CN203278693U - Partitioning matching drive circuit for ultrasonic motor - Google Patents
Partitioning matching drive circuit for ultrasonic motor Download PDFInfo
- Publication number
- CN203278693U CN203278693U CN 201320214077 CN201320214077U CN203278693U CN 203278693 U CN203278693 U CN 203278693U CN 201320214077 CN201320214077 CN 201320214077 CN 201320214077 U CN201320214077 U CN 201320214077U CN 203278693 U CN203278693 U CN 203278693U
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- China
- Prior art keywords
- subregion
- electric machine
- partitioning
- ultrasound electric
- matching
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- Expired - Fee Related
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Abstract
The utility model relates to a partitioning matching drive circuit for an ultrasonic motor, comprising n partitioning matching capacitors and n partitioning matching inductors corresponding to the n partitioning matching capacitors, wherein each partitioning matching capacitor is connected with a corresponding partitioning matching inductor in series, and is then connected with a SIN end of a drive of the ultrasonic motor in parallel, and a static capacitor back electrode of a ceramic chip of the ultrasonic motor is connected to a COM reference end of the drive of the ultrasonic motor. Due to adoption of the abovementioned scheme, the range of adjustable drive voltage of the ultrasonic motor is widened from the original 20% to more than 50%, and the electro-mechanical conversion efficiency of the ultrasonic motor is improved by 1.3 times on the original basis.
Description
Technical field
The utility model relates to ultrasound electric machine subregion coupling drive circuit, belongs to ultrasound electric machine power driving power supply field.
Background technology
Compare with conventional motors, ultrasound electric machine has that the slow-speed of revolution, moment/mass ratio are large, fast response time, cut off self-lock, nanometer resolution, without characteristics such as electromagnetic interference.
Ultrasound electric machine need to provide the supersonic frequency of two-way quadrature phase to come driving work by the Driven by Ultrasonic Motors device.At present, the coupling driving method of existing Driven by Ultrasonic Motors device and ultrasound electric machine is the subregion capacitor C that potsherd one side is all
iDirect direct capacitance C in parallel and the form of a direct matching inductor L to connect, the more direct coupling driving method that is connected in parallel with the Driven by Ultrasonic Motors device.As shown in Figure 1.Its advantage is that the line between ultrasound electric machine and Driven by Ultrasonic Motors device is few, the coupling components and parts are few.But the coupling drive characteristic is relatively poor, and causes the shortcoming that the driving voltage adjustable range narrows down, efficient is lower of ultrasound electric machine.
Summary of the invention
The purpose of this utility model is to provide ultrasound electric machine subregion coupling drive circuit, and it has improved ultrasound electric machine coupling drive characteristic, thereby has improved the driving voltage adjustable range of ultrasound electric machine, improves the conversion efficiency of motor.
Technical scheme
Ultrasound electric machine subregion coupling drive circuit, comprise n subregion matching capacitor with described n the n that the subregion matching capacitor is corresponding subregion matching inductor, be connected in parallel to the SIN end of Driven by Ultrasonic Motors device after the subregion matching inductor that described each subregion matching capacitor is corresponding with it is connected, the static container back electrode of ultrasound electric machine potsherd is connected with the COM reference edge of Driven by Ultrasonic Motors device.
Beneficial effect makes 1 owing to adopting such scheme) scope of the driving voltage regulated of ultrasound electric machine is from original 20%, more than broadening to 50%.2) make the electromechanical conversion efficiency of ultrasound electric machine, improving more than 1.3 times on original basis.
Description of drawings
Fig. 1 is that ultrasound electric machine directly mates drive circuit electricity schematic block diagram;
Fig. 2 electricity ultrasound electric machine subregion coupling drive circuit electricity schematic block diagram;
In figure, symbol description is as follows:
L
1, L
1..., L
nBe n subregion matching inductor, C
iBe the direct capacitance of ultrasound electric machine potsherd i subregion, L is direct matching inductor, and C is direct direct capacitance in parallel.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 2, ultrasound electric machine subregion coupling drive circuit is characterized in that: comprise n subregion matching capacitor C
1C
2... .Cn and with described n subregion matching capacitor C
1C
2... C
nCorresponding n subregion matching inductor L
1L
2... ..Ln, the SIN that is connected in parallel to the Driven by Ultrasonic Motors device after the subregion matching inductor that described each subregion matching capacitor is corresponding with it is connected holds, and the static container back electrode of ultrasound electric machine potsherd is connected with the COM reference edge of Driven by Ultrasonic Motors device.Described n subregion matching capacitor is positioned at a side of ultrasound electric machine potsherd.Described n subregion matching capacitor can be also left side or the right side that is positioned at the ultrasound electric machine potsherd.Described n subregion matching capacitor can be also in described ultrasound electric machine potsherd several or all, the opposite side of described ultrasound electric machine potsherd also comprises m subregion matching capacitor and with described, m m the subregion matching inductor that the subregion matching capacitor is corresponding, the COS that is connected in parallel to the Driven by Ultrasonic Motors device after the subregion matching inductor that described each subregion matching capacitor is corresponding with it is connected holds.
Claims (4)
1. the ultrasound electric machine subregion mates drive circuit, it is characterized in that: comprise n subregion matching capacitor with described n the n that the subregion matching capacitor is corresponding subregion matching inductor, be connected in parallel to the SIN end of Driven by Ultrasonic Motors device after the subregion matching inductor that described each subregion matching capacitor is corresponding with it is connected, the static container back electrode of ultrasound electric machine potsherd is connected with the COM reference edge of Driven by Ultrasonic Motors device.
2. ultrasound electric machine subregion according to claim 1 mates drive circuit, and it is characterized in that: described n subregion matching capacitor is positioned at a side of ultrasound electric machine potsherd.
3. ultrasound electric machine subregion according to claim 2 mates drive circuit, and it is characterized in that: described n subregion matching capacitor is positioned at the left side of ultrasound electric machine potsherd.
4. ultrasound electric machine subregion according to claim 2 mates drive circuit, it is characterized in that: the opposite side of described ultrasound electric machine potsherd also comprises m subregion matching capacitor and with described, m m the subregion matching inductor that the subregion matching capacitor is corresponding, the COS that is connected in parallel to the Driven by Ultrasonic Motors device after the subregion matching inductor that described each subregion matching capacitor is corresponding with it is connected holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214077 CN203278693U (en) | 2013-04-25 | 2013-04-25 | Partitioning matching drive circuit for ultrasonic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214077 CN203278693U (en) | 2013-04-25 | 2013-04-25 | Partitioning matching drive circuit for ultrasonic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278693U true CN203278693U (en) | 2013-11-06 |
Family
ID=49509016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320214077 Expired - Fee Related CN203278693U (en) | 2013-04-25 | 2013-04-25 | Partitioning matching drive circuit for ultrasonic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203278693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259448A (en) * | 2013-04-25 | 2013-08-21 | 南京航空航天大学 | Ultrasonic motor partition matching and driving circuit |
-
2013
- 2013-04-25 CN CN 201320214077 patent/CN203278693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259448A (en) * | 2013-04-25 | 2013-08-21 | 南京航空航天大学 | Ultrasonic motor partition matching and driving circuit |
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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: 20131106 Termination date: 20150425 |
|
| EXPY | Termination of patent right or utility model |