CN203445830U - Digitalization intelligent type frequency converter - Google Patents
Digitalization intelligent type frequency converter Download PDFInfo
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- CN203445830U CN203445830U CN201320557366.XU CN201320557366U CN203445830U CN 203445830 U CN203445830 U CN 203445830U CN 201320557366 U CN201320557366 U CN 201320557366U CN 203445830 U CN203445830 U CN 203445830U
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- intelligent power
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Abstract
Provided is a digitalization intelligent type frequency converter which comprises a main control circuit and a main loop. A core controlling device of the main control circuit is a DSP digital signal processor TMS320F280200. A core device of the main loop is an IPM intelligent power module. The DSP digital signal processor TMS320F280200 is connected with temperature sampling signals and overvoltage and over-current signals of a voltage sampling circuit, a current sampling circuit and the IPM intelligent power module. The DSP digital signal processor TMS320F280200 output controls the IPM intelligent power module. Meanwhile, transmission of signals between the DSP digital signal processor TMS320F280200 and a man-machine interface circuit is performed in a bidirectional way. The digitalization intelligent type frequency converter is more convenient and rapid to operate and use.
Description
Technical field
The utility model relates to a kind of frequency converter that industrial motor drags control device that is applied to, and especially refers to that a kind of digital intelligent realizes the frequency converter of control work.
Background technology
Due to frequency converter obvious economic aspect energy-conservation, therefore in fields such as building, chemical fibre, plastics, weavings, be used widely; Owing to utilizing frequency converter can realize alternating current motor stepless speed regulation, can be used for the speed governing of the drive motor of the fluid machineries such as blower fan, water pump, compressor.The in the situation that of modernized society's development, the application of frequency converter is more and more extensive, also more and more universal.Therefore on market, occur more universal frequency converter, to the compatible Frequency converting driving of different field different performance motor, this universal frequency converter Consideration is many, and design circuit is complicated, and parameters is various, uses inconvenience, cannot realize hommization and intelligent control.
Summary of the invention
For existing issue, the purpose of this utility model is to provide a kind of digital intelligent to control frequency converter, makes operation and uses frequency converter more convenient.
For achieving the above object, the solution that the utility model is taked is: a kind of digital intelligent frequency converter, comprise governor circuit and major loop, the kernel control chip of governor circuit is DSP digital signal processor TMS320F280200, and the core devices of major loop is IPM Intelligent Power Module; DSP digital signal processor TMS320F280200 connects temperature sampling signal and the over-voltage and over-current signal of voltage sampling circuit, current sampling circuit, IPM Intelligent Power Module, IPM Intelligent Power Module is controlled in DSP digital signal processor TMS320F280200 output, simultaneously DSP digital signal processor TMS320F280200 and man-machine interface circuit signal transmitted in both directions.
This kind of digital intelligent controlled frequency converter, makes operation and uses frequency converter more convenient.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present embodiment.
Fig. 2 is the present embodiment governor circuit and relevant portion schematic diagram thereof.
In figure: 1, kernel control chip, 2, sample circuit, 3, drive circuit, 4, man-machine interface circuit.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the utility model is remake to description.
Referring to Fig. 1 and Fig. 2, a kind of digital intelligent frequency converter, comprises governor circuit and major loop, and the kernel control chip of governor circuit is DSP digital signal processor TMS320F280200, and the core devices of major loop is IPM Intelligent Power Module; DSP digital signal processor TMS320F280200 connects temperature sampling signal and the over-voltage and over-current signal of voltage sampling circuit, current sampling circuit, IPM Intelligent Power Module, IPM Intelligent Power Module is controlled in DSP digital signal processor TMS320F280200 output, simultaneously DSP digital signal processor TMS320F280200 and man-machine interface circuit signal transmitted in both directions.
Referring to Fig. 1 and Fig. 2, the input of described IPM Intelligent Power Module incoming transport, the rectification unit by IPM Intelligent Power Module obtains DC bus-bar voltage, and this DC bus-bar voltage is received respectively Switching Power Supply input and voltage sampling circuit; The DC bus-bar voltage of access Switching Power Supply provides elementary power supply, by Switching Power Supply, obtains two groups of independence galvanic currents, and wherein one group supplies main control loop work, and another group is for the voltage of IPM Intelligent Power Module driven work; DC bus-bar voltage carries out by voltage sampling circuit the ADCINA2 passage that signal conversion is input to DSP digital signal processor TMS320F280200; The temperature sampling signal being provided by IPM Intelligent Power Module and over-voltage and over-current signal are input to ADCINA6 passage and the ADCINB2 passage of DSP digital signal processor TMS320F280200; The current signal of frequency converter inversion output is input to the ADCINA4 passage of DSP digital signal processor TMS320F280200 by current sampling circuit; DSP digital signal processor TMS320F280200 preserves respectively the sampled value on sampling channel, and carries out independently algorithm process, obtains corresponding result; Described man-machine interface circuit comprises button and display floater is set, DSP digital signal processor TMS320F280200 preserves by the parameter of button settings is set, and carry out computing according to the sampled value result on setup parameter and above-mentioned sampling channel, and export corresponding control signal, by logical device 74ACT244 switching output, drive the inversion unit of IPM Intelligent Power Module, dragging motor M variable frequency work is exported in inversion, shows in real time running parameter and the operating state of frequency converter by display floater simultaneously.
Referring to Fig. 2, governor circuit relates to four parts, i.e. kernel control chip 1, sample circuit 2, drive circuit 3 and man-machine interface circuit 4.Sample circuit 2 comprises four tunnel sampled signals, is respectively 20 pin, 19 pin, 18 pin, 24 pin that voltage sampling signal, current sampling signal, temperature sampling signal, over-voltage and over-current sampled signal ，Si road sampled signal connect respectively kernel control chip 1.Core control section 1 output six roads drive signal, its lead-out terminal is respectively 37 pin, 36 pin, 5 pin, 6 pin, 7 pin, 8 pin, six roads drive signal to connect respectively 2 pin, 4 pin, 6 pin, 8 pin, 11 pin, 13 pin of drive circuit 4,13 pin connecting resistance R1 one end of kernel control chip 1,1 pin of another termination drive circuit 4 of R1 and 19 pin, 18 pin of drive circuit 4,16 pin, 14 pin, 12 pin, 9 pin, 7 pin outputs connect the input of IPM intelligent object.The two-way IO mouth of 14 pin of kernel control chip 1 and 15 pin connects the input/output port of man-machine interface circuit 4.
Claims (2)
1. a digital intelligent frequency converter, comprises governor circuit and major loop, it is characterized in that: the kernel control chip of governor circuit is DSP digital signal processor TMS320F280200, and the core devices of major loop is IPM Intelligent Power Module; DSP digital signal processor TMS320F280200 connects temperature sampling signal and the over-voltage and over-current signal of voltage sampling circuit, current sampling circuit, IPM Intelligent Power Module, IPM Intelligent Power Module is controlled in DSP digital signal processor TMS320F280200 output, simultaneously DSP digital signal processor TMS320F280200 and man-machine interface circuit signal transmitted in both directions.
2. a kind of digital intelligent frequency converter according to claim 1, it is characterized in that: described IPM Intelligent Power Module incoming transport input, rectification unit by IPM Intelligent Power Module obtains DC bus-bar voltage, and this DC bus-bar voltage is received respectively Switching Power Supply input and voltage sampling circuit; The DC bus-bar voltage of access Switching Power Supply provides elementary power supply, by Switching Power Supply, obtains two groups of independence galvanic currents, and wherein one group supplies main control loop work, and another group is for the voltage of IPM Intelligent Power Module driven work; DC bus-bar voltage carries out by voltage sampling circuit the ADCINA2 passage that signal conversion is input to DSP digital signal processor TMS320F280200; The temperature sampling signal being provided by IPM Intelligent Power Module and over-voltage and over-current signal are input to ADCINA6 passage and the ADCINB2 passage of DSP digital signal processor TMS320F280200; The current signal of frequency converter inversion output is input to the ADCINA4 passage of DSP digital signal processor TMS320F280200 by current sampling circuit; DSP digital signal processor TMS320F280200 preserves respectively the sampled value on sampling channel, and carries out independently algorithm process, obtains corresponding result; Described man-machine interface circuit comprises button and display floater is set, DSP digital signal processor TMS320F280200 preserves by the parameter of button settings is set, and carry out computing according to the sampled value result on setup parameter and above-mentioned sampling channel, and export corresponding control signal, by logical device 74ACT244 switching output, drive the inversion unit of IPM Intelligent Power Module, dragging motor M variable frequency work is exported in inversion, shows in real time running parameter and the operating state of frequency converter by display floater simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557366.XU CN203445830U (en) | 2013-09-05 | 2013-09-05 | Digitalization intelligent type frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557366.XU CN203445830U (en) | 2013-09-05 | 2013-09-05 | Digitalization intelligent type frequency converter |
Publications (1)
| Publication Number | Publication Date |
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| CN203445830U true CN203445830U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320557366.XU Expired - Fee Related CN203445830U (en) | 2013-09-05 | 2013-09-05 | Digitalization intelligent type frequency converter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787984A (en) * | 2017-01-17 | 2017-05-31 | 广州万宝电子科技有限公司 | A kind of frequency-variable controller for automobile air conditioner compressor |
| CN107395090A (en) * | 2017-06-22 | 2017-11-24 | 东南大学 | A kind of high-power High Power Factor drive control device for single-phase linear Stirling motor |
| CN112803867A (en) * | 2021-02-08 | 2021-05-14 | 珠海格力电器股份有限公司 | Variable frequency control module and air conditioner |
-
2013
- 2013-09-05 CN CN201320557366.XU patent/CN203445830U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787984A (en) * | 2017-01-17 | 2017-05-31 | 广州万宝电子科技有限公司 | A kind of frequency-variable controller for automobile air conditioner compressor |
| CN107395090A (en) * | 2017-06-22 | 2017-11-24 | 东南大学 | A kind of high-power High Power Factor drive control device for single-phase linear Stirling motor |
| CN112803867A (en) * | 2021-02-08 | 2021-05-14 | 珠海格力电器股份有限公司 | Variable frequency control module and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: HANGZHOU SANKE ELECTRICAL CO., LTD. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |