CN106468899A - Join the host computer of cabinet and the communication connecting system of distribution loop based on intelligent relay - Google Patents
Join the host computer of cabinet and the communication connecting system of distribution loop based on intelligent relay Download PDFInfo
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- CN106468899A CN106468899A CN201610784922.5A CN201610784922A CN106468899A CN 106468899 A CN106468899 A CN 106468899A CN 201610784922 A CN201610784922 A CN 201610784922A CN 106468899 A CN106468899 A CN 106468899A
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- cabinet
- relay
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- host computer
- distribution
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of host computer joining cabinet based on intelligent relay and the communication connecting system of distribution loop, power distribution cabinet including more than 2 indoor positioned at distribution and the control unit being located at control interior, the intelligent relay that described distribution interior is additionally provided with the power distribution cabinet connecting described more than 2 by multicore cable joins cabinet, described control interior is additionally provided with one end and connects intelligent relay handing-over cabinet by communication cable, and the other end connects the switch board of control unit by network service line.Signal contact between distribution loop and host computer can be carried out integration process by processor by the present invention, and the information that communicatively completes exchanges.Substantial amounts of multicore cable between former relay handing-over cabinet and control system switch board can be saved, and corresponding with secondary circuit input and output fastener in switch board and binding post, can guarantee that achieved repertoire in prior art simultaneously again.The minimizing one side of material and fastener has saved cost, on the other hand decreases difficulty of construction and later maintenance difficulty.
Description
Technical field
The present invention relates to a kind of Information Exchange System for distribution system and host computer.More particularly to one kind is based on intelligence
Relay can join the host computer of cabinet and the communication connecting system of distribution loop.
Background technology
Produce in plant stand in large-scale petroleum chemical engineering industry, the secondary circuit in the power distribution cabinet of distribution interior, by one side relay
Cabinet, is connected to plant stand control system by point-to-point for the signals such as the state of field electrical equipment, fault, operational factor, on off control
Switch board, switch board is carried out data exchange and is carried out configuration by network service and host computer, realizes field electrical equipment
Man-machine interaction.
In relay cabinet, it is provided with several relays, on the one hand, the result of secondary circuit change passes through control relay
It is arranged on secondary circuit coil part to go to change the on off operating mode of relay contact part, be arranged on switch board when coil is powered
The relay contact closure of side, control system IO fastener receives closure signal, when secondary circuit is not to catalyst coil power supply
When, the relay contact of control system side just separates, and control system IO fastener receives cut-off signal；On the other hand, switch board
The coiler part being arranged on switch board side again by control relay goes to change the on off operating mode of relay contact part,
It is arranged on the relay contact closure of secondary returning trackside when coil is powered, when IO fastener is not powered to relay coil, two
The relay contact of minor loop side just separates.
Control system is the indispensable ingredient of modern plant, and it generally comprises host computer and switch board, controls
Power module, CPU module, input and output fastener (IO fastener), communication fastener, surge protection module, sky are mainly installed in cabinet
The equipment such as air cock and binding post.The signal that input card is sent by multicore cable point-to-point reception secondary circuit, owns
After processing via CPU, host computer is uploaded to by communication module and is shown in human-computer interaction interface.By human-computer interaction interface,
Operator can with transmitting control commands, this order in the communication fastener that communication cable delivers to switch board, through CPU process after
The point-to-point transmission of multicore cable is passed through to secondary circuit by output fastener.
As shown in figure 1, traditional relay cabinet adopts point-to-point connection form to transmit signal, need substantial amounts of cable and input
Output fastener, therefore trouble point are many and the dispersion of point position is unfavorable for managing.
Content of the invention
The technical problem to be solved be to provide a kind of can save cable and reduce construction man-hour based on intelligence
Relay can join the host computer of cabinet and the communication connecting system of distribution loop.
The technical solution adopted in the present invention is：A kind of host computer based on intelligent relay handing-over cabinet is logical with distribution loop
Letter connection system, the power distribution cabinet including more than 2 indoor positioned at distribution and the control unit being located at control interior, described joins
The intelligent relay that electric interior is additionally provided with the power distribution cabinet connecting described more than 2 by multicore cable joins cabinet, described control room
Inside it is additionally provided with one end and intelligent relay handing-over cabinet is connected by communication cable, the other end connects control unit by network service line
Switch board.
Described intelligent relay handing-over cabinet includes cpu controller, and extension is passed through in the analog input port of described cpu controller
The corresponding signal output part connecting the current transducer of each distribution loop in power distribution cabinet of input port；The opening of described cpu controller
Pass is measured in each distribution loop by each structure identical control signal output unit corresponding connection power distribution cabinet for the output port and is controlled
The control signal input of unit processed；The On-off signal port of described cpu controller is passed through each structure identical state and is believed
The corresponding outfan connecting each distribution loop in power distribution cabinet of number input block；The external communication interface of described cpu controller is successively
485 circuit, photoelectric isolation module, the first Anti-surging module, binding post and communication cable are turned by TTL and connects switch board
Binding post；The internal communications interface of described cpu controller connects display.
Each described control signal output unit includes the DO extension delivery outlet being sequentially connected in series, relay driving
Circuit and output disconnecting relay, wherein, described DO extends the switching value of the input described cpu controller of connection of delivery outlet
Output port, the outfan of described relay drive circuit connects the coil input end of described output disconnecting relay, described defeated
The DO extension described in control signal input going out control unit in the corresponding distribution loop of contact portion of disconnecting relay is defeated
The output of outlet is also connected with alarming horn.
Each described status signal input block include be sequentially connected DI extension input port and input every
Gas-discharge relay, wherein, described DI extends the On-off signal port of the outfan described cpu controller of connection of input port,
The input that described DI extends input port connects the output contact inputting disconnecting relay, and the coil of described disconnecting relay is defeated
Enter the corresponding outfan connecting distribution loop in end.
Be additionally provided with power circuit in described intelligent relay handing-over cabinet, include the second Anti-surging module being sequentially connected in series,
Ups power 43 and direct current regulation circuit, wherein, the input of described second Anti-surging module connects externally fed power supply, described
The 5V outfan of direct current regulation circuit connects cpu controller, extension input port, control signal output unit and state letter respectively
Number input block is powered；The 12V outfan of described direct current regulation circuit is respectively to the output in control signal output unit
The wire loop of the input disconnecting relay in disconnecting relay and status signal input block is powered.
Described switch board include the power module being connected in parallel successively on a pluggable guide rail, CPU module,
Ethernet communication module, MODBUS communication module and plural standby fastener, wherein, the input of described power module
External power source is connected by supply lines.Described MODBUS communication module passes sequentially through surge protection device, binding post and communication
Intelligent relay handing-over cabinet described in cable connection, described ethernet communication module passes sequentially through network service line, is arranged on control
Switch in unit processed and network service line connect the meter of the structure identical host computer of more than 2 in control unit respectively
Calculation machine network interface.
The present invention joins the host computer of cabinet and the communication connecting system of distribution loop based on intelligent relay, is using intelligence
Relay handing-over cabinet replaces traditional relay handing-over cabinet, realizes host computer and the information bidirectional of distribution loop exchanges.Intelligent relay handing-over
Cabinet adopts the mode with CPU as core processor, the signal contact between distribution loop and host computer can be passed through processor
Carry out integration process, and the information that communicatively completes exchanges.The present invention can save former relay handing-over cabinet and control system
Substantial amounts of multicore cable between switch board, and corresponding with secondary circuit input and output fastener in switch board and terminals
Son, can guarantee that achieved repertoire in prior art simultaneously again.The minimizing one side of material and fastener has saved cost,
On the other hand difficulty of construction and later maintenance difficulty are decreased.
Brief description
Fig. 1 is the attachment structure schematic diagram of distribution interior power distribution cabinet and control system host computer in prior art；
Fig. 2 is the attachment structure schematic diagram of distribution interior power distribution cabinet and control system host computer in the present invention；
Fig. 3 is switchgear house of the present invention and intelligent relay handing-over cabinet attachment structure schematic diagram；
Fig. 4 is present invention intelligence relay handing-over cabinet schematic diagram；
Fig. 5 is switch board of the present invention and epigynous computer section wiring schematic diagram.
In figure
1：Relay joins cabinet 2：Power distribution cabinet
3：Multicore cable 4：Intelligent relay joins cabinet
41：Cpu controller 42：Second Anti-surging module
43：Ups power 44：Direct current regulation circuit
411：Analog input port 412：Extension input port
413：Output switch parameter port 414：Control signal output unit
415：On-off signal port 416：Status signal input block
417：External communication interface 418：TTL turns 485 circuit
419：Photoelectric isolation module 420：First Anti-surging module
421：Binding post 422：Connection
423：Internal communications interface 424：Display
425：Alarming horn 4141：DO extends delivery outlet
4142：Relay drive circuit 4143：Output disconnecting relay
4161：DI extends input port 4162：Input disconnecting relay
5：Switch board 6：Communication cable
7：Switch board 71：Power module
72：CPU module 73：Ethernet communication module
74：MODBUS communication module 75：Other fasteners
76：Surge protection device 77：Binding post
78：Supply lines 8：Network service line
9：Control room 91：Switch
92：Network service line 93：Computer network interface
94：Host computer
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is joined based on intelligent relay with host computer and the distribution loop of cabinet
Communication connecting system is described in detail.
As shown in Fig. 2 the present invention's joins the host computer of cabinet and the communication connecting system of distribution loop based on intelligent relay,
Including positioned at the power distribution cabinet 2 of more than 2 in switchgear house A with the control unit 9 that is located in control room B is it is characterised in that described
Switchgear house A in be additionally provided with the intelligent relay of the power distribution cabinet 2 connecting described more than 2 by multicore cable 3 and join cabinet 4, institute
State to be additionally provided with one end in control room B and connect intelligent relay by communication cable 6 and join cabinet 4, the other end passes through network service line 8
Connect the switch board 7 of control unit 9.
As shown in Figure 3, Figure 4, described intelligent relay handing-over cabinet 4 includes cpu controller 41, the mould of described cpu controller 41
Analog quantity input port 411 passes through to extend the corresponding letter connecting the current transducer of each distribution loop in power distribution cabinet 2 of input port 412
Number outfan 21；It is single that the output of each structure identical control signal is passed through in the output switch parameter port 413 of described cpu controller 41
The control signal input 22 of control unit in each distribution loop of the corresponding connection power distribution cabinet 2 of unit 414；Described cpu controller 41
On-off signal port 415 pass through each structure identical status signal input block 416 corresponding connect in power distribution cabinet 2 respectively join
The outfan 23 of The electric loop；The external communication interface 417 of described cpu controller 41 passes sequentially through TTL and turns 485 circuit 418, photoelectricity
Isolation module 419, the first Anti-surging module 420, binding post 421 and communication cable 6 connect the binding post of switch board 7
77；The internal communications interface 423 of described cpu controller 41 connects display 424.
Each described control signal output unit 414 includes the DO extension delivery outlet 4141 being sequentially connected in series, continues
Electrical apparatus driving circuit 4142 and output disconnecting relay 4143, wherein, the input that described DO extends delivery outlet 4141 connects
The output switch parameter port 413 of described cpu controller 41, the outfan of described relay drive circuit 4142 connects described output
The coil input end of disconnecting relay 4143, controls in the corresponding distribution loop of contact portion of described output disconnecting relay 4143
The output that the DO described in control signal input 22 of unit processed extends delivery outlet 4141 is also connected with alarming horn 425.
Each described status signal input block 416 includes DI extension input port 4161 He being sequentially connected
Input disconnecting relay 4162, wherein, the outfan that described DI extends input port 4161 connects described cpu controller 41
On-off signal port 415, the input that described DI extends input port 4161 connects the output inputting disconnecting relay 4162
Contact, the corresponding outfan 23 connecting distribution loop of coil input end of described disconnecting relay 4162.
As shown in figure 4, being additionally provided with power circuit in described intelligent relay handing-over cabinet 4, include second being sequentially connected in series
Anti-surging module 42, ups power 43 and direct current regulation circuit 44, wherein, the input of described second Anti-surging module 42 connects
Externally fed power supply, the 5V outfan of described direct current regulation circuit 44 connect respectively cpu controller 41, extension input port 412,
Control signal output unit 414 and status signal input block 416 are powered；The 12V output of described direct current regulation circuit 44
End respectively in control signal output unit 414 output disconnecting relay 4143 and status signal input block 416 in defeated
The wire loop entering disconnecting relay 4162 is powered.
As shown in figure 5, described switch board 7 includes the power supply mould being connected in parallel successively on a pluggable guide rail
Block 71, CPU module 72, ethernet communication module 73, MODBUS communication module 74 and plural standby fastener 75, wherein,
The input of described power module 71 connects external power source by supply lines 78, is that the equipment in switch board 5 is powered.Described
MODBUS communication module 74 passes sequentially through surge protection device 76, binding post 77 and communication cable 6 and connects described intelligence and continues
Electricity handing-over cabinet 4, the switch that described ethernet communication module 73 passes sequentially through network service line 8, is arranged in control unit 9
91 and network service line 92 connect the computer network of the structure identical host computer 94 of more than 2 in control unit 9 respectively
Interface 93.
The present invention joins the host computer of cabinet and the communication connecting system of distribution loop based on intelligent relay, is using communication
Mode replace traditional point-to-point interconnection, the information of field electrical equipment in distribution loop is uploaded to upper by communication
Machine, receives the control signal of host computer by way of communication simultaneously.
In communication process, as main frame, intelligent relay handing-over cabinet is as slave for switch board.The ethernet communication mould of switch board
Block receives the order that host computer sends, and generates and reads slave machine order, and Content of Communication is switched to after switch board CPU module is processed
Standard MODBUS protocol format, is sent by MODBUS communication module and joins on the CPU communication terminal of cabinet to intelligent relay, signal
After CPU parsing, as requested by CPU gathered from each expansion interface corresponding to power distribution cabinet in secondary circuit
Switching signal or analogue signal carry out MODBUS protocol format coding, are sent to switch board MODBUS communication mould by communication signal
Block, signal, after CPU module process, by ethernet communication module through network service line and switch, uploads to host computer and enters
Row display, realizes remote data acquisition and display function.
The ethernet communication module of switch board receives the order that host computer sends, raw after switch board CPU module is processed
Become to write slave machine order, and Content of Communication is switched to standard MODBUS protocol format, sent to intelligence by MODBUS communication module
Relay joins on the CPU communication terminal of cabinet, and signal, after CPU parsing, is converted into switching signal or analogue signal according to content
It is distributed to each and exports extension element, by disconnecting relay and multicore cable, send to power distribution cabinet each corresponding loop,
Realize remotely control.
The present invention joins in the host computer of cabinet and the embodiment of the communication connecting system of distribution loop based on intelligent relay,
Described intelligent relay handing-over cabinet CPU adopts model：The product of STC12C5628AD (Shenzhen macrocrystalline)；Described switch adopts type
Number：TL-SG1024DT (TP-LINK), the product of S1700-24-AC (Huawei).
Claims (6)
1. the communication connecting system of a kind of host computer joining cabinet based on intelligent relay and distribution loop, including positioned at switchgear house
(A) power distribution cabinet (2) of more than 2 in and the control unit (9) that is located in control room (B) are it is characterised in that described distribution
The intelligent relay being additionally provided with the power distribution cabinet (2) connecting described more than 2 by multicore cable (3) in room (A) joins cabinet (4),
It is additionally provided with one end in described control room (B) and passes through intelligent relay handing-over cabinet (4) of communication cable (6) connection, the other end passes through net
Network order wire (8) connects the switch board (7) of control unit (9).
2. the communication connecting system of the host computer joining cabinet based on intelligent relay according to claim 1 and distribution loop,
It is characterized in that, described intelligent relay handing-over cabinet (4) includes cpu controller (41), and the analog quantity of described cpu controller (41) is defeated
Inbound port (411) passes through to extend the corresponding letter connecting the current transducer of each distribution loop in power distribution cabinet (2) of input port (412)
Number outfan (21)；Each structure identical control signal is passed through in the output switch parameter port (413) of described cpu controller (41)
The control signal input (22) of control unit in each distribution loop of output unit (414) corresponding connection power distribution cabinet (2)；Described
It is corresponding that each structure identical status signal input block (416) is passed through in the On-off signal port (415) of cpu controller (41)
Connect the outfan (23) of each distribution loop in power distribution cabinet (2)；The external communication interface (417) of described cpu controller (41) according to
Secondary by TTL turn 485 circuit (418), photoelectric isolation module (419), the first Anti-surging module (420), binding post (421) with
And communication cable (6) connects the binding post (77) of switch board (7)；The internal communications interface (423) of described cpu controller (41)
Connect display (424).
3. the communication connecting system of the host computer joining cabinet based on intelligent relay according to claim 2 and distribution loop,
It is characterized in that, each described control signal output unit (414) includes the DO extension delivery outlet being sequentially connected in series
(4141), relay drive circuit (4142) and output disconnecting relay (4143), wherein, described DO extends delivery outlet
(4141) input connects the output switch parameter port (413) of described cpu controller (41), described relay drive circuit
(4142) outfan connects the coil input end of described output disconnecting relay (4143), described output disconnecting relay
(4143) the DO extension output described in control signal input (22) of control unit in the corresponding distribution loop of contact portion
The output of mouth (4141) is also connected with alarming horn (425).
4. the communication connecting system of the host computer joining cabinet based on intelligent relay according to claim 2 and distribution loop,
It is characterized in that, each described status signal input block (416) includes the DI extension input port being sequentially connected
(4161) and input disconnecting relay (4162), wherein, described DI extend input port (4161) outfan connect described
The On-off signal port (415) of cpu controller (41), described DI extend input port (4161) input connect input every
The output contact of gas-discharge relay (4162), the coil input end of described disconnecting relay (4162) is corresponding to connect the defeated of distribution loop
Go out end (23).
5. the communication connecting system of the host computer joining cabinet based on intelligent relay according to claim 1 and distribution loop,
It is characterized in that, it is additionally provided with power circuit in described intelligent relay handing-over cabinet (4), include the second Anti-surging being sequentially connected in series
Module (42), ups power 43 and direct current regulation circuit (44), wherein, the input of described second Anti-surging module (42) connects
Externally fed power supply, the 5V outfan of described direct current regulation circuit (44) connects cpu controller (41), extension input port respectively
(412), control signal output unit (414) and status signal input block (416) are powered；Described direct current regulation circuit
(44) 12V outfan is respectively to the output disconnecting relay (4143) in control signal output unit (414) and status signal
The wire loop of the input disconnecting relay (4162) in input block (416) is powered.
6. the communication connecting system of the host computer joining cabinet based on intelligent relay according to claim 1 and distribution loop,
It is characterized in that, described switch board (7) includes the power module being connected in parallel successively on a pluggable guide rail
(71), CPU module (72), ethernet communication module (73), MODBUS communication module (74) and plural standby fastener
(75), wherein, the input of described power module (71) connects external power source by supply lines (78).Described MODBUS communication
Module (74) passes sequentially through surge protection device (76), binding post (77) and communication cable (6) and connects described intelligent relay
Handing-over cabinet (4), described ethernet communication module (73) passes sequentially through network service line (8), is arranged in control unit (9)
Switch (91) and network service line (92) connect the structure identical host computer of more than 2 in control unit (9) respectively
(94) computer network interface (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784922.5A CN106468899B (en) | 2016-08-31 | 2016-08-31 | Communication connection system of upper computer and distribution circuit based on intelligent relay cross cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784922.5A CN106468899B (en) | 2016-08-31 | 2016-08-31 | Communication connection system of upper computer and distribution circuit based on intelligent relay cross cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN106468899A true CN106468899A (en) | 2017-03-01 |
| CN106468899B CN106468899B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610784922.5A Active CN106468899B (en) | 2016-08-31 | 2016-08-31 | Communication connection system of upper computer and distribution circuit based on intelligent relay cross cabinet |
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| CN107332113A (en) * | 2017-09-01 | 2017-11-07 | 张志明 | A kind of electrical control gear and distribution box cabinet |
| CN113671893A (en) * | 2021-08-20 | 2021-11-19 | 四川润昌机电工程有限公司 | Centralized control system and control method used in decentralized equipment environment |
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| CN113671893A (en) * | 2021-08-20 | 2021-11-19 | 四川润昌机电工程有限公司 | Centralized control system and control method used in decentralized equipment environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106468899B (en) | 2023-08-08 |
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