CN111452673A - Pure electric vehicle - Google Patents
Pure electric vehicle Download PDFInfo
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- CN111452673A CN111452673A CN202010344346.9A CN202010344346A CN111452673A CN 111452673 A CN111452673 A CN 111452673A CN 202010344346 A CN202010344346 A CN 202010344346A CN 111452673 A CN111452673 A CN 111452673A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
- B60H1/143—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2203—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners
- B60H1/2209—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners arrangements of burners for heating an intermediate liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/003—Component temperature regulation using an air flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to a pure electric vehicle, which comprises a battery compartment, wherein a battery pack is arranged in the battery compartment; a battery pack air duct is arranged in the battery compartment, the battery pack air duct is provided with a battery pack air duct air inlet and a battery pack air duct air outlet, and the battery pack air duct air outlet is communicated with the inside of the vehicle; the pure electric vehicle also comprises a heating device, wherein the heating device comprises a gas channel, and a fuel heater or a fuel heater and a heat exchanger matched with the fuel heater are arranged on the gas channel; the gas channel is provided with a gas channel air inlet and a gas channel air outlet; the pure electric vehicle also comprises a backflow channel, and the backflow channel is communicated with the interior of the pure electric vehicle; pure electric vehicles still includes the control valve structure, and the control valve structure has two kinds of mode: one is to connect the air inlet of the battery pack air duct and the air outlet of the gas channel and disconnect the connection of the air inlet of the battery pack air duct and the return channel; one is to connect the air inlet of the battery pack air duct and the return passage and disconnect the connection of the air inlet of the battery pack air duct and the air outlet of the gas passage.
Description
Technical Field
The invention relates to a pure electric automobile.
Background
In the pure electric vehicle, the vehicle running and the air conditioning heating are both powered by the battery, so that the running mileage of the pure electric vehicle is shortened. The application publication number CN110970684A is China invention patent application, and the system comprises a battery compartment, wherein the battery compartment is internally provided with a battery pack, a battery pack air duct and a fan arranged in the battery pack air duct, the battery pack air duct is provided with a battery pack air duct air inlet and a battery pack air duct air outlet, the fan can send outside air into the battery compartment, the battery pack air duct air outlet is communicated with the interior of a vehicle, and heat released from the battery pack in the battery compartment can be blown to the interior of the vehicle through the fan for heating.
The electric automobile in the prior art can effectively utilize the heat released by the battery when in use to heat the interior of the automobile, reduces or even does not need an air conditioner to heat, and improves the driving mileage of the electric automobile. However, in actual use, when the ambient temperature is low, the starting and discharging performance of the battery is affected, and the service life of the battery is shortened when the battery is used in a low-temperature environment.
Disclosure of Invention
The invention aims to provide a pure electric vehicle, which solves the technical problem that the service life of a battery in the prior art is shortened when the battery is started and used in a low-temperature environment.
In order to achieve the purpose, the technical scheme of the pure electric vehicle is as follows: a pure electric vehicle comprising:
a battery compartment in which a battery pack is disposed;
a battery pack air duct is arranged in the battery compartment, the battery pack air duct is provided with a battery pack air duct air inlet and a battery pack air duct air outlet, and the battery pack air duct air outlet is communicated with the inside of the vehicle;
pure electric vehicles still includes:
the heating device comprises a gas channel, and the gas channel is provided with a fuel heater for heating gas or a fuel heater for heating gas and a heat exchanger matched with the fuel heater;
the gas channel is provided with a gas channel air inlet and a gas channel air outlet;
the pure electric vehicle also comprises a backflow channel, and the backflow channel is communicated with the interior of the pure electric vehicle;
pure electric vehicles still includes the control valve structure, and the control valve structure has two kinds of mode: one is to connect the air inlet of the battery pack air duct and the air outlet of the gas channel and disconnect the connection of the air inlet of the battery pack air duct and the return channel; one is to connect the air inlet of the battery pack air duct and the return passage and disconnect the connection of the air inlet of the battery pack air duct and the air outlet of the gas passage.
The invention has the beneficial effects that: through setting up the control valve structure, can control one of them intercommunication in group battery wind channel air intake and gas passage air outlet, the return flow channel to preheat the group battery through fuel heater under low temperature environment, avoid the group battery unable start-up under low temperature environment, the time shortened life under the low temperature environment when moving. The battery pack supplies heat to the interior of the vehicle during normal running, and waste heat in the use process of the battery pack is effectively utilized. In addition, in the invention, the waste heat utilization and the battery preheating are integrated together through the control valve structure, the integration degree is higher, and the integrated installation is convenient.
Furthermore, a first branch and a second branch are arranged on the gas channel in parallel at one end of the gas channel where the gas channel air outlet is located, and each branch comprises the gas channel air outlet;
the first branch is communicated with the interior of the vehicle, and the second branch can be connected with the air inlet of the battery pack air duct through the control valve structure.
The effect of this scheme lies in, intercommunication in first branch road and the car, and the second branch road links to each other with group battery wind channel air intake, and when normal use, heats in to the car through fuel heater, need not to get the electricity from group battery department and gets the heating, has improved the mileage of traveling. In addition, the residual heat of the fuel heater and the battery pack can heat the interior of the vehicle, so that the consumption of fuel is reduced.
Furthermore, an air inlet of the air channel is communicated with the inside of the vehicle.
The effect of this scheme lies in, intercommunication in gas passage air intake and the car, carries out the inner loop when pure electric vehicles uses, and the air temperature that enters into in the fuel heater is higher, reduces the use amount of fuel.
Furthermore, the pure electric vehicle comprises an air conditioning system, the air conditioning system comprises a circulating air duct, and an air inlet of the air passage and an air outlet of the air passage are connected to the circulating air duct.
The effect of this scheme lies in, when pure electric vehicles was from taking air conditioning system, with gas passage connection on the circulation wind channel, utilize original structure, need not to carry out too much change to pure electric vehicles.
Further, gas channel is including connecting fuel heater and the inlet air duct in the car, and inlet air duct includes the gas channel air intake, inlet air duct, first branch and return channel all extend to in the car, and inlet air duct, first branch and return channel extend in parallel.
Furthermore, the control valve structure comprises a three-way valve, and three interfaces of the three-way valve are respectively connected with the air inlet of the battery pack air duct, the backflow channel and the air outlet of the gas channel.
The effect of this scheme lies in, regards as the control valve structure with the three-way valve of integrated form, simple structure, and the size is less, convenient control moreover.
Furthermore, a fan for driving gas to flow is arranged in the battery pack air duct.
The effect of this scheme lies in, sets up the fan and can accelerate the flow of air.
Furthermore, the fuel heater is provided with a heater air inlet and a heater air outlet, and the pure electric vehicle comprises a temperature sensor for detecting the temperature of the heater air inlet and the heater air outlet.
The effect of this scheme lies in, through the temperature that detects heater air intake, heater air outlet, can in time judge whether fuel heater breaks down.
Furthermore, the pure electric vehicle further comprises a temperature sensor for detecting the temperature in the air duct of the battery pack, and a controller for controlling the control valve structure to switch the working mode according to the measured value of the temperature sensor.
The effect of this scheme lies in, through the temperature that detects the group battery wind channel, can in time adjust pure electric vehicles's mode.
Further, the pure electric vehicle comprises an oil storage tank or an air storage tank for supplying fuel to the fuel heater, and the fuel heater and the oil storage tank or the air storage tank are respectively arranged at the front end and the rear end of the pure electric vehicle.
The fuel storage tank or the gas storage tank and the fuel heater are separately arranged, and the fuel storage tank or the gas storage tank and the fuel heater are convenient to install.
Drawings
FIG. 1 is a schematic view of a pure electric vehicle embodiment 1 of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1 (with the dashed control lines of FIG. 1 removed for clarity);
FIG. 3 is an enlarged view of the three-way valve of FIG. 1;
fig. 4 is a schematic view of a control panel in embodiment 1 of the pure electric vehicle of the present invention;
FIG. 5 is a schematic view of air flow during battery pack preheating in embodiment 1 of the electric vehicle according to the present invention;
FIG. 6 is a schematic view of air flow in heating by using residual heat of a battery pack in example 1 of a pure electric vehicle according to the present invention;
fig. 7 is a schematic view of a pure electric vehicle in embodiment 5 of the present invention.
Description of reference numerals: 1-a first branch; 2-a second branch; 3-air inlet channel; 4-a second temperature sensor; 5-a heating device; 6-a first temperature sensor; 7-a fuel oil heater; 8-a tail gas treatment device; 9-combustion chamber exhaust port; 10-an air inlet of the combustion chamber; 11-an oil pump; 12-air duct air inlet pipeline; 13-air inlet of battery pack air duct; 14-a third temperature sensor; 15-battery pack air duct; 16-a battery compartment; 17-a fan; 18-a battery pack; 19-battery pack air duct air outlet; 20-oil supply line; 21-an oil storage tank; 22-a controller; 23-a three-way valve; 24-a return channel; 25-a control panel; 26-a fuel heater; 27-an air outlet channel; 28-three-way valve; 29-a return channel; 30-battery pack air duct.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
as shown in fig. 1 to 6, the pure electric vehicle includes a battery compartment 16 disposed at the bottom of the pure electric vehicle, and a battery pack 18 is disposed in the battery compartment 16, and the battery pack 18 provides power for the vehicle to run. The battery compartment 16 is provided with a battery pack air duct 15 extending in the front-rear direction of the vehicle, the front end of the battery pack air duct 15 is provided with a battery pack air inlet 13, the rear end of the battery pack air duct 15 is provided with a battery pack air duct air outlet 19, and as can be seen from fig. 1, the battery pack air duct air outlet 19 is directly communicated with the vehicle interior. To increase the flow rate of the gas from the battery pack air duct inlet 13 to the battery pack air duct outlet 19, a fan 17 is disposed in the battery pack air duct 15.
In the present invention, when used in a low-temperature environment, the battery pack 18 is preheated, and the interior of the vehicle is heated during traveling, thereby increasing the travel distance of the pure electric vehicle. A heating system is arranged in the pure electric vehicle, wherein the heating system comprises a monitoring part, a control part and an execution part.
As shown in fig. 1, the executing part includes a heating device 5, the heating device 5 is disposed at the front end of the pure electric vehicle, the heating device 5 includes a gas passage, a fuel heater 7 is disposed on the gas passage, the fuel heater 7 heats air in the gas passage, the heated air enters the battery pack 18 to preheat the battery pack 18, and enters the vehicle to heat the vehicle. The fuel oil heater 7 is a commercially available air heating parking heater, and the fuel oil heater 7 heats air through fuel oil. The fuel oil heater 7 is arranged at the front end of the pure electric vehicle, the fuel oil heater 7 is provided with a heater air inlet and a heater air outlet, the fuel oil heater 7 is internally provided with a combustion chamber, the fuel oil heater 7 further comprises a combustion chamber air inlet 10 and a combustion chamber air outlet 9 which are connected with the combustion chamber, a tail gas treatment device 8 is installed on the combustion chamber air outlet 9, the tail gas after combustion is treated, and the environment pollution is reduced or even avoided.
An oil storage tank 21 is disposed at the rear of the pure electric vehicle, the oil storage tank 21 supplies oil to the fuel heater 7 through an oil supply line 20, and an oil pump 11 for pumping oil is mounted on the oil supply line 20.
The air channel comprises an air inlet channel 3 which is connected with an air inlet of the heater and arranged in the vehicle, and the air inlet channel 3 is provided with an air inlet of the air channel which is directly communicated with the inside of the vehicle. The air outlet of the heater is provided with two branches, namely a first branch 1 and a second branch 2, the first branch 1 and the second branch 2 are arranged at the air outlet of the heater in parallel, and the first branch 1 and the second branch 2 are both provided with air outlets of air channels. The first branch 1 is directly communicated with the interior of the vehicle, and the second branch 2 extends back to the first branch 1.
As shown in fig. 1, a return channel 24 is further disposed below the first branch 1, the return channel 24 is disposed in parallel with the first branch 1, in addition, an air duct intake duct 12 is further disposed on the air inlet 13 of the battery pack air duct, the air duct intake duct 12, the second branch 2, and the return channel 24 are connected through a three-way valve 23, specifically, as shown in fig. 2 and 3, the second branch 2 is connected to a port B of the three-way valve 23, the air duct intake duct 12 is connected to a port C of the three-way valve 23, and the return channel 24 is connected to a port D of the three-way valve 23. The three-way valve 23 has two working positions when in use, wherein one working position is communicated with the port B and the port C; the other station is communicated with the port C and the port D.
The monitoring part comprises a first temperature sensor 6, a second temperature sensor 4 and a third temperature sensor 14, wherein the first temperature sensor 6 is arranged at the air inlet of the heater and used for detecting the temperature at the air inlet of the heater, the second temperature sensor 4 is arranged at the air outlet of the heater and used for detecting the temperature at the air outlet of the heater, and the third temperature sensor 14 is arranged at the battery pack air duct 15 and used for detecting the temperature of the battery pack air duct 15, as shown in fig. 1.
The control part comprises a controller 22 and a control panel 25, the controller 22 can collect detection values of the first temperature sensor 6, the second temperature sensor 4 and the third temperature sensor 14 and feed back the detection values to the control panel 25, the controller 22 can also control the fuel heater 7 to be turned on and turned off, the oil pump 11 can be controlled to be turned on and off, and the three-way valve 23 can be controlled to be in different stations according to the collected temperature values.
As shown in fig. 4, the control panel 25 has a status indicator light and an expected temperature on the control panel 25, the expected temperature can be set, and the control panel 25 can also display the ambient temperature of the battery pack, the temperature of the heater inlet, the temperature of the heater outlet, a start/stop button, and a power button. Wherein, the power button controls the whole heating system to supply power and cut off the power. The start/stop button controls the start and stop of the whole heating system. The status indicator lamp indicates whether the fuel heater 7 is in an operating state, red indicates a fault, and green indicates normal. The desired temperature is the desired temperature of the interior space of the vehicle and may be manually adjusted via a button +/-manual adjustment. The ambient temperature of the battery pack is measured by the third temperature sensor 14 and indicates the current temperature in the vicinity of the battery pack. The temperature of the air inlet of the heater displays the current temperature of the inlet of the heater, the temperature is measured by the first temperature sensor 6, and the temperature is also the temperature of the space in the vehicle as the air inlet of the heater is directly communicated with the interior of the vehicle through the air inlet channel 3. The heater outlet temperature shows the current heater outlet temperature as measured by the second temperature sensor 4.
The using process of the invention is as follows:
after the power button is pressed, the system automatically measures the current temperature in the vehicle and the ambient temperature of the battery pack and displays the data on the control panel 25; after the start button is pressed, the system automatically compares the ambient temperature of the battery pack with the expected temperature of the battery pack (the expected ambient temperature of the battery pack is set in advance, the lowest working temperature of the battery is referred to, the system is preset, and manual setting is not needed), when the ambient temperature of the battery pack is lower than the expected temperature of the battery pack, the controller 22 controls the communication of the port B and the port C in the three-way valve 23, and the fuel heater 7 and the oil pump 11 are started.
After the fuel oil heater 7 works for a period of time, if the temperature of the air outlet of the heater is not higher than the temperature of the air inlet of the heater, the system is indicated to have a fault, the controller 22 controls the fuel oil heater 7 and the oil pump 11 to be closed, and meanwhile, the panel status indicator lamp is controlled to display red.
If the temperature of the air outlet of the heater is higher than that of the air inlet of the heater, the fuel oil heater 7 works normally, and the indicating lamp of the operation panel 25 displays green. At this time, as shown in fig. 5, a part of the heated air directly enters the vehicle interior space through the first branch 1, and the other part of the heated air enters the battery pack air duct 15 through the second branch 2, the three-way valve 23 and the air duct air inlet pipeline 12, so as to preheat the battery pack 18, and finally enters the vehicle interior space through the battery pack air duct air outlet 19. The fan 17 in the battery pack duct 15 can increase the circulation speed of air.
When the ambient temperature of the battery pack reaches a predetermined temperature, the control panel 25 indicates that "the vehicle has reached a suitable starting temperature", and the controller 22 controls the ports B and C of the three-way valve 23 to be opened and the ports C and D to be closed. The battery pack 18 does not need hot air delivered by the fuel heater 7, but is added into air circulation in the vehicle interior to secondarily heat the air in the vehicle by heat generated in the work, and as shown in fig. 6, the air in the vehicle enters the battery pack air duct 15 through the return passage 24, the three-way valve 23 and the air duct air inlet pipeline 12, and is finally discharged from the air outlet 19 of the battery pack air duct. Thereafter, the controller 22 controls the fuel heater 7 and the oil pump 11 to maintain the temperature of the vehicle interior space at the set temperature until the stop button is pressed.
After the stop button is pressed, the oil pump 11 and the fuel heater 7 are closed, and the whole system only keeps the temperature display function.
In this embodiment, the three-way valve 23 forms a control valve structure, and two stations of the three-way valve 23 correspond to two working modes of the control valve structure, one working mode is that the air inlet 13 of the battery pack air duct is communicated with the second branch 2 and disconnected from the return channel 24, and the other working mode is that the air inlet 13 of the battery pack air duct is communicated with the return channel 24 and disconnected from the second branch 2.
In the present embodiment, the fuel oil heater 7 uses liquid oil as fuel, and does not need electricity, and the fuel oil heater 7 is a fuel heater and is provided with a heat exchanger.
The specific embodiment 2 of the pure electric vehicle of the invention:
in embodiment 1, the fuel heater uses liquid oil as fuel, and correspondingly, an oil storage tank is arranged on the pure electric vehicle. In this embodiment, the fuel heater is a gas heater, natural gas or other combustible gas is used as fuel, correspondingly, a gas storage tank is arranged on the pure electric vehicle, the gas storage tank is connected with the gas heater through a gas supply pipe, and a valve is installed on the gas supply pipe to control the on-off of the gas supply pipe.
Of course, in other embodiments, the fuel heater may also be configured to produce heat by burning other fuels, such as other biofuels.
In other embodiments, the arrangement positions of the fuel heater and the container can be changed according to actual conditions.
The specific embodiment 3 of the pure electric vehicle of the invention:
in embodiment 1, the air inlet of the battery pack air duct, the return passage, and the second branch are switched and communicated by an integrated three-way valve, in this embodiment, the control valve structure may be arranged separately, for example, a three-way joint is arranged at the junction of the three, and separate valves are respectively installed on the second branch and the return passage.
The specific embodiment 4 of the pure electric vehicle of the invention:
in embodiment 1, the air inlet of the battery pack air duct is connected to the control valve structure through the air inlet pipeline of the air duct, and in this embodiment, the air inlet of the battery pack air duct may be directly connected to the control valve structure.
The specific embodiment 5 of the pure electric vehicle of the invention:
as shown in fig. 7, in each of the above embodiments, a first branch and a second branch are disposed at the air outlet of the heater, the first branch is directly communicated with the interior of the vehicle, and the second branch may be communicated with the air duct. It should be noted that, when only preheating of the battery pack and heating by using the residual heat of the battery pack are realized, the first branch may be eliminated, and an air outlet channel 27 in fig. 7 is formed, the air outlet channel 27 is connected to the fuel heater 26, the air outlet channel 27 is not directly communicated with the interior of the vehicle, and the air outlet channel 27, the return channel 29 and the battery pack air duct 30 are connected by a three-way valve 28.
in embodiment 1, the air inlet of the air passage is communicated with the inside of the vehicle, and in this embodiment, the air inlet of the air passage can be connected to the outside of the vehicle to implement external circulation.
in embodiment 1, in each of the above embodiments, the air inlet channel and the air outlet channel (or the first branch) in the air channel of the pure electric vehicle are both connected to the inside of the vehicle. When the pure electric vehicle is equipped with the air conditioning system, the gas channel can be used in cooperation with the air conditioning system, for example, a gas channel air inlet and a gas channel air outlet of the gas channel are both connected to a circulating air duct of the air conditioning system.
The specific embodiment 8 of the pure electric vehicle of the invention:
in the above embodiments, the fuel heater is a hot air fuel heater, in this embodiment, the fuel heater is a water heating heater, the fuel heater outputs hot water, and a heat exchanger is required to supply air to the battery pack and the vehicle, and the hot water in the heat exchanger can heat the air entering the air passage.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. A pure electric vehicle comprising:
a battery compartment in which a battery pack is disposed;
a battery pack air duct is arranged in the battery compartment, the battery pack air duct is provided with a battery pack air duct air inlet and a battery pack air duct air outlet, and the battery pack air duct air outlet is communicated with the inside of the vehicle;
the method is characterized in that: pure electric vehicles still includes:
the heating device comprises a gas channel, and the gas channel is provided with a fuel heater for heating gas or a fuel heater for heating gas and a heat exchanger matched with the fuel heater;
the gas channel is provided with a gas channel air inlet and a gas channel air outlet;
the pure electric vehicle also comprises a backflow channel, and the backflow channel is communicated with the interior of the pure electric vehicle;
pure electric vehicles still includes the control valve structure, and the control valve structure has two kinds of mode: one is to connect the air inlet of the battery pack air duct and the air outlet of the gas channel and disconnect the connection of the air inlet of the battery pack air duct and the return channel; one is to connect the air inlet of the battery pack air duct and the return passage and disconnect the connection of the air inlet of the battery pack air duct and the air outlet of the gas passage.
2. The pure electric vehicle of claim 1, characterized in that: a first branch and a second branch are arranged on the gas channel in parallel at one end where the gas channel air outlet is located, and each branch comprises the gas channel air outlet;
the first branch is communicated with the interior of the vehicle, and the second branch can be connected with the air inlet of the battery pack air duct through the control valve structure.
3. The pure electric vehicle of claim 2, characterized in that: and the air inlet of the air passage is communicated with the inside of the vehicle.
4. The pure electric vehicle of claim 3, characterized in that: the pure electric vehicle comprises an air conditioning system, the air conditioning system comprises a circulating air duct, and an air inlet and an air outlet of the air passage are connected to the circulating air duct.
5. The pure electric vehicle of claim 3, characterized in that: the air channel comprises an air inlet channel which is used for connecting the fuel heater and the vehicle, the air inlet channel comprises an air inlet of the air channel, the air inlet channel, the first branch and the backflow channel all extend into the vehicle, and the air inlet channel, the first branch and the backflow channel extend in parallel.
6. A pure electric vehicle according to any one of claims 1-5, characterized in that: the control valve structure comprises a three-way valve, and three interfaces of the three-way valve are respectively connected with the air inlet of the battery pack air duct, the backflow channel and the air outlet of the gas channel.
7. A pure electric vehicle according to any one of claims 1-5, characterized in that: and a fan for driving gas to flow is arranged in the battery pack air duct.
8. A pure electric vehicle according to any one of claims 1-5, characterized in that: the fuel heater is provided with a heater air inlet and a heater air outlet, and the pure electric vehicle comprises a temperature sensor for detecting the temperature of the heater air inlet and the heater air outlet.
9. A pure electric vehicle according to any one of claims 1-5, characterized in that: the pure electric vehicle further comprises a temperature sensor for detecting the temperature in the air duct of the battery pack, and a controller for controlling the control valve structure to switch the working mode according to the measured value of the temperature sensor.
10. A pure electric vehicle according to any one of claims 1-5, characterized in that: the pure electric vehicle comprises an oil storage tank or an air storage tank for supplying fuel to the fuel heater, and the fuel heater and the oil storage tank or the air storage tank are respectively arranged at the front end and the rear end of the pure electric vehicle.
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| CN202010344346.9A CN111452673A (en) | 2020-04-27 | 2020-04-27 | Pure electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010344346.9A CN111452673A (en) | 2020-04-27 | 2020-04-27 | Pure electric vehicle |
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| CN111452673A true CN111452673A (en) | 2020-07-28 |
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| CN202010344346.9A Pending CN111452673A (en) | 2020-04-27 | 2020-04-27 | Pure electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11752830B1 (en) | 2022-09-08 | 2023-09-12 | Aptera Motors Corp. | Aerodynamic heat exchanger for a vehicle |
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