CN101451252A - Transmission method and device of supervisory signal for decomposing tank - Google Patents
Transmission method and device of supervisory signal for decomposing tank Download PDFInfo
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- CN101451252A CN101451252A CNA2008103062998A CN200810306299A CN101451252A CN 101451252 A CN101451252 A CN 101451252A CN A2008103062998 A CNA2008103062998 A CN A2008103062998A CN 200810306299 A CN200810306299 A CN 200810306299A CN 101451252 A CN101451252 A CN 101451252A
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Abstract
The invention discloses a method and a device for transmitting monitoring signal of a decomposer. The method comprises a group of decomposers in serial connection and a monitoring room arranged near the decomposers; the top part of each decomposer is provided with a data acquisition module with a data communication bus; all data of each decomposer is transmitted to the data acquisition module with the data communication bus; and the data acquisition modules with the data communication bus of the decomposers are connected in series and transmit the signal to the monitoring room near the decomposers by a bus communication cable. The method and the device for transmitting the monitoring signal of the decomposers, having the advantages of reliable operation and simple wiring, can solve the problems of big consumption of cable and serious signal attenuation and signal disturbance existing in the prior art, improve operational reliability of the decomposer, lower work load of maintainers, reduce construction amount in signal acquisition and signal transmission, and lower investment cost.
Description
Technical field
The present invention relates to a kind of transfer approach and device of supervisory signal for decomposing tank, belong to the electric monitoring field.
Background technology
Alumina producing workshop at alumina producer, decomposer is the major equipment of producing, the height of decomposer generally has more than 30 meter, normally with 18～21 decomposer series connection, decomposer total length behind the polyphone is about 300～400 meters, and each decomposer top all is equipped with an agitator motor and other utility appliance.Running condition for real-time each decomposer of monitoring, data collector is installed on decomposer, be responsible for gathering the various signals of electrolyzer in operational process, whether normal as agitator motor work, more than 20 signals such as the flow of liquid, concentration, temperature in the decomposer, and these signals are sent in the watch-dog near the Control Room that is located at the decomposer, so that operator understand the working order of each decomposer at any time, and in time control the working order of each decomposer, or in time find the fault of decomposer.The method of communicating signals that adopts is at present: the data acquisition equipment by Control Room is concentrated the data signal of gathering from each decomposer, because every decomposer all has more than 20 signal demand to transmit, so at least, every decomposer all will have more than 20 signal-transmitting cable to be connected to Control Room, such 20 decomposers just need about 400 cable, the cable consumption is very big, since the quantity of cable increase, need to adopt multi-layer cable crane span structure or a large amount of steel pipe to come cabling, crane span structure or steel pipe and installation subsidiary material and construction volume are all very big, cause cost of investment to increase; Because being polyphone, decomposer connects, some decomposer is near from Control Room, some is long owing to delivery conduit away from the decomposer of Control Room, signal attenuation, cause the data accuracy of collection to descend, owing to be that multiple signals lay by cable testing bridge simultaneously, also can cause the serious interference between each data.
Summary of the invention
The object of the present invention is to provide a kind of reliablely, the transfer approach of the supervisory signal for decomposing tank that wiring is succinct and device are to solve in the prior art, the cable consumption is big, the problem of signal attenuation and signal serious interference improves the decomposer reliability of operation, and reduces the work of maintenance personnel amount.Also reduce simultaneously construction volume, reduce cost of investment at signals collecting, side signal transmission face.
The present invention realizes like this, in the transfer approach of supervisory signal for decomposing tank of the present invention, comprising one group of decomposer that polyphone connects and being located near the decomposer Control Room, at every decomposer top a data acquisition module that has the data communication bus is set, all data on each decomposer are all delivered to the data acquisition module that has the data communication bus separately, and the data acquisition module polyphone back that has the data communication bus on every decomposer passes the signal near the decomposer Control Room by the bus communication cable.
In the transfer approach of above-mentioned supervisory signal for decomposing tank, described one group of decomposer can pass the signal near the decomposer Control Room by 1 bus communication cable; Or the decomposer in one group of decomposer is divided into 2 groups or more than 2 groups, pass the signal near the decomposer Control Room by the bus communication cable more than 2 or 2.
A kind of transport unit of supervisory signal for decomposing tank, the decomposer of a group or more that comprising that polyphone connects and be located near the decomposer Control Room, every decomposer top is provided with a data acquisition module that has the data communication bus, and the data acquisition module that has the data communication bus on each decomposer in every group of decomposer is connected with Control Room behind communication bus cable polyphone.
In the transport unit of above-mentioned supervisory signal for decomposing tank, set up crane span structure between described decomposer and Control Room, the communication bus cable is fixed on the crane span structure.
In the transport unit of aforesaid supervisory signal for decomposing tank, the described data acquisition module that has the data communication bus is located in the data acquisition device, or is located in the local control box.
Compared with prior art, the transfer approach of supervisory signal for decomposing tank provided by the invention and device wiring are succinct, and the consumption of cable seldom.Owing to data acquisition module has been installed at the top of every decomposer, image data nearby, can reduce signal attenuation and signal interferential problem, data acquisition module is delivered to Control Room with the various image data on the decomposer of this locality by a communication bus cable, or be delivered to Control Room by a communication bus cable with the data of each decomposer of prime polyphone back, compared with prior art, the consumption of cable reduces greatly, because number of cables has reduced a lot, wiring is succinct, be convenient to safeguard, improved the decomposer reliability of operation, reduced the work of maintenance personnel amount.Aspect the laying of cable, do not need multilayer yet, heavy crane span structure carries cable, so the crane span structure cost of manufacture of cabling and construction volume also reduce greatly, has reduced cost of investment.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Mark in the accompanying drawing is: the 1-decomposer, 2-Control Room, 3-have the data acquisition module of data communication bus, 4-communication bus cable, 5-crane span structure.
Embodiment
Embodiments of the invention: the transfer approach of supervisory signal for decomposing tank of the present invention and device are as shown in Figure 1, this method comprises one group of decomposer that polyphone connects and is located near the Control Room of decomposer, at every decomposer top a data acquisition module that has the data communication bus is set, all data on each decomposer are all delivered to the data acquisition module that has the data communication bus separately, and the data acquisition module polyphone back that has the data communication bus on every decomposer passes the signal near the decomposer Control Room by the bus communication cable.Described one group of decomposer can pass the signal near the decomposer Control Room by 1 bus communication cable; When the decomposer quantity in one group is excessive (such as greater than 25), the decomposer in one group of decomposer can be divided into 2 groups or more than 2 groups, and passes the signal near the decomposer Control Room by the bus communication cable more than 2 or 2.
The transport unit of a kind of supervisory signal for decomposing tank of the present invention as shown in Figure 1, the decomposer 1 of a group or more that comprising that polyphone connects and be located near the decomposer Control Room 2, every decomposer 1 top is provided with a data acquisition module 3 that has the data communication bus, and the data acquisition module that has the data communication bus 3 on each decomposer 1 in every group of decomposer 1 is connected with Control Room 2 behind communication bus cable 4 polyphones.Set up crane span structure 5 between decomposer 1 and the Control Room 2, communication bus cable 4 is fixed on the crane span structure 5.The data acquisition module 3 that has the data communication bus is located in the data acquisition device, or is located in the local control box.The data acquisition module 3 that has the data communication bus can directly adopt the product of selling on the market, as product F LS IB M12 DI 8 M12, FLS IB M12 DO 8 M12-2A, the FLM BK IB M12 etc. that can adopt PHOENIX company to produce, or the POLINT series product that adopt ROCKWELL company to produce.
It below is a concrete example
There are 42 decomposers in certain alumina producing workshop of alumina producer, and the height of decomposer has more than 30 meter.42 decomposers are divided into 2 groups, every group of 21 decomposers.After 2 groups of decomposers were contacted respectively, every group of decomposer total length was about 300～400 meters.Each decomposer top all is equipped with an agitator motor and other utility appliance.For the running condition of real-time each decomposer of monitoring, a data acquisition module that has the data communication bus is installed above each decomposer.Be responsible for gathering the various signals of electrolyzer in operational process, whether normal as agitator motor work, more than 20 signals such as the flow of liquid, concentration, temperature in the decomposer.The data acquisition module that has the data communication bus can be arranged separately in the data acquisition device; Also can be installed in the existing local control box.With the communication bus cable data acquisition module that has the data communication bus on each decomposer is contacted then, be connected in the watch-dog near the Control Room of decomposer, so that operator understand the working order of each decomposer at any time, and in time control the working order of each decomposer, or in time find the fault of decomposer.When cable running, can between Control Room and each decomposer, set up crane span structure, the communication bus cable lays along crane span structure.
Claims (5)
- The transfer approach of [claim 1] a kind of supervisory signal for decomposing tank, this method comprises one group of decomposer that polyphone connects and is located near the Control Room of decomposer, it is characterized in that: a data acquisition module that has the data communication bus is set at every decomposer top, all data on each decomposer are all delivered to the data acquisition module that has the data communication bus separately, and the data acquisition module polyphone back that has the data communication bus on every decomposer passes the signal near the decomposer Control Room by the bus communication cable.
- The transfer approach of [claim 2] supervisory signal for decomposing tank according to claim 1 is characterized in that: described one group of decomposer can pass the signal near the decomposer Control Room by 1 bus communication cable; Or the decomposer in one group of decomposer is divided into 2 groups or more than 2 groups, pass the signal near the decomposer Control Room by the bus communication cable more than 2 or 2.
- The transport unit of [claim 3] a kind of supervisory signal for decomposing tank, the decomposer (1) of a group or more that comprising that polyphone connects and be located near the Control Room (2) of decomposer, it is characterized in that: every decomposer (1) top is provided with a data acquisition module (3) that has the data communication bus, and the data acquisition module that has the data communication bus (3) on each decomposer (1) in every group of decomposer (1) is connected with Control Room (2) behind communication bus cable (4) polyphone.
- The transport unit of [claim 4] supervisory signal for decomposing tank according to claim 3 is characterized in that: set up crane span structure (5) between described decomposer (1) and Control Room (2), communication bus cable (4) is fixed on the crane span structure (5).
- The transport unit of [claim 5] supervisory signal for decomposing tank according to claim 3 is characterized in that: the described data acquisition module (3) that has the data communication bus is located in data acquisition device or the local control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103062998A CN101451252B (en) | 2008-12-17 | 2008-12-17 | Transmission method and device of supervisory signal for decomposing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103062998A CN101451252B (en) | 2008-12-17 | 2008-12-17 | Transmission method and device of supervisory signal for decomposing tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101451252A true CN101451252A (en) | 2009-06-10 |
| CN101451252B CN101451252B (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008103062998A Expired - Fee Related CN101451252B (en) | 2008-12-17 | 2008-12-17 | Transmission method and device of supervisory signal for decomposing tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146571B (en) * | 2010-02-09 | 2012-08-29 | 沈阳铝镁设计研究院有限公司 | Laying structure of upper and lower cables of bath of aluminum electrolytic bath control system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201317678Y (en) * | 2008-12-17 | 2009-09-30 | 贵阳铝镁设计研究院 | A decomposer monitor signal transmission device |
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2008
- 2008-12-17 CN CN2008103062998A patent/CN101451252B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146571B (en) * | 2010-02-09 | 2012-08-29 | 沈阳铝镁设计研究院有限公司 | Laying structure of upper and lower cables of bath of aluminum electrolytic bath control system and method |
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| Publication number | Publication date |
|---|---|
| CN101451252B (en) | 2012-05-09 |
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Effective date of registration: 20110531 Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Applicant after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Applicant before: Guiyang Aluminium and Magnesium Design Inst. |
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