WO2008113270A1 - Régulateur pour générateur à bord de véhicule - Google Patents

Régulateur pour générateur à bord de véhicule Download PDF

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Publication number
WO2008113270A1
WO2008113270A1 PCT/CN2008/070251 CN2008070251W WO2008113270A1 WO 2008113270 A1 WO2008113270 A1 WO 2008113270A1 CN 2008070251 W CN2008070251 W CN 2008070251W WO 2008113270 A1 WO2008113270 A1 WO 2008113270A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal line
control circuit
regulator
rectifier
high voltage
Prior art date
Application number
PCT/CN2008/070251
Other languages
English (en)
Chinese (zh)
Inventor
Hsichin Cheng
Original Assignee
Actron Technology Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Actron Technology Corporation filed Critical Actron Technology Corporation
Publication of WO2008113270A1 publication Critical patent/WO2008113270A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/16—Regulation of the charging current or voltage by variation of field
    • H02J7/24—Regulation of the charging current or voltage by variation of field using discharge tubes or semiconductor devices

Definitions

  • the utility model relates to a regulator for a vehicle generator, in particular to a regulator for preventing a wire fire accident caused by line damage.
  • FIG. 1 it is a circuit diagram of a regulator for a typical automotive alternator.
  • the alternator 1 is composed of a rotor coil 12 and a stator coil 11 (shown as a three-phase stator coil).
  • a magnetizing current flows into the rotor coil 12, and the internal combustion engine (not shown) of the vehicle drives the rotor coil 12 to rotate, the rotor coil generates a rotating magnetic field, and the stator coil 11 is cut to generate a three-phase AC output.
  • the three-phase rectifier 2 receives the three-phase AC output from the alternator 1 and rectifies it to generate a DC output to charge the battery 4.
  • the three-phase rectifier 2 has a high voltage output terminal 21 and a ground terminal 22. This high voltage output terminal 21 is connected to the charging terminal 41 of the battery 4 for charging.
  • a control transistor 30 has a power transistor (M0S) (not shown) electrically coupled to the rotor coil 12 to provide an excitation current. Further, the control circuit 30 is also electrically connected to the high voltage output terminal 21 of the rectifier 2 through a detection signal line 50 to detect the output voltage of the alternator 1. Thereby, the control circuit 30 can adjust the output voltage of the alternator 1 to avoid damage to the battery 4 due to excessive output voltage.
  • M0S power transistor
  • the stator coil 11 tends to generate a high voltage AC output. Therefore, the aforementioned detection signal line 50 connected between the control circuit 30 and the high voltage output terminal 21 of the rectifier 2 must withstand a high voltage signal. Therefore, if the detection signal line 50 is broken, it will not only affect the normal operation of the alternator 1, but also cause damage to the battery 4. In a more serious case, it may even cause the wire to escape, causing an accident of burning the car.
  • the main object of the present invention is to provide a regulator for a vehicle generator to prevent accidents caused by fire escape from high voltage wires in the vehicle.
  • the regulator for a vehicle generator provided by the utility model comprises a control circuit for controlling the operation of an alternator; a rectifier connected to the alternator, the rectifier having a high voltage output connected to a battery Charging the battery with an AC output of the alternator; a first signal line connected between the control circuit and the rectifier for the control circuit to detect a voltage value of the high voltage output; and at least a second signal The line is connected between the control circuit and the rectifier to serve as a backup circuit for the first signal line.
  • the utility model has the beneficial effects that: due to the increase of the design of the second signal line, if the first signal line is broken, the electrical signal can still be transmitted to the control circuit through the second signal line to avoid the charging voltage rising continuously. It is easy to cause damage to components and ensure the safety of vehicle operation. Illustration
  • Figure 1 is a circuit diagram of a regulator of a typical automotive alternator
  • FIG. 2 is a schematic view of a preferred embodiment of the vehicle regulator of the present invention.
  • FIG. 3 is a schematic view of another preferred embodiment of the vehicle regulator of the present invention.
  • Power cord front end 61 power cord back end 62
  • FIG. 2 is a schematic view of a preferred embodiment of the vehicle regulator of the present invention.
  • the vehicle regulator includes a control circuit 31, a rectifier 2, a first signal line 51 and at least a second signal line 52 (illustrated by taking a second signal line as an example).
  • the control circuit 31 is for controlling the operation of the alternator 1.
  • the alternator 1 is composed of a rotor coil 12 and a stator coil 11 for outputting electrical energy for converting the internal combustion engine to AC power.
  • the control circuit 31 has a power transistor (M0S) (not shown) for controlling the operation of the alternator 1 (i.e., deciding whether to apply an excitation current to the rotor coil 12 to activate the alternator).
  • the power transistor is connected to a diode (not shown) to eliminate the surge caused by its inversion.
  • the stator coil 11 is connected to the rectifier 2.
  • the AC output generated by the operation of the alternator 1 is transmitted from the stator coil 11 to the rectifier 2 and converted to a DC output via the rectifier 2.
  • the rectifier 2 has a high voltage output terminal 21 and a low voltage terminal 22 (generally a ground terminal), wherein the high voltage output terminal 21 is connected to a battery 4 via a power line 60 to charge the battery 4.
  • the power cord 60 has a front end 61 connected to the high voltage output 21 of the rectifier 2 and has a rear end 62 connected to the charging end 41 of the battery 4.
  • the first signal line 51 is connected between the control circuit 31 and the high voltage output terminal 21 of the rectifier 2, that is, between the control circuit 31 and the front end 61 of the power supply line 60.
  • the second signal line 52 is also connected between the control circuit 31 and the high voltage output 21 of the rectifier 2.
  • the control circuit 31 can detect the voltage value of the high voltage output terminal 21 of the rectifier 2 via the first signal line 51 or the second signal line 52 (which is also generally equivalent to the voltage value of the charging terminal 41 of the battery 4) to determine the alternating current.
  • Is generator 1 Operate to charge battery 4.
  • the first signal line 51 and the second signal line 52 are both detection lines located in the regulator, and the first signal line 51 and the second signal line 52 can be connected to the same contact of the control circuit 31.
  • control circuit 31 If the control circuit 31 detects through the first signal line 51 that the voltage value of the high voltage output terminal 21 of the rectifier 2 drops or falls below a default value, the control circuit 31 can output the excitation current to the rotor coil 12 through the power transistor to activate the alternating current.
  • the generator 1 charges the battery 4.
  • the control circuit 31 detects that the voltage value exceeds the default value (for example, the highest voltage value allowed by the battery 4) through the first signal line 51, the control circuit 31 stops supplying the excitation current to the rotor coil 12 to make the alternator. 4 Stop charging battery 4.
  • the control circuit 31 can be integrated on a chip using a micro-process or fabricated on a circuit board in a conventional circuit layout.
  • the second signal line 52 in the figure is connected in parallel to the first signal line 51.
  • the control circuit 31 can detect the voltage value of the high voltage output terminal 21 of the rectifier 2 through the first signal line 51 or the second signal line 52. That is, the second signal line 52 is an alternate line serving as the first signal line 51 for replacing the detecting function of the first signal line 51 when the first signal line 51 is accidentally broken.
  • the control circuit 31 cannot detect the charging voltage of the rectifier 2, and may continue to charge after the battery 4 has been saturated. As a result, the charging voltage is constantly rising, which is likely to cause damage to the components and may even endanger the safety of the vehicle operation. Second, the stator coil 11 often has a large current and a high voltage.
  • the conventional circuit design due to the lack of the design of the second signal line 52, if the first signal line 51 is broken, there is a considerable voltage difference at both ends of the open circuit, except that the voltage value of the high voltage terminal 21 of the rectifier 2 cannot be detected. In addition, it is easy to cause the wire to escape. On the contrary, in the circuit design of the present invention, even if the first signal line 51 is broken, the electric signal can be transmitted to the control circuit 31 through the second signal line 52, and therefore, the aforementioned disadvantages can be avoided.
  • FIG. 3 is a schematic view of another preferred embodiment of the vehicle regulator of the present invention.
  • the circuit 31 is connected to the high voltage output terminal 21 of the rectifier 2, and a third signal line 53 is connected between the control circuit 31 and the charging terminal 41 of the battery 4, that is, between the control circuit 31 and the rear end 62 of the power line 60.
  • the voltage value of the charging terminal 41 is directly detected. Therefore, in this embodiment, the control circuit 31 can detect the charging voltage value output by the rectifier 2 through the first signal line 51, the second signal line 52, and the third signal line.
  • the power line in order to avoid unnecessary power consumption during charging, the power line usually uses a relatively large diameter wire. Therefore, the voltage value of the charging terminal 41 and the voltage value of the high voltage output terminal 21 of the rectifier 2 are not too large. difference.
  • the voltage value measured by the third signal line 53 can of course be used as a criterion for the operation of the alternator 1.
  • the first signal line 51 or the third signal line 53 or even both of them generate an open circuit, the electrical signal originally transmitted to the control circuit 31 via the first signal line 51 can be transmitted to the control circuit via the second signal line 52. 31. Therefore, the control circuit can still control the alternator 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
  • Control Of Charge By Means Of Generators (AREA)

Abstract

régulateur pour générateur à bord de véhicule comprenant un circuit de contrôle (31), un redresseur (2), une première ligne de signal (51) et au moins une seconde ligne de signal (52). Le circuit de contrôle (31) assure le contrôle des opérations d'un alternateur (1). Le redresseur (2) est relié à l'alternateur (1) et comporte une borne de sortie de tension élevée (21) reliée à une batterie (4), pour le chargement de cette batterie (4) avec la sortie de l'alternateur (1). Les deux lignes (51, 52) sont respectivement reliées entre le circuit de contrôle (31) et la borne de sortie de tension élevée (21). Ainsi, le circuit de contrôle (31) peut détecter le niveau de tension à ladite borne (21).
PCT/CN2008/070251 2007-03-16 2008-02-02 Régulateur pour générateur à bord de véhicule WO2008113270A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200720004558.2 2007-03-16
CNU2007200045582U CN201032692Y (zh) 2007-03-16 2007-03-16 车用发电机的调节器

Publications (1)

Publication Number Publication Date
WO2008113270A1 true WO2008113270A1 (fr) 2008-09-25

Family

ID=39164580

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/070251 WO2008113270A1 (fr) 2007-03-16 2008-02-02 Régulateur pour générateur à bord de véhicule

Country Status (2)

Country Link
CN (1) CN201032692Y (fr)
WO (1) WO2008113270A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201032692Y (zh) * 2007-03-16 2008-03-05 朋程科技股份有限公司 车用发电机的调节器
CN106877478B (zh) * 2017-04-28 2020-03-27 重庆三信电子股份有限公司 一种车用电源系统及有源混合整流器和控制方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1495581A (en) * 1974-02-15 1977-12-21 Ducellier & Cie Motor vehicle battery charging system
CN85109437A (zh) * 1984-12-31 1986-12-03 莫托罗拉公司 用作汽车测速计检测电路的再调节电路
CN1004956B (zh) * 1985-02-01 1989-08-02 株式会社日立制作所 汽车用发电机的电压调节器
EP1187295A2 (fr) * 2000-09-11 2002-03-13 Denso Manufacturing Italia S.p.A. Procédé d'actionnement pour automobile et système de mise en oeuvre dudit procédé
US20020097027A1 (en) * 2001-01-22 2002-07-25 Mitsubishi Denki Kabushiki Kaisha Automotive electric power supply assembly
CN1567404A (zh) * 2003-07-10 2005-01-19 友达光电股份有限公司 具有备用信号线的薄膜电晶体阵列
TWM315177U (en) * 2006-12-15 2007-07-11 Actron Technology Corp Regulator for controlling vehicle alternator
CN201032692Y (zh) * 2007-03-16 2008-03-05 朋程科技股份有限公司 车用发电机的调节器

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1495581A (en) * 1974-02-15 1977-12-21 Ducellier & Cie Motor vehicle battery charging system
CN85109437A (zh) * 1984-12-31 1986-12-03 莫托罗拉公司 用作汽车测速计检测电路的再调节电路
CN1004956B (zh) * 1985-02-01 1989-08-02 株式会社日立制作所 汽车用发电机的电压调节器
EP1187295A2 (fr) * 2000-09-11 2002-03-13 Denso Manufacturing Italia S.p.A. Procédé d'actionnement pour automobile et système de mise en oeuvre dudit procédé
US20020097027A1 (en) * 2001-01-22 2002-07-25 Mitsubishi Denki Kabushiki Kaisha Automotive electric power supply assembly
CN1567404A (zh) * 2003-07-10 2005-01-19 友达光电股份有限公司 具有备用信号线的薄膜电晶体阵列
TWM315177U (en) * 2006-12-15 2007-07-11 Actron Technology Corp Regulator for controlling vehicle alternator
CN201032692Y (zh) * 2007-03-16 2008-03-05 朋程科技股份有限公司 车用发电机的调节器

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