CN203166749U - Control circuit of frequency converter interface board - Google Patents
Control circuit of frequency converter interface board Download PDFInfo
- Publication number
- CN203166749U CN203166749U CN 201320187549 CN201320187549U CN203166749U CN 203166749 U CN203166749 U CN 203166749U CN 201320187549 CN201320187549 CN 201320187549 CN 201320187549 U CN201320187549 U CN 201320187549U CN 203166749 U CN203166749 U CN 203166749U
- Authority
- CN
- China
- Prior art keywords
- module
- interface board
- detection module
- control circuit
- frequency converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Dc-Dc Converters (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The utility model discloses a control circuit of a frequency converter interface board. The control circuit is composed of a driving signal control module, a current detection module, a voltage detection module, a temperature detection and pre-charging module and a fault processing module, wherein the current detection module, the voltage detection module, the temperature detection and pre-charging module and the fault processing module are electrically connected with the driving signal control module, the fault processing module is electrically connected with the current detection module, the voltage detection module and the temperature detection and pre-charging module respectively, and the current detection module is electrically connected with the temperature detection and pre-charging module. By adopting a digital signal processor as a processing core and adopting a bus structure, the control circuit of the frequency converter interface board has performance much more powerful than that of a system using a traditional single chip microcomputer as a core. The control circuit of the frequency converter interface board has the characteristics of high computing speed, powerful functions, high scalability, flexible and open external interface, relatively simple circuit structure and low failure rate. The interface board is an interface board applicable to a current variable-frequency control system requiring high control speed and high function complexity level.
Description
Technical field
The utility model relates to a kind of frequency converter interface board, relates in particular to a kind of frequency converter interface board control circuit.
Background technology
Frequency converter is as the core of frequency conversion speed-adjusting system; more and more used at industrial control field; its component controls plate CPU is the core of frequency conversion drive output; it connects user interface; the driving power plate; for the user provides various control and mode of operation, be output waveform of transformer, overcurrent-overvoltage overheat protector and detection etc.In the practical application, variable-frequency control technique is mainly used in the high-voltage motor governing system, with its excellent speed governing with play a braking ability, high efficiency, High Power Factor and other many advantages such as the scope of application and be acknowledged as the most rising mode of speed regulation widely.Under the bigger situation of blower fan, pump class even load working conditions change, adopt ac speed control technology, energy-saving effect is obvious, can reach the purpose of energy-saving and emission-reduction.
At present, the interface board of mesohigh frequency converter adopts Single Chip Microcomputer (SCM) system or other non-bus-structured control circuits more, and its shortcoming is that arithmetic speed is slower, and extended capability is poor, and function singleness can not satisfy complicated day by day mesohigh variable frequency control demand.
Summary of the invention
At the deficiency that prior art exists, technical problem to be solved in the utility model is, a kind of reliability height is provided, and processing speed is fast, improves the frequency converter interface board control circuit of control efficiency and precise control.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of frequency converter interface board control circuit, by driving the signal controlling module, current detection module, voltage detection module, temperature detection and pre-charge module and fault processing module are formed, described current detection module, voltage detection module, temperature detection and pre-charge module and fault processing module all are electrically connected with driving signal controlling module, fault processing module respectively with current detection module, voltage detection module, temperature detection and pre-charge module are electrically connected, and described current detection module is electrically connected with temperature detection and pre-charge module.
The advantage of the utility model frequency converter interface board control circuit is: adopt digital signal processor as the processing core, and adopt bus structures, performance is better than the system that the conventional one-piece machine is core far away.Have the arithmetic speed, the strong functions that are exceedingly fast, high extensibility, flexible open external interface, relative simple circuit configuration, the characteristics that failure rate is low.It is the interface board that a kind of adaptation is used at present frequency-changing control system that control rate and function complexity are had relatively high expectations.
Description of drawings
Fig. 1 is electrical block diagram of the present utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments the utility model is described in further details;
As shown in Figure 1, a kind of frequency converter interface board control circuit, form by driving signal controlling module, current detection module, voltage detection module, temperature detection and pre-charge module and fault processing module, described current detection module, voltage detection module, temperature detection and pre-charge module and fault processing module all are electrically connected with driving signal controlling module, fault processing module is electrically connected with current detection module, voltage detection module, temperature detection and pre-charge module respectively, and described current detection module is electrically connected with temperature detection and pre-charge module.
Certainly, above-mentioned explanation is not to be to restriction of the present utility model, and the utility model also is not limited to above-mentioned giving an example; those skilled in the art; in essential scope of the present utility model, the variation of making, remodeling, interpolation or replacement all should belong to protection range of the present utility model.
Claims (1)
1. frequency converter interface board control circuit, it is characterized in that: form by driving signal controlling module, current detection module, voltage detection module, temperature detection and pre-charge module and fault processing module, described current detection module, voltage detection module, temperature detection and pre-charge module and fault processing module all are electrically connected with driving signal controlling module, fault processing module is electrically connected with current detection module, voltage detection module, temperature detection and pre-charge module respectively, and described current detection module is electrically connected with temperature detection and pre-charge module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320187549 CN203166749U (en) | 2013-04-15 | 2013-04-15 | Control circuit of frequency converter interface board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320187549 CN203166749U (en) | 2013-04-15 | 2013-04-15 | Control circuit of frequency converter interface board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166749U true CN203166749U (en) | 2013-08-28 |
Family
ID=49027905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320187549 Expired - Lifetime CN203166749U (en) | 2013-04-15 | 2013-04-15 | Control circuit of frequency converter interface board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166749U (en) |
-
2013
- 2013-04-15 CN CN 201320187549 patent/CN203166749U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |