CN2917057Y - Modular integrated motor control protector - Google Patents
Modular integrated motor control protector Download PDFInfo
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- CN2917057Y CN2917057Y CN 200620040596 CN200620040596U CN2917057Y CN 2917057 Y CN2917057 Y CN 2917057Y CN 200620040596 CN200620040596 CN 200620040596 CN 200620040596 U CN200620040596 U CN 200620040596U CN 2917057 Y CN2917057 Y CN 2917057Y
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Abstract
The utility model relates to an integrated modularized motor control protector, which comprises a principal module. Wherein, the principal module is composed of voltage signal input, a current sensor, a null-sequence current sensor, an input module (input) plus optical isolator, a signal amplifying and processing circuit, a central microprocessor, an output module (output), a storage unit (EEPROM), a temperature measuring IC, a real-time clock IC, a HMI LCD plus keys, communication interface Modbus virgule DeviceNet virgule Profibus virgule LonWorks and a power source module. Wherein, the voltage signal input, current sensor, null-sequence current sensor, input module (input) plus optical isolator transmit signal to the signal amplifying and processing circuit and then to the central microprocessor and finally to the output module (output) or the storage unit (EEPROM) for storage. Besides, the temperature measuring IC, real-time clock IC transmits data to the microprocessor for processing. The processed data realizes mutual transmission with HMI LCD plus keys and communication interface Modbus virgule DeviceNet virgule Profibus virgule LonWorks. The utility model integrates the functions of parameter detection, protection and control and has the advantages of onsite bus communication interface, small size, easy wiring and high reliability.
Description
Technical field
The utility model relates to a kind of modularity dynamo integrated control protector, relates in particular to multiple detected parameters, kinds of protect function, multiple motor operation control and the protector of the field bus communication interface function that matches, belongs to electric stool control technology field.
Background technology
Motor is a kind of general stool device auxiliary products that use, and is special in some important complete set of equipments, and in order to ensure device security, prolong electronic stool useful life, manufacturer has developed the electronic stool protector of kinds of protect function.
At present, domestic electric motor protecting is adopted thermal relay or Analogic Electronic Circuits protector more, defencive function is few, and precision is low, and poor reliability lacks the field bus communication interface, can't carry out exchanges data thereby also can't adapt to the requirement of network management.
Most electronic type motor protectors adopt integral structure, and volume is big, and interchangeability is poor, is unsuitable for installing in the small size switch control cubicle.Motor protector only detects electric current mostly in addition, does not have the voltage detecting function, protects not comprehensive.
Summary of the invention
The protector that the purpose of this utility model is to provide a kind of can make multiple parameter detecting, have the kinds of protect function, multiple motor moves the field bus communication interface function of controlling and matching.
In order to achieve the above object, the technical solution of the utility model is: this comprehensive protection device comprises that main body module, current detection module, long-range display control module and host computer monitor Control Software.
Wherein detected parameters comprises: A phase current, B phase current, C phase current, average current, A phase voltage, B phase voltage, C phase voltage, average voltage, gross power, power, reactive power, power factor (PF), consumed power etc. are arranged.
Wherein defencive function comprises: overload protection, open phase protection, unbalance protection, residual current protecting, rotation-clogging protection, obstruction protection, underload protection, temperature (PTC) protection, under-voltage protection, overvoltage protection, underpower protection etc.
Wherein controlled function comprises: control, across-the-line starting control, double-speed motor control, reversible electric machine control, star delta starting control, auto-induction voltage-reduced starting control, the control of resistance reduced voltage starting etc. are controlled, are stopped to control, promptly stopping in starting.
Described main body module comprise voltage signal input 1, current sensor 2, zero sequence current sensor 3, input module Input+ light every 4, signal amplifies and treatment circuit 5, central microprocessor 6, output module output7, memory cell EEPROM8, temperature survey IC9, real-time clock IC10, HMI liquid crystal+button 11, communication interface Modbus/DeviceNet/Profibus/LonWorks12; Power module power supply 13.
Signal transmission between the foregoing circuit: voltage signal input 1, current sensor 2, zero sequence current sensor 3, input module Input+ light are every 4, enter central microprocessor 6 processing after being sent to signal amplification and treatment circuit 5, can arrive output module output7 after central microprocessor is handled or arrive memory cell EEPROM8 storage; Temperature survey IC9, real-time clock IC10 deliver to central microprocessor 6 with the data of measuring and handle; The data and HMI liquid crystal+button 11, the communication interface Modbus/DeviceNet/Profibus/LonWorks12 that handle through central microprocessor pass mutually.
The beneficial effects of the utility model: this is a kind of modularized motor comprehensive protection device with multiple detection, control and defencive function; it integrates multiple parameter detecting, kinds of protect function, various control function; and has a field bus communication interface; volume is small and exquisite; easy-to-connect; higher reliability is arranged, and is a kind of comprehensive protector of motor that promotional value is arranged.
Description of drawings
Fig. 1 is a dynamo integrated control protector main body module hardware principle block diagram of the present utility model;
Fig. 2 is a dynamo integrated control protector ac high voltage signal sample circuit modular circuit schematic diagram of the present utility model;
Fig. 3 is a dynamo integrated control protector instrument transformer secondary current signal sample circuit modular circuit schematic diagram of the present utility model;
Fig. 4 dynamo integrated control protector high breaking of the present utility model relay output circuit modular circuit schematic diagram;
Fig. 5 is the active high-speed figure amount of a dynamo integrated control protector of the present utility model input detecting circuit modular circuit schematic diagram;
Fig. 6 is a dynamo integrated control protector 4-20mA analogue quantity output circuit modular circuit schematic diagram of the present utility model;
Fig. 7 is a dynamo integrated control protector thermilinear thermistor resistance testing circuit modular circuit schematic diagram of the present utility model;
Fig. 8 is dynamo integrated control protector field bus communication interface module circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
This dynamo integrated control protector comprises that main body module, current detection module, long-range display control module and host computer monitor Control Software.
With reference to Fig. 1, this is a dynamo integrated control protector main body module hardware principle block diagram of the present utility model.
Described main body module comprise voltage signal input 1, current sensor 2, zero sequence current sensor 3, input module Input+ light every 4, signal amplifies and treatment circuit 5, central microprocessor 6, output module output7, memory cell EEPROM8, temperature survey IC9, real-time clock IC10, HMI liquid crystal+button 11, communication interface Modbus/DeviceNet/Profibus/LonWorks12; Power module power supply 13.
Signal transmission between the foregoing circuit: voltage signal input 1, current sensor 2, zero sequence current sensor 3, input module Input+ light are every 4, enter central microprocessor 6 processing after being sent to signal amplification and treatment circuit 5, can arrive output module output7 after central microprocessor is handled or arrive memory cell EEPROM8 storage; Temperature survey IC9, real-time clock IC10 deliver to central microprocessor 6 with the data of measuring and handle; The data and HMI liquid crystal+button 11, the communication interface Modbus/DeviceNet/Profibus/LonWorks12 that handle through central microprocessor pass mutually.
With reference to Fig. 2, this is a dynamo integrated control protector ac high voltage signal sample circuit modular circuit schematic diagram of the present utility model.
Described ac high voltage signal sample circuit modular circuit, voltage is 380V, the signal sample circuit module comprises signal sampling and reduction voltage circuit, operational amplifier signal follow circuit.
With reference to Fig. 3, this is a dynamo integrated control protector instrument transformer secondary current signal sample circuit modular circuit schematic diagram of the present utility model.
Described transducer secondary current signal sample circuit modular circuit comprises accurate power resistor signal sample circuit, operational amplifier signal follow circuit.
With reference to Fig. 4, this is a dynamo integrated control protector high breaking relay output circuit module of the present utility model.
Described high breaking relay output circuit module comprises control signal photoelectric isolating circuit, output amplifier, relay protection circuit.
With reference to Fig. 5, this is the active high-speed figure amount of a dynamo integrated control protector of the present utility model input detecting circuit module
Described active high-speed figure amount input detecting circuit module comprises active digital quantity circuit for checking input signals, digital input signals photoelectric isolating circuit, parallel data commentaries on classics serial data circuit
With reference to Fig. 6, this is a dynamo integrated control protector 4-20mA analogue quantity output circuit module of the present utility model, comprises master microprocessor PWM output isolation circuit, frequency-voltage conversion circuit, operational amplifier signal follow circuit and output constant-current source circuit.
With reference to Fig. 7, this is a dynamo integrated control protector thermilinear thermistor resistance testing circuit module of the present utility model, comprises the thermistor voltage sample circuit, serial modulus conversion chip circuit, holding wire buffer circuit.
With reference to Fig. 8, this is a dynamo integrated control protector field bus communication interface module of the present utility model, comprises holding wire buffer circuit, bus communication level shifting circuit and output protection circuit.
The following explanation of the operation principle of above-mentioned dynamo integrated control protector and function.
The dynamo integrated control protector main body module detects voltage and current detection module secondary current signal and handles and computing realization various control defencive function; current detection module detects motor three-phase current and zero sequence current signal and sends main body module to, and long-range display control module is by linking to each other with main body module and communication realization remote parameter demonstration and the output of control main body module.Host computer supervision Control Software realization network monitoring should be controlled the parameter of protector and implement controlled function.
Claims (8)
1, a kind of modular power machine integrated control protector, comprise a main body module, it is characterized in that: described main body module comprise voltage signal input (1), current sensor (2), zero sequence current sensor (3), input module Input+ light every (4), signal amplifies and treatment circuit (5), central microprocessor (6), output module output (7), memory cell EEPROM (8), temperature survey IC (9), IC (10), HMI liquid crystal+button (11), communication interface Modbus/DeviceNet/Profibus/LonWorks (12) in real time the time; Power module power supply (13);
Signal transmission between the foregoing circuit: voltage signal input (1), current sensor (2), zero sequence current sensor (3), input module Input+ light are every (4), enter central microprocessor (6) processing after being sent to signal amplification and treatment circuit (5), can arrive output module output (7) after central microprocessor is handled or arrive memory cell EEPROM (8) storage; Temperature survey IC (9), real-time clock IC (10) deliver to central microprocessor (6) with the data of measuring and handle; The data and HMI liquid crystal+button (11), the communication interface Modbus/DeviceNet/Profibus/LonWorks (12) that handle through central microprocessor pass mutually.
2, modular power machine integrated control protector as claimed in claim 1; it is characterized in that: described ac high voltage signal sample circuit comprises; voltage is 380V, and the signal sample circuit module comprises signal sampling and reduction voltage circuit, operational amplifier signal follow circuit.
3, modular power machine integrated control protector as claimed in claim 1 is characterized in that: described transducer secondary current signal sample circuit comprises accurate power resistor signal sample circuit, operational amplifier signal follow circuit.
4, modular power machine integrated control protector as claimed in claim 1, it is characterized in that: described output module comprises control signal photoelectric isolating circuit, output amplifier, relay protection circuit.
5, modular power machine integrated control protector as claimed in claim 1 is characterized in that: described input module comprises active digital quantity circuit for checking input signals, digital input signals photoelectric isolating circuit, parallel data commentaries on classics serial data circuit
6, modular power machine integrated control protector as claimed in claim 1; it is characterized in that: described output module comprises master microprocessor PWM output isolation circuit, frequency-voltage conversion circuit, operational amplifier signal follow circuit and output constant-current source circuit.
7, modular power machine integrated control protector as claimed in claim 1 is characterized in that: described thermilinear thermistor resistance testing circuit module comprises the thermistor voltage sample circuit, serial modulus conversion chip circuit, holding wire buffer circuit.
8, modular power machine integrated control protector as claimed in claim 1, it is characterized in that: described communication interface comprises holding wire buffer circuit, bus communication level shifting circuit and output protection circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620040596 CN2917057Y (en) | 2006-03-28 | 2006-03-28 | Modular integrated motor control protector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620040596 CN2917057Y (en) | 2006-03-28 | 2006-03-28 | Modular integrated motor control protector |
Publications (1)
Publication Number | Publication Date |
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CN2917057Y true CN2917057Y (en) | 2007-06-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200620040596 Expired - Lifetime CN2917057Y (en) | 2006-03-28 | 2006-03-28 | Modular integrated motor control protector |
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CN (1) | CN2917057Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102420417A (en) * | 2011-12-21 | 2012-04-18 | 芜湖天宇科技开发有限公司 | Wound-rotor type motor protector and protection method thereof |
CN102968103A (en) * | 2012-11-15 | 2013-03-13 | 南京中电自动化有限公司 | Data communication module of motor protector |
CN111025988A (en) * | 2019-12-25 | 2020-04-17 | 镇江赛尔尼柯自动化有限公司 | Intelligent motor control device and control method based on multi-physical-field detection |
-
2006
- 2006-03-28 CN CN 200620040596 patent/CN2917057Y/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102420417A (en) * | 2011-12-21 | 2012-04-18 | 芜湖天宇科技开发有限公司 | Wound-rotor type motor protector and protection method thereof |
CN102420417B (en) * | 2011-12-21 | 2014-01-15 | 芜湖天宇科技开发有限公司 | Wound type motor protector and protection method thereof |
CN102968103A (en) * | 2012-11-15 | 2013-03-13 | 南京中电自动化有限公司 | Data communication module of motor protector |
CN102968103B (en) * | 2012-11-15 | 2016-12-21 | 南京中电自动化有限公司 | data communication module of motor protector |
CN111025988A (en) * | 2019-12-25 | 2020-04-17 | 镇江赛尔尼柯自动化有限公司 | Intelligent motor control device and control method based on multi-physical-field detection |
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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: 20100824 Address after: 200063 No. 505, Wuning Road, Shanghai Patentee after: Shanghai Electrical Apparatus Research Institute Co., Ltd. Address before: 200063 Wuning Road, Shanghai, No. 505, No. Patentee before: Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20070627 |
|
EXPY | Termination of patent right or utility model |