 34, the AHB auxiliary liquid cabinet 35, the MHB main liquid cabinet I36, the MHB main liquid cabinet II 37 and the FLB fluid cabinet 38 are electrically connected in sequence.
The mining combined switch cabinet comprises an explosion-proof lighting cabinet 42, wherein the explosion-proof lighting cabinet 42 is connected with a main feed switch II 40 and an FLB fluid cabinet 38 in a mining feed switch.
The mining feed switch comprises a main feed switch I39, a main feed switch II 40 and a main feed switch III 41; main feed switch I39 is equipped with the Modbus master station, and main feed switch II 40 and main feed switch III 41 all are equipped with the Modbus slave station.
The mining starting cabinet comprises an underground explosion-proof soft starting cabinet I43, an underground explosion-proof soft starting cabinet II 44, an underground explosion-proof straight-start cabinet I45, an underground explosion-proof straight-start cabinet II 46 and an underground explosion-proof straight-start cabinet III 47; and Modbus slave stations are arranged on the underground explosion-proof soft starting cabinet I43, the underground explosion-proof soft starting cabinet II 44, the underground explosion-proof straight starting cabinet I45, the underground explosion-proof straight starting cabinet II 46 and the underground explosion-proof straight starting cabinet III 47.
And the main feed switch II 40, the main feed switch III 41, the underground explosion-proof soft starting cabinet I43, the underground explosion-proof soft starting cabinet II 44, the underground explosion-proof straight starting cabinet I45, the underground explosion-proof straight starting cabinet II 46 and the underground explosion-proof straight starting cabinet III 47 are respectively connected with a Modbus master station of the main feed switch I39 through respective Modbus slave stations through a Modbus RTU bus.
The underground explosion-proof soft starting cabinet I43, the underground explosion-proof soft starting cabinet II 44, the underground explosion-proof straight starting cabinet I45, the underground explosion-proof straight starting cabinet II 46 and the underground explosion-proof straight starting cabinet III 47 are all connected with the MCC main control cabinet 34.
And the underground explosion-proof direct-starting cabinet II 46 and the underground explosion-proof direct-starting cabinet III 47 are electrically connected with a main feed switch I39.
The underground explosion-proof straight-start cabinet I45 is electrically connected with a main feed switch II 40; and the underground explosion-proof soft starting cabinet I43 and the underground explosion-proof soft starting cabinet II 44 are electrically connected with the main feed switch III 41.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (9)
1. The utility model provides a shield constructs mining explosion-proof PLC switch board of quick-witted general type which characterized in that: comprises a wiring cavity (2) and a device cavity (5); the wiring cavity (2) is provided with a wiring terminal, the device cavity (5) is provided with electrical components, and each electrical component leads in and out signals through the wiring terminal;
an installation bottom plate (27) is arranged in the device cavity (5), and electric components are arranged on the installation bottom plate (27) and comprise a switch power supply I (7), a switch power supply II (28), a circuit breaker (26), a safety relay (24), an optical transceiver (9), a PLC (programmable logic controller) remote IO module (10), a valve amplification plate (23), a safety grid (11) and an intermediate relay (12);
the PLC remote IO module (10) is connected with a network interface of the optical transmitter and receiver (9) through an Ethernet cable; the other network interface of the optical transceiver (9) is connected with one end of an Ethernet cable, and the other end of the Ethernet cable passes through a network cable wall-penetrating terminal to enter an explosion-proof wiring cavity (15), and then is led out from a weak current bell mouth (3) to be connected with a PLC remote IO module in another explosion-proof PLC control cabinet;
an optical fiber interface of the optical transmitter and receiver (9) is connected with one end of an optical fiber, and the other end of the optical fiber penetrates through the optical fiber wall-penetrating terminal to enter the explosion-proof wiring cavity (15) and is led out through the weak current horn mouth (3) to be connected with an external optical transmitter and receiver;
the safety grid (11) is connected with the PLC remote IO module (10), enters the intrinsic safety wiring cavity (22) through an intrinsic safety through-wall terminal, and is further led out through the weak current horn mouth (3) to be connected with an external intrinsic safety sensor;
the valve amplification plate (23) is connected with the PLC remote IO module (10), enters the explosion-proof wiring cavity (22) through an explosion-proof wall-penetrating terminal and is further led out through the weak current bell mouth (3) to be connected with an external explosion-proof proportional valve;
the intermediate relay (12) is connected with the PLC remote IO module (10) and enters the explosion-proof wiring cavity (22) through an explosion-proof wall-penetrating terminal, and then is led out through the weak current horn mouth (3) to be connected with an external explosion-proof electromagnetic valve and a mining explosion-proof starting cabinet.
2. The shield machine general type mining explosion-proof PLC control cabinet according to claim 1, characterized in that: the wiring terminals comprise intrinsic safety wall-penetrating terminals (21), strong current wiring terminals (16), network cable wall-penetrating terminals (17), optical fiber wall-penetrating terminals (18), explosion-proof wall-penetrating terminals (19), weak current horn mouths (3), strong current horn mouths (4) and 24V power supply wiring terminal rows (20); the wiring cavity (2) comprises an intrinsic safety wiring cavity (22), an explosion-proof wiring cavity (15) and a power supply wiring cavity (29), a plurality of intrinsic safety wall-penetrating terminals (21) are arranged in the intrinsic safety wiring cavity (22), the intrinsic safety wall-penetrating terminals (21) are communicated with the device cavity (5), and the outer side wall of the intrinsic safety wiring cavity (22) is provided with a weak current horn mouth (3) and a strong current horn mouth (4);
a strong current wiring terminal (16), a network cable wall-penetrating terminal (17), an optical fiber wall-penetrating terminal (18) and a plurality of explosion-proof wall-penetrating terminals (19) are arranged in the explosion-proof wiring cavity (15), and the strong current wiring terminal (16), the network cable wall-penetrating terminal (17), the optical fiber wall-penetrating terminal (18) and the explosion-proof wall-penetrating terminals (19) are all communicated with the device cavity (5); the outer side wall of the explosion-proof wiring cavity (15) is provided with a weak current horn mouth (3) and a strong current horn mouth (4);
a 24V power supply wiring terminal block (20) is arranged in the power supply wiring cavity (29), and a weak current horn mouth (3) is arranged on the outer side wall of the power supply wiring cavity (29).
3. The shield machine general type mining explosion-proof PLC control cabinet according to claim 1, characterized in that: the device cavity (5) is provided with a cabinet door (6), and the cabinet door (6) is hinged through a door rotating shaft (25); and a door opening interlocking switch (8) is arranged on the cabinet door (6).
4. The shield machine general type mining explosion-proof PLC control cabinet according to claim 3, characterized in that: a display screen (1), an explosion-proof button (30) and an explosion-proof signboard (31) are arranged on the cabinet door (6); the explosion-proof button (30) is connected with the PLC remote IO module (10); the display screen (1) is connected with the PLC remote IO module (10) through the Ethernet.
5. The shield machine general type mining explosion-proof PLC control cabinet according to claim 4, characterized in that: a base (14) is arranged at the lower part of the device cavity (5).
6. The utility model provides an application of shield constructs mining explosion-proof PLC switch board of quick-witted general type which characterized in that: the explosion-proof PLC control cabinet as claimed in any one of claims 1-5 is applied to an explosion-proof power distribution system.
7. The application of the shield tunneling machine general-purpose mining explosion-proof PLC control cabinet according to claim 6 is characterized in that: the explosion-proof power distribution system comprises a plurality of explosion-proof PLC control cabinets, a mine feed switch, a mine combined switch cabinet and a mine starting cabinet, wherein the explosion-proof PLC control cabinets are electrically connected in series and are connected in series through Ethernet; the mining feed switch is electrically connected with the mining starting cabinet and is in communication connection through a Modbus RTU bus; the mining starting cabinet is connected with the explosion-proof PLC control cabinet through control signals; the mining combined switch cabinet is electrically connected with the explosion-proof PLC control cabinet and the mining feed switch.
8. The application of the shield tunneling machine general-purpose mining explosion-proof PLC control cabinet according to claim 7 is characterized in that: the explosion-proof PLC control cabinet comprises a PLC main control cabinet (32), an HEB machine head sub-cabinet (33), an MCC main control cabinet (34), an AHB auxiliary liquid cabinet (35), an MHB main liquid cabinet I (36), an MHB main liquid cabinet II (37) and an FLB fluid cabinet (38); the PLC main control cabinet (32), the HEB machine head sub-cabinet (33), the MCC main control cabinet (34), the AHB auxiliary liquid cabinet (35), the MHB main liquid cabinet I (36), the MHB main liquid cabinet II (37) and the FLB liquid cabinet (38) are sequentially connected in series through respective optical terminals through Ethernet cables; an optical transceiver of the FLB fluid cabinet (38) is connected with an optical transceiver of a main feed switch I (39) in the mining feed switch through an Ethernet line, and the optical transceiver of the main feed switch I (39) is connected with a Modbus master station of the main feed switch I (39); and the HEB machine head sub-cabinet (33), the MCC main control cabinet (34), the AHB auxiliary liquid cabinet (35), the MHB main liquid cabinet I (36), the MHB main liquid cabinet II (37) and the FLB liquid cabinet (38) are electrically connected in sequence.
9. The application of the shield tunneling machine general-purpose mining explosion-proof PLC control cabinet according to claim 7 is characterized in that: the mining combined switch cabinet comprises an explosion-proof lighting cabinet (42), wherein the explosion-proof lighting cabinet (42) is connected with a main feed switch II (40) and an FLB fluid cabinet (38) in a mining feed switch;
the mining feed switch comprises a main feed switch I (39), a main feed switch II (40) and a main feed switch III (41); the main feed switch I (39) is provided with a Modbus master station, and the main feed switch II (40) and the main feed switch III (41) are both provided with Modbus slave stations;
the mining starting cabinet comprises an underground explosion-proof soft starting cabinet I (43), an underground explosion-proof soft starting cabinet II (44), an underground explosion-proof straight-start cabinet I (45), an underground explosion-proof straight-start cabinet II (46) and an underground explosion-proof straight-start cabinet III (47); the underground explosion-proof soft starting cabinet I (43), the underground explosion-proof soft starting cabinet II (44), the underground explosion-proof straight starting cabinet I (45), the underground explosion-proof straight starting cabinet II (46) and the underground explosion-proof straight starting cabinet III (47) are all provided with Modbus slave stations;
the main feed switch II (40), the main feed switch III (41), the underground explosion-proof soft starting cabinet I (43), the underground explosion-proof soft starting cabinet II (44), the underground explosion-proof straight starting cabinet I (45), the underground explosion-proof straight starting cabinet II (46) and the underground explosion-proof straight starting cabinet III (47) are respectively connected with a Modbus master station of the main feed switch I (39) through respective Modbus slave stations through a Modbus RTU bus;
the underground explosion-proof soft starting cabinet I (43), the underground explosion-proof soft starting cabinet II (44), the underground explosion-proof straight-starting cabinet I (45), the underground explosion-proof straight-starting cabinet II (46) and the underground explosion-proof straight-starting cabinet III (47) are connected with the MCC main control cabinet (34);
the underground explosion-proof straight-start cabinet II (46) and the underground explosion-proof straight-start cabinet III (47) are electrically connected with the main feed switch I (39);
the underground explosion-proof straight-start cabinet I (45) is electrically connected with a main feed switch II (40); the underground explosion-proof soft starting cabinet I (43) and the underground explosion-proof soft starting cabinet II (44) are electrically connected with a main feed switch III (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910269505.0A CN109917745B (en) | 2019-04-04 | 2019-04-04 | Universal mining explosion-proof PLC control cabinet for shield machine and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN110455323A (en) * | 2019-08-16 | 2019-11-15 | 山东道宽智能科技有限公司 | A kind of mine explosion-suppression and intrinsic safety type optical fiber top plate dynamic monitor |
| CN111902002A (en) * | 2020-08-25 | 2020-11-06 | 中煤科工集团重庆研究院有限公司 | Modularization electric cabinet of rig |
| CN111935923B (en) * | 2020-09-11 | 2022-04-01 | 山东万盛电气有限公司 | Explosion-proof electrical cabinet |
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| CN201937996U (en) * | 2011-01-28 | 2011-08-17 | 北京天地玛珂电液控制系统有限公司 | Programmable logic controller (PLC) control cabinet for mine |
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| JP2869832B2 (en) * | 1992-04-13 | 1999-03-10 | 株式会社日立製作所 | Plant control device |
| CN201741013U (en) * | 2010-03-05 | 2011-02-09 | 哈尔滨天源石化装备制造有限责任公司 | Automatic quantitative loading PLC control cabinet of oil depot |
| CN202511423U (en) * | 2012-01-06 | 2012-10-31 | 广州市能迪自动化设备有限公司 | Electric control cabinet of heating ventilation air conditioning |
| CN202870619U (en) * | 2012-10-24 | 2013-04-10 | 沈阳工程学院 | Reconstructible one-chip microcomputer and PLC integrated experimental device |
| CN103244137B (en) * | 2013-05-16 | 2014-12-10 | 中铁隧道集团有限公司 | Synchronous servo control simulation device of cutter disc driving motor of earth pressure balance shield |
| CN204038941U (en) * | 2014-07-31 | 2014-12-24 | 唐山开诚电控设备集团有限公司 | Mine flameproof and intrinsic safety type endless rope winch electrical controller |
| CN205960435U (en) * | 2016-08-29 | 2017-02-15 | 中铁机械装备研究设计院(成都)有限公司 | Shield constructs owner power distribution control cabinet and advances line knot structure |
| CN108811417A (en) * | 2018-06-14 | 2018-11-13 | 安徽舜禹水务股份有限公司 | A kind of strong and weak electricity area separate type switch board |
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