CN202889260U - Power shaking re-start control device used for distributed control system - Google Patents
Power shaking re-start control device used for distributed control system Download PDFInfo
- Publication number
- CN202889260U CN202889260U CN 201220457064 CN201220457064U CN202889260U CN 202889260 U CN202889260 U CN 202889260U CN 201220457064 CN201220457064 CN 201220457064 CN 201220457064 U CN201220457064 U CN 201220457064U CN 202889260 U CN202889260 U CN 202889260U
- Authority
- CN
- China
- Prior art keywords
- motor
- unit
- central processing
- relay
- processing unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Multiple Motors (AREA)
- Motor And Converter Starters (AREA)
Abstract
The utility model discloses a power shaking re-start control device used for a distributed control system, comprising a central processor, and a voltage sampling unit, a state detection unit, a state output unit, a start control unit and an energy storage unit connected with the central processor. According to the circuit voltage detected by the voltage sampling unit and the operation state of the motor detected by the state detection unit, the central processor transmits the operation state of the motor to the distributed control system through the state output unit, the operation state of the motor is obtained in real time through the distributed control system, a standby motor is prevented from being started by the distributed control system in the operation of the motor, and thereby loss caused by the simultaneous operation of two motors is prevented. Thereby, when power shaking happens, the motor stops running, the standby motor is not started by the distributed control system, and the motor is restarted by the start control unit in the control device.
Description
Technical field
The utility model relates to the Motor Control field, relates in particular to a kind of rolling electricity for dcs and restarts control device.
Background technology
In industrial production, consider from the production run security standpoint, all can there be each other motor for subsequent use of two of A, B in some important occasions, synchronization only has one in normal operation, when abnormal conditions occurring, when for example the A motor breaks down, it is unusual that DCS system (dcs) detects the A motor, according to the condition of DCS default, generally can be with B motor starting for subsequent use, to guarantee continuous production.
When if above-mentioned situation occurs, A motor self and fault-free, just owing to voltage ripple of power network or electrical breakdown (rolling electric process) the A motor is stopped, after the rolling electric process finishes, conventional rolling electricity is restarted control device and the A motor can be reset, and the DCS system also can be according to the condition starting B motor of its default, the situation that can cause so A, B motor to move simultaneously, some unpredictable consequences be can produce, production accident or massive losses caused to enterprise.
The utility model content
The purpose of this utility model is to solve " the rolling electricity " that the DCS system participates in the motor of control and restarts, and make the DCS system not miss the problem of starting spare motor because of main motor " rolling electricity ", provide a kind of rolling electricity for dcs to restart control device, this device is on the basis of having studied a large amount of on-site actual situations, the new product that adopts the high-tech technological development to go out, " the rolling electricity " that can effectively solve the motor of DCS system participation control restarted, and make the DCS system not because main motor " rolling electricity " misses and starts spare motor, can be described as " rolling electricity " liberator of enterprise.
For achieving the above object, described rolling electricity for dcs is restarted control device, be characterized in, described control device comprises central processing unit, and the voltage sample unit that loop voltage is sampled that all is connected with described central processing unit communication, the state detection unit that detects motoring, the energy-storage units of when running status of motor is transferred to the State-output unit of dcs, startup control unit that the control motor is restarted and rolling electricity each described unit being powered.
Preferably, described State-output unit comprises one first relay, and wherein, the coil of described the first relay connects central processing unit, and the normally opened contact of described the first relay connects dcs; And,
Low time of the loop voltage value of returning when the voltage sample unit is detected motor when out of service less than setting-up time and state detection unit, central processing unit is controlled the first relay and is remained closed, the normally opened contact of the first relay remains closed, to notify described dcs inoperative spare motor, then described central processing unit control startup control unit carries out restarting of motor.
Preferably, described startup control unit comprises one second relay, and wherein, the coil of described the second relay connects central processing unit, and the normally opened contact of described the second relay connects motor; When needs were restarted motor, described central processing unit was controlled the second relay closes, and the normally opened contact of the second relay is closed, to start described motor.
Preferably, described control device also comprises man-machine interaction unit, communication unit and the power subsystem that all is connected with described central processing unit communication.
Preferably, described man-machine interaction unit comprises display unit and the push-button unit that all is connected with the central processing unit communication, and described display unit is used for the running state information of real-time show circuit information of voltage, motor, the Query Information of record queries information, setup parameter Query Information and days running that motor is restarted.
The beneficial effects of the utility model are, described rolling electricity for dcs is restarted control device, the loop voltage that arrives according to the voltage sample unit inspection, and the running status of the motor of state detection unit detection, central processing unit transfers to dcs by the State-output unit with the running status of motor, dcs can be understood the running status of motor in real time, prevent that dcs from starting spare motor in the process of motor operation, thereby avoided two motors to move simultaneously the loss that brings.Like this, when the rolling electricity occured, motor shut down, the inoperative spare motor of dcs, but carry out restarting of motor by the startup control unit in the control device.
Description of drawings
Fig. 1 shows the functional-block diagram of restarting control device for the rolling electricity of dcs described in the utility model.
Fig. 2 shows the circuit diagram of voltage sample unit among Fig. 1.
Fig. 3 shows the circuit diagram of state detection unit among Fig. 1.
Fig. 4 shows the circuit diagram of State-output unit and startup control unit among Fig. 1.
Fig. 5 shows the circuit diagram of central processing unit among Fig. 1 and peripheral circuit thereof.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments:
Extremely shown in Figure 5 such as Fig. 1, described rolling electricity for dcs is restarted control device, comprise central processing unit 100, and the voltage sample unit 104, state detection unit 105, State-output unit 110, startup control unit 106 and the energy-storage units 109 that all are connected with described central processing unit 100 communications, wherein, described central processing unit 101 is used for carrying out data access, processing, analysis, human-computer dialogue, communication, bus expansion, pass down the line and execution etc.; But described voltage sample unit 104 real-time samplings monitoring control loop voltage; Described state detection unit 105 is for detection of motor 300 running statuses and return central processing unit 101; Described State-output unit 110 is used for the running status of motor 300 is transferred to dcs 200, starts spare motor to avoid dcs 200 in the process mistake of motor 300 operations; After the rolling electricity occured, motor 300 was out of service, and described startup control unit 106 is used for motor 300 is restarted; Described energy-storage units 109 is used for when the rolling electricity above-mentioned each unit being powered.
Particularly, Fig. 2 shows the circuit diagram of voltage sample unit 104 among Fig. 1, as shown in Figure 2, phase voltage is isolated through transformer T1,, take a sample and dividing potential drop by resistance R 18, R25, R19 again through diode D8, D9 full-wave rectification by auxiliary winding 6,7 ends of transformer T1, obtain two positive half-sinusoid AC signal, send central processing unit 101 to carry out voltage sample and data demonstration, process.
Fig. 3 shows the circuit diagram of state detection unit 105 among Fig. 1, as shown in Figure 3, the auxiliary normal opened contact of the self-sustaining of motor 300 control contactors is connected to 1 pin of optocoupler U3 by control device as described in inputting such as two terminals of the SWTA among Fig. 5, SWTB after capacitor C 16 dividing potential drops, diode D3 rectification, resistance R 12, R13, R16, R17, R32 current limliting.When control loop charged, when motor 300 is in halted state, the potential difference of 220V or 380V is arranged between two terminals of SWTA, SWTB, optocoupler U3 conducting this moment, optocoupler U3 draws the SWS end for low level and delivers to central processing unit 101, and show that motor 300 is in halted state this moment; Otherwise when motor 300 was in running status, the potential difference of SWTA, two terminals of SWTB was 0, not conducting of optocoupler U3, and the SWS end is delivered to central processing unit 101 by drawing on the resistance R 11 as high level, and show that motor 300 is in running status this moment.
In addition, described State-output unit 110 comprises one first relay, and wherein, the coil of described the first relay connects central processing unit 101, and the normally opened contact of described the first relay connects dcs 200.Low time of the loop voltage value of returning when voltage sample unit 104 is detected motor 300 when out of service less than setting-up time and state detection unit 105, central processing unit 101 controls the first relay remains closed, the normally opened contact of the first relay remains closed, to notify described dcs 200 inoperative spare motors, then described central processing unit 101 control startup control units 106 carry out restarting of motor 300.
Fig. 4 shows the circuit diagram of State-output unit 110 and startup control unit 106 among Fig. 1, as shown in Figure 4, described control device provides first relay K 3, the normally opened contact of the first relay K 3 is received dcs 200, as the operating state signal of motor 300, be used for informing that the present running status of motor 300 is to dcs 200.The normally opened contact of described the first relay K 3 is connected when motor 300 normal operation, and the normally opened contact of the first relay K 3 disconnects when motor 300 normally stops." rolling electricity " occurs when voltage sample unit 104 detects electrical network, and still " rolling electricity " time surpasses " the rolling electricity " that arrange during the permission time (being described setting-up time), the normally opened contact of the first relay K 3 still remains closed, be equivalent to tell dcs 200 present motor 300 still to be in running status, do not start the operation of spare motor.Like this, dcs 200 just can be passed through the potential state of the normally opened contact of monitoring the first relay K 3, judges exactly the ruuning situation of motor 300.
Described startup control unit 106 comprises one second relay K 1, the normally opened contact of this second relay K 1 causes J62, J63, the self-sustaining contact of motor 300 is received in this group contact, and our adhesive that can control described control relay K1 comes motor 300 is started control like this.As shown in Figure 4, when the RELAYA end was high level, 1 adhesive of the second relay K was sent for motor 300 and is restarted signal, and when the RELAYA end was low level, the second relay K 1 disconnected; In like manner, when the RELAYB end was high level, 3 adhesives of the first relay K were delivered to dcs 200 as the operating state signal of motor.
In addition, for assurance device in the situation of accessory power supply dead electricity, can keep the operation a period of time, the place arranges two large electric capacity at the 5V of control device inside power supply, the parameter of each electric capacity is 0.47F/5.5V, and described two large electric capacity have consisted of described energy-storage units 109.This electric capacity charges normal energy storage in when energising device, and when the rolling electricity occured, the accessory power supply dead electricity was come normal operation to central processing unit 101 and respective peripheral circuit, the first relay K 3, the second relay K 1 etc. by electric capacity, and maximum length in time can reach 12 seconds.So just can in the situation of dead electricity, also can normally motor 300 operating state signals of a falseness be delivered to dcs 200, dcs 200 is unlikely within the permission time that arranges the starting of spare motor mistake.
Further, described control device also comprises man-machine interaction unit, communication unit 108 and the power subsystem 103 that all is connected with described central processing unit 101 communications; Described man-machine interaction unit comprises display unit 102 and the push-button unit 107 that all is connected with central processing unit 101 communications, and display unit 102 is used for the running state information of real-time show circuit information of voltage, motor 300, the Query Information of record queries information, setup parameter Query Information and days running that motor 300 is restarted.
Being the utility model preferred embodiment only in sum, is not to limit practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.
Claims (4)
1. a rolling electricity that is used for dcs is restarted control device, it is characterized in that: described control device comprises central processing unit, and the voltage sample unit that loop voltage is sampled that all is connected with described central processing unit communication, the state detection unit that detects motoring, the energy-storage units of when running status of motor is transferred to the State-output unit of dcs, startup control unit that the control motor is restarted and rolling electricity each described unit being powered; And,
Described State-output unit comprises one first relay, and wherein, the coil of described the first relay connects central processing unit, and the normally opened contact of described the first relay connects dcs; And, low time of the loop voltage value of returning when the voltage sample unit is detected motor when out of service less than setting-up time and state detection unit, central processing unit is controlled the first relay and is remained closed, the normally opened contact of the first relay remains closed, to notify described dcs inoperative spare motor, then described central processing unit control startup control unit carries out restarting of motor.
2. the rolling electricity for dcs according to claim 1 is restarted control device, it is characterized in that: described startup control unit comprises one second relay, wherein, the coil of described the second relay connects central processing unit, and the normally opened contact of described the second relay connects motor; When needs were restarted motor, described central processing unit was controlled the second relay closes, and the normally opened contact of the second relay is closed, to start described motor.
3. the rolling electricity for dcs according to claim 1 and 2 is restarted control device, it is characterized in that: described control device also comprises man-machine interaction unit, communication unit and the power subsystem that all is connected with described central processing unit communication.
4. the rolling electricity for dcs according to claim 3 is restarted control device, it is characterized in that: described man-machine interaction unit comprises display unit and the push-button unit that all is connected with the central processing unit communication, and described display unit is used for the running state information of real-time show circuit information of voltage, motor, the Query Information of record queries information, setup parameter Query Information and days running that motor is restarted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220457064 CN202889260U (en) | 2012-09-10 | 2012-09-10 | Power shaking re-start control device used for distributed control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220457064 CN202889260U (en) | 2012-09-10 | 2012-09-10 | Power shaking re-start control device used for distributed control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202889260U true CN202889260U (en) | 2013-04-17 |
Family
ID=48080646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220457064 Expired - Fee Related CN202889260U (en) | 2012-09-10 | 2012-09-10 | Power shaking re-start control device used for distributed control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202889260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123647A (en) * | 2016-11-30 | 2018-06-05 | 株式会社电装 | Control apparatus of vehicle |
-
2012
- 2012-09-10 CN CN 201220457064 patent/CN202889260U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123647A (en) * | 2016-11-30 | 2018-06-05 | 株式会社电装 | Control apparatus of vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202872724U (en) | A voltage fluctuation restart control device used for a frequency converter | |
| CN203056682U (en) | Power plant black-start special-purpose diesel generating set and control system thereof | |
| CN102709998B (en) | Multifunctional charger | |
| CN105449846B (en) | A kind of direct current on-line monitoring management system and management method | |
| CN106712092A (en) | System with function of black start, and black start method | |
| CN103777539A (en) | System self-repairing controller | |
| CN203617729U (en) | Modularization emergency power supply unit | |
| CN202995324U (en) | System self-repairing controller | |
| CN102707193A (en) | Ultra-low-power implementing method for fault indicator | |
| CN201994717U (en) | Control device for supplying power to breaker control units | |
| CN203589836U (en) | Intelligent control apparatus of starting signal for diesel generating set | |
| CN202721445U (en) | Intelligent reactive power compensation integrated module | |
| CN202889260U (en) | Power shaking re-start control device used for distributed control system | |
| CN103699047B (en) | The electric automobile of controlling based on PLC is from the processing method of moving battery system fault | |
| CN102148529A (en) | Control device and control method thereof for intelligently supplying power to circuit breaker control unit | |
| CN201726115U (en) | Voltage fluctuation delay protective device of contactor | |
| CN104979905A (en) | Monitor information access automatic identification diagnosis method | |
| CN205429890U (en) | It goes up switch FTU controller to adapt to net post that joins in marriage that little power supply circuit reclosed | |
| CN202068362U (en) | Restarting device after flashover for power equipment | |
| CN204696691U (en) | A kind of modular harmonic wave control and reactive power compensator | |
| CN110829578A (en) | Remote terminal unit with power-down protection and alarm functions and using method thereof | |
| CN206175074U (en) | Diesel generating set long -distance intelligent control device | |
| CN203933152U (en) | Power plant's black startup diesel engine unit control system | |
| CN207538974U (en) | A kind of direct current variable blade control system safety control | |
| CN201975763U (en) | Programmable logic controller (PLC) control system of electric motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20150910 |
|
| EXPY | Termination of patent right or utility model |