CN203466713U - Four-quadrant AC frequency converter machine core - Google Patents
Four-quadrant AC frequency converter machine core Download PDFInfo
- Publication number
- CN203466713U CN203466713U CN201320555020.6U CN201320555020U CN203466713U CN 203466713 U CN203466713 U CN 203466713U CN 201320555020 U CN201320555020 U CN 201320555020U CN 203466713 U CN203466713 U CN 203466713U
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- CN
- China
- Prior art keywords
- copper bar
- control unit
- quadrant
- arranges
- frequency converter
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- 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 - Fee Related
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Abstract
A four-quadrant AC frequency converter machine core is composed of a control unit I, a control unit II, a capacitor assembly, a heat radiation base plate, laminated copper bars, a drive board, an inversion component, current sensors, output copper bars, input copper bars, installation side plates, a detection unit and an installation support. The four-quadrant AC frequency converter machine core is characterized in that: the installation side plates are arranged on two sides of the hear-radiation base plate, upper ends of the installation side plates are provided with the installation support, one side of the installation support is provided with the detection unit, the other side of the installation support is provided with the control unit I, an inner side of the control unit I is provided with the control unit II, an end part of the installation support is provided with the capacitor assembly, the drive board and the inversion component are fixed on the heat radiation base plate in parallel, the laminated copper bars are arranged over the drive board and the inversion component. The four-quadrant AC frequency converter machine core has the advantages of simple structure, good heat-radiation performance, stable working performance, and long service life; and the four-quadrant AC frequency converter machine core is convenient to install and use.
Description
Technical field
The utility model relates to converter technology field, says more specifically a kind of four-quadrant AC converter movement.
Background technology
At present, conventionally the device that voltage and the changeless alternating current of frequency is transformed to the alternating current of voltage or changeable frequency is called " frequency converter ", the application of frequency converter is more and more extensive, driven the fast development of frequency converter, the kind of frequency converter is also more and more, but the frequency changer of prior art is complicated, during work, generally can produce larger heat, affect the normal operation of frequency converter, moreover the frequency converter of prior art input, output operated by rotary motion is in both sides, not only install and use inconvenience, and the performance index of frequency converter have been affected, usually cause the damage of electronic devices and components, make frequency converter job insecurity, affect the useful life of frequency converter.
Summary of the invention
For addressing the above problem, the utility model has designed a kind of simple in structure, heat dispersion is good, easy to install, stable work in work, the four-quadrant AC converter movement that useful life is longer, its concrete scheme is: described four-quadrant AC converter movement is by control unit I, control unit II, capacitance component, radiating bottom plate, lamination copper bar, drive plate, inversion components and parts, current sensor, output copper bar, input copper bar, side plate is installed, detecting unit, mounting bracket forms, the both sides that it is characterized in that radiating bottom plate arrange installation side plate, the upper end that side plate is installed arranges mounting bracket, one side of mounting bracket arranges detecting unit, the opposite side of mounting bracket arranges control unit I, the inner side of control unit I arranges control unit II, the end of mounting bracket arranges capacitance component, drive plate and inversion components and parts are fixed on radiating bottom plate side by side, lamination copper bar is arranged on the upside of drive plate and inversion components and parts.
Output copper bar described in the utility model and input copper bar, is characterized in that exporting copper bar and be arranged on the bottom that side plate is installed, and a side of output copper bar arranges input copper bar, and input copper bar is connected with IGBT element by current sensor with output copper bar end.
Lamination copper bar described in the utility model; the one end that it is characterized in that lamination copper bar is directly fixed on capacitance component; the other end of lamination copper bar is directly installed on IGBT power component; be conducive to whole installation and maintenance; and anodal and negative plate parallel join; effectively reduce line inductance, reduce the disconnected local excess pressure causing of IGBT switch, IGBT power device is better protected.
Capacitance component described in the utility model, is characterized in that capacitance component adopts high voltage thin film electric capacity or electrochemical capacitor, and capacitance component plays stable DC voltage, makes the output voltage of inverter more stable.
The beneficial effects of the utility model are that four-quadrant AC converter cassette mechanism structure is simple, and heat dispersion is good, easy to install, stable work in work, and useful life is longer.
accompanying drawing explanation:
Accompanying drawing 1 is the utility model structural representation; In accompanying drawing 1:
1. control unit I, 2. control unit II, 3. capacitance component, 4. radiating bottom plate, 5. lamination copper bar, 6. drive plate, 7. inversion components and parts, 8. current sensor, 9. output copper bar, 10. input copper bar, 11. install side plates, 12. detecting units, 13. mounting brackets.
Embodiment
1 pair of the utility model describes in further detail by reference to the accompanying drawings, so that the public grasps implementation method of the present utility model better, the concrete scheme that the utility model is implemented is: described four-quadrant AC converter movement is by control unit I 1, control unit II 2, capacitance component 3, radiating bottom plate 4, lamination copper bar 5, drive plate 6, inversion components and parts 7, current sensor 8, output copper bar 9, input copper bar 10, side plate 11 is installed, detecting unit 12, mounting bracket 13 forms, the both sides that it is characterized in that radiating bottom plate 4 arrange installation side plate 11, the upper end that side plate 11 is installed arranges mounting bracket 13, one side of mounting bracket 13 arranges detecting unit 12, the opposite side of mounting bracket 13 arranges control unit I 1, the inner side of control unit I 1 arranges control unit II 2, the end of mounting bracket 13 arranges capacitance component 3, drive plate 6 is fixed on radiating bottom plate 4 side by side with inversion components and parts 7, lamination copper bar 5 is arranged on the upside of drive plate 6 and inversion components and parts 7.
Output copper bar 9 described in the utility model and input copper bar 10, it is characterized in that exporting copper bar 9 and be arranged on the bottom that side plate 11 is installed, one side of output copper bar 9 arranges input copper bar 10, and input copper bar 10 is connected with IGBT element by current sensor 8 with output copper bar 9 ends.
Lamination copper bar 5 described in the utility model; the one end that it is characterized in that lamination copper bar 5 is directly fixed on capacitance component 3; the other end of lamination copper bar 5 is directly installed on IGBT power component; be conducive to whole installation and maintenance; and anodal and negative plate parallel join; effectively reduce line inductance, reduce the disconnected local excess pressure causing of IGBT switch, IGBT power device is better protected.
The beneficial effects of the utility model are that four-quadrant AC converter cassette mechanism structure is simple, and heat dispersion is good, easy to install, stable work in work, and useful life is longer.
Claims (4)
1. four-quadrant AC converter movement, by control unit I (1), control unit II (2), capacitance component (3), radiating bottom plate (4), lamination copper bar (5), drive plate (6), inversion components and parts (7), current sensor (8), output copper bar (9), input copper bar (10), side plate (11) is installed, detecting unit (12), mounting bracket (13) forms, the both sides that it is characterized in that radiating bottom plate (4) arrange installation side plate (11), the upper end that side plate (11) is installed arranges mounting bracket (13), one side of mounting bracket (13) arranges detecting unit (12), the opposite side of mounting bracket (13) arranges control unit I (1), the inner side of control unit I (1) arranges control unit II (2), the end of mounting bracket (13) arranges capacitance component (3), drive plate (6) is fixed on radiating bottom plate (4) side by side with inversion components and parts (7), lamination copper bar (5) is arranged on the upside of drive plate (6) and inversion components and parts (7).
2. four-quadrant AC converter movement according to claim 1, it is characterized in that exporting copper bar (9) and be arranged on the bottom that side plate (11) is installed, one side of output copper bar (9) arranges input copper bar (10), and input copper bar (10) is connected with IGBT element by current sensor (8) with output copper bar (9) end.
3. four-quadrant AC converter movement according to claim 1, is characterized in that one end of lamination copper bar (5) is directly fixed on capacitance component (3) above, and the other end of lamination copper bar (5) is directly installed on IGBT power component.
4. four-quadrant AC converter movement according to claim 1, is characterized in that capacitance component (3) adopts high voltage thin film electric capacity or electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555020.6U CN203466713U (en) | 2013-09-09 | 2013-09-09 | Four-quadrant AC frequency converter machine core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555020.6U CN203466713U (en) | 2013-09-09 | 2013-09-09 | Four-quadrant AC frequency converter machine core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466713U true CN203466713U (en) | 2014-03-05 |
Family
ID=50179050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320555020.6U Expired - Fee Related CN203466713U (en) | 2013-09-09 | 2013-09-09 | Four-quadrant AC frequency converter machine core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203466713U (en) |
-
2013
- 2013-09-09 CN CN201320555020.6U patent/CN203466713U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20140305 Termination date: 20200909 |