KR100201696B1 - Apparatus for control of air-conditioner - Google Patents

Apparatus for control of air-conditioner Download PDF

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Publication number
KR100201696B1
KR100201696B1 KR1019960081266A KR19960081266A KR100201696B1 KR 100201696 B1 KR100201696 B1 KR 100201696B1 KR 1019960081266 A KR1019960081266 A KR 1019960081266A KR 19960081266 A KR19960081266 A KR 19960081266A KR 100201696 B1 KR100201696 B1 KR 100201696B1
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South Korea
Prior art keywords
air conditioner
generator
battery
vehicle
engine
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KR1019960081266A
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Korean (ko)
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KR19980061888A (en
Inventor
박재경
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오상수
만도기계주식회사
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Priority to KR1019960081266A priority Critical patent/KR100201696B1/en
Publication of KR19980061888A publication Critical patent/KR19980061888A/en
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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
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3225—Cooling devices using compression characterised by safety arrangements, e.g. compressor anti-seizure means or by signalling devices
    • 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
    • B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
    • 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
    • B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
    • B60H1/00428—Driving arrangements for parts of a vehicle air-conditioning electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/01—Arrangements for reducing harmonics or ripples
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1415—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with a generator driven by a prime mover other than the motor of a vehicle
    • 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
    • B60H1/32—Cooling devices
    • B60H2001/3286—Constructional features
    • B60H2001/3292—Compressor drive is electric only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

본 발명은 차량의 구동엔진과는 별도의 에어콘용 보조 엔진이 장착된 버스의 에어콘에 관한 것이다.The present invention relates to an air conditioner of a bus equipped with an auxiliary engine for an air conditioner separate from a driving engine of a vehicle.

본 발명은 에어콘을 구동시키기 위해 전용 서브 엔진이 구비된 에어콘 제어장치에 있어서, 배터리에 차량용 발전기 및 에어콘을 제외한 각 전기장치가 메인 스위치 및 릴레이를 매개로하여 병렬로 연결되는 한편, 에어콘용 발전기는 병렬운전시 에어콘용 발전기의 배터리 충전을 차단하는 내부잠금 회로를 매개로하여 연결되는 것을 특징으로 하는 에어콘용 발전기 제어장치를 제공하여 차량용 발전기와 에어콘용 발전기가 동시에 배터리를 충전시키는 것을 방지함으로써 장기간에 걸친 에어콘용 발전기의 파손을 방지할 수 있으며, 제품의 수명을 연장할 수 있는 효과를 가져올 수 있다.The present invention provides an air conditioner controller equipped with a dedicated sub-engine for driving an air conditioner, wherein each electric device except the vehicle generator and the air conditioner is connected to the battery in parallel via a main switch and a relay, and the generator for the air conditioner is Providing an air conditioner generator control device, which is connected through an internal locking circuit that blocks battery charging of the air conditioner generator in parallel operation, thereby preventing the vehicle generator and the air conditioner generator from simultaneously charging the battery for a long time. It can prevent the damage of the air conditioner generator over, it can bring the effect of extending the life of the product.

Description

에어콘용 발전기 제어장치Generator Control Unit for Air Conditioning

본 발명은 차량의 구동엔진과는 별도의 에어콘용 보조 엔진이 장착된 버스의 에어콘에 관한 것으로서, 더욱 상세하게는 에어콘용 발전기의 제어장치에 관한 것이다.The present invention relates to an air conditioner of a bus equipped with an auxiliary engine for an air conditioner separate from a driving engine of a vehicle, and more particularly, to a control device of an air conditioner generator.

냉각사이클(cooling cycle)을 이용하여 실내를 냉각시키는 에어콘(air conditioner)은 주지하다시피 냉매(冷媒)를 압축기에서 고온, 고압으로 압축시킨 뒤 응축기(condenser)에서 액화시키고, 팽창밸브(expansion valve)를 통해 증발기(evaporator)에서 기화시켜 흡수되는 기화열에 의해 냉각작용을 수행하는 공기조절 장치로, 사회전반에 걸쳐 광범위하게 사용되고 있다.Air conditioners, which use a cooling cycle to cool the room, are well known. After the refrigerant is compressed to high temperature and high pressure in a compressor, it is liquefied in a condenser and an expansion valve. An air conditioning device that performs cooling by vaporization heat absorbed by evaporation through an evaporator, and is widely used throughout society.

예를들어 자동차에 있어서도 여름철 무더운 날씨에 쾌적한 차내환경을 위해 사용되고 있다. 승용차등의 소형차량은 냉각할 공간이 좁으므로 소형의 냉각시스템(cooling system)으로도 충분하여 그 엔진에 의해 구동되나, 버스 등과 같은 대형차량은 냉각할 공간이 상당히 넓기 때문에 대형의 냉각시스템이 채용되고 별도의 전용 서브 엔진(sub engine)에 의해 구동되며, 이 서브 엔진에 전원을 공급하기 위한 에어콘 전용 발전기가 구비되어 있다.For example, in automobiles, it is used for a comfortable environment in the hot summer weather. Small vehicles such as passenger cars have a small space to cool, so a small cooling system is sufficient and driven by the engine, but large vehicles such as buses have a large space to cool, so a large cooling system is adopted. It is driven by a separate dedicated sub engine, and is provided with a dedicated air conditioner generator for supplying power to the sub engine.

제1도는 종래의 에어콘용 발전기의 배선도이다.1 is a wiring diagram of a conventional air conditioner generator.

도시된 바와 같이, 종래의 에어콘용 발전기(10)는 배터리(14)에 차량 발전기(20)와 병렬로 배선되어 있다.As shown, the conventional air conditioner generator 10 is wired in parallel with the vehicle generator 20 in the battery 14.

차량용 발전기(20)는 벨트로 엔진과 연결되어 구동되며, 그 발전량은 엔진의 회전수에 따라 다르고, 발전량이 부하량보다 적을 경우에는 배터리가 전원이 되어 일시 방전한다. 그리고 발전량이 부하량보다 많은 경우에는 발전기만으로 에어콘을 제외한 모든 전기장치에 전력을 공급하고 배터리도 발전기에 의해 충전된다.The vehicle generator 20 is driven by being connected to the engine by a belt, and the amount of power generation varies depending on the number of revolutions of the engine. And when the amount of power generation is greater than the load, only the generator supplies power to all the electric devices except the air conditioner and the battery is also charged by the generator.

에어콘용 발전기(10)는 에어콘의 압축기와 벨트로 연결되어 구동되며, 그 발전량은 에어콘을 구동시키는 서브 엔진에 공급되고 배터리(14)에 충전된다.The air conditioner generator 10 is connected to and driven by a compressor and a belt of the air conditioner, and the amount of power generation is supplied to the sub-engine for driving the air conditioner and charged in the battery 14.

이와같이 서브 엔진이 장착된 에어콘은 차량이 정지된 상태에서도 메인 스위치(18)를 온(on)시키고 에어콘 작동스위치를 작동하면 배터리(14)의 전력을 공급받은 서브 엔진에 의해 압축기가 구동되어 냉매사이클이 순환되며, 압축기에 의해 에어콘용 발전기(10)가 구동되면 이 에어콘용 발전기(10)가 서브 엔진의 전원이 되어 압축기를 구동하게 되어 에어콘을 작동시킬 수 있다.As such, the air conditioner equipped with the sub-engine is operated by the sub-engine supplied with the power of the battery 14 when the main switch 18 is turned on and the air conditioner operation switch is operated even when the vehicle is stopped. When the air conditioner generator 10 is driven by the compressor, the air conditioner generator 10 may be a power source of the sub-engine to drive the compressor to operate the air conditioner.

한편, 차량 고속주행시에도 에어콘은 별도의 에어콘용 발전기(10)에 의해 전력을 공급받은 서브 엔진에 의해 구동되므로 차량의 구동력이 저하되지 않는다.On the other hand, even when the vehicle is driving at high speed, the air conditioner is driven by a sub-engine supplied with power by a separate air conditioner generator 10, so that the driving force of the vehicle does not decrease.

그런데 이와같은 종래의 에어콘용 발전기(10)는 배터리(14)에 차량용 발전기 및 각종 부하(22)들과 함께 병렬연결되어 주행중 에어콘을 작동하는 경우, 즉 병렬운전시 차량용 발전기(20)와 에어콘용 발전기(10)에서 동시에 발전되어 배터리(14)를 충전하게 되는데 차량용 발전기(20)의 용량은 약 150 암패어(A)인 반면에 에어콘용 발전기(10)의 용량은 약 30 암패어(A)로 설정되어 있어 전류가 높은 차량용 발전기(20)에서 전류가 낮은 에어콘용 발전기(10)로 역류되는 문제가 있었다.However, such a conventional air conditioner generator 10 is connected to the battery 14 and the vehicle generator and various loads 22 in parallel when operating the air conditioner while driving, that is, the vehicle generator 20 and the air conditioner for parallel operation The generator 10 is generated at the same time to charge the battery 14, the capacity of the vehicle generator 20 is about 150 amps (A) while the capacity of the air conditioner generator 10 is about 30 amps (A) Since it is set to have a problem that the current flows back from the vehicle generator 20 with a high current to the air conditioner generator 10 with a low current.

이와같은 병렬 운전이 장시간(1년~2년)지속되면 차량용 발전기(20)와 에어콘용 발전기(10)의 주위온도, 전압, 회전수 등의 구동환경의 차이로 에어콘용 발전기(10)의 수명이 단축되며, 파손된다.When such parallel operation lasts for a long time (1 year to 2 years), the lifespan of the air conditioner generator 10 may vary due to the difference in driving environment such as ambient temperature, voltage, and rotation speed of the vehicle generator 20 and the air conditioner generator 10. It is shortened and broken.

따라서, 본 발명은 이와같은 종래의 문제점을 해결하기 위한 것으로, 에어콘용 발전기에 내부잠극(inter-lock)회로를 마련하여 차량용 발전기가 운전될 때에는 에어콘용 발전기의 배터리 충전이 차단될 수 있도록하는 버스 에어콘용 발전기 제어장치를 제공하는데 그 목적이 있다.Therefore, the present invention is to solve such a conventional problem, by providing an inter-lock circuit (inter-lock) circuit in the generator for the air conditioner bus so that the battery charge of the generator for the air conditioner can be interrupted when the vehicle generator is operated It is an object of the present invention to provide a generator control device for air conditioning.

이와같은 목적을 실현하기 위한 본 발명은 에어콘을 구동시키기 위해 전용 서브 엔진이 구비된 에어콘 제어장치에 있어서, 배터리에 차량용 발전기 및 에어콘을 제외한 각 전기장치가 메인 스위치 및 릴레이를 매개로하여 병렬로 연결되는 한편, 에어콘용 발전기는 병렬운전시 에어콘용 발전기의 배터리 충전을 차단하는 내부잠금 회로를 매개로하여 연결되는 것을 특징으로 하는 에어콘용 발전기 제어장치를 제공한다.In order to achieve the above object, the present invention provides an air conditioner controller having a dedicated sub-engine for driving an air conditioner, wherein each electric device except a vehicle generator and an air conditioner is connected to the battery in parallel through a main switch and a relay. On the other hand, the air conditioner generator provides an air conditioner generator control device, characterized in that connected via an internal lock circuit for blocking the battery charging of the air conditioner generator in parallel operation.

본 발명의 바람직한 실시예에 따르면, 에어콘용 발전기의 무부하 발전에 의한 리플 전압 제거를 위한 별도의 캐퍼시터가 구비된 것을 특징으로 한다.According to a preferred embodiment of the present invention, a separate capacitor for removing the ripple voltage by the no-load power generation of the air conditioner generator is characterized in that it is provided.

제1도는 종래의 에어콘용 발전기 배선구조를 보인 배선도.1 is a wiring diagram showing a conventional generator wiring structure for an air conditioner.

제2도는 본 발명에 따른 에어콘용 발전기 배선구조를 보인 배선도.2 is a wiring diagram showing a generator wiring structure for an air conditioner according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 에어콘용 발전기 12 : 내부잠금(inter-lock)회로10: generator for air conditioner 12: inter-lock circuit

14 : 배터리 16 : 캐퍼시터(capccitor)14 battery 16 capacitor

18 : 메인 스위치 20 : 차량용 발전기18: main switch 20: car generator

22 : 전기장치 및 부하22: electric device and load

이하 본 발명의 구성 및 작용효과를 첨부도면과 함께 상세히 설명하면 다음과 같다.Hereinafter, the configuration and operation of the present invention will be described in detail with the accompanying drawings.

제2도는 본 발명의 바람직한 실시예를 나타낸 배선도이다.2 is a wiring diagram showing a preferred embodiment of the present invention.

도시된 바와같이, 본 발명의 바람직한 실시예에 따른 에어콘용 발전기(10)는 내부잠금회로(12)를 매개로하여 배터리(14)에 병렬연결되며, 에어콘용 발전기(10)와 내부잠금 회로(12) 사이에 캐퍼시터(16)가 연결된다.As shown, the air conditioner generator 10 according to a preferred embodiment of the present invention is connected in parallel to the battery 14 via the internal lock circuit 12, the air conditioner generator 10 and the internal lock circuit ( The capacitor 16 is connected between 12).

상기 내부잠금 회로(12)는 차량용 발전기(20)가 구동되는 경우에는 에어콘용 발전기(10)의 구동을 차단하며, 차량용 발전기(20)가 구동되지 않는 경우 에어콘용 발전기(10)를 배터리(14)와 연결한다.The internal locking circuit 12 blocks driving of the air conditioner generator 10 when the vehicle generator 20 is driven, and replaces the air conditioner generator 10 with the battery 14 when the vehicle generator 20 is not driven. ).

상기와 같은 배선구조를 갖는 본 발명에 따른 에어콘용 발전기에 대한 동작 설명을 하면 다음과 같다.Referring to the operation of the air conditioner generator according to the present invention having the wiring structure as described above are as follows.

차량용 발전기(20)가 구동되는 경우, 내부잠금회로(12)에 의해 에어콘용 발전기(10)의 구동이 차단되므로 발전용량이 높은 차량용 발전기(20)에서 발전용량이 낮은 에어콘용 발전기(10)로 전력이 역류되는 것을 차단하게 된다.When the vehicle generator 20 is driven, the driving of the air conditioner generator 10 is blocked by the internal locking circuit 12, so the vehicle generator 20 having a high power generation capacity from the vehicle generator 20 having a high power generation capacity to the air conditioner generator 10 having a low power generation capacity. This prevents power backflow.

한편, 메인 스위치(4)가 연결되어 버스의 각 전기장치 및 부하(22)에 전원은 인가된 상태에서 차량용 발전기(20)가 구동되지 않는 경우, 에어콘용 발전기(10)는 배터리(14)와 전기적으로 연결되어 있으며, 에어콘 작동시 배터리의 방전을 전원으로하여 서브 엔진이 구동되며, 서브 엔진에 의해 압축기가 구동되어 냉각사이클을 순환시키며, 압축기에 의해 에어콘용 발전기가 발전되어 잠시 후에는 에어콘용 발전기(10)를 전원으로하여 서브 엔진이 구동되는 구조를 갖게 된다.On the other hand, when the vehicle generator 20 is not driven while the main switch 4 is connected and power is applied to each electric device and the load 22 of the bus, the air conditioner generator 10 is connected to the battery 14. Electrically connected, the sub-engine is driven by discharging the battery as the power source when the air-conditioner is operated. The compressor is driven by the sub-engine to circulate the cooling cycle. The generator 10 is used as a power source to have a structure in which the sub-engine is driven.

한편, 병렬운전, 즉 차량 주행중에 에어콘을 작동하는 경우 차량용 발전기(20)가 구동되고 있으므로 에어콘용 발전기(10)는 내부잠금회로(12)에 의해 차단되어 배터리(14)를 충전시키지는 않지만 에어콘이 가동되는 상태이므로 압축기에 의해 무부하 상태(배터리와 연결되지 않은 상태)에서 발전이 이루어진다.On the other hand, since the vehicle generator 20 is driven when the air conditioner is operated in parallel operation, that is, while driving the vehicle, the air conditioner generator 10 is blocked by the internal locking circuit 12 to charge the battery 14, but the air conditioner is not charged. Since it is in a running state, power is generated in the no-load state (not connected to the battery) by the compressor.

이와같은 무부하 상태에서 에어콘용 발전기(10)가 전력을 발전하게 되는데 그 과정에서 교류성분이 포함된 리플전압은 캐퍼시퍼(16)에 의해 흡수되어 에어콘용 발전기(10)의 손상을 방지하게 된다.In this no-load state, the air conditioner generator 10 generates electric power. In the process, the ripple voltage including the AC component is absorbed by the capacitor 16 to prevent damage to the air conditioner generator 10.

이상, 상기 내용은 바람직한 일 실시예를 단지 예시한 것으로 본 발명의 당업자는 본 발명의 요지를 변경시킴이 없이 본 발명에 대한 수정 및 변경을 가할 수 있음을 인지해야 한다.As mentioned above, it should be noted that those skilled in the art can only make modifications and changes to the present invention without changing the gist of the present invention as it merely illustrates one preferred embodiment.

따라서 본 발명에 따르면, 구동환경이 다른 차량용 발전기와 에어콘용 발전기가 동시에 배터리를 충전시키는 것을 방지함으로써 장기간에 걸친 에어콘용 발전기의 파손을 방지할 수 있으며, 제품의 수명을 연장할 수 있는 효과를 가져올 수 있다.Therefore, according to the present invention, by preventing the vehicle generator and the air conditioner generator with different driving environment to charge the battery at the same time, it is possible to prevent the damage of the air conditioner generator for a long time, and bring the effect of extending the life of the product Can be.

Claims (2)

에어콘을 구동시키기 위해 전용 서브 엔진이 구비된 에어콘 제어장치에 있어서, 배터리에 차량용 발전기 및 에어콘을 제외한 각 전기장치가 메인 스위치 및 릴레이를 매개로하여 병렬로 연결되는 한편, 에어콘용 발전기는 병렬운전시 에어콘용 발전기의 배터리 충전을 차단하는 내부잠금 회로를 매개로하여 연결되는 것을 특징으로 하는 에어콘용 발전기 제어장치.In an air conditioner control device provided with a dedicated sub-engine for driving an air conditioner, each electric device except the vehicle generator and the air conditioner is connected to the battery in parallel via a main switch and a relay, while the air conditioner generator is operated in parallel operation. Generator control device for an air conditioner, characterized in that connected via an internal lock circuit for blocking the battery charging of the air conditioner generator. 제1항에 있어서, 상기 에어콘용 발전기의 무부하 발전에 의한 리플 전압 제거를 위한 별도의 캐퍼시터가 구비된 것을 특징으로 하는 에어콘용 발전기 제어장치.The air conditioner generator control apparatus according to claim 1, wherein a separate capacitor is provided for removing the ripple voltage by the no-load power generation of the air conditioner generator.
KR1019960081266A 1996-12-31 1996-12-31 Apparatus for control of air-conditioner KR100201696B1 (en)

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KR100201696B1 true KR100201696B1 (en) 1999-06-15

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