CN204206039U - A kind of two-phase inversion three-phase brushless permanent-magnet electric motor system - Google Patents
A kind of two-phase inversion three-phase brushless permanent-magnet electric motor system Download PDFInfo
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- CN204206039U CN204206039U CN201420401554.8U CN201420401554U CN204206039U CN 204206039 U CN204206039 U CN 204206039U CN 201420401554 U CN201420401554 U CN 201420401554U CN 204206039 U CN204206039 U CN 204206039U
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Abstract
The utility model discloses a kind of two-phase inversion three-phase brushless permanent-magnet electric motor system, it is made up of rectifier filter, electromagnetic compatibility device, Switching Power Supply, microprocessor, voltage monitoring module, temperature monitoring module, drive circuit, (PCC) power, three-phase brushless permanent-magnet motor, back electromotive force detection module, current detection module, PWM speed adjusting module and timing circuit; Timing circuit, Switching Power Supply, voltage detection module, temperature detecting module, drive circuit, current detection module are all connected on the microprocessor with PWM speed adjusting module; Electromagnetic compatibility device is connected on Switching Power Supply, voltage detection module and (PCC) power; Rectifier filter one end connects AC power, the other end is connected on electromagnetic compatibility device; (PCC) power is connected with drive circuit, temperature detecting module, three-phase brushless permanent-magnet motor, current detection module respectively.The utility model is easily manufactured, and energy-conservation more than 50%, during use, its performance is more safe and reliable.
Description
Technical field
The utility model relates to a kind of motor system, particularly relates to a kind of two-phase inversion three-phase brushless permanent-magnet electric motor system.
Background technology
Along with the development and progress of electromechanical integration, many fields all will be applied to different electric tools (as electric drill, electric hammer, electric pick, electric hammer pick, cutting machine, electric angle grinder, water drilling, electric garden saw, electric mill etc.); The drive of electric tool all be unable to do without motor.
Existing electric tool uses brushless permanent magnet electromotor volume larger, easily burn out motor and often will change brush, in addition also timer is not set, can not service time of computing equipment, be unfavorable for that the service time according to equipment understands the service condition of equipment, so that maintenance (existing electric hammer in time, electric pick is without the function clocked, the repair time can not be calculated according to the running time of equipment, easily be damaged), rotor position detection circuit is not configured and without control and protective switch in this external system, protection automatically can not be carried out to prevent from burning out motor to electric tool.
Utility model content
In order to solve the weak point existing for above-mentioned technology, the utility model discloses a kind of two-phase inversion three-phase brushless permanent-magnet electric motor system.
In order to solve above technical problem, the technical solution adopted in the utility model is: a kind of two-phase inversion three-phase brushless permanent-magnet electric motor system, and it is made up of rectifier filter, electromagnetic compatibility device, Switching Power Supply, microprocessor, voltage monitoring module, temperature monitoring module, drive circuit, (PCC) power, three-phase brushless permanent-magnet motor, back electromotive force detection module, current detection module, PWM speed adjusting module and timing circuit;
Timing circuit, Switching Power Supply, voltage detection module, temperature detecting module, drive circuit, current detection module are all connected on the microprocessor with PWM speed adjusting module; Described electromagnetic compatibility device is connected on Switching Power Supply, voltage detection module and (PCC) power;
Rectifier filter one end connects AC power, the other end is connected on electromagnetic compatibility device; (PCC) power is connected with drive circuit, temperature detecting module, three-phase brushless permanent-magnet motor, current detection module respectively;
Three-phase brushless permanent-magnet motor is connected with PWM speed adjusting module by back electromotive force detection module.
The utility model can use alternating current 220V, 110V or dc-battery to input as power supply, adjustable speed; In addition also addition computing module running time can running time of automatic computing equipment, so that according to accomplishing timely maintenance running time, improve the safety in utilization of electric tool and extend service time and easily manufactured, energy-conservation more than 50%, volume small-power is large and start without Hall.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is system of the present utility model composition structured flowchart.
PWM: pulse width modulation, is the abbreviation of English " Pulse Width Modulation ", is called for short pulse-width modulation,
Embodiment
As shown in Figure 1, the utility model is made up of rectifier filter, electromagnetic compatibility device (EMC), Switching Power Supply, microprocessor (MCU), voltage monitoring module, temperature monitoring module, drive circuit, (PCC) power, three-phase brushless permanent-magnet motor, back electromotive force detection module, current detection module, PWM speed adjusting module and timing circuit.
Timing circuit, Switching Power Supply, voltage detection module, temperature detecting module, drive circuit, current detection module are all connected on the microprocessor with PWM speed adjusting module.Electromagnetic compatibility device is connected on Switching Power Supply, voltage detection module and (PCC) power.Rectifier filter one end connects AC power, the other end is connected on electromagnetic compatibility device.(PCC) power is connected with drive circuit, temperature detecting module, three-phase brushless permanent-magnet motor, current detection module respectively.Three-phase brushless permanent-magnet motor is connected with PWM speed adjusting module by back electromotive force detection module.
The utility model can use interchange (AC) 220V, 110V to input as power supply.The utility model have employed voltage detection module and temperature detecting module and achieves the utility model carry out work under specific voltage and temperature, makes it run safety and stable more.
The utility model can apply on all electric tools, is mainly contained on the various electric tools such as electric pick, electric hammer pick are dual-purpose, electric drill, cutting machine, electric angle grinder, water drilling, electric garden saw, dust catcher, airless sprayer and the high pressure diving pump needing volume little and uses; Motor volume is little, and power can do greatly; Than long more than 10 times of former series excitation type motor electric tool life-span; Former series excited machine often changes brush, and this system is without brush; Former series excited machine often burns out motor; this system has control and protective switch; the safety requirements that can also be easy to do required for various certification, as when plug after requiring switch opens inserts power supply, motor does not operate. and machine when sending a telegram here again that has a power failure after the switch opens multipotency that do not operate is accomplished.
Above-mentioned execution mode is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing; the change that those skilled in the art make within the scope of the technical solution of the utility model, remodeling, interpolation or replacement, also all belong to protection range of the present utility model.
Claims (1)
1. a two-phase inversion three-phase brushless permanent-magnet electric motor system, is characterized in that: it is made up of rectifier filter, electromagnetic compatibility device, Switching Power Supply, microprocessor, voltage monitoring module, temperature monitoring module, drive circuit, (PCC) power, three-phase brushless permanent-magnet motor, back electromotive force detection module, current detection module, PWM speed adjusting module and timing circuit;
Described timing circuit, Switching Power Supply, voltage detection module, temperature detecting module, drive circuit, current detection module are all connected on the microprocessor with PWM speed adjusting module; Described electromagnetic compatibility device is connected on Switching Power Supply, voltage detection module and (PCC) power;
Described rectifier filter one end connects AC power, the other end is connected on electromagnetic compatibility device; Described (PCC) power is connected with drive circuit, temperature detecting module, three-phase brushless permanent-magnet motor, current detection module respectively;
Described three-phase brushless permanent-magnet motor is connected with PWM speed adjusting module by back electromotive force detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401554.8U CN204206039U (en) | 2014-07-18 | 2014-07-18 | A kind of two-phase inversion three-phase brushless permanent-magnet electric motor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401554.8U CN204206039U (en) | 2014-07-18 | 2014-07-18 | A kind of two-phase inversion three-phase brushless permanent-magnet electric motor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204206039U true CN204206039U (en) | 2015-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420401554.8U Expired - Fee Related CN204206039U (en) | 2014-07-18 | 2014-07-18 | A kind of two-phase inversion three-phase brushless permanent-magnet electric motor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204206039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017008439A1 (en) * | 2015-07-16 | 2017-01-19 | 莱克电气股份有限公司 | High-speed hall-less three-phase vacuum cleaner motor |
-
2014
- 2014-07-18 CN CN201420401554.8U patent/CN204206039U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017008439A1 (en) * | 2015-07-16 | 2017-01-19 | 莱克电气股份有限公司 | High-speed hall-less three-phase vacuum cleaner motor |
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| DD01 | Delivery of document by public notice |
Addressee: Zhou Haitao Document name: Notification to Go Through Formalities of Registration |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhou Haitao Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhou Haitao Document name: Notification of Termination of Patent Right |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20170718 |