CN203251235U - Inverter driving circuit - Google Patents
Inverter driving circuit Download PDFInfo
- Publication number
- CN203251235U CN203251235U CN2013202259238U CN201320225923U CN203251235U CN 203251235 U CN203251235 U CN 203251235U CN 2013202259238 U CN2013202259238 U CN 2013202259238U CN 201320225923 U CN201320225923 U CN 201320225923U CN 203251235 U CN203251235 U CN 203251235U
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- circuit
- transformer
- winding coil
- control circuit
- drive
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Abstract
The utility model discloses an inverter driving circuit comprising a surge current protector, a noise filter, a rectifier, a driving control circuit, an overcurrent detection circuit, a voltage detection circuit, an overvoltage detection circuit, a controller, a transformer and a winding coil of the transformer. The surge current protector is connected with the noise filter which is connected with the rectifier. The winding coil of the transformer is connected with the controller which is directly connected with the driving control circuit. The controller is also connected with the driving control circuit through the overcurrent detection circuit. The driving control circuit is connected with the winding coil of the transformer. The inverter driving circuit has the advantages of reduction of the cost of material, energy and time saving and promotion effect.
Description
Technical field
The utility model relates to a kind of power circuit, is specifically related to a kind of inverter driving circuit.
Background technology
Inverter driving circuit is to utilize modern power electronics technology, the time ratio that the control switch pipe turns on and off, keep a kind of power supply of regulated output voltage, inverter driving circuit is compared with linear power supply, the cost of the two all increases along with the increase of power output, but the two rate of rise is different.The linear power supply cost is higher than inverter driving circuit on the contrary on a certain power output point.Along with development and the innovation of power electronic technology, so that the inverter driving circuit technology is also constantly being innovated, this cost rollback point moves to low output power end day by day, and this provides wide development space for inverter driving circuit.
The utility model content
In order to overcome the existing defective of above-mentioned prior art, the utility model provides a kind of inverter driving circuit, and this inverter driving circuit circuit application is in the outlet machinery of particular safety standard.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of inverter driving circuit, comprise surge current protection device, noise filter, rectifier, number one smoothing circuit, No. second smoothing circuit, Drive and Control Circuit, overcurrent sensing circuit, number one optical coupler, No. second optical coupler, voltage detecting circuit, overvoltage detection circuit, controller and transformer and winding coil thereof, one end of described surge current protection device is connected with extraneous power supply, and the other end is connected with an end of noise filter; The other end of described noise filter is connected with an end of rectifier; The other end of described rectifier is connected with an end of number one smoothing circuit; The other end of described number one smoothing circuit is connected with the winding coil of transformer, and the winding coil of described transformer is connected with an end of No. second smoothing circuit, and the other end of described No. second smoothing circuit is current output terminal.
The winding coil of described transformer is connected with controller, described controller directly is connected with Drive and Control Circuit, described controller is connected by overcurrent sensing circuit with Drive and Control Circuit again, described Drive and Control Circuit is connected with the winding coil of transformer, described Drive and Control Circuit is connected by the number one optical coupler with voltage detecting circuit, described Drive and Control Circuit is connected by No. second optical coupler with overvoltage detection circuit, described voltage detecting circuit is connected with the current output terminal of No. second smoothing circuit, and described overvoltage detection circuit is connected with the current output terminal of No. second smoothing circuit.
Described noise filter is connected with the current output terminal of electric capacity with No. second smoothing circuit by the electric capacity that is connected in series.
Be provided with the resistance fuse in surge current protection device and the electric current that extraneous power supply is connected, described resistance fuse is resettable fuse.
The circuit ground that electric capacity is connected with capacitances in series.
The beneficial effects of the utility model are, can reduce material cost, can be applied to satisfy the outlet machinery of particular safety standard, and the energy-and time-economizing has popularizing action.
Description of drawings
Fig. 1 is electrical block diagram of the present utility model.
Embodiment:
Be easy to understand understanding in order to make technological means of the present utility model, creation characteristic and to reach purpose, further set forth the utility model below in conjunction with specific embodiment
As shown in Figure 1, a kind of inverter driving circuit described in the utility model comprises surge current protection device 1, noise filter 2, rectifier 3, number one smoothing circuit 4, No. second smoothing circuit 5, Drive and Control Circuit 6, overcurrent sensing circuit 7, number one optical coupler 8, No. second optical coupler 9, voltage detecting circuit 10, overvoltage detection circuit 11, controller 12 and transformer T and winding coil thereof; One end of described surge current protection device 1 is connected with extraneous power supply, and the other end is connected with an end of noise filter 2; The other end of described noise filter 2 is connected with an end of rectifier 3; The other end of described rectifier 3 is connected with an end of number one smoothing circuit 4; The other end of described number one smoothing circuit 4 is connected with the centre cap P1 of the winding coil L1 of transformer T, the tap P2 of the winding coil L2 of described transformer T is connected with an end of No. second smoothing circuit 5, and the other end of described No. second smoothing circuit 5 is current output terminal; The tap P4 of the winding coil L1 of described transformer T is connected with controller 12, described controller 12 directly is connected with Drive and Control Circuit 6, described controller 12 is connected by overcurrent sensing circuit 7 with Drive and Control Circuit 6 again, described Drive and Control Circuit 6 is connected with the tap P3 of the winding coil L1 of transformer T, described Drive and Control Circuit 6 is connected by number one optical coupler 8 with voltage detecting circuit 10, described Drive and Control Circuit 6 is connected by No. second optical coupler 9 with overvoltage detection circuit 11, described voltage detecting circuit 10 is connected with the current output terminal of No. second smoothing circuit 5, and described overvoltage detection circuit 11 is connected with the current output terminal of No. second smoothing circuit 5; Described noise filter 2 is connected with capacitor C by the capacitor C 1 that is connected in series and is connected with the current output terminal of No. second smoothing circuit 5; The circuit ground that capacitor C 1 and capacitor C 2 are connected in series;
Further, be provided with resistance fuse FU in surge current protection device 1 and the electric current that extraneous power supply is connected, described resistance fuse FU is resettable fuse.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. inverter driving circuit is characterized in that: it comprises surge current protection device, noise filter, rectifier, number one smoothing circuit, No. second smoothing circuit, Drive and Control Circuit, overcurrent sensing circuit, number one optical coupler, No. second optical coupler, voltage detecting circuit, overvoltage detection circuit, controller and transformer and winding coil thereof; One end of described surge current protection device is connected with extraneous power supply, and the other end is connected with an end of noise filter; The other end of described noise filter is connected with an end of rectifier; The other end of described rectifier is connected with an end of number one smoothing circuit; The other end of described number one smoothing circuit is connected with the winding coil of transformer, and the winding coil of described transformer is connected with an end of No. second smoothing circuit, and the other end of described No. second smoothing circuit is current output terminal; The winding coil of described transformer is connected with controller, described controller directly is connected with Drive and Control Circuit, described controller is connected by overcurrent sensing circuit with Drive and Control Circuit again, described Drive and Control Circuit is connected with the winding coil of transformer, described Drive and Control Circuit is connected by the number one optical coupler with voltage detecting circuit, described Drive and Control Circuit is connected by No. second optical coupler with overvoltage detection circuit, described voltage detecting circuit is connected with the current output terminal of No. second smoothing circuit, and described overvoltage detection circuit is connected with the current output terminal of No. second smoothing circuit; Described noise filter is connected with the current output terminal of electric capacity with No. second smoothing circuit by the electric capacity that is connected in series.
2. described a kind of inverter driving circuit according to claim 1 is characterized in that: be provided with the resistance fuse in surge current protection device and the electric current that extraneous power supply is connected.
3. described a kind of inverter driving circuit according to claim 2, it is characterized in that: described resistance fuse is resettable fuse.
4. described a kind of inverter driving circuit according to claim 1 is characterized in that: the circuit ground that electric capacity is connected with capacitances in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202259238U CN203251235U (en) | 2013-04-28 | 2013-04-28 | Inverter driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202259238U CN203251235U (en) | 2013-04-28 | 2013-04-28 | Inverter driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203251235U true CN203251235U (en) | 2013-10-23 |
Family
ID=49377649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202259238U Expired - Fee Related CN203251235U (en) | 2013-04-28 | 2013-04-28 | Inverter driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203251235U (en) |
-
2013
- 2013-04-28 CN CN2013202259238U patent/CN203251235U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI KEYON HOTEL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: SHANGHAI SONGKIN POWER EQUIPMENT CO., LTD. Effective date: 20140701 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201802 JIADING, SHANGHAI TO: 201203 PUDONG NEW AREA, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140701 Address after: 201203 Shanghai city Pudong New Area Sun Qiao Qiao Nong Patentee after: SHANGHAI KEYON HOTEL EQUIPMENT CO., LTD. Address before: 201802 Shanghai city Jiading District Nanxiang Zhen Yu Nan Cun Chen Jiazhai Patentee before: SHANGHAI SONGKIN POWER EQUIPMENT CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |