WO2017034253A1 - Driving unit of electronic parking brake - Google Patents

Driving unit of electronic parking brake Download PDF

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Publication number
WO2017034253A1
WO2017034253A1 PCT/KR2016/009226 KR2016009226W WO2017034253A1 WO 2017034253 A1 WO2017034253 A1 WO 2017034253A1 KR 2016009226 W KR2016009226 W KR 2016009226W WO 2017034253 A1 WO2017034253 A1 WO 2017034253A1
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WO
WIPO (PCT)
Prior art keywords
actuator
housing
controller
cover
motor
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PCT/KR2016/009226
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French (fr)
Korean (ko)
Inventor
황세준
김태성
김의열
Original Assignee
이래오토모티브시스템 주식회사
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Publication of WO2017034253A1 publication Critical patent/WO2017034253A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes

Definitions

  • the present invention relates to a drive unit for driving an electronic parking brake of a vehicle.
  • a motor-on-caliper type is widely used as the electronic parking brake, and the caliper and the driving unit of the electronic parking brake are integrated.
  • the drive unit for driving the electronic parking brake includes a motor, and is provided with a dedicated controller for controlling the motor.
  • the controller of the electronic parking brake is mounted separately under the vehicle seat or in a space inside the vehicle. This requires a wire harness for connecting the controller and the drive unit and hassle to install the controller separately from the drive unit such as a motor. Further, the installation of a separate controller also reduces the degree of freedom of utilization of the interior space of the vehicle, there is a problem that additional assembly labor occurs when manufacturing the vehicle.
  • the technical problem of the present invention is to provide a drive unit of a parking brake that is easy to mount.
  • Another technical problem of the present invention is to provide a driving unit of a parking brake that can be compactized.
  • a drive unit for driving an electronic parking brake includes an actuator, a housing for accommodating the actuator, and a controller assembly for controlling the operation of the actuator and mounted to the housing.
  • the controller assembly includes a first circuit board and a second circuit board formed separately from each other, and a connector connecting the first and second circuit boards.
  • the first and second circuit boards may be disposed such that the actuators are spaced apart from each other in a mounting direction in which the actuators are mounted to the housing.
  • the actuator may be a motor, a motor driver for driving the motor may be mounted on the first circuit board, and a controller for controlling the operation of the motor may be mounted on the second circuit board.
  • the housing may include an actuator accommodating part accommodating the actuator, and an actuator cover fastened to the actuator accommodating part to cover an upper portion of the actuator inserted into the accommodating part.
  • the controller assembly may be disposed in a space between the actuator cover and a controller cover provided separately.
  • the controller assembly may be integrally molded with a controller cover, and the integrally formed controller assembly and the controller cover may be mounted to the housing.
  • the connector may include a connector pin and a connector housing fixing the connector pin and formed of a synthetic resin material, and the connector housing may be integrally formed with the controller cover by injection molding.
  • the controller assembly since the controller assembly includes the first and second circuit boards, not only the mounting is easy but also the compactness is possible.
  • FIG. 1 is a view for explaining a state that the driving unit of the electronic parking brake according to an embodiment of the present invention is applied to a vehicle.
  • FIG. 2 is an exploded perspective view of the driving unit of the electronic parking brake according to the embodiment of the present invention.
  • FIG 3 is a view showing a connector of the controller assembly of the drive unit of the electronic parking brake according to the embodiment of the present invention.
  • the driving unit 100 of the electronic parking brake according to the embodiment of the present invention may be installed in a wheel of a vehicle.
  • the drive unit 100 according to the embodiment of the present invention is formed in the controller assembly 110 is mounted to the housing 120 for receiving the actuator 130 (see FIG. 3), a plurality of drive units ( When the 100 and 101 are mounted, the controller assembly 110 may be provided only in one driving unit 100, and the controller assembly may be omitted in the remaining driving unit 101.
  • the driving units 100 and 101 may be fastened to the caliper brake 300 for brake operation. Meanwhile, a switch 200 for inputting an operation and release command of the electronic parking brake may be provided in the driver's seat.
  • the housing 120 is formed to accommodate the actuator 130.
  • the actuator 130 may be a motor, hereinafter referred to as a motor.
  • the housing 120 includes an actuator accommodating part 121 for accommodating the motor 130, and the motor 130 is inserted into an accommodating space provided in the actuator accommodating part 121.
  • the gear box 140 is connected to the output shaft of the motor 130 for adjusting the rotational speed may be provided.
  • the gear box 140 may include a gear box housing 141 and a plurality of gears. Since the gear box 140 itself is obvious in the art to which the present invention pertains, a detailed description thereof will be omitted.
  • the gear box cover 150 may be provided to cover the top of the gear box 140. That is, after the motor 130 is inserted into the actuator receiving portion 121 and the gear box 140 is mounted thereon, the gear box cover 150 is again installed thereon. On the other hand, the actuator cover 160 may be installed on the upper portion of the gear box cover 150 again.
  • the controller assembly 110 is mounted to the housing 120 when controlling the operation of the motor 130.
  • the controller assembly 110 may include various circuit elements for power supply and operation control for driving the motor 130.
  • the controller assembly 110 includes a first circuit board 111 and a second circuit board 113 formed separately from each other, and a connector 115 connecting the first and second circuit boards 111 and 113.
  • the connector 115 receives power and control signals from the outside and transfers them to the circuit elements mounted on the first and second circuit boards 111 and 113, and also the first and second circuit boards 111 and 113. It also serves to connect the circuit elements of each other. Meanwhile, the controller assembly 110 may be electrically connected to the motor 130 to perform power supply to the motor 130.
  • the first and second circuit boards 111 and 113 are separately formed and disposed to be spaced apart from each other. That is, in the embodiment of the present invention, the circuit elements constituting the controller assembly 110 are not disposed on a single circuit board, but are divided on the first and second circuit boards 111 and 113 disposed separately from each other. It is mounted.
  • the first and second circuit boards 111 and 113 may be arranged to overlap each other in a mounting direction in which the motor 130 is mounted on the housing 120.
  • the first and second circuit boards 111 and 113 may be divided and disposed according to the magnitude of the current used by the circuit elements constituting the controller assembly 110. That is, after dividing into a circuit element group using a relatively large current and a circuit element group using a relatively small current, each group may be divided and disposed on the first and second circuit boards (111, 113).
  • a motor driver formed of a circuit element for driving the motor 130 may be mounted on the first circuit board 111, and a second circuit board 113 may be used to control the operation of the motor 130.
  • a control unit consisting of a circuit element may be mounted.
  • the motor driver consists of a circuit element using a relatively large current and may include, for example, a motor driver IC.
  • the control unit may include a circuit element using a relatively small current, and may include, for example, a MICOM for control.
  • the first and second circuit boards 111 and 113 overlap.
  • the connector 115 may include a connector pin 116 and a connector housing 117 that fixes the connector pin 116 and is formed of an electrically conductive synthetic resin material.
  • the controller assembly 110 may be disposed in a space between the actuator cover 160 and the controller cover 170 that are fastened to the actuator receiving portion 121.
  • the controller assembly 110 may be integrally molded with the controller cover 170, and the controller assembly 110 and the controller cover 170 formed integrally are mounted on the housing 120.
  • the connector housing 117 and the controller cover 170 for fixing the connector pin 116 are formed of a synthetic resin material
  • the connector housing 117 and the controller cover 170 are formed by injection molding. It can be formed in the absence of. In this case, there is an advantage that the airtightness between the connector housing 117 and the controller cover 170 can be made perfectly.
  • the present invention relates to a drive unit for driving an electronic parking brake of a vehicle, which can be applied to a vehicle and thus has industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Regulating Braking Force (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

A driving unit for driving an electronic parking brake comprises: an actuator; a housing for accommodating the actuator; and a controller assembly controlling the operation of the actuator and mounted in the housing. The controller assembly comprises: a first circuit board and a second circuit board, which are formed separately from each other; and a connector for connecting the first and second circuit boards.

Description

전자 주차 브레이크의 구동 유닛Drive unit of electronic parking brake
본 발명은 차량의 전자 주차 브레이크를 구동하기 위한 구동 유닛에 관한 것이다.The present invention relates to a drive unit for driving an electronic parking brake of a vehicle.
최근 차량에 전자 주차 브레이크가 널리 사용되고 있다. 전자 주차 브레이크로 모터-온-캘리퍼(Motor-On-Caliper) 방식이 많이 사용되고 있는데, 이는 캘리퍼와 전자 주차 브레이크의 구동 유닛이 일체화된 형태를 갖는다.Recently, electronic parking brakes have been widely used in vehicles. A motor-on-caliper type is widely used as the electronic parking brake, and the caliper and the driving unit of the electronic parking brake are integrated.
전자 주차 브레이크를 구동하기 위한 구동 유닛은 모터를 포함하며, 이 모터를 제어하기 위한 전용 컨트롤러가 구비된다.The drive unit for driving the electronic parking brake includes a motor, and is provided with a dedicated controller for controlling the motor.
전자 주차 브레이크의 컨트롤러는 차량 좌석 하부 또는 차량 내부의 공간에 별도로 장착된다. 이로 인해 컨트롤러와 구동 유닛을 연결하기 위한 와이어 하니스가 필요하고 모터 등 구동 유닛과 별도로 컨트롤러가 별도로 장착되어야 하는 번거로움이 있다. 나아가 별도의 컨트롤러의 장착으로 인해 차량 내부 공간의 활용의 자유도도 떨어지며, 차량 제조 시에 추가로 조립 공수가 발생하는 문제가 있다.The controller of the electronic parking brake is mounted separately under the vehicle seat or in a space inside the vehicle. This requires a wire harness for connecting the controller and the drive unit and hassle to install the controller separately from the drive unit such as a motor. Further, the installation of a separate controller also reduces the degree of freedom of utilization of the interior space of the vehicle, there is a problem that additional assembly labor occurs when manufacturing the vehicle.
본 발명의 기술적 과제는 장착이 용이한 주차 브레이크의 구동 유닛을 제공하는 것이다.The technical problem of the present invention is to provide a drive unit of a parking brake that is easy to mount.
나아가 본 발명의 다른 기술적 과제는 컴팩트화가 가능한 주차 브레이크의 구동 유닛을 제공하는 것이다.Furthermore, another technical problem of the present invention is to provide a driving unit of a parking brake that can be compactized.
본 발명의 실시예에 따른 전자 주차 브레이크를 구동하기 위한 구동 유닛은, 액추에이터, 상기 액추에이터를 수용하는 하우징, 그리고 상기 액추에이터의 작동을 제어하며 상기 하우징에 장착되는 컨트롤러 어셈블리를 포함한다. 상기 컨트롤러 어셈블리는 서로 별도로 형성되는 제1 회로 기판 및 제2 회로 기판, 그리고 상기 제1 및 제2 회로 기판을 연결하는 커넥터를 포함한다.A drive unit for driving an electronic parking brake according to an embodiment of the present invention includes an actuator, a housing for accommodating the actuator, and a controller assembly for controlling the operation of the actuator and mounted to the housing. The controller assembly includes a first circuit board and a second circuit board formed separately from each other, and a connector connecting the first and second circuit boards.
상기 제1 및 제2 회로 기판은 상기 액추에이터가 상기 하우징에 장착되는 장착 방향으로 서로 이격된 상태로 중첩되도록 배치될 수 있다.The first and second circuit boards may be disposed such that the actuators are spaced apart from each other in a mounting direction in which the actuators are mounted to the housing.
상기 액추에이터는 모터일 수 있고, 상기 제1 회로 기판에는 상기 모터를 구동하기 위한 모터 구동부가 실장될 수 있으며, 상기 제2 회로 기판에는 상기 모터의 작동을 제어하기 위한 제어부가 실장될 수 있다.The actuator may be a motor, a motor driver for driving the motor may be mounted on the first circuit board, and a controller for controlling the operation of the motor may be mounted on the second circuit board.
상기 하우징은 상기 액추에이터를 수용하는 액추에이터 수용부, 그리고 상기 수용부에 삽입된 상기 액추에이터의 상부를 덮도록 상기 액추에이터 수용부에 체결되는 액추에이터 커버를 포함할 수 있다. 상기 컨트롤러 어셈블리는 상기 액추에이터 커버와 별도로 구비되는 컨트롤러 커버 사이의 공간에 배치될 수 있다.The housing may include an actuator accommodating part accommodating the actuator, and an actuator cover fastened to the actuator accommodating part to cover an upper portion of the actuator inserted into the accommodating part. The controller assembly may be disposed in a space between the actuator cover and a controller cover provided separately.
상기 컨트롤러 어셈블리는 컨트롤러 커버와 일체로 성형될 수 있고, 상기 일체로 형성된 컨트롤러 어셈블리와 상기 컨트롤러 커버는 상기 하우징에 장착될 수 있다.The controller assembly may be integrally molded with a controller cover, and the integrally formed controller assembly and the controller cover may be mounted to the housing.
상기 커넥터는 커넥터 핀, 그리고 상기 커넥터 핀을 고정하며 합성 수지 재질로 형성되는 커넥터 하우징을 포함할 수 있고, 상기 커넥터 하우징은 상기 컨트롤러 커버와 사출 성형에 의해 일체로 형성될 수 있다.The connector may include a connector pin and a connector housing fixing the connector pin and formed of a synthetic resin material, and the connector housing may be integrally formed with the controller cover by injection molding.
본 발명에 의하면, 컨트롤러 어셈블리가 제1 및 제2 회로 기판을 포함하기 때문에, 장착이 용이할 뿐만 아니라 컴팩트화가 가능해진다.According to the present invention, since the controller assembly includes the first and second circuit boards, not only the mounting is easy but also the compactness is possible.
도 1은 본 발명의 실시예에 따른 전자 주차 브레이크의 구동 유닛이 차량에 적용되는 상태를 설명하기 위한 도면이다.1 is a view for explaining a state that the driving unit of the electronic parking brake according to an embodiment of the present invention is applied to a vehicle.
도 2는 본 발명의 실시예에 따른 전자 주차 브레이크의 구동 유닛의 분해 사시도이다.2 is an exploded perspective view of the driving unit of the electronic parking brake according to the embodiment of the present invention.
도 3은 본 발명의 실시예에 따른 전자 주차 브레이크의 구동 유닛의 컨트롤러 어셈블리의 커넥터를 보여주는 도면이다.3 is a view showing a connector of the controller assembly of the drive unit of the electronic parking brake according to the embodiment of the present invention.
이하, 첨부한 도면을 참고로 하여 본 발명의 실시예를 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1을 참조하면, 본 발명의 실시예에 따른 전자 주차 브레이크의 구동 유닛(100)은 차량의 휠에 설치될 수 있다. 이때, 본 발명의 실시예에 따른 구동 유닛(100)은 컨트롤러 어셈블리(110)가 액추에이터(130)(도 3 참조)를 수용하는 하우징(120)에 장착되어 형성되나, 차량에 복수의 구동 유닛(100, 101)이 장착되는 경우에는 하나의 구동 유닛(100)에만 컨트롤러 어셈블리(110)가 구비되고 나머지 구동 유닛(101)에는 컨트롤러 어셈블리가 생략될 수 있다. 구동 유닛(100, 101)은 브레이크 작동을 위한 캘리퍼 브레이크(300)에 체결될 수 있다. 한편, 전자 주차 브레이크의 작동 및 해제 명령을 입력하기 위한 스위치(200)가 운전석에 구비될 수 있다.Referring to FIG. 1, the driving unit 100 of the electronic parking brake according to the embodiment of the present invention may be installed in a wheel of a vehicle. At this time, the drive unit 100 according to the embodiment of the present invention is formed in the controller assembly 110 is mounted to the housing 120 for receiving the actuator 130 (see FIG. 3), a plurality of drive units ( When the 100 and 101 are mounted, the controller assembly 110 may be provided only in one driving unit 100, and the controller assembly may be omitted in the remaining driving unit 101. The driving units 100 and 101 may be fastened to the caliper brake 300 for brake operation. Meanwhile, a switch 200 for inputting an operation and release command of the electronic parking brake may be provided in the driver's seat.
도 2를 참조하면, 하우징(120)은 액추에이터(130)를 수용할 수 있도록 형성된다. 이때, 액추에이터(130)는 모터일 수 있으며 이하에서 모터로 칭한다.Referring to FIG. 2, the housing 120 is formed to accommodate the actuator 130. In this case, the actuator 130 may be a motor, hereinafter referred to as a motor.
하우징(120)은 모터(130)를 수용하기 위한 액추에이터 수용부(121)를 구비하며, 모터(130)는 액추에이터 수용부(121)에 구비되는 수용 공간에 삽입된다.The housing 120 includes an actuator accommodating part 121 for accommodating the motor 130, and the motor 130 is inserted into an accommodating space provided in the actuator accommodating part 121.
한편, 모터(130)의 출력축에 연결되어 회전 속도를 조절하기 위한 기어 박스(140)가 구비될 수 있다. 기어 박스(140)는 기어 박스 하우징(141) 및 복수의 기어로 이루어질 수 있다. 이러한 기어 박스(140) 그 자체는 본 발명이 속하는 기술분야에서 자명한 사항이므로 이에 대한 상세한 설명은 생략한다.On the other hand, the gear box 140 is connected to the output shaft of the motor 130 for adjusting the rotational speed may be provided. The gear box 140 may include a gear box housing 141 and a plurality of gears. Since the gear box 140 itself is obvious in the art to which the present invention pertains, a detailed description thereof will be omitted.
그리고 기어 박스(140)의 상단을 덮는 기어 박스 커버(150)가 구비될 수 있다. 즉, 액추에이터 수용부(121)에 모터(130)가 삽입되고 그 위에 기어 박스(140)가 장착된 후, 다시 그 위에 기어 박스 커버(150)가 설치된다. 한편, 기어 박스 커버(150)의 상부에 다시 액추에이터 커버(160)가 설치될 수 있다.The gear box cover 150 may be provided to cover the top of the gear box 140. That is, after the motor 130 is inserted into the actuator receiving portion 121 and the gear box 140 is mounted thereon, the gear box cover 150 is again installed thereon. On the other hand, the actuator cover 160 may be installed on the upper portion of the gear box cover 150 again.
컨트롤러 어셈블리(110)는 모터(130)의 작동을 제어하면 하우징(120)에 장착된다. 컨트롤러 어셈블리(110)는 모터(130)의 구동을 위한 전원 공급 및 작동 제어를 위한 각종 회로 소자를 포함할 수 있다.The controller assembly 110 is mounted to the housing 120 when controlling the operation of the motor 130. The controller assembly 110 may include various circuit elements for power supply and operation control for driving the motor 130.
컨트롤러 어셈블리(110)는 서로 별도로 형성되는 제1 회로 기판(111)과 제2 회로 기판(113), 그리고 제1 및 제2 회로 기판(111, 113)을 연결하는 커넥터(115)를 포함한다. 커넥터(115)는 외부로부터 전원 및 제어 신호를 입력받아 제1 및 제2 회로 기판(111, 113)에 실장되는 회로 소자로 전달하는 역할을 하면 또한 제1 및 제2 회로 기판(111, 113)의 회로 소자를 서로 연결하는 역할도 한다. 한편, 컨트롤러 어셈블리(110)는 모터(130)로 전원 공급을 수행할 수 있도록 모터(130)에 전기적으로 연결될 수 있다.The controller assembly 110 includes a first circuit board 111 and a second circuit board 113 formed separately from each other, and a connector 115 connecting the first and second circuit boards 111 and 113. The connector 115 receives power and control signals from the outside and transfers them to the circuit elements mounted on the first and second circuit boards 111 and 113, and also the first and second circuit boards 111 and 113. It also serves to connect the circuit elements of each other. Meanwhile, the controller assembly 110 may be electrically connected to the motor 130 to perform power supply to the motor 130.
도 2에 도시된 바와 같이, 제1 및 제2 회로 기판(111, 113)은 별도로 형성되며 서로 이격되는 상태로 배치된다. 즉, 본 발명의 실시예에서는 컨트롤러 어셈블리(110)를 구성하는 회로 소자가 단일의 회로 기판 상에 배치되는 것이 아니라, 서로 별도로 배치되는 제1 및 제2 회로 기판(111, 113) 상에 분할되어 실장된다.As shown in FIG. 2, the first and second circuit boards 111 and 113 are separately formed and disposed to be spaced apart from each other. That is, in the embodiment of the present invention, the circuit elements constituting the controller assembly 110 are not disposed on a single circuit board, but are divided on the first and second circuit boards 111 and 113 disposed separately from each other. It is mounted.
이때, 도 2를 참조하면, 제1 및 제2 회로 기판(111, 113)은 모터(130)가 하우징(120)에 장착되는 장착 방향으로 서로 이격된 상태로 중첩되도록 배치될 수 있다.In this case, referring to FIG. 2, the first and second circuit boards 111 and 113 may be arranged to overlap each other in a mounting direction in which the motor 130 is mounted on the housing 120.
한편, 본 발명의 실시예에 따르면, 컨트롤러 어셈블리(110)를 구성하는 회로 소자들의 사용 전류의 크기에 따라 제1 및 제2 회로 기판(111, 113)에 분할하여 배치할 수 있다. 즉, 상대적으로 큰 전류를 사용하는 회로 소자 그룹과 상대적으로 작은 전류를 사용하는 회로 소자 그룹으로 나눈 후 각 그룹을 제1 및 제2 회로 기판(111, 113)에 분할하여 배치할 수 있다. 예를 들어, 제1 회로 기판(111)에는 모터(130)를 구동하기 위한 회로 소자로 이루어지는 모터 구동부가 실장될 수 있고, 제2 회로 기판(113)에는 모터(130)의 작동을 제어하기 위한 회로 소자로 이루어지는 제어부가 실장될 수 있다. 모터 구동부는 상대적으로 큰 전류를 사용하는 회로 소자로 이루어지며 예를 들어 모터 드라이버 IC를 포함할 수 있다. 그리고 제어부는 상대적으로 작은 전류를 사용하는 회로 소자로 이루어지며 예를 들어 제어를 위한 마이콤(MICOM)을 포함할 수 있다.Meanwhile, according to the exemplary embodiment of the present invention, the first and second circuit boards 111 and 113 may be divided and disposed according to the magnitude of the current used by the circuit elements constituting the controller assembly 110. That is, after dividing into a circuit element group using a relatively large current and a circuit element group using a relatively small current, each group may be divided and disposed on the first and second circuit boards (111, 113). For example, a motor driver formed of a circuit element for driving the motor 130 may be mounted on the first circuit board 111, and a second circuit board 113 may be used to control the operation of the motor 130. A control unit consisting of a circuit element may be mounted. The motor driver consists of a circuit element using a relatively large current and may include, for example, a motor driver IC. The control unit may include a circuit element using a relatively small current, and may include, for example, a MICOM for control.
이와 같이 컨트롤러 어셈블리(110)를 구성하는 회로 소자를 적층 구조로 배치되는 제1 및 제2 회로 기판(111, 113)에 분할하여 배치함으로써, 제1 및 제2 회로 기판(111, 113)이 중첩되도록 배치됨으로써 회로 기판의 결과적인 면적 감소가 가능해지고 그에 따라 구동 유닛의 컴팩트화가 가능하다.Thus, by dividing the circuit elements constituting the controller assembly 110 into the first and second circuit boards 111 and 113 arranged in a stacked structure, the first and second circuit boards 111 and 113 overlap. By being arranged as such, it is possible to reduce the resultant area of the circuit board and thus to compact the drive unit.
한편, 도 3을 참조하면, 커넥터(115)는 커넥터 핀(116), 그리고 커넥터 핀(116)을 고정하며 전기 전열성의 합성 수지 재질로 형성되는 커넥터 하우징(117)을 포함할 수 있다.Meanwhile, referring to FIG. 3, the connector 115 may include a connector pin 116 and a connector housing 117 that fixes the connector pin 116 and is formed of an electrically conductive synthetic resin material.
도 2를 참조하면, 컨트롤러 어셈블리(110)는 액추에이터 수용부(121)에 체결되는 액추에이터 커버(160)와 컨트롤러 커버(170) 사이의 공간에 배치될 수 있다.Referring to FIG. 2, the controller assembly 110 may be disposed in a space between the actuator cover 160 and the controller cover 170 that are fastened to the actuator receiving portion 121.
한편, 본 발명의 다른 실시예에서는, 컨트롤러 어셈블리(110)가 컨트롤러 커버(170)와 일체로 성형될 수 있고, 일체로 형성된 컨트롤러 어셈블리(110)와 컨트롤러 커버(170)가 하우징(120)에 장착될 수 있다. 예를 들어, 커넥터 핀(116)을 고정하는 커넥터 하우징(117)과 컨트롤러 커버(170)가 모두 합성 수지 재질로 형성되는 경우, 커넥터 하우징(117)과 컨트롤러 커버(170)가 사출 성형에 의해 단일의 부재로 형성될 수 있다. 이 경우 커넥터 하우징(117)과 컨트롤러 커버(170) 사이의 기밀이 완벽하게 이루어질 수 있는 장점이 있다.Meanwhile, in another embodiment of the present invention, the controller assembly 110 may be integrally molded with the controller cover 170, and the controller assembly 110 and the controller cover 170 formed integrally are mounted on the housing 120. Can be. For example, when both the connector housing 117 and the controller cover 170 for fixing the connector pin 116 are formed of a synthetic resin material, the connector housing 117 and the controller cover 170 are formed by injection molding. It can be formed in the absence of. In this case, there is an advantage that the airtightness between the connector housing 117 and the controller cover 170 can be made perfectly.
이상에서 본 발명의 바람직한 실시예에 대하여 상세하게 설명하였지만 본 발명의 권리범위는 이에 한정되는 것은 아니고 다음의 청구범위에서 정의하고 있는 본 발명의 기본 개념을 이용한 당업자의 여러 변형 및 개량 형태 또한 본 발명의 권리범위에 속하는 것이다.Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.
본 발명은 차량의 전자 주차 브레이크를 구동하기 위한 구동 유닛에 관한 것으로 차량에 적용될 수 있어 산업상 이용가능성이 있다.The present invention relates to a drive unit for driving an electronic parking brake of a vehicle, which can be applied to a vehicle and thus has industrial applicability.

Claims (6)

  1. 전자 주차 브레이크를 구동하기 위한 구동 유닛으로서,A drive unit for driving an electronic parking brake,
    액추에이터,Actuator,
    상기 액추에이터를 수용하는 하우징, 그리고A housing for receiving the actuator, and
    상기 액추에이터의 작동을 제어하며 상기 하우징에 장착되는 컨트롤러 어셈블리를 포함하며,A controller assembly controlling the operation of the actuator and mounted to the housing,
    상기 컨트롤러 어셈블리는The controller assembly
    서로 별도로 형성되는 제1 회로 기판 및 제2 회로 기판, 그리고A first circuit board and a second circuit board formed separately from each other, and
    상기 제1 및 제2 회로 기판을 연결하는 커넥터를 포함하는 구동 유닛.And a connector connecting the first and second circuit boards.
  2. 제1항에서,In claim 1,
    상기 제1 및 제2 회로 기판은 상기 액추에이터가 상기 하우징에 장착되는 장착 방향으로 서로 이격된 상태로 중첩되도록 배치되는 구동 유닛.And the first and second circuit boards are disposed such that the actuators are spaced apart from each other in a mounting direction mounted to the housing.
  3. 제1항 또는 제2항에서,The method of claim 1 or 2,
    상기 액추에이터는 모터이고,The actuator is a motor,
    상기 제1 회로 기판에는 상기 모터를 구동하기 위한 모터 구동부가 실장되고,The motor driving unit for driving the motor is mounted on the first circuit board,
    상기 제2 회로 기판에는 상기 모터의 작동을 제어하기 위한 제어부가 실장되는 구동 유닛.And a control unit for controlling the operation of the motor on the second circuit board.
  4. 제1항에서,In claim 1,
    상기 하우징은 상기 액추에이터를 수용하는 액추에이터 수용부, 그리고 상기 수용부에 삽입된 상기 액추에이터의 상부를 덮도록 상기 액추에이터 수용부에 체결되는 액추에이터 커버를 포함하고,The housing includes an actuator accommodating portion accommodating the actuator, and an actuator cover fastened to the actuator accommodating portion to cover an upper portion of the actuator inserted into the accommodating portion.
    상기 컨트롤러 어셈블리는 상기 액추에이터 커버와 별도로 구비되는 컨트롤러 커버 사이의 공간에 배치되는 구동 유닛.The controller assembly is disposed in the space between the actuator cover and the controller cover provided separately.
  5. 제1항에서,In claim 1,
    상기 컨트롤러 어셈블리는 컨트롤러 커버와 일체로 성형되고,The controller assembly is molded integrally with the controller cover,
    상기 일체로 형성된 컨트롤러 어셈블리와 상기 컨트롤러 커버는 상기 하우징에 장착되는 구동 유닛.The integrally formed controller assembly and the controller cover are mounted to the housing.
  6. 제5항에서,In claim 5,
    상기 커넥터는 커넥터 핀, 그리고 상기 커넥터 핀을 고정하며 합성 수지 재질로 형성되는 커넥터 하우징을 포함하고,The connector includes a connector pin and a connector housing which fixes the connector pin and is formed of a synthetic resin material.
    상기 커넥터 하우징은 상기 컨트롤러 커버와 사출 성형에 의해 일체로 형성되는 구동 유닛.And the connector housing is integrally formed with the controller cover by injection molding.
PCT/KR2016/009226 2015-08-26 2016-08-22 Driving unit of electronic parking brake WO2017034253A1 (en)

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KR1020150120339A KR101650448B1 (en) 2015-08-26 2015-08-26 Actuating unit for electric parking brake

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JPH07257341A (en) * 1994-03-23 1995-10-09 Sumitomo Electric Ind Ltd Liquid pressure unit integrated type electronic control unit of anti-lock brake system
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WO2019185890A1 (en) * 2018-03-30 2019-10-03 Haldex Vie (Shanghai) Electromechanical Brake System Co., Ltd. Electro mechanical brake and electrical actuator thereof

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