KR101769766B1 - Heating system using engine coolant heat without engine running - Google Patents

Heating system using engine coolant heat without engine running Download PDF

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Publication number
KR101769766B1
KR101769766B1 KR1020150175924A KR20150175924A KR101769766B1 KR 101769766 B1 KR101769766 B1 KR 101769766B1 KR 1020150175924 A KR1020150175924 A KR 1020150175924A KR 20150175924 A KR20150175924 A KR 20150175924A KR 101769766 B1 KR101769766 B1 KR 101769766B1
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South Korea
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controller
cooling water
vehicle
engine
ignition
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KR1020150175924A
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Korean (ko)
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KR20170068895A (en
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김승규
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신성오토텍 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
    • B60H1/00314—Arrangements permitting a rapid heating of the heating 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
    • B60H1/00492—Heating, cooling or ventilating [HVAC] devices comprising regenerative heating or cooling means, e.g. heat accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

An ignition coil heating apparatus for a vehicle, comprising: an electric cooling water pump provided on a flow path of cooling water circulating through a heater core, the electric cooling water pump being driven by a power supply of a battery provided in the vehicle; The controller activates the electric cooling water pump when the voltage exceeds a reference voltage set in the controller and performs a control for idling the engine for a predetermined period of time when the electric cooling water pump reaches a state that satisfies a predetermined restarting condition during operation of the electric cooling water pump. And an operation switch for selecting whether the controller is operated or not.

Figure R1020150175924

Description

TECHNICAL FIELD [0001] The present invention relates to a heating system using cooling water,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a heating apparatus for a vehicle, and more particularly, to a heating apparatus for ignition which enables heating by using cooling water waste heat without idling the engine in a state where the vehicle is stopped after the vehicle is operated.

If the driver or passengers staying in the car do not feel cold during the winter, while the car or bus stops to take a rest at the intermediate stop while the car or bus is in operation for a long distance or while the car is parked for the loading / In order to do so, it is necessary to start the heating system.

However, the heating apparatus of an automobile can basically blow warm wind only when the cooling water is heated to some extent by the heat of the engine while the engine is started. That is, the vehicle heating system is configured such that outside air heated by the heat of the cooling water is blown into the passenger compartment while the cooling water is circulated through the water pump operated by the power of the engine. Therefore, even when the engine is stopped, The heating system can be operated properly.

However, the idling of the engine by the stopped vehicle causes various problems. That is, there are problems such as exhaust gas and noise generated in the engine during idling, unnecessary engine wear and oil consumption. Administratively, in areas with high population density such as Seoul, idling restriction areas are gradually expanding due to the problem of exhaust gas, and fines are being disposed of if they are violated.

Also, from the viewpoint of the driver, it is desirable to avoid the increase of the fuel cost in order to make the engine idle without operating the vehicle. For example, if a 3900cc car is idling for 30 minutes every day, the amount of fuel consumed only in idling is about 90 liters per month. Assuming the fuel price is 1,300 won per liter, an additional cost of 117,000 won per month is incurred.

For these reasons, there has been developed a device capable of heating without starting the engine. A representative example is a device called a parking heater. The parking heater is a device that uses part of the driving fuel and burns it with a small burner to generate heat. However, currently, all the parking heater is imported in Korea, and the price is high, and it is difficult to install it in the existing vehicle so that it takes a long time only in the designated service center.

Also, as in Patent Document 1, there is also disclosed a technique of installing a lithium polymer battery instead of using a small burner and heating the PTC heater by operating the lithium polymer battery at the time of stopping. However, in the technology of Patent Document 1, it is necessary to additionally install an expensive lithium polymer battery, and in order to apply it to an existing vehicle using heat of cooling water for heating, all additional devices such as a PTC heater and an inverter must be provided. Compared to parking heater, it is hard to find any advantage.

Korean Public Patent No. 2012-0002224 (Published on January 21, 2012)

It is an object of the present invention to provide a bypass ignition heating apparatus for a vehicle which can supply heating even when the engine is stopped while changing a heating apparatus already provided in the vehicle to a minimum.

It is also an object of the present invention to provide a ignition-free heating apparatus for a vehicle which can ignore the heating for a longer time by temporarily restarting the engine under safety and efficiency considerations.

The present invention provides an ignition and cooling apparatus for a vehicle, comprising: an electric cooling water pump installed on a flow path of cooling water circulating through a heater core, the electric cooling water pump being driven by a power source of a battery provided in the vehicle; A controller for operating the electric cooling water pump when the electric motor is at a predetermined reference voltage or higher and performing a control for idling the engine for a predetermined period of time when the electric cooling water pump reaches a state satisfying a predetermined restarting condition during operation of the electric cooling water pump, ; And an operation switch for selecting whether to perform the control of the controller.

Here, the controller is preferably operated when the ignition key or the start button of the vehicle is in the accessory power source position (KEY-ACC).

If the voltage of the battery is less than the reference voltage, the controller may generate an alarm and stop the control.

The restarting condition is a condition in which the battery voltage is equal to or higher than a reference voltage, the start key or the position of the start button is not changed, the operation time of the controller is longer than a preset time, And the gear of the transmission may be in a neutral state or in a parked state.

Here, the controller performs control to stop the operation of the ignition controller for the vehicle when the voltage of the battery is less than the reference voltage or the position of the ignition key or the start button is changed during the determination of the restart condition.

Further, when the voltage of the battery is less than the reference voltage during the determination of the re-start condition, the controller may perform control to generate an alarm.

When the operation input of the operation switch is released, the controller may perform control to stop the operation of the ignition control device for the vehicle.

Meanwhile, in an embodiment of the present invention, the controller may idle the engine for five minutes when the restart condition is satisfied.

In the ignition timing heating apparatus for vehicle according to the present invention having the above-described configuration, the heating can be supplied even when the engine is stopped with only the addition of the electric cooling water pump and the controller degree. Thus, It is possible to provide ignition-free heating.

Further, according to the present invention, it is possible to continuously supply heating while restarting the engine only for a limited number of times by setting a restart condition considering safety and efficiency, thereby minimizing the fuel consumption required for heating and reducing the fuel cost, Environmental pollution caused by idling can be avoided.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the construction of a ignition-driving heating apparatus for a vehicle according to the present invention; Fig.
2 is a flow chart showing the operating logic of the vehicle ignition heater according to the present invention;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In describing the embodiments of the present invention, a description of well-known structures that can be easily understood by those skilled in the art will be omitted so as not to obscure the gist of the present invention.

Fig. 1 is a view schematically showing a configuration of a ignition-air heating apparatus 10 for a vehicle according to the present invention, and is basically configured to use a heating apparatus among the air conditioning systems provided in a vehicle. This is because the vehicle ignition heater 10 of the present invention is configured to be applied to an existing vehicle through an aftermarket, and therefore, the vehicle ignition heater 10 can be implemented by merely adding a minimum number of devices .

1, the main components added to the heating apparatus already provided in the vehicle in the ignition control apparatus 10 for a vehicle according to the present invention include an electric cooling water pump 100, a controller 200, an operation switch 300 ). In addition, a main harness for electrically connecting the components to the controller 100 is included.

The electric cooling water pump 100 is provided on the flow path of the cooling water circulating the heater core HC and allows the cooling water for heating to flow through the heater core HC even when the engine E is stopped. And is driven by the power source of the battery BA provided in the vehicle at the time of ignoring the heating of the engine E because the pump is driven when the engine E is stopped.

The controller 200 is a microcontroller that controls all operations of the automotive ignition heater 10 and performs self-diagnosis. The main control logic performed by the controller 200 is shown in the flowchart of FIG. 2 .

The controller 200 controls the electric cooling water pump 100 to operate when the engine E is in a stopped state and the voltage of the battery BA is equal to or higher than a preset reference voltage. Here, the reference voltage of the battery BA is set to 11/23 volts, for example, in consideration of the restart of the engine E when the rated voltage of the battery BA is 12/24 volts. That is, the reference voltage of the battery BA to be set is set such that the initial state of the battery BA does not reach a level suitable for driving the electric cooling water pump 100, or the electric cooling water pump 100 is connected to the battery BA Is set to prevent the engine E from being excessively consumed and making the restart of the engine E difficult.

When the controller 200 reaches the state of satisfying the restart condition set in advance during operation of the ignition controller 10 for the vehicle, that is, while the electric cooling water pump 100 is in operation, the controller 200 stops the engine E in the stopped state, To idle for a predetermined period of time.

The most important reason for restarting the engine E under a certain condition during the operation of the ignition-air heater 10 for a vehicle in this manner is that the heater core HC performs heat exchange with the cool outside air This is because if the temperature of the cooling water drops below a suitable level, the heating effect is almost lost, and it is necessary to raise the temperature of the cooling water again. Another auxiliary reason is that since the electric cooling water pump 100 continues to consume the battery BA of the vehicle, the effect of charging the battery BA slightly by restarting the vehicle in the middle can also be obtained.

The operation switch 300 is a switch for turning on / off the ignition-phase heating apparatus 10 for a vehicle according to the present invention. 2, the controller 200 controls the operation of the bypass ignition heater 10 only when the operation switch 300 is in an on state, and when the operation switch 300 is in the off state If it is, it confirms whether input is continued at a certain cycle.

On the other hand, it is preferable that the control logic of the controller 200 is performed when the starting key K or the starting button of the vehicle (hereinafter, referred to as the " starting key ") is at the accessory power source position KEY-ACC. The accessory power source position (KEY-ACC) is a state just before the engine E is started, and power is supplied to various convenience facilities, aids, and the like provided in the vehicle. Particularly, in the present invention, the blower B provided in the heating apparatus of the vehicle operates from when the ignition key K is in the accessory power source position (KEY-ACC) It is desirable that the start-up key K of the vehicle be included in the operation start condition to be in the accessory power source position KEY-ACC in order to prevent the battery BA from being unnecessarily consumed due to the supply of the power. Of course, even if the ignition key K starts to be controlled when the ignition key K is in the stop state, it is necessary to change to the accessory power source position KEY-ACC in order to drive the blower B, The activation key K in use will be in the accessory power source position (KEY-ACC).

As described above, the controller 200 determines whether the voltage of the battery BA is equal to or higher than the reference voltage to complete the self-diagnosis and start the control. At this time, if the voltage of the battery BA is less than the reference voltage An alarm is generated to notify the user of the alarm and the control is stopped.

Here, the above-mentioned restart condition will be described in detail with reference to FIG. 2. If all the restart conditions are satisfied, the controller 200 restarts the engine E to perform the idling operation for a predetermined time.

The restart condition is such that the voltage of the first battery BA is equal to or higher than the reference voltage and the position of the second ignition key K is not changed. Third, the operation time of the controller 200 is longer than a preset time, The temperature is lower than a preset temperature, and the gear of the fourth transmission TM is in a neutral state or a parking state.

The voltage state of the first battery BA is a condition for abandoning the restart when the restart of the engine E is difficult as described above. If the voltage of the battery BA is lower than the reference voltage, the controller 200 generates an alarm as in the case of starting the operation of the igniter 10 for the vehicle and stops the operation of the igniter 10 for the vehicle. .

The fact that the position of the second ignition key K is not changed means that if the ignition key K is changed to the ignition state, the engine E is driven, Because it is gone. Also, if the starter key K is changed to the stop state, the initial operation start condition is exceeded or the blower B does not operate, so that the restart is unnecessary. Therefore, the controller 200 also performs control to stop the operation of the ignition controller 10 for the vehicle even when the second condition is satisfied.

In the third condition, it is required that the operation time of the controller 200 is equal to or longer than the predetermined time. In other words, the restart is required after at least some time elapses. In addition, It is because. The reason why the indoor temperature of the vehicle is required to be a predetermined temperature, for example, less than 25 DEG C is because it is not necessary to restart the vehicle if the cooling water temperature is sufficiently maintained even after the minimum time has elapsed according to the ambient conditions. Here, it is also possible to set the temperature reference to the cooling water temperature rather than the room temperature of the vehicle. However, since the air conditioning temperature felt by the user gives more direct information in terms of heating, in one embodiment of the present invention, .

The last 4th condition is that the gears of the transmission (TM) will be in a neutral or parked state, taking into account safety issues such as vehicle oscillation at restart.

In the re-start condition as described above, information on the voltage of the battery BA, the position of the ignition key K, the room temperature of the vehicle, and the gear position of the transmission TM is required. Most preferably, And the like. However, it is also possible that the controller 200 of the present invention acquires the related information by attaching a separate sensor. For reference, FIG. 1 shows that each sensor and controller 200 are directly connected to each other for the sake of simplicity of understanding, and does not exclude the configuration in which the contents shown in the drawing acquire necessary information from the electronic control unit (ECU) .

If it is determined that the above-described re-start condition is not satisfied, the continuous state is monitored at regular intervals. During this process, the self-diagnosis of the controller 200 or the state of the electric coolant pump 100 may be checked. At this time, if it is confirmed that the operation input of the operation switch 300 is released, the controller 200 receives the operation input of the operation switch 300 as a will to stop the operation of the ignition controller 10 for the vehicle.

On the other hand, in an embodiment of the present invention, when the restart condition is satisfied, the controller 200 controls the engine E to idle for several minutes (for example, five minutes). According to the ordinance on restriction of the idling of automobiles currently conducted throughout Seoul, if the air temperature is 25 ~ 30 ℃ or 0 ~ 5 ℃, idling is permitted for 5 minutes. The possibility of spreading is considered. Of course, even in the technical part, since the long idling time is not necessary to raise the cooling water of the engine (E) once operated for a sufficient time to the proper temperature, the time of about 5 minutes is sufficient. It can be designed accordingly.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be possible. Accordingly, the scope of the present invention will be determined by the description of the claims and their equivalents.

10: Ignition air heating system for automobile
100: Electric cooling water pump
200: Controller 300: Operation switch
E: Engine TM: Transmission
HC: heater core B: blower
BA: Battery K: Startup key
RT: Room temperature sensor

Claims (8)

An electric cooling water pump installed on a flow path of cooling water circulating the heater core and driven by a power supply of a battery provided in the vehicle;
When the engine is in a stopped state and the voltage of the battery is equal to or higher than a preset reference voltage, the electric cooling water pump is operated, and when the electric cooling water pump reaches a state satisfying a predetermined restarting condition during operation of the electric cooling water pump, A controller for performing control to idle for a predetermined time; And
An operation switch for selecting whether to perform the control of the controller;
/ RTI >
The controller operates when the ignition key or the start button of the vehicle is in the accessory power source position (KEY-ACC)
The restarting condition is a condition that the operating time of the controller is equal to or longer than a preset minimum time in order to prevent frequent re-start of the engine when the voltage of the battery is equal to or higher than a reference voltage and the position of the ignition key or the start button is not changed Wherein the ignition coil heating device comprises: delete The method according to claim 1,
Wherein the restarting condition further includes a state in which the room temperature of the vehicle is less than a predetermined temperature and the gear of the transmission is in a neutral state or a parking state. The method according to claim 1,
Wherein the controller generates an alarm and stops the control when the voltage of the battery is less than the reference voltage. The method of claim 3,
Wherein the controller performs control to stop the operation of the ignition controller for the vehicle when the voltage of the battery is less than the reference voltage or the position of the ignition key or the start button is changed during the determination of the restart condition Ignition air heating for vehicles. 6. The method of claim 5,
Wherein the controller performs control to generate an alarm when the voltage of the battery is less than the reference voltage during the determination of the restart condition. The method according to claim 1,
Wherein the controller performs control to stop the operation of the ignition control apparatus for vehicle when the operation input of the operation switch is released. The method according to claim 1,
Wherein the controller performs control to idle the engine for five minutes when the restart condition is satisfied.
KR1020150175924A 2015-12-10 2015-12-10 Heating system using engine coolant heat without engine running KR101769766B1 (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210101403A (en) 2020-02-10 2021-08-19 신성대학교 산학협력단 Air heating apparatus of portable type without starting engine
KR20220027892A (en) 2020-08-27 2022-03-08 진호(주) Air conditioner without engine running for heating and cooling for truck
KR20220104405A (en) 2021-01-18 2022-07-26 주식회사 키엔솔루션 Generator using exhaust heat
KR20220109693A (en) 2021-01-29 2022-08-05 진호(주) Power supply control system for an air conditioner of engine of an off state with solar cell
KR20230007649A (en) 2021-07-06 2023-01-13 지성하이테크 주식회사 Heating Device Using Engine Heat
KR20230060311A (en) 2021-10-27 2023-05-04 김태겸 Heating Apparatus For Camping Car
KR20230089679A (en) 2021-12-14 2023-06-21 진호(주) Control system for air conditioner without engine running for heating and cooling for truck
KR20230168662A (en) 2022-06-08 2023-12-15 진호(주) Air conditioner system for heat pump based heating and cooling for truck when engine stopped

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001341520A (en) * 2000-06-01 2001-12-11 Suzuki Motor Corp Heating device for vehicle
KR100542910B1 (en) * 2005-05-16 2006-01-11 주식회사 다산 Heating device using engine heat
JP2015520320A (en) 2012-05-24 2015-07-16 本田技研工業株式会社 System and method for controlling idle stop and heater of vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001341520A (en) * 2000-06-01 2001-12-11 Suzuki Motor Corp Heating device for vehicle
KR100542910B1 (en) * 2005-05-16 2006-01-11 주식회사 다산 Heating device using engine heat
JP2015520320A (en) 2012-05-24 2015-07-16 本田技研工業株式会社 System and method for controlling idle stop and heater of vehicle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210101403A (en) 2020-02-10 2021-08-19 신성대학교 산학협력단 Air heating apparatus of portable type without starting engine
KR20220027892A (en) 2020-08-27 2022-03-08 진호(주) Air conditioner without engine running for heating and cooling for truck
KR20220027532A (en) 2020-08-27 2022-03-08 진호(주) Air conditioner without engine running for heating and cooling for truck
KR20220104405A (en) 2021-01-18 2022-07-26 주식회사 키엔솔루션 Generator using exhaust heat
KR20220109693A (en) 2021-01-29 2022-08-05 진호(주) Power supply control system for an air conditioner of engine of an off state with solar cell
KR20230007649A (en) 2021-07-06 2023-01-13 지성하이테크 주식회사 Heating Device Using Engine Heat
KR20230060311A (en) 2021-10-27 2023-05-04 김태겸 Heating Apparatus For Camping Car
KR20230089679A (en) 2021-12-14 2023-06-21 진호(주) Control system for air conditioner without engine running for heating and cooling for truck
KR20230168662A (en) 2022-06-08 2023-12-15 진호(주) Air conditioner system for heat pump based heating and cooling for truck when engine stopped

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