CN201563100U - Transducer for controlling raising machine motor - Google Patents
Transducer for controlling raising machine motor Download PDFInfo
- Publication number
- CN201563100U CN201563100U CN2009200754982U CN200920075498U CN201563100U CN 201563100 U CN201563100 U CN 201563100U CN 2009200754982 U CN2009200754982 U CN 2009200754982U CN 200920075498 U CN200920075498 U CN 200920075498U CN 201563100 U CN201563100 U CN 201563100U
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- microprocessor
- raising machine
- module
- communication interface
- frequency converter
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Abstract
The utility model relates to a transducer for controlling a raising machine motor, which comprises a communication interface, a rectifying module, a driving control module connected with the output end of a rectifying module, a microprocessor connected with a driving control module and provided with a command transformation module and a storage chip connected with a microprocessor. The communication interface is connected with the microprocessor through the command transformation module. The input end of the rectifying module is connected with an external power supply. The output end of the driving control module is connected with the raising machine motor. The command transformation module in the microprocessor can transform and identify operational parameters directly input by a human-computer interface in a raising machine control system, store the transducer parameters in the storage chip through the microprocessor and replace a programmable controller in the traditional raising machine control system. The manufacture cost is reduced and the utilization efficiency of the device is improved.
Description
Technical field
The utility model relates to a kind of frequency converter, specifically relates to a kind of frequency converter that is used for the raising machine Electric Machine Control.
Background technology
Fig. 1 is a kind of structural representation of existing raising machine control system.As shown in Figure 1, existing raising machine control system has comprised 5, one suitable porcupine roller motor 6 of 2,3,4, one contrary porcupine roller motor of 1, three traction motor of a cylinder motor, and totally six motor need to drive.The frequency converter 7～12 that is connected respectively with six motor is by the Programmable Logic Controller 13 of RS-485 serial ports control of conversion device 7～12, the man-machine interface 14 that is connected with Programmable Logic Controller 13.Programmable Logic Controller 13 is as the control system main website, and frequency converter 7～12 is as slave station, sets the technological parameter of raising machine by man-machine interface, and the technological parameter of setting is stored in the user data area of Programmable Logic Controller 13, can call these parameters at any time.
Fig. 2 is a kind of structural representation of existing raising machine frequency converter.As shown in Figure 2, existing raising machine frequency converter receives the Control Parameter of sending from Programmable Logic Controller 13 by communication interface 15, be transferred to microprocessor 16, operation by microprocessor 16 controlling and driving control modules 17, after external AC power supply is converted to direct current by rectification module 18, carry out frequency conversion through drive control module 17, finally output to motor 1～6.
Thereby in existing raising machine control system, Programmable Logic Controller (PLC) has only used the communication function of itself, and digital input/output port and analog input delivery outlet that all the other are a large amount of all do not use.Caused bigger waste.
Summary of the invention
The purpose of this utility model be to provide a kind of have can be directly and the man-machine interface in the raising machine control system carry out data communication, and can store raising machine frequency converter with operational parameter control, thereby replace the effect of Programmable Logic Controller in the existing raising machine control system, reduce production costs, improve the utilization ratio of equipment.
The technical solution of the utility model is:
A kind of frequency converter that is used for the raising machine Electric Machine Control is provided, comprise communication interface, the microprocessor that is connected with communication interface, the drive control module that is connected with microprocessor, the rectification module that is connected with the drive control module input, the input of described rectification module is connected with external power supply, the drive control module output is connected with motor on the raising machine, also comprise the storage chip that is connected with microprocessor, described microprocessor has command conversion module, and described communication interface is connected with microprocessor by command conversion module.
Frequency converter of the present utility model has adopted the microprocessor that has command conversion module, can change and discern the operational factor of directly importing by man-machine interface in the raising machine control system, and the operational factor of frequency converter is kept in the storage chip by microprocessor, again according to the converter parameter of being preserved, utilize microprocessor to output a control signal to drive control module, the control motor moves according to set parameter, realizes the control of raising machine motor.
The beneficial effects of the utility model are:
As above-mentioned structure, frequency converter of the present utility model has replaced the effect of Programmable Logic Controller in the existing raising machine control system with microprocessor and storage chip, reduces production costs, and improves the utilization ratio of equipment.
As above-mentioned structure, the microprocessor of frequency converter of the present utility model can carry out data communication by SPI (serial peripheral equipment) communication interface and storage chip, further improves data transmission bauds, promotes the overall performance of frequency converter.
Description of drawings
Fig. 1 is a kind of structural representation of existing raising machine control system;
Fig. 2 is a kind of structural representation of existing raising machine frequency converter;
Fig. 3 is the structural representation of the utility model frequency converter one embodiment;
Fig. 4 is the structural representation of the raising machine control system behind employing the utility model frequency converter.
Embodiment
Further specify architectural feature of the present utility model below in conjunction with drawings and Examples.
Fig. 3 is the structural representation of the utility model frequency converter one embodiment.As shown in Figure 3, the utility model is used for the frequency converter of raising machine Electric Machine Control, it comprises: communication interface 15, rectification module 18, the drive control module 17 that is connected with rectification module 18 outputs, the input of described rectification module 18 is connected with external power supply, drive control module 17 outputs are connected with the raising machine motor, the microprocessor that has command conversion module 161 16 that is connected with drive control module 17, the storage chip 19 that is connected with microprocessor 16, described communication interface 15 is connected with microprocessor 16 by command conversion module 161.
In the present embodiment, the model that is provided by TI company is provided described microprocessor 16 is the microprocessor chip of TMS320F28015, the microprocessor of this model has 32 fixed DSP kernels, carry flash memory and 2 SCI communication interfaces, described SCI communication interface is promptly as the command conversion module in the utility model frequency converter 161, by the data communication of man-machine interface in SCI communication interface and the raising machine control system; Also comprise 1 SPI communication interface 162, can realize and the high-speed data communications of storage chip 19 with microprocessor 16 by SPI communication interface 162.
In the present embodiment, the model that is provided by ST company is provided is the memory of M95040 to described storage chip 5.The memory of this model is the 16Kbit memory with SPI communication function, can realize that the power down of data is preserved, and low price.
As above-mentioned structure, during the frequency converter operation, operating instruction and parameter by outside man-machine interface 14 inputs, be transferred to microprocessor 16 by communication interface 15, (for example: start discern and be converted to the required parameter of frequency converter operation by the command conversion module in the microprocessor 16 161, stop, just/counter-rotating, frequency etc.), and will receive operational factor by microprocessor 16 and be kept in the storage chip 19, microprocessor 16 is according to the operational factor in the storage chip 19, control signal is exported to drive control module 17, external AC power supply is converted to direct current by rectification module 18, drive control module 17 carries out variable frequency control according to the control signal of microprocessor 16 outputs to direct current signal, finally output to motor, the control motor moves according to set parameter, realizes the control of raising machine motor.
Fig. 4 is the structural representation of the raising machine control system behind employing the utility model frequency converter.As shown in Figure 4, because the operational factor of directly being imported by man-machine interface 14 in the raising machine control system can be changed and discern to the microprocessor 16 of the utility model frequency converter, and converter parameter is kept in the storage chip by microprocessor 16, so just replaced the effect of Programmable Logic Controller 13 (see figure 1)s in the existing raising machine control system with microprocessor 16 and storage chip 19, therefore after adopting the utility model frequency converter, man-machine interface 14 directly is connected with six new type inverter 20～25 of the present utility model, controls the operation of six motors 1～6 in the raising machine respectively.
Claims (2)
1. frequency converter that is used for the raising machine Electric Machine Control, comprise communication interface, the microprocessor that is connected with communication interface, the drive control module that is connected with microprocessor, the rectification module that is connected with the drive control module input, the input of described rectification module is connected with external power supply, the drive control module output is connected with motor on the raising machine, it is characterized in that comprising the storage chip that is connected with microprocessor, described microprocessor has command conversion module, and described communication interface is connected with microprocessor by command conversion module.
2. the frequency converter that is used for the raising machine Electric Machine Control as claimed in claim 1 is characterized in that described microprocessor also has the SPI communication interface, and described microprocessor carries out data communication by SPI communication interface and storage chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200754982U CN201563100U (en) | 2009-07-29 | 2009-07-29 | Transducer for controlling raising machine motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200754982U CN201563100U (en) | 2009-07-29 | 2009-07-29 | Transducer for controlling raising machine motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201563100U true CN201563100U (en) | 2010-08-25 |
Family
ID=42628249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200754982U Expired - Fee Related CN201563100U (en) | 2009-07-29 | 2009-07-29 | Transducer for controlling raising machine motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201563100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456726A (en) * | 2019-07-30 | 2019-11-15 | 深圳市云林电气技术有限公司 | A kind of Interface Expanding method of programmable logic controller (PLC) and frequency converter |
-
2009
- 2009-07-29 CN CN2009200754982U patent/CN201563100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456726A (en) * | 2019-07-30 | 2019-11-15 | 深圳市云林电气技术有限公司 | A kind of Interface Expanding method of programmable logic controller (PLC) and frequency converter |
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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 |
Granted publication date: 20100825 Termination date: 20140729 |
|
| EXPY | Termination of patent right or utility model |