WO2015167075A1 - Dispositif électronique pour véhicule - Google Patents

Dispositif électronique pour véhicule Download PDF

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Publication number
WO2015167075A1
WO2015167075A1 PCT/KR2014/007063 KR2014007063W WO2015167075A1 WO 2015167075 A1 WO2015167075 A1 WO 2015167075A1 KR 2014007063 W KR2014007063 W KR 2014007063W WO 2015167075 A1 WO2015167075 A1 WO 2015167075A1
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WO
WIPO (PCT)
Prior art keywords
voltage
vehicle
operation information
connector
signal
Prior art date
Application number
PCT/KR2014/007063
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English (en)
Korean (ko)
Inventor
원재선
Original Assignee
현대엠엔소프트 주식회사
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.)
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Publication date
Application filed by 현대엠엔소프트 주식회사 filed Critical 현대엠엔소프트 주식회사
Publication of WO2015167075A1 publication Critical patent/WO2015167075A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D41/00—Fittings for identifying vehicles in case of collision; Fittings for marking or recording collision areas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values

Definitions

  • the present invention relates to a vehicle electronic device, and more particularly, to a vehicle electronic device capable of detecting and recording various operation state information of a vehicle without adding a separate signal line or connector in detecting an operation state or operation history of the vehicle. .
  • a black box mounted on an airplane is a device that stores the operating state of the plane at the moment of an accident, the physical state of the operator, and voice data exchanged between the operators at the moment of an accident in an internal memory. So, if you collect and analyze a black box after an accident, you can trace back the state of the moment.
  • the vehicle black box is a device for obtaining information necessary to determine how the accident occurred when the accident occurred while driving the vehicle.
  • the black box for a vehicle not only records and records various situations occurring while the vehicle is running, but also monitors whether a vehicle burns out through the always recording mode even in a parking state.
  • a vehicle electronic device such as a black box uses a power connector having two signal lines (battery voltage and ground voltage) in addition to one signal line for determining an operation state of the vehicle.
  • the one signal line is used to determine the state of the accessory power supply, but may also be used to determine whether the brake light is blinking.
  • the present invention provides a vehicle electronic device capable of detecting and recording various operating state information of a vehicle without detecting a separate signal line or connector in hardware in detecting the operating state or operation history of the vehicle. To provide.
  • the present invention comprises a connector for receiving two or more operation information signals from the vehicle, and outputs signals of different voltages corresponding to the respective operation information signals;
  • a voltage sensing unit sensing a voltage of an output signal of the first output terminal of the connector;
  • a controller configured to detect operation information of the vehicle based on the voltage detected by the voltage detector and store the operation information of the vehicle.
  • the present invention further includes a reference resistor installed between the first output terminal and the ground terminal of the connector, wherein the voltage sensed by the voltage sensing unit is determined by voltage distribution between the connector and the reference resistor. .
  • the connector includes two or more resistors each connected to a plurality of input terminals to which the two or more operation information signals are respectively input, wherein the two or more resistors are connected in parallel to the reference resistance and the resistance values are different from each other. It features.
  • the control unit when the combined resistance of the two or more resistors included in the connector is the minimum, the voltage of the output signal of the first output terminal of the connector as a reference voltage, the output voltage of the first output terminal and the reference And detecting operation information of the vehicle by a ratio between voltages.
  • control unit is characterized in that for detecting the operation information of the vehicle by the ratio between the voltage sensed by the voltage sensing unit and the battery voltage of the vehicle.
  • the connector further includes a second output terminal for outputting a battery voltage from the vehicle, and a third output terminal for outputting a ground voltage from the vehicle, wherein the vehicle electronics device is connected to the second output terminal; And a second resistor connected between the first resistor and the third output terminal, wherein the controller is configured to adjust the battery voltage of the vehicle by the voltage divided by the first resistor and the second resistor. It is characterized by judging.
  • the two or more operation information signals are characterized in that it comprises at least a vehicle accessory voltage signal, a brake light flashing information signal, a lane change alarm signal.
  • the voltage sensing unit may be an analog-digital converter for digitally converting a voltage of an output signal of the first output terminal and outputting the digital signal to the controller.
  • the vehicle electronic device is a vehicle black box for recording the image information including the driving state of the vehicle and various operation information of the vehicle.
  • the present invention converts the operation information signal into a battery voltage or an open state voltage and provides it to the connector when two or more operation information signals inputted from the vehicle are input to the battery voltage or the ground voltage according to whether each signal is activated. Characterized in that it further comprises a signal conversion unit.
  • the electronic device for a vehicle uses a voltage distribution action by a plurality of resistors having different resistance values without adding a separate signal line or connector in hardware in detecting an operation state or operation history of the vehicle. Status information can be detected and recorded, respectively, so that the operation history of the vehicle can be accurately grasped in case of an accident in the future.
  • An electronic device for a vehicle according to the present invention has an advantage in that it can be implemented by simply adding a resistor and performing software processing without additionally installing an expensive separate analyzer.
  • FIG. 1 is a block diagram illustrating a configuration of an electronic device for a vehicle according to an exemplary embodiment of the present disclosure.
  • FIG. 3A is a table illustrating various ratio information including a voltage sensed by a voltage sensing unit according to each operation information signal input from a vehicle in this embodiment.
  • 3B is a graph illustrating a transition of the voltage detected by the voltage detector according to each operation information signal input from the vehicle.
  • FIG. 1 is a block diagram showing a configuration of an electronic device for a vehicle according to an embodiment of the present invention
  • FIG. 2 is a diagram showing a configuration of a connector included in the present embodiment
  • FIG. 3A is input from a vehicle in this embodiment.
  • Figure 3b is a graph showing the transition of the voltage detected by the voltage sensing unit according to each operation information signal input from the vehicle, Referring to this, a vehicle electronic device according to the present embodiment will be described.
  • the vehicle electronic device 100 may be a vehicle black box for recording image information including the driving state of the vehicle and various operation information of the vehicle.
  • the vehicle electronic device 100 of the present embodiment may be stored in the black box.
  • the present invention is not limited thereto, and is used as a concept including all kinds of electronic devices capable of detecting various state information of a vehicle.
  • the vehicle electronic apparatus 100 receives a plurality of operation information signals B, S, and A from a vehicle, and outputs the operation information signals B, S, and A, respectively.
  • Connectors 150 for outputting signals of different voltages in correspondence with each other;
  • a voltage sensing unit 130 sensing a voltage Va of the output signal of the first output terminal OUT1 of the connector 150;
  • a controller 110 that detects operation information of the vehicle based on the voltage Va sensed by the voltage detector 130 and stores the operation information of the vehicle in the memory 120.
  • the signal (B) is a brake light blinking information signal
  • the signal (S) is a lane change alarm signal
  • the signal (A) is an accessory voltage signal of the vehicle, and other various types of vehicle operation information signals may be extended. Can be.
  • the connector 150 includes a plurality of resistors R1, R2, and R3 respectively connected to a plurality of input terminals to which the plurality of operation information signals B, S, and A are respectively input. .
  • the plurality of resistors R1, R2, and R3 are connected in parallel to the reference resistor Ra, and their resistance values are applied to different values.
  • the voltage sensed by the voltage sensing unit 130 is determined by the voltage distribution between the connector 150 and the reference resistor Ra.
  • the connector 150 further includes a second output terminal OUT2 for outputting the battery voltage VCC from the vehicle, and a third output terminal OUT3 for outputting the ground voltage GND from the vehicle.
  • the vehicle electronic device 100 further includes a first resistor Rc connected to the second output terminal OUT2 and a second resistor Rb connected between the first resistor Rc and the third output terminal OUT3. It may include.
  • the controller 110 may determine the battery voltage VCC of the vehicle based on the voltage divided by the first resistor Rc and the second resistor Rb.
  • an analog-digital converter for digitally converting the voltage Va of the output signal of the first output terminal OUT1 and outputting the converted voltage to the controller 110 may be employed.
  • Various types of voltage sensing devices capable of detecting and providing the sensing information may be applied.
  • the vehicle electronic device 100 receives operation information signals B, S, and A relating to each operation state of the vehicle from the fuse box 200 of the vehicle through the connector 150, and together with the battery of the vehicle.
  • the voltage VCC and the ground voltage GND are also input.
  • the three operation information signals B, S, and A are applied as examples of the vehicle operation information signals, and only two of them may be used, or more may be used.
  • the signal B is a brake light blinking information signal
  • the signal S is a lane change alarm signal
  • the signal A is an accessory voltage signal of the vehicle
  • these signals are an embodiment of the operation information signal indicating the state information of the vehicle. It is to be understood that the present invention can be extended to other various types of vehicle operation information signals without being limited thereto.
  • the fuse box 200 of the vehicle has been cited as an example of a signal provider for providing the various operation information signals B, S, and A, and may provide the operation information signals B, S, and A. It may be another type of module or device.
  • these operation information signals have the same voltage value as the battery voltage VCC of the vehicle, and may have different voltage values depending on the embodiment.
  • the operation information signals B, S and A have a voltage value of 14 [V] equal to the battery voltage VCC of the vehicle.
  • the battery voltage VCC, the operation information signals B, S, and A, and the ground voltage GND input as described above are used to connect the first to third output terminals OUT1 to OUT3 of the connector 150 shown in FIG. 2. It is transmitted to each component of the vehicle electronic device 100 through.
  • the battery voltage VCC of the vehicle is transmitted to the power supply unit 140 through the connector 150 to be used as a power source for each component in the vehicle electronic device 100, and the operation information signals B, S, and A are respectively resistances ( It is output to the first output terminal OUT1 through R1), resistor R2, and resistor R3.
  • the ground voltage GND is output through the third output terminal OUT3.
  • the resistor R1, the resistor R2, and the resistor R3 have different voltage values of the voltage Va of the first output terminal OUT1 due to voltage division with the reference resistor Ra, which will be described later.
  • it is connected in parallel with the reference resistance (Ra). That is, when the resistance values of the resistors R1, R2, and R3 connected to the same reference resistor Ra are different from each other, the voltage is determined depending on whether the respective operation information signals B, S, and A are activated.
  • the voltage Va of the first output terminal OUT1 to be distributed uses properties that vary. In this embodiment, as shown in Fig.
  • a resistance of 1.2 [kW] is used as the reference resistance Ra, and 18 [kW] and 9 [kW are used as the resistors R1, R2, and R3. ] And 33 [ ⁇ ], respectively, and of course, different resistance values can be used depending on the intention of the system designer.
  • the voltage detector 130 detects the voltage Va of the signal output to the first output terminal OUT1 of the connector 150 and transmits the detected voltage Va to the controller 110.
  • the controller 110 may determine which operation information signal is input based on the voltage Va sensed by the voltage detection unit 130, and may also identify which operation is performed in the vehicle correspondingly. The information is stored in the memory unit 120.
  • the resistors R1, R2, and R3 have different resistance values, even if the operation information signals B, S, and A are input at the same voltage, which operation information signals are input.
  • the value of the voltage Va sensed by the voltage sensing unit 130 varies depending on whether or not is input. For example, when only the accessory power signal A is input as shown in FIGS. 3A and 3B, the value of the voltage Va divided by the resistor R3 and the reference resistor Ra is represented by Equation 1 below. It becomes 0.49 [V] as follows.
  • the controller 110 may determine which operation information signal is input based on the voltage Va sensed by the voltage detector 130.
  • the controller 110 may be connected to the voltage detector 130.
  • the operation information of the vehicle may be detected by a ratio between the voltage Va sensed by the battery voltage and the battery voltage VCC of the vehicle.
  • the rated voltage of the battery voltage VCC is determined in the vehicle
  • the voltage value of the battery voltage VCC and the operation information signals B, S, and A obtained therefrom is determined by the vehicle starting on / off state or It may vary depending on the operating state of the generator.
  • the ratio between the sensing voltage Va and the battery voltage VCC is kept constant. Therefore, in consideration of the case where the absolute value of the voltage Va sensed by the voltage sensing unit 130 is changed, the sensing voltage Va and the battery voltage VCC as shown in FIG. 3A for more accurate information detection.
  • the operation information of the vehicle can be detected depending on the ratio of the liver. That is, as illustrated in FIG. 3A, when the ratio between the sensing voltage Va and the battery voltage VCC is 0.06, it may be detected that the brake lamp is blinking.
  • the controller 110 refers to a voltage when the combined resistance of the resistor R1, the resistor R2, and the resistor R2 is the minimum, as a reference voltage, and the sensing voltage Va and the reference voltage as shown in FIG. 3A.
  • the operation information of the vehicle may be detected depending on the ratio between the voltages ("output ratio" in FIG. 3A). That is, as illustrated in FIG. 3A, when the ratio between the sensing voltage Va and the reference voltage is 0.76, the lane change alarm may blink and the accessory power may be detected.
  • the controller 110 monitors the ratio between the sensing voltage Va and the battery voltage VCC or the ratio between the sensing voltage Va and the reference voltage, thereby accurately operating the vehicle even when the battery voltage VCC is changed. Information can be detected.
  • the controller 110 may check which operation information signal is input based on the voltage Va sensed by the voltage detector 130 to determine which operation is performed in the vehicle. This information is stored in the memory unit 120 to check the history stored in the memory unit 120 in the event of an accident or the like in the future so that it is possible to check what operation was performed while driving.
  • the vehicle electronic device 100 records in the memory unit 120 that the brake lamp blinking information signal B has been input to determine whether the sudden start occurs later.
  • the connector 150 may include a second output terminal OUT2 for outputting the battery voltage VCC from the vehicle, and a third output terminal OUT3 for outputting the ground voltage GND from the vehicle.
  • the electronic device 100 may include a first resistor Rc connected to the second output terminal OUT2 and a second resistor Rb connected between the first resistor Rc and the third output terminal OUT3. have.
  • the voltage detector 130 detects and provides a voltage Vb divided by the first resistor Rc and the second resistor Rb to the controller 110, and the controller 110 controls the vehicle by the voltage.
  • the battery voltage VCC can be calculated.
  • an analog-digital converter for digitally converting the voltage Va of the output signal of the first output terminal OUT1 and outputting the converted voltage to the controller 110 may be employed.
  • Various types of voltage sensing devices capable of detecting and providing the sensing information may be applied.
  • the vehicle electronic device 100 has a separate signal conversion unit (not shown) between the fuse box 200 and the connector 150 of the vehicle, that is, at the front end of the connector 150. It may further include.
  • the signal converting unit (not shown) is a device for converting the signal input from the fuse box 200 of the vehicle, such as the battery voltage or the ground voltage according to whether the input of each signal to a battery voltage or an open state voltage. .
  • the on-vehicle electronic device has a voltage distribution action by a plurality of resistors having different resistance values without adding a separate signal line or connector in hardware in detecting the operation state or operation history of the vehicle.
  • Various operating state information of the vehicle may be detected and recorded using the above, and thus, the user may accurately grasp the operation history of the vehicle in case of an accident such as a later occurrence.
  • the electronic device for a vehicle according to the present embodiment may be implemented by simply adding a resistor and performing software processing without additionally installing an expensive separate analyzer.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

La présente invention concerne un dispositif électronique pour un véhicule, comprenant : un connecteur pour recevoir deux signaux d'informations de fonctionnement ou plus en provenance du véhicule de manière à émettre des signaux de différentes tensions en réponse aux signaux d'informations de fonctionnement respectifs ; une unité de détection de tension pour détecter une tension de signal de sortie d'une première extrémité de sortie du connecteur; et une unité de commande pour détecter des informations de fonctionnement du véhicule sur la base de la tension détectée par l'unité de détection de tension de manière à stocker les informations de fonctionnement détectées dans une unité de mémoire.
PCT/KR2014/007063 2014-04-30 2014-07-31 Dispositif électronique pour véhicule WO2015167075A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0052477 2014-04-30
KR1020140052477A KR102156019B1 (ko) 2014-04-30 2014-04-30 차량용 전자장치

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WO2015167075A1 true WO2015167075A1 (fr) 2015-11-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113766806A (zh) * 2021-08-19 2021-12-07 北京全路通信信号研究设计院集团有限公司 一种用于记录的黑匣子

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100307959B1 (ko) * 1998-09-30 2001-11-30 정주호 자동차고장검지를위한블랙박스장치및검지방법
KR20030050719A (ko) * 2001-12-19 2003-06-25 현대자동차주식회사 차량 정보 단말기의 입력 검출장치
KR100831924B1 (ko) * 2007-05-14 2008-05-23 유장호 차량 모니터링 장치 및 그 제어방법
JP2010139245A (ja) * 2008-12-09 2010-06-24 Nissan Motor Co Ltd 異常検出装置
KR101262101B1 (ko) * 2013-01-25 2013-05-14 주식회사 케이엘텔레시스 차량 상태 정보 모니터링 장치
KR20140030598A (ko) * 2012-09-03 2014-03-12 현대모비스 주식회사 스위칭 소자 고장 검출 장치 및 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100307959B1 (ko) * 1998-09-30 2001-11-30 정주호 자동차고장검지를위한블랙박스장치및검지방법
KR20030050719A (ko) * 2001-12-19 2003-06-25 현대자동차주식회사 차량 정보 단말기의 입력 검출장치
KR100831924B1 (ko) * 2007-05-14 2008-05-23 유장호 차량 모니터링 장치 및 그 제어방법
JP2010139245A (ja) * 2008-12-09 2010-06-24 Nissan Motor Co Ltd 異常検出装置
KR20140030598A (ko) * 2012-09-03 2014-03-12 현대모비스 주식회사 스위칭 소자 고장 검출 장치 및 방법
KR101262101B1 (ko) * 2013-01-25 2013-05-14 주식회사 케이엘텔레시스 차량 상태 정보 모니터링 장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113766806A (zh) * 2021-08-19 2021-12-07 北京全路通信信号研究设计院集团有限公司 一种用于记录的黑匣子
CN113766806B (zh) * 2021-08-19 2024-01-19 北京全路通信信号研究设计院集团有限公司 一种用于记录的黑匣子

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KR102156019B1 (ko) 2020-09-16
KR20150125795A (ko) 2015-11-10

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