CN204316391U - Intelligent electric machine control protection system - Google Patents
Intelligent electric machine control protection system Download PDFInfo
- Publication number
- CN204316391U CN204316391U CN201320272446.0U CN201320272446U CN204316391U CN 204316391 U CN204316391 U CN 204316391U CN 201320272446 U CN201320272446 U CN 201320272446U CN 204316391 U CN204316391 U CN 204316391U
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- China
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- control
- protective switching
- switching device
- cps
- electric machine
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of intelligent electric machine Control protection system; it comprises host computer, fieldbus, several CPS control and protective switching devices, and the communication port of host computer is connected by the communication port of fieldbus with each CPS control and protective switching device.The execute-in-place that intelligent electric machine Control protection system of the present utility model can be used for multiple electric motors controls and remote intelligent centralized control, realize that data transmit in real time, communication and motor running condition detect, system hardware structure is simple, there is overload, under-voltage, underload, stall, disconnected equal multiple electrical fault diagnosis and detection function, with multiple measurement functions such as electric current, voltage, power, temperature; Compared with existing Electric Machine Control protection system, function is more complete, and it is more convenient to use.
Description
Technical field
The present invention relates to electro-mechanical arts, particularly a kind of is can control the intelligent electric machine Control protection system of multiple electric motors by intelligent monitoring.
Background technology
Work with civil buildings or industrial and mining enterprises, often can use application such as the control and protections of multiple electric motors, as in building automatic control system for the operation of blower fan, pump class, control, protection, measurement or communication; The Control protection etc. of manufacturing enterprise's automation equipment; in prior art; the control and protection of multiple electric motors has normally been come by the control circuit of the composition such as relay, contactor; complex circuit; the components and parts related to are a lot; manufacturing cost is higher; intelligent power distribution can not be met and energy management system realizes remote monitoring and energy conservation demand; function is less; comprehensively real-time control and protection cannot be carried out to the situation in motor operation course; therefore, must improve existing electric machine control system.
Summary of the invention
The object of the invention is to for the existing electric machine control system circuit described in background technology complicated, the problems such as manufacturing cost is high, provide a kind of circuit simple, communication reliability is good, the diversified intelligent electric machine Control protection system of controlling functions.
The technical scheme realizing object of the present invention is as follows:
A kind of intelligent electric machine Control protection system, it comprises host computer, fieldbus, several CPS control and protective switching devices, the communication port of host computer is connected by the communication port of fieldbus with each CPS control and protective switching device, the end of incoming cables of each CPS control and protective switching device main contact is connected with three phase mains, each leading-out terminal forms major loop with the winding switching of corresponding motor, the input port connection control loop able to programme of each CPS control and protective switching device, CPS control and protective switching device is set to input port Communication Control mode able to programme, the power port of CPS control and protective switching device is connected with single phase poaer supply.
Described host computer connects fieldbus by RS485 converting interface.
Described control loop comprises switch control circuit; switch control circuit comprises normally closed key switch and Chang Kai key switch; connecting with normally closed key switch in the loop that auxiliary contact composes in parallel of often opening of often opening key switch and CPS control and protective switching device, is connected to the input port able to programme of CPS control and protective switching device.
Two external control mode port short circuits of described CPS control and protective switching device.
Intelligent electric machine Control protection system of the present invention in use; the CPS control and protective switching device of respective numbers is set according to the quantity of the motor of reality use; host computer is connected by bus with the communication port of CPS control and protective switching device; the control mode of CPS control and protective switching device is set to input port Communication Control mode able to programme; in input port connection control loop able to programme, control loop comprises switch control circuit.Different Control protection functions can be realized to motor by arranging the difference of CPS Protection parameters.Switch control circuit can realize the on-the-spot switch control rule of CPS control and protective switching device, and host computer realizes the remote centralized control to motor.
The advantage of intelligent electric machine Control protection system of the present invention is as follows: intelligent electric machine Control protection system of the present invention is collection host computer technology, field bus communication technology, intelligent CPS control and protective switching device technology intelligent motor control system, the execute-in-place that this system can be used for multiple electric motors controls and remote intelligent centralized control, realize data to transmit in real time, communication and motor running condition detect, system hardware structure is simple, while simplification secondary circuit, on-the-spot and remote synchronization is realized to the real-time detection of the various operational factor of motor and the setting of Protection parameters and amendment by fieldbus, given full play to intelligent, can the advantage of communication CPS control and protective switching device, there is overload, under-voltage, underload, stall, the equal multiple electrical fault diagnosis and detection function of breaking, with communication function, facilitate networking, be beneficial to centralized control, with multiple measurement functions such as electric current, voltage, power, temperature, with analog output function, with residual current protecting function etc.Protection parameters is adjustable, dropout rank is adjustable; Have and measure electric current, the isoparametric function of voltage; Possess pre-/to report to the police, consult the functions such as historical failure record, logout.System provides comprehensive management diagnosis information in the mode of communication, makes the electrical device status data transparency of system, realizes automatically gathering and analyzing, and can provide all kinds of form; Can measure energy resource consumption situation, add up, analyze, for power consumption and optimization of cost structure provide foundation; Can be the electric equipment operation situation that electric personnel provide detailed, clear and definite, the data that electrical management attendant is run by equipment carry out planned plant maintenance and service work, improve effective operation ratio of equipment widely, improve the operating efficiency of attendant.System can effectively realize in production process or building management control in functions such as the failure diagnosis of motor and centralized control.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of intelligent electric machine Control protection system of the present invention;
Fig. 2 is the major loop schematic diagram of intelligent electric machine Control protection system of the present invention;
Fig. 3 is intelligent electric machine Control protection system secondary control loop schematic diagram of the present invention;
Fig. 4 is intelligent electric machine Control protection system of the present invention and power supply connection diagram;
In figure, 1 is host computer, and 2 is fieldbus; 3 is CPS control and protective switching device, and 4 is communication port, and 5 is main contact; 6 is motor, and 7 is three phase mains, and 8 is input port able to programme; 9 is external control mode port; 10 is power port, and 11 is RS485 converting interface, and 12 is normally closed key switch; 13 for often to open key switch, and 14 for often to open auxiliary contact.
Embodiment
Detailed illustrating is carried out below in conjunction with accompanying drawing 1 to accompanying drawing 4 pairs of the specific embodiment of the present invention:
Embodiment 1
A kind of intelligent electric machine Control protection system, it comprises host computer 1, fieldbus 2, several CPS control and protective switching devices 3, the communication port 4 of host computer 1 is connected with the communication port 4 of each CPS control and protective switching device 3 by RS485 converting interface 11 and fieldbus 2, the end of incoming cables of each CPS control and protective switching device main contact 5 is connected with three phase mains 7, each leading-out terminal forms major loop with the winding switching of corresponding motor 6, the input port able to programme 8 connection control loop of each CPS control and protective switching device 3, two external control mode port 9 short circuits of CPS control and protective switching device 3, be set to input port 8 Communication Control mode able to programme, the power port 10 of CPS control and protective switching device 3 is connected with single phase poaer supply.
Embodiment 2
Control loop described in aforementioned schemes comprises switch control circuit; switch control circuit comprises normally closed key switch 12 and Chang Kai key switch 13; connecting with normally closed key switch 12 in the loop that auxiliary contact 14 composes in parallel of often opening of often opening key switch 13 and CPS control and protective switching device 3, is connected to the control port of CPS control and protective switching device 3.
Above-mentioned embodiment is only the simplest execution mode of the present invention; in actual applications; according to the needs of user, corresponding control loop can be set at CPS control and protective switching device peripheral circuit; and major loop is adjusted accordingly; intelligent electric machine Control protection system can be made to realize the expansion of the functions such as various reduced-voltage starting, multispeed electric machine control, motor reversible operation control; these simple alternative; all belong to the simple replacement of the solution of the present invention, all should fall within the scope of protection of the present invention.
Claims (4)
1. an intelligent electric machine Control protection system, it is characterized in that: it comprises host computer, fieldbus, several CPS control and protective switching devices, the communication port of host computer is connected by the communication port of fieldbus with each CPS control and protective switching device, the end of incoming cables of each CPS control and protective switching device main contact is connected with three phase mains, each leading-out terminal forms major loop with the winding switching of corresponding motor, the input port connection control loop able to programme of each CPS control and protective switching device, CPS control and protective switching device is set to input port Communication Control mode able to programme, the power port of CPS control and protective switching device is connected with single phase poaer supply.
2. intelligent electric machine Control protection system according to claim 1, is characterized in that: described host computer connects fieldbus by RS485 converting interface.
3. intelligent electric machine Control protection system according to claim 1; it is characterized in that: described control loop comprises switch control circuit; switch control circuit comprises normally closed key switch and Chang Kai key switch; connecting with normally closed key switch in the loop that auxiliary contact composes in parallel of often opening of often opening key switch and CPS control and protective switching device, is connected to the input port able to programme of CPS control and protective switching device.
4. intelligent electric machine Control protection system according to claim 1, is characterized in that: two external control mode port short circuits of described CPS control and protective switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320272446.0U CN204316391U (en) | 2013-05-20 | 2013-05-20 | Intelligent electric machine control protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320272446.0U CN204316391U (en) | 2013-05-20 | 2013-05-20 | Intelligent electric machine control protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204316391U true CN204316391U (en) | 2015-05-06 |
Family
ID=53138685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320272446.0U Withdrawn - After Issue CN204316391U (en) | 2013-05-20 | 2013-05-20 | Intelligent electric machine control protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204316391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236810A (en) * | 2013-05-20 | 2013-08-07 | 江苏凯隆电器有限公司 | Intelligent motor control and protection system |
| CN105371446A (en) * | 2015-12-11 | 2016-03-02 | 天津市威匡电气设备有限公司 | CPS (Control and Protective Switching Device) based control system for air conditioner |
-
2013
- 2013-05-20 CN CN201320272446.0U patent/CN204316391U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236810A (en) * | 2013-05-20 | 2013-08-07 | 江苏凯隆电器有限公司 | Intelligent motor control and protection system |
| CN105371446A (en) * | 2015-12-11 | 2016-03-02 | 天津市威匡电气设备有限公司 | CPS (Control and Protective Switching Device) based control system for air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150506 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |