CN204316185U - Remote automatic control management system for generator - Google Patents
Remote automatic control management system for generator Download PDFInfo
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- CN204316185U CN204316185U CN201420822284.8U CN201420822284U CN204316185U CN 204316185 U CN204316185 U CN 204316185U CN 201420822284 U CN201420822284 U CN 201420822284U CN 204316185 U CN204316185 U CN 204316185U
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000001934 delay Effects 0.000 claims description 21
- 238000012360 testing method Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000004821 Contact adhesive Substances 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 235000009566 rice Nutrition 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- Control Of Eletrric Generators (AREA)
Abstract
The utility model provides a remote automatic control management system of a generator, which comprises an external electric detection intermediate relay KA 2; a PLC; the station control system controls an output relay KA 1; the generator switches an alternating current contactor KM 6; a first time delay relay KT 1; a second time delay relay KT 2; grounding contactor KM 2; an external electric switching alternating current contactor KM 3; the remote monitoring system sends out an instruction, the PLC station control system controls the generator to start and stop, the control circuit is improved, and the generator at the gas field station is automatically started and stopped remotely. The utility model is used for gas field unmanned on duty station generator control has reduced operating personnel's intensity of labour, has realized the automation of generator control.
Description
Technical field
The utility model relates to automatic control system field, and after being specifically related to a kind of gas field gas gathering station unattended operation, generator realizes the generator remote automatic control and management system of remote auto start and stop technological system.
Background technology
Automatic control (automatic control) refers to when nobody participates in directly, utilizes additional equipment or device, and certain operating state of machine, equipment or production process or parameter are automatically run according to predetermined rule.Automatic control is relative Artificial Control concept.
The research of automatic control technology is conducive to the mankind being freed from complicated, dangerous, loaded down with trivial details work situation and greatly improving control efficiency.Automatic control is a branch of engineering science.It relates to the automatic impact on dynamical system utilizing feedback principle, with the value making output valve want close to us.
Current gas field website generator needs manual site's start and stop on the spot, do not possess remote auto start and stop, automatic switching function, for realizing the management and control to generator remote automatic start-stop, improve gas field production automation level, reach gas field unattended operation, the target of telemanagement, need carry out perfect to website generator control.
Utility model content
For the problems referred to above, the utility model provides a kind of unattended operation of existing website, carry out remote auto to website generator to control and monitoring, carry out when dispatch from foreign news agency is lost reporting to the police and according to condition judgment starter-generator, dispatch from foreign news agency power supply state is switched to after detection dispatch from foreign news agency is normal, the labour intensity of further minimizing employee, improves the generator remote automatic control and management system of automatization level.
For achieving the above object, by the following technical solutions, a kind of generator remote automatic control and management system, comprises outer electro-detection auxiliary relay KA2 to the utility model; PLC; Ore-controlling Role of standing controls output relay KA1; Generator switches A.C. contactor KM6; Very first time time-delay relay KT1; Second time delays relay K T2; Bonding contactor KM2; Dispatch from foreign news agency switches A.C. contactor KM3 composition;
The input DI1 of described PLC is connected with the normally closed interlock of outer electro-detection auxiliary relay KA2, the output DO1 of PLC controls output relay KA1 coil with station Ore-controlling Role and is connected, the normally open contact that described station Ore-controlling Role controls output relay KA1 is connected with the coil of bonding contactor KM2, the auxiliary contact of described bonding contactor KM2 is connected with the coil of very first time time-delay relay KT1, the time delay contact of described very first time time-delay relay KT1 is connected with generator, the output of described generator is connected with the coil of the second time delays relay K T2, the normally closed auxiliary contact that contact and the dispatch from foreign news agency of the second described time delays relay K T2 switch A.C. contactor KM3 is connected, the normally closed auxiliary contact that described dispatch from foreign news agency switches A.C. contactor KM3 is connected with Generator test auxiliary relay KA3 by electric wire, the contact of described Generator test auxiliary relay KA3 is connected with the coil that generator switches A.C. contactor KM6, the input of the normally closed auxiliary contact of described generator switching A.C. contactor KM6 controls output relay KA1 with station Ore-controlling Role and is connected, the output that described generator switches the normally closed auxiliary contact of A.C. contactor KM6 is connected with the coil that dispatch from foreign news agency switches A.C. contactor KM3,
The coil of described outer electro-detection auxiliary relay KA2 is connected with dispatch from foreign news agency palace end L2, and the coil of described Generator test auxiliary relay KA3 is connected with generator powered end L3.
The delay time of described very first time time-delay relay KT1 is 0.3-1.5 second.
The delay time of the second described time delays relay K T2 is 5-15 minute.
Described PLC is PLC remote control module, comprises on off control point XYFDJSHUT and dispatch from foreign news agency WAIDIAN output point and generator FADIANJI test point; Described on off control point XYFDJSHUT point exports as TRUE, on off control relay closes, and generator FADIANJI test point is input as TRUE, generator powered detected, and dispatch from foreign news agency WAIDIAN output point is input as FALSE simultaneously, detects that dispatch from foreign news agency is stopped transport.
The delay time of the second described time delays relay K T2 is 10 minutes.
The delay time of described very first time time-delay relay KT1 is 0.5 second.
The utility model adopts technique scheme, has the following advantages: the utility model sends instruction by long distance control system, controls generator start and stop, improve, achieve gas field website generator remote automatic start-stop to control circuit by PLC station Ore-controlling Role.The utility model is used for gas field unattended station generator control, decreases the labour intensity of operating personnel, achieves the automation of generator control.
Accompanying drawing explanation
Fig. 1 is whole circuit connection diagram of the present utility model;
Fig. 2 is that generator and dispatch from foreign news agency automatically switch and start major loop schematic diagram;
Fig. 3 is dual power supply automatic switching device control principle drawing;
Fig. 4 is PLC generator remote start and stop detection control module.
Embodiment
Embodiment is described in detail a kind of generator remote automatic control and management system further below.
Embodiment 1
A kind of generator remote automatic control and management system according to Fig. 1, comprises outer electro-detection auxiliary relay KA2; PLC; Ore-controlling Role of standing controls output relay KA1; Generator switches A.C. contactor KM6; Very first time time-delay relay KT1; Second time delays relay K T2; Bonding contactor KM2; Dispatch from foreign news agency switches A.C. contactor KM3 composition;
The input DI1 of described PLC is connected with outer electro-detection auxiliary relay KA2 normally closed interlock, the output DO1 of PLC controls output relay KA1 coil with station Ore-controlling Role and is connected, the normally open contact that described station Ore-controlling Role controls output relay KA1 is connected with the coil of bonding contactor KM2, the auxiliary contact of described bonding contactor KM2 is connected with the coil of very first time time-delay relay KT1, the time delay contact of described very first time time-delay relay KT1 is connected with generator, the output of described generator is connected with the coil of the second time delays relay K T2, the normally closed auxiliary contact that contact and the dispatch from foreign news agency of the second described time delays relay K T2 switch A.C. contactor KM3 is connected, the normally closed auxiliary contact that described dispatch from foreign news agency switches A.C. contactor KM3 is connected with Generator test auxiliary relay KA3 by electric wire, the contact of described Generator test auxiliary relay KA3 is connected with the coil that generator switches A.C. contactor KM6, the input of the normally closed auxiliary contact of described generator switching A.C. contactor KM6 controls output relay KA1 with station Ore-controlling Role and is connected, the output that described generator switches the normally closed auxiliary contact of A.C. contactor KM6 is connected with the coil that dispatch from foreign news agency switches A.C. contactor KM3,
The coil of described outer electro-detection auxiliary relay KA2 is connected with dispatch from foreign news agency palace end L2, and the coil of described Generator test auxiliary relay KA3 is connected with generator powered end L3.
Operationally, when station, Ore-controlling Role PLC input DI1 end detects that outer electro-detection auxiliary relay KA2 normally closed interlock closes, when dispatch from foreign news agency is lost, and ALM; PLC Program time delay after 2 minutes outer electro-detection auxiliary relay KA2 be still closed (dispatch from foreign news agency does not arrive), then PLC output DO1 provides and exports normally closed signal, Ore-controlling Role of standing controls output relay KA1 coil and obtains electric, Ore-controlling Role of standing controls output relay KA1 normally open contact and closes, bonding contactor KM2 coil obtains electric, and bonding contactor KM2 auxiliary contact is closed, startup very first time time-delay relay KT1, carries out time delay, very first time time-delay relay KT1 time delay contact closure, starter-generator.
Starter-generator needs to meet interlocked control with when switching back dispatch from foreign news agency simultaneously, when the second time delays relay K T2 closes, dispatch from foreign news agency switches the normally closed auxiliary contact of A.C. contactor KM3 closed (dispatch from foreign news agency is in off-position), when dispatch from foreign news agency switches A.C. contactor KM3 closed (generator starts), second time delays relay K T2KT2 closes, generator switches A.C. contactor KM6 and obtains electric, generator switches A.C. contactor KM6 master and helps contact adhesive, automatic switching switch turns to generator powered, completes and switches to generator powered power mode;
When the normally closed electric shock of DO1 disconnects (having dispatch from foreign news agency); the power-off of generator loading A.C. contactor; motor switches A.C. contactor KM6 auxiliary contact normally closed closed (generator is not powered); PLC control cabinet station Ore-controlling Role controls output relay KA1 dead electricity; generator outage, controller internal delay time 0.5S exports, and dispatch from foreign news agency switches A.C. contactor KM3 and obtains electric; automatic switching switch turns to dispatch from foreign news agency to power, and completes and switches to outer automatically controlled powering mode.
The utility model sends instruction by long distance control system, controls generator start and stop, improve, achieve gas field website generator remote automatic start-stop to control circuit by PLC station Ore-controlling Role.The utility model is used for gas field unattended station generator control, decreases the labour intensity of operating personnel, achieves the automation of generator control.
Embodiment 2
On the basis of embodiment 1, elm 20 gas gathering station generator remote on off control is example, as shown in Figure 1, comprises outer electro-detection auxiliary relay KA2; PLC; Ore-controlling Role of standing controls output relay KA1; Generator switches A.C. contactor KM6; Very first time time-delay relay KT1; Second time delays relay K T2; Bonding contactor KM2; Dispatch from foreign news agency switches A.C. contactor KM3 composition;
The input DI1 of described PLC is connected with outer electro-detection auxiliary relay KA2 normally closed interlock, the output DO1 of PLC controls output relay KA1 coil with station Ore-controlling Role and is connected, the normally open contact that described station Ore-controlling Role controls output relay KA1 is connected with the coil of bonding contactor KM2, the auxiliary contact of described bonding contactor KM2 is connected with the coil of very first time time-delay relay KT1, the delay time of very first time time-delay relay KT1 is 0.3-1.5 second, the present embodiment delay time is 0.5 second, the time delay contact of described very first time time-delay relay KT1 is connected with generator, the output of described generator is connected with the coil of the second time delays relay K T2, the delay time of the second time delays relay K T2 is 5-15 minute second, the present embodiment delay time is 10 minutes, the normally closed auxiliary contact that contact and the dispatch from foreign news agency of the second described time delays relay K T2 switch A.C. contactor KM3 contact is connected, the normally closed auxiliary contact that described dispatch from foreign news agency switches A.C. contactor KM3 is connected with Generator test auxiliary relay KA3 by electric wire, described Generator test auxiliary relay KA3 is connected with the coil that generator switches A.C. contactor KM6, the input of the normally closed auxiliary contact of described generator switching A.C. contactor KM6 controls output relay KA1 with station Ore-controlling Role and is connected, the output that described generator switches the normally closed auxiliary contact of A.C. contactor KM6 is connected with the coil that dispatch from foreign news agency switches A.C. contactor KM3.
The coil of described outer electro-detection auxiliary relay KA2 is connected with dispatch from foreign news agency palace end L2, and the coil of described Generator test auxiliary relay KA3 is connected with generator powered end L3.
Operationally, when station, Ore-controlling Role PLC input DI1 end detects that outer electro-detection auxiliary relay KA2 normally closed interlock closes, when dispatch from foreign news agency is lost, and ALM; PLC Program time delay after 2 minutes outer electro-detection auxiliary relay KA2 be still closed (dispatch from foreign news agency does not arrive), then PLC output DO1 provides and exports normally closed signal, Ore-controlling Role of standing controls output relay KA1 coil and obtains electric, Ore-controlling Role of standing controls output relay KA1 normally open contact and closes, bonding contactor KM2 coil obtains electric, and bonding contactor KM2 auxiliary contact is closed, startup very first time time-delay relay KT1, time delay 0.5 second, very first time time-delay relay KT1 time delay contact closure, starter-generator.
Starter-generator needs to meet interlocked control with when switching back dispatch from foreign news agency simultaneously, when the second time delays relay K T2 time delay was by 10 minutes, dispatch from foreign news agency switches the normally closed auxiliary contact of A.C. contactor KM3 closed (dispatch from foreign news agency is in off-position), when dispatch from foreign news agency switches A.C. contactor KM3 closed (generator starts), second time delays relay K T2KT2 closes, generator switches A.C. contactor KM6 and obtains electric, generator switches A.C. contactor KM6 master and helps contact adhesive, automatic switching switch turns to generator powered, completes and switches to generator powered power mode;
When the normally closed electric shock of DO1 disconnects (having dispatch from foreign news agency); the power-off of generator loading A.C. contactor; motor switches A.C. contactor KM6 auxiliary contact normally closed closed (generator is not powered); PLC control cabinet station Ore-controlling Role controls output relay KA1 dead electricity; generator outage, controller internal delay time 0.5S exports, and dispatch from foreign news agency switches A.C. contactor KM3 and obtains electric; automatic switching switch turns to dispatch from foreign news agency to power, and completes and switches to outer automatically controlled powering mode.
Particularly when PLC detects that KA2 opens, when dispatch from foreign news agency is lost, ALM; After 2 minutes, KA2 is still for opening (dispatch from foreign news agency does not arrive) for Program time delay, then DO1 often opens to get an electric shock and closes, closed bonding contactor KM2, starting relay KT1 starter-generator, contact timing closing.Starter-generator needs to meet interlocked control with when switching back dispatch from foreign news agency simultaneously, when time-delay relay timing was by 10 minutes, the normally closed auxiliary contact of KA3 closes (dispatch from foreign news agency is in off-position), completes switching to generator control power mode time KM2 closed (generator starts output); When KA1 normally-closed contact closed (having dispatch from foreign news agency), the normally closed auxiliary contact of generator KM6 closes (generator is not powered), and PLC:DO2 controller internal delay time 0.5S exports, and completes and switches to outer automatically controlled power mode.
The utility model sends instruction by long distance control system, controls generator start and stop, improve, achieve gas field website generator remote automatic start-stop to control circuit by PLC station Ore-controlling Role.The utility model is used for gas field unattended station generator control, decreases the labour intensity of operating personnel, achieves the automation of generator control.
Elm 20 station transformation material type selecting detail list
Sequence number | Title | Specification | Unit | Quantity | Remarks |
1 | A.C. contactor | CK1-160A(CJ40-160) | Individual | 2 | Main line controls |
2 | Auxiliary relay | OMRON MY2NJ AC220V | Individual | 3 | Detect and whether have electricity and PLC cabinet to export control |
3 | The time relay | JS14A-Y 220V, 10 seconds | Individual | 1 | |
4 | A.C. contactor | CK1-50A(CJ40-50) | Individual | 1 | Generator bonding switch control rule |
5 | The time relay | JS14A-Y 220V, 10 minutes | Individual | 1 | Start contact switch |
6 | 1.5 flat cable | BVV-0.5KV-1.5 | Volume | 1 | |
6 | Control cables | KVV-0.5KV-2*1.5 | Rice | 100 | |
10 | Power cable | VV22-1KV-3*16 | Rice | 50 | |
11 | Trough | 8 groove I/O frames | Individual | 1 | |
12 | DI fastener | 16: 24 VDC digital quantity input cards | Individual | 1 | |
13 | DO fastener | 16: 24 VDC digital output cards | Individual | 1 |
Embodiment 3
On the basis of embodiment 1, in order to realize Long-distance Control, as shown in Figure 4, described PLC is PLC remote control module, comprises on off control point XYFDJSHUT and dispatch from foreign news agency WAIDIAN output point and generator FADIANJI test point; Described on off control point XYFDJSHUT point exports as TRUE, on off control relay closes, and generator FADIANJI test point is input as TRUE, generator powered detected, and dispatch from foreign news agency WAIDIAN output point is input as FALSE simultaneously, detects that dispatch from foreign news agency is stopped transport.
(1) long distance control system detects and judges that dispatch from foreign news agency sends enabled instruction to PLC after losing, controller sends control command, control system circuit is obtained electric, control major loop is connected, after meeting interlocked control correlated condition simultaneously, complete remote control process, realize generator and dispatch from foreign news agency automatic switchover operation.
(2) Long-distance Control PLC development sequence and control module
Switchgear house dispatch from foreign news agency and generator loading output counter are transformed, as shown in Figures 2 and 3 between external electronic load inlet wire and outlet and between generator loading inlet wire and outlet, install double power supply automatic switching switch additional, this equipment is with automatic switching module.Under normal circumstances, external electronic load closes a floodgate, and when dispatch from foreign news agency is stopped transport, automatic switching module controls dispatch from foreign news agency combined floodgate and disconnects, and generator loading closes a floodgate closed (generator starts) simultaneously, and dispatch from foreign news agency switches to generator powered;
Control system hardware DO fastener adds generator on off control point, realizes Long-distance Control start and stop.
Utilize Modbus communication protocol, in PLC module module, add on off control point (XYFDJSHUT) and dispatch from foreign news agency (WAIDIAN) and generator (FADIANJI) test point as Fig. 4 and control address for it distributes.
Monitoring host computer adds control button and monitoring point, control button control XYFDJSHUT point exports as TRUE, on off control relay closes, export and control electric 220V to generator on off control case, after generator starts, FADIANJI is input as TRUE, generator powered detected, WAIDIAN is input as FALSE simultaneously, detects that dispatch from foreign news agency is stopped transport.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection range of the present utility model, everyly all belongs within protection range of the present utility model with the same or analogous design of the utility model.
Claims (6)
1. a generator remote automatic control and management system, is characterized in that, comprises outer electro-detection auxiliary relay KA2; PLC; Ore-controlling Role of standing controls output relay KA1; Generator switches A.C. contactor KM6; Very first time time-delay relay KT1; Second time delays relay K T2; Bonding contactor KM2; Dispatch from foreign news agency switches A.C. contactor KM3 composition;
The input DI1 of described PLC is connected with outer electro-detection auxiliary relay KA2 normally closed interlock, the output DO1 of PLC controls output relay KA1 coil with station Ore-controlling Role and is connected, the normally open contact that described station Ore-controlling Role controls output relay KA1 is connected with the coil of bonding contactor KM2, the auxiliary contact of described bonding contactor KM2 is connected with the coil of very first time time-delay relay KT1, the time delay contact of described very first time time-delay relay KT1 is connected with generator, the output of described generator is connected with the coil of the second time delays relay K T2, the normally closed auxiliary contact that contact and the dispatch from foreign news agency of the second described time delays relay K T2 switch A.C. contactor KM3 is connected, the normally closed auxiliary contact that described dispatch from foreign news agency switches A.C. contactor KM3 is connected with Generator test auxiliary relay KA3 by electric wire, the contact of described Generator test auxiliary relay KA3 is connected with the coil that generator switches A.C. contactor KM6, the input of the normally closed auxiliary contact of described generator switching A.C. contactor KM6 controls output relay KA1 with station Ore-controlling Role and is connected, the output that described generator switches the normally closed auxiliary contact of A.C. contactor KM6 is connected with the coil that dispatch from foreign news agency switches A.C. contactor KM3,
The coil of described outer electro-detection auxiliary relay KA2 is connected with dispatch from foreign news agency palace end L2, and the coil of described Generator test auxiliary relay KA3 is connected with generator powered end L3.
2. generator remote automatic control and management system according to claim 1, is characterized in that, the delay time of described very first time time-delay relay KT1 is 0.3-1.5 second.
3. generator remote automatic control and management system according to claim 1, is characterized in that, the delay time of the second described time delays relay K T2 is 5-15 minute.
4. generator remote automatic control and management system according to claim 2, it is characterized in that, described PLC is PLC remote control module, comprises on off control point XYFDJSHUT and dispatch from foreign news agency WAIDIAN output point and generator FADIANJI test point; Described on off control point XYFDJSHUT point exports as TRUE, on off control relay closes, and generator FADIANJI test point is input as TRUE, generator powered detected, and dispatch from foreign news agency WAIDIAN output point is input as FALSE simultaneously, detects that dispatch from foreign news agency is stopped transport.
5. generator remote automatic control and management system according to claim 3, is characterized in that, the delay time of the second described time delays relay K T2 is 10 minutes.
6. generator remote automatic control and management system according to claim 2, is characterized in that, the delay time of described very first time time-delay relay KT1 is 0.5 second.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420822284.8U CN204316185U (en) | 2014-12-23 | 2014-12-23 | Remote automatic control management system for generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420822284.8U CN204316185U (en) | 2014-12-23 | 2014-12-23 | Remote automatic control management system for generator |
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CN204316185U true CN204316185U (en) | 2015-05-06 |
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CN201420822284.8U Expired - Fee Related CN204316185U (en) | 2014-12-23 | 2014-12-23 | Remote automatic control management system for generator |
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2014
- 2014-12-23 CN CN201420822284.8U patent/CN204316185U/en not_active Expired - Fee Related
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