CN201113883Y - Portable type generator set inversion type control device - Google Patents
Portable type generator set inversion type control device Download PDFInfo
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- CN201113883Y CN201113883Y CNU2007200440717U CN200720044071U CN201113883Y CN 201113883 Y CN201113883 Y CN 201113883Y CN U2007200440717 U CNU2007200440717 U CN U2007200440717U CN 200720044071 U CN200720044071 U CN 200720044071U CN 201113883 Y CN201113883 Y CN 201113883Y
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Abstract
The utility model relates to an inverting type control device for a portable generating unit, which aims to provide a direct current voltage-stabilizing power supply circuit with a simple circuit structure, steady output voltage and higher efficiency. The technical proposal of the utility model is that: the inverting type control device for a portable generating unit consists of a generator driven by a prime motor, a rectifying inverting device control system and a main circuit of a rectifying inverting circuit, wherein, the rectifying inverting control system consists of a control power supply circuit, a control unit taking an MCU as the core, a prime motor rotating speed regulation driving circuit, and an output feedback and protection circuit; the control power supply circuit consists of a second rectifying filtering circuit, a non-isolated DC-DC direct current chop-wave main circuit and a PWM control circuit.
Description
Technical field
The utility model relates to the control device of generating set, particularly a kind of contravariant control device of portable generating set.
Background technology
The portable generating set that has the contravariant controller of Chu Xianing generally is made up of generator, commutation inversion apparatus control system and the rectification inverter circuit main circuit of prime mover driven in the market; Wherein, the commutation inversion control system is that control core unit, prime mover rotational speed regulation drive circuit, output feedback and protective circuit are formed by the control power circuit, with MCU; The commutation inversion main circuit is made up of rectification circuit, capacitor, inverter circuit and filter circuit.Its operation principle is: the motor driven permanent magnet generator sends alternating current, and alternating current converts direct current to through rectifying device, and direct current is reverse into the alternating current of frequency stabilization at last again through inverter.
Along with the variation of engine speed, for guaranteeing the control system reliably working, the control power circuit of commutation inversion control system must be pressed for native system provides galvanic current.Common control power circuit all is to have the switching power circuit of high frequency transformer or have the Industrial Frequency Transformer linear voltage-stabilizing circuit on the market, and the former is owing to relate to high frequency transformer, and circuit structure is relatively complicated, and the efficient of latter's linear voltage-stabilizing circuit is lower.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, at the bigger situation of the portable generator prime machine range of speeds, provides a kind of circuit structure simple, output voltage stabilization, the higher DC-stabilized circuit of efficient.
The purpose of this utility model is achieved through the following technical solutions, and portable generating set contravariant control device is made up of generator, commutation inversion apparatus control system and the rectification inverter circuit main circuit of prime mover driven; Wherein, the commutation inversion control system is that control core unit, prime mover rotational speed regulation drive circuit, output feedback and protective circuit are formed by the control power circuit, with MCU; The commutation inversion main circuit is made up of rectification circuit, capacitor, inverter circuit and filter circuit, described control power circuit isolates DC-DC DC chopped-wave main circuit by second current rectifying and wave filtering circuit, nothing and pwm control circuit is formed, generator output AC electricity obtains direct current through second current rectifying and wave filtering circuit, direct current is not powered to described commutation inversion control system through there being the DC-DC of isolation DC chopper circuit, and pwm control circuit control does not have the DC-DC of isolation DC chopper circuit and exports desired voltage and current.
Further improvement as utility model, also be provided with treatment circuit in the described control power circuit, do not have the output signal input processing circuit of isolating DC-DC DC chopped-wave main circuit, treatment circuit will be controlled power circuit and be converted into multichannel insulating power supply supply commutation inversion control system.
Further improvement as utility model, also be provided with treatment circuit in the described control power circuit, do not have the output signal input processing circuit of isolating DC-DC DC chopped-wave main circuit, treatment circuit will be controlled power circuit and be converted into the non-insulating power supply supply of multichannel commutation inversion control system.
Further improvement as utility model, also be provided with treatment circuit in the described control power circuit, do not have the output signal input processing circuit of isolating DC-DC DC chopped-wave main circuit, treatment circuit will be controlled power circuit and be converted into multichannel isolation and non-insulating power supply supply commutation inversion control system.
Further improvement as utility model, between described pwm control circuit and the output of DC-DC DC chopper circuit, be provided with the second output feedback circuit, be used to monitor the output voltage of DC-DC DC chopper circuit, and this output voltage is imported described pwm control circuit as feedback control signal.
Further improvement as utility model; between described pwm control circuit and the output of DC-DC DC chopper circuit, be provided with protective circuit; be used to monitor the output current of DC-DC DC chopper circuit, and this output current is imported described pwm control circuit as the overcurrent protection control signal.
In the utility model, the generator of prime mover driven, the alternating current that its main winding sends converts direct current to through a rectifying device earlier, and then above-mentioned dc inverter is become the alternating current output of given frequency through inverter.Light generator contravariant control device commutation inversion control system also comprises No. the second rectifying device, this rectifying device is converted to direct current with the alternating current of generator output, through no isolated DC-DC DC chopper circuit, obtain other parts of galvanic current supply control system again.
The beneficial effects of the utility model are: No. one alternating current of generator output is through rectification and do not have the DC-DC of isolation conversion, thereby D.C. regulated power supply as the commutation inversion control system, isolate the DC-DC DC chopper circuit owing to have or not, when so just can guarantee that generator is worked in the bigger range of speeds, the DC power supply that offers the commutation inversion control system is reliable and stable, and the conversion efficiency of this power circuit is than higher; From the engine angle, unloaded, fully loaded speed discrepancy is bigger, can reach economic fuel-efficient purpose.
Description of drawings
Fig. 1 is the light generator unit structure block diagram of the utility model embodiment 1 contravariant
Fig. 2 is the structured flowchart of the utility model embodiment 1 control power circuit
Generator 2-control circuit 3-main circuit 21-control power circuit 22-control module 23-prime mover rotating speed control drive circuit 24-output feedback and holding circuit 31-rectification circuit 32-capacitor 33-inverter circuit 34-filter circuit 211-PWM controller 212-clock oscillation circuit 213-current detection circuit 214-the second current rectifying and wave filtering circuit 215-capacitor 216-switching tube 217-diode 218-inductance 219-filter capacitor 220-output feedback circuit of 1-prime mover driven
Embodiment
Be described further below in conjunction with embodiment:
Embodiment 1
As shown in Figure 1, the light generating set of contravariant is made up of generator 1, commutation inversion apparatus control system 2 and the rectification inverter circuit main circuit 3 of prime mover driven; Wherein, commutation inversion control system 2 is that control core unit 22, prime mover rotational speed regulation drive circuit 23 and output feedback, protective circuit 24 are formed by control power circuit 21, with MCU; The commutation inversion main circuit is made up of rectification circuit 31, capacitor 32, inverter circuit 33 and filter circuit 34.
As shown in Figure 2, control power circuit 21 is made up of second current rectifying and wave filtering circuit 221, nothing isolation DC-DC DC chopper circuit 210 and pwm control circuit.The action description of control power circuit 21 is as follows: rectification circuit 214 and electric capacity 215 rectifications of generator output AC electricity in second current rectifying and wave filtering circuit 221 obtain direct current, direct current switching tube 216, diode 217, filter inductance 218, filter capacitor 219 other part power supply in control system 2 in DC chopper circuit 210.Switching tube 216 is subjected to the control of pwm control circuit (time and frequency that can the conducting of control switch pipe, thereby can reach voltage request at output), exports desired voltage and current.Output current detection circuit 213 detects output current simultaneously, in case find overcurrent condition, promptly on-off switching tube 216, wait overcurrent disappearance switching tube 216 to restart work.Output feedback circuit 220 detects output voltage V 1, when V1 is lower than the duty ratio that set point promptly increases the switching tube pwm control signal, otherwise recently reduces V1 when V1 is higher than the duty that set point promptly reduces the switching tube pwm control signal.In the PWM controller, the clock oscillation that provides of pwm chip 212 is provided clock oscillation circuit 211.
Claims (6)
1, portable generating set contravariant control device is made up of generator, commutation inversion apparatus control system and the rectification inverter circuit main circuit of prime mover driven; Wherein, the commutation inversion control system is that control core unit, prime mover rotational speed regulation drive circuit, output feedback and protective circuit are formed by the control power circuit, with MCU; The commutation inversion main circuit is made up of rectification circuit, capacitor, inverter circuit and filter circuit, it is characterized in that, described control power circuit isolates DC-DC DC chopped-wave main circuit by second current rectifying and wave filtering circuit, nothing and pwm control circuit is formed, generator output AC electricity obtains direct current through second current rectifying and wave filtering circuit, direct current is not powered to described commutation inversion control system through there being the DC-DC of isolation DC chopper circuit, and pwm control circuit control does not have the DC-DC of isolation DC chopper circuit and exports desired voltage and current.
2, control device according to claim 1, it is characterized in that, also be provided with treatment circuit in the described control power circuit, do not have the output signal input processing circuit of isolating DC-DC DC chopped-wave main circuit, treatment circuit will be controlled power circuit and be converted into multichannel insulating power supply supply commutation inversion control system.
3, control device according to claim 1, it is characterized in that, also be provided with treatment circuit in the described control power circuit, do not have the output signal input processing circuit of isolating DC-DC DC chopped-wave main circuit, treatment circuit will be controlled power circuit and be converted into the non-insulating power supply supply control system of multichannel.
4, control device according to claim 1, it is characterized in that, also be provided with treatment circuit in the described control power circuit, do not have the output signal input processing circuit of isolating DC-DC DC chopped-wave main circuit, treatment circuit will be controlled power circuit and be converted into multichannel isolation and non-insulating power supply supply commutation inversion control system.
5, control device according to claim 1, it is characterized in that, between described pwm control circuit and the output of DC-DC DC chopper circuit, be provided with the second output feedback circuit, be used to monitor the output voltage of DC-DC DC chopper circuit, and this output voltage is imported described pwm control circuit as feedback control signal.
6, control device according to claim 1; it is characterized in that; between described pwm control circuit and the output of DC-DC DC chopper circuit, be provided with protective circuit; be used to monitor the output current of DC-DC DC chopper circuit, and this output current is imported described pwm control circuit as the overcurrent protection control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200440717U CN201113883Y (en) | 2007-10-23 | 2007-10-23 | Portable type generator set inversion type control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200440717U CN201113883Y (en) | 2007-10-23 | 2007-10-23 | Portable type generator set inversion type control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201113883Y true CN201113883Y (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200440717U Expired - Lifetime CN201113883Y (en) | 2007-10-23 | 2007-10-23 | Portable type generator set inversion type control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201113883Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324886A (en) * | 2011-08-15 | 2012-01-18 | 重庆瑜欣平瑞电子有限公司 | The portable fuel generator control method |
| CN102710199A (en) * | 2012-06-13 | 2012-10-03 | 江苏苏美达机电产业有限公司 | Generator excitation control system |
| CN101753086B (en) * | 2010-01-12 | 2013-07-03 | 国家电网公司 | Fault traversing performance analog system of double-fed wind driven generator |
| CN107171319A (en) * | 2017-06-13 | 2017-09-15 | 李日荣 | Power supply system |
| CN108377100A (en) * | 2018-04-24 | 2018-08-07 | 电王精密电器(北京)有限公司 | A kind of high-power sine wave AC Switching Power Supply |
-
2007
- 2007-10-23 CN CNU2007200440717U patent/CN201113883Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753086B (en) * | 2010-01-12 | 2013-07-03 | 国家电网公司 | Fault traversing performance analog system of double-fed wind driven generator |
| CN102324886A (en) * | 2011-08-15 | 2012-01-18 | 重庆瑜欣平瑞电子有限公司 | The portable fuel generator control method |
| CN102324886B (en) * | 2011-08-15 | 2013-02-13 | 重庆瑜欣平瑞电子有限公司 | Portable fuel generator control method |
| CN102710199A (en) * | 2012-06-13 | 2012-10-03 | 江苏苏美达机电产业有限公司 | Generator excitation control system |
| CN102710199B (en) * | 2012-06-13 | 2015-04-01 | 江苏苏美达机电产业有限公司 | Generator excitation control system |
| CN107171319A (en) * | 2017-06-13 | 2017-09-15 | 李日荣 | Power supply system |
| CN108377100A (en) * | 2018-04-24 | 2018-08-07 | 电王精密电器(北京)有限公司 | A kind of high-power sine wave AC Switching Power Supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080910 |