CN1276101A - Controller of ac generator for vehicle - Google Patents
Controller of ac generator for vehicle Download PDFInfo
- Publication number
- CN1276101A CN1276101A CN 97182375 CN97182375A CN1276101A CN 1276101 A CN1276101 A CN 1276101A CN 97182375 CN97182375 CN 97182375 CN 97182375 A CN97182375 A CN 97182375A CN 1276101 A CN1276101 A CN 1276101A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- alternating current
- current generator
- indicator light
- vehicle
- Prior art date
- 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.)
- Granted
Links
Images
Classifications
-
- Y02T10/642—
-
- Y02T10/7077—
-
- Y02T10/7241—
Abstract
A controller of AC generator for vehicle provided with a battery which is charged with the rectified output of an AC generator having a field coil, a voltage regulator which controls the output voltage of the AC generator to a prescribed value by controlling the field current flowing to the field coil, a pilot lamp which indicates the generating and nongenerating states of the AC generator, a pilot lamp driving means which turns on and off the pilot lamp, a power source driving means which drives the power source of the voltage regulator in synchronism with the lighting signal by the pilot lamp driving means, and a power source disconnecting means which disconnects the power source driving means by changing the lamp turning-on driving output to a grounding potential when the AC generator is shifted to a nongenerating state.
Description
Technical field
The present invention relates to the control device of vehicle-mounted dlternator, it is a kind of like this control device, for example during engine start, in order to alleviate the load of engine, vehicle-mounted dlternator is under the situation of generating state not, the exciting current of blocking-up vehicle-mounted dlternator is established not generating state.
Background technology
Fig. 3 is the structure chart of the control device of the existing vehicle-mounted dlternator shown in for example special fair 3-47058 number.Alternating current generator 1 constitutes like this: be provided with rotor coil 102 in being 3 stator coil 101R～101T of three-phase Y-connection.Be provided with the diode bridge D1～D6 that constitutes full-wave rectifier 2 in mutually in each of 3 stator coil 101R～101T.After the induced voltage that is caused in stator coil 101R～101T by rotor coil 102 carries out full-wave rectification with full-wave rectifier 2, be added to from output 201 on the charging end B of battery pack 7.
According to the charging voltage that the charging end B from battery pack 7 detects, adjust the output voltage of alternating current generator 1 by voltage adjuster 3.By tail-off 7 and the transistor 5 that adds, from battery pack 7 to voltage adjuster 3 supply line voltages.
In addition, in case power transistor 306 conductings, exciting current just from battery pack 8 by rotor coil 102, power transistor 306, between flow.In addition, in case power transistor 301 conductings, electric current just passes through tail-off 7, charging indicator light 6, power transistor 301 inflow places from battery pack 8, and charging indicator light 6 is lighted.The resistance 302,304 that base voltage is applied on power transistor 301 and 306 is connected between each base stage and the power line of control with monolithic IC303 of power transistor 301 and 306.
The collector electrode that constitutes the transistor 401 of external unit 4 is connected on the base stage of power supply voltage supplying control with the transistor 5 of monolithic IC303 by resistance 402.The grounded emitter of transistor 401, the signal (operating condition signal) of the operating condition of expression vehicle is by not shown various transducers, the base stage of switch input transistors 401.
Here so-called operating condition signal is meant the connection output signal of not shown activator switch, the engine coolant temperature signal of cooling-water temperature sensor etc.In order to alleviate engine loading, external unit 4 is according to each signal, with certain hour disabling signal input transistors 401 during engine start.Its result, transistor 5 is blocked, and will supply with the dump of control with monolithic IC303 from battery pack 8, stops to take place exciting current.
Work as existing apparatus is as follows: behind the engine start, under the situation of controlling the voltage decline that detects battery pack 8 with monolithic IC303, duty ratio with regulation makes power transistor 306 break-make work, and exciting current flows through rotor coil 102 intermittently from battery pack 8.Owing to flow through exciting current, produce magnetic field in the rotor coil 102, because the effect in this magnetic field causes induced voltage in stator coil 101R～101T.Then, caused induced voltage is added on the B of charging end from output 201 after full-wave rectifier 2 carries out full-wave rectification, makes battery pack 7 chargings.
In addition, with tail-off 7 connection backs (generator starts the back), under the situation of controlling the voltage decline that detects battery pack 8 with monolithic IC303, power transistor 306 conductings are worked, make exciting current flow through rotor coil 102, in alternating current generator 1, form magnetic field from battery pack 8., at this moment,, there is not electricity output so alternating current generator 1 does not generate electricity because engine does not rotate.
If control detects from stator coil 101S with monolithic IC303 and do not generate electricity, then control is lighted charging indicator light 6 with monolithic IC303 driving power transistor 301, notifies present battery pack 8 discharging.
, behind the engine start, particularly between the algid stage of the function reduction of battery pack, suppose in generator 1 to form magnetic field, cause generating, then because the variation of generator loading torque, cause the rotation instability of engine, therefore, behind the engine start, before engine speed reaches setting, the input of certain hour operating condition signal is constituted the transistor 401 of external unit 4, with transistor 401 blocking-up, thereby with transistor 5 blocking-up, the sever supply control power supply of monolithic IC303.Because the supply of power supply is disconnected,, make alternating current generator 1 be in not generating state forcibly so control stops to cut off exciting current to transistor 306 outputs with monolithic IC303.
Like this, because the supply voltage of controlling with monolithic IC303 is cut off, so there is not exciting current to flow into rotor coil 102, alternating current generator 1 is not generating state., if constitute like this, then except external unit 4, the big transistor 5 of rated current of the usefulness that also needs to cut off the electricity supply, it is big that the scale of circuit structure becomes.
In addition, for a certain reason, make control be+current potential and flowing through under the situation of leakage current,, but can not cut off the problem that existence must be generated electricity even carry out dump by external unit 4 with the power end of monolithic IC303.
The present invention finishes in order to address the above problem, and is during about engine start, in order to alleviate the load of engine, and can cut off exciting current, makes alternating current generator be the not control device of the vehicle-mounted dlternator of generating state.
Disclosure of an invention
The present invention has: utilize the rectification output of the alternating current generator that magnet exciting coil is arranged to carry out storage batteries; By the exciting current of control flows overexcitation coil, the output voltage of alternating current generator is controlled at the voltage adjuster of setting; Detect the generating of alternating current generator, the checkout gear of generating state not; Generating, the indicator light of generating state not of expression alternating current generator; According to the testing result of checkout gear, the indicator light drive unit that makes indicator light light or extinguish; The driving output of lighting indicator light that utilizes the indicator light drive unit to produce, the power source drive device of the power circuit of driving voltage adjuster; And when making alternating current generator transfer to not generating state, make above-mentioned driving output of lighting indicator light be earthing potential, cut off the power cut-off device of above-mentioned power source drive device.
Power cut-off device of the present invention makes the driving output of lighting indicator light be earthing potential when the internal combustion engine start of vehicle at the appointed time, by cutting off above-mentioned power source drive device, makes alternating current generator be not generating state.
The present invention has: utilize the rectification output of the alternating current generator that magnet exciting coil is arranged to carry out storage batteries; Ratio with regulation carries out on/off, makes exciting current flow through the switching device of magnet exciting coil intermittently; The control signal of control on/off ratio is inputed to switching device, the output voltage of alternating current generator is controlled at the voltage adjuster of setting; And when making alternating current generator transfer to not generating state, make the signal input part of switching device be earthing potential, cut off the exciting current shearing device of exciting current.
Exciting current shearing device of the present invention makes the signal input part of switching device be earthing potential when the internal combustion engine start of vehicle at the appointed time, by cutting off exciting current, makes alternating current generator be not generating state.
The simple declaration of accompanying drawing
Fig. 1 is the structure chart of control device of the vehicle-mounted dlternator of example 1 of the present invention.
Fig. 2 is the structure chart of control device of the vehicle-mounted dlternator of example 2 of the present invention.
Fig. 3 is the structure chart of the control device of existing vehicle-mounted dlternator.
The optimal morphology of the usefulness that carries out an invention
In order to illustrate in greater detail the present invention, illustrate with reference to the accompanying drawings.
Example 1
Below, with regard to description of drawings example 1 of the present invention.In addition, the part identical or suitable with conventional device is marked with identical symbol.Fig. 1 is the structure chart of control device of the vehicle-mounted dlternator of this example.The control device of the vehicle-mounted dlternator of this example and the difference of conventional device are: removed cell voltage is directly supplied with the transistor 5 of control with monolithic IC303 as power supply.
In addition, the voltage adjuster 3A of this example comprises: with grounded emitter, base stage is connected transistor 310 on the collector electrode of lighting the power transistor 301 that indicator light uses by resistance 309 simultaneously; And with emitter be connected battery pack 8+end, collector electrode is connected the transistor 308 on the base stage of power transistor 306 of exciting current output usefulness by resistance 304.In addition, connect the collector electrode of transistor 307 and the base stage of transistor 308 with resistance.
In addition, constitute checkout gear by voltage adjuster 303, stator coil 101S, constitute the indicator light drive unit by power transistor 301, constitute power source drive device by transistor 308,309,4A constitutes power cut-off device by external unit.
Secondly, the work of this example is described.At first, supply voltage is being supplied with under the situation of control with monolithic IC303 from battery pack 8, if generator contactor 7 is connected, then cell voltage is added on the base stage of transistor 307 after by charging indicator light 6, resistance 309.Its result after transistor 307 conductings, flows through electric current by resistance 310, collector electrode, emitter.Owing to flow through this electric current, so transistor 308 conductings behind the emitter of cell voltage by transistor 308, the collector electrode, are added on the power end of control with monolithic IC303.
After generator starts, detect with monolithic IC303 under the situation that the voltage of battery pack 8 descends, with power transistor 306 conductings and start working, make exciting current flow through rotor coil 102 intermittently, alternating current generator 1 is generated electricity from battery pack 8 in control.
In addition, during engine start, if by the control voltage of monolithic IC303 according to stator coil 101S, the generating output that detects alternating current generator 1 is not generating state, then control is lighted charging indicator light 6 with monolithic IC303 driving power transistor 301, and notice battery pack 8 is being discharged.
Secondly, when engine start is described, in order to alleviate the load of engine, the working condition when alternating current generator 1 is not generated electricity.During engine start, with the transistor 401 of operating condition signal input formation external unit 4A, with transistor 401 conductings, thereby the voltage that is added on the charging indicator light 6 is earthing potential by transistor 401.
Therefore, the base voltage of transistor 309 is earthing potential, becomes blocking state, is blocking state so the base current of transistor 308 is blocked.After transistor 308 is blocking state, is added in control and is cut off with the cell voltage on the monolithic IC303.From control monolithic IC303 input power transistor 306, so be blocked, exciting current does not no longer flow through rotor coil 102, does not just produce magnetic field yet, is not generating state for its result, exciting current control signal.
As mentioned above, if adopt this example, then since between the output of voltage adjuster 3A and battery pack 8 except external unit 4A, the transistor that does not need the supply voltage that adds to cut off usefulness, thus constituent apparatus at an easy rate, simultaneously can miniaturization.
In addition, the device of present embodiment is not owing to be that supply voltage directly is added on the power end of control with monolithic IC303 from battery pack 8, so solved because power end is positive potential, produce leakage current, cause and to cut off the electricity supply, the not problem of generating state can not be realized, the reliability of device can be improved.
Example 2
Above-mentioned example 1 is by stopping to control the work with monolithic IC303, stop the exciting current of giving rotor coil 102, making alternating current generator 1 be not generating state., this example is that control is worked on monolithic IC303, only cuts off the exciting current of giving rotor coil 102.
Fig. 2 is the structure chart of control device of the vehicle-mounted dlternator of this example.In addition, the symbolic representation identical or suitable part identical among the figure with Fig. 1.The external control unit 4B of this example is not connected an end of charging indicator light 6, but is connected on the base stage of power transistor 306 of exciting current output usefulness.
In addition, constitute switching device, constitute the exciting current shearing device by external unit 4B by power transistor 306.
Therefore, if adopt this structure, during engine start, stop to give rotor coil 102 exciting currents, alternating current generator 1 is under the situation of generating state not, within a certain period of time the input of operating condition signal is constituted the transistor 401 of external unit 4B, with transistor 401 conductings, make the base stage of power transistor 306 be earthing potential, thereby be blocking state.
Its result has cut off the exciting current of giving rotor coil 102, can make alternating current generator 1 be not generating state.At this moment, control detects not generating state with the stator coil 101S of monolithic IC303 by alternating current generator 1, and institute lights charging indicator light 6 so that base current flows through power transistor 301 and is conducting state, notifies not generating state.
As mentioned above, if adopt this example, except the effect of example 1, because under the operating state of retentive control with monolithic IC303, the temporary transient exciting current of giving rotor coil 102 that stops is so can start the generating work of alternating current generator 1 reposefully.
The possibility of industrial utilization
When as mentioned above, the present invention is applicable to engine start in order to alleviate engine loading, pressure Make alternating current generator be the not device of generating state, can reduce circuit scale, can improve simultaneously Reliability.
Claims (4)
1. the control device of a vehicle-mounted dlternator is characterized in that having: utilize the rectification output of the alternating current generator that magnet exciting coil is arranged to carry out storage batteries; Cross the exciting current of above-mentioned magnet exciting coil by control flows, the output voltage of above-mentioned alternating current generator is controlled at the voltage adjuster of setting; Detect the generating of above-mentioned alternating current generator, the checkout gear of generating state not; Represent the generating of above-mentioned alternating current generator, the indicator light of generating state not; According to the testing result of above-mentioned detection device, the indicator light drive unit that makes above-mentioned indicator light light or extinguish; The driving of lighting indicator light that utilizes this indicator light drive unit to produce is exported, and drives the power source drive device of the power circuit of above-mentioned voltage adjuster; And when making above-mentioned alternating current generator transfer to not generating state, make above-mentioned driving output of lighting indicator light be earthing potential, cut off the power cut-off device of above-mentioned power source drive device.
2. the control device of vehicle-mounted dlternator according to claim 1, it is characterized in that: power cut-off device is when the internal combustion engine start of vehicle, make the driving output of lighting indicator light be earthing potential at the appointed time, by cutting off above-mentioned power source drive device, make alternating current generator be not generating state.
3. the control device of a vehicle-mounted dlternator is characterized in that having: utilize the rectification output of the alternating current generator that magnet exciting coil is arranged to carry out storage batteries; Ratio with regulation carries out on/off, makes exciting current flow through the switching device of above-mentioned magnet exciting coil intermittently; To control the control signal input of the on/off ratio of this switching device, the output voltage of above-mentioned alternating current generator is controlled at the voltage adjuster of setting; And when making above-mentioned alternating current generator transfer to not generating state, make the signal input part of above-mentioned switching device be earthing potential, cut off the exciting current shearing device of exciting current.
4. the control device of vehicle-mounted dlternator according to claim 3, it is characterized in that: the exciting current shearing device is when the internal combustion engine start of vehicle, make the signal input part of switching device be earthing potential at the appointed time, by cutting off exciting current, make alternating current generator be not generating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97182375 CN1123968C (en) | 1997-09-11 | 1997-09-11 | Controller of ac generator for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97182375 CN1123968C (en) | 1997-09-11 | 1997-09-11 | Controller of ac generator for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1276101A true CN1276101A (en) | 2000-12-06 |
| CN1123968C CN1123968C (en) | 2003-10-08 |
Family
ID=5178432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97182375 Expired - Fee Related CN1123968C (en) | 1997-09-11 | 1997-09-11 | Controller of ac generator for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1123968C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095994A (en) * | 2010-11-26 | 2011-06-15 | 中国北方车辆研究所 | Generator excitation circuit detection method |
| CN101262142B (en) * | 2007-03-08 | 2011-09-14 | 朋程科技股份有限公司 | Method and device for prevent vehicles from mistaken lighting |
| CN101447690B (en) * | 2007-11-28 | 2012-01-11 | 株式会社电装 | Target regulation voltage setting apparatus |
| CN101447689B (en) * | 2008-12-25 | 2012-11-28 | 中国北车集团大连机车车辆有限公司 | Locomotive-auxiliary generating system capable of achieving self-excited and variable-voltage charge control |
| CN103158566A (en) * | 2013-03-18 | 2013-06-19 | 株洲南车时代电气股份有限公司 | Alternating current transmission system |
| CN105141205A (en) * | 2015-10-08 | 2015-12-09 | 环旭电子股份有限公司 | Vehicle-mounted starting circuit and power supply compensating circuit thereof |
-
1997
- 1997-09-11 CN CN 97182375 patent/CN1123968C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262142B (en) * | 2007-03-08 | 2011-09-14 | 朋程科技股份有限公司 | Method and device for prevent vehicles from mistaken lighting |
| CN101447690B (en) * | 2007-11-28 | 2012-01-11 | 株式会社电装 | Target regulation voltage setting apparatus |
| CN101447689B (en) * | 2008-12-25 | 2012-11-28 | 中国北车集团大连机车车辆有限公司 | Locomotive-auxiliary generating system capable of achieving self-excited and variable-voltage charge control |
| CN102095994A (en) * | 2010-11-26 | 2011-06-15 | 中国北方车辆研究所 | Generator excitation circuit detection method |
| CN102095994B (en) * | 2010-11-26 | 2014-04-23 | 中国北方车辆研究所 | Generator excitation circuit detection method |
| CN103158566A (en) * | 2013-03-18 | 2013-06-19 | 株洲南车时代电气股份有限公司 | Alternating current transmission system |
| CN105141205A (en) * | 2015-10-08 | 2015-12-09 | 环旭电子股份有限公司 | Vehicle-mounted starting circuit and power supply compensating circuit thereof |
| CN105141205B (en) * | 2015-10-08 | 2018-02-02 | 环旭电子股份有限公司 | Vehicle-mounted start-up circuit and its power supply compensation circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1123968C (en) | 2003-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8245802B2 (en) | Automotive hybrid engine assist system | |
| US20130113283A1 (en) | Charging and distribution control | |
| CN102470812A (en) | Vehicular power supply system | |
| WO2003026125A1 (en) | An electrical machine and an electrical power generating system | |
| KR960039537A (en) | Vehicle generator | |
| KR20020020174A (en) | Electric Power Supply System For a Veheicle | |
| CN1123968C (en) | Controller of ac generator for vehicle | |
| US6304056B1 (en) | Pulsed charge power delivery circuit for a vehicle having a combined starter/alternator | |
| US7479746B2 (en) | Power converter for an electric engine start system | |
| JPH08331897A (en) | Controller for alternator in vehicle | |
| CN112039378A (en) | Four-wire self-excitation single-function voltage regulator for automobile generator | |
| JPH08214599A (en) | Voltage controller of magnet-type generator | |
| JP3289411B2 (en) | Voltage control device for vehicle generator | |
| JP4325094B2 (en) | Vehicle power generation control device | |
| JP3409659B2 (en) | Battery charger powered by a magnet type alternator | |
| JP2003047298A (en) | Voltage regulator for generator | |
| JPH062442Y2 (en) | Vehicle charging generator | |
| JP2712261B2 (en) | Control device for turbocharger with rotating electric machine | |
| JP5282952B2 (en) | Electric power control device for motorcycles | |
| WO2008102378A2 (en) | A device and method for efficient power utilization | |
| JP3362424B2 (en) | Voltage control device for vehicle alternator | |
| KR100461130B1 (en) | AC generator output control device | |
| JP2881946B2 (en) | Vehicle charge control device | |
| JP3389750B2 (en) | Exhaust energy recovery device | |
| KR0135607Y1 (en) | Charging system in a car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031008 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |