KR20210019651A - Heat management system of vehicle - Google Patents

Heat management system of vehicle Download PDF

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Publication number
KR20210019651A
KR20210019651A KR1020190098511A KR20190098511A KR20210019651A KR 20210019651 A KR20210019651 A KR 20210019651A KR 1020190098511 A KR1020190098511 A KR 1020190098511A KR 20190098511 A KR20190098511 A KR 20190098511A KR 20210019651 A KR20210019651 A KR 20210019651A
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South Korea
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cooling water
battery
circulation line
coolant
vehicle
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KR1020190098511A
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Korean (ko)
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KR102617031B1 (en
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김두훈
안경주
이진재
한중만
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한온시스템 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2221—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating an intermediate liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
    • B60H1/143—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
    • B60H2001/224—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters automatic operation, e.g. control circuits or methods

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

The present invention relates to a heat management system for a vehicle. A purpose of the present invention is to heat the interior of a vehicle and preheat a battery through one single electric heater module structure, while enabling the heating of the interior of the vehicle and the preheating of the battery without causing mutual temperature interference and an influence, thereby preventing the overheating of the battery by an influence from the heating of the interior of the vehicle. To achieve the purpose, the heat management system for a vehicle, including a refrigerant circulation line generating heat or chill in a flowing direction of a refrigerant, and a heater core-side coolant circulation line heating the interior of a vehicle by delivering the heat of the refrigerant generated from the refrigerant circulation line to a heater core, also includes: a battery-side coolant circulation line circulating coolant to the battery; and a dual coolant electric heater module independently heating the coolant of the heater core-side coolant circulation line and the coolant of the battery-side coolant circulation line, thereby enabling the heating of the interior of the vehicle through the coolant of the heater core-side coolant circulation line and the preheating of the battery through the coolant of the battery-side coolant circulation line to be independently performed.

Description

차량의 열관리 시스템{HEAT MANAGEMENT SYSTEM OF VEHICLE}Vehicle heat management system {HEAT MANAGEMENT SYSTEM OF VEHICLE}

본 발명은 차량의 열관리 시스템에 관한 것으로서, 보다 상세하게는, 하나의 전기히터모듈 구조로 차실내를 난방하고 배터리를 예열하되, 상호간의 온도 간섭과 영향없이 차실내 난방과 배터리 예열이 가능하여, 차실내 난방의 영향에 의한 배터리의 과열을 방지할 수 있는 차량의 열관리 시스템에 관한 것이다.The present invention relates to a thermal management system for a vehicle, and more particularly, heating the vehicle interior with a single electric heater module structure and preheating the battery, but heating and battery preheating in the vehicle interior are possible without mutual temperature interference and influence, It relates to a vehicle thermal management system capable of preventing overheating of a battery due to the influence of heating in a vehicle interior.

하이브리드(Hybrid) 차량, 전기 차량 등은(이하, "차량"이라 통칭함), 전기모터와, 각종 전기장치들과, 고용량 배터리를 갖추고 있다.Hybrid vehicles, electric vehicles, and the like (hereinafter, collectively referred to as "vehicle") are equipped with electric motors, various electric devices, and high-capacity batteries.

특히, 배터리는 충전식으로서, 차량의 전기모터와 각종 전기장치에 전기를 제공한다. 따라서, 차량의 주행을 가능하게 한다.In particular, batteries are rechargeable and provide electricity to electric motors and various electric devices of vehicles. Thus, it enables the vehicle to run.

한편, 이러한 배터리는, 온도의 영향을 많이 받는다. 특히, 겨울철과 같이 외기의 온도가 낮을 경우에는, 배터리의 온도가 낮아져 충전 및 방전 효율이 떨어지고, 배터리의 용량과 출력이 감소되어 차량의 주행성능과 주행거리가 현저하게 저하되며, 심할 경우 시동이 곤란한 문제가 발생한다.On the other hand, such a battery is greatly affected by temperature. In particular, when the temperature of the outside air is low, such as in winter, the temperature of the battery decreases and the charging and discharging efficiency decreases, and the capacity and output of the battery decrease, which significantly reduces the driving performance and mileage of the vehicle. A difficult problem arises.

따라서, 배터리의 충전과 방전 효율 저하와, 배터리의 용량과 출력 저하를 방지하기 위해서 배터리의 온도를 일정온도 이상으로 예열하는 것이 중요하며, 이를 위해 차량은, 도 1에 도시된 바와 같이, 배터리 예열장치(10)를 갖추고 있다.Therefore, it is important to preheat the temperature of the battery to a certain temperature or higher in order to prevent a decrease in the charging and discharging efficiency of the battery and a decrease in the capacity and output of the battery. To this end, as shown in FIG. Equipped with device 10.

배터리 예열장치(10)는, 공조장치(20)의 냉매를 이용하는 것으로, 공조장치(20)의 히터코어(22)로 유입되는 히터코어측 냉각수순환라인(30)의 고온 냉각수를 바이패스하는 바이패스밸브(12)와, 바이패스 밸브(12)에서 바이패스된 고온 냉각수를 배터리(40)에 순환시킨 후, 다시 히터코어측 냉각수순환라인(30)으로 리턴시키는 바이패스 라인(14)을 포함한다.The battery preheating device 10 uses the refrigerant of the air conditioner 20, and bypasses the high-temperature cooling water of the heater core side cooling water circulation line 30 flowing into the heater core 22 of the air conditioner 20. Includes a pass valve 12 and a bypass line 14 for circulating the high-temperature coolant bypassed by the bypass valve 12 to the battery 40 and returning it to the heater core side coolant circulation line 30 do.

이러한 배터리 예열장치(10)는, 공조장치(20)의 히터코어(22)로 유입되는 히터코어측 냉각수순환라인(30)의 고온 냉각수를 바이패스한 다음, 이를 배터리(40)로 순환시킴으로써, 상기 배터리(40)를 예열한다.This battery preheating device 10 bypasses the high-temperature cooling water of the heater core side cooling water circulation line 30 flowing into the heater core 22 of the air conditioner 20, and then circulates it to the battery 40, The battery 40 is preheated.

따라서, 배터리(40)가 일정온도를 유지할 수 있게 한다. 이로써, 겨울철, 낮은 외기온도에도 불구하고, 배터리의 충전과 방전, 용량과 출력이 일정한 성능을 유지할 수 있게 한다.Accordingly, the battery 40 can maintain a constant temperature. As a result, in winter, despite the low outside temperature, charging and discharging, capacity and output of the battery can maintain a constant performance.

여기서, 공조장치(20)는, 히트펌프식(Heat Pump Type)으로서, 냉매순환라인(24)과 히터코어측 냉각수순환라인(30)을 구비한다.Here, the air conditioner 20 is a heat pump type and includes a refrigerant circulation line 24 and a cooling water circulation line 30 on the heater core side.

특히, 히터코어측 냉각수순환라인(30)은, 냉매순환라인(24)의 냉매 열을 전달받는 수냉식 열교환기(32)와, 인가되는 전기에 의해 냉각수를 가열하는 PTC 히터(34) 및, 수냉식 열교환기(32)와 PTC 히터(34)와 히터코어(22) 사이에서 냉각수를 순환시키는 워터펌프(36)를 포함한다.In particular, the heater core-side cooling water circulation line 30 includes a water-cooled heat exchanger 32 receiving refrigerant heat from the refrigerant circulation line 24, a PTC heater 34 that heats the cooling water by applied electricity, and a water-cooled type. It includes a water pump 36 for circulating cooling water between the heat exchanger 32 and the PTC heater 34 and the heater core 22.

워터펌프(36)는, 냉매순환라인(24)의 냉매 열을 전달받은 수냉식 열교환기(32)측 냉각수와, PTC 히터(34)에 의해 가열된 냉각수 중, 적어도 어느 하나를 히터코어(22)에 순환시킨다. 따라서, 상기 히터코어(22)가 냉각수 열을 차실내로 방출하면서 차실내를 난방할 수 있게 한다.The water pump 36 includes at least one of the cooling water on the side of the water-cooled heat exchanger 32 receiving the refrigerant heat from the refrigerant circulation line 24 and the cooling water heated by the PTC heater 34 to the heater core 22. Cycle to Accordingly, the heater core 22 can heat the vehicle interior while discharging the coolant heat into the vehicle interior.

그런데, 이러한 종래의 배터리 예열장치(10)는, 히터코어측 냉각수순환라인(30)의 고온 냉각수를 직접 바이패스하여 배터리(40)를 직접 예열하는 구조이므로, 배터리(40)의 예열이 과도할 수 있다는 단점이 있다.However, the conventional battery preheating device 10 has a structure in which the battery 40 is directly preheated by directly bypassing the high-temperature cooling water of the cooling water circulation line 30 on the heater core side, so that the preheating of the battery 40 is excessive. There is a drawback of being able to.

특히, 히터코어측 냉각수순환라인(30)의 냉각수 온도가 높을 경우, 이를 이용한 배터리(40)의 예열이 과도할 수 있는데, 이러한 경우, 배터리(40)가 오히려 과열된다는 단점이 있으며, 이러한 단점 때문에 배터리(40)의 성능이 저하되고, 배터리(40)의 수명이 단축되거나 손상된다는 문제점이 있다.In particular, when the cooling water temperature of the cooling water circulation line 30 on the heater core side is high, preheating of the battery 40 using the same may be excessive, and in this case, there is a disadvantage that the battery 40 is rather overheated. There is a problem that the performance of the battery 40 is deteriorated, and the life of the battery 40 is shortened or damaged.

또한, 종래의 배터리 예열장치(10)는, 배터리(40)의 온도를 감안하지 않고, 히터코어측 냉각수순환라인(30)의 고온 냉각수를 무조건 바이패스하여 배터리(40)를 예열하는 구조이므로, 고온의 냉각수를 이용한 배터리(40)의 예열이 과도할 수 있다는 단점이 있다.In addition, since the conventional battery preheating device 10 has a structure that preheats the battery 40 by unconditionally bypassing the high-temperature cooling water of the cooling water circulation line 30 on the heater core side, without taking into account the temperature of the battery 40, There is a disadvantage in that preheating of the battery 40 using high-temperature cooling water may be excessive.

그리고 이러한 단점 때문에 배터리(40)가 오히려 과열되어 배터리(40)의 성능이 저하되고, 수명이 단축되거나 손상된다는 문제점이 있다.Further, due to this disadvantage, there is a problem that the battery 40 is rather overheated, so that the performance of the battery 40 is degraded, and the lifespan is shortened or damaged.

본 발명은 상기와 같은 종래의 문제점을 해결하기 위해 안출된 것으로서, 그 목적은, 배터리의 예열 구조를 개선함으로써, 배터리가 과도하게 예열되는 것을 방지할 수 있는 차량용 열관리 시스템을 제공하는데 있다.The present invention has been conceived to solve the conventional problems as described above, and an object thereof is to provide a vehicle thermal management system capable of preventing excessive preheating of a battery by improving a preheating structure of a battery.

본 발명의 다른 목적은, 배터리가 과도하게 예열되는 것을 방지할 수 있도록 구성함으로써, 배터리의 과도한 예열로 인한 배터리의 과열과, 그로 인한 배터리의 성능저하와, 손상 및 수명 단축 현상을 방지할 수 있는 차량용 열관리 시스템을 제공하는데 있다.Another object of the present invention is to prevent excessive preheating of the battery, thereby preventing overheating of the battery due to excessive preheating of the battery, deterioration of battery performance, damage, and shortening of lifespan. It is to provide a thermal management system for vehicles.

본 발명의 또 다른 목적은, 필요에 따라 배터리의 예열 정도를 가변제어할 수 있도록 구성함으로써, 배터리가 과도하게 예열되는 것을 방지할 수 있고, 이를 통해, 배터리의 과도한 예열로 인한 배터리의 과열과, 그로 인한 배터리의 성능저하와, 손상 및 수명 단축 현상을 방지할 수 있는 차량용 열관리 시스템을 제공하는데 있다. Another object of the present invention is to prevent the battery from being excessively preheated by configuring it to variably control the preheating degree of the battery as necessary, and through this, overheating of the battery due to excessive preheating of the battery, and It is to provide a thermal management system for vehicles that can prevent the performance degradation, damage and shortening of the lifespan of the battery.

이러한 목적을 달성하기 위하여, 본 발명에 따른 차량의 열관리 시스템은, 냉매의 흐름 방향에 따라 열기 또는 냉기를 발생시키는 냉매순환라인과, 상기 냉매순환라인에서 발생된 냉매의 열을 히터코어에 전달하여 차실내를 난방하는 히터코어측 냉각수순환라인을 포함하는 차량의 열관리 시스템에 있어서, 냉각수를 배터리에 순환시키는 배터리측 냉각수순환라인과; 상기 히터코어측 냉각수순환라인의 냉각수와 상기 배터리측 냉각수순환라인의 냉각수를 각각 독립적으로 가열하여, 상기 히터코어측 냉각수순환라인의 냉각수를 통한 차실내 난방과, 상기 배터리측 냉각수순환라인의 냉각수를 통한 배터리의 예열이 각각 독립적으로 이루어질 수 있게 하는 듀얼 냉각수 전기히터모듈을 더 포함하는 것을 특징으로 한다.In order to achieve this object, the vehicle thermal management system according to the present invention provides a refrigerant circulation line generating hot or cold air according to the flow direction of the refrigerant, and transfers heat of the refrigerant generated in the refrigerant circulation line to a heater core. A vehicle thermal management system including a heater core side coolant circulation line for heating an interior of a vehicle, comprising: a battery side coolant circulation line for circulating coolant to a battery; The cooling water of the cooling water circulation line of the heater core side and the cooling water of the cooling water circulation line of the battery side are each independently heated to heat the interior of the vehicle through the cooling water of the cooling water circulation line of the heater core and the cooling water of the cooling water circulation line of the battery side. It characterized in that it further comprises a dual coolant electric heater module that enables each of the batteries to be preheated independently.

바람직하게는, 상기 듀얼 냉각수 전기히터모듈은, 상기 히터코어측 냉각수순환라인의 냉각수가 통과하는 제 1냉각수유로와; 상기 배터리측 냉각수순환라인의 냉각수가 통과하는 제 2냉각수유로와; 상기 제 1냉각수유로와 제 2냉각수유로에 각각 대응되게 설치되며, 상기 제 1냉각수유로와 제 2냉각수유로를 통과하는 상기 히터코어측 냉각수순환라인의 냉각수와 상기 배터리측 냉각수순환라인의 냉각수를 각각 개별적으로 가열하는 제 1 및 제 2전기히터를 포함하는 것을 특징으로 한다.Preferably, the dual coolant electric heater module includes: a first coolant passage through which coolant of the coolant circulation line on the heater core side passes; A second cooling water passage through which the cooling water of the battery-side cooling water circulation line passes; The cooling water of the cooling water circulation line on the heater core side and the cooling water of the cooling water circulation line on the battery side are respectively installed to correspond to the first cooling water passage and the second cooling water passage, respectively. It characterized in that it comprises a first and second electric heaters for heating separately.

그리고 상기 듀얼 냉각수 전기히터모듈의 제 2냉각수유로와 상기 배터리 사이에서 냉각수를 순환시켜, 상기 제 2전기히터에 의해 가열된 상기 제 2냉각수유로의 냉각수를 상기 배터리에 도입시키는 워터펌프를 포함하는 것을 특징으로 한다.And a water pump for circulating coolant between the second cooling water passage of the dual coolant electric heater module and the battery, and introducing the coolant of the second cooling water passage heated by the second electric heater into the battery. It is characterized.

그리고 상기 배터리의 온도에 따라 상기 듀얼 냉각수 전기히터모듈의 제 2전기히터와 상기 배터리측 냉각수순환라인의 워터펌프 중 적어도 어느 하나를 제어하는 제어부를 더 포함하는 것을 특징으로 한다.And a controller configured to control at least one of a second electric heater of the dual coolant electric heater module and a water pump of the coolant circulation line on the battery side according to the temperature of the battery.

그리고 상기 제어부는, 상기 배터리의 온도가, 미리 설정된 기준온도를 초과할 시에 상기 듀얼 냉각수 전기히터모듈의 제 2전기히터와 상기 배터리측 냉각수순환라인의 워터펌프 중 적어도 어느 하나를 오프(OFF)시키는 것을 특징으로 한다. And when the temperature of the battery exceeds a preset reference temperature, the control unit turns off at least one of the second electric heater of the dual cooling water electric heater module and the water pump of the cooling water circulation line on the battery side. It is characterized by letting.

본 발명에 따른 차량의 열관리 시스템에 의하면, 히터코어측 냉각수순환라인의 냉각수에 종속되지 않고 배터리측 냉각수순환라인의 냉각수 온도를 독립적으로 가열하는 구조이므로, 히터코어측 냉각수순환라인의 냉각수 열을 전달받아 배터리를 예열하는 종래의 구조와 달리, 히터코어측 냉각수순환라인의 냉각수 온도에 종속되지 않고 배터리를 예열온도를 가변 제어할 수 있는 효과가 있다.According to the vehicle thermal management system according to the present invention, the cooling water temperature of the cooling water circulation line on the battery side is independently heated without being dependent on the cooling water of the cooling water circulation line on the heater core side. Unlike a conventional structure in which the battery is received and preheated, there is an effect that the preheating temperature of the battery can be variably controlled without being dependent on the cooling water temperature of the cooling water circulation line on the heater core side.

또한, 히터코어측 냉각수순환라인의 냉각수 온도에 종속되지 않고 배터리를 예열온도를 가변 제어할 수 있는 구조이므로, 배터리의 과열 우려를 원천적으로 방지할 수 있고, 이로써, 배터리의 과열로 인한 배터리의 성능저하와, 손상 및 수명 단축 현상을 미연에 방지할 수 있는 효과가 있다.In addition, since the preheating temperature of the battery can be variably controlled without being dependent on the cooling water temperature of the cooling water circulation line on the heater core side, the risk of overheating of the battery can be fundamentally prevented, and thus the performance of the battery due to overheating of the battery. There is an effect of preventing deterioration, damage and shortening of life.

또한, 배터리의 온도에 따라 배터리측 냉각수순환라인의 냉각수 온도를 조절하거나 또는 배터리로 순환되는 냉각수의 유량을 제어할 수 있는 구조이므로, 냉각수 온도로 인한 배터리의 과도한 예열과, 그로 인한 배터리의 과열을 원천적으로 방지할 수 있는 효과가 있다.In addition, since it is a structure that can control the cooling water temperature of the cooling water circulation line on the battery side or the flow rate of the cooling water circulating to the battery according to the temperature of the battery, excessive preheating of the battery due to the cooling water temperature and the resulting overheating of the battery are prevented. There is an effect that can be prevented from the source.

또한, 배터리의 과열을 원천적으로 방지할 수 있으므로, 배터리의 과열로 인한 배터리의 성능저하와, 손상 및 수명 단축 현상을 방지할 수 있는 효과가 있다.In addition, since overheating of the battery can be prevented at the source, there is an effect of preventing performance degradation, damage, and shortening of lifespan of the battery due to overheating of the battery.

도 1은 종래의 차량의 열관리 시스템을 상세하게 나타내는 도면,
도 2는 본 발명에 따른 차량의 열관리 시스템을 상세하게 나타내는 도면,
도 3은 본 발명에 따른 차량의 열관리 시스템의 작동예를 나타내는 작동도로서, 배터리를 예열하는 모습을 나타내는 도면이다.1 is a view showing in detail a thermal management system of a conventional vehicle;
2 is a view showing in detail the thermal management system of a vehicle according to the present invention;
3 is an operation diagram showing an operation example of a vehicle thermal management system according to the present invention, and is a view showing a state of preheating a battery.

이하, 본 발명에 따른 차량의 열관리 시스템의 바람직한 실시예를 첨부한 도면에 의거하여 상세히 설명한다(종래와 동일한 구성요소는 동일한 부호를 사용하여 설명한다).Hereinafter, a preferred embodiment of a vehicle thermal management system according to the present invention will be described in detail with reference to the accompanying drawings (same components as in the prior art will be described with the same reference numerals).

먼저, 본 발명에 따른 차량 열관리 시스템의 특징부를 살펴보기에 앞서, 도 2를 참조하여 차실내를 냉,난방하기 위한 공조장치(20)에 대해 간략하게 설명한다.First, before looking at the features of the vehicle thermal management system according to the present invention, with reference to FIG. 2, an air conditioning apparatus 20 for cooling and heating the interior of the vehicle will be briefly described.

공조장치(20)는, 히트펌프식으로서, 냉매순환라인(24)과 히터코어측 냉각수순환라인(30)을 구비한다.The air conditioner 20 is of a heat pump type and includes a refrigerant circulation line 24 and a cooling water circulation line 30 on the heater core side.

특히, 히터코어측 냉각수순환라인(30)은, 냉매순환라인(24)의 압축기(24a)측에서 발생된 냉매열을 히터코어(22)에 전달하는 것으로, 냉매순환라인(24)의 냉매 열을 전달받는 수냉식 열교환기(32)와, 상기 수냉식 열교환기(32)와 히터코어(22) 사이에서 냉각수를 순환시키는 워터펌프(36)를 포함한다.In particular, the cooling water circulation line 30 of the heater core side transfers the refrigerant heat generated from the compressor 24a side of the refrigerant circulation line 24 to the heater core 22, and the refrigerant heat of the refrigerant circulation line 24 And a water-cooled heat exchanger 32 receiving the transmission, and a water pump 36 for circulating cooling water between the water-cooled heat exchanger 32 and the heater core 22.

이러한 히터코어측 냉각수순환라인(30)은, 냉매순환라인(24)의 압축기(24a)측에서 발생된 냉매열을, 냉각수를 통해 전달받고, 냉매열을 전달받은 고온의 냉각수를 히터코어(22)에 순환시킨다. 따라서, 상기 히터코어(22)가 냉각수 열을 차실내로 방출하여, 차실내를 난방할 수 있게 한다.The heater core-side cooling water circulation line 30 receives refrigerant heat generated from the compressor 24a side of the refrigerant circulation line 24 through the cooling water, and transfers the high-temperature cooling water received from the refrigerant heat to the heater core 22 ) To cycle. Accordingly, the heater core 22 discharges coolant heat into the vehicle interior, thereby allowing the interior of the vehicle to be heated.

다음으로, 본 발명에 따른 차량 열관리 시스템의 특징부를 도 2와 도 3을 참조하여 상세하게 설명한다.Next, features of the vehicle thermal management system according to the present invention will be described in detail with reference to FIGS. 2 and 3.

먼저, 도 2를 참조하면, 본 발명의 열관리 시스템은, 배터리(40)의 예열을 위한 배터리측 냉각수순환라인(50)을 포함한다.First, referring to FIG. 2, the thermal management system of the present invention includes a battery-side cooling water circulation line 50 for preheating the battery 40.

배터리측 냉각수순환라인(50)은, 배터리(40)와 전장 부품모듈(42)에 냉각수를 순환시키는 것으로, 워터펌프(52)를 갖추고 있다.The battery-side coolant circulation line 50 circulates coolant to the battery 40 and the electrical component module 42 and includes a water pump 52.

여기서, 배터리측 냉각수순환라인(50)은, 배터리(40)와 전장 부품모듈(42)의 냉각을 위해 설치된 기존의 배터리 냉각장치(60)용 배터리측 냉각수순환라인(50)을 이용하는 것이 좋다.Here, the battery-side cooling water circulation line 50 is preferably a battery-side cooling water circulation line 50 for an existing battery cooling device 60 installed for cooling the battery 40 and the electrical component module 42.

참고로, 배터리 냉각장치(60)는, 공조장치(20)의 냉매를 이용하는 것으로, 공조장치(20)의 냉매를 바이패스하는 바이패스유로(62)와, 바이패스유로(62)의 냉매를 팽창,감압시키는 팽창밸브(64)와, 감압,팽창된 냉매를 통해 냉기를 발생시키는 수냉식 열교환기(66)와, 수냉식 열교환기(66)에서 발생된 냉기를 상기 배터리(40)와 전장 부품모듈(42)측에 전달하는 상기 배터리측 냉각수순환라인(50)을 포함한다.For reference, the battery cooling device 60 uses the refrigerant of the air conditioner 20, and uses a bypass flow path 62 for bypassing the refrigerant of the air conditioner 20 and the refrigerant of the bypass flow path 62. The expansion valve 64 for expanding and depressurizing, a water-cooled heat exchanger 66 for generating cool air through the depressurized and expanded refrigerant, and the cold air generated from the water-cooled heat exchanger 66 are aired by the battery 40 and the electrical component module. It includes the battery-side cooling water circulation line 50 that is delivered to the (42) side.

특히, 수냉식 열교환기(66)는, 냉매순환라인(24)의 냉매와 배터리측 냉각수순환라인(50)의 냉각수를 상호 열교환시키는 것으로, 냉매순환라인(24)에서 발생된 냉기를 배터리측 냉각수순환라인(50)의 냉각수에 전달한다.In particular, the water-cooled heat exchanger 66 exchanges heat between the refrigerant in the refrigerant circulation line 24 and the coolant in the battery-side cooling water circulation line 50, and circulates the cool air generated in the refrigerant circulation line 24 with the battery-side cooling water. It is delivered to the coolant in line 50.

따라서, 냉매순환라인(24)의 냉기를 전달받은 배터리측 냉각수순환라인(50)의 냉각수가, 배터리(40)와 전장 부품모듈(42)로 순환되면서 상기 배터리(40)와 전장 부품모듈(42)을 냉각시킬 수 있게 한다.Accordingly, the coolant of the battery-side cooling water circulation line 50, which has received cold air from the refrigerant circulation line 24, is circulated to the battery 40 and the electrical component module 42, and the battery 40 and the electrical component module 42 ) To cool.

다시, 도 2를 참조하면, 본 발명의 열관리 시스템은, 히터코어측 냉각수순환라인(30)의 냉각수와 배터리측 냉각수순환라인(50)의 냉각수를 하나의 모듈(Module)로 가열할 수 있는 듀얼 냉각수 전기히터모듈(70)을 포함한다.Again, referring to Figure 2, the thermal management system of the present invention, the cooling water of the cooling water circulation line 30 on the heater core side and the cooling water of the cooling water circulation line 50 on the battery side can be heated by a single module. It includes a cooling water electric heater module (70).

듀얼 냉각수 전기히터모듈(70)은, 하나의 몸체로 이루어지는 것으로, 히터코어측 냉각수순환라인(30)의 냉각수가 통과하는 제 1냉각수유로(70a)와, 배터리측 냉각수순환라인(50)의 냉각수가 통과하는 제 2냉각수유로(70b) 및, 상기 제 1냉각수유로(70a)와 제 2냉각수유로(70b)에 각각 대응되게 설치되는 제 1전기히터(72)와 제 2전기히터(74)를 포함한다.The dual cooling water electric heater module 70 is composed of one body, and the first cooling water passage 70a through which the cooling water of the cooling water circulation line 30 on the heater core side passes, and the cooling water of the battery cooling water circulation line 50 The first electric heater 72 and the second electric heater 74 respectively installed to correspond to the second cooling water passage 70b through which is passed, and the first cooling water passage 70a and the second cooling water passage 70b. Include.

특히, 제 1 및 제 2전기히터(72, 74)는, 제 1냉각수유로(70a)와 제 2냉각수유로(70b)를 통과하는 히터코어측 냉각수순환라인(30)의 냉각수와 배터리측 냉각수순환라인(50)의 냉각수를 각각 개별적으로 가열하는 역할을 한다.In particular, the first and second electric heaters 72 and 74 circulate the cooling water of the cooling water circulation line 30 on the heater core side passing through the first cooling water passage 70a and the second cooling water passage 70b and the cooling water on the battery side. It serves to individually heat the cooling water of the line 50.

따라서, 히터코어측 냉각수순환라인(30)의 냉각수와 배터리측 냉각수순환라인(50)의 냉각수가 각각 독립적으로 가열되면서 도 3에 도시된 바와 같이, 히터코어(22)와 배터리(40)측으로 각각 도입될 수 있게 한다.Accordingly, the cooling water of the cooling water circulation line 30 on the heater core side and the cooling water of the cooling water circulation line 50 on the battery side are heated independently, respectively, as shown in FIG. 3, toward the heater core 22 and the battery 40, respectively. To be introduced.

그 결과, 히터코어측 냉각수순환라인(30)의 냉각수는, 수냉식 열교환기(32)를 통해 전달받은 냉매순환라인(24)의 냉매열을 보충하여 차실내를 난방한다. 그리고 배터리측 냉각수순환라인(50)의 냉각수는, 배터리(40)의 내부유로를 순환하면서 상기 배터리(40)를 예열한다.As a result, the cooling water of the cooling water circulation line 30 on the heater core side supplements the refrigerant heat of the refrigerant circulation line 24 received through the water-cooled heat exchanger 32 to heat the vehicle interior. In addition, the cooling water of the battery-side cooling water circulation line 50 preheats the battery 40 while circulating the internal flow path of the battery 40.

이러한 듀얼 냉각수 전기히터모듈(70)에 의하면, 히터코어측 냉각수순환라인(30)의 냉각수와 배터리측 냉각수순환라인(50)의 냉각수를 각각 개별적으로 가열하는 구조이므로, 배터리측 냉각수순환라인(50)의 냉각수 온도를 가변 제어할 수 있다.According to the dual cooling water electric heater module 70, since the cooling water of the cooling water circulation line 30 on the heater core side and the cooling water of the battery cooling water circulation line 50 are individually heated, the battery cooling water circulation line 50 ) Coolant temperature can be controlled variable.

특히, 히터코어측 냉각수순환라인(30)의 냉각수에 종속되지 않고 배터리측 냉각수순환라인(50)의 냉각수 온도를 독립적으로 가변 제어할 수 있다.In particular, the cooling water temperature of the battery-side cooling water circulation line 50 can be independently variably controlled without being dependent on the cooling water of the heater core-side cooling water circulation line 30.

따라서, 히터코어측 냉각수순환라인(30)의 냉각수 열을 전달받아 배터리(40)를 예열하는 종래의 구조와 달리, 히터코어측 냉각수순환라인(30)의 냉각수 온도에 종속되지 않고 배터리(40)를 예열온도를 가변 제어할 수 있다.Therefore, unlike the conventional structure in which the battery 40 is preheated by receiving the cooling water heat of the cooling water circulation line 30 on the heater core side, the battery 40 is not dependent on the cooling water temperature of the cooling water circulation line 30 on the heater core side. The preheating temperature can be variably controlled.

그 결과, 히터코어측 냉각수순환라인(30)의 고온 냉각수를 통한 종래의 배터리(40)를 예열 구조와 달리, 배터리(40)의 과열 우려를 원천적으로 방지할 수 있다. 이로써, 배터리(40)의 과열로 인한 배터리의 성능저하와, 손상 및 수명 단축 현상을 미연에 방지할 수 있게 된다.As a result, unlike the conventional preheating structure of the battery 40 through the high-temperature cooling water of the cooling water circulation line 30 on the heater core side, the fear of overheating of the battery 40 can be fundamentally prevented. As a result, it is possible to prevent deterioration of the battery performance due to overheating of the battery 40, damage, and shortening of life.

다시, 도 2를 참조하면, 본 발명의 열관리 시스템은, 제어부(80)를 더 포함한다.Again, referring to FIG. 2, the thermal management system of the present invention further includes a control unit 80.

제어부(80)는, 마이크로 프로세서를 갖추고 있는 것으로, 배터리온도 감지센서(82)로부터 입력된 배터리(40)의 온도에 따라 듀얼 냉각수 전기히터모듈(70)의 제 2전기히터(74)와 배터리측 냉각수순환라인(50)의 워터펌프(52) 중 적어도 어느 하나를 제어하도록 구성된다.The controller 80 is equipped with a microprocessor, and according to the temperature of the battery 40 input from the battery temperature sensor 82, the second electric heater 74 and the battery side of the dual coolant electric heater module 70 It is configured to control at least one of the water pumps 52 of the cooling water circulation line 50.

특히, 제어부(80)는, 배터리온도 감지센서(82)로부터 입력된 배터리(40)의 온도가, 미리 설정된 기준온도를 초과할 시에, 예를 들면, 40℃를 초과할 시에, 듀얼 냉각수 전기히터모듈(70)의 제 2전기히터(74)와 배터리측 냉각수순환라인(50)의 워터펌프(52) 중 적어도 어느 하나를 오프(OFF)시키도록 구성된다.In particular, when the temperature of the battery 40 input from the battery temperature detection sensor 82 exceeds a preset reference temperature, for example, when it exceeds 40 ℃, dual cooling water It is configured to turn off at least one of the second electric heater 74 of the electric heater module 70 and the water pump 52 of the cooling water circulation line 50 on the battery side.

따라서, 배터리측 냉각수순환라인(50)의 냉각수가 과도하게 가열되는 것을 방지하거나, 또는 과도한 온도의 냉각수가 배터리(40)에 순환되는 것을 방지한다. 이로써, 과도한 온도의 냉각수로 인한 배터리(40)의 과도한 예열과, 그로 인한 배터리(40)의 과열을 미연에 방지한다.Accordingly, the cooling water of the battery-side cooling water circulation line 50 is prevented from being excessively heated, or the cooling water of an excessive temperature is prevented from being circulated in the battery 40. As a result, excessive preheating of the battery 40 due to excessive cooling water and overheating of the battery 40 due to the excessive temperature are prevented in advance.

여기서, 제어부(80)는, 배터리온도 감지센서(82)에서 입력된 배터리(40)의 온도가 기준온도 이하로 저하될 시에는, 오프된 듀얼 냉각수 전기히터모듈(70)의 제 2전기히터(74)와 배터리측 냉각수순환라인(50)의 워터펌프(52)를 다시 온(ON)시키도록 구성된다. 따라서, 배터리(40)의 예열이 재개될 수 있도록 구성된다.Here, the control unit 80, when the temperature of the battery 40 input from the battery temperature detection sensor 82 falls below the reference temperature, the second electric heater of the dual coolant electric heater module 70 ( 74) and the water pump 52 of the cooling water circulation line 50 on the battery side are turned on again. Accordingly, the preheating of the battery 40 is configured to be resumed.

한편, 제어부(80)는, 배터리온도 감지센서(82)로부터 입력된 배터리 온도에 비례하여 듀얼 냉각수 전기히터모듈(70)의 제 2전기히터(74) 인가전압과 배터리측 냉각수순환라인(50)의 워터펌프(52) 회전속도 중 적어도 어느 하나를 능동적으로 가변제어할 수도 있다.On the other hand, the control unit 80, in proportion to the battery temperature input from the battery temperature detection sensor 82, the second electric heater 74 applied voltage of the dual coolant electric heater module 70 and the battery side coolant circulation line 50 At least one of the rotational speed of the water pump 52 may be actively variably controlled.

이와 같은 구조를 갖는 본 발명의 열관리 시스템에 의하면, 히터코어측 냉각수순환라인(30)의 냉각수에 종속되지 않고 배터리측 냉각수순환라인(50)의 냉각수 온도를 독립적으로 가열하는 구조이므로, 히터코어측 냉각수순환라인(30)의 냉각수 열을 전달받아 배터리(40)를 예열하는 종래의 구조와 달리, 히터코어측 냉각수순환라인(30)의 냉각수 온도에 종속되지 않고 배터리(40)를 예열온도를 가변 제어할 수 있다.According to the thermal management system of the present invention having such a structure, since the cooling water temperature of the cooling water circulation line 50 on the battery side is independently heated without being dependent on the cooling water of the cooling water circulation line 30 on the heater core side, the heater core side Unlike the conventional structure in which the battery 40 is preheated by receiving the cooling water heat from the cooling water circulation line 30, the battery 40 is not dependent on the cooling water temperature of the cooling water circulation line 30 on the heater core side, and the preheating temperature of the battery 40 is changed. Can be controlled.

또한, 히터코어측 냉각수순환라인(30)의 냉각수 온도에 종속되지 않고 배터리(40)를 예열온도를 가변 제어할 수 있는 구조이므로, 배터리(40)의 과열 우려를 원천적으로 방지할 수 있고, 이로써, 배터리(40)의 과열로 인한 배터리의 성능저하와, 손상 및 수명 단축 현상을 미연에 방지할 수 있다.In addition, since it is a structure capable of variably controlling the preheating temperature of the battery 40 without being dependent on the cooling water temperature of the cooling water circulation line 30 on the heater core side, it is possible to fundamentally prevent the fear of overheating of the battery 40, thereby , Deterioration of battery performance, damage, and shortening of life due to overheating of the battery 40 can be prevented in advance.

또한, 배터리(40)의 온도에 따라 배터리측 냉각수순환라인(50)의 냉각수 온도를 조절하거나 또는 배터리(40)로 순환되는 냉각수의 유량을 제어할 수 있는 구조이므로, 냉각수 온도로 인한 배터리(40)의 과도한 예열과, 그로 인한 배터리(40)의 과열을 원천적으로 방지할 수 있다.In addition, since the temperature of the cooling water in the battery-side cooling water circulation line 50 can be adjusted according to the temperature of the battery 40 or the flow rate of the cooling water circulated to the battery 40 can be controlled, the battery 40 ) And overheating of the battery 40 due to it can be prevented.

또한, 배터리(40)의 과열을 원천적으로 방지할 수 있으므로, 배터리의 과열로 인한 배터리의 성능저하와, 손상 및 수명 단축 현상을 방지할 수 있다.In addition, since overheating of the battery 40 can be prevented at the source, degradation of the battery performance, damage, and shortening of the lifespan of the battery due to overheating of the battery can be prevented.

이상에서는 본 발명의 바람직한 실시예를 예시적으로 설명하였으나, 본 발명의 범위는 이와 같은 특정 실시예에만 한정되는 것은 아니며, 특허청구범위에 기재된 범주내에서 적절하게 변경 가능한 것이다.In the above, preferred embodiments of the present invention have been exemplarily described, but the scope of the present invention is not limited to such specific embodiments, and can be appropriately changed within the scope described in the claims.

20: 공조장치 22: 히터코어(Heater Core)
24: 냉매순환라인(Line) 24a: 압축기
30: 히터코어측 냉각수순환라인 32: 수냉식 열교환기
40: 배터리(Battery) 42: 전장 부품모듈(Module)
50: 배터리측 냉각수순환라인 52: 워터펌프(Water Pump)
60: 배터리 냉각장치 62: 바이패스유로
64: 팽창밸브(Valve) 66: 수냉식 열교환기
70: 제어부 70a: 제 1냉각수유로
70b: 제 2냉각수유로 72: 제 1전기히터(Heater)
74: 제 2전기히터 80: 제어부
82: 배터리온도 감지센서(Sensor)20: air conditioner 22: heater core
24: refrigerant circulation line 24a: compressor
30: heater core side cooling water circulation line 32: water cooling heat exchanger
40: battery 42: electronic component module
50: battery-side cooling water circulation line 52: water pump
60: battery cooler 62: bypass flow
64: expansion valve 66: water-cooled heat exchanger
70: control unit 70a: first cooling water passage
70b: 2nd cooling water channel 72: 1st electric heater
74: second electric heater 80: control unit
82: battery temperature sensor (Sensor)

Claims (7)

냉매의 흐름 방향에 따라 열기 또는 냉기를 발생시키는 냉매순환라인과, 상기 냉매순환라인에서 발생된 냉매의 열을 히터코어에 전달하여 차실내를 난방하는 히터코어측 냉각수순환라인을 포함하는 차량의 열관리 시스템에 있어서,
냉각수를 배터리에 순환시키는 배터리측 냉각수순환라인과;
상기 히터코어측 냉각수순환라인의 냉각수와 상기 배터리측 냉각수순환라인의 냉각수를 각각 독립적으로 가열하여, 상기 히터코어측 냉각수순환라인의 냉각수를 통한 차실내 난방과, 상기 배터리측 냉각수순환라인의 냉각수를 통한 배터리의 예열이 각각 독립적으로 이루어질 수 있게 하는 듀얼 냉각수 전기히터모듈을 더 포함하는 것을 특징으로 하는 차량의 열관리 시스템.Thermal management of a vehicle including a refrigerant circulation line generating hot or cold air according to the flow direction of the refrigerant, and a cooling water circulation line on the heater core side that heats the interior of the vehicle by transferring heat of the refrigerant generated in the refrigerant circulation line to the heater core In the system,
A battery-side cooling water circulation line for circulating cooling water to the battery;
The cooling water of the cooling water circulation line of the heater core side and the cooling water of the cooling water circulation line of the battery side are each independently heated to heat the interior of the vehicle through the cooling water of the cooling water circulation line of the heater core and the cooling water of the cooling water circulation line of the battery side. Thermal management system for a vehicle, characterized in that it further comprises a dual coolant electric heater module that enables each of the batteries to be preheated independently. 제 1항에 있어서,
상기 듀얼 냉각수 전기히터모듈은,
상기 히터코어측 냉각수순환라인의 냉각수가 통과하는 제 1냉각수유로와;
상기 배터리측 냉각수순환라인의 냉각수가 통과하는 제 2냉각수유로와;
상기 제 1냉각수유로와 제 2냉각수유로에 각각 대응되게 설치되며, 상기 제 1냉각수유로와 제 2냉각수유로를 통과하는 상기 히터코어측 냉각수순환라인의 냉각수와 상기 배터리측 냉각수순환라인의 냉각수를 각각 개별적으로 가열하는 제 1 및 제 2전기히터를 포함하는 것을 특징으로 하는 차량의 열관리 시스템.The method of claim 1,
The dual coolant electric heater module,
A first cooling water passage through which the cooling water of the cooling water circulation line of the heater core side passes;
A second cooling water passage through which the cooling water of the battery-side cooling water circulation line passes;
The cooling water of the cooling water circulation line on the heater core side and the cooling water of the cooling water circulation line on the battery side are respectively installed to correspond to the first cooling water passage and the second cooling water passage, respectively. A vehicle thermal management system comprising first and second electric heaters that individually heat. 제 2항에 있어서,
상기 듀얼 냉각수 전기히터모듈의 제 2냉각수유로와 상기 배터리 사이에서 냉각수를 순환시켜, 상기 제 2전기히터에 의해 가열된 상기 제 2냉각수유로의 냉각수를 상기 배터리에 도입시키는 워터펌프를 포함하는 것을 특징으로 하는 차량의 열관리 시스템.The method of claim 2,
And a water pump for circulating coolant between the second coolant passage of the dual coolant electric heater module and the battery to introduce coolant of the second coolant passage heated by the second electric heater into the battery. Vehicle thermal management system. 제 3항에 있어서,
상기 배터리의 온도에 따라 상기 듀얼 냉각수 전기히터모듈의 제 2전기히터와 상기 배터리측 냉각수순환라인의 워터펌프 중 적어도 어느 하나를 제어하는 제어부를 더 포함하는 것을 특징으로 하는 차량의 열관리 시스템.The method of claim 3,
And a control unit for controlling at least one of a second electric heater of the dual coolant electric heater module and a water pump of the coolant circulation line on the battery side according to the temperature of the battery. 제 4항에 있어서,
상기 제어부는,
상기 배터리의 온도가, 미리 설정된 기준온도를 초과할 시에 상기 듀얼 냉각수 전기히터모듈의 제 2전기히터와 상기 배터리측 냉각수순환라인의 워터펌프 중 적어도 어느 하나를 오프(OFF)시키는 것을 특징으로 하는 차량용 열관리 시스템.The method of claim 4,
The control unit,
When the temperature of the battery exceeds a preset reference temperature, at least one of a second electric heater of the dual cooling water electric heater module and a water pump of the cooling water circulation line on the battery side is turned off. Thermal management system for vehicles. 제 5항에 있어서,
상기 제어부는,
상기 배터리의 온도가 상기 기준온도 이하로 저하될 시에, 오프된 상기 듀얼 냉각수 전기히터모듈의 제 2전기히터와 상기 배터리측 냉각수순환라인의 워터펌프를 다시 온(ON)시키는 것을 특징으로 하는 차량용 열관리 시스템.The method of claim 5,
The control unit,
When the temperature of the battery falls below the reference temperature, the second electric heater of the dual coolant electric heater module and the water pump of the battery-side coolant circulation line are turned on again. Thermal management system. 제 4항에 있어서,
상기 제어부는,
상기 배터리의 온도에 비례하여 상기 듀얼 냉각수 전기히터모듈의 제 2전기히터 인가전압과, 상기 배터리측 냉각수순환라인의 워터펌프 회전속도 중 적어도 어느 하나를 가변제어하는 것을 특징으로 하는 차량용 열관리 시스템.



The method of claim 4,
The control unit,
And controlling at least one of a second electric heater applied voltage of the dual coolant electric heater module and a water pump rotation speed of the battery side coolant circulation line in proportion to the temperature of the battery.
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JP2015182487A (en) * 2014-03-20 2015-10-22 カルソニックカンセイ株式会社 Vehicle air conditioner
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