CN202121547U - Control system utilizing distributed control system (DCS) for controlling motors in centralized mode - Google Patents
Control system utilizing distributed control system (DCS) for controlling motors in centralized mode Download PDFInfo
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- CN202121547U CN202121547U CN2011202617440U CN201120261744U CN202121547U CN 202121547 U CN202121547 U CN 202121547U CN 2011202617440 U CN2011202617440 U CN 2011202617440U CN 201120261744 U CN201120261744 U CN 201120261744U CN 202121547 U CN202121547 U CN 202121547U
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Abstract
The utility model provides a control system utilizing a distributed control system (DCS) for controlling motors in centralized mode, which comprises a control console arranged in a control chamber. A computer is arranged on the control console and is used for connecting and controlling more than one group of low voltage control switches DMZ which are connected with corresponding intermediate controllers, and the intermediate controllers DMM are connected with and control corresponding motors M. The control system utilizes a plurality of groups of low voltage control switches, namely adds secondary elements such as relays and the like, so as to achieve the purpose that the DCS is used for controlling on-site motors in centralized mode, and can switch between automatic operation and manual operation without any disturbance, therefore various intelligent instruments can be displayed on and controlled by the computer in the control chamber in centralized mode, operators can conveniently and fast master and control various significant technological parameters at any time, normal operation of the motors can be controlled simply, conveniently and fast, and production operation can be guaranteed.
Description
Technical field
The utility model relates to a kind of control system of the DCS of utilization centralized control motor.
Technical background
At present, secondary control loop commonly used is a kind of electric loop with little Current Control high-power electric appliance.If motor directly can cause operational hazards through disconnecting link control and be inconvenient to operate; Secondary control loop is through the normally-open normally-close contact control action of contactor and thermal relay; Insert start-stop button and indicator light with series-parallel mode respectively and realize control, protection and state deixis, make things convenient for personnel to operate motor.Along with the continuous development of modern industry, various intelligence instruments are used to produce, and on the computer of control room, make operating personnel grasp important technical parameter at any time through signal cable and control device centralized displaying, and then control production.So also make original control loop can not satisfy central controlled requirement, must make corresponding improvement and be implemented in directly actuated function on the computer of control room.
Summary of the invention
The purpose of the utility model is in order to overcome the above-mentioned defective of above-mentioned known technology; A kind of control system of the DCS of utilization centralized control motor is provided; Be implemented on the computer of control room centralized displaying and control various intelligence instruments; Making that operating personnel are convenient and swift grasps and controls each important technical parameter at any time, and then the control ordinary production.
In order to achieve the above object; A kind of control system of utilizing DCS centralized control motor of the utility model; Comprise the control desk that places in the control room, control desk is provided with computer, and computer connects one group of above low-voltage control switch DMZ of control; Low-voltage control switch DMZ connects corresponding middle controller, and middle controller DMM connects the corresponding motor M of control.
The utility model further design is that corresponding middle controller is connected with one group of hand control switch DMH separately on control desk, is provided with the run indicator of corresponding each group hand control switch DMH in control desk.
The utility model design further is: described every group of low-voltage control switch DMZ is provided with 3 branch control switchs, connects electric motor starting relay, motor slew relay, motor D CS and switching relay on the spot respectively.
The utility model design further is: hand control switch DMH is provided with 3 branch control switchs, connects electric motor starting relay, motor slew relay, motor D CS and switching relay on the spot respectively.
The utility model design further is: middle controller DMM is formed by connecting through circuit with switching relay DM3 three's contact on the spot electric motor starting relay DM1, motor slew relay DM2, motor D CS; Wherein the second normally opened contact DM3b2 of the parallel circuits of the first normally opened contact DM3b1 of the normally-closed contact DM3a1 parallel circuits of the first normally-closed contact DM2a1 of motor slew relay DM2 and motor D CS and switching relay DM3 first on the spot, motor D CS and switching relay DM3 on the spot and safety protection switch TB1, motor D CS and switching relay DM3 on the spot with after the first normally opened contact DM1b1 of electric motor starting relay DM1 connects again with the second normally-closed contact DM3a2 of motor D CS and switching relay DM3 on the spot and the motor operation control lamp relay K M1 first normally opened contact KM1b1 parallel circuits, motor run indicator HR1 and motor M 1 parallel circuits, the foregoing circuit back access power supply that is linked in sequence.
The utility model utilizes some groups of low tension switches promptly to increase secondary original paper such as relay realizing using the purpose of the on-the-spot motor of DCS centralized control, and can automatically with manually between the unperturbed switching.Thereby be implemented on the computer of control room centralized displaying and control various intelligence instruments, make that operating personnel are convenient and swift to grasp at any time and control each important technical parameter, and then the simple and convenient normal operation of controlling motor quickly, production run guaranteed.
Description of drawings
Accompanying drawing 1 is the utility model control system structural representation;
Accompanying drawing 2 is the control circuit sketch of each group switch of hand control switch;
The control circuit sketch of 3 one control units of accompanying drawing;
The control circuit sketch of accompanying drawing 4 states 1 next control unit;
The control circuit sketch of accompanying drawing 5 states 2 next control units;
The control circuit sketch of accompanying drawing 6 states 3 next control units;
The control circuit sketch of accompanying drawing 7 states 4 next control units.
Embodiment
In the accompanying drawing: DM3 is DCS and switching relay on the spot; DM1 is the electric motor starting relay; DM3 is the motor slew relay; Like Fig. 1; A kind of control system of utilizing DCS centralized control motor; Comprise placing in the control room 1 control desk 2, control desk 2 is provided with computer 3, and computer 3 connects one group of above low-voltage control switch 5 (comprising 1DMZ, 2 DMZ, 3DMZ etc.) of control; Low-voltage control switch 5 connects corresponding middle controller 6, and middle controller 6 connects the motor 7 of the corresponding control of control.
In addition, corresponding middle controller 7 has one group of hand control switch 4 separately in succession on control desk 2, is provided with the run indicator 8 of corresponding each group hand control switch 4 in control desk 2.
Like Fig. 2, each group switch 9 of hand control switch 4 is equipped with 3 branch control switch K1, K2, K3, and connecting control electric motor starting relay 10 respectively and be DM1, motor slew relay 11 and be DM2, motor D CS is DM3 with switching relay 12 on the spot.
Like Fig. 3; With one group of control circuit is example; The second normally opened contact DM3b2 of the first normally opened contact DM3b1 of the normally-closed contact DM3a1 parallel circuits of the first normally-closed contact DM2a1 of motor slew relay DM2 and motor D CS and switching relay DM3 first on the spot, motor D CS and switching relay DM3 on the spot and the parallel circuits of safety protection switch TB1, motor D CS and switching relay DM3 on the spot with after the first normally opened contact DM1b1 of electric motor starting relay DM1 connects again with the second normally-closed contact DM3a2 of motor D CS and switching relay DM3 on the spot and the motor operation control lamp relay K M1 first normally opened contact KM1b1 parallel circuits, motor run indicator HR1 and motor M 1 parallel circuits, the foregoing circuit back access power supply that is linked in sequence.
Be example with first group of hand control switch below, explain specifically running:
State 1: show like Fig. 2, Fig. 4, when the motor D CS and K switch 3 closures of switching relay DM3 coil on the spot, the DM3 coil electricity, the normally-closed contact DM3a1 of DM3 opens in the loop, and normally opened contact DM3b1 is closed, its concrete condition such as Fig. 4.
State 2: conventional control button is cut off, equivalent circuit diagram such as Fig. 5, and when K switch 1 closure of electric motor starting relay DM1, the DM1 coil electricity makes the main contactor coil electricity, the closed self-locking of its normally opened contact KMb1 reaches the purpose of starter motor; When the closed DM2 coil electricity of the switching value input K of control DM2 coil, make and under the effect of spring, recover the main contactor coil blackout that its normally opened contact KMb1 breaks off, and reaches the effect of disable motor.
State 3: after breaking off with the switching value input K3 of control DM3 coil in should Fig. 3, the DM3 coil losing electricity, the normally opened contact DM3b1 of DM3 and DM3b2 break off in the loop, and normally-closed contact DM3a1 is closed, its concrete condition such as Fig. 6;
The normally-open normally-close of state: 4:DM1 and DM2 gets an electric shock and lost efficacy, and equivalent circuit diagram such as Fig. 7 promptly recover the effect of conventional control loop button.
Claims (5)
1. control system of utilizing DCS centralized control motor; It is characterized in that: comprise the control desk (2) that places in the control room (1); Control desk (2) is provided with computer (3); Computer (3) connects one group of above low-voltage control switch (5) of control, and low-voltage control switch (5) connects corresponding middle controller (6), and middle controller (6) connects the corresponding motor (7) of control.
2. control system according to claim 1; It is characterized in that: go up corresponding middle controller (6) in control desk (2) and be connected with one group of hand control switch (4) separately, be provided with the run indicator (8) of corresponding each group hand control switch (4) in control desk (2).
3. control system according to claim 1; It is characterized in that: described every group of low-voltage control switch (4) is provided with 3 branch control switchs (9), connects electric motor starting relay (10), motor slew relay (11), motor D CS and switching relay (12) on the spot respectively.
4. control system according to claim 3 is characterized in that: hand control switch DMH is provided with 3 branch control switchs, connects electric motor starting relay, motor slew relay, motor D CS and switching relay on the spot respectively.
5. control system according to claim 4; It is characterized in that: middle controller (6) is formed by connecting through circuit electric motor starting relay (10), motor slew relay (11), motor D CS and switching relay (12) three's contact on the spot; Wherein second normally opened contact (DM3b2) of the parallel circuits of first normally opened contact (DM3b1) of the parallel circuits of first normally-closed contact (DM2a1) of motor slew relay (6) and motor D CS and the normally-closed contact (DM3a1) of switching relay (12) first on the spot, motor D CS and switching relay (12) on the spot and safety protection switch (13), motor D CS and switching relay (12) on the spot with control lamp relay (14) parallel circuits with second normally-closed contact (DM3a2) of motor D CS and switching relay (12) on the spot and motor operation control lamp relay (14) first normally opened contact (KM1b1) parallel circuitss, motor run indicator HR1 with the motor operation again after first normally opened contact (DM1b1) of electric motor starting relay (10) is connected; After being linked in sequence, foregoing circuit inserts power supply, the direct again control connection motor (7) of motor operation control lamp relay (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202617440U CN202121547U (en) | 2011-07-22 | 2011-07-22 | Control system utilizing distributed control system (DCS) for controlling motors in centralized mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202617440U CN202121547U (en) | 2011-07-22 | 2011-07-22 | Control system utilizing distributed control system (DCS) for controlling motors in centralized mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202121547U true CN202121547U (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202617440U Expired - Fee Related CN202121547U (en) | 2011-07-22 | 2011-07-22 | Control system utilizing distributed control system (DCS) for controlling motors in centralized mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202121547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103631193A (en) * | 2013-12-13 | 2014-03-12 | 东北大学 | System and method for realizing equipment control mode centralized undisturbed transfer |
| CN105737325A (en) * | 2014-12-11 | 2016-07-06 | 中山大洋电机股份有限公司 | Indoor digital centralized control system and applied air conditioner and heating or refrigerating equipment |
-
2011
- 2011-07-22 CN CN2011202617440U patent/CN202121547U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103631193A (en) * | 2013-12-13 | 2014-03-12 | 东北大学 | System and method for realizing equipment control mode centralized undisturbed transfer |
| CN105737325A (en) * | 2014-12-11 | 2016-07-06 | 中山大洋电机股份有限公司 | Indoor digital centralized control system and applied air conditioner and heating or refrigerating equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170824 Address after: 225400 No. 16 West Tongjiang Road, Taixing Economic Development Zone, Jiangsu Patentee after: Taixing Jinjiang Chemical Industry Co.,Ltd. Address before: Jianghai District Jianghai three road 529000 Guangdong city of Jiangmen province (No. 183 Jiangmen Tiancheng solvent products Co. Ltd.) Patentee before: Jiangmen Tiancheng Solvent Production Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20190722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |