KR20110138786A - Input voltage control method and apparatus for the same method, and automotive electronic control apparatus - Google Patents

Abstract

PURPOSE: An input voltage control method, an apparatus thereof and an ECU(electric control unit) for a vehicle are provided to use the ECU regardless of the vehicle power structure by converting the input voltage offered according to each vehicle power structure into an operating voltage for the ECU. CONSTITUTION: An ECU(300) for a vehicle comprises an electric controller(310) and an input voltage controller(320). The electric controller is operated an operating voltage and the vehicle control function is proceed. The input voltage controller boosts or decreases the input voltage as the operating voltage of the electric controller. The input voltage controller supplies the input voltage to the electric controller. The input voltage controller confirms the operating voltage of the electric controller.

Description

INPUT VOLTAGE CONTROL METHOD AND APPARATUS FOR THE SAME METHOD, AND AUTOMOTIVE ELECTRONIC CONTROL APPARATUS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle electronic control technology, and more particularly, to an input voltage control method and device for converting an input voltage according to a vehicle power structure into an operating voltage required by an electronic control device, and a conventional vehicle for a vehicle power structure. Compared to an electronic controller, the present invention relates to a vehicle electronic controller that is not related to a vehicle power structure.

Nowadays, a vehicle may be equipped with several types of control systems and various types of devices, and these types of control systems and devices require different operating voltages.

Since different types of control systems and devices require different operating voltages, different control voltages must be supplied to each control system and each device, or electronic control devices for different types of control systems and devices are separately provided. It must be designed.

In this background, an object of the present invention is to provide an electronic control apparatus for a vehicle that is independent of the vehicle power structure, compared to a conventional vehicle electronic control apparatus that depends on the vehicle power structure.

Another object of the present invention is to provide a vehicle power supply device or a power conversion device capable of supplying different voltages for an electronic control device for a vehicle requiring different vehicle power structures.

Another object of the present invention is to provide a method and apparatus for converting an input voltage according to a vehicle power structure into an operating voltage required by an electronic controller.

In order to achieve the above object, in one aspect, the present invention, the electronic control unit for performing a vehicle control function by operating at a unique operating voltage; And an input voltage controller configured to boost or reduce an input voltage to the operating voltage of the electronic controller.

In another aspect, the present invention, an electronic control device for performing a vehicle control function by operating at a unique operating voltage; And an input voltage control device for boosting or depressing an input voltage to the operating voltage of the electronic control device.

In another aspect, the present invention, the electronic control device mounted on the vehicle, an information storage unit for storing the operating voltage information for each electronic control device; A voltage input unit configured to receive an input voltage; A voltage converter configured to increase or decrease the input voltage to a specific operating voltage of a specific electronic controller based on the operating voltage information for each electronic controller; And a voltage output unit configured to output the specific operating voltage to the specific electronic control device.

In another aspect, the present invention, for the electronic control device mounted on a vehicle, storing the operating voltage information for each electronic control device; Receiving an input voltage; Boosting or depressurizing the input voltage to a specific operating voltage of a specific electronic control apparatus based on the operating voltage information for each electronic control apparatus; And outputting the specific operating voltage to the specific electronic control apparatus.

As described above, according to the present invention, there is an effect of providing an electronic control apparatus for a vehicle that is independent of the vehicle power structure, compared to a conventional vehicle electronic control apparatus that is dependent on the vehicle power structure.

In addition, according to the present invention, there is an effect that it is not necessary to further provide a power supply device or a power conversion device of a vehicle capable of supplying different voltages for an electronic control device for a vehicle requiring different vehicle power structures.

In addition, according to the present invention, there is an effect of providing a method and apparatus for converting an input voltage according to the vehicle power structure into an operating voltage required by the electronic control apparatus.

1 is a block diagram of an electronic control system for a vehicle according to an embodiment of the present invention.
2 is a block diagram of a case in which a vehicle electronic control system according to an embodiment of the present invention includes a plurality of electronic control devices.
3 is a block diagram of an electronic control apparatus for a vehicle according to an embodiment of the present invention.
4 is a block diagram of a case in which an electronic control apparatus for a vehicle according to an embodiment of the present invention includes a plurality of electronic control units.
5 is a block diagram of an input voltage control apparatus according to an embodiment of the present invention.
6 is a block diagram of a voltage converter included in an input voltage control device according to an embodiment of the present invention.
7 is a flowchart illustrating an input voltage control method according to an embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible even though they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In addition, in describing the component of this invention, terms, such as 1st, 2nd, A, B, (a), (b), can be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms. If a component is described as being "connected", "coupled" or "connected" to another component, that component may be directly connected to or connected to that other component, but there may be another configuration between each component. It is to be understood that the elements may be "connected", "coupled" or "connected".

1 is a block diagram of a vehicle electronic control system 100 according to an embodiment of the present invention.

As shown in FIG. 1, an electronic control system for a vehicle 100 according to an embodiment of the present invention includes an electronic control device 130 that performs a vehicle control function by operating at a unique operating voltage, and a power supply device ( And an input voltage controller 120 for boosting or reducing the input voltage from the 110 to the operating voltage of the electronic controller 130.

Nowadays, a vehicle may be equipped with several types of control systems and various types of devices, and these types of control systems and devices require different operating voltages. Since different types of control systems and devices require different operating voltages, different control voltages must be supplied to each control system and each device, or electronic control devices for different types of control systems and devices are separately provided. It must be designed.

However, when the electronic control system for a vehicle 100 according to an embodiment of the present invention is used, the input voltage control device 120 may convert the input voltage to the electronic device even if an input voltage of any size is supplied from the power supply device 110. By converting into the operation voltage required by the control device 130 and supplying it to the electronic control device 130, the electronic control device 130, regardless of the size of the input voltage supplied by the power supply device 110 in the vehicle itself This desired operating voltage can be supplied. Therefore, there is an advantage that the design and development of the electronic control device 130 can be made independently of the power system of the vehicle.

In FIG. 1, it is illustrated that there is only one electronic control device supplied with the input voltage converted by the input voltage control device 120, but in some cases, the input voltage control device 120 is converted into a plurality of electronic control devices. It can also supply the input voltage. This situation is shown in FIG.

2 is a block diagram of a case in which the electronic control system for a vehicle 100 according to an embodiment of the present invention includes a plurality of electronic control devices.

FIG. 2 is a block diagram for an electronic control system for a vehicle 100 further comprising two electronic control devices 131 and 312 operating at the same or different operating voltage, compared to FIG. 1 including one electronic control device 130. It is also.

In the case shown in FIG. 2, the input voltage control device 120 receives identification information on a device to be supplied by boosting or depressurizing the input voltage received from the power supply device 110, and then, from the power supply device 110. The device to be supplied by boosting or depressing the input voltage is determined as the electronic controller 130, which is one of the plurality of electronic controllers 130, 131, and 312, and checks the unique operating voltage of the electronic controller 130. It may be supplied to the electronic control device 130 by increasing or reducing the pressure to a unique operating voltage.

Each of the electronic control devices 130, 131, and 132 in the electronic control system for a vehicle 100 according to an embodiment of the present invention shown in FIGS. 1 and 2 may be an electronic control device for one or more of various control systems and devices in the vehicle. It may be the same as a conventional electronic control unit (ECU).

Here, various control systems and devices in the vehicle include chassis control systems such as EPS, EMB, and ESC, air conditioning control devices such as HVAC, multimedia devices such as audio and navigation, and chairman control such as windows and wipers. It may be a device, etc., and may require different operating voltages, such as a 12V vehicle power system, a 42V vehicle power system, or a 200V to 300V power system (used in an electric vehicle).

As described above, according to the present invention, a vehicle power supply device or a power conversion device capable of supplying different voltages may be further provided for the vehicle electronic control device 130 requiring different vehicle power structures. It works.

3 is a block diagram of a vehicle electronic control apparatus 300 according to an embodiment of the present invention.

As shown in FIG. 3, the vehicle electronic control apparatus 300 according to the exemplary embodiment of the present invention includes an input voltage controller 310, unlike the electronic control apparatuses 130, 131, and 132 illustrated in FIGS. 1 and 2. In view of this, it is an electronic control apparatus having an input voltage control function.

3, the vehicle electronic control apparatus 300 according to an embodiment of the present invention, from the electronic control unit 310 and the power supply device 30 to perform a vehicle control function by operating at a unique operating voltage And an input voltage controller 320 for boosting or reducing the input input voltage to the operating voltage of the electronic controller 310.

Nowadays, a vehicle may be equipped with several types of control systems and various types of devices, and these types of control systems and devices require different operating voltages. Conventional electronic control devices for each of the various types of control systems and devices require different operating voltages and therefore require a power supply to supply input voltages of different magnitudes, or the same supply from the power supply. Several devices were needed to convert input voltages of different sizes into different sizes.

However, the electronic control device 300 for a vehicle according to an embodiment of the present invention, regardless of the size of the input voltage supplied to the power system of the vehicle, regardless of the input voltage is input as it is and converted to the desired size In that it can operate for vehicle control, there is an advantage that there is no conversion device for changing the power supply device 30 of the vehicle or conversion of the input voltage.

In FIG. 3, one electronic controller receives the input voltage converted by the input voltage controller 310, but in some cases, the input voltage controller 310 may convert the input voltages converted into the plurality of electronic controllers. You can also supply. This situation is shown in FIG.

4 is a block diagram of a case in which the electronic control apparatus for a vehicle 300 according to an embodiment of the present invention includes a plurality of electronic control units.

4 is a block diagram of a vehicle electronic control apparatus 300 further including two electronic controllers 321 and 322 which operate at the same or different operating voltages, compared to FIG. 3 including one electronic controller 320. .

In the case shown in FIG. 4, the input voltage control device 120 receives identification information on a device to be supplied by boosting or depressurizing the input voltage received from the power supply device 110, and from the power supply device 30. The device to be supplied by boosting or depressing the input voltage is determined as the electronic controller 320, which is one of the plurality of electronic controllers 320, 321, and 322, and the unique operating voltage of the determined electronic controller 320 is checked, and the input voltage is unique. The voltage may be increased or reduced at one operating voltage and supplied to the electronic controller 320.

3 and 4 may be an electronic control apparatus for one or more of various control systems and devices in a vehicle.

Here, various control systems and devices in the vehicle include chassis control systems such as EPS, EMB, and ESC, air conditioning control devices such as HVAC, multimedia devices such as audio and navigation, and chairman control such as windows and wipers. It may be a device, etc., and may require different operating voltages, such as a 12V vehicle power system, a 42V vehicle power system, or a 200V to 300V power system (used in an electric vehicle).

As described above, according to the present invention, there is an effect of providing the vehicle electronic control device 300 independent of the vehicle power structure, compared to the conventional vehicle electronic control device dependent on the vehicle power structure.

5 is a block diagram of the input voltage control apparatus 500 according to an embodiment of the present invention.

As shown in FIG. 5, the input voltage control device 500 according to an embodiment of the present invention includes an information storage unit 540 for storing operation voltage information for each electronic control device for an electronic control device mounted in a vehicle. And a voltage conversion unit configured to increase or decrease an input voltage to a specific operating voltage of a specific electronic controller based on the voltage input unit 510 receiving the input voltage, and operating voltage information for each of the electronic controllers of the at least one electronic controller. The unit 520 and a voltage output unit 530 for outputting a specific operating voltage whose input voltage is boosted or reduced to a specific electronic controller.

The above-described voltage converter 520 may use various conversion schemes to convert the input voltage into a specific operating voltage of the specific electronic controller. A converter switch method among these various conversion methods will be described with reference to FIG. 6.

6 is a block diagram of the voltage converter 520 included in the input voltage control apparatus 500 according to an embodiment of the present invention.

6 is a voltage converter 520 for converting an input voltage into a specific operating voltage of a specific electronic control apparatus using a converter switch method among various conversion methods for converting an input voltage into a specific operating voltage of a specific electronic control apparatus. Is a block diagram for.

As illustrated in FIG. 6, the voltage converter 520 may include a plurality of converters having different voltage conversion ratios or winding ratios (in the example of FIG. 6, the first converter 610, the second converter 620, The third converter 630, etc.) and two switches for selecting a converter having a desired voltage conversion ratio or a desired winding ratio among the plurality of converters 6101 620 and 630 (in the example of FIG. 6, the first switch 601). , The second switch 602), and the like.

In addition, as illustrated in FIG. 6, the voltage converter 520 may allow the two switches 601 and 602 to select a converter having a desired voltage conversion ratio or a desired turns ratio among the plurality of converters 6101 620 and 630. It further includes a controller 640 for controlling.

The controller 640 described above causes the two switches 601 and 602 to operate on one of the plurality of converters 6101 620 and 630 with reference to operating voltage information for each electronic control device stored in the information storage unit 540. Control to select.

Referring to the example of FIG. 6, a voltage conversion method will be described on the assumption that the input voltage input to the voltage input unit 510 should be supplied to a specific electronic control apparatus having a specific operating voltage.

Referring to FIG. 6, the voltage converter 520 may determine a specific operating voltage of a specific electronic control device from operating voltage information for each electronic control device stored in the information storage unit 540 using identification information of the specific electronic control device. In order to search and convert the input voltage into the searched specific operating voltage, the ratio of the specific operating voltage to the input voltage (that is, voltage) among the first converter 610, the second converter 620, and the third converter 630. The first switch 601 and the second switch 602 to select a converter having a voltage conversion ratio or a winding ratio corresponding to the conversion ratio = specific operating voltage / input voltage (in FIG. 6, the first converter 610). ).

According to the switch control, both ends of the first switch 601 to which the input voltage V1 received by the voltage input unit 510 is applied are both ends IN1 and IN1 of the input side (primary circuit) of the first converter 610. ', And both ends of the second switch 602 connected to the voltage output unit 530 are connected to both ends (OUT1, OUT1') of the output side (secondary circuit) of the first converter 610.

Accordingly, by the first converter 610, the input voltage V1 is converted (stepped up or reduced) to the specific operating voltage V2 of the specific electronic control apparatus, and transferred to the voltage output unit 530.

7 is a flowchart illustrating an input voltage control method provided by an input voltage control apparatus 500 according to an exemplary embodiment of the present invention.

Referring to FIG. 7, in the input voltage control method according to an exemplary embodiment of the present disclosure, a step of storing operating voltage information for each electronic control device for an electronic control device mounted in a vehicle (S700) and inputting an input voltage Receiving step (S702), the step of increasing or reducing the input voltage to a specific operating voltage of the specific electronic control device based on the operating voltage information for each electronic control device (S704), and outputs the specific operating voltage to the specific electronic control device And step S706.

In the above description, all elements constituting the embodiments of the present invention are described as being combined or operating in combination, but the present invention is not necessarily limited to the embodiments. In other words, within the scope of the present invention, all of the components may be selectively operated in combination with one or more. In addition, although all of the components may be implemented in one independent hardware, each or all of the components may be selectively combined to perform some or all functions combined in one or a plurality of hardware. It may be implemented as a computer program having a. Codes and code segments constituting the computer program may be easily inferred by those skilled in the art. Such a computer program may be stored in a computer readable storage medium and read and executed by a computer, thereby implementing embodiments of the present invention. The storage medium of the computer program may include a magnetic recording medium, an optical recording medium, a carrier wave medium, and the like.

In addition, the terms "comprise", "comprise" or "having" described above mean that the corresponding component may be included, unless otherwise stated, and thus excludes other components. It should be construed that it may further include other components instead. All terms, including technical and scientific terms, have the same meanings as commonly understood by one of ordinary skill in the art unless otherwise defined. Terms commonly used, such as terms defined in a dictionary, should be interpreted to coincide with the contextual meaning of the related art, and shall not be construed in an ideal or excessively formal sense unless explicitly defined in the present invention.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims (4)

An electronic control unit operating at a unique operating voltage to perform a vehicle control function; And
And an input voltage controller configured to boost or reduce an input voltage to the operating voltage of the electronic controller. The method of claim 1,
The input voltage control unit,
The electronic controller determines a device to be supplied by boosting or depressurizing the input voltage received from a power supply, confirming the unique operating voltage of the electronic controller, and boosting or reducing the input voltage to the unique operating voltage. The electronic control device for a vehicle, characterized in that for supplying to the electronic control unit. An electronic storage device mounted on a vehicle, the information storage unit for storing the operating voltage information for each electronic control device;
A voltage input unit configured to receive an input voltage;
A voltage converter configured to increase or decrease the input voltage to a specific operating voltage of a specific electronic controller based on the operating voltage information for each electronic controller; And
And a voltage output unit configured to output the specific operating voltage to the specific electronic control device. Storing operation voltage information for each electronic control apparatus, for the electronic control apparatus mounted in the vehicle;
Receiving an input voltage;
Boosting or depressurizing the input voltage to a specific operating voltage of a specific electronic control apparatus based on the operating voltage information for each electronic control apparatus; And
And outputting the specific operating voltage to the specific electronic control apparatus.

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