CN112549905B

CN112549905B - Hybrid vehicle, control method thereof, processor and vehicle system

Info

Publication number: CN112549905B
Application number: CN202011555756.4A
Authority: CN
Inventors: 刘新昌; 朱守朝; 邹泳坚; 黄传曦
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-05-27
Anticipated expiration: 2040-12-24
Also published as: CN112549905A

Abstract

The present application provides a hybrid vehicle, a control method thereof, a processor, and a vehicle system, wherein the hybrid vehicle includes: an engine comprising an exhaust gas outlet; the vehicle internal heat pump air conditioning device comprises an external heat exchanger, a heat medium inlet of the external heat exchanger is communicated with a tail gas outlet, and the external heat exchanger is also connected with a first end of a first three-way valve. In this mix dynamic type vehicle, the engine produces tail gas, carry out the heat transfer through the waste heat with the outer heat exchanger of tail gas, heat supply in for the driver's cabin, guaranteed the interior heat pump air conditioning equipment of car from taking through the vehicle, can utilize the tail gas waste heat to come for the vehicle heat supply better, economy is higher, and owing to not addding other devices, it is comparatively simple to have guaranteed the air conditioning system of vehicle, has avoided utilizing the vehicle air conditioning system of vehicle tail gas waste heat among the prior art to need add refrigerating plant and has leaded to the relatively poor problem of economy.

Description

Hybrid vehicle, control method thereof, processor and vehicle system

Technical Field

The present application relates to the field of vehicles, and more particularly, to a hybrid vehicle, a control method thereof, a computer-readable storage medium, a processor, and a vehicle system.

Background

At present, the related art discloses a vehicle air conditioning system using waste heat of vehicle exhaust, and the system generates steam by collecting heat of vehicle exhaust, and then achieves the purpose of refrigeration through a lithium bromide absorption type air conditioning system. The system is additionally provided with a set of refrigerating device, is overstaffed, has low economical efficiency and cannot fully utilize the steam compression type vehicle air conditioning system of the original vehicle.

The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.

Disclosure of Invention

The main objective of the present application is to provide a hybrid vehicle, a control method thereof, a computer-readable storage medium, a processor and a vehicle system, so as to solve the problem in the prior art that the economy is poor due to the need of adding a cooling device in a manner of utilizing the waste heat of the exhaust gas of the vehicle.

According to an aspect of an embodiment of the present invention, there is provided a hybrid vehicle including an engine and an in-vehicle heat pump air conditioner, wherein the engine includes a tail gas outlet; the vehicle internal heat pump air conditioning device comprises an external heat exchanger, a heat medium inlet of the external heat exchanger is communicated with a tail gas outlet, and the external heat exchanger is also connected with a first end of a first three-way valve.

Optionally, the hybrid vehicle further comprises an exhaust gas treatment module, and the exhaust gas treatment module is connected with a heat medium inlet of the exterior heat exchanger.

Optionally, the in-vehicle heat pump air conditioning device further includes an electric compressor, a gas-liquid separator, a first in-vehicle heat exchanger, a first electronic expansion valve, and a second in-vehicle heat exchanger, where the electric compressor includes an air suction end and an air discharge end, and the air discharge end is connected to the second end of the first three-way valve; one end of the gas-liquid separator is connected with the air suction end, and the other end of the gas-liquid separator is connected with the third end of the first three-way valve through a second control valve; one end of the first vehicle interior heat exchanger is connected with a first end of the first three-way valve through a third control valve, a connecting pipeline of the first vehicle interior heat exchanger and the third control valve is a first pipeline, a connecting pipeline between the gas-liquid separator and the second control valve is a second pipeline, and the first pipeline is communicated with the first pipeline; the first electronic expansion valve comprises a first end and a second end, the first end of the first electronic expansion valve is connected with the other end of the first vehicle interior heat exchanger through a fourth control valve, and the second end of the first electronic expansion valve is connected with the vehicle exterior heat exchanger; the first end of the second in-vehicle heat exchanger is connected with the third end of the first three-way valve, the second end of the second in-vehicle heat exchanger is connected with the first end of the first electronic expansion valve through a fifth control valve, and the fifth control valve is connected with the first end of the second in-vehicle heat exchanger through a sixth control valve.

Optionally, the vehicle interior heat pump air conditioning device further includes an HVAC core, a coolant heat exchanger, a circulating pump, and an exterior water tank heat exchanger, wherein two ends of the HVAC core are communicated with two first ends of the coolant heat exchanger in a one-to-one correspondence manner, two second ends of the coolant heat exchanger are connected with two first ends of the circulating pump in a one-to-one correspondence manner, two second ends of the circulating pump are connected with two first ends of the engine in a one-to-one correspondence manner, a second end of the engine is connected with the exterior water tank heat exchanger through a seventh control valve, and the tail gas outlet is connected with one first end of the engine.

Optionally, the seventh control valve is a second three-way valve, and the in-vehicle heat pump air conditioning device further includes a main battery, a main battery heat exchanger and a PTC heater, wherein the main battery heat exchanger is located at one side of the main battery, one end of the main battery heat exchanger is connected to the engine through an eighth control valve, and the other end of the main battery heat exchanger is connected to another first end of the engine through a ninth control valve; one end of the PTC heater is connected with the engine, the other end of the PTC heater is connected with the other first end of the engine through a tenth control valve, and the ninth control valve is arranged between the tenth control valve and the main battery heat exchanger.

Optionally, the hybrid vehicle further includes a water pump, an intermediate heat exchanger, a PTC heater, a vehicle transmission, a transmission heat exchanger, a vehicle electric cabinet, an electric cabinet heat exchanger, a main battery heat exchanger, a driving motor, and a driving motor heat exchanger, wherein the seventh control valve is a four-way valve, wherein a first end of the transmission heat exchanger, a first end of the electric cabinet heat exchanger, a first end of the main battery heat exchanger, and a first end of the driving motor heat exchanger are connected to each other and to the first end of the PTC heater, a second end of the transmission heat exchanger and a second end of the electric cabinet heat exchanger are connected and to the first end of the four-way valve through an eleventh control valve, a second end of the main battery heat exchanger is connected to the first end of the four-way valve through a twelfth control valve, and a second end of the driving motor heat exchanger is connected to the first end of the four-way valve through a thirteenth control valve, the second end of the engine is connected with the second end of the four-way valve, the first end of the water pump is connected with the third end of the four-way valve, the first end of the vehicle exterior water tank heat exchanger is connected with the fourth end of the four-way valve, the second end of the vehicle exterior water tank heat exchanger is communicated with the first end of the water pump, the second end of the water pump is connected with the first end of the intermediate heat exchanger, the second end of the PTC heater is connected with the second end of the intermediate heat exchanger, and the intermediate heat exchanger is further located between the sixth control valve and the first end of the second vehicle interior heat exchanger.

Optionally, the in-vehicle heat pump air conditioning device further includes a piston compressor, a flash evaporator, and a second electronic expansion valve, one end of the piston compressor is connected to the pipeline between the electric compressor and the gas-liquid separator through a fourteenth control valve, the other end of the piston compressor is connected to the pipeline between the first three-way valve and the electric compressor through a fifteenth control valve, one end of the electric compressor is further connected to the first end of the flash evaporator, the second end of the flash evaporator is connected to the first end of the first electronic expansion valve, the third end of the flash evaporator is connected to the first end of the second electronic expansion valve, and the second end of the second electronic expansion valve is connected to the fifth control valve.

According to another aspect of the embodiments of the present invention, there is also provided a control method of the hybrid vehicle, including: acquiring the temperature of the external environment to obtain the temperature of the outer ring; determining whether an engine is operating in the case where the outer ring temperature is less than a first predetermined temperature; and controlling the supply of heat of exhaust gas of the engine to a cab of the hybrid vehicle when the engine is operating.

Optionally, the in-vehicle heat pump air conditioning device further includes an electric compressor, a gas-liquid separator, a first in-vehicle heat exchanger, a first electronic expansion valve, and a second in-vehicle heat exchanger, where the electric compressor includes an air suction end and an air discharge end, and the air discharge end is connected to a second end of the first three-way valve; one end of the gas-liquid separator is connected with the air suction end, and the other end of the gas-liquid separator is connected with the third end of the first three-way valve through a second control valve; one end of the first vehicle interior heat exchanger is connected with a first end of the first three-way valve through a third control valve, a connecting pipeline of the first vehicle interior heat exchanger and the third control valve is a first pipeline, a connecting pipeline between the gas-liquid separator and the second control valve is a second pipeline, and the first pipeline is communicated with the first pipeline; the first electronic expansion valve comprises a first end and a second end, the first end of the first electronic expansion valve is connected with the other end of the first vehicle interior heat exchanger through a fourth control valve, and the second end of the first electronic expansion valve is connected with the vehicle exterior heat exchanger; the first end of the second in-vehicle heat exchanger is connected with the third end of the first three-way valve, the second end of the second in-vehicle heat exchanger is connected with the first end of the first electronic expansion valve through a fifth control valve, the fifth control valve is connected with the first end of the second in-vehicle heat exchanger through a sixth control valve, the in-vehicle heat pump air conditioning device further comprises a piston compressor, a flash evaporator and a second electronic expansion valve, one end of the piston compressor is connected with a pipeline between the electric compressor and the gas-liquid separator through a fourteenth control valve, the other end of the piston compressor is connected with a pipeline between the first three-way valve and the electric compressor through a fifteenth control valve, one end of the electric compressor is further connected with the first end of the flash evaporator, and the second end of the flash evaporator is connected with the first end of the first electronic expansion valve, a third end of the flash evaporator is connected to a first end of the second electronic expansion valve, a second end of the second electronic expansion valve is connected to the fifth control valve, and the heat supply to the cab of the hybrid vehicle using the exhaust gas of the engine is controlled when the engine is operated, including: and controlling tail gas of the engine to enter the heat exchanger outside the vehicle for heat exchange, controlling gas after heat exchange to enter the piston compressor and/or the electric compressor for work, controlling gas exhausted by the electric compressor and/or the piston compressor to enter the second heat exchanger inside the vehicle for heat exchange, and controlling gas after heat exchange to enter a cab of the hybrid vehicle.

Optionally, the in-vehicle heat pump air conditioning device further comprises an HVAC core, a coolant heat exchanger, a circulating pump and an external water tank heat exchanger, wherein two ends of the HVAC core are in one-to-one correspondence with two first ends of the coolant heat exchanger, two second ends of the coolant heat exchanger are respectively in one-to-one correspondence with two first ends of the circulating pump, two second ends of the circulating pump are respectively in one-to-one correspondence with two first ends of the engine, a second end of the engine is connected with the external water tank heat exchanger through a seventh control valve, the tail gas outlet is connected with one first end of the engine, the hybrid vehicle further comprises a water pump, an intermediate heat exchanger, a PTC heater, a vehicle gearbox, a gearbox heat exchanger, a vehicle electric cabinet, an electric cabinet heat exchanger, a main battery heat exchanger, a driving motor and a driving motor heat exchanger, the seventh control valve is a four-way valve, wherein the first end of the gearbox heat exchanger, the first end of the electric cabinet heat exchanger, the first end of the main battery heat exchanger and the first end of the driving motor heat exchanger are connected with each other and with the first end of the PTC heater, the second end of the gearbox heat exchanger and the second end of the electric cabinet heat exchanger are connected and connected with the first end of the four-way valve through an eleventh control valve, the second end of the main battery heat exchanger is connected with the first end of the four-way valve through a twelfth control valve, the second end of the driving motor heat exchanger is connected with the first end of the four-way valve through a thirteenth control valve, the second end of the engine is connected with the second end of the four-way valve, the first end of the water pump is connected with the third end of the four-way valve, and the first end of the water tank heat exchanger outside the vehicle is connected with the fourth end of the four-way valve, the second end of the water tank heat exchanger outside the vehicle is communicated with the first end of the water pump, the second end of the water pump is connected with the first end of the intermediate heat exchanger, the second end of the PTC heater is connected with the second end of the intermediate heat exchanger, the intermediate heat exchanger is also positioned between the sixth control valve and the first end of the second in-vehicle heat exchanger, and after the heat of the exhaust gas of the engine is used for controlling the heat to be supplied to the cab of the hybrid vehicle, the control method further comprises the following steps: determining whether the heat of the exhaust gas is greater than the heat demand of the cab; and under the condition that the heat of the tail gas is greater than the heat demand of the cab, controlling the gas subjected to heat exchange by the heat exchanger outside the vehicle to enter an intermediate heat exchanger for heat exchange so as to heat the heat of the tail gas for the main battery.

Optionally, after obtaining the temperature of the external environment to obtain the outer ring temperature, the control method further includes: controlling a PTC heater to heat the main battery in a case where the outer ring temperature is less than a second predetermined temperature that is less than the first predetermined temperature, so that the hybrid vehicle can be driven in a battery mode; after the hybrid vehicle runs for a preset time in the battery mode, controlling heat in at least one of a gearbox heat exchanger, an electric cabinet heat exchanger, a main battery heat exchanger and a driving motor heat exchanger to enter an intermediate heat exchanger for heat exchange, introducing gas after heat exchange into a second vehicle internal heat exchanger for heat exchange, and introducing the gas after heat exchange into a cab of the hybrid vehicle; and controlling heat in at least one of the gearbox heat exchanger, the electric cabinet heat exchanger, the main battery heat exchanger and the driving motor heat exchanger to heat the engine through the four-way valve.

Optionally, after obtaining the temperature of the external environment to obtain the outer ring temperature, the control method further includes: under the condition that the electric compressor is in the air-supplementing enthalpy-increasing mode, controlling the refrigerant discharged by the electric compressor to enter a second interior heat exchanger for heat release; controlling a part of the gas subjected to heat release to sequentially pass through a second electronic expansion valve and a flash evaporator, and controlling the gas output by the flash evaporator to return to the electric compressor for air supplement and enthalpy increase; and controlling the other part of the gas after heat release to sequentially pass through a second electronic expansion valve, the flash evaporator and the first electronic expansion valve and then enter the heat exchanger outside the vehicle for heat exchange, and controlling the gas after heat exchange to pass through a gas-liquid separator and then return to the electric compressor.

According to still another aspect of embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program executes any one of the control methods.

According to still another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program executes any one of the control methods when running.

According to another aspect of the embodiments of the present invention, there is also provided a vehicle system including: any of the hybrid vehicle, one or more processors, memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for performing any of the control methods.

The utility model provides a mix dynamic type vehicle, include the engine with in-vehicle heat pump air conditioning equipment, the engine includes the tail gas export, in-vehicle heat pump air conditioning equipment includes the exterior heat exchanger, the heat medium entry of exterior heat exchanger with the tail gas export intercommunication, the exterior heat exchanger still is connected with the first end of first three-way valve. In foretell hybrid vehicle, above-mentioned engine produces tail gas, through carrying out the heat transfer with the waste heat of tail gas and above-mentioned outer heat exchanger of car, heat supply in for the driver's cabin has guaranteed through the vehicle heat pump air conditioning equipment of vehicle self-bring, can utilize the tail gas waste heat to supply heat for the vehicle better, and economic nature is higher, and owing to not addding other devices, it is comparatively simple to have guaranteed the air conditioning system of vehicle, has avoided utilizing the vehicle air conditioning system of vehicle tail gas waste heat among the prior art to need add refrigerating plant and leads to the relatively poor problem of economic nature.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

FIG. 1 shows a schematic view of a hybrid vehicle according to an embodiment of the present application;

FIG. 2 shows a schematic view of a hybrid vehicle according to another embodiment of the present application

FIG. 3 shows a schematic flow diagram generated by a control method of a vehicle according to an embodiment of the application;

fig. 4 shows a schematic diagram of a control device of a vehicle according to an embodiment of the application;

FIG. 5 illustrates a vehicle control flow diagram in accordance with a particular embodiment of the present application.

Wherein the figures include the following reference numerals:

100. an engine; 101. a circulation pump; 102. a coolant heat exchanger; 103. a tail gas treatment module; 104. a tail gas outlet; 105. a water tank heat exchanger outside the vehicle; 200. an electric compressor; 201. a first three-way valve; 202. a third control valve; 203. a second control valve; 204. a fourth control valve; 205. a fifth control valve; 206. a sixth control valve; 207. an exterior heat exchanger; 208. a first electronic expansion valve; 209. a second electronic expansion valve; 210. a flash evaporator; 211. a first vehicle interior heat exchanger; 212. a second in-vehicle heat exchanger; 213. an HVAC heater core; 214. a gas-liquid separator; 215. a piston compressor; 216. a fifteenth control valve; 217. a fourteenth control valve; 218. a seventh control valve; 219. a tenth control valve; 220. a sixteenth control valve; 300. a water pump; 301. an intermediate heat exchanger; 302. a PTC heater; 303. a drive motor heat exchanger; 304. a drive motor; 305. a main battery heat exchanger; 306. a main battery; 307. an electric cabinet heat exchanger; 308. a vehicle electric cabinet; 309. a gearbox heat exchanger; 310. a vehicle transmission; 311. a thirteenth control valve; 312. a twelfth control valve; 313. an eleventh control valve; 315. an eighth control valve; 316. a ninth control valve.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.

As described in the background art, in order to solve the problem of poor economy due to the need for a cooling device in the prior art using the residual heat of the exhaust gas of the vehicle, in an exemplary embodiment of the present application, a hybrid vehicle, a control method thereof, a computer-readable storage medium, a processor, and a vehicle system are provided.

According to an exemplary embodiment of the present application, as shown in fig. 1, there is provided a hybrid vehicle including an engine 100 and an in-vehicle heat pump air conditioner, wherein the engine 100 includes an exhaust gas outlet 104; the in-vehicle heat pump air conditioner includes an exterior heat exchanger 207, a heat medium inlet of the exterior heat exchanger 207 is communicated with the exhaust gas outlet 104, and the exterior heat exchanger is further connected to a first end of a first three-way valve 201.

The hybrid vehicle comprises the engine and the in-vehicle heat pump air conditioning device, wherein the engine comprises the tail gas outlet, the in-vehicle heat pump air conditioning device comprises an exterior heat exchanger, a heat medium inlet of the exterior heat exchanger is communicated with the tail gas outlet, and the exterior heat exchanger is further connected with a first end of a first three-way valve. In foretell hybrid vehicle, above-mentioned engine produces tail gas, through carrying out the heat transfer with the waste heat of tail gas and above-mentioned outer heat exchanger of car, heat supply in for the driver's cabin has guaranteed through the vehicle heat pump air conditioning equipment of vehicle self-bring, can utilize the tail gas waste heat to supply heat for the vehicle better, and economic nature is higher, and owing to not addding other devices, it is comparatively simple to have guaranteed the air conditioning system of vehicle, has avoided utilizing the vehicle air conditioning system of vehicle tail gas waste heat among the prior art to need add refrigerating plant and leads to the relatively poor problem of economic nature.

According to a specific embodiment of the present application, as shown in fig. 1, the hybrid vehicle further includes an exhaust gas treatment module 103, and the exhaust gas treatment module 103 is connected to a heat medium inlet of the exterior heat exchanger 207. Above-mentioned mix dynamic type vehicle handles the tail gas that the engine produced through above-mentioned tail gas treatment module, has made things convenient for the tail gas after handling and above-mentioned outer heat exchanger of car to carry out the heat transfer. In practical applications, an exhaust gas storage unit may be further disposed between the exhaust gas treatment module 103 and the exterior heat exchanger 207.

According to another specific embodiment of the present application, as shown in fig. 1, the in-vehicle heat pump air conditioning device further includes an electric compressor 200, a gas-liquid separator 214, a first in-vehicle heat exchanger 211, a first electronic expansion valve, and a second in-vehicle heat exchanger 212, wherein the electric compressor includes a suction end and a discharge end, and the discharge end is connected to a second end of the first three-way valve 201; one end of the gas-liquid separator 214 is connected to the suction end, and the other end thereof is connected to a third end of the first three-way valve 201 via a second control valve 203; one end of the first in-vehicle heat exchanger 211 is connected to a first end of the first three-way valve 201 via a third control valve 202, and a connection line between the first in-vehicle heat exchanger 211 and the third control valve 202 is a first line, and a connection line between the gas-liquid separator 214 and the second control valve 203 is a second line, and the first line is communicated with the first line; the first electronic expansion valve 208 includes a first end and a second end, the first end of the first electronic expansion valve 208 is connected to the other end of the first in-vehicle heat exchanger 211 through a fourth control valve 204, and the second end of the first electronic expansion valve 208 is connected to the exterior heat exchanger 207; a first end of the second in-vehicle heat exchanger 212 is connected to a third end of the first three-way valve 201, a second end of the second in-vehicle heat exchanger 212 is connected to a first end of the first electronic expansion valve 208 via a fifth control valve 205, and the fifth control valve 205 is connected to a first end of the second in-vehicle heat exchanger 212 via a sixth control valve 206. According to the hybrid vehicle, the electric compressor does work to absorb low-grade heat energy in tail gas of an engine, and then the low-grade heat energy exchanges heat with the first vehicle interior heat exchanger and the second vehicle interior heat exchanger to supply heat to a cab, so that the low-grade heat energy in the tail gas of the vehicle is fully utilized, the high economical efficiency is further ensured, and the purposes of energy conservation and environmental protection are achieved.

In an actual application process, as shown in fig. 1, the in-vehicle heat pump air conditioning device further includes an HVAC core 213, a coolant heat exchanger 102, a circulation pump 101, and an external water tank heat exchanger 105, wherein two ends of the HVAC core 213 are in one-to-one correspondence with two first ends of the coolant heat exchanger 102, two second ends of the coolant heat exchanger 102 are respectively in one-to-one correspondence with two first ends of the circulation pump 101, two second ends of the circulation pump 101 are respectively in one-to-one correspondence with two first ends of the engine 100, a second end of the engine 100 is connected to the external water tank heat exchanger 105 through a seventh control valve 218, and the exhaust gas outlet is connected to one first end of the engine 100. According to the hybrid vehicle, the heat of the tail gas of the engine is utilized, the heat is sent to the HVAC warm air core through the cooling liquid heat exchanger by the circulating pump to supply heat to the cab, the waste heat of the tail gas is further fully utilized to supply heat to the vehicle, and the high economical efficiency is further ensured.

In still another specific embodiment of the present invention, as shown in fig. 1, the seventh control valve 218 is a second three-way valve, and the in-vehicle heat pump air conditioner further includes a main battery 306, a main battery heat exchanger 305, and a PTC heater 302, wherein the main battery heat exchanger 305 is located at one side of the main battery 306, one end of the main battery heat exchanger 305 is connected to the engine 100 through an eighth control valve 315 and a sixteenth control valve 220, and the other end is connected to another first end of the engine 100 through a ninth control valve 316; the PTC heater 302 has one end connected to the engine 100 and the other end connected to the other first end of the engine 100 via a tenth control valve 219, and the ninth control valve 316 is provided between the tenth control valve 219 and the main battery heat exchanger 305. The hybrid vehicle can heat the main battery through the PTC heater, can ensure stable operation of the main battery in a low-temperature environment, and meanwhile, the main battery can exchange heat with the external water tank heat exchanger through the main battery heat exchanger to supply heat to a cab through waste heat of the main battery, so that energy conservation is further ensured.

According to another specific embodiment of the present invention, as shown in fig. 2, the hybrid vehicle further includes a water pump 300, an intermediate heat exchanger 301, a PTC heater 302, a vehicle transmission 310, a transmission heat exchanger 309, a vehicle electric cabinet 308, an electric cabinet heat exchanger 307, a main battery heat exchanger 305, a driving motor 304, and a driving motor heat exchanger 303, wherein the seventh control valve 218 is a four-way valve, wherein a first end of the transmission heat exchanger 309, a first end of the electric cabinet heat exchanger 307, a first end of the main battery heat exchanger 305, and a first end of the driving motor heat exchanger 303 are connected to each other and to the PTC heater 302, a second end of the transmission heat exchanger 309 and a second end of the electric cabinet heat exchanger 307 are connected and to a first end of the four-way valve through an eleventh control valve 313, a second end of the main battery heat exchanger 305 is connected to a first end of the four-way valve through a twelfth control valve 312, a second end of the driving motor heat exchanger 303 is connected to a first end of the four-way valve through a thirteenth control valve 311, a second end of the engine 100 is connected to a second end of the four-way valve, a first end of the water pump 300 is connected to a third end of the four-way valve, a first end of the vehicle exterior radiator heat exchanger 105 is connected to a fourth end of the four-way valve, a second end of the vehicle exterior radiator heat exchanger 105 is communicated with a first end of the water pump 300, a second end of the water pump 300 is connected to a first end of the intermediate heat exchanger 301, a second end of the PTC heater 302 is connected to a second end of the intermediate heat exchanger 301, and the intermediate heat exchanger 301 is further located between the sixth control valve 206 and the first end of the second vehicle interior heat exchanger 212. According to the hybrid vehicle, the main battery and the engine are heated through the PTC heater, the vehicle gearbox, the vehicle electric cabinet, the water pump and the driving motor, so that the normal operation of the main battery and the engine in a low-temperature environment is further ensured, and the service lives of the main battery and the engine are ensured.

In practical application, as shown in fig. 2, the in-vehicle heat pump air conditioner further includes a piston compressor 215, a flash evaporator 210, and a second electronic expansion valve 209, wherein one end of the piston compressor 215 is connected to a pipeline between the electric compressor 200 and the gas-liquid separator 214 through a fourteenth control valve 217, the other end of the piston compressor 215 is connected to a pipeline between the first three-way valve 201 and the electric compressor 200 through a fifteenth control valve 216, one end of the electric compressor 200 is further connected to a first end of the flash evaporator 210, a second end of the flash evaporator 210 is connected to a first end of the first electronic expansion valve 208, a third end of the flash evaporator 210 is connected to a first end of the second electronic expansion valve 209, and a second end of the second electronic expansion valve 209 is connected to the fifth control valve 205. The engine drives the piston compressor to rotate through a belt and an electromagnetic clutch.

In the practical application process, considering that the system is too complex, the space in the engine compartment of the hybrid car is limited, a piston compressor, a fourteenth control valve, a fifteenth control valve and a flash evaporator and a second electronic expansion valve are not required to be arranged, and the electric compressor is used for driving the heat pump air conditioner in the car in both an engine mode and a battery mode. In addition, a vehicle gearbox, a vehicle electric cabinet, a driving motor and a water pump are not arranged, and the main battery and the engine are heated only by the PTC heater in a low-temperature environment, so that the vehicle can normally run in the low-temperature environment. Of course, without the above-mentioned device, the electric compressor is completely relied on, the engine cannot be used to drive the piston compressor, and the electric consumption of the electric compressor is additionally increased. The waste heat of the driving motor, the vehicle gearbox and the vehicle electric cabinet can not be utilized to supply heat for the cab, and the temperature of the cancelled devices can not be reduced by the heat pump air conditioning device in the vehicle.

According to another exemplary embodiment of the present application, there is provided a control method of the vehicle described above.

Fig. 3 is a flowchart of a control method of a vehicle according to an embodiment of the present application. As shown in fig. 3, the method comprises the steps of:

step S101, obtaining the temperature of the external environment to obtain the temperature of an outer ring;

step S102, determining whether the engine works or not under the condition that the outer ring temperature is lower than a first preset temperature;

and a step S103 of controlling the supply of the heat of the exhaust gas of the engine to the cab of the hybrid vehicle when the engine is operated.

The control method of the vehicle comprises the steps of firstly obtaining the temperature of the external environment to obtain the temperature of an outer ring; then determining whether the engine works under the condition that the temperature of the outer ring is lower than a first preset temperature; and finally, controlling the heat of the exhaust gas of the engine to be supplied to the cab of the hybrid vehicle when the engine is operated. According to the method, under the condition that the engine works, the heat of the tail gas of the engine is controlled to be supplied to the cab of the hybrid vehicle, the vehicle internal heat pump air conditioning device carried by the vehicle is guaranteed, the tail gas waste heat can be well utilized to supply heat to the vehicle, the economy is high, the air conditioning system of the vehicle is simple due to the fact that other devices are not additionally arranged, and the problem that the economy is poor due to the fact that a refrigerating device needs to be additionally arranged in the vehicle air conditioning system utilizing the tail gas waste heat of the vehicle in the prior art is solved.

According to another specific embodiment of the present application, the in-vehicle heat pump air conditioning device further includes an electric compressor, a gas-liquid separator, a first in-vehicle heat exchanger, a first electronic expansion valve, and a second in-vehicle heat exchanger, wherein the electric compressor includes a suction end and a discharge end, and the discharge end is connected to a second end of the first three-way valve; one end of the gas-liquid separator is connected with the air suction end, and the other end of the gas-liquid separator is connected with the third end of the first three-way valve through a second control valve; one end of the first vehicle interior heat exchanger is connected with a first end of the first three-way valve through a third control valve, a connecting pipeline of the first vehicle interior heat exchanger and the third control valve is a first pipeline, a connecting pipeline between the gas-liquid separator and the second control valve is a second pipeline, and the first pipeline is communicated with the first pipeline; the first electronic expansion valve comprises a first end and a second end, the first end of the first electronic expansion valve is connected with the other end of the first vehicle interior heat exchanger through a fourth control valve, and the second end of the first electronic expansion valve is connected with the vehicle exterior heat exchanger; a first end of the second in-vehicle heat exchanger is connected to a third end of the first three-way valve, a second end of the second in-vehicle heat exchanger is connected to a first end of the first electronic expansion valve through a fifth control valve, the fifth control valve is connected to the first end of the second in-vehicle heat exchanger through a sixth control valve, the in-vehicle heat pump air conditioning apparatus further includes a piston compressor, a flash evaporator, and a second electronic expansion valve, one end of the piston compressor is connected to a line between the electric compressor and the gas-liquid separator through a fourteenth control valve, the other end of the piston compressor is connected to a line between the first three-way valve and the electric compressor through a fifteenth control valve, one end of the electric compressor is further connected to the first end of the flash evaporator, and the second end of the flash evaporator is connected to the first end of the first electronic expansion valve, a third end of the flash evaporator is connected to a first end of the second electronic expansion valve, a second end of the second electronic expansion valve is connected to the fifth control valve, and the flash evaporator controls supply of heat of exhaust gas of the engine to a cab of the hybrid vehicle when the engine is operated, the flash evaporator including: and controlling tail gas of the engine to enter the heat exchanger outside the vehicle for heat exchange, controlling gas after heat exchange to enter the piston compressor and/or the electric compressor for work, controlling gas exhausted by the electric compressor and/or the piston compressor to enter the second vehicle interior heat exchanger for heat exchange, and controlling gas after heat exchange to enter a cab of the hybrid vehicle. According to the method, the tail gas of the engine is firstly controlled to enter the heat exchanger outside the vehicle for heat exchange, then the gas after heat exchange is controlled to enter the piston compressor and/or the electric compressor for work, and then the gas exhausted by the electric compressor and/or the piston compressor is controlled to enter the heat exchanger inside the second vehicle for heat exchange, so that the waste heat of the tail gas is further utilized, the heat can be well supplied to the cab of the vehicle, and the higher economical efficiency is further ensured.

According to another specific embodiment of the present application, the in-vehicle heat pump air conditioning device further includes an HVAC core, a coolant heat exchanger, a circulation pump, and an external water tank heat exchanger, wherein two ends of the HVAC core are in one-to-one communication with two first ends of the coolant heat exchanger, two second ends of the coolant heat exchanger are in one-to-one communication with two first ends of the circulation pump, two second ends of the circulation pump are in one-to-one communication with two first ends of the engine, a second end of the engine is connected to the external water tank heat exchanger through a seventh control valve, the exhaust gas outlet is connected to one first end of the engine, the hybrid vehicle further includes a water pump, an intermediate heat exchanger, a PTC heater, a vehicle transmission, a transmission heat exchanger, a vehicle electric cabinet, an electric cabinet heat exchanger, a vehicle air conditioner, and an external water tank heat exchanger, A main battery heat exchanger, a driving motor and a driving motor heat exchanger, wherein the seventh control valve is a four-way valve, wherein a first end of the transmission heat exchanger, a first end of the electric cabinet heat exchanger, a first end of the main battery heat exchanger and a first end of the driving motor heat exchanger are connected to each other and to the first end of the PTC heater, a second end of the transmission heat exchanger and a second end of the electric cabinet heat exchanger are connected and to the first end of the four-way valve through an eleventh control valve, a second end of the main battery heat exchanger is connected to the first end of the four-way valve through a twelfth control valve, a second end of the driving motor heat exchanger is connected to the first end of the four-way valve through a thirteenth control valve, a second end of the engine is connected to the second end of the four-way valve, and a first end of the water pump is connected to the third end of the four-way valve, a first end of the vehicle exterior radiator heat exchanger is connected to a fourth end of the four-way valve, a second end of the vehicle exterior radiator heat exchanger is communicated with a first end of the water pump, a second end of the water pump is connected to a first end of the intermediate heat exchanger, a second end of the PTC heater is connected to a second end of the intermediate heat exchanger, the intermediate heat exchanger is further located between the sixth control valve and the first end of the second in-vehicle heat exchanger, and the control method further includes, after controlling the heat of the exhaust gas of the engine to be supplied to the cab of the hybrid vehicle, the control method including: determining whether the heat of said exhaust gas is greater than the heat demand of said cab; and under the condition that the heat of the tail gas is greater than the heat demand of the cab, controlling the gas subjected to heat exchange by the heat exchanger outside the vehicle to enter an intermediate heat exchanger for heat exchange so as to heat the heat of the tail gas for the main battery. According to the method, under the condition that the heat of the tail gas is larger than the heat requirement of the cab, the heat of the tail gas is used for heating the main battery by controlling the gas subjected to heat exchange through the heat exchanger outside the vehicle to enter the intermediate heat exchanger for heat exchange, so that the main battery can be in a proper working temperature range, the service life of the main battery is further ensured, and meanwhile, the high economy and energy conservation are further ensured.

In an actual application process, after obtaining the temperature of the external environment and obtaining the outer ring temperature, the control method further includes: controlling a PTC heater to heat the main battery so that the hybrid vehicle can be driven in a battery mode when the outer ring temperature is less than a second predetermined temperature, which is less than the first predetermined temperature; after the hybrid vehicle runs for a preset time in the battery mode, controlling heat in at least one of a gearbox heat exchanger, an electric cabinet heat exchanger, a main battery heat exchanger and a driving motor heat exchanger to enter an intermediate heat exchanger for heat exchange, introducing gas after heat exchange into a second vehicle inner heat exchanger for heat exchange, and introducing the gas after heat exchange into a cab of the hybrid vehicle; and controlling the heat in at least one of the gearbox heat exchanger, the electric cabinet heat exchanger, the main battery heat exchanger and the driving motor heat exchanger to heat the engine through the four-way valve. When the temperature of the outer ring is lower, the engine of the vehicle is started in a low-temperature environment, and the potential risk of piston abrasion exists. Meanwhile, the electric quantity of the main battery of the vehicle is insufficient, and the battery mode of the vehicle cannot be started under the condition that the electric quantity of the main battery is insufficient.

Certainly, can also charge for main battery through the outside electric pile under the condition that main battery electric quantity is not enough, guarantee that the vehicle moves under the battery mode.

In another specific embodiment of the present application, after obtaining the temperature of the external environment to obtain the outer ring temperature, the control method further includes: under the condition that the electric compressor is in the air-supplementing and enthalpy-increasing mode, controlling the refrigerant discharged by the electric compressor to enter a second interior heat exchanger for heat release; controlling a part of the gas subjected to heat release to sequentially pass through a second electronic expansion valve and a flash evaporator, and controlling the gas output by the flash evaporator to return to the electric compressor for air supplement and enthalpy increase; and controlling the other part of the gas after heat release to sequentially pass through a second electronic expansion valve, the flash evaporator and the first electronic expansion valve and then enter the heat exchanger outside the vehicle for heat exchange, and controlling the gas after heat exchange to pass through a gas-liquid separator and then return to the electric compressor. Therefore, the low-temperature heating capacity of the in-vehicle heat pump air conditioning device of the vehicle at low temperature can be ensured to be higher.

In an actual application process, the first predetermined temperature and the second predetermined temperature may be any values, and in a specific embodiment, the first predetermined temperature is-10 ℃, and the second predetermined temperature is less than the first predetermined temperature. In another specific embodiment, the second predetermined temperature is-10 ℃, and the second predetermined temperature is lower than the first predetermined temperature.

FIG. 5 is a vehicle control flow diagram according to a specific embodiment of the present application.

It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.

The embodiment of the present application further provides a control device of the vehicle, and it should be noted that the control device of the vehicle according to the embodiment of the present application may be used to execute the control method for the vehicle according to the embodiment of the present application. The following describes a control device for a vehicle according to an embodiment of the present application.

Fig. 4 is a schematic diagram of a control apparatus of a vehicle according to an embodiment of the present application. As shown in fig. 4, the apparatus includes an obtaining unit 10, a first determining unit 20 and a first control unit 30, wherein the obtaining unit 10 is configured to obtain a temperature of an external environment to obtain an outer ring temperature; the first determining unit 20 is configured to determine whether the engine is operating in a case where the outer ring temperature is less than a first predetermined temperature; the first control unit 30 is configured to control supply of heat of exhaust gas of the engine to a cab of the hybrid vehicle when the engine is operated.

The control device of the vehicle obtains the temperature of the external environment through the obtaining unit to obtain the outer ring temperature, and determines whether the engine works or not through the first determining unit under the condition that the outer ring temperature is lower than a first preset temperature; the first control means controls supply of heat of exhaust gas of the engine to a cab of the hybrid vehicle when the engine is operated. The device is under the condition of confirming engine work, and the driver's cabin of above-mentioned type vehicle thoughtlessly moves is supplied with to the heat through control engine exhaust, has guaranteed through the vehicle in-vehicle heat pump air conditioning equipment of vehicle self-band, can utilize the tail gas waste heat to supply heat for the vehicle betterly, and economic nature is higher, and owing to not add other devices for the air conditioning system of vehicle is comparatively simple, has avoided utilizing the vehicle air conditioning system of vehicle tail gas waste heat among the prior art to need add refrigerating plant and has leaded to the relatively poor problem of economic nature.

According to another specific embodiment of the present application, the in-vehicle heat pump air conditioning device further includes an electric compressor, a gas-liquid separator, a first in-vehicle heat exchanger, a first electronic expansion valve, and a second in-vehicle heat exchanger, wherein the electric compressor includes a suction end and a discharge end, and the discharge end is connected to a second end of the first three-way valve; one end of the gas-liquid separator is connected with the air suction end, and the other end of the gas-liquid separator is connected with the third end of the first three-way valve through a second control valve; one end of the first vehicle interior heat exchanger is connected with a first end of the first three-way valve through a third control valve, a connecting pipeline of the first vehicle interior heat exchanger and the third control valve is a first pipeline, a connecting pipeline between the gas-liquid separator and the second control valve is a second pipeline, and the first pipeline is communicated with the first pipeline; the first electronic expansion valve comprises a first end and a second end, the first end of the first electronic expansion valve is connected with the other end of the first vehicle interior heat exchanger through a fourth control valve, and the second end of the first electronic expansion valve is connected with the vehicle exterior heat exchanger; a first end of the second in-vehicle heat exchanger is connected to a third end of the first three-way valve, a second end of the second in-vehicle heat exchanger is connected to a first end of the first electronic expansion valve through a fifth control valve, the fifth control valve is connected to the first end of the second in-vehicle heat exchanger through a sixth control valve, the in-vehicle heat pump air conditioning apparatus further includes a piston compressor, a flash evaporator, and a second electronic expansion valve, one end of the piston compressor is connected to a line between the electric compressor and the gas-liquid separator through a fourteenth control valve, the other end of the piston compressor is connected to a line between the first three-way valve and the electric compressor through a fifteenth control valve, one end of the electric compressor is further connected to the first end of the flash evaporator, and the second end of the flash evaporator is connected to the first end of the first electronic expansion valve, the third end of the flash evaporator is connected with the first end of the second electronic expansion valve, the second end of the second electronic expansion valve is connected with the fifth control valve, the first control unit comprises a control module, the control module is used for controlling tail gas of the engine to enter the heat exchanger outside the vehicle for heat exchange, controlling gas after heat exchange to enter the piston compressor and/or the electric compressor for work, controlling gas exhausted by the electric compressor and/or the piston compressor to enter the heat exchanger inside the second vehicle for heat exchange, and controlling gas after heat exchange to enter a cab of the hybrid vehicle. According to the device, the tail gas of the engine is firstly controlled to enter the heat exchanger outside the vehicle for heat exchange, then the gas after heat exchange is controlled to enter the piston compressor and/or the electric compressor for work, and then the gas exhausted by the electric compressor and/or the piston compressor is controlled to enter the heat exchanger inside the second vehicle for heat exchange, so that the waste heat of the tail gas is further utilized, the heat can be well supplied to the cab of the vehicle, and the higher economical efficiency is further ensured.

According to another specific embodiment of the present application, the in-vehicle heat pump air conditioning device further includes an HVAC core, a coolant heat exchanger, a circulation pump, and an external water tank heat exchanger, wherein two ends of the HVAC core are in one-to-one communication with two first ends of the coolant heat exchanger, two second ends of the coolant heat exchanger are in one-to-one communication with two first ends of the circulation pump, two second ends of the circulation pump are in one-to-one communication with two first ends of the engine, a second end of the engine is connected to the external water tank heat exchanger through a seventh control valve, the exhaust gas outlet is connected to one first end of the engine, the hybrid vehicle further includes a water pump, an intermediate heat exchanger, a PTC heater, a vehicle transmission, a transmission heat exchanger, a vehicle electric cabinet, an electric cabinet heat exchanger, a vehicle air conditioner, and an external water tank heat exchanger, A main battery heat exchanger, a driving motor and a driving motor heat exchanger, wherein the seventh control valve is a four-way valve, wherein a first end of the transmission heat exchanger, a first end of the electric cabinet heat exchanger, a first end of the main battery heat exchanger and a first end of the driving motor heat exchanger are connected to each other and to the first end of the PTC heater, a second end of the transmission heat exchanger and a second end of the electric cabinet heat exchanger are connected and to the first end of the four-way valve through an eleventh control valve, a second end of the main battery heat exchanger is connected to the first end of the four-way valve through a twelfth control valve, a second end of the driving motor heat exchanger is connected to the first end of the four-way valve through a thirteenth control valve, a second end of the engine is connected to the second end of the four-way valve, and a first end of the water pump is connected to the third end of the four-way valve, a first end of the vehicle exterior radiator heat exchanger is connected to a fourth end of the four-way valve, a second end of the vehicle exterior radiator heat exchanger is communicated with a first end of the water pump, a second end of the water pump is connected to a first end of the intermediate heat exchanger, a second end of the PTC heater is connected to a second end of the intermediate heat exchanger, the intermediate heat exchanger is further located between the sixth control valve and a first end of the second vehicle interior heat exchanger, and the control device further includes a second determination unit and a second control unit, wherein the second determination unit is configured to determine whether or not the heat quantity of the exhaust gas is greater than the heat quantity demand of the cab after controlling the heat quantity of the exhaust gas using the engine to be supplied to the cab of the hybrid vehicle; the second control unit is used for controlling the gas subjected to heat exchange by the heat exchanger outside the vehicle to enter the intermediate heat exchanger for heat exchange under the condition that the heat of the tail gas is greater than the heat demand of the cab, so that the heat of the tail gas is heated by the main battery. According to the device, under the condition that the heat of the tail gas is greater than the heat demand of the cab, the heat of the tail gas is used for heating the main battery by controlling the gas subjected to heat exchange through the heat exchanger outside the vehicle to enter the intermediate heat exchanger for heat exchange, so that the main battery can be in a more suitable working temperature range, the service life of the main battery is further ensured, and meanwhile, the high economical efficiency and the energy conservation are further ensured.

In an actual application process, after the temperature of the external environment is obtained, the control device further comprises a third control unit, a fourth control unit and a fifth control unit, wherein the third control unit is used for controlling the PTC heater to heat the main battery after obtaining the outer ring temperature and under the condition that the outer ring temperature is lower than a second preset temperature, so that the hybrid vehicle can be driven to run in a battery mode, and the second preset temperature is lower than the first preset temperature; the fourth control unit is used for controlling heat in at least one of a gearbox heat exchanger, an electric cabinet heat exchanger, a main battery heat exchanger and a driving motor heat exchanger to enter an intermediate heat exchanger for heat exchange after the hybrid vehicle runs for a preset time in the battery mode, the gas after heat exchange enters a second in-vehicle heat exchanger for heat exchange, and the gas after heat exchange enters a cab of the hybrid vehicle; the fifth control unit is configured to control heat in at least one of the transmission heat exchanger, the electric cabinet heat exchanger, the main battery heat exchanger, and the driving motor heat exchanger to heat the engine through the four-way valve. When the temperature of the outer ring is lower, the engine of the vehicle is started in a low-temperature environment, and the potential risk of piston abrasion exists. Simultaneously, the not enough condition of electric quantity can appear in the main battery of vehicle, under the not enough condition of electric quantity of main battery, can't start the battery mode of vehicle, above-mentioned device is through controlling the heat in at least one in above-mentioned gearbox heat exchanger, above-mentioned electric cabinet heat exchanger, above-mentioned main battery heat exchanger and above-mentioned driving motor heat exchanger for above-mentioned engine heating through above-mentioned cross valve, can make the engine transiently start, prevents the excessive consumption of main battery electric quantity under the battery mode, has further guaranteed that the life-span of main battery is longer.

In another specific embodiment of the present application, after obtaining the temperature of the external environment, the control device further includes a sixth control unit, a seventh control unit, and an eighth control unit, where after the sixth control unit is configured to obtain the outer ring temperature, and when the electric compressor is in the air-supply enthalpy-increasing mode, the sixth control unit is configured to control the refrigerant discharged by the electric compressor to enter the second in-vehicle heat exchanger to release heat; the seventh control unit is used for controlling part of the gas subjected to heat release to sequentially pass through the second electronic expansion valve and the flash evaporator, and controlling the gas output by the flash evaporator to return to the electric compressor for air supplement and enthalpy increase; the eighth control unit is used for controlling the other part of the gas after heat release to sequentially pass through the second electronic expansion valve, the flash evaporator and the first electronic expansion valve and then enter the heat exchanger outside the vehicle for heat exchange, and controlling the gas after heat exchange to pass through the gas-liquid separator and then return to the electric compressor. Therefore, the low-temperature heating capacity of the in-vehicle heat pump air conditioning device of the vehicle at low temperature can be ensured to be higher.

In a practical application process, the first predetermined temperature and the second predetermined temperature may be any values, and in a specific embodiment, the first predetermined temperature is-10 ℃, and the second predetermined temperature is less than the first predetermined temperature. In another specific embodiment, the second predetermined temperature is-10 ℃, and the second predetermined temperature is lower than the first predetermined temperature.

The control device of the hybrid vehicle includes a processor and a memory, the acquiring unit, the first determining unit, the first control unit, and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.

The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The inner core can be set to be one or more than one, and the problem of poor economy caused by the fact that a cooling device needs to be added in a mode of utilizing the waste heat of the tail gas of the vehicle is solved by adjusting the parameters of the inner core.

The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.

An embodiment of the present invention provides a storage medium having stored thereon a program that, when executed by a processor, implements the control method of the hybrid vehicle described above.

An embodiment of the present invention provides a processor, where the processor is configured to execute a program, where the program executes the control method for the hybrid vehicle when running.

The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:

The device herein may be a server, a PC, a PAD, a mobile phone, etc.

The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:

According to yet another exemplary embodiment of the present application, there is also provided a vehicle system including: any of the hybrid vehicle, one or more processors, memory, and one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing any of the methods described above.

The vehicle system described above, comprising any of the hybrid vehicles described above, one or more processors, memory, and one or more programs comprising instructions for performing any of the methods described above. Above-mentioned thoughtlessly move type vehicle system carries out the heat transfer through the waste heat with vehicle exhaust with outer heat exchanger, supplies heat in the driver's cabin for the vehicle, has guaranteed through the vehicle heat pump air conditioning equipment in the vehicle of vehicle self-bring, can utilize the tail gas waste heat to supply heat for the vehicle betterly, and economic nature is higher, and owing to not addding other devices, the air conditioning system who has guaranteed the vehicle is comparatively simple, has avoided utilizing the vehicle air conditioning system of vehicle tail gas waste heat among the prior art to need add refrigerating plant and has leaded to the relatively poor problem of economic nature.

In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.

From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:

1) the utility model provides a mix moving type vehicle, including above-mentioned engine and above-mentioned in-vehicle heat pump air conditioning equipment, above-mentioned engine includes above-mentioned tail gas export, and above-mentioned in-vehicle heat pump air conditioning equipment includes the outer heat exchanger of car, and the heat medium entry and the above-mentioned tail gas export intercommunication of above-mentioned outer heat exchanger of car, above-mentioned outer heat exchanger still are connected with the first end of first three-way valve. In foretell hybrid vehicle, above-mentioned engine produces tail gas, through carrying out the heat transfer with the waste heat of tail gas and above-mentioned outer heat exchanger of car, heat supply in for the driver's cabin has guaranteed through the vehicle heat pump air conditioning equipment of vehicle self-bring, can utilize the tail gas waste heat to supply heat for the vehicle better, and economic nature is higher, and owing to not addding other devices, it is comparatively simple to have guaranteed the air conditioning system of vehicle, has avoided utilizing the vehicle air conditioning system of vehicle tail gas waste heat among the prior art to need add refrigerating plant and leads to the relatively poor problem of economic nature.

2) The control method of the vehicle comprises the steps of firstly obtaining the temperature of the external environment to obtain the temperature of an outer ring; then determining whether the engine works under the condition that the temperature of the outer ring is lower than a first preset temperature; and finally, controlling the heat of the exhaust gas of the engine to be supplied to the cab of the hybrid vehicle when the engine is operated. According to the method, under the condition that the engine works, the heat of the tail gas of the engine is controlled to be supplied to the cab of the hybrid vehicle, the vehicle internal heat pump air conditioning device carried by the vehicle is guaranteed, the tail gas waste heat can be well utilized to supply heat to the vehicle, the economy is high, the air conditioning system of the vehicle is simple due to the fact that other devices are not additionally arranged, and the problem that the economy is poor due to the fact that a refrigerating device needs to be additionally arranged in the vehicle air conditioning system utilizing the tail gas waste heat of the vehicle in the prior art is solved.

3) The control device of the vehicle obtains the temperature of the external environment through the obtaining unit to obtain the temperature of the outer ring, and determines whether the engine works or not through the first determining unit under the condition that the temperature of the outer ring is lower than a first preset temperature; the first control means controls supply of heat of exhaust gas of the engine to a cab of the hybrid vehicle when the engine is operated. The device is under the condition of confirming engine work, and the driver's cabin of above-mentioned type vehicle thoughtlessly moves is supplied with to the heat through control engine exhaust, has guaranteed through the vehicle in-vehicle heat pump air conditioning equipment of vehicle self-band, can utilize the tail gas waste heat to supply heat for the vehicle betterly, and economic nature is higher, and owing to not add other devices for the air conditioning system of vehicle is comparatively simple, has avoided utilizing the vehicle air conditioning system of vehicle tail gas waste heat among the prior art to need add refrigerating plant and has leaded to the relatively poor problem of economic nature.

4) The control device of the vehicle obtains the temperature of the external environment through the obtaining unit to obtain the temperature of the outer ring, and determines whether the engine works or not through the first determining unit under the condition that the temperature of the outer ring is lower than a first preset temperature; the first control means controls supply of heat of exhaust gas of the engine to a cab of the hybrid vehicle when the engine is operated. The device is under the condition of confirming engine work, and the driver's cabin of above-mentioned type vehicle thoughtlessly moves is supplied with to the heat through control engine exhaust, has guaranteed through the vehicle in-vehicle heat pump air conditioning equipment of vehicle self-band, can utilize the tail gas waste heat to supply heat for the vehicle betterly, and economic nature is higher, and owing to not add other devices for the air conditioning system of vehicle is comparatively simple, has avoided utilizing the vehicle air conditioning system of vehicle tail gas waste heat among the prior art to need add refrigerating plant and has leaded to the relatively poor problem of economic nature.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hybrid vehicle, characterized by comprising:

an engine comprising an exhaust gas outlet;

the in-vehicle heat pump air conditioning device comprises an outer heat exchanger, a heat medium inlet of the outer heat exchanger is communicated with a tail gas outlet, the outer heat exchanger is also connected with a first end of a first three-way valve,

the in-vehicle heat pump air conditioning device further includes:

the electric compressor comprises a suction end and a discharge end, and the discharge end is connected with the second end of the first three-way valve;

one end of the gas-liquid separator is connected with the air suction end, and the other end of the gas-liquid separator is connected with the third end of the first three-way valve through a second control valve;

one end of the first vehicle interior heat exchanger is connected with the first end of the first three-way valve through a third control valve, a connecting pipeline of the first vehicle interior heat exchanger and the third control valve is a first pipeline, a connecting pipeline between the gas-liquid separator and the second control valve is a second pipeline, and the first pipeline is communicated with the second pipeline;

the first end of the first electronic expansion valve is connected with the other end of the first vehicle interior heat exchanger through a fourth control valve, and the second end of the first electronic expansion valve is connected with the vehicle exterior heat exchanger;

and a first end of the second in-vehicle heat exchanger is connected with a third end of the first three-way valve, a second end of the second in-vehicle heat exchanger is connected with a first end of the first electronic expansion valve through a fifth control valve, and the fifth control valve is connected with a first end of the second in-vehicle heat exchanger through a sixth control valve.

2. The hybrid vehicle according to claim 1, characterized by further comprising:

and the tail gas treatment module is connected with a heat medium inlet of the heat exchanger outside the vehicle.

3. The hybrid vehicle according to claim 1, wherein the in-vehicle heat pump air conditioning device further comprises an HVAC core, a coolant heat exchanger, a circulation pump, and an external water tank heat exchanger, wherein two ends of the HVAC core are in one-to-one correspondence with two first ends of the coolant heat exchanger, two second ends of the coolant heat exchanger are respectively in one-to-one correspondence with two first ends of the circulation pump, two second ends of the circulation pump are respectively in one-to-one correspondence with two first ends of the engine, a second end of the engine is connected to the external water tank heat exchanger through a seventh control valve, and the exhaust gas outlet is connected to one first end of the engine.

4. The hybrid vehicle according to claim 3, wherein the seventh control valve is a second three-way valve, and the in-vehicle heat pump air conditioning device further comprises:

a main battery;

the main battery heat exchanger is positioned on one side of the main battery, one end of the main battery heat exchanger is connected with one first end of the engine through an eighth control valve, and the other end of the main battery heat exchanger is connected with the other first end of the engine through a ninth control valve;

and one end of the PTC heater is connected with one first end of the engine, the other end of the PTC heater is connected with the other first end of the engine through a tenth control valve, and the ninth control valve is arranged between the tenth control valve and the main battery heat exchanger.

5. The hybrid vehicle according to claim 3, further comprising a water pump, an intermediate heat exchanger, a PTC heater, a vehicle transmission, a transmission heat exchanger, a vehicle electric cabinet, an electric cabinet heat exchanger, a main battery heat exchanger, a driving motor, and a driving motor heat exchanger, wherein the seventh control valve is a four-way valve, wherein a first end of the transmission heat exchanger, a first end of the electric cabinet heat exchanger, a first end of the main battery heat exchanger, and a first end of the driving motor heat exchanger are connected to each other and to the first end of the PTC heater, a second end of the transmission heat exchanger and a second end of the electric cabinet heat exchanger are connected and to the first end of the four-way valve through an eleventh control valve, and a second end of the main battery heat exchanger is connected to the first end of the four-way valve through a twelfth control valve, the second end of the driving motor heat exchanger is connected with the first end of the four-way valve through a thirteenth control valve, the second end of the engine is connected with the second end of the four-way valve, the first end of the water pump is connected with the third end of the four-way valve, the first end of the vehicle exterior water tank heat exchanger is connected with the fourth end of the four-way valve, the second end of the vehicle exterior water tank heat exchanger is communicated with the first end of the water pump, the second end of the water pump is connected with the first end of the intermediate heat exchanger, the second end of the PTC heater is connected with the second end of the intermediate heat exchanger, and the intermediate heat exchanger is further located between the sixth control valve and the first end of the second vehicle interior heat exchanger.

6. The hybrid vehicle according to claim 1, wherein the in-vehicle heat pump air conditioner further includes a piston compressor, a flash evaporator, and a second electronic expansion valve, one end of the piston compressor is connected to a pipe between the motor-driven compressor and the gas-liquid separator via a fourteenth control valve, the other end of the piston compressor is connected to a pipe between the first three-way valve and the motor-driven compressor via a fifteenth control valve, one end of the motor-driven compressor is further connected to the first end of the flash evaporator, the second end of the flash evaporator is connected to the first end of the first electronic expansion valve, the third end of the flash evaporator is connected to the first end of the second electronic expansion valve, and the second end of the second electronic expansion valve is connected to the fifth control valve.

7. A control method of a hybrid vehicle according to any one of claims 1 to 6, characterized by comprising:

acquiring the temperature of the external environment to obtain the temperature of the outer ring;

determining whether the engine works or not under the condition that the outer ring temperature is lower than a first preset temperature;

and controlling the supply of heat of exhaust gas of the engine to a cab of the hybrid vehicle when the engine is operating.

8. The control method according to claim 7,

the in-vehicle heat pump air conditioning device further includes:

a first end of the second in-vehicle heat exchanger is connected with a third end of the first three-way valve, a second end of the second in-vehicle heat exchanger is connected with a first end of the first electronic expansion valve through a fifth control valve, the fifth control valve is connected with a first end of the second in-vehicle heat exchanger through a sixth control valve,

the in-vehicle heat pump air conditioning device further comprises a piston compressor, a flash evaporator and a second electronic expansion valve, wherein one end of the piston compressor is connected with a pipeline between the electric compressor and the gas-liquid separator through a fourteenth control valve, the other end of the piston compressor is connected with a pipeline between the first three-way valve and the electric compressor through a fifteenth control valve, one end of the electric compressor is further connected with the first end of the flash evaporator, the second end of the flash evaporator is connected with the first end of the first electronic expansion valve, the third end of the flash evaporator is connected with the first end of the second electronic expansion valve, and the second end of the second electronic expansion valve is connected with the fifth control valve,

controlling supply of heat of exhaust gas of the engine to a cab of the hybrid vehicle when the engine is operated, comprising:

and controlling tail gas of the engine to enter the heat exchanger outside the vehicle for heat exchange, controlling gas after heat exchange to enter the piston compressor and/or the electric compressor for work, controlling gas exhausted by the electric compressor and/or the piston compressor to enter the second heat exchanger inside the vehicle for heat exchange, and controlling gas after heat exchange to enter a cab of the hybrid vehicle.

9. The control method according to claim 8, wherein the in-vehicle heat pump air conditioning device further comprises an HVAC heater core, a coolant heat exchanger, a circulating pump and an external water tank heat exchanger, wherein two ends of the HVAC heater core are in one-to-one correspondence with two first ends of the coolant heat exchanger, two second ends of the coolant heat exchanger are respectively in one-to-one correspondence with two first ends of the circulating pump, two second ends of the circulating pump are respectively in one-to-one correspondence with two first ends of the engine, a second end of the engine is connected with the external water tank heat exchanger through a seventh control valve, the exhaust gas outlet is connected with one first end of the engine, the hybrid vehicle further comprises a water pump, an intermediate heat exchanger, a PTC heater, a vehicle transmission, a transmission heat exchanger, a vehicle electric cabinet, a vehicle air conditioner, and a vehicle external water tank heat exchanger, The seventh control valve is a four-way valve, wherein the first end of the gearbox heat exchanger, the first end of the electric cabinet heat exchanger, the first end of the main battery heat exchanger and the first end of the driving motor heat exchanger are connected with each other and are connected with the first end of the PTC heater, the second end of the gearbox heat exchanger is connected with the second end of the electric cabinet heat exchanger and is connected with the first end of the four-way valve through an eleventh control valve, the second end of the main battery heat exchanger is connected with the first end of the four-way valve through a twelfth control valve, the second end of the driving motor heat exchanger is connected with the first end of the four-way valve through a thirteenth control valve, the second end of the engine is connected with the second end of the four-way valve, and the first end of the water pump is connected with the third end of the four-way valve, the first end of the water tank heat exchanger outside the vehicle is connected with the fourth end of the four-way valve, the second end of the water tank heat exchanger outside the vehicle is communicated with the first end of the water pump, the second end of the water pump is connected with the first end of the intermediate heat exchanger, the second end of the PTC heater is connected with the second end of the intermediate heat exchanger, the intermediate heat exchanger is also positioned between the sixth control valve and the first end of the second heat exchanger inside the vehicle,

after controlling the supply of heat of exhaust gas of the engine to the cab of the hybrid vehicle, the control method further includes:

determining whether the heat of the exhaust gas is greater than the heat demand of the cab;

and under the condition that the heat of the tail gas is greater than the heat demand of the cab, controlling the gas subjected to heat exchange by the heat exchanger outside the vehicle to enter the intermediate heat exchanger for heat exchange so as to heat the heat of the tail gas for the main battery.

10. The control method according to claim 9, wherein after obtaining the temperature of the external environment and obtaining the outer loop temperature, the control method further comprises:

controlling a PTC heater to heat the main battery in a case where the outer ring temperature is less than a second predetermined temperature that is less than the first predetermined temperature, so that the hybrid vehicle can be driven in a battery mode;

after the hybrid vehicle runs for a preset time in the battery mode, controlling heat in at least one of a gearbox heat exchanger, an electric cabinet heat exchanger, a main battery heat exchanger and a driving motor heat exchanger to enter an intermediate heat exchanger for heat exchange, introducing gas after heat exchange into a second vehicle internal heat exchanger for heat exchange, and introducing the gas after heat exchange into a cab of the hybrid vehicle;

and controlling heat in at least one of the gearbox heat exchanger, the electric cabinet heat exchanger, the main battery heat exchanger and the driving motor heat exchanger to heat the engine through the four-way valve.

11. The control method according to claim 9, wherein after obtaining the temperature of the external environment and obtaining the outer loop temperature, the control method further comprises:

under the condition that the electric compressor is in the air-supplementing enthalpy-increasing mode, controlling the refrigerant discharged by the electric compressor to enter a second interior heat exchanger for heat release;

controlling a part of the gas subjected to heat release to sequentially pass through a second electronic expansion valve and a flash evaporator, and controlling the gas output by the flash evaporator to return to the electric compressor for air supplement and enthalpy increase;

and controlling the other part of the gas after heat release to sequentially pass through a second electronic expansion valve, the flash evaporator and the first electronic expansion valve and then enter the heat exchanger outside the vehicle for heat exchange, and controlling the gas after heat exchange to pass through a gas-liquid separator and then return to the electric compressor.

12. A computer-readable storage medium characterized in that the storage medium includes a stored program, wherein the program executes the control method of any one of claims 7 to 11.

13. A processor, characterized in that the processor is configured to run a program, wherein the program is configured to execute the control method according to any one of claims 7 to 11 when running.

14. A vehicle system, comprising: the hybrid-kinetic vehicle of any of the claims 1 to 6, one or more processors, memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors for performing the control method of any of the claims 7 to 11.