JP2008308080A - Heat absorption and radiation system for automobile, and control method thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a variety of action modes for transmitting/receiving heat to/from an engine system, an HV system, and a cabin, regardless of engine action. <P>SOLUTION: The system comprises a heat pump cycle comprising a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a cabin side heat exchanger, and the engine system comprising an engine, and an engine cooling water system. It is also provided with a water-coolant heat exchanger 33 for heat-exchanging between cooling water and coolant, a second four-way valve 41, and a second expansion valve 43. The first four-way valve 40 forms a coolant passage between the compressor and the outside air heat exchanger 31, and the second four-way valve 41 forms a coolant passage between the outside air heat exchanger 31 and the cabin side heat exchanger 34 under switching control. The first expansion valve 42 disposed between the outside air heat exchanger 31 and the second four-way valve 41 is controlled with the degree of opening, while the second expansion valve 43 disposed between the coolant heat exchanger 33 and the cabin side heat exchanger 34 is controlled to fully open, so that the action mode is selected between cabin air-conditioning and equipment cooling (with priority on air-conditioning). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an automobile heat absorption / dissipation system including a heat pump cycle having a compressor and a heat exchanger, and more particularly, to an absorption / radiation system having a variety of combinations of the heat absorption / radiation cycles.

  As a trend in recent years, in general, automobiles are required to save fuel, and exhaust gas regulations have been tightened. Therefore, hybrid electric vehicles (HEV) are becoming popular as driving sources. .

  In the HEV, when a plug-in method in which charging is performed at night by a household power supply is used, the charging power is used as vehicle power, which leads to a decrease in the frequency of use of the engine (internal combustion engine). In addition, a hybrid cooling system is provided for the inverter used for motor control in HEV for heat dissipation from the element. This hybrid cooling system has been provided separately from the engine cooling system, but is represented by SiC. There is a movement to unify the cooling system by developing high-temperature resistant inverter elements.

As a prior art in a car air conditioner for an automobile, for example, Patent Document 1 discloses a heat pump system using HEV or exhaust heat of an engine. According to Patent Document 1, when the engine is driven, cooling water heated by the engine is circulated to the radiator by a circulation pump, air is sent to the radiator by a fan outside the vehicle compartment, and the heat stored in the cooling water is wasted. By circulating to the engine, the engine is maintained at a predetermined temperature, and the refrigerant heated by the cooling water is circulated to the indoor heat exchanger, or the cooling water is circulated to the indoor heat exchanger and blown by the indoor fan. By doing so, it is disclosed that the vehicle interior is heated. The main feature of Patent Document 1 is that the refrigerant flowing in the refrigerant circuit, the radiator water, and the cooling air can exchange heat with each other.
JP 2004-278948 A

  However, in a general car air conditioner, exhaust heat of the engine is used for heating the passenger compartment, but the engine is started to heat the passenger compartment, resulting in a problem that fuel efficiency deteriorates. Heating by a heat pump can be considered as a countermeasure against this, but in this case, air becomes a heat source and a frosting phenomenon occurs in the heat exchanger, which requires special energy for defrosting.

  Further, when the engine starts cold, NOx is discharged at that time, which causes a problem in terms of exhaust gas cleaning. Furthermore, in HEV, it is required to perform battery temperature management in order to maintain the performance and life of the battery during charging using an external power source in a plug-in system. Further, a pump that operates by driving the engine is used for cooling the engine, but it is necessary to provide a fail safe in the engine cooling water system.

  Moreover, in the disclosed technique as shown in Patent Document 1, it is necessary to install two heat exchangers, an evaporator during cooling and a condenser during heating, and the installation of piping to these heat exchangers is complicated. Furthermore, although the cited reference 1 uses waste heat energy from the radiator water, only a limited combination of heat absorption and release cycles is disclosed, and various combinations of the heat absorption and release cycles are disclosed. There is a lack of consideration to provide a wide variety of absorption and heat dissipation systems.

  The present invention arbitrarily enables heat exchange between components having different temperature levels in the vehicle interior, HEV electric system, and engine system, and heat exchange with the outside air regardless of the operation of the engine. The purpose is to provide a multifunctional and highly reliable heat absorption / dissipation system.

In order to solve the above problems, the present invention mainly adopts the following configuration.
A heat absorbing / dissipating system for an automobile, comprising: a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, a heat pump cycle having an interior heat exchanger, and an engine system having an engine and an engine cooling water system. In
A water / refrigerant heat exchanger capable of exchanging heat between the engine cooling water and the heat pump cycle refrigerant, a second four-way valve, and a second expansion valve;
The first four-way valve is arranged on a pipe line connecting the compressor and the outside air heat exchanger, and the second four-way valve is arranged on a pipe line connecting the outside air heat exchanger and the water / refrigerant heat exchanger. ,
The first expansion valve is disposed on a conduit connecting the outside air heat exchanger and a second four-way valve, and the second expansion valve is disposed on a conduit connecting the water / refrigerant heat exchanger and the vehicle interior heat exchanger. Place and
The refrigerant flow path is switched by the first four-way valve and the second four-way valve, and further, the first expansion valve and the second expansion valve are fully opened or the opening degree is controlled. An operation mode in which heating and cooling or heating of equipment including an engine or a motor are combined can be selected.

  Further, in the automobile heat absorption and heat dissipation system, the operation modes include a cabin cooling / equipment cooling (cooling priority) cycle, a cabin cooling / equipment cooling (cooling priority) cycle, a cabin heating / equipment cooling cycle, and a cabin cooling. -It is set as the structure which forms either an apparatus heating cycle, a vehicle interior heating / apparatus heating (heating priority) cycle, or an interior heating / apparatus heating (heating priority) cycle.

And a heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method for an air absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat between water and a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is controlled so as to form a refrigerant flow path between the compressor and the outside air heat exchanger, and the second four-way valve is exchanged between the outside air heat exchanger and the vehicle interior heat exchange. The first expansion valve disposed between the outside air heat exchanger and the second four-way valve is controlled in opening so as to form a refrigerant flow path between the outside air heat exchanger and the water / The second expansion valve disposed between the refrigerant heat exchanger and the vehicle interior heat exchanger is fully opened to select an operation mode of vehicle interior cooling / equipment cooling (cooling priority).

And a heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method for an air absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat between water and a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is switch-controlled so as to form a refrigerant flow path between the compressor and the outside air heat exchanger, and the second four-way valve is switched between the outside air heat exchanger and the water / refrigerant heat. The first expansion valve disposed between the outside heat exchanger and the second four-way valve is controlled in opening so as to form a refrigerant flow path with the exchanger, and the water The second expansion valve disposed between the refrigerant heat exchanger and the vehicle interior heat exchanger is fully opened to select the operation mode of vehicle interior cooling / equipment cooling (cooling priority).

And a heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method for an air absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat between water and a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is controlled to be switched so as to form a refrigerant flow path between the compressor and the second four-way valve, and the second four-way valve is connected to the first four-way valve and the vehicle interior. The first expansion valve disposed between the outside heat exchanger and the second four-way valve is fully opened and controlled so as to form a refrigerant flow path with the heat exchanger. / The second expansion valve disposed between the refrigerant heat exchanger and the vehicle interior heat exchanger is controlled in opening so that the operation mode of vehicle interior heating / equipment cooling is selected.

And a heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method for an air absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat between water and a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is switch-controlled so as to form a refrigerant flow path between the compressor and the outside air heat exchanger, and the second four-way valve is switched between the outside air heat exchanger and the water / refrigerant heat. The first expansion valve disposed between the outside heat exchanger and the second four-way valve is fully opened and controlled to form a refrigerant flow path with the exchanger, and the water / The second expansion valve disposed between the refrigerant heat exchanger and the vehicle interior heat exchanger is controlled in opening to select an operation mode of vehicle interior cooling / equipment heating.

And a heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method for an air absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat between water and a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is controlled to be switched so as to form a refrigerant flow path between the compressor and the second four-way valve, and the second four-way valve is connected to the first four-way valve and the vehicle interior. Switching control is performed so as to form a refrigerant flow path with the heat exchanger, and the first expansion valve disposed between the outside heat exchanger and the second four-way valve is controlled in opening degree, The second expansion valve disposed between the water / refrigerant heat exchanger and the vehicle interior heat exchanger is fully opened to select an operation mode of vehicle interior heating / equipment heating (heating priority). .

And a heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method for an air absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat between water and a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is switch-controlled so as to form a refrigerant flow path between the compressor and the second four-way valve, and the second four-way valve is connected to the first four-way valve and the water / Switching control is performed so as to form a refrigerant flow path with the refrigerant heat exchanger, and the opening degree of the first expansion valve disposed between the outside air heat exchanger and the second four-way valve is controlled, The second expansion valve disposed between the water / refrigerant heat exchanger and the vehicle interior heat exchanger is fully opened to select an operation mode of vehicle interior heating / equipment heating (heating priority). thing.

  According to the present invention, a water / refrigerant heat exchanger that performs heat exchange between the refrigerant of the heat pump cycle and the cooling water of equipment such as an engine, a second four-way valve, and a second expansion valve are installed. By appropriately switching and controlling the refrigerant system and controlling the opening of the expansion valve, heat is transferred to the engine system, electric drive system (HV system) such as a motor, and the passenger compartment regardless of the operation of the engine. Various modes of operation that can be implemented can be provided.

  An automobile heat absorption / dissipation system according to an embodiment of the present invention will be described below with reference to FIGS.

  In the drawings, 1 is an automobile, 2 is a passenger compartment, 3 is an engine, 4 is a throttle body, 5 is a battery, 6 is a radiator, 7 is an inverter, 8 is a motor, 9 is a generator, 10 is an engine drive pump, and 11 is power. Transmission means, 12 is a check valve 1, 13 is an electric pump, 14 is a check valve 2, 15 is a fan, 17 is a heater core, 18 is an electric pump 2 (FIGS. 10 and 12), 30 is a compressor, 31 is Outside air heat exchanger, 33 is a water / refrigerant heat exchanger, 34 is an indoor heat exchanger, 35 is a battery chamber heat exchanger, 36 is a compressor inverter (FIG. 7), 40 is a first four-way valve, and 41 is a first 2 four-way valve, 42 is a first expansion valve, 43 is a second expansion valve, 44 to 49 are two-way valves, 50, 55, 60, 62 and 63 are ducts, 51 and 61 are fans, 52 and 53 54, 64, 65 are dampers, 101-107 are refrigerants Pipes, 200, 202, 204, 210, 212, and 220 are cooling water pipes, 215, 216, and 217 are three-way valves, 300 is a cycle control device, 301 is an outside air temperature sensor, 302 is a cooling water temperature sensor, and 303 is a battery temperature. Sensor, 304 is battery temperature upper limit value, 305 is battery temperature lower limit value, 306 is vehicle compartment temperature sensor, 307 is hybrid system controller, 308 is engine controller, 309 is battery controller, 310 is air conditioning setting input means, 311 is warm air setting Input means 312 represents a timer.

  The heat absorption / dissipation system according to the embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a view for explaining a vehicle compartment cooling / equipment cooling cycle (cooling priority) in the heat absorption / dissipation system according to the embodiment of the present invention. FIG. 2 is a diagram for explaining a vehicle compartment cooling / equipment cooling cycle (cooling priority) in the heat absorption / dissipation system according to the present embodiment. FIG. 3 is a diagram for explaining a vehicle compartment heating / equipment cooling cycle in the heat absorption / dissipation system according to the present embodiment. FIG. 4 is a diagram for explaining a vehicle compartment cooling / equipment heating cycle in the heat absorption / dissipation system according to the present embodiment. FIG. 5 is a diagram for explaining a vehicle compartment heating / equipment heating cycle (heating priority) in the heat dissipation / radiation system according to the present embodiment. FIG. 6 is a diagram for explaining a vehicle compartment heating / equipment heating cycle (heating priority) in the heat absorbing / dissipating system according to the present embodiment.

  Moreover, FIG. 7 is a figure showing the component used by the heat pump cycle in the heat absorption / radiation system based on this embodiment. FIG. 8 is a diagram illustrating the role of the heat exchanger and the state of the valve in each operation mode of the heat absorption / dissipation system according to the present embodiment. FIG. 9 is a diagram illustrating the operating states of the electric pump and the engine drive pump in the heat absorption / dissipation system according to the present embodiment.

  Moreover, FIG. 10 is a figure which shows one structural example which makes an engine cooling water system | strain and a hybrid cooling water system | strain another system in the heat absorption / radiation system which concerns on embodiment of this invention. FIG. 11 is a diagram showing another configuration example in which the engine cooling water system and the hybrid cooling water system are separate systems in the heat absorption / dissipation system according to the embodiment of the present invention. FIG. 12 is a diagram showing a configuration example of only an engine cooling water system in the heat absorption / dissipation system according to the embodiment of the present invention.

  First, an embodiment of the present invention will be schematically described. An engine system and an HV system are provided, and a cooling and heating mode in a vehicle compartment can be performed. Further, an engine (or engine cooling water), a battery, a motor, an inverter, A mode for cooling or heating a device such as these can be implemented, and various operation modes (specifically, operation modes shown in FIGS. 1 to 6, FIG. 8, respectively) that combine these cooling, heating, cooling, and heating modes. The engine cooling water system and the HV cooling water system are provided, and the cooling water system radiator, the heat pump system compressor, the passenger compartment heat exchanger, and the outside air are provided. A heat exchanger, an expansion valve, and a four-way valve are provided as basic components, and a water / refrigerant heat exchanger for exchanging heat between refrigerant and cooling water is provided in the electric heat pump cycle. In order to change the function of the water / refrigerant heat exchanger to an evaporator or a condenser (change to heat dissipation or heat absorption), a four-way valve and an expansion valve are provided with first and second valves, respectively, to provide a refrigerant flow path. To control the opening degree of the expansion valve.

  Also, in the cooling water system, an electric pump and an engine drive pump are installed in parallel, and the cooling water can be passed regardless of whether the engine is operating or not, thereby ensuring a fail safe of the cooling water system. .

  Next, description will be made regarding the heat absorbing / dissipating system of the vehicle compartment cooling / equipment cooling cycle (cooling priority) shown in FIG. 1. In the heat absorbing / dissipating system of FIG. , First expansion valve 42, second four-way valve 41, vehicle compartment heat exchanger 34 (and / or battery heat exchanger 35), second expansion valve 43, water / refrigerant heat exchanger 33, second four-way valve 41, A cooling / cooling cycle is formed by the system of the first four-way valve 40 and the compressor 30, and heat is radiated by the outdoor air heat exchanger 31, and heat is absorbed by the passenger compartment heat exchanger 34 (the vehicle is driven by evaporation after the first expansion valve 42. Room cooling) and heat absorption by the water / refrigerant heat exchanger 33 (water cooling by the evaporating action after the second expansion valve 43). Furthermore, the cooling water of the engine 3 and the inverter 7 is cooled by the water / refrigerant heat exchanger 33, and the battery 5 is cooled by the battery heat exchanger 35.

 As a configuration of this system, the refrigerant passing through the first expansion valve 42 is first heat-exchanged by the passenger compartment heat exchanger 34 by switching the flow path of the second four-way valve 41 immediately after the first expansion valve 42. The passenger compartment 2 will be cooled. That is, cooling of the passenger compartment is prioritized. Next, the refrigerant is throttled by the second expansion valve 43 and then heat-exchanged by the water / refrigerant heat exchanger 33 to cool the engine and / or inverter (motor) cooling water.

 Further, the cooling of the battery 5 will be described (when the battery temperature exceeds the upper limit value), the air is taken in from the outside via the damper 65 or the air cooled from the passenger compartment is opened, and the bypass valve 49 is opened. The battery heat exchanger 35 is operated to exchange heat, and the air that has been exchanged and cooled is supplied to the battery 5 through the fan 61 to cool the battery. Furthermore, a damper 64 communicating with the vehicle interior is provided in the illustrated position in the air passage cooled by the battery heat exchanger 35, and the vehicle interior can be cooled by appropriately opening the damper 64 (the battery temperature can be reduced). Can detect and control cabin cooling in relation to the need for battery cooling).

 The heater core 17 heats the air by flowing the engine and / or inverter (motor) circulating water through the finned pipe, and is mixed with the air that has been heat-exchanged by the passenger compartment heat exchanger 34 and cooled. Create optimal temperature. Dampers 52 and 53 are respectively provided on the inlet / outlet side of the heater core 17 so that the opening degree thereof is controlled. Moreover, each component, such as a three-way valve, a two-way valve, a refrigerant pipe, and a cooling water pipe, shown in FIG. 1 is arranged as shown in the figure and performs each function.

  Repetitive description of the vehicle interior cooling / equipment cooling cycle (cooling priority) absorption / dissipation system shown in FIG. 1 requires that the interior of the passenger compartment 2 must be cooled, and the drive system such as the engine 3 has a high load (high output). When the cooling water temperature rises, the cooling water is cooled by a heat pump. When the temperature of the battery 5 exceeds or is expected to exceed the control upper limit, the bypass valve 49 is opened to cool the supply air to the battery 5.

  A bypass valve 47 (which bypasses the water / refrigerant heat exchanger 33 but is not necessarily an essential component) and a three-way valve 216 (water / refrigerant heat exchange with the radiator 6) according to the load of the drive system of the engine 3 The degree of heat exchange between water and the refrigerant is controlled.

  Adjustment of the opening degree of the bypass valve 47 can be used for superheat control of compressor suction performed by an air conditioner or the like. Further, the bypass valve 44 (the valve that bypasses the first expansion valve 42) and the bypass valve 45 (the valve that bypasses the second expansion valve 43) may be omitted, but when the resistance of the expansion valves 42 and 43 is large. By arranging the valves 44 and 45 having a small resistance coefficient in parallel, the flow rate can be secured even when the expansion valve is not used. In the drawing, the black valve 44 represents a closed state.

  The heater core 17 (for example, a finned pipe disposed in the air passage to the passenger compartment) is dehumidified by the passenger compartment heat exchanger 34 when it is desired to perform dehumidification without reducing the temperature in the passenger compartment 2 so much. Used to reheat air. The reheating amount at that time is controlled by the front and rear dampers 52 and 53.

  Next, the heat absorbing / dissipating system of the vehicle compartment cooling / equipment cooling cycle (cooling priority) shown in FIG. 2 will be described. In the heat absorbing / dissipating system of FIG. 2, the compressor 30, the first four-way valve 40, and the outside air heat exchanger 31. The first expansion valve 42, the second four-way valve 41, the water / refrigerant heat exchanger 33, the second expansion valve 43, the vehicle compartment heat exchanger 34 (and / or the battery heat exchanger 35), the second four-way valve 41, A cooling / cooling cycle is formed by the system of the first four-way valve 40 and the compressor 30, and heat is radiated by the outdoor air heat exchanger 31 and heat is absorbed by the water / refrigerant heat exchanger 33 (evaporation action after the first expansion valve 42). Water cooling) and heat absorption by the passenger compartment heat exchanger 34 (cooling of the passenger compartment by the evaporation action after the second expansion valve 43). The configuration and arrangement of the other components are the same as in FIG.

 2, the refrigerant passing through the first expansion valve 42 is first switched by the water / refrigerant heat exchanger 33 by switching the flow path of the second four-way valve 41 immediately after the first expansion valve 42. Heat exchange is performed to cool the engine and / or inverter (motor) cooling water. That is, priority is given to cooling in the water / refrigerant heat exchanger 33. Next, after the refrigerant is throttled by the second expansion valve 43, heat is exchanged by the passenger compartment heat exchanger 34 to cool the passenger compartment 2.

  The heat absorption / radiation system shown in FIG. 2 needs to cool the interior of the vehicle and gives priority to cooling water cooling when the engine drive system has a high load (high output) and the cooling load is small. Use. When the battery temperature exceeds or is expected to exceed the control upper limit, the bypass valve 6 is opened to cool the air supplied to the battery.

  The opening degree of the bypass valve 47 (a valve that bypasses the water / refrigerant heat exchanger 33) and the three-way valve 216 is adjusted according to the load of the drive system, and the amount of heat exchange between water and the refrigerant is controlled. In this case, the compressor suction superheat can also be controlled by the opening degree of the bypass valve 48. The bypass valves 44 and 45 may not be provided, but when the resistances of the expansion valves 42 and 43 are large, it is effective to place valves having a small resistance coefficient in parallel.

  In addition, the heater core 17 is used to reheat air that has been cooled and dehumidified by heat exchange in the passenger compartment when it is desired to perform dehumidification without lowering the temperature in the passenger compartment. The amount of reheating is controlled by the front and rear dampers 52 and 53.

  Next, the heat absorbing / dissipating system of the vehicle compartment heating / equipment cooling cycle shown in FIG. 3 will be described. In the heat absorbing / dissipating system shown in FIG. 3, the compressor 30, the first four-way valve 40, the second four-way valve 41, the passenger compartment Heat exchanger 34 (and / or battery heat exchanger 35), second expansion valve 43, water / refrigerant heat exchanger 33, first expansion valve 42, outside air heat exchanger 31, first four-way valve 40, compressor 30 A vehicle compartment heating / equipment cooling cycle is formed in this system, heat is dissipated by the vehicle compartment heat exchanger 34 (vehicle compartment heating), and heat is absorbed by the water / refrigerant heat exchanger 33 by the second expansion valve 43 (cooling water cooling). The heat is absorbed by the outside air heat exchanger 31. The configuration and arrangement of the other components are the same as in FIG.

  As a configuration of the system shown in FIG. 3, the vehicle compartment can be heated by the damper 54, the fan 51, and the vehicle compartment heat exchanger 34, and the vehicle compartment can be heated by the heater core 17 with the air passing through the dampers 52 and 53. The refrigerant passing through the second expansion valve 43 is heat-exchanged by the water / refrigerant heat exchanger 33 to cool the engine and / or inverter (motor) cooling water (the three-way valve 216 supplies water / The cooling water is cooled by flowing into the refrigerant heat exchanger 33). That is, a vehicle compartment heating / equipment cooling cycle is formed.

  3 needs to heat the interior of the vehicle and heats the interior of the vehicle by performing a heat pump operation using cooling water as a heat source when it is desired to cool the drive system such as an engine. In the heating operation cycle, the bypass valve 46 is controlled to prevent the outside air heat exchanger 31 from frosting, and the coolant temperature control is performed by controlling the bypass valve 47. The bypass valve 46 can also be used to control superheat of the compressor suction.

  Next, the heat absorbing / dissipating system of the vehicle compartment cooling / equipment heating cycle shown in FIG. 4 will be described. In the heat absorbing / dissipating system shown in FIG. 4, the compressor 30, the first four-way valve 40, the outside air heat exchanger 31, the first Expansion valve 42, second four-way valve 41, water / refrigerant heat exchanger 33, second expansion valve 43, passenger compartment heat exchanger 34 (and / or battery heat exchanger 35), second four-way valve 41, first four-way The casing 40 and the compressor 30 form a vehicle compartment cooling / equipment heating cycle. The outside air heat exchanger 31 radiates heat, the water / refrigerant heat exchanger 33 radiates heat (heats the cooling water), and the second expansion valve. 43 (bypass valve 45 is closed), the vehicle compartment heat exchanger 34 absorbs heat (cools the cabin). The configuration and arrangement of the other components are the same as in FIG.

  The configuration of the system shown in FIG. 4 is employed when it is necessary to cool the passenger compartment and heat the engine. The heated cooling water is circulated by the electric pump 13 to keep the engine 3 warm. The control of the heating amount and the cooling water temperature is controlled by the bypass valve 46 and the three-way valve 216. Further, the cooling water is preferably bypassed the radiator 6 by the three-way valve 215.

  The system of FIG. 4 assumes cooling of the battery 5 during charging in the plug-in system, cooling of the passenger compartment, and warming up. In order to cool the battery during charging, the damper 65 is opened and closed so that the air is sucked from the lower temperature in the passenger compartment and outside air. In the case where the sucked air is cooled by the battery heat exchanger 35, if there is a sufficient cycle, the cooling air can be provided into the vehicle interior using the damper 64 and precooled. In addition, when it is desired to perform dehumidification without lowering the temperature in the passenger compartment, the air cooled and dehumidified by the passenger compartment heat exchanger 34 can be reheated by the heater core 17.

  Next, the heat absorbing / dissipating system of the vehicle compartment heating / equipment heating cycle (heating priority) shown in FIG. 5 will be described. In the heat absorbing / dissipating system of FIG. 5, the compressor 30, the first four-way valve 40, and the second four-way valve 41. , The passenger compartment heat exchanger 34 (and / or the battery heat exchanger 35), the second expansion valve 43, the water / refrigerant heat exchanger 33, the first expansion valve 42, the outside air heat exchanger 31, the first four-way valve 40, The compressor 30 system forms a vehicle compartment heating / equipment heating cycle (heating priority). Heat is dissipated in the vehicle compartment heat exchanger 34 (vehicle compartment heating), and heat is dissipated in the water / refrigerant heat exchanger 33 (cooling water is supplied). Heat), and heat is absorbed by the outside air heat exchanger 31. Here, since the passenger compartment heat exchanger 34 is installed closer to the compressor 30 than the water / refrigerant heat exchanger 33, heat release (heating) of the passenger compartment heat exchanger 34 is given priority.

  The configuration of this system is employed when the vehicle interior needs to be heated and a cycle for heating the engine is formed. Cooling water heated by the water / refrigerant heat exchanger 33 is circulated by the electric pump 13 to keep the engine 3 warm. In addition, in the case where heating of the battery during charging in the plug-in system (such as when the temperature is low) or heating and warming up of the vehicle interior is assumed, the cooling water temperature rises to some extent and priority is given to heating the vehicle interior. It is a driving method. Further, by opening / closing the damper 65 according to the detected temperature of the battery 5, it is selected whether the intake air is outside air or the passenger compartment. Furthermore, when the battery temperature is cooled below the reference, the inlet air may be heated by the battery heat exchanger 35.

  Next, the heat absorbing / dissipating system of the vehicle compartment heating / equipment heating cycle (heating priority) shown in FIG. 6 will be described. In the heat absorbing / dissipating system of FIG. 6, the compressor 30, the first four-way valve 40, and the second four-way valve 41. , Water / refrigerant heat exchanger 33, second expansion valve 43, vehicle compartment heat exchanger 34 (and / or battery heat exchanger 35), second four-way valve 41, first expansion valve 42, outside air heat exchanger 31, The first four-way valve 40 and the compressor 30 form a vehicle compartment heating / equipment heating cycle (heating priority), and the water / refrigerant heat exchanger 33 radiates heat (heats the cooling water), and the vehicle compartment heat exchanger. The heat is dissipated at 34 (vehicle compartment heating) and is absorbed by the outside air heat exchanger 31. Here, since the water / refrigerant heat exchanger 33 is installed closer to the compressor 30 than the passenger compartment heat exchanger 34, heat radiation (heating) of the water / refrigerant heat exchanger 33 has priority.

  The configuration of this system is employed when the vehicle interior needs to be heated and a cycle for heating the engine is formed. Cooling water heated by the water / refrigerant heat exchanger 33 is circulated by the electric pump 13 to keep the engine 3 warm (cleaning of exhaust gas at the time of engine cold start can be achieved). Further, the system shown in FIG. 6 assumes cooling of the battery 5 during charging in the plug-in system, heating of the vehicle interior, and warming up, and cooling is performed in order to raise the vehicle interior temperature to some extent and heat the engine. This is an operation method when priority is given to heating of water.

  Next, FIG. 7 shows the components in the heat absorption / dissipation system according to the embodiment of the present invention and the cycle control device for controlling based on the detected amounts.

  The outline of the control mode of the heat absorption / dissipation system according to the present embodiment will be described with reference to FIG. For example, the four-way valve 1 (40), the four-way valve 2 (41), the expansion valve 1 (42), the expansion valve 2 (43), and the switching damper 1 (52) shown in FIG. It corresponds to the valve 40, the second four-way valve 41, the first expansion valve 42, the second expansion valve 43, and the damper 52, respectively.

  In FIG. 7, the air conditioning setting input means 310 and the warming-up setting input means 311 are used to input the air-conditioning setting and the warm-up setting, and the outside air temperature sensor 301, the cooling water temperature sensor 302, the battery temperature sensor 303, and the battery temperature upper and lower limit settings. While referring to the values 304 and 305, the temperature of the passenger compartment temperature sensor 306, the system output of the hybrid system controller 307 and the engine controller 308, the output of the timer 312 and the compressor 30, and the valve openings of various valves, The operation mode of the heat pump cycle of cooling, heating / cooling, cooling / heating, and heating / heating is determined, and the rotation speed of the compressor 30 and the rotation speed of the outdoor fan 15 are determined.

  In order to realize the determined operating state of any one heat pump cycle, compressor rotation speed (inverter frequency), various four-way valves, expansion valves, two-way valves (bypass valves), cooling water electric pumps, three-way valves Adjust the opening. Further, the operation switching of the ventilation path of the battery 5 and the heat pump cycle is performed using the vehicle compartment temperature, the outside air temperature, the vehicle compartment set temperature, the battery temperature, and the upper limit value and the lower limit value of the battery temperature detected by various sensors.

  It is detected that charging using an external power source (plug-in charging) has started (in the example of FIG. 7, charging is detected by the battery controller 309 and the motor / generator operation of the hybrid system controller 307 is not performed. In the case of determination of charging), the heat pump is operated and controlled, and the cooling water or the engine and the passenger compartment are adjusted to a predetermined temperature.

  Here, in the case of charging using an external power supply, the first start time of the previous day is stored, or a history of past start times is stored, and the start time of the next day is estimated from the history, or by the user The start time can be set, and the warming of the cooling water or the pre-cooling / heating of the passenger compartment is started at a time that is a predetermined time before the set start time. A predetermined time for determining the time to start warm-up or pre-cooling / heating is determined based on the passenger compartment temperature, the coolant temperature, the outside air temperature, and the passenger compartment target temperature. As a specific control mode in the cycle control apparatus shown in FIG. 7 described above, a conventionally known control method may be employed.

  Next, the role of each heat exchanger and the state of each valve (various valves) in each operation mode of the heat absorption / dissipation system according to this embodiment shown in FIGS. 1 to 6 will be described collectively with reference to FIG. .

  In the operation mode of the vehicle compartment cooling / equipment cooling (cooling priority) shown in FIG. 1, the outdoor air heat exchanger 31 is a condenser, the water / refrigerant heat exchanger 33 is an evaporator, and the vehicle compartment heat exchanger 34 is evaporated. The first four-way valve 40 is installed between the compressor 30 and the outside air heat exchanger 31, and the second four-way valve 41 is installed between the outside air heat exchanger 31 and the vehicle compartment heat exchanger 34. The opening degree of the expansion valve 42 is controlled, and the second expansion valve 43 is fully opened. The bypass valve 44 is fully closed and the bypass valve 45 is fully opened (the bypass valve may not be essential). In the vehicle compartment cooling / equipment cooling (cooling priority) operation mode shown in FIG. 2, the second four-way valve 41 is installed between the outside air heat exchanger 31 and the water / refrigerant heat exchanger 33. Except for this, it is the same as the operation mode of FIG.

  Next, in the passenger compartment heating / equipment cooling operation mode shown in FIG. 3, the passenger compartment heat exchanger 34 functions as a condenser, the water / refrigerant heat exchanger 33 functions as an evaporator, and the outside air heat exchanger 31 functions as an evaporator. The first four-way valve 40 is installed between the compressor 30 and the second four-way valve 41, the second four-way valve 41 is installed between the first four-way valve 40 and the vehicle interior heat exchanger 34, and the first expansion valve 42 is installed. Is fully open, and the opening of the second expansion valve 43 is controlled. The bypass valve 44 is fully opened and the bypass valve 45 is fully closed (the bypass valve may not be essential).

  In the vehicle compartment cooling / equipment heating operation mode shown in FIG. 4, the outdoor air heat exchanger 31 functions as a condenser, the water / refrigerant heat exchanger 33 functions as a condenser, and the vehicle interior heat exchanger 34 functions as an evaporator. The first four-way valve 40 is installed between the compressor 30 and the outside air heat exchanger 31, and the second four-way valve 41 is installed between the outside air heat exchanger 31 and the water / refrigerant heat exchanger 33, and the first expansion valve 42 is installed. Is fully open, and the opening of the second expansion valve 43 is controlled. The bypass valve 44 is fully opened and the bypass valve 45 is fully closed (the bypass valve may not be essential).

  In the vehicle compartment heating / equipment heating (heating priority) operation mode shown in FIG. 5, the vehicle compartment heat exchanger 34 is a condenser, the water / refrigerant heat exchanger 33 (combined heat exchanger) is a condenser, and the outside air. The heat exchanger 31 functions as an evaporator, the first four-way valve 40 is between the compressor 30 and the vehicle compartment heat exchanger 34, and the second four-way valve 41 is the water / refrigerant heat exchanger 33 and the outside air heat exchanger 31. The opening degree of the first expansion valve 42 is controlled, and the second expansion valve 43 is fully opened. The bypass valve 44 is fully closed and the bypass valve 45 is fully opened (the bypass valve may not be essential). In the vehicle compartment cooling / equipment cooling (heating priority) operation mode shown in FIG. 6, except that the second four-way valve 41 is installed between the vehicle compartment heat exchanger 34 and the outside air heat exchanger 31. This is the same as the operation mode of FIG.

  Next, the operation of the electric pump 13 and the engine drive pump 10 in the heat absorption / dissipation system according to the present embodiment will be described on condition of the vehicle state and the engine state with reference to FIG.

  First, when the engine 3 is stopped when the vehicle is running, the engine drive pump 10 is naturally stopped and the electric pump 13 is operating. When the engine 3 is operating, the engine drive pump 10 operates and the electric pump 13 stops. If the engine drive pump 10 stops due to a failure when the engine 3 is operating, the electric pump 13 is operated so that the cooling water circulates. However, in the case of this failure stop, it is assumed that an electric pump exists in the engine coolant system.

  Next, when the engine 3 is stopped when the vehicle is stopped, the engine drive pump 10 is naturally stopped and the electric pump 13 is operating. When the engine 3 is operating, the engine drive pump 10 operates and the electric pump 13 stops. If the engine drive pump 10 stops due to a failure when the engine 3 is operating, the electric pump 13 is operated so that the cooling water circulates.

  FIG. 10 shows an example of the configuration of the heat absorption / dissipation system according to the embodiment of the present invention. The operation mode is the same as the vehicle compartment heating / equipment heating cycle (heating priority) shown in FIG. This is an example in which the cooling water system and the hybrid cooling water system are separate systems.

  Since the basic operation (vehicle compartment heating / equipment heating cycle (heating priority)) shown in FIG. 10 is the same as that of the heat absorption / dissipation system in FIG. The difference is that the engine cooling water system and the hybrid cooling water system are separate systems, and an electric pump 18 is added to the engine cooling water system. Even if the engine-driven pump breaks down, water can be passed and fail-safe can be secured.

  FIG. 11 shows another configuration example of the heat absorption / dissipation system according to the embodiment of the present invention, and the operation mode is the same as the vehicle compartment heating / equipment cooling cycle shown in FIG. It is an example which makes a hybrid cooling water system another system. The basic operation (cabinet heating / equipment cooling cycle) shown in FIG. 11 is the same as that of the heat absorption / dissipation system in FIG. The difference is an example in which the engine cooling water system and the hybrid cooling water system are different systems, and the engine cooling water system is connected to the water / refrigerant heat exchanger 33.

  FIG. 12 shows a configuration example of only the engine cooling water system in the heat dissipation / radiation system according to the embodiment of the present invention, and the operation mode is the same as the vehicle compartment heating / equipment heating cycle (heating priority) shown in FIG. This is a configuration example that is driven only by the engine. Since the basic operation (vehicle compartment heating / equipment heating cycle (heating priority)) shown in FIG. 11 is the same as that of the heat absorption / dissipation system in FIG. The difference is that the automobile is driven only by the engine, and further, an electric pump 18 is provided in the engine cooling water system. In the case of engine warm-up, it is also effective to bypass the heater core 17 with the three-way valve 217. FIG. 12 shows that the heat absorbing / dissipating system according to the present embodiment can be applied to an automobile having only an ordinary engine that does not have an HV system. Similarly, the present invention can also be applied to electric vehicles and fuel cell vehicles that do not have an engine by replacing the engine shown in FIG. 12 with another drive system.

  As described above, when the absorption and radiation system according to the embodiment of the present invention is summarized, the following structural features are provided. That is, as a configuration of the vehicle heat absorption / dissipation system according to the present embodiment, a first four-way valve is arranged between the discharge side of the compressor and the outside air heat exchanger to cool the power equipment (engine or motor (inverter)). A second four-way valve is disposed between the heat exchanger (water / refrigerant heat exchanger) that enables heat exchange between the medium (cooling water) and the refrigerant of the heat pump and the outside air heat exchanger, and the outside air heat exchanger. A first expansion valve is disposed between the first and second four-way valves, a second expansion valve is disposed between the water / refrigerant heat exchanger and the passenger compartment heat exchanger, and the first four-way valve and the second four-way valve are disposed. By switching the refrigerant flow path with the four-way valve and controlling the opening degree of the first expansion valve and the second expansion valve, an operation mode (cooling of the vehicle interior, heating, cooling of the power equipment, heating) Cooling / equipment cooling (cooling priority), cabin cooling / equipment cooling (cooling priority), cabin heating / equipment cooling, car Cooling-apparatus heating the passenger compartment heating and equipment heating (heating priority), which switches the passenger compartment heating and equipment heating (heating priority)).

  Moreover, in the said heat absorption / radiation system, it is set as the structure which arrange | positions an electric pump in the cooling water system | strain containing a water / cooling heat exchanger. With this configuration, when the engine is stopped, the cooling water system is heated to allow the engine to warm up when charging by an external power source (plug-in method).

  In addition, a battery is arranged in a duct communicating with the inside and outside of the vehicle, and a bypass path connecting the inside of the vehicle and the inside of the vehicle and the duct and the outside of the vehicle, and an opening / closing device (damper) for selecting the flow path are provided, The battery heat exchanger connected to the heat pump cycle is installed in the connecting duct. With this configuration, the temperature of the battery is controlled at the time of charging using an external power source, and at the same time, the vehicle interior can be cooled and heated in advance.

  The following control methods can be implemented by providing the configuration of the above-described automobile air-absorbing / dissipating system according to this embodiment, and these control methods are also included in this embodiment. That is, with reference to FIG. 1 and FIG. 8, when vehicle compartment cooling / equipment cooling (cooling priority) is set based on driver requirements and various conditions (for example, engine temperature), the first four-way The valve 40 is switched to connect the compressor and the outside air heat exchanger, the second four-way valve 41 is switched to connect the outside air heat exchanger and the vehicle compartment heat exchanger, and the opening degree of the first expansion valve 42 is controlled. The second expansion valve 43 is controlled to be fully opened. Similarly, when the vehicle compartment cooling / equipment cooling (cooling priority) is set (for example, when the engine temperature or the battery temperature is high), the first four-way valve 40 will be described with reference to FIGS. Is switched to connect the compressor and the outside air heat exchanger, the second four-way valve 41 is switched to connect the outside air heat exchanger and the water / refrigerant heat exchanger, and the opening degree of the first expansion valve 42 is controlled. Control is performed so that the second expansion valve 43 is fully opened.

  Further, when the vehicle compartment heating / equipment cooling is set, the first four-way valve 40 is switched so as to connect the compressor and the second four-way valve 41, as described with reference to FIGS. 3 and 8. The four-way valve 41 is switched so as to connect the first four-way valve 40 and the vehicle compartment heat exchanger, the first expansion valve 42 is fully opened, and the second expansion valve 43 is controlled to open. Furthermore, when the vehicle compartment cooling / equipment heating is set, referring to FIGS. 4 and 8, the first four-way valve 40 is switched to connect the compressor and the outside air heat exchanger, and the second four-way valve is switched. The valve 41 is switched so as to connect the outside air heat exchanger and the water / refrigerant heat exchanger, the first expansion valve 42 is fully opened, and the second expansion valve 43 is controlled to open.

  Further, when the vehicle compartment heating / equipment heating (heating priority) is set, the first four-way valve 40 is switched to connect the compressor and the second four-way valve as will be described with reference to FIGS. The second four-way valve 41 is switched to connect the first four-way valve and the vehicle compartment heat exchanger, the opening degree of the first expansion valve 42 is controlled, and the second expansion valve 43 is fully opened. Is done. Similarly, when the vehicle compartment heating / equipment heating (heating priority) is set, referring to FIGS. 6 and 8, the first four-way valve 40 is connected to the compressor and the second four-way valve. The second four-way valve 41 is switched to connect the first four-way valve and the water / refrigerant heat exchanger, the opening degree of the first expansion valve 42 is controlled, and the second expansion valve 43 is fully opened. To be controlled. As described in the explanation of FIG. 12, such a control method is not limited to the case where HEV is present.

  Next, the six operation modes described above use the cooling or heating request from the driver, the temperature of the passenger compartment, cooling water, and outside air, and the output request values of the engine, motor, and generator from the hybrid system controller or engine controller. Thus, the operation mode of the heat pump cycle is controlled to be switched. In addition, a duct with a battery installed is provided, a damper that communicates with the outside of the vehicle and the passenger compartment is provided for the duct, and a battery heat exchanger is provided so that the passenger compartment temperature, the outside air temperature, the passenger compartment set temperature, the battery temperature, and the battery temperature can be adjusted. Using the upper limit value and the lower limit value, it is possible to control to switch the opening and closing of the damper installed in the duct. Furthermore, using the vehicle compartment temperature, the outside air temperature, the vehicle compartment set temperature, the battery temperature, the upper and lower limit values of the battery temperature, and the cooling water temperature, the opening and closing of the damper installed in the duct in which the battery is installed is switched, and the heat pump The operation mode of the cycle can be controlled to be switched (for example, when the battery temperature is high, switching control is performed to give priority to cooling of the battery).

  Moreover, an electric motor can be used, and it can also be controlled so that the environmental conditions of the vehicle are adjusted before the engine is used. That is, it has detection means for detecting that charging (plug-in method) to the battery is started by an external power source, and when it is detected that charging has been started, operation control of the heat pump cycle, engine or The engine coolant temperature and the passenger compartment temperature can be controlled to predetermined temperatures.

  Specifically, the first vehicle start time of the previous day is stored, or a history of past start times is stored, and the start time of the next day estimated from the stored history or the start time set by the user On the other hand, control is performed such that warming of the cooling water or pre-cooling / heating of the passenger compartment is started at a time before a predetermined time. At this time, the predetermined time for determining the time for starting the warm-up or pre-cooling heating can be determined by the passenger compartment temperature, the coolant temperature, and the passenger compartment target temperature.

  As described above, in the present embodiment, a water / refrigerant heat exchanger that performs heat exchange between the refrigerant and the cooling water, a four-way valve, and an expansion valve are additionally installed in the heat pump cycle. It is possible to change the function of the heat exchanger to an evaporator or a condenser, and to control various operation modes. Furthermore, the cooling water system is installed in parallel with an electric pump and an engine drive pump, allowing the cooling water to flow regardless of the operation of the engine, and at the same time ensuring fail-safety.

It is a figure explaining the compartment cooling / equipment cooling cycle (cooling priority) in the heat absorption / radiation system according to the embodiment of the present invention. It is a figure explaining the compartment cooling / equipment cooling cycle (cooling priority) in the heat absorption / radiation system according to the present embodiment. It is a figure explaining the vehicle interior heating / equipment cooling cycle in the heat absorption / radiation system according to the present embodiment. It is a figure explaining the compartment cooling / equipment heating cycle in the heat absorption / radiation system according to the present embodiment. It is a figure explaining the vehicle interior heating / equipment heating cycle (heating priority) in the heat absorbing / dissipating system according to the present embodiment. It is a figure explaining the vehicle interior heating / apparatus heating cycle (heating priority) in the heat absorption / radiation system according to the present embodiment. It is a figure showing the component used by the heat pump cycle in the heat absorption / radiation system which concerns on this embodiment. It is a figure showing the role of the heat exchanger and the state of a valve (various valves) in each operation mode of the heat absorption and radiation system concerning this embodiment. It is a figure showing the operation state of an electric pump and an engine drive pump in an absorption-and-radiation system concerning this embodiment. It is a figure which shows one structural example which makes an engine cooling water system | strain and a hybrid cooling water system | strain in another system in the heat absorption / radiation system which concerns on embodiment of this invention. It is a figure which shows the other structural example which makes an engine cooling water system | strain and a hybrid cooling water system | strain another system in the heat absorption / radiation system which concerns on embodiment of this invention. It is a figure which shows the structural example of only an engine cooling water system | strain in the heat absorption / radiation system which concerns on embodiment of this invention.

Explanation of symbols

1: automobile, 2: vehicle compartment, 3: engine, 4: throttle body, 5: battery, 6: radiator, 7: inverter, 8: motor, 9: generator, 10: engine drive pump, 11: power transmission means, 12: Check valve 1, 13: Electric pump, 14: Check valve 2, 15: Fan, 17: Heater core, 18: Electric pump 2, 30: Compressor, 31: Outside air heat exchanger, 33: Water / refrigerant Heat exchanger, 34: indoor heat exchanger, 35: battery chamber heat exchanger, 36: compressor inverter, 40: first four-way valve, 41: second four-way valve, 42: first expansion valve, 43 : Second expansion valve, 44 to 49: two-way valve, 50, 55, 60, 62, 63: duct, 51, 61: fan, 52, 53, 54, 64, 65: damper, 101-107: refrigerant Piping,
200, 202, 204, 210, 212, 220: cooling water piping, 215, 216, 217: three-way valve, 300: cycle control device, 301: outside air temperature sensor, 302: cooling water temperature sensor, 303: battery temperature sensor, 304: battery temperature upper limit value, 305: battery temperature lower limit value, 306: vehicle compartment temperature sensor, 307: engine controller, 308: hybrid system controller, 309: battery controller, 310: air conditioning setting input means, 311: warm air setting input means 312: Timer,

Claims (12)

A heat absorbing / dissipating system for an automobile, comprising: a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, a heat pump cycle having an interior heat exchanger, and an engine system having an engine and an engine cooling water system. In
A water / refrigerant heat exchanger capable of exchanging heat between the engine cooling water and the heat pump cycle refrigerant, a second four-way valve, and a second expansion valve;
The first four-way valve is arranged on a pipe line connecting the compressor and the outside air heat exchanger, and the second four-way valve is arranged on a pipe line connecting the outside air heat exchanger and the water / refrigerant heat exchanger. And
The first expansion valve is disposed on a pipe line connecting the outside heat exchanger and the second four-way valve, and the second expansion valve is a pipe connecting the water / refrigerant heat exchanger and the vehicle interior heat exchanger. Placed on the street,
The refrigerant flow path is switched by the first four-way valve and the second four-way valve, and further, the first expansion valve and the second expansion valve are fully opened or the opening degree is controlled. An automobile heat absorbing and radiating system characterized in that an operation mode combining heating and cooling or heating of equipment including an engine or a motor can be selected. In claim 1,
The operation modes are: cabin cooling / equipment cooling (cooling priority) cycle, cabin cooling / equipment cooling (cooling priority) cycle, cabin heating / equipment cooling cycle, cabin cooling / equipment heating cycle, cabin heating / equipment One of a heating (heating priority) cycle and a vehicle compartment heating / equipment heating (heating priority) cycle is formed. In claim 1 or 2,
An electric pump is interposed in a cooling water system including the water / refrigerant heat exchanger, and the cooling water is circulated by the operation of the electric pump by the battery when the battery is charged by an external power source. Heat dissipation system. In claim 1 or 2,
A battery is installed in a duct communicating with the inside and outside of the vehicle, and a first passage connecting the duct and the inside of the vehicle and a second passage connecting the duct and the outside of the vehicle are provided on the upstream side of the battery, and the first and second A damper is installed in each of the passages,
A heat exchanger connected to the heat pump cycle is installed in a duct between the first and second passages. A heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method of a heat absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat with a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is controlled so as to form a refrigerant flow path between the compressor and the outside air heat exchanger, and the second four-way valve is exchanged between the outside air heat exchanger and the vehicle interior heat exchange. The first expansion valve disposed between the outside air heat exchanger and the second four-way valve is controlled in opening so as to form a refrigerant flow path between the outside air heat exchanger and the water / The second expansion valve disposed between the refrigerant heat exchanger and the vehicle interior heat exchanger is fully opened to select an operation mode of vehicle interior cooling / equipment cooling (cooling priority). A method for controlling an automobile heat absorption and heat dissipation system. A heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method of a heat absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat with a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is switch-controlled so as to form a refrigerant flow path between the compressor and the outside air heat exchanger, and the second four-way valve is switched between the outside air heat exchanger and the water / refrigerant heat. The first expansion valve disposed between the outside heat exchanger and the second four-way valve is controlled in opening so as to form a refrigerant flow path with the exchanger, and the water / The second expansion valve disposed between the refrigerant heat exchanger and the vehicle interior heat exchanger is fully opened to select an operation mode of vehicle interior cooling / equipment cooling (cooling priority). A control method of an automobile heat absorption and heat dissipation system. A heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method of a heat absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat with a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is controlled to be switched so as to form a refrigerant flow path between the compressor and the second four-way valve, and the second four-way valve is connected to the first four-way valve and the vehicle interior. The first expansion valve disposed between the outside heat exchanger and the second four-way valve is fully opened and controlled so as to form a refrigerant flow path with the heat exchanger. / The second expansion valve disposed between the refrigerant heat exchanger and the vehicle interior heat exchanger is controlled in opening so as to select an operation mode of vehicle interior heating / equipment cooling. A control method for an automobile heat absorption and heat dissipation system. A heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method of a heat absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat with a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is switch-controlled so as to form a refrigerant flow path between the compressor and the outside air heat exchanger, and the second four-way valve is switched between the outside air heat exchanger and the water / refrigerant heat. The first expansion valve disposed between the outside heat exchanger and the second four-way valve is fully opened and controlled to form a refrigerant flow path with the exchanger, and the water / The second expansion valve disposed between the refrigerant heat exchanger and the vehicle interior heat exchanger is controlled in opening to select an operation mode of vehicle interior cooling / equipment heating. Control method of heat absorption and heat dissipation system. A heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method of a heat absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat with a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is controlled to be switched so as to form a refrigerant flow path between the compressor and the second four-way valve, and the second four-way valve is connected to the first four-way valve and the vehicle interior. Switching control is performed so as to form a refrigerant flow path with the heat exchanger, and the first expansion valve disposed between the outside heat exchanger and the second four-way valve is controlled in opening degree, The second expansion valve disposed between the water / refrigerant heat exchanger and the vehicle interior heat exchanger is fully opened to select an operation mode of vehicle interior heating / equipment heating (heating priority). A method for controlling an air absorption / dissipation system of an automobile. A heat pump cycle having a compressor, a first four-way valve, an outside air heat exchanger, a first expansion valve, and a vehicle interior heat exchanger, and an engine system having an engine and an engine cooling water system. In a control method of a heat absorption / dissipation system of an automobile provided with a water / refrigerant heat exchanger capable of exchanging heat with a heat pump cycle refrigerant, a second four-way valve, and a second expansion valve,
The first four-way valve is switch-controlled so as to form a refrigerant flow path between the compressor and the second four-way valve, and the second four-way valve is connected to the first four-way valve and the water / Switching control is performed so as to form a refrigerant flow path with the refrigerant heat exchanger, and the opening degree of the first expansion valve disposed between the outside air heat exchanger and the second four-way valve is controlled, The second expansion valve disposed between the water / refrigerant heat exchanger and the vehicle interior heat exchanger is fully opened to select an operation mode of vehicle interior heating / equipment heating (heating priority). A control method for an automobile heat absorption and heat dissipation system. In any one of claims 5 to 10,
The operation mode is selected based on the cooling or heating request from the driver, the temperature of the passenger compartment, cooling water, or outside air, and the motor and engine output request values from the hybrid system controller or engine controller. A control method of an automobile heat absorption and heat dissipation system. In any one of claims 5 to 10,
A battery is installed in a duct communicating with the inside and outside of the vehicle, and a first passage connecting the duct and the inside of the vehicle and a second passage connecting the duct and the outside of the vehicle are provided on the upstream side of the battery, and the first and second A damper is provided in the passage, and a heat exchanger connected in parallel with the vehicle interior heat exchanger is provided in a duct between the first and second passages,
Control is performed to switch opening and closing of the dampers of the first and second passages installed in the duct based on the passenger compartment temperature, the outside air temperature, the passenger compartment set temperature, the battery temperature, and the upper and lower limits of the battery temperature. A control method for an automobile heat absorption and heat dissipation system.

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