CN108107756B - On-site centralized power supply and control device for batch pneumatic doors - Google Patents
On-site centralized power supply and control device for batch pneumatic doors Download PDFInfo
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- CN108107756B CN108107756B CN201711370267.XA CN201711370267A CN108107756B CN 108107756 B CN108107756 B CN 108107756B CN 201711370267 A CN201711370267 A CN 201711370267A CN 108107756 B CN108107756 B CN 108107756B
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- pneumatic door
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
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Abstract
The invention relates to a batch pneumatic door local centralized power supply and control device which comprises a power supply incoming line terminal row, a main incoming line power switch, a dual-power automatic switching device, a power circuit switch and a pneumatic door power supply and control wiring terminal row, wherein the power supply incoming line terminal row, the main incoming line power switch, the dual-power automatic switching device, the power circuit switch and the pneumatic door power supply and control wiring terminal row are sequentially connected, a DI signal data acquisition card is connected with the pneumatic door power supply and control wiring terminal row and a communication module, and a plurality of A, K terminals and A, L terminals on the pneumatic door power supply and control wiring terminal row are combined into a cable which is respectively connected with an opening instruction and a closing instruction of a DCS cabinet. The on-site centralized power supply and control device for the batch pneumatic doors is placed at the on-site end, so that the length of cables from the on-site centralized power supply and control device for the batch pneumatic doors to each pneumatic door can be reduced, the cable consumption is saved, and the system has good economic benefits and popularization and application values.
Description
Technical Field
The invention belongs to the field of power plants or other industries, and particularly relates to a local centralized power supply and control device for batch pneumatic doors.
Background
The smoke wind system and the steam water system of the power plant have a plurality of batch pneumatic doors which are relatively intensively arranged. Such as: the coke-making Danhe power plant is expanded in different places to build a large-pressure small project on a 2x 100 ten thousand kilowatt unit, the number of cooling air doors of the middle and lower burners on the front wall of a hearth is 3 x 8=24, the number of cooling air doors of the middle and lower burners on the rear wall is 3 x 8=24, and the number of steam turbine body drain doors is dozens. The doors are all fully-opened and fully-closed pneumatic doors, each pneumatic door needs one path of 220VAC power supply, and each pneumatic door is provided with 1-2 DO signals and 2 DI signals which are connected to a control system DCS.
The conventional design of the power supply and control of these pneumatic doors is: as shown in fig. 1, DCS cabinet 9 and 220VAC power cabinet are disposed between electronic devices, pneumatic doors 10 are disposed on site, each pneumatic door 10 needs to connect 2 DI feedback signals to the DCS through a cable 13, another cable 14 transmits DO control command signals from the DCS cabinet to the 220VAC power cabinet to connect the power in series, and then a DO signal that has connected the power in series is connected from the power cabinet to the pneumatic doors through a third cable 15. Wherein, the first 13, the third cable 15 are from the electronic equipment room to the cable between the local, and every length is between 100~150 meters, because the starting point is different with the terminal point, DI and DO signal can not merge the cable, its reason is: the electrical specifications specify: the signal acquisition end and the signal output end are generally fed back or output in a hard-wired mode, and the purpose is to ensure safety and reliability. Since the pneumatic gates are relatively dispersive at the signal acquisition end, the DI and DO signals between different pneumatic gates 10 cannot be cabled together.
Each unit has 60 pneumatic gates 10, each cable is calculated according to 130m, 60 × 2 × 130 × 2=31.2Km is needed for 2 units of pneumatic gates, the conventional power supply and control wiring design has large cable consumption, and the workload of cable laying construction is huge.
Disclosure of Invention
In order to solve the problems, the invention provides a local centralized power supply and control device for batch pneumatic doors, which can save the using amount of cables and reduce the laying workload.
The technical scheme of the invention is as follows:
the utility model provides a power supply and controlling means are concentrated on spot to batch pneumatic door, includes that power incoming terminal row, total inlet wire switch, dual supply automatic switching device, power return switch, pneumatic door power supply and control binding post arrange, power incoming terminal row, total inlet wire switch, dual supply automatic switching device, power return switch, pneumatic door power supply and control binding post row connect gradually, and DI signal data acquisition card is connected pneumatic door power supply and control binding post row and communication module, a plurality of A, K terminals and A, L terminal that pneumatic door power supply and control binding post were arranged merge into the on command and the close command that a cable connected the DCS rack respectively.
The batch pneumatic door local centralized power supply and control device is arranged at the local end.
And a group of N, O and C terminals on the pneumatic door power supply and control wiring terminal row are connected with a coil of a pneumatic door.
And a group of ZO +, ZO-, ZC + and ZC-terminals on the pneumatic door power supply and control wiring terminal row are connected with a DI feedback signal of a pneumatic door.
The DI signal data acquisition card is connected with a pneumatic door power supply and control wiring terminal row through a DI terminal on the DI signal data acquisition card.
And the communication module is connected to the DCS cabinet through an RS485 communication cable.
The cable model is ZR-JKVVP-12X 1.0.
Compared with the prior art, the invention has the technical effects that DI feedback signals of all pneumatic doors are collected through pneumatic door power supply and control wiring terminal row switching and a DI acquisition card and then connected to a DCS cabinet through an RS485 communication cable by arranging the batch pneumatic door local centralized power supply and control device, a plurality of pneumatic door DO control instructions from the DCS cabinet are combined into one cable and then are connected in series through the pneumatic door power supply and control wiring terminal row and a 220VAC power supply and then are respectively transmitted to all the pneumatic doors, namely, the cable consumption is saved by combining the cables, the laying workload is reduced, and the construction period is shortened. The on-site centralized power supply and control device for the batch pneumatic doors is placed at the on-site end, so that the length of cables from the on-site centralized power supply and control device for the batch pneumatic doors to each pneumatic door can be reduced, the cable consumption is further saved, and the system has good economic benefits and popularization and application values.
Drawings
Fig. 1 is a schematic diagram of the prior art.
FIG. 2 is a schematic diagram of the present invention.
FIG. 3 is a schematic diagram of the internal wiring of the batch pneumatic door local centralized power and control apparatus.
Detailed Description
As shown in FIG. 3, a bulk pneumatic door is centralized power supply and control device on site, is placed at the local end, and includes power incoming line terminal row 1, total incoming line switch 2, dual power automatic switching device 3, power loop switch 4, pneumatic door power supply and control binding post row 5, power incoming line terminal row 1, total incoming line switch 2, dual power automatic switching device 3, power loop switch 4, pneumatic door power supply and control binding post row 5 connect gradually, and DI signal data acquisition card 6 connects pneumatic door power supply and control binding post row 5 and communication module 7.
As shown in figure 2 or 3, the device is powered by an external 220VAC power supply and is connected with a DCS cabinet 9 and a plurality of pneumatic doors 10, on one hand, a DO control command of the plurality of pneumatic doors 10 from the DCS cabinet 9 is received through one communication cable 8, the number of the cable cores in practical application is generally not more than 19 cores, so that 1 communication cable 8 is respectively combined according to DO signals of every 4 pneumatic doors, the type of the cable is ZR-JKVVP-12X1.0, wherein, the opening command of each pneumatic door is connected with A, K terminals on a pneumatic door power supply and control terminal row 5, the closing command is connected with A, L terminals on the pneumatic door power supply and control terminal row 5, after one DK terminal on a power supply loop switch 4 is connected with the 220VAC power supply in series through one group of A, N terminals on the pneumatic door power supply and control terminal row 5, the opening command is connected with coils of each pneumatic door 10 through a plurality of groups of N, -O, -C terminals 5-1, the pneumatic doors are dispersedly controlled after the DO control instructions are combined through the pneumatic door power supply and control terminal strip 5, so that cables used by the DO control instructions of the pneumatic doors 10 from the DCS cabinet 9 are reduced, the cables are still hard-wired, and the pneumatic doors are timely controlled. On the other hand, DI feedback signals of all pneumatic doors are received through a plurality of groups of ZO +, ZO-, ZC + and ZC-terminals 5-2, the DI terminals 11 on the DI signal data acquisition card 6 are accessed and then connected with the communication module 7, two DI terminals are one group and respectively correspond to two states of a switch of one pneumatic door, each group comprises +, -two terminals, the communication module 7 intensively transmits the DI feedback signals of all pneumatic doors to the DCS cabinet 9 through the RS485 communication cable 12, namely the DI feedback signals are intensively acquired through the DI signal data acquisition card 6 and transmitted to the DCS cabinet 9 through a communication mode, and the cable consumption of the DI feedback signals of the pneumatic doors to the DCS cabinet 9 is reduced. According to verification, a DI signal data acquisition card is arranged at a place where the temperature is concentrated, and the accuracy and the reliability of a feedback signal of a pneumatic door meet requirements.
The expected benefit is as follows:
adopt the pneumatic door of batch to concentrate power supply and controlling means on spot: the calculation is carried out according to 60 pneumatic doors of each unit, as shown in fig. 3, one local centralized power supply and control device is arranged for every 20 pneumatic doors, and 3 local centralized power supply and control devices are required for each unit. Considering that the number of the cable cores in practical application is not more than 19 cores generally, 1 cable is combined according to DO signals of every 4 pneumatic gates, and the cable types are respectively ZR-JKVVP-12X 1.0.
1) The cost is increased:
60/20=3 batch pneumatic doors are used in one unit to supply power and control the device in a centralized way on site, and the two units use 6 in total.
Δ CI1=1.6 × 6=9.6 ten thousand yuan (1.6 ten thousand yuan unit for the batch pneumatic door local centralized power supply and control device, including communication cable cost)
2) Saving cable cost and cable installation cost
As shown in fig. 2, the local centralized power supply and control device using pneumatic doors has 60 pneumatic doors per unit, and the cable usage of 2 units is:
DCS rack is to pneumatic door centralized power supply and controlling means on spot: 60/4 × 2 × 130=3.9Km
Centralized power supply and control of the devices to the pneumatic doors on site: 60 x 2x 10 x 2=2.4Km
The conventional solution uses cables: 60 x 2x 130 x 2=31.2Km (DCS cabinet to 220VAC power cabinet cable length is small, neglecting for calculation purposes)
The amount of cable saved by 2 units is: 31.2-3.9-2.4=24.9Km
Δ CI2=24.9 × 2=49.8 ten thousand yuan (cable calculated as 20 yuan per meter, 1 km 2 ten thousand yuan)
3) To sum up, the investment cost variation:
Δ LCC = Δ CI1- Δ CI2 ≡ 9.6-49.8 ≡ -40.2 ten thousand elements.
According to the data, the device for on-site centralized power supply and control of the batch pneumatic doors can effectively save the cable consumption, reduce the laying workload, shorten the construction period, save the cost by about 40 ten thousand yuan in the whole plant range and have good economic benefit.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (5)
1. The utility model provides a power supply and controlling means are concentrated on spot to batch pneumatic door which characterized in that: the batch pneumatic door in-situ centralized power supply and control device is arranged at an in-situ end and comprises a power supply incoming line terminal row (1), a main incoming line power switch (2), a double-power automatic switching device (3), a power loop switch (4), a pneumatic door power supply and control wiring terminal row (5), wherein the power supply incoming line terminal row (1), the main incoming line power switch (2), the double-power automatic switching device (3), the power loop switch (4), the pneumatic door power supply and control wiring terminal row (5) are sequentially connected, a DI signal data acquisition card (6) is connected with the pneumatic door power supply and control wiring terminal row (5) and a communication module (7), a plurality of A, K terminals and A, L terminals on the pneumatic door power supply and control wiring terminal row (5) are combined into a cable (8) to be respectively connected with an opening instruction and a closing instruction of a DCS cabinet (9), and a group of ZO +, ZO-, ZC + and ZC-terminals (5-2) on the pneumatic door power supply and control terminal bank (5) are connected with a DI feedback signal of a pneumatic door.
2. An in-situ centralized power supply and control device for batch pneumatic doors according to claim 1, wherein: and a group of N, -O, -C terminals (5-1) on the pneumatic door power supply and control terminal block (5) are connected with a coil of a pneumatic door (10).
3. An in-situ centralized power supply and control device for batch pneumatic doors according to claim 1, wherein: the DI signal data acquisition card (6) is connected with the pneumatic door power supply and control terminal bank (5) through a DI terminal (11) on the DI signal data acquisition card.
4. An in-situ centralized power supply and control device for batch pneumatic doors according to claim 1, wherein: the communication module (7) is connected to the DCS cabinet (9) through an RS485 communication cable (12).
5. An in-situ centralized power supply and control device for batch pneumatic doors according to claim 1, wherein: the cable (8) is ZR-JKVVP-12X1.0 in model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370267.XA CN108107756B (en) | 2017-12-19 | 2017-12-19 | On-site centralized power supply and control device for batch pneumatic doors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370267.XA CN108107756B (en) | 2017-12-19 | 2017-12-19 | On-site centralized power supply and control device for batch pneumatic doors |
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| CN108107756A CN108107756A (en) | 2018-06-01 |
| CN108107756B true CN108107756B (en) | 2021-05-11 |
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| CN201711370267.XA Active CN108107756B (en) | 2017-12-19 | 2017-12-19 | On-site centralized power supply and control device for batch pneumatic doors |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5956249A (en) * | 1993-07-19 | 1999-09-21 | Dorma Door Controls Inc. | Method for electromechanical control of the operational parameters of a door in conjunction with a mechanical door control mechanism |
| CN204143215U (en) * | 2014-10-16 | 2015-02-04 | 中天钢铁集团有限公司 | Air compressor set intelligent control box |
| CN204436129U (en) * | 2014-12-16 | 2015-07-01 | 河南省电力勘测设计院 | The control device of steam power station factory building pneumatic door |
| CN204834160U (en) * | 2015-08-11 | 2015-12-02 | 上海玖开电线电缆有限公司 | A high strength signal cable for industrial equipment |
| CN205489318U (en) * | 2015-12-31 | 2016-08-17 | 青岛四方庞巴迪铁路运输设备有限公司 | Integrated unit of electric system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102253884B1 (en) * | 2014-04-18 | 2021-05-20 | 대우조선해양 주식회사 | Electric power supply apparatus for cotainer ship |
-
2017
- 2017-12-19 CN CN201711370267.XA patent/CN108107756B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5956249A (en) * | 1993-07-19 | 1999-09-21 | Dorma Door Controls Inc. | Method for electromechanical control of the operational parameters of a door in conjunction with a mechanical door control mechanism |
| CN204143215U (en) * | 2014-10-16 | 2015-02-04 | 中天钢铁集团有限公司 | Air compressor set intelligent control box |
| CN204436129U (en) * | 2014-12-16 | 2015-07-01 | 河南省电力勘测设计院 | The control device of steam power station factory building pneumatic door |
| CN204834160U (en) * | 2015-08-11 | 2015-12-02 | 上海玖开电线电缆有限公司 | A high strength signal cable for industrial equipment |
| CN205489318U (en) * | 2015-12-31 | 2016-08-17 | 青岛四方庞巴迪铁路运输设备有限公司 | Integrated unit of electric system |
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| CN108107756A (en) | 2018-06-01 |
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