CN101741306A - Integrated circuit voltage regulator for automobile - Google Patents
Integrated circuit voltage regulator for automobile Download PDFInfo
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- CN101741306A CN101741306A CN200810194627A CN200810194627A CN101741306A CN 101741306 A CN101741306 A CN 101741306A CN 200810194627 A CN200810194627 A CN 200810194627A CN 200810194627 A CN200810194627 A CN 200810194627A CN 101741306 A CN101741306 A CN 101741306A
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- voltage regulator
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Abstract
The invention discloses an integrated circuit voltage regulator for an automobile, which replaces a voltage regulator consisting of discrete components, and a common integrated circuit voltage regulator. The integrated circuit voltage regulator adopts the following technical scheme that a modern automobile adopts an alternating current (AC) generator as a main power source and a storage battery as an auxiliary power source; the AC generator provides power source for electrical equipment and charges the storage battery during running of the automobile; the storage battery provides starting current when the automobile starts up, and cooperates with the AC generator for power supply when the generator cannot generate enough quantity of electricity; the output voltage of the generator changes along with the change of rotation speed during running of the automobile; and an electronic regulator of the AC generator controls the voltage of the AC generator within a certain range and automatically regulates the output voltage of the generator and maintains a constant voltage when the rotation speed of the generator changes, thereby preventing damages to the electrical equipment caused by too high voltage, and overcharging of the storage battery. The integrated circuit voltage regulator has the advantages of stable performance, reliable operation, ideal consistency, small size and suitability for various types of the automobiles.
Description
Technical field
The present invention relates to a kind of auto parts machinery, exactly the invention discloses a kind of integrated circuit voltage regulator for automobile.
Background technology
The power supply of automobile generally is made up of generator, rectifier, adjuster and storage battery four parts.Automobile current generator sends direct current or alternating current by the automobile engine drive in car running process, provide automobile required electric energy.The generator of Hyundai Motor all is an alternating current generator, and the alternating current that it sends needs to be transformed into unidirectional pulsating current through rectifier.The alternating voltage of generator output changes with the rotating speed size of engine, thereby the unidirectional pulsating voltage after the rectification also changes with the rotating speed size of engine, and this is extremely harmful to all kinds of electrical appliances on the automobile.We know that the rated voltage of car electrics is generally direct current 14V or 28V two big classes.The effect of automobile current generator voltage regulator is exactly under the automobile engine different rotating speeds, and the Control of Automobile generator output voltage is stable at 14V or 28V, satisfies the needs of various electrical equipment on the car.
Early stage voltage regulator for automobile is an Electromagnetically vibrating, and the electromagnet in the adjuster is with the height adhesive or the release of generator commutation device output voltage, and control is to the charging interval of storage battery, thereby the maintenance automobile power supply system is stable.Adjuster and generator are two independently parts, connect by cable, and volume is big, error is big, the life-span is short, reliability is low.
The appearance of high power transistor, generator voltage controller adopt high power transistor to substitute electromagnet as current switch, have produced generation transistor voltage regulator for automobile.This voltage regulator has been eliminated current contact, has prolonged the working life of adjuster under the adverse circumstances, has improved the stationarity of output voltage.Along with development of electronic technology, integrated circuit voltage regulator for automobile has replaced the transistor voltage regulator for automobile, and volume further dwindles, still based on PCB assembling form.Because the heat conductivity of PCB is relatively poor, so the application of the integrated circuit car electronic adjuster of PCB formula is very limited.
Electronic system miniaturization packaging technology is that a technology road has been opened up in the development of integrated circuit voltage regulator for automobile.As far back as eighties of last century the fifties, U.S. scientist develops thick film mixing integrated technology based on the silk screen process technology, develops state-of-the art thick film mixing integrated package thus.
External trans-corporation develops application-specific integrated circuit (ASIC) mostly, and the integrated thick film hybrid integrated circuit of its secondary extensively becomes the core component of automobile dynamo governor.How tame well-known trans-corporations such as U.S. motorola inc, Japan electric coating company all are devoted to independent development voltage regulator for automobile application-specific integrated circuit in the car electrics field, so that strengthen core competitiveness separately.Develop the 9RC2103 application-specific integrated circuit (ASIC) as motorola inc and French Valeo company, adopt thick film mixing integrated technology to realize its bare chip with high power transistor interconnected by bonding techniques (Bounding nation is fixed), and be packaged in the TO-5 housing, combine with the brush carrier of generator reliably, become complete built-in voltage regulator, be directly installed on generator inside.Keen competition on core technology between each big well-known trans-corporation has in the world promoted the fast development of car electrics industries.
The domestic automobile alternator regulator has experienced the evolution of several stages such as electric and magnetic oscillation type electromechanical adjuster, PCB plug-in mounting transistor type adjuster, PCB surface-mounted (Surface Mount Technology is called for short SMT) IC integrated circuit voltage-regulation.At present, the producer of domestic production car electronic adjuster mostly adopts discrete component to cooperate aluminium base to make, and it is bad to dispel the heat, and its corresponding alternator output is on the low side, and the performance of itself is not high yet, is primarily aimed in middle and low-end market.And in high-end market, the electronic controller as manufacturer production such as America and Europe, Japan generally adopts adjuster control chip and ceramic thick-film circuit technology, and performance is fine, is the development trend of car electronic adjuster from now on.
For manufacturing and designing of high-end electronic controller, domestic now do not have autonomous regulator chip substantially, needs import, and the technological requirement of ceramic thick-film circuit is higher, and domestic thick-film technique has only minority manufacturer to meet the requirements.In addition, though the circuit theory of adjuster is not very complicated, because its operational environment more complicated, interference is many, and the wiring of circuit needs key design.
Summary of the invention
At the problems referred to above, a kind of dedicated IC chip disclosed by the invention, adopt the thick film integrated circuit technology, develop the application-specific integrated circuit (ASIC) voltage regulator for automobile, thereby replace the voltage regulator of separate piece composition and the integrated circuit voltage regulator of general type.Its scheme is: the power supply that automobile uses has two kinds in storage battery and generator.Hyundai Motor adopts alternating current generator as main power supply, and storage battery is as accessory power supply.In vehicle traveling process, provide power supply by generator to power consumption equipment, and to charge in batteries.Storage battery provides starting current when automobile start, when generator sends the electric weight deficiency, can work in coordination with generator powered.Automobile in the process of moving because the rotating speed of engine all changing at any time, the rotating speed of alternating current generator variation also, so generator output voltage is inevitable change with rotation speed change.Electronic regulator for AC generator the voltage control of alternating current generator in certain prescribed limit, when generator speed changes, automatic regulator generator output voltage also makes voltage keep constant, prevent that output voltage is too high and damage power consumption equipment and avoid that this project of storage battery overcharge properties of product are stable, reliable operation, high conformity, volume be little, is adapted to various vehicles.
Description of drawings
Referring to accompanying drawing, be groundwork circuit diagram of the present invention;
Execution mode
Below in conjunction with accompanying drawing principle of the present invention is described further.Accompanying drawing is a groundwork circuit diagram of the present invention.According to electromagnetic induction principle, the induced electromotive force of generator is: E
Φ=C
EN Φ
C in the formula
EBe the electric generator structure constant; N is a generator speed; Φ is every utmost point magnetic flux.Because C
EBe the electric machine structure constant, remain unchanged that therefore when the rotating speed of alternating current generator raise, adjuster remained unchanged the output voltage of generator by reducing the exciting curent of generator; If instead when generator speed descends, can increase exciting curent, the output voltage of generator is remained unchanged.The alternating current that AC generator for vehicle is sent becomes direct current after by rectification circuit and compares with the cell voltage of storage battery, if output voltage is higher than cell voltage, then battery is charged, and equates until both; If be lower than cell voltage, become feedback signal behind both synthetic feedback voltage process adjustment comparators and advance people's chip, thereby chip raise the output voltage of alternating current generator by adjusting field circuit raising exciting current, until balancing each other with cell voltage.Therefore, in this system, how to realize that the adjusting to exciting curent is to reach the stable key of voltage.The mainstream technology of electronic controller is in internal electronic element now, controls the pulsewidth of exciting circuit with an intelligent chip, thereby makes the output voltage stabilization of generator.
Product is broken through similar products at home and abroad conventional design technology mode, adopt unique thought of high voltage control principle, realize first adopting level lifting circuit to produce high-voltage power supply, adopted similar PWM pulse width control technology simultaneously, make product when big electric current is fully loaded with work, power output temperature rise is minimum, and the utmost point has improved the durability of product reliably working under 100 ℃ of hot conditionss effectively, and the heat when further suppressing automobile high-speed produces.Therefore the present invention has the following advantages: the curve characteristic of the device of applying in a flexible way; accurate control device temperature coefficient; and can be suitably selected on demand; solved the situation under the like product temperature coefficient is in not; satisfied the demand of each type; circuit has the instantaneous short-circuit defencive function, has solved the weakness of like product.Volume is little, is easy to assembling, is fit to the requirement of current automobile industry development.Based on ceramic wafer thick film circuit technology, good stability is led over domestic level.Product leaves the PC interface, according to the needs of development of automobile constantly to function upgrading.
Claims (1)
1. integrated circuit voltage regulator for automobile mainly comprises: thick film integrated circuit chip and adapter circuit; It is characterized in that described thick film integrated circuit chip is a pwm control circuit, described adapter circuit is meant the operating circuit of voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810194627A CN101741306A (en) | 2008-11-14 | 2008-11-14 | Integrated circuit voltage regulator for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810194627A CN101741306A (en) | 2008-11-14 | 2008-11-14 | Integrated circuit voltage regulator for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101741306A true CN101741306A (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810194627A Pending CN101741306A (en) | 2008-11-14 | 2008-11-14 | Integrated circuit voltage regulator for automobile |
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| CN (1) | CN101741306A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102811011A (en) * | 2012-08-28 | 2012-12-05 | 江苏祥和电子科技有限公司 | Voltage regulator for automobile |
| CN102884700A (en) * | 2010-07-28 | 2013-01-16 | 松下电器产业株式会社 | Power supply system, power supply system control device, power supply system operation method and power supply system control method |
| CN104821768A (en) * | 2015-04-23 | 2015-08-05 | 江苏云意电气股份有限公司 | Single-chip microcomputer C-terminal voltage regulator |
| CN108391460A (en) * | 2015-11-18 | 2018-08-10 | 罗伯特·博世有限公司 | The method of failure in generator unit for identification |
| CN109921702A (en) * | 2017-12-13 | 2019-06-21 | 北京机电工程研究所 | Power takeoff generation unit device |
| CN110034710A (en) * | 2019-05-24 | 2019-07-19 | 重庆交通职业学院 | Automobile self-regulation excitation electricity generation system |
-
2008
- 2008-11-14 CN CN200810194627A patent/CN101741306A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102884700A (en) * | 2010-07-28 | 2013-01-16 | 松下电器产业株式会社 | Power supply system, power supply system control device, power supply system operation method and power supply system control method |
| CN102884700B (en) * | 2010-07-28 | 2016-01-20 | 松下知识产权经营株式会社 | The control method of the control device of electric power supply system, electric power supply system, the method for operation of electric power supply system and electric power supply system |
| US9246345B2 (en) | 2010-07-28 | 2016-01-26 | Panasonic Intellectual Property Management Co., Ltd. | Power supply system, controller of power supply system, method of operating power supply system, and method of controlling power supply system |
| CN102811011A (en) * | 2012-08-28 | 2012-12-05 | 江苏祥和电子科技有限公司 | Voltage regulator for automobile |
| CN102811011B (en) * | 2012-08-28 | 2013-09-11 | 江苏祥和电子科技有限公司 | Voltage regulator for automobile |
| CN104821768A (en) * | 2015-04-23 | 2015-08-05 | 江苏云意电气股份有限公司 | Single-chip microcomputer C-terminal voltage regulator |
| CN104821768B (en) * | 2015-04-23 | 2018-10-02 | 江苏云意电气股份有限公司 | A kind of microcontroller C terminal voltage regulator |
| CN108391460A (en) * | 2015-11-18 | 2018-08-10 | 罗伯特·博世有限公司 | The method of failure in generator unit for identification |
| CN109921702A (en) * | 2017-12-13 | 2019-06-21 | 北京机电工程研究所 | Power takeoff generation unit device |
| CN110034710A (en) * | 2019-05-24 | 2019-07-19 | 重庆交通职业学院 | Automobile self-regulation excitation electricity generation system |
| CN110034710B (en) * | 2019-05-24 | 2023-08-22 | 重庆交通职业学院 | Self-adjusting excitation power generation system of automobile |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20100616 |