WO2008106875A1 - Procédé et appareil permettant d'empêcher une lampe de véhicule de s'allumer de manière erronée - Google Patents

Procédé et appareil permettant d'empêcher une lampe de véhicule de s'allumer de manière erronée Download PDF

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Publication number
WO2008106875A1
WO2008106875A1 PCT/CN2008/070268 CN2008070268W WO2008106875A1 WO 2008106875 A1 WO2008106875 A1 WO 2008106875A1 CN 2008070268 W CN2008070268 W CN 2008070268W WO 2008106875 A1 WO2008106875 A1 WO 2008106875A1
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Prior art keywords
battery
phase signal
vehicle
voltage value
alternator
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PCT/CN2008/070268
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English (en)
French (fr)
Inventor
Hsichin Cheng
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Actron Technology Corporation
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Publication of WO2008106875A1 publication Critical patent/WO2008106875A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for

Definitions

  • This invention relates to a method and apparatus for avoiding erroneous lighting of a vehicle, and more particularly to an illuminating phenomenon caused by a sudden decrease in electrical load of the vehicle.
  • FIG. 1 is a block diagram of a typical automotive alternator and its regulating circuit.
  • the alternator 1 is constituted by 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 automobile drives the rotor coil 12 to rotate, the rotor coil 12 generates a rotating magnetic field, and the stator coil 11 is cut to generate a three-phase AC output.
  • the 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 rectifier 2 has an output 21 and a ground terminal 22.
  • the output terminal 21 is connected to the high voltage terminal 41 of the battery 4 for charging. It is worth noting that the high voltage end 41 of the battery, in addition to being connected to the output 21 of the rectifier 2, is also connected to the rotor coil 12 to provide an exciting current.
  • a key switch 5 is connected in series between the battery 4 and an adjustment circuit 3.
  • the key switch 5 When the car is started, the key switch 5 is turned off, and the battery 4 supplies current to the regulating circuit 3 to activate the regulating circuit 3 and to bring the power transistor 32 into an on state. Since the power transistor 32 assumes an on state, the exciting current is supplied to the rotor coil 12, causing the alternator 1 to be in a power generating state.
  • the display lamp 6 will illuminate to inform the user that the vehicle power generation system is functioning properly. If the internal combustion engine of the car can operate normally after the vehicle is started, the indicator light 6 will be extinguished. Therefore, whether or not the display lamp 6 is turned on or not depends on the switch of the key switch 5, and also determines whether or not the phase signal generated by the rotation of the rotor coil 12 is present. If the key switch 5 is turned off and the phase signal does not exist, the display lamp 6 will light. On the other hand, if the phase signal is present (indicating that the rotor coil 12 is rotating), the display lamp 6 That is, it does not light up.
  • the information that the phase signal does not exist ie, the alternator does not have a three-phase AC output
  • the rotor coil 12 has not been rotated, if the electric load of the vehicle suddenly decreases, even if the internal combustion engine of the vehicle is normally operated, the rotor coil 12 It also continues to rotate, and it is also possible to generate information that the phase signal does not exist and cause the display lamp 6 to illuminate the lamp.
  • This illuminating action in addition to the wrong information that may be brought to the owner, may also cause shock to the owner and even affect the safety of the driving.
  • the present invention provides a method and apparatus for avoiding erroneous lighting of a vehicle to prevent false lighting caused by a sudden drop in power load of the vehicle.
  • a primary object of the present invention is to provide a method and apparatus for avoiding erroneous lighting of a vehicle to prevent false lighting that may result from a sudden decrease in the electrical load of the vehicle.
  • the invention provides a device for avoiding erroneous lighting of a vehicle, comprising an alternator
  • the alternator has a rotor coil and a certain sub-coil for converting the mechanical energy generated by the operation of the internal combustion engine of the automobile into an AC output.
  • the rectifier is electrically coupled to the stator coil for converting the AC output to a DC output.
  • the battery is electrically connected to the rectifier.
  • the adjusting circuit is electrically connected to the rotor coil, and the output voltage of the alternator is adjusted by the supply of the exciting current, and the adjusting circuit is electrically connected to the stator coil and the battery to detect the phase generated by the operation of the alternator (phase ) The voltage value of the signal and the high voltage side of the battery.
  • the indicator light is electrically connected to the regulating circuit and the battery. If the adjustment circuit detects that the phase signal is approximately zero and the voltage value is less than a predetermined value, the adjustment circuit, that is, the driving indicator lights.
  • the present invention also provides a method for avoiding erroneous lighting of a vehicle, comprising: (a) detecting a phase signal generated by rotation of a rotor of the alternator; (b) detecting a voltage of a high voltage end of the battery (c) determining whether the phase signal is zero; (d) if the phase signal is not zero, then not lighting, if the phase signal is approximately zero, determining whether the voltage value is less than a predetermined value; and (e) if If the voltage value is less than the preset value, it will light up, otherwise it will not light.
  • the alternator has not charged the battery, so that the voltage value is less than the preset value, and therefore lights up.
  • the regulating circuit stops supplying current to the electromagnetic coil, the detected phase signal is about zero, and the battery output current decreases, so that the voltage value is greater than the preset value, so Light up.
  • the present invention additionally detects the voltage value of the high voltage end of the battery to avoid the phase signal in the battery and In the case where the generator's electrical load suddenly drops, it may cause a false light problem. Therefore, it is possible to prevent the vehicle from igniting the light, so as not to affect the driving safety.
  • Figure 1 is a block diagram of a typical automotive alternator and its associated adjustment circuit
  • FIG. 2 is a block diagram of a preferred embodiment of the apparatus for avoiding erroneous lighting of a vehicle according to the present invention
  • FIG. 3 is a flow chart of a preferred embodiment of the method for avoiding erroneous lighting of a vehicle according to the present invention.
  • FIG 2 is a block diagram of a preferred embodiment of the apparatus for avoiding erroneous lighting of a vehicle.
  • the means for preventing the vehicle from illuminating the lamp includes an alternator 1, a rectifier 2, a battery 4, an adjustment circuit 7 and a display lamp 6.
  • the alternator 1 has a rotor coil 12 and a certain sub-coil 11 for converting mechanical energy generated by the operation of the internal combustion engine of the automobile into an AC output.
  • the rectifier 2 is electrically connected to the stator coil 11 for converting the AC output to a DC output.
  • the battery 4 is electrically connected to the rectifier 2 to store the power from the rectifier 2.
  • the regulating circuit 7 has a power supply circuit 72, a control core 74 and a drive circuit 76.
  • the key switch 5 is connected between the power supply circuit 72 and the battery 4. When the key switch 5 is turned on to start the vehicle, the battery 4 supplies current to the power supply circuit 72 to activate the adjustment circuit 7.
  • the control core 74 is electrically connected to the stator coil 11 to detect a phase signal generated by the operation of the alternator 1, and the control core 74 is also electrically connected to the high voltage terminal 41 of the battery 4 to detect the voltage value thereof.
  • Display light 6 is electrically coupled to control core 74 via a transistor 78. The control core 74 determines whether to turn on the transistor 78 based on the detected phase signal and voltage value so that current can be supplied to the display lamp 6 to illuminate.
  • the key switch 5 When the key switch 5 is turned to start the car, the key switch 5 is turned off, causing the battery 4 to start supplying power to the regulating circuit 7, and the driving circuit 76 is used to activate the alternator 1. At the same time, however, the rotor coil 12 of the alternator 1 has not been rotated, so that the phase signal detected by the control core 74 is approximately zero. At the same time, since the alternator 1 has not been charged to the battery 4, the voltage value of the high voltage terminal 41 of the battery 4 will be slightly decreased due to the activation of the adjusting circuit 7, and in the case of a battery having a normal charging state of 13 volts, the detection is performed. The voltage value reached may be only 5 to 8 volts. Based on this, a preset value can be set, which is greater than the voltage value of the high voltage end of the battery when the vehicle is started. And if the phase signal is about zero and the voltage value is less than the preset value, the indicator light is on.
  • the drive circuit 76 may also momentarily stop supplying the excitation current to the rotor coil 12, causing the phase signal detected by the control core 74 to be approximately zero (similar to the phase signal detected when the vehicle is started).
  • the voltage value of the high voltage terminal 41 of the battery 4 is lowered when the vehicle is started, and when the power load of the battery 4 and the alternator 1 suddenly decreases, the voltage of the high voltage terminal 41 is lowered due to the decrease of the current output from the battery 4. The value rises.
  • this preset value must be at least less than the regulated voltage of the alternator. Preferably, it is less than the voltage value of the battery 4 in its normal state of charge (generally 14 volts). Also, between 10 volts and 13 volts is a more desirable range.
  • FIG. 3 is a flow chart of a preferred embodiment of the method of the present invention for avoiding false illumination of a vehicle.
  • step 100 the phase signal generated by the rotation of the rotor coil 12 of the alternator 1 and the voltage value of the high voltage terminal 41 of the battery 4 are detected.
  • step 110 it is determined whether the phase signal is zero. If the phase signal is not zero, as shown in step 120, it will not light. On the other hand, if the phase signal is approximately zero, the process proceeds to step 130, and it is further determined whether the voltage value of the high voltage terminal 41 of the battery 4 is less than a preset value to determine whether to light.
  • step 140 if it is less than this preset value, it lights up. Otherwise, as shown in step 160, it does not light up.
  • the display lamp 6 is turned on only when the phase signal generated by the rotation of the rotor coil 12 of the alternator 1 is approximately zero, and the voltage value of the high voltage terminal 41 of the battery 4 is less than the preset value.
  • the phase signal and the voltage value are detected in the same step 100.
  • the detection of the phase signal and the voltage value can be separated into different steps.
  • the phase signal can be detected first, and after confirming that the phase signal is indeed approximately zero, the voltage value is detected.
  • the determination of whether the phase signal is zero and whether the voltage value is less than a preset value is performed separately from the two steps 110 and 130.
  • these two steps can also be combined in a single step. That is, by judging whether the phase signal is approximately zero and the voltage value at the same time It is less than the preset value to decide whether to light (both conditions are met, only to light).
  • the present invention additionally detects the voltage value of the high voltage terminal 41 of the battery 4 to avoid The phase signal may cause a false lighting problem in the case where the power load of the battery 4 and the generator 1 suddenly drops. Therefore, it is possible to prevent the vehicle from igniting the light from occurring, so as not to affect the driving safety.

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

Description

避免车辆误亮灯的方法及其装置
技术领域
本发明是关于一种避免车辆误亮灯的方法及其装置, 尤其是针对车辆 的电能负载突然降低时所导致误亮灯现象。
背景技术
请参照图 1所示, 图 1是一典型车用交流发电机及其调节电路的方块 图。如图中所示,交流发电机 1是由一转子(rotor)线圈 12与一定子(stator) 线圈 11 (图中所示为一三相定子线圈) 所构成。 当一激磁电流通入转子线 圈 12, 且汽车的内燃引擎(未图标)带动转子线圈 12转动时, 此转子线圈 12即会产生一旋转磁场, 切割定子线圈 11, 而产生三相交流输出。
整流器 2是接受来自交流发电机 1 的三相交流输出, 予以整流后, 产 生直流输出, 以对蓄电池 4充电。 此整流器 2具有一输出端 21与一接地端 22。 输出端 21是连接至蓄电池 4的高压端 41以进行充电。 值得注意的是, 此蓄电池的高压端 41除了连接至整流器 2的输出端 21外, 也连接至转子 线圈 12提供激磁电流。
一钥匙开关 5串接于蓄电池 4与一调节电路 3之间。 当汽车启动时, 钥匙开关 5关闭, 蓄电池 4提供电流至调节电路 3, 以启动调节电路 3, 并 且使功率晶体管 32呈现导通状态。 由于功率晶体管 32呈现导通状态, 因 此,激磁电流得以提供至转子线圈 12, 使交流发电机 1处于可发电的状态。
通常在关闭钥匙开关 5以启动调节电路 3时, 显示灯 6会亮灯, 以通 知使用者车辆发电系统运作正常。 若是汽车内燃引擎在车辆启动后可以正 常运转, 此显示灯 6即会熄灭。 因此, 此显示灯 6的亮灯与否, 除了决定 于钥匙开关 5 的开关外, 也同时决定于转子线圈 12 旋转所产生的相位 (phase) 信号存否。 若是钥匙开关 5关闭, 而相位信号不存在, 显示灯 6 即会亮灯。 反之, 若是相位信号存在 (表示转子线圈 12旋转) , 显示灯 6 即不亮灯。
不过, 相位信号不存在的信息 (即交流发电机没有三相交流输出) , 除了存在于转子线圈 12尚未转动的情况, 若是车辆的电力负载突然降低, 即使车辆的内燃引擎正常运转, 转子线圈 12也持续转动, 也可能产生相位 信号不存在的信息而使显示灯 6误亮灯。 此误亮灯的动作, 除了可能带给 车主错误的信息外, 也可能对车主造成惊吓, 甚至对于行车安全造成影响。
因此, 本发明提供一种避免车辆误亮灯的方法及装置, 用以防止此因 车辆电力负载突然下降所导致的误亮灯现象。
发明内容
本发明的主要目的在于提供一种避免车辆误亮灯的方法及装置, 用以 防止车辆电力负载突然降低所可能导致的误亮灯现象。
本发明提供一种避免车辆误亮灯的装置, 包括一交流发电机
(alternator)、 一整流器、 一蓄电池、 一调节电路与一显示灯。 其中, 交流 发电机具有一转子线圈与一定子线圈, 用以将汽车内燃引擎运转产生的机 械能转换为交流输出。 整流器电连接至定子线圈, 用以将交流输出转换为 直流输出。 蓄电池电连接至整流器。 调节电路电连接至转子线圈, 通过激 磁电流的供应与否, 调整交流发电机的输出电压, 并且, 此调节电路电连 接至定子线圈与蓄电池, 以侦测交流发电机运转所产生的相位 (phase) 信 号与蓄电池的高压端的电压值。 显示灯电连接至调节电路与蓄电池。 若是 调节电路侦测到相位信号约略为零且电压值小于一预设值, 调节电路即驱 动显示灯亮灯。
依据前述装置, 本发明也提供一种避免车辆误亮灯的方法, 包括: (a) 侦测交流发电机的转子旋转所产生的相位 (phase) 信号; (b)侦测蓄电池的 高压端的电压值; (c)判断相位信号是否为零; (d)若是相位信号不为零, 则 不亮灯,若是相位信号约略为零,则判断电压值是否小于一预设值; 以及 (e) 若是电压值小于预设值, 则亮灯, 反之则不亮灯。 车辆发动时, 交流发电机的转子尚未转动, 侦测到的相位信号约略为 零, 并且, 交流发电机尚未对蓄电池充电, 使电压值小于预设值, 因此亮 灯。
在车辆运转中, 蓄电池的电能负载突然降低时, 调节电路停止供应电 流至电磁线圈, 侦测到的相位信号约略为零, 并且, 蓄电池输出的电流降 低, 使电压值大于预设值, 因此不亮灯。
相较于传统的调节电路, 仅以交流发电机的转子线圈旋转所产生的相 位信号作为判断亮灯与否的依据, 本发明另外侦测蓄电池的高压端的电压 值, 以避免相位信号在蓄电池与发电机的电能负载突然降低的情况下, 而 可能导致的误亮灯问题。 因此, 可以防止车辆误亮灯的情形发生, 以免对 于行车安全造成影响。
关于本发明的优点与精神可以通过以下的发明详述及所附图式得到进 一步的了解。
附图说明
图 1是一典型车用交流发电机及其相关调节电路的方块图;
图 2是本发明避免车辆误亮灯的装置一较佳实施例的方块图; 以及 图 3是本发明避免车辆误亮灯的方法一较佳实施例的流程图。
图号说明:
交流发电机 1 转子线圈 12
定子线圈 11 整流器 2
输出端 21 接地端 22
调节电路 3 功率晶体管 32
二极管 33 蓄电池 4
高压端 41 钥匙开关 5
显示灯 6 调节电路 7
电源电路 72 控制核心 74 驱动电路 76 晶体管 78
具体实施方式
请参照图 2所示, 图 2是本发明所提供避免车辆误亮灯的装置一较佳 实施例的方块图。 如图中所示, 此避免车辆误亮灯的装置包括一交流发电 机 (alternator) 1、 一整流器 2、 一蓄电池 4、 一调节电路 7与一显示灯 6。 其中, 交流发电机 1具有一转子线圈 12与一定子线圈 11,用以将汽车内燃 引擎运转产生的机械能转换为交流输出。 整流器 2电连接至定子线圈 11, 用以将交流输出转换为直流输出。 蓄电池 4电连接至整流器 2以储存来自 整流器 2的供电。
调节电路 7具有一电源电路 72、 一控制核心 74与一驱动电路 76。 钥 匙开关 5连接于电源电路 72与蓄电池 4间。在转动钥匙开关 5发动汽车时, 蓄电池 4提供电流至电源电路 72以启动调节电路 7。
控制核心 74电连接至定子线圈 11,以侦测交流发电机 1运作所产生的 相位 (phase) 信号, 并且, 此控制核心 74也电连接至蓄电池 4的高压端 41, 以侦测其电压值。 显示灯 6是通过一晶体管 78电连接至控制核心 74。 控制核心 74依据侦测所得的相位信号与电压值,决定是否开启此晶体管 78, 以使电流得以供应至显示灯 6使其亮灯。
在转动钥匙开关 5以发动汽车时, 钥匙开关 5关闭, 使蓄电池 4开始 对调节电路 7供电,通过驱动电路 76以启动交流发电机 1。不过在此同时, 交流发电机 1的转子线圈 12尚未转动, 因此, 控制核心 74侦测到的相位 信号约略为零。 同时, 由于交流发电机 1尚未对于蓄电池 4充电, 蓄电池 4 的高压端 41的电压值将因调节电路 7的启动而略微下降, 以一正常充电状 态具有 13伏特的蓄电池而言, 此时侦测到的电压值可能仅有 5至 8伏特。 基于此, 可设定一预设值, 大于车辆发动时蓄电池的高压端的电压值。 并 且设定若是相位信号约略为零且电压值小于此预设值, 则显示灯亮灯。
在汽车正常运行的过程中, 若是蓄电池 4与交流发电机 1 的电能负载 突然降低, 驱动电路 76也可能瞬间停止供应激磁电流至转子线圈 12而造 成控制核心 74侦测到的相位信号约略为零(类似车辆发动时所侦测到的相 位信号) 。 不过, 异于车辆发动时蓄电池 4的高压端 41的电压值会降低, 在蓄电池 4与交流发电机 1的电能负载突然降低时, 由于蓄电池 4输出的 电流降低, 将导致其高压端 41的电压值上升。 通过适当设定此预设值, 即 可使在此异常情况下(即电能负载突然降低的情况)控制核心 74所侦测到 的电压值大于预设值。 因此, 控制核心 74并不会控制显示灯 6亮灯。 基本 上,此预设值至少必须小于交流发电机的稳压电压值。最好是小于蓄电池 4 正常充电状态的电压值(一般而言是 14伏特) 。 又, 介于 10伏特至 13伏 特是一更理想的范围。
请参照图 3所示, 图 3是本发明避免车辆误亮灯的方法一较佳实施例 的流程图。 首先, 如步骤 100所示, 侦测交流发电机 1的转子线圈 12旋转 所产生的相位信号与蓄电池 4的高压端 41的电压值。 随后, 如步骤 110所 示, 判断相位信号是否为零。 若是相位信号不为零, 如步骤 120所示, 则 不亮灯。 反之, 若是相位信号约略为零, 则进入步骤 130, 再进一步判断蓄 电池 4的高压端 41的电压值是否小于预设值,以决定是否亮灯。如步骤 140 所示, 若是小于此预设值, 则亮灯。 反之, 如步骤 160所示, 则不亮灯。 通过此流程, 只有在交流发电机 1的转子线圈 12旋转所产生的相位信号约 略为零, 且蓄电池 4的高压端 41的电压值小于预设值的情况下, 显示灯 6 才会亮灯。
前述流程中, 相位信号与电压值是在同一个步骤 100进行侦测。 然而, 也不限于此, 相位信号与电压值的侦测也可分开为不同步骤。 进一步来说, 可以先侦测相位信号, 在确认相位信号确实约略为零之后, 再侦测电压值。 此外, 前述流程中, 相位信号是否为零与电压值是否小于预设值的判断, 是分开于两个步骤 110与 130分别进行。 不过也不限于此, 这两个步骤也 可合并于单一步骤进行。 即通过判断是否相位信号约略为零且同时电压值 小于预设值, 来决定是否亮灯 (二个条件均成立, 才亮灯) 。
相较于传统的调节电路, 仅以交流发电机 1的转子线圈 12旋转所产生 的相位信号作为判断亮灯与否的依据, 本发明另外侦测蓄电池 4 的高压端 41的电压值, 以避免相位信号在蓄电池 4与发电机 1的电能负载突然降低 的情况下, 而可能导致的误亮灯问题。 因此, 可以防止车辆误亮灯的情形 发生, 以免对于行车安全造成影响。
以上所述是利用较佳实施例详细说明本发明, 而非限制本发明的范围, 而且熟知此类技艺人士皆能明了, 适当而作些微的改变及调整, 仍将不失 本发明的要义所在, 也不脱离本发明的精神和范围。

Claims

权利要求书
1. 一种避免车辆误亮灯的方法, 该车辆具有一交流发电机与一蓄电池, 该 交流发电机是用以将该车辆的内燃引擎运转产生的机械能转换为电能输 出, 该蓄电池是用以储存该电能, 其特征在于, 该方法包括:
侦测该交流发电机的转子旋转所产生的一相位信号;
侦测该蓄电池的高压端的一电压值;
判断该相位信号是否为零;
若是该相位信号不为零, 则不亮灯, 若是该相位信号约略为零, 则判断 该电压值是否小于一预设值; 以及
若是该电压值小于该预设值, 则亮灯, 反之则不亮灯。
2. 如权利要求 1所述的方法, 其特征在于, 所述预设值小于所述交流发电 机的稳压电压值。
3. 如权利要求 1所述的方法, 其特征在于, 车辆发动时, 交流发电机的转 子尚未转动, 侦测到的相位信号约略为零, 并且, 交流发电机尚未对蓄 电池充电, 侦测到的电压值小于所述预设值。
4. 如权利要求 1所述的方法, 其特征在于, 在车辆运转中, 蓄电池的电能 负载突然降低时, 调节电路停止供应电流至电磁线圈, 侦测到的相位信 号约略为零, 并且, 蓄电池输出的电流降低, 侦测到的电压值大于所述 预设值。
5. 如权利要求 1所述的方法, 其特征在于, 所述相位信号与所述电压值的 侦测是在同一步骤进行。
6. 如权利要求 1所述的方法, 其特征在于, 所述相位信号是否为零与所述 电压值是否小于预设值的判断是在同一步骤进行。
7. 如权利要求 1所述的方法, 其特征在于, 侦测相位信号后, 在侦测电压 值之前, 先判断相位信号是否为零, 若是相位信号不为零, 则不继续侦 测电压值。
8. 一种避免车辆误亮灯的装置, 其特征在于, 该装置包括:
一交流发电机, 具有一转子线圈与一定子线圈, 用以将汽车内燃引擎运 转产生的机械能转换为交流输出;
一整流器, 电连接至所述定子线圈, 用以将所述交流输出转换为直流输 出;
一蓄电池, 电连接至所述整流器;
一调节电路,电连接至所述转子线圈,以调整该交流发电机的输出电压, 并且, 该调节电路电连接至所述定子线圈与所述蓄电池, 以侦测该交流发电 机运转所产生的一相位信号与该蓄电池的高压端的电压值; 以及
一显示灯, 电连接至所述蓄电池与所述调节电路;
其中, 若是调节电路侦测到相位信号约略为零且电压值小于一预设值, 调节电路即驱动显示灯亮灯。
9. 如权利要求 8所述的避免车辆误亮灯的装置, 其特征在于, 所述预设值 小于所述交流发电机的稳压电压值。
10. 如权利要求 8所述的避免车辆误亮灯的装置, 其特征在于, 该装置还包 括一钥匙开关, 连接于所述调节电路与所述蓄电池之间, 当该钥匙开关 关闭, 该蓄电池供应电力至该调节电路, 以启动该交流发电机。
11. 如权利要求 10所述的避免车辆误亮灯的装置,其特征在于,所述显示灯 电连接至所述钥匙开关。
12. 如权利要求 8所述的避免车辆误亮灯的装置, 其特征在于, 所述交流发 电机与所述蓄电池的电力负载突然降低时, 所述调节电路停止供应一激 磁电流至所述转子线圈, 导致相位信号下降至约略为零, 并且, 该蓄电 池输出的电流降低, 使该电压值大于该预设值。
13. 如权利要求 8所述的避免车辆误亮灯的装置, 其特征在于, 所述显示灯 是通过一晶体管电连接至所述调节电路, 该调节电路依据侦测到的相位 信号与电压值, 控制该晶体管的启闭以决定该显示灯是否亮灯。
PCT/CN2008/070268 2007-03-08 2008-02-03 Procédé et appareil permettant d'empêcher une lampe de véhicule de s'allumer de manière erronée WO2008106875A1 (fr)

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CN105141205B (zh) * 2015-10-08 2018-02-02 环旭电子股份有限公司 车载启动电路及其电源补偿电路
US11536762B2 (en) * 2018-11-29 2022-12-27 Grote Industries, Inc. System for detecting circuit anomalies in trailer wiring
CN112469176B (zh) * 2020-12-21 2022-04-22 珠海格力电器股份有限公司 用于防止指示灯假亮的控制电路及方法、存储介质和设备

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JPH0823643A (ja) * 1994-07-07 1996-01-23 Hitachi Ltd 車両用充電発電機の制御装置
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