CN203180497U - Motor management controller - Google Patents
Motor management controller Download PDFInfo
- Publication number
- CN203180497U CN203180497U CN 201320178049 CN201320178049U CN203180497U CN 203180497 U CN203180497 U CN 203180497U CN 201320178049 CN201320178049 CN 201320178049 CN 201320178049 U CN201320178049 U CN 201320178049U CN 203180497 U CN203180497 U CN 203180497U
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- Prior art keywords
- protection
- management controller
- motor
- model
- motor management
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Abstract
The utility model provides a motor management controller, including a local control box, a display operating unit and a remote control terminal, wherein the local control box is connected with the display operating unit via a data line, and the display operating unit is connected with the remote control terminal via network. The motor management controller described by the utility model is an intelligent, networked, digital low-voltage motor protection controller, helps to change the protection and control model of a conventional motor, replaces thermal relays, current transformers, intermediate relays, variable transmitter and other conventional electrical components, fully realizes integration of protection, measurement and control, while integrates advanced network communication technology and distributed intelligent technology; thereby providing a scientific and effective field-level protection, measuring and controlling unit for the control of industrial production process.
Description
Technical field
The utility model belongs to motor management field, is specifically related to a kind of motor management controller.
Background technology
The normal operation of motor management controller has been played crucial effects to the safety of guaranteeing motor.At present; motor management controller many with high speed ARM core processor as controller; can realize that high-speed sampling increases substantially certainty of measurement; multiple parameters such as the three-phase voltage in the time of can measuring the three phase electric machine operation, three-phase current, leakage current; nearly all electrical faults such as the phase shortage that occurs when simultaneously three phase electric machine being moved, short circuit, stall, overload, current imbalance, electric leakage, overvoltage, under-voltage, underloading are carried out complete detection and protection, and function is extremely powerful.But, often needing multiple electric elements such as thermal relay, current transformer, auxiliary relay, transmitter in this motor management controller, its complex structure is installed complexity, inconvenient operation.
The utility model content
The utility model provides a kind of motor management controller simple in structure at above-mentioned the deficiencies in the prior art.
The utility model is achieved by the following technical solution:
A kind of motor management controller comprises local control cabinet, display operation unit and remote control terminal, and local control cabinet links to each other by data wire with the display operation unit, and the display operation unit links to each other by network with remote control terminal.
Further, described remote control terminal is RTU, PLC or industrial computer.
Further, be provided with working power, core processor, current transformer, voltage transformer, electric leakage instrument transformer, contactor state detection circuit, signal amplification circuit and A/D convertor circuit in the described local control cabinet; Working power links to each other with core processor; After current transformer, voltage transformer, electric leakage instrument transformer and contactor state detection circuit are gathered signal, after the signal conversion of the amplification of signal amplification circuit and A/D convertor circuit, link to each other with core processor.
Motor management controller described in the utility model is a kind of intellectuality, networking, digitalized low-voltage motor protection controller; It has changed traditional motor protection and control model, has replaced thermal relay, current transformer, auxiliary relay, conventional electrical appliance elements such as transmitter are protected in round Realization, are measured, control the integrated while, have dissolved in advanced network communications technology and distributed intelligence technology; Thereby for industrial processes control provides scientific and effective field level protection, measurement and control unit.
The utlity model has overload, current imbalance, ground connection/electric leakage, undercurrent, stall, under-voltage, overvoltage, underpower, multiple digital protecting functions such as overtime are accelerated in starting, satisfy across-the-line starting, start modes such as two-way starting, star/triangle starting.The defencive function flexible configuration makes things convenient for the user to take into account safety in production and quantity-produced balance; Local control cabinet and display operation unit adopt the partial installation structure, install/safeguard very flexible; Can realize the measurement of the electrical parameters such as three-phase current, earth current of motor circuit; Can realize network communication with RTU, PLC and multiple microcomputer industrial control equipment, constitute distributed combined power supervisory control system.
The utility model is by the real-time monitoring to the three-phase current of motor, three-phase voltage, leakage current, contactor state, thereby realized the perfect protection to motor.Various defencive functions are separate, and the kinds of protect function might trigger simultaneously, but have only the defencive function that reaches the dropout condition at first to send the order of threading off.All defencive functions all can be adjusted setting, start or close according to actual conditions by remote control terminal or display operation unit, and it is simple in structure, easy to use.
Description of drawings
Fig. 1 is the structured flowchart of motor management controller described in the utility model;
Fig. 2 is the internal structure block diagram of local control cabinet.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the utility model provides a kind of motor management controller, comprise local control cabinet, display operation unit and remote control terminal, local control cabinet links to each other by data wire with the display operation unit, and the display operation unit links to each other by network with remote control terminal.Described remote control terminal is RTU, PLC or industrial computer, and the communications protocol of display operation unit and remote control terminal can be MODBUS-RTU agreement, PROFIBUS-DP agreement or two MODBUS-RTU agreement.Local control cabinet and display operation unit adopt the partial installation structure, can make installation and maintenance more flexible.
As shown in Figure 2, be provided with working power, core processor, current transformer, voltage transformer, electric leakage instrument transformer, contactor state detection circuit, signal amplification circuit and A/D convertor circuit in the described local control cabinet; Working power links to each other with core processor; After current transformer, voltage transformer, electric leakage instrument transformer and contactor state detection circuit are gathered signal, after the signal conversion of the amplification of signal amplification circuit and A/D convertor circuit, link to each other with core processor.Core controller realizes that according to the real-time monitoring of three-phase current, three-phase voltage, leakage current and the contactor state of motor overtime protection, ground protection, external fault protection, under voltage protection, overvoltage protection, earth leakage protective, underpower protection, phase sequence and t are accelerated in overload protection, overcurrent protection, underload protection, stall overcurrent protection, phase shortage/unbalance protection, the starting to motor
EGuardtime etc.
The utility model not only is confined to above-mentioned embodiment; persons skilled in the art are according to the disclosed content of the utility model; can adopt other multiple embodiment to implement the utility model; therefore; every employing project organization of the present utility model and thinking; do some simple designs that change or change, all fall into the scope of the utility model protection.
Claims (3)
1. a motor management controller is characterized in that, comprises local control cabinet, display operation unit and remote control terminal, and local control cabinet links to each other by data wire with the display operation unit, and the display operation unit links to each other by network with remote control terminal.
2. motor management controller according to claim 1 is characterized in that, described remote control terminal is RTU, PLC or industrial computer.
3. motor management controller according to claim 1, it is characterized in that, be provided with working power, core processor, current transformer, voltage transformer, electric leakage instrument transformer, contactor state detection circuit, signal amplification circuit and A/D convertor circuit in the described local control cabinet; Working power links to each other with core processor; After current transformer, voltage transformer, electric leakage instrument transformer and contactor state detection circuit are gathered signal, after the signal conversion of the amplification of signal amplification circuit and A/D convertor circuit, link to each other with core processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178049 CN203180497U (en) | 2013-04-10 | 2013-04-10 | Motor management controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178049 CN203180497U (en) | 2013-04-10 | 2013-04-10 | Motor management controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203180497U true CN203180497U (en) | 2013-09-04 |
Family
ID=49077157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320178049 Expired - Fee Related CN203180497U (en) | 2013-04-10 | 2013-04-10 | Motor management controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203180497U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592931A (en) * | 2013-12-02 | 2014-02-19 | 丹东华通测控有限公司 | Low-voltage electric motor protection controller and CAN bus connected multipoint remote-control device |
| CN104795794A (en) * | 2015-03-25 | 2015-07-22 | 安徽智瑞电气有限公司 | Low-voltage motor protection and measuring control device |
| CN105094044A (en) * | 2015-09-15 | 2015-11-25 | 国网山东夏津县供电公司 | Intelligent detection control system for motors |
| CN106849013A (en) * | 2017-02-17 | 2017-06-13 | 江苏嘉顿威尔电气有限公司 | Multi-function motor comprehensive control protector |
-
2013
- 2013-04-10 CN CN 201320178049 patent/CN203180497U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592931A (en) * | 2013-12-02 | 2014-02-19 | 丹东华通测控有限公司 | Low-voltage electric motor protection controller and CAN bus connected multipoint remote-control device |
| CN104795794A (en) * | 2015-03-25 | 2015-07-22 | 安徽智瑞电气有限公司 | Low-voltage motor protection and measuring control device |
| CN105094044A (en) * | 2015-09-15 | 2015-11-25 | 国网山东夏津县供电公司 | Intelligent detection control system for motors |
| CN106849013A (en) * | 2017-02-17 | 2017-06-13 | 江苏嘉顿威尔电气有限公司 | Multi-function motor comprehensive control protector |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20170410 |