CN104852649A - Voltage regulator and voltage regulating circuit for gasoline power generator starting inductive load with equal power - Google Patents
Voltage regulator and voltage regulating circuit for gasoline power generator starting inductive load with equal power Download PDFInfo
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- CN104852649A CN104852649A CN201410766706.9A CN201410766706A CN104852649A CN 104852649 A CN104852649 A CN 104852649A CN 201410766706 A CN201410766706 A CN 201410766706A CN 104852649 A CN104852649 A CN 104852649A
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- circuit
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- regulating circuit
- gasoline engine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/006—Means for protecting the generator by using control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
An embodiment of the invention provides a voltage regulator and voltage regulating circuit for a gasoline power generator starting an inductive load with equal power. The voltage regulating circuit includes a rectifying circuit, an output circuit, a sampling circuit, a control circuit, a power circuit and a conditioning circuit. The output terminal of the rectifying circuit is connected with the power terminal of an output circuit and the input terminal of a power circuit. A second output terminal of the output circuit is connected with a first input terminal of the conditioning circuit. The output terminal of the sampling circuit is connected with a first input terminal of the control circuit. The output terminal of the control circuit is connected with the input terminal of the output terminal. A third input terminal of the control circuit is connected with a second input terminal of the conditioning circuit. The output terminal of the power circuit is connected with a power terminal of the control circuit and a power terminal of the conditioning circuit. The output terminal of the conditioning circuit is connected with a second input terminal of the control circuit.
Description
Technical field
The present invention relates to voltage control technical field in power industry, particularly relate to gasoline engine generator voltage regulator and regulating circuit that a kind of constant power starts inductive load.
Background technology
At present, gasoline engine generator is widely used among industrial or agricultural and civilian etc. various industries, but, existing gasoline engine generator also exists some problems, such as, most outstanding problem---a constant power starting problem for inductive load, that is, gasoline engine generator does not start the inductive load (as motor) with oneself Same Efficieney.Its reason is about 3 times of its running current of current ratio owing to needing when inductive load starts, and output of a generator limited (namely output current is limited), do not reach the big current needed when inductive load starts.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of constant power to start the gasoline engine generator voltage regulator of inductive load and regulating circuit, cannot start problem with oneself equal chores power inductance load to solve gasoline engine generator in prior art.
For achieving the above object, the embodiment of the present invention provides following technical scheme:
Constant power starts a gasoline engine generator regulating circuit for inductive load, comprises rectification circuit, output circuit, sample circuit, control circuit, power circuit and regulating circuit, wherein,
Rectification circuit output end is connected with power circuit input with output circuit power end respectively, and rectification circuit input end is as regulating circuit first input end, and rectification circuit output end is as regulating circuit first output;
Output circuit first output is as regulating circuit second output, and output circuit second output is connected with regulating circuit first input end;
Sample circuit input is as regulating circuit second input, and sample circuit output is connected with control circuit first input end;
Control circuit output is connected with output circuit input, and control circuit the 3rd input is connected with regulating circuit second input;
Potential circuit output is connected with regulating circuit power end with control circuit power end;
Regulating circuit output is connected with control circuit second input.
Wherein, described rectification circuit is bridge rectifier.
Constant power starts a gasoline engine generator voltage regulator for inductive load, it is characterized in that, comprises gasoline engine generator regulating circuit described above.
Wherein, described gasoline engine generator voltage regulator also comprises: housing, for holding described gasoline engine generator regulating circuit.
Wherein, the inside of housing described in the sealing of described gasoline engine generator regulating circuit.
Wherein, described gasoline engine generator voltage regulator also comprises: first input end, the second input terminal and lead-out terminal;
Described first input end is connected with described gasoline engine generator regulating circuit first input end, after connecting generator auxiliary winding, voltage is accessed gasoline engine generator regulating circuit;
Described second input terminal, is connected with described gasoline engine generator regulating circuit second input, after connecting Power Generation Road sampling end, gathers sampled signal;
Described lead-out terminal, is connected with the second output with described gasoline engine generator regulating circuit first output, after connecting generator excitation, gasoline engine generator regulating circuit output voltage is passed to generator excitation.
Based on technique scheme, a kind of constant power that the embodiment of the present invention provides starts gasoline engine generator voltage regulator and the regulating circuit of inductive load, wherein, regulating circuit comprises rectification circuit, output circuit, sample circuit, control circuit, power circuit and regulating circuit, wherein, rectification circuit output end is connected with power circuit input with output circuit power end respectively, rectification circuit input end is as regulating circuit first input end, rectification circuit output end is as regulating circuit first output, output circuit first output is as regulating circuit second output, output circuit second output is connected with regulating circuit first input end, sample circuit input is as regulating circuit second input, sample circuit output is connected with control circuit first input end, control circuit output is connected with output circuit input, control circuit the 3rd input is connected with regulating circuit second input, power circuit output end is connected with regulating circuit power end with control circuit power end, regulating circuit output is connected with control circuit second input, when generator is when accessing the inductive load with oneself Same Efficieney, the magnitude of voltage that output circuit second output exports will increase, amplify after process in its output output low level through regulating circuit, because regulating circuit output is connected with control circuit second input, therefore the low level that this regulating circuit exports after amplifying process makes control circuit second input level step-down, the signal voltage pulsewidth causing control circuit to export broadens, the voltage pulse width that output circuit exports narrows, also just the exciting current of output is diminished, then generator output voltage diminishes, thus, when output of a generator is constant, output current is improved, meet the big current of needs when inductive load starts, thus effectively overcome the constant power starting problem of gasoline engine generator inductive load.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The connection diagram of the gasoline engine generator regulating circuit of the constant power startup inductive load that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 provides the connection diagram of gasoline engine generator regulating circuit for the embodiment of the present invention; With reference to Fig. 1, the gasoline engine generator regulating circuit of these energetic start up inductive loads can comprise: comprise rectification circuit 1, output circuit 2, sample circuit 3, control circuit 4, power circuit 5 and regulating circuit 6, wherein,
Rectification circuit 1 output is connected with power circuit 3 input with output circuit 2 power end respectively, and rectification circuit 1 input is as regulating circuit first input end, and rectification circuit 1 output is as regulating circuit first output;
The alternating voltage inputted from first input end will be converted to direct voltage by rectification circuit 1, thus at the first output and the second output output dc voltage.
Rectification circuit 1 output is connected with output circuit 2 power end respectively, powers to output circuit 2.
Output circuit 2 first output is as regulating circuit second output, and output circuit 2 second output is connected with regulating circuit 6 first input end;
Sample circuit 3 input is as regulating circuit second input, and sample circuit 3 output is connected with control circuit 4 first input end;
Sample circuit 3 will gather the voltage signal that coupled generator exports.
Control circuit 4 output is connected with output circuit 2 input, and control circuit 4 the 3rd input is connected with regulating circuit 6 second input;
Power circuit 5 output is connected with regulating circuit 6 power end with control circuit 4 power end;
The input of power circuit 5 is connected with rectification circuit 1 output, after receiving the voltage of rectification circuit 1 output, provides stable voltage source by giving control circuit 4 and regulating circuit 6.
Regulating circuit 6 output is connected with control circuit 4 second input.
When generator is when accessing the inductive load with oneself Same Efficieney, the magnitude of voltage that output circuit 2 exports will increase, and amplifies after process in its output output low level through regulating circuit.Because this output is connected with the second input of control circuit, therefore the low level that this regulating circuit exports after amplifying process makes control circuit two input level step-down, the signal voltage pulsewidth causing control circuit to export broadens, the voltage pulse width that output circuit exports narrows, also just the exciting current of output is diminished, then generator output voltage diminishes, thus, when output of a generator is constant, output current is improved, meet the big current of needs when inductive load starts, thus effectively overcome the constant power starting problem of gasoline engine generator inductive load.
Based on technique scheme, the constant power that the embodiment of the present invention provides starts gasoline engine generator voltage regulator and the regulating circuit of inductive load, wherein, regulating circuit comprises rectification circuit, output circuit, sample circuit, control circuit, power circuit and regulating circuit, wherein, rectification circuit output end is connected with power circuit input with output circuit power end respectively, rectification circuit input end is as regulating circuit first input end, rectification circuit output end is as regulating circuit first output, output circuit first output is as regulating circuit second output, output circuit second output is connected with regulating circuit first input end, sample circuit input is as regulating circuit second input, sample circuit output is connected with control circuit first input end, control circuit output is connected with output circuit input, control circuit the 3rd input is connected with regulating circuit second input, potential circuit output is connected with regulating circuit power end with control circuit power end, regulating circuit output is connected with control circuit second input, when generator is when accessing the inductive load with automatic equal chores power, the magnitude of voltage of the information of voltage that output circuit exports will increase, and amplifies after process in its output output low level through regulating circuit.Because this output is connected with the second input of control circuit, therefore the low level that this regulating circuit exports after amplifying process makes control circuit two input level step-down, the signal voltage pulsewidth causing control circuit to export broadens, the voltage pulse width that output circuit exports narrows, also just the exciting current of output is diminished, then generator output voltage diminishes, thus, when output of a generator is constant, output current is improved, meet the big current of needs when inductive load starts, thus effectively overcome the constant power starting problem of gasoline engine generator inductive load.
Optionally, with reference to Fig. 1, the rectification circuit 1 used in the gasoline engine generator regulating circuit that the embodiment of the present invention provides can be bridge rectifier.
The embodiment of the present invention provides also provides a kind of gasoline engine generator voltage regulator, and described gasoline engine generator voltage regulator comprises gasoline engine generator regulating circuit described above.
Optionally, described gasoline engine generator voltage regulator can also comprise: housing, starts the gasoline engine generator regulating circuit of inductive load for holding constant power.
Gasoline engine generator regulating circuit constant power being started inductive load is contained in housing, and the gasoline engine generator regulating circuit making constant power start inductive load is fixed in a housing, is convenient to centralized operation, and saving space, be convenient to store, meanwhile, more can be convenient to transport.
Optionally, the gasoline engine generator regulating circuit sealing that constant power can be started inductive load is in the inside of housing, and because housing has shell, shell has protection and barrier effect, therefore, so can must protect gasoline engine generator regulating circuit well; And make the devices such as resistance, amplifier and triode in the gasoline engine generator regulating circuit of sealing in housing all be not easy to lose, ensure the integrality of circuit.Optionally, the gasoline engine generator voltage regulator of described constant power startup inductive load can also comprise first input end, the second input terminal and lead-out terminal;
Described first input end is connected with the gasoline engine generator regulating circuit first input end that constant power starts inductive load, for connecting generator auxiliary winding, voltage is accessed the gasoline engine generator regulating circuit that constant power starts inductive load;
Described second input terminal, gasoline engine generator regulating circuit second input starting inductive load with constant power is connected, and for connecting Power Generation Road sampling end, gathers sampled signal;
Described lead-out terminal, gasoline engine generator regulating circuit first output starting inductive load with constant power is connected with the second output, with connecting generator excitation, gasoline engine generator regulating circuit output voltage is passed to generator excitation.
Based on technique scheme, the constant power that the embodiment of the present invention provides starts the gasoline engine generator voltage regulator of inductive load, can when power output be constant, output current is improved, meet the big current of needs when inductive load starts, thus effectively overcome the constant power starting problem of gasoline engine generator inductive load.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. constant power starts a gasoline engine generator regulating circuit for inductive load, it is characterized in that, comprises rectification circuit, output circuit, sample circuit, control circuit, power circuit and regulating circuit, wherein,
Rectification circuit output end is connected with power circuit input with output circuit power end respectively, and rectification circuit input end is as regulating circuit first input end, and rectification circuit output end is as regulating circuit first output;
Output circuit first output is as regulating circuit second output, and output circuit second output is connected with regulating circuit first input end;
Sample circuit input is as regulating circuit second input, and sample circuit output is connected with control circuit first input end;
Control circuit output is connected with output circuit input, and control circuit the 3rd input is connected with regulating circuit second input;
Power circuit output end is connected with regulating circuit power end with control circuit power end;
Regulating circuit output is connected with control circuit second input.
2. gasoline engine generator regulating circuit according to claim 1, is characterized in that, described rectification circuit is bridge rectifier.
3. constant power starts a gasoline engine generator voltage regulator for inductive load, it is characterized in that, comprises the gasoline engine generator regulating circuit described in claim 1 or 2.
4. gasoline engine generator voltage regulator according to claim 3, is characterized in that, also comprise: housing, for holding described gasoline engine generator regulating circuit.
5. gasoline engine generator voltage regulator according to claim 4, is characterized in that, the sealing of described gasoline engine generator regulating circuit is in the inside of described housing.
6. gasoline engine generator voltage regulator according to claim 3, is characterized in that, also comprise: first input end, the second input terminal and lead-out terminal;
Described first input end is connected with described gasoline engine generator regulating circuit first input end, after connecting generator auxiliary winding, voltage is accessed described gasoline engine generator regulating circuit;
Described second input terminal, is connected with described gasoline engine generator regulating circuit second input, after connecting Power Generation Road sampling end, gathers sampled signal;
Described lead-out terminal, is connected with the second output with described gasoline engine generator regulating circuit first output, after connecting generator excitation, described gasoline engine generator regulating circuit output voltage is passed to generator excitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766706.9A CN104852649A (en) | 2014-12-12 | 2014-12-12 | Voltage regulator and voltage regulating circuit for gasoline power generator starting inductive load with equal power |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410766706.9A CN104852649A (en) | 2014-12-12 | 2014-12-12 | Voltage regulator and voltage regulating circuit for gasoline power generator starting inductive load with equal power |
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| CN104852649A true CN104852649A (en) | 2015-08-19 |
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| CN201410766706.9A Pending CN104852649A (en) | 2014-12-12 | 2014-12-12 | Voltage regulator and voltage regulating circuit for gasoline power generator starting inductive load with equal power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105450117A (en) * | 2015-12-11 | 2016-03-30 | 重庆五福科技有限公司 | Electric generator and start control system therefor |
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| JPH02262878A (en) * | 1989-04-03 | 1990-10-25 | Toshiba Corp | Induction motor starter |
| JP2007089315A (en) * | 2005-09-22 | 2007-04-05 | Yanmar Co Ltd | Start control device for motor |
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| US20110134665A1 (en) * | 2009-12-07 | 2011-06-09 | Texas Instruments Incorporated | Low-voltage start up circuit and method for DC-DC boost converter |
| 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 |
| CN103023410A (en) * | 2012-12-21 | 2013-04-03 | 重庆磐达机械有限公司 | Double-excitation system for air-cooled generator set |
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| CN204442221U (en) * | 2014-12-12 | 2015-07-01 | 重庆五福科技有限公司 | A kind of constant power starts gasoline engine generator voltage regulator and the regulating circuit of inductive load |
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| JPH02262878A (en) * | 1989-04-03 | 1990-10-25 | Toshiba Corp | Induction motor starter |
| JP2007089315A (en) * | 2005-09-22 | 2007-04-05 | Yanmar Co Ltd | Start control device for motor |
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| CN103023410A (en) * | 2012-12-21 | 2013-04-03 | 重庆磐达机械有限公司 | Double-excitation system for air-cooled generator set |
| CN203261285U (en) * | 2013-05-21 | 2013-10-30 | 兰州电机股份有限公司 | Current feedback and controllable excitation parallel excitation device |
| CN203883707U (en) * | 2014-05-27 | 2014-10-15 | 重庆力华科技有限责任公司 | Reduced voltage starting type voltage regulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105450117A (en) * | 2015-12-11 | 2016-03-30 | 重庆五福科技有限公司 | Electric generator and start control system therefor |
| CN105450117B (en) * | 2015-12-11 | 2019-07-26 | 重庆五福科技有限公司 | A kind of generator and its starting control system |
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Application publication date: 20150819 |
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