CN206099786U - Source transformation ware suitable for marine axle generator - Google Patents
Source transformation ware suitable for marine axle generator Download PDFInfo
- Publication number
- CN206099786U CN206099786U CN201621111033.4U CN201621111033U CN206099786U CN 206099786 U CN206099786 U CN 206099786U CN 201621111033 U CN201621111033 U CN 201621111033U CN 206099786 U CN206099786 U CN 206099786U
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- buck
- circuit
- axle generator
- microcontroller
- balanced circuits
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Abstract
The utility model provides a source transformation ware suitable for marine axle generator, it includes the rectifier circuit that is connected with axle generator electricity, the buck voltage stabilizing circuit who is connected with rectifier circuit and the SPWM full bridge inverter who is connected with buck voltage stabilizing circuit, be equipped with microcontroller U1 between SPWM full bridge inverter and the buck voltage stabilizing circuit, be equipped with the automatic voltage regulation circuit between microcontroller U1 and the buck voltage stabilizing circuit, the output of automatic voltage regulation circuit is connected with buck voltage stabilizing circuit's mos pipe Q1, the comparison is done through feedback voltage with buck voltage stabilizing circuit and reference voltage to the automatic voltage regulation circuit, comes adjust amplifier's output voltage, can change at diesel engine rotating speed to make the output voltage of generator behind the converter stable at AC220V 5V, 50 0.1Hz of frequency under the great condition.
Description
Technical field
This utility model belongs to ship'ssupply field, and in particular to a kind of power conversion suitable for axle generator peculiar to vessel
Device.
Background technology
Axle generator is widely used in ship with the superior characteristic such as its economy, energy-conservation, noise be little.
The frequency which generates electricity is directly related with voltage with diesel engine speed, the electricity of general output 380V/3P/50Hz under rated speed
Pressure.Under various sea situations in ship's navigation and under speed, diesel engine would generally be operated in different rotating speeds；Sometimes stop in ship
Ship time, for energy-conservation, in the case of load less, volume use can also drop in diesel engine.This necessarily causes the voltage of axle generator
Have greatly changed with frequency.Axle generator peculiar to vessel is equipped with automatic voltage regulator mostly now, can protect each well
Plant electrical equipment and do not receive excessive pressure damages, but also have some electrical equipments in addition such as（Air-conditioning, refrigerator, motor）It is specified deviateing
When frequency, hydraulic performance decline is even damaged.
Utility model content
In order to overcome the technical deficiency of the above, this utility model to provide a kind of power supply suitable for axle generator peculiar to vessel and become
Parallel operation.
This utility model provides a kind of supply convertor suitable for axle generator peculiar to vessel, and which includes and axle generator
The rectification circuit of electrical connection and the buck mu balanced circuits and the SPWM full-bridges being connected with buck mu balanced circuits of rectification circuit connection
Inverter circuit, is provided with microcontroller U1, the microcontroller U1 between the SPWM full bridge inverters and buck mu balanced circuits
Automatic voltage regulating circuit, outfan and the buck mu balanced circuits of the automatic voltage regulating circuit are provided between buck mu balanced circuits
Mos pipes Q1 connects, and the automatic voltage regulating circuit is adjusted by the feedback voltage and reference voltage of buck mu balanced circuits are compared
The output voltage of whole amplifier.
The automatic voltage regulating circuit includes operational amplifier Q2, the outfan of the operational amplifier Q2 and the G of mos pipe Q1
Pole connects, and two inputs of the operational amplifier Q2 are connected with triangular-wave generator and feedback comparison circuit respectively.
The feedback comparison circuit includes computing comparator Q3, the outfan and operational amplifier of the computing comparator Q3
The positive input terminal connection of Q2, the negative terminal of the computing comparator Q3 are connected with the feedback end of buck mu balanced circuits, the computing ratio
Just termination reference voltage compared with device Q3, shunt capacitance C3 and is connected between the outfan and negative terminal of the computing comparator successively
Electric capacity C4 afterwards and resistance R1.
Stoppage protection circuit is provided between the automatic voltage regulating circuit and microcontroller U1.
Over-current detection circuit is provided between the microcontroller U1 and SPWM full bridge inverters.
Over-voltage detection circuit is provided between the microcontroller U1 and the outfan of buck mu balanced circuits.
Electric fuse F1 is in series between the buck mu balanced circuits and SPWM full bridge inverters.
The microcontroller U1 is connected with wireless module.
The wireless module is nRF24L01 wireless modules.
The beneficial effects of the utility model：After the transformed device of electromotor can be made in the case where diesel engine speed is changed greatly
Output voltage stabilization in AC220V ± 5V, 50 ± 0.1Hz of frequency.
Description of the drawings
Fig. 1 is circuit theory Fig. 1 of the present utility model.
Fig. 2 is circuit theory Fig. 2 of the present utility model.
Fig. 3 is circuit theory Fig. 3 of the present utility model.
Fig. 4 is circuit theory Fig. 4 of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model embodiment is described further：
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are sequentially connected composition circuit theory diagrams of the present utility model.
This utility model provides a kind of supply convertor suitable for axle generator peculiar to vessel, and which includes and axle generator
The rectification circuit of electrical connection and the buck mu balanced circuits and the SPWM full-bridges being connected with buck mu balanced circuits of rectification circuit connection
Inverter circuit, is provided with microcontroller U1, the microcontroller U1 between the SPWM full bridge inverters and buck mu balanced circuits
Automatic voltage regulating circuit, outfan and the buck mu balanced circuits of the automatic voltage regulating circuit are provided between buck mu balanced circuits
Mos pipes Q1 connects, and the automatic voltage regulating circuit is adjusted by the feedback voltage and reference voltage of buck mu balanced circuits are compared
The output voltage of whole amplifier.
The rectified current that three outfans of wherein axle generator are constituted through diode D1, D2, D3, D4, D5 and D6
Road carries out rectification, while the outfan in rectification circuit is grounded by electric capacity C1, is filtered.
And buck mu balanced circuits are connected with the outfan of rectification circuit by the D poles of mos pipe Q1, while the G of the mos pipe Q1
Pole is connected with automatic voltage regulating circuit, output voltage after S poles series inductance L1 of the mos pipes Q1, is connected with mos pipes in inductance
One end parallel diode D7 ground connection, and the other end in inductance L1 is then grounded by electric capacity C2, while arrange in outfan feeding back
Test side, the feedback test side are to be connected in parallel on series resistance R2 and resistance R3 between inductance L1, resistance R2 after concatenation and electricity
Feedback voltage test point is set between resistance R3, and the automatic voltage regulating circuit obtains output voltage feedback by the point.
The automatic voltage regulating circuit includes operational amplifier Q2, the outfan of the operational amplifier Q2 and the G of mos pipe Q1
Pole connects, and two inputs of the operational amplifier Q2 are connected with triangular-wave generator and feedback comparison circuit respectively.
The feedback comparison circuit includes computing comparator Q3, the outfan and operational amplifier of the computing comparator Q3
The positive input terminal connection of Q2, the negative terminal of the computing comparator Q3 are connected with the feedback end of buck mu balanced circuits, the computing ratio
Just termination reference voltage compared with device Q3, shunt capacitance C3 and is connected between the outfan and negative terminal of the computing comparator successively
Electric capacity C4 afterwards and resistance R1.
By detection in real time to buck stabilized circuit outputting voltages, the feedback voltage that this is detected by with benchmark electricity
Pressure is compared, and comparative result is input to outfan real-time regulation of the operational amplifier Q2 ratios by operational amplifier Q2
The voltage swing of buck mu balanced circuits, realizes the function of automatic Regulation, and various household electrical appliance aboard ship normal has been effectively ensured
Operation.
The output on triangular-wave generator and another road makes comparisons to automatically adjust dutycycle, so as to realize stable output.
Stoppage protection circuit is provided between the automatic voltage regulating circuit and microcontroller U1, in the input of operational amplifier Q2
Connect between end and microcontroller, and work is detected whether using microcontroller, control the work of operational amplifier Q2, realize
Stoppage protection.
The SPWM full bridge inverters are made up of four inverter circuits, four inverter circuits respectively with microcontroller
SPWM1, SPWM2, SPWM3 and SPWM4 port connects, the G poles of field effect transistor Q4 in parallel after resistance R6 and two poles
Pipe D8 is connected with the SPWM1 ends of microcontroller U1, while the G poles of field effect transistor Q4 meet the S of field effect transistor Q4 by resistance R7
Pole, the D poles of field effect transistor Q4 connect the outfan of buck mu balanced circuits, and the G poles of field effect transistor Q5 in parallel after resistance R8
And diode D9 is connected with the SPWM4 ends of microcontroller U1, while the G poles of field effect transistor Q5 connect field effect by resistance R9
The S poles of pipe Q5, the D poles of field effect transistor Q5 connect the S poles of field effect transistor Q4, the G poles of field effect transistor Q6 in parallel after resistance R10
And diode D10 is connected with the SPWM2 ends of microcontroller U1, while the G poles of field effect transistor Q6 connect field effect by resistance R11
Should pipe Q6 S poles, the D poles of field effect transistor Q6 connect the outfan of buck mu balanced circuits, the G poles of field effect transistor Q7 in parallel after
Resistance R12 and diode D11 is connected with the SPWM3 ends of microcontroller U1, while the G poles of field effect transistor Q7 pass through resistance
R13 connects the S poles of field effect transistor Q7, and the D poles of field effect transistor Q7 connect the S poles of field effect transistor Q6, wherein the S poles of field effect transistor Q5 and Q7
Resistance R14 and electric capacity C6 ground connection after in parallel, while the D poles of field effect transistor Q4 and field effect transistor Q6 are by electric capacity C5 and simultaneously
Resistance R14 and electric capacity C6 connection after connection, draws lead and inductance between the S poles of field effect transistor Q4 and the D poles of field effect transistor Q5
L2 connects, and as an outfan of AC220V, draws lead between the S poles of field effect transistor Q6 and the D poles of field effect transistor Q7
Used as another outfan of AC220V, and shunt capacitance C7 is filtered between two outfans of AC220V.
Over-current detection circuit is provided between the microcontroller U1 and SPWM full bridge inverters, the over-current detection circuit leads to
Cross resistance R14 and electric capacity C6 to carry out over-current detection to SPWM full bridge inverters.
Over-voltage detection circuit is provided between the microcontroller U1 and the outfan of buck mu balanced circuits.The overvoltage detection electricity
Routing resistance R4 and resistance R5 compositions, the resistance R4 are connected with resistance R5 the outfan of latter termination buck mu balanced circuits, separately
One end is then grounded, and extraction is connected with microcontroller U1 therebetween, is used as over-voltage detection circuit, it is ensured that the power supply turns
Parallel operation can realize the effect of overvoltage protection.
Electric fuse F1 is in series between the buck mu balanced circuits and SPWM full bridge inverters.
The microcontroller U1 is connected with wireless module.The wireless module is nRF24L01 wireless modules, for electricity
The working condition of source converter uploads to control terminal, realizes remote monitoring function.
Embodiment is not construed as to restriction of the present utility model, any based on spiritual improvements introduced of the present utility model,
All should be within protection domain of the present utility model.
Claims (9)
1. a kind of supply convertor suitable for axle generator peculiar to vessel, it is characterised in that：Which includes being electrically connected with axle generator
The rectification circuit for connecing and the buck mu balanced circuits and the SPWM full-bridge invertings being connected with buck mu balanced circuits of rectification circuit connection
Circuit, is provided with microcontroller U1 between the SPWM full bridge inverters and buck mu balanced circuits, the microcontroller U1 with
Automatic voltage regulating circuit, the outfan of the automatic voltage regulating circuit and the mos of buck mu balanced circuits are provided between buck mu balanced circuits
Pipe Q1 connects, and the automatic voltage regulating circuit is adjusted by the feedback voltage and reference voltage of buck mu balanced circuits are compared
The output voltage of amplifier.
2. a kind of supply convertor suitable for axle generator peculiar to vessel according to claim 1, it is characterised in that described
Automatic voltage regulating circuit includes operational amplifier Q2, and the outfan of the operational amplifier Q2 is connected with the G poles of mos pipe Q1, described
Two inputs of operational amplifier Q2 are connected with triangular-wave generator and feedback comparison circuit respectively.
3. a kind of supply convertor suitable for axle generator peculiar to vessel according to claim 2, it is characterised in that described
Feedback comparison circuit includes computing comparator Q3, the outfan of the computing comparator Q3 and the positive input terminal of operational amplifier Q2
Connection, the negative terminal of the computing comparator Q3 are connected with the feedback end of buck mu balanced circuits, the anode of the computing comparator Q3
Connect reference voltage, between the outfan and negative terminal of the computing comparator successively the shunt capacitance C3 and electric capacity C4 after connecting and
Resistance R1.
4. a kind of supply convertor suitable for axle generator peculiar to vessel according to claim 1 or 2 or 3, its feature exist
In stoppage protection circuit is provided between the automatic voltage regulating circuit and microcontroller U1.
5. a kind of supply convertor suitable for axle generator peculiar to vessel according to claim 1, it is characterised in that described
Over-current detection circuit is provided between microcontroller U1 and SPWM full bridge inverter.
6. a kind of supply convertor suitable for axle generator peculiar to vessel according to claim 1, it is characterised in that described
Over-voltage detection circuit is provided between the outfan of microcontroller U1 and buck mu balanced circuit.
7. a kind of supply convertor suitable for axle generator peculiar to vessel according to claim 1, it is characterised in that described
Electric fuse F1 is in series between buck mu balanced circuits and SPWM full bridge inverters.
8. a kind of supply convertor suitable for axle generator peculiar to vessel according to claim 1, it is characterised in that described
Microcontroller U1 is connected with wireless module.
9. a kind of supply convertor suitable for axle generator peculiar to vessel according to claim 8, it is characterised in that described
Wireless module is nRF24L01 wireless modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111033.4U CN206099786U (en) | 2016-10-11 | 2016-10-11 | Source transformation ware suitable for marine axle generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111033.4U CN206099786U (en) | 2016-10-11 | 2016-10-11 | Source transformation ware suitable for marine axle generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206099786U true CN206099786U (en) | 2017-04-12 |
Family
ID=60413591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621111033.4U Active CN206099786U (en) | 2016-10-11 | 2016-10-11 | Source transformation ware suitable for marine axle generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206099786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932627A (en) * | 2019-12-17 | 2020-03-27 | 哈尔滨理工大学 | Automatic voltage regulation stabilizing device of diesel generator set |
-
2016
- 2016-10-11 CN CN201621111033.4U patent/CN206099786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932627A (en) * | 2019-12-17 | 2020-03-27 | 哈尔滨理工大学 | Automatic voltage regulation stabilizing device of diesel generator set |
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