CN201178392Y - Control circuit of DC frequency converting motor - Google Patents
Control circuit of DC frequency converting motor Download PDFInfo
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- CN201178392Y CN201178392Y CNU2008200443090U CN200820044309U CN201178392Y CN 201178392 Y CN201178392 Y CN 201178392Y CN U2008200443090 U CNU2008200443090 U CN U2008200443090U CN 200820044309 U CN200820044309 U CN 200820044309U CN 201178392 Y CN201178392 Y CN 201178392Y
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Abstract
The utility model discloses a control circuit of a DC variable-frequency motor, which comprises an IPM module, a special DC variable-frequency processor, a singlechip and a communication circuit. A control output end of the special DC variable-frequency processor is connected to a control input end of the IPM module; an output end of the IPM module is connected with a drive input end of the DC variable-frequency motor; the communication circuit is connected between the singlechip and the special DC variable-frequency processor; and other controlled devices matched with the DC variable-frequency motor are connected with a control output end of the singlechip. In the control circuit, comprehensive control programs for controlling other controlled devices and the rotation of the DC variable-frequency motor are written in the singlechip according the functional requirement of an electrical appliance. When in service, the singlechip can read the state parameters of the special DC variable-frequency processor on a real-time basis through the communication circuit, output corresponding control signals to the special DC variable-frequency processor and achieve the purpose of controlling and adjusting the rotation of the DC variable-frequency motor through controlling the IPM module. Compared with the prior art, the control circuit of the utility model has the advantage of short development cycle.
Description
Technical field
The present invention relates to a kind of control circuit of direct current variable frequency motor.
Background technology
The control circuit of existing direct current variable frequency motor generally comprises the electromagnetic interface filter that is electrically connected successively; power factor correction circuit; the EMI two-stage filter; the IPM module; also comprise single current detection circuit; the DC frequency-changing application specific processor; IPM current foldback circuit and IPM over-and under-voltage protective circuit; the output of IPM module is connected in the driving input of direct current variable frequency motor; the output of direct current variable frequency motor connects single current detection circuit; the output of single current detection circuit connects the feedback input end of DC frequency-changing application specific processor; the control output end of DC frequency-changing application specific processor connects the control input end of IPM module; the control output end of DC frequency-changing application specific processor also is connected with other controlled devices that cooperate with direct current variable frequency motor, and IPM current foldback circuit and IPM over-and under-voltage protective circuit are connected to the feedback input end of DC frequency-changing application specific processor.Write the corresponding control routine of various state parameters of direct current variable frequency motor therewith in this DC frequency-changing application specific processor, this control routine drives direct current variable frequency motor by the IPM module, thus the rotating speed of control direct current variable frequency motor; Direct current variable frequency motor needs the state parameter of comprehensive other controlled devices that cooperate with direct current variable frequency motor to adjust rotating speed usually during use, control circuit that can existing this direct current variable frequency motor, has only the corresponding control routine of various state parameters in the DC frequency-changing application specific processor with direct current variable frequency motor, also need to understand the pairing technology code of various state parameters of other controlled devices that cooperate with direct current variable frequency motor during use, then, in this DC frequency-changing application specific processor, write the pairing control routine of technology code therewith, finally realize the purpose of the rotating speed of Comprehensive Control direct current variable frequency motor.When needs cooperated the different function setting of electrical equipment, the control circuit construction cycle of such direct current variable frequency motor was very long, used very inconveniently, and increase development cost can't adapt to the market demand with rapid changepl. never-ending changes and improvements.
Summary of the invention
The control circuit that the purpose of this invention is to provide short direct current variable frequency motor of a kind of construction cycle.
Technical scheme of the present invention is such: the control circuit of direct current variable frequency motor, comprise IPM module and DC frequency-changing application specific processor, the control output end of DC frequency-changing application specific processor connects the control input end of IPM module, and the output of IPM module is connected in the driving input of direct current variable frequency motor; Also comprise single-chip microcomputer and communicating circuit, above-mentioned communicating circuit is connected between above-mentioned single-chip microcomputer and the above-mentioned DC frequency-changing application specific processor, and other controlled devices that cooperate with direct current variable frequency motor are connected in the control output end of above-mentioned single-chip microcomputer.
Above-mentioned single-chip microcomputer is a 8-bit microcontroller.
Above-mentioned communicating circuit is that photoelectricity is isolated communication module.
After adopting such scheme, the control circuit of direct current variable frequency motor of the present invention, communication module and single-chip microcomputer have been increased, single-chip microcomputer is connected with the DC frequency-changing application specific processor by communication module, be connected in the control output end of single-chip microcomputer with matching used other controlled devices of direct current variable frequency motor, write corresponding control program according to the state parameter of matching used other controlled devices in the single-chip microcomputer, during work, single-chip microcomputer reads the state parameter of DC frequency-changing application specific processor in real time by communicating circuit, single-chip microcomputer is given the DC frequency-changing application specific processor according to the control program output control signal corresponding of writing in it again, give the IPM module by the control signal that the output of DC frequency-changing application specific processor is comprehensive, adjust the rotating speed of direct current variable frequency motor.The present invention compared with prior art, owing to need in the DC frequency-changing application specific processor, not write control program, directly the functional requirement according to electrical equipment is write control program in single-chip microcomputer, state parameter by real-time acquisition direct current variable frequency motor, and provide control signal corresponding to this direct current variable frequency motor, to reach the purpose of the rotating speed of controlling this direct current variable frequency motor, has short advantage of construction cycle.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is the circuit block diagram of the embodiment of the invention.
Embodiment
The control circuit of direct current variable frequency motor of the present invention, as shown in Figure 1, comprise the electromagnetic interface filter 1, power factor correction circuit 2, EMI two-stage filter 3, the IPM module 4 that are electrically connected successively, also comprise multi-channel switch power 5, single current detection circuit 6, DC frequency-changing application specific processor 7, IPM current foldback circuit 8 and IPM over-and under-voltage protective circuit 9, communicating circuit 10 and single-chip microcomputer 11; The output of IPM module 4 is connected in the driving input of direct current variable frequency motor 12, the output of direct current variable frequency motor 12 connects the input of single current detection circuit 6, the output of single current detection circuit 6 connects the feedback input end of DC frequency-changing application specific processor 7, the control output end of DC frequency-changing application specific processor 7 connects the control input end of IPM module 4, IPM current foldback circuit 8 and IPM over-and under-voltage protective circuit 9 are connected to the feedback input end of DC frequency-changing application specific processor 7, and the input of multi-channel switch power 5 connects the output of EMI secondary filter circuit 3, output is connected in the power end of single-chip microcomputer 11; Communicating circuit 10 is connected between single-chip microcomputer 11 and the DC frequency-changing application specific processor 7, and other controlled devices 13 that cooperate with direct current variable frequency motor 12 are connected in the control output end of single-chip microcomputer 11.This single-chip microcomputer 11 is interior with requiring other controlled devices 13 of control and the corresponding Comprehensive Control program of direct current variable frequency motor 12 rotating speeds according to electrical function.During work, single-chip microcomputer 11 reads the state parameter of DC frequency-changing application specific processor 7 in real time by communicating circuit 10, single-chip microcomputer 11 is given DC frequency-changing application specific processor 7 according to the Comprehensive Control program output control signal corresponding of writing in it, and by DC frequency-changing application specific processor control IPM module 4, thereby the rotating speed of control and adjustment direct current variable frequency motor 12.
Embodiments of the invention are the control circuit of DC frequency-changeable compressor, as shown in Figure 2, comprise the electromagnetic interface filter 1, power factor correction circuit 2, EMI two-stage filter 3, the IPM module 4 that are electrically connected successively, also comprise multi-channel switch power 5, single current detection circuit 6, DC frequency-changing application specific processor 7, IPM current foldback circuit 8 and IPM over-and under-voltage protective circuit 9, photoelectricity isolation communication module 10 and off-premises station high-performance 8-bit microcontroller 11; The output of IPM module 4 is connected in the driving input of DC frequency-changeable compressor 12, the output of DC frequency-changeable compressor 12 connects the input of single current detection circuit 6, the output of single current detection circuit 6 connects the feedback input end of DC frequency-changing application specific processor 7, the control output end of DC frequency-changing application specific processor 7 connects the control input end of IPM module 4, IPM current foldback circuit 8 and IPM over-and under-voltage protective circuit 9 are connected to the feedback input end of DC frequency-changing application specific processor 7, and the input of multi-channel switch power 5 connects the output of EMI secondary filter circuit 3, output is connected in the power end of off-premises station high-performance 8-bit microcontroller 11; Photoelectricity is isolated communication module 10 and is connected between off-premises station high-performance 8-bit microcontroller 11 and the DC frequency-changing application specific processor 7; the outdoor fan 131 that cooperates with DC frequency-changeable compressor 12, cross valve 132 and start-up circuit 133 are connected to the control output end of off-premises station high-performance 8-bit microcontroller 11, and the input of off-premises station high-performance 8-bit microcontroller 11 also is connected with power supply current foldback circuit 14 and three road temperature sensing circuits 15.Off-premises station high-performance 8-bit microcontroller 11 interior functional requirements according to this air-conditioning, to this outdoor fan 131, cross valve 132, the rotating speed of start-up circuit 133 and the DC frequency-changeable compressor 12 that is complementary, write comprehensive control program, during work, off-premises station high-performance 8-bit microcontroller 11 is isolated the state parameter that communication module 10 reads DC frequency-changing application specific processor 7 in real time by photoelectricity, and give DC frequency-changing application specific processor 7 according to the comprehensive control program output control signal corresponding of writing in it, by DC frequency-changing application specific processor 7 control IPM modules 4, reach the purpose of the rotating speed of control and adjustment DC frequency-changeable compressor 12.
Claims (3)
1, the control circuit of direct current variable frequency motor comprises IPM module and DC frequency-changing application specific processor, and the control output end of DC frequency-changing application specific processor connects the control input end of IPM module, and the output of IPM module is connected in the driving input of direct current variable frequency motor; It is characterized in that: also comprise single-chip microcomputer and communicating circuit, above-mentioned communicating circuit is connected between above-mentioned single-chip microcomputer and the above-mentioned DC frequency-changing application specific processor, and other controlled devices that cooperate with direct current variable frequency motor are connected in the control output end of above-mentioned single-chip microcomputer.
2, the control circuit of direct current variable frequency motor according to claim 1 is characterized in that: above-mentioned single-chip microcomputer is a 8-bit microcontroller.
3, the control circuit of direct current variable frequency motor according to claim 1 is characterized in that: above-mentioned communicating circuit is that photoelectricity is isolated communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200443090U CN201178392Y (en) | 2008-02-27 | 2008-02-27 | Control circuit of DC frequency converting motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200443090U CN201178392Y (en) | 2008-02-27 | 2008-02-27 | Control circuit of DC frequency converting motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201178392Y true CN201178392Y (en) | 2009-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200443090U Expired - Fee Related CN201178392Y (en) | 2008-02-27 | 2008-02-27 | Control circuit of DC frequency converting motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201178392Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015061950A1 (en) * | 2013-10-28 | 2015-05-07 | 巨铠实业股份有限公司 | Control apparatus for dc variable frequency motor |
| CN115800827A (en) * | 2022-11-04 | 2023-03-14 | 凤凰智能电子(杭州)有限公司 | Low-cost direct current frequency conversion lampblack absorber EMC circuit |
-
2008
- 2008-02-27 CN CNU2008200443090U patent/CN201178392Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015061950A1 (en) * | 2013-10-28 | 2015-05-07 | 巨铠实业股份有限公司 | Control apparatus for dc variable frequency motor |
| CN105264764A (en) * | 2013-10-28 | 2016-01-20 | 巨铠实业股份有限公司 | Control apparatus for DC variable frequency motor |
| AU2013404555B2 (en) * | 2013-10-28 | 2017-02-16 | Jaguar Precision Industry Co., Ltd. | Control apparatus for DC variable frequency motor |
| US9899947B2 (en) | 2013-10-28 | 2018-02-20 | Jaguar Precision Industry Co., Ltd. | Control apparatus for DC inverter electric motor |
| CN115800827A (en) * | 2022-11-04 | 2023-03-14 | 凤凰智能电子(杭州)有限公司 | Low-cost direct current frequency conversion lampblack absorber EMC circuit |
| CN115800827B (en) * | 2022-11-04 | 2023-11-07 | 凤凰智能电子(杭州)有限公司 | Low-cost direct-current variable-frequency range hood EMC circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Chadi Power Co., Ltd. Assignor: Dongguan Guanghua Industry Co., Ltd. Contract record no.: 2010440001058 Denomination of utility model: Control circuit of DC frequency converting motor Granted publication date: 20090107 License type: Exclusive License Record date: 20100803 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20130227 |