CN202737802U - Vector control frequency converter - Google Patents
Vector control frequency converter Download PDFInfo
- Publication number
- CN202737802U CN202737802U CN2012203458215U CN201220345821U CN202737802U CN 202737802 U CN202737802 U CN 202737802U CN 2012203458215 U CN2012203458215 U CN 2012203458215U CN 201220345821 U CN201220345821 U CN 201220345821U CN 202737802 U CN202737802 U CN 202737802U
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- frequency converter
- vector
- control frequency
- control
- vector control
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Abstract
The utility model relates to a vector control frequency converter. Main loop terminals are located at one side of an inner portion of the vector control frequency converter, a lower portion of the vector control frequency converter is mounted with a fan, main circuit filtering electrolytic capacitors are located at the other side of the inner portion of the vector control frequency converter, a radiator is located at a lower portion of the main circuit filtering electrolytic capacitors, a charging indicating lamp is located at a left lower portion of the inner portion of the vector control frequency converter, a control plate is located at a center of the inner portion of the vector control frequency converter and connected with a host computer through a control plate terminal, a base mounting hole is located at one corner of an external bottom end of the vector control frequency converter, and a keyboard base mounting groove and the control plate are mounted in parallel at the center of the inner portion of the vector control frequency converter. Through decoupling control of magnetic flux current and torque current of a motor, the vector control frequency converter realizes rapid torque response and accurate torque control and can carry out speed regulation operation in a wide scope with high control precision. Design and tests are carried out according to international standards, reliability of products is guaranteed; fitting selections are rich; and a plurality of configuration selection requirements can be met.
Description
Technical field
The utility model relates to the converter technique field, is particularly related to a kind of vector-control frequency converter.
Background technology
The initial purposes of vector-control frequency converter is speed control, development and the social day by day raising that energy operation efficiency is required along with technology, adopting vector-control frequency converter mainly is in order to boost productivity, energy savings, to reduce production costs, and the user can be according to the vector-control frequency converter that own actual process requires and the application occasion selection is dissimilar.But only change frequency and do not change voltage in using the process of vector-control frequency converter, cause the torque efficiency of motor low, the startup stage that particularly motor being in or low-speed stage, frequency can make motor be in overvoltage when reducing, and motor easily is burned.It is worthless adopting the way that strengthens the vector-control frequency converter current capacity to improve torque, can cause the significant rising of product cost and operational efficiency low, consequently causes the waste of resource and the energy.How in the situation that do not increase electric current, the torque efficiency of lifting motor has become the major issue that those skilled in the art need to be resolved hurrily.
Summary of the invention
The technical problem that the utility model solves is to provide a kind of vector-control frequency converter, and the technical problem that the utility model solves realizes by the following technical solutions:
A kind of vector-control frequency converter, comprise the major loop terminal, main circuit electrolytic capacitor filter device, radiator, fan, charging indicator light, control board, the control board terminal, base installing hole, wherein, the major loop terminal is positioned at a side of vector-control frequency converter inside, in its underpart fan is installed, main circuit electrolytic capacitor filter device is positioned at the inner opposite side of vector-control frequency converter, radiator places main circuit electrolytic capacitor filter device bottom, charging indicator light places the inner lower left of vector-control frequency converter, control board is positioned at the vector-control frequency converter bosom, store the various parameters of motor, be connected with host computer by the control board terminal, base installing hole is positioned at a jiao of vector-control frequency converter external bottom end, be used for installing fixed vector control frequency converter, keyboard base mounting groove and control board are installed in the vector-control frequency converter bosom side by side, the convenient keyboard of installing.
In the utility model, vector-control frequency converter action command control mode is Keyboard Control or guidance panel control.
In the utility model, the serial communication of vector-control frequency converter and host computer is the RS-485 interface.
In the utility model, the control of vector-control frequency converter control mode open loop or V/F control.
Beneficial effect: the utility model vector-control frequency converter has been realized the quick response of torque and accurately control by the decoupling zero control to motor flux current and torque current, can carry out with very high control precision the speed governing operation of wide region.Have simultaneously the control of parameter of electric machine automatic tuning, speed and torque and control online switching, rotating-speed tracking, inside PLC, internal PID controller and given and the feedback signal disconnection monitoring switches, fall to carry protection, fault-signal is recollected, fault restarts automatically, built-in brake unit, 28 kinds of failure monitorings, abundant I/O terminal and ten kinds functions such as Speed Setting mode nearly, can satisfy each type load to the demand of transmission control.Keyboard shows service data and failure code by LED; Can be by RS485 interface netting monitoring operation.Compact structure can be installed flexibly; Design and test according to international standard, guarantee the reliability of product, abundant apolegamy part can satisfy various configurations and select.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to a kind of vector-control frequency converter of Fig. 1, comprise major loop terminal 1, main circuit electrolytic capacitor filter device 2, radiator 3, fan 4, charging indicator light 5, control board 6, control board terminal 7, base installing hole 8, keyboard base mounting groove 9.
Major loop terminal 1 is positioned at a side of vector-control frequency converter inside, fan 4 is installed in its underpart, main circuit electrolytic capacitor filter device 2 is positioned at the inner opposite side of vector-control frequency converter, radiator 3 places main circuit electrolytic capacitor filter device 2 bottoms, charging indicator light 5 places the inner lower left of vector-control frequency converter, control board 6 is positioned at the vector-control frequency converter bosom, store the various parameters of motor, be connected with host computer by control board terminal 7, base installing hole 8 is positioned at a jiao of vector-control frequency converter external bottom end, be used for installing fixed vector control frequency converter, keyboard base mounting groove 9 is installed in the vector-control frequency converter bosom side by side with control board 6, the convenient keyboard of installing.
In the present embodiment, when selecting vector control mode, before for the first time operation, at first carry out motor tuning, to obtain the accurately parameter of electric machine.In case vector-control frequency converter self study process is finished, the parameter of electric machine that obtains will be stored in control board 6 inside, for later operation; The nameplate data of guaranteeing motor before self study are consistent with the parameter of electric machine of frequency converter, otherwise will cause the self study process can't finish or obtain wrong result.Distribute by the current value of vector control to motor; thereby determine to produce the current of electric component of torque and the numerical value of excitation component; voltage drop to motor side is optimized compensation; in the situation that do not increase electric current; the torque efficiency of lifting motor; improve motor tick-over environment, the protection motor is not burned.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. vector-control frequency converter, it is characterized in that, the major loop terminal is positioned at a side of vector-control frequency converter inside, in its underpart fan is installed, main circuit electrolytic capacitor filter device is positioned at the inner opposite side of vector-control frequency converter, radiator places main circuit electrolytic capacitor filter device bottom, charging indicator light places the inner lower left of vector-control frequency converter, control board is positioned at the vector-control frequency converter bosom, be connected with host computer by the control board terminal, base installing hole is positioned at a jiao of vector-control frequency converter external bottom end, and keyboard base mounting groove and control board are installed in the vector-control frequency converter bosom side by side.
2. a kind of vector-control frequency converter according to claim 1 is characterized in that, vector-control frequency converter action command control mode is Keyboard Control or guidance panel control.
3. a kind of vector-control frequency converter according to claim 1 is characterized in that, the serial communication of vector-control frequency converter and host computer is the RS-485 interface.
4. a kind of vector-control frequency converter according to claim 1 is characterized in that, the control of vector-control frequency converter control mode open loop or V/F control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203458215U CN202737802U (en) | 2012-07-17 | 2012-07-17 | Vector control frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203458215U CN202737802U (en) | 2012-07-17 | 2012-07-17 | Vector control frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737802U true CN202737802U (en) | 2013-02-13 |
Family
ID=47663459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203458215U Expired - Fee Related CN202737802U (en) | 2012-07-17 | 2012-07-17 | Vector control frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785469A (en) * | 2016-03-22 | 2016-07-20 | 富士电机（中国）有限公司 | Wire breakage detection system and detection method |
-
2012
- 2012-07-17 CN CN2012203458215U patent/CN202737802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785469A (en) * | 2016-03-22 | 2016-07-20 | 富士电机（中国）有限公司 | Wire breakage detection system and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130717 |