CN103236810A - Intelligent motor control and protection system - Google Patents
Intelligent motor control and protection system Download PDFInfo
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- CN103236810A CN103236810A CN2013101847966A CN201310184796A CN103236810A CN 103236810 A CN103236810 A CN 103236810A CN 2013101847966 A CN2013101847966 A CN 2013101847966A CN 201310184796 A CN201310184796 A CN 201310184796A CN 103236810 A CN103236810 A CN 103236810A
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- 230000004224 protection Effects 0.000 title claims abstract description 66
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 238000011897 real-time detection Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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Abstract
The invention discloses an intelligent motor control and protection system, which comprises a host, field bus and a plurality of CPS (Central Processing System) control and protection switching electric appliances, wherein the communication port of the host is connected with the communication port of each CPS control and protection switching electric appliance through the field bus. The intelligent motor control and protection system provided by the invention can be used for field operation control and remote intelligent centralized control on a plurality of motors, realizes the real-time data transmission, communication and motor running condition detection, has a simple hardware structure, has overload, undervoltage, underload, stall, loss of phase and other motor fault detection and diagnosis functions, and current, voltage, power, temperature measurement functions and the like; and compared with the existing motor control and protection system, the functions are full, and the use is more convenient.
Description
Technical field
The present invention relates to dynamo-electric field, particularly a kind of be can intelligent monitoring the intelligent electric machine control protection system of control multiple electric motors.
Background technology
, often can use application such as the control of multiple electric motors and protections with civil buildings or industrial and mining enterprises the worker, as in the building automatic control system for operation, control, protection, measurement or the communication of blower fan, pump class; The control protection of manufacturing enterprise's automation equipment etc.; in the prior art; the control of multiple electric motors and protection are normally finished by the control circuit of compositions such as relay, contactor; complex circuit; the components and parts that relate to are a lot; manufacturing cost is higher; intelligent power distribution and energy management system be can not satisfy and remote monitoring and energy conservation demand realized; function is less; can't carry out real-time control and protection comprehensively to the situation in the motor operation course; therefore, must improve the prior motor control system.
Summary of the invention
The objective of the invention is at the prior motor control system circuit complexity described in the background technology, problems such as manufacturing cost height provide a kind of circuit simple, and communication reliability is good, the intelligent electric machine control protection system of control functional diversities.
The technical scheme that realizes purpose of the present invention is as follows:
A kind of intelligent electric machine control protection system; it comprises host computer; fieldbus; several CPS controls and protection switch electrical equipment; the communication port of host computer is connected with the communication port of protection switch electrical equipment with each CPS control by fieldbus; each CPS control is connected with three phase mains with the end of incoming cables of protection switch electrical equipment main contact; each leading-out terminal connects to form major loop with the winding of corresponding motor; each CPS control is connected control loop with the input port able to programme of protection switch electrical equipment; CPS control is set to input port Communication Control mode able to programme with protection switch electrical equipment, and CPS control is connected with single phase poaer supply with the power port of protection switch electrical equipment.
Described host computer connects fieldbus by the RS485 converting interface.
Described control loop comprises switch control circuit; switch control circuit comprises normally closed key switch and Chang Kai key switch; often open the loop that auxiliary contact composes in parallel of often opening of key switch and CPS control and protection switch electrical equipment and connect with normally closed key switch, be connected in that CPS controls and the input port able to programme of protection switch electrical equipment.
Two external control mode port short circuits of described CPS control and protection switch electrical equipment.
Intelligent electric machine control protection system of the present invention in use; the quantity of the motor that uses according to reality arranges the CPS control and protection switch electrical equipment of respective numbers; host computer is connected by bus with the communication port of protection switch electrical equipment with CPS control; CPS control is set to input port Communication Control mode able to programme with the control mode of protection switch electrical equipment; connect control loop at input port able to programme, control loop comprises switch control circuit.By realizing different control defencive functions to motor to the difference setting of CPS protection parameter.Switch control circuit can be realized the on-the-spot switch control of CPS control and protection switch electrical equipment, and host computer is realized 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, the field bus communication technology, intelligent CPS control and protection switch electrical apparatus technology intelligent motor control system, this system can be used for execute-in-place control and the remote intelligent centralized control of multiple electric motors, the realization data in real time transmits, communication and motor running condition detect, system hardware structure is simple, when simplifying secondary circuit, realize that by fieldbus scene and remote synchronization are to the real-time detection of the various operational factors of motor and setting and the modification of protection parameter; But given full play to the advantage of intelligent communication CPS control and protection switch electrical equipment, had multiple electrical fault detection and diagnostic functions such as overload, under-voltage, underload, stall, the phase failure; Have communication function, make things convenient for networking, be beneficial to centralized control; Have multiple measurement functions such as electric current, voltage, power, temperature; Have the analog quantity output function, have residual current protecting function etc.The protection parameter is adjustable, the dropout rank is adjustable; Have the electric current of measurement, the isoparametric function of voltage; Possess pre-/report to the police, consult functions such as historical failure record, logout.System provides comprehensive management diagnosis information in the mode of communication, makes the electric equipment status data transparence of system, realizes gathering automatically and analyzing, and all kinds of forms can be provided; Can measure, add up, analyze the energy resource consumption situation, for power consumption and cost structure optimization provide foundation; Can be electric personnel detailed, clear and definite electric equipment operation situation is provided, make the electrical management attendant carry out planned plant maintenance and service work by the data of equipment operation, improve effective operation ratio of equipment widely, improve work of maintenance personnel efficient.System can effectively realize in the production process or building management control in to functions such as the failure diagnosis of motor and centralized control.
Description of drawings
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;
Among the figure, 1 is host computer, and 2 is fieldbus; 3 are CPS control and protection switch electrical equipment, 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 the RS485 converting interface, and 12 is normally closed key switch; 13 for often opening key switch, and 14 for often opening auxiliary contact.
Embodiment
Carry out detailed illustrating below in conjunction with accompanying drawing 1 to 4 pairs of the specific embodiment of the present invention of accompanying drawing:
Plant intelligent electric machine control protection system; it comprises host computer 1; fieldbus 2; several CPS controls and protection switch electrical equipment 3; the communication port 4 of host computer 1 is connected with the communication port 4 of protection switch electrical equipment 3 with each CPS control by RS485 converting interface 11 and fieldbus 2; each CPS control is connected with three phase mains 7 with the end of incoming cables of protection switch electrical equipment main contact 5; each leading-out terminal connects to form major loop with the winding of corresponding motor 6; each CPS control is connected control loop with the input port able to programme 8 of protection switch electrical equipment 3; two external control mode port 9 short circuits of CPS control and protection switch electrical equipment 3; be set to input port 8 Communication Control modes able to programme, CPS control is connected with single phase poaer supply with the power port 10 of protection switch electrical equipment 3.
Embodiment 2
Comprise switch control circuit at the control loop described in the aforementioned schemes; switch control circuit comprises normally closed key switch 12 and Chang Kai key switch 13; often open the loop that auxiliary contact 14 composes in parallel of often opening of key switch 13 and CPS control and protection switch electrical equipment 3 and connect with normally closed key switch 12, be connected in that CPS controls and the control port of protection switch electrical equipment 3.
Above-mentioned embodiment only is the simplest execution mode of the present invention; in actual applications; can with protection switch electrical equipment peripheral circuit corresponding control loop be set in CPS control according to user's needs; and major loop adjusted accordingly; can make intelligent electric machine control protection system realize function expansion such as various reduced-voltage startings, 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 is controlled protection system; it is characterized in that: it comprises host computer; fieldbus; several CPS controls and protection switch electrical equipment; the communication port of host computer is connected with the communication port of protection switch electrical equipment with each CPS control by fieldbus; each CPS control is connected with three phase mains with the end of incoming cables of protection switch electrical equipment main contact; each leading-out terminal connects to form major loop with the winding of corresponding motor; each CPS control is connected control loop with the input port able to programme of protection switch electrical equipment; CPS control is set to input port Communication Control mode able to programme with protection switch electrical equipment, and CPS control is connected with single phase poaer supply with the power port of protection switch electrical equipment.
2. intelligent electric machine according to claim 1 is controlled protection system, it is characterized in that: described host computer connects fieldbus by the RS485 converting interface.
3. intelligent electric machine according to claim 1 is controlled protection system; 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; often open the loop that auxiliary contact composes in parallel of often opening of key switch and CPS control and protection switch electrical equipment and connect with normally closed key switch, be connected in that CPS controls and the input port able to programme of protection switch electrical equipment.
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 protection switch electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184796.6A CN103236810B (en) | 2013-05-20 | 2013-05-20 | Intelligent electric machine control protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184796.6A CN103236810B (en) | 2013-05-20 | 2013-05-20 | Intelligent electric machine control protection system |
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| CN103236810A true CN103236810A (en) | 2013-08-07 |
| CN103236810B CN103236810B (en) | 2016-06-29 |
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| CN201310184796.6A Active CN103236810B (en) | 2013-05-20 | 2013-05-20 | Intelligent electric machine control protection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518710A (en) * | 2013-09-28 | 2015-04-15 | 沈阳新松机器人自动化股份有限公司 | Multi-shaft motor synchronization control method and multi-shaft motor synchronization control system |
| CN104777769A (en) * | 2014-01-09 | 2015-07-15 | 浙江合极电气科技有限公司 | Centralized control device for control and protective switching devices |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5914390A (en) * | 1982-07-16 | 1984-01-25 | Toshiba Corp | Drive device for ac motor |
| CN101005258A (en) * | 2006-09-25 | 2007-07-25 | 湖南文理学院 | Computer control multiple motor variable frequency and speed regulating synchronous method and its central and distributing control system |
| CN101976997A (en) * | 2010-10-25 | 2011-02-16 | 四川省安普瑞自动化设备有限公司 | Multi-motor synchronous control system of belt conveyor |
| CN103022985A (en) * | 2012-12-07 | 2013-04-03 | 四川省电力公司内江电业局 | Protection device of closing coil |
| CN204316391U (en) * | 2013-05-20 | 2015-05-06 | 江苏凯隆电器有限公司 | Intelligent electric machine control protection system |
-
2013
- 2013-05-20 CN CN201310184796.6A patent/CN103236810B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5914390A (en) * | 1982-07-16 | 1984-01-25 | Toshiba Corp | Drive device for ac motor |
| CN101005258A (en) * | 2006-09-25 | 2007-07-25 | 湖南文理学院 | Computer control multiple motor variable frequency and speed regulating synchronous method and its central and distributing control system |
| CN101976997A (en) * | 2010-10-25 | 2011-02-16 | 四川省安普瑞自动化设备有限公司 | Multi-motor synchronous control system of belt conveyor |
| CN103022985A (en) * | 2012-12-07 | 2013-04-03 | 四川省电力公司内江电业局 | Protection device of closing coil |
| CN204316391U (en) * | 2013-05-20 | 2015-05-06 | 江苏凯隆电器有限公司 | Intelligent electric machine control protection system |
Non-Patent Citations (1)
| Title |
|---|
| 邱建洪等: "基于CAN通信技术的KB0(CPS)控制与保护开关电路多主机集中控制器", 《2011建筑工程电气技术文集》, 11 June 2011 (2011-06-11), pages 139 - 141 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104518710A (en) * | 2013-09-28 | 2015-04-15 | 沈阳新松机器人自动化股份有限公司 | Multi-shaft motor synchronization control method and multi-shaft motor synchronization control system |
| CN104777769A (en) * | 2014-01-09 | 2015-07-15 | 浙江合极电气科技有限公司 | Centralized control device for control and protective switching devices |
Also Published As
| Publication number | Publication date |
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| CN103236810B (en) | 2016-06-29 |
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Address after: 213000, room 527, Xincheng mansion complex, No. 888 middle Wu Road, Wujin District, Jiangsu, Changzhou Applicant after: Jiangsu Kailong Electronics Co., Ltd. Address before: 213000 No. 156 Dongfang Dong Road, Qishuyan District, Jiangsu, Changzhou Applicant before: Jiangsu Kailong Electronics Co., Ltd. |
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Address after: 213000 No. 156 Dongfang Dong Road, Qishuyan District, Jiangsu, Changzhou Applicant after: Jiangsu Kailong Electronics Co., Ltd. Address before: 213000, room 527, Xincheng mansion complex, No. 888 middle Wu Road, Wujin District, Jiangsu, Changzhou Applicant before: Jiangsu Kailong Electronics Co., Ltd. |
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