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CN106004328A - Split type air conditioner system for pure electric vehicle - Google Patents

Split type air conditioner system for pure electric vehicle Download PDF

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Publication number
CN106004328A
CN106004328A CN201610431317.XA CN201610431317A CN106004328A CN 106004328 A CN106004328 A CN 106004328A CN 201610431317 A CN201610431317 A CN 201610431317A CN 106004328 A CN106004328 A CN 106004328A
Authority
CN
China
Prior art keywords
assembly
compressor
pressure
pipe
low
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610431317.XA
Other languages
Chinese (zh)
Inventor
朱广栋
高立超
王桂平
王彩艳
席道峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG TONGSUN REFRIGERATION EQUIPMENT CO Ltd
Original Assignee
SHANDONG TONGSUN REFRIGERATION EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANDONG TONGSUN REFRIGERATION EQUIPMENT CO Ltd filed Critical SHANDONG TONGSUN REFRIGERATION EQUIPMENT CO Ltd
Priority to CN201610431317.XA priority Critical patent/CN106004328A/en
Publication of CN106004328A publication Critical patent/CN106004328A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007Combined heating, ventilating, or cooling devices
    • B60H1/00021Air flow details of HVAC devices
    • B60H1/00028Constructional lay-out of the devices in the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007Combined heating, ventilating, or cooling devices
    • B60H1/00207Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392Air-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007Combined heating, ventilating, or cooling devices
    • B60H1/00207Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
    • B60H2001/00214Devices in front of the passenger compartment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007Combined heating, ventilating, or cooling devices
    • B60H1/00207Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
    • B60H2001/00235Devices in the roof area of the passenger compartment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention discloses a split type air conditioner system for a pure electric vehicle, and belongs to air conditioner systems. The split type air conditioner system structurally comprises a front HVAC assembly, a top evaporator assembly, an electric compressor and a condenser, wherein a compressor exhaust pipe of the electric compressor is connected with the condenser and provided with a pressure switch; the condenser is connected with the front HVAC assembly and the top evaporator assembly through a front cooling liquid outlet pipe which is connected with an HVAC liquid inlet pipe of the front HVAC assembly, and the condenser is further connected with a top evaporator liquid inlet pipe of the top evaporator assembly through a high-pressure connecting pipe. A top evaporator air outlet pipe of the top evaporator assembly is connected with a compressor air return pipe of the electric compressor through a low-pressure connecting pipe and an HVAC air outlet pipe of the front HVAC assembly. The top evaporator liquid inlet pipe is provided with an electromagnetic valve, the electric compressor is electrically connected with a battery of a finished vehicle and an electric control box, and the electric control box is electrically connected with an air conditioner control panel. By means of the split type air conditioner system for the pure electric vehicle, air quality management of a vehicle air conditioner is achieved, and the technical problem of serious energy consumption of the vehicle air conditioner is solved.

Description

Split type pure electric automobile air conditioning system
Technical field
The present invention relates to a kind of air conditioning system, a kind of split type pure electric automobile air conditioning system.
Background technology
At present, the new-energy automobile industry development impetus is good, to its supporting pure electric automobile air conditioning system Require more and more higher, but general pure electric automobile air conditioning system only passes through an evaporator assembly to compartment Refrigeration, regulates air in a car compartment quality, controls the most single extensive, and effect is unsatisfactory, and this structure Mode significantly consumes electricity, has a strong impact on car load course continuation mileage.
Summary of the invention
The technical assignment of the present invention is for a kind of split type pure electric automobile of above-mentioned not enough offer of the prior art By air conditioning system, this split type pure electric automobile air conditioning system has the air matter solving above-mentioned air conditioning for automobiles Buret reason and the serious technical problem that consumes energy.
The technical solution adopted for the present invention to solve the technical problems is: it is total that it includes that front HVAC assembly, top steam One-tenth, motor compressor and condenser, described front HVAC assembly is arranged on the under-dash of automotive front end, Top is steamed assembly and is arranged on top after automobile, described front HVAC assembly and top steaming assembly respectively by pipeline and electricity Dynamic compressor is connected, and the compressor exhaust pipe of motor compressor is connected with condenser, and compressor exhaust pipe is arranged Having pressure switch, condenser steams assembly by the most front HVAC assembly of front cold drain pipe with top and is connected, described Front cold drain pipe is connected with the HVAC feed tube of front HVAC assembly, steams assembly also by high-pressure connecting pipe with top Top steam feed tube and be connected, top is steamed the top of assembly and is steamed trachea by low-pressure connection tube and front HVAC assembly HVAC escape pipe is connected with the compressor return air pipe of motor compressor respectively, and described top is steamed and arranged on feed tube Electromagnetic valve, described motor compressor is had to electrically connect with car load battery, described motor compressor and electric-controlled box electricity Connecting, electric-controlled box electrically connects with Air-Conditioning Control Panel.
Described high-pressure connecting pipe includes the first high-pressure connecting pipe, the second high-pressure connecting pipe and the 3rd high-pressure connecting pipe, The two ends of the second described high-pressure connecting pipe connect the first high-pressure connecting pipe and the 3rd high-pressure connecting pipe respectively, described The first high-pressure connecting pipe drain pipe cold with before condenser be connected, the 3rd high-pressure connecting pipe with top steam assembly top Steaming feed tube is connected.
Described low-pressure connection tube includes the first low-pressure connection tube, the second low-pressure connection tube and the 3rd low-pressure connection tube, The two ends of the second described low-pressure connection tube connect the first low-pressure connection tube and the 3rd low-pressure connection tube respectively, described The first low-pressure connection tube top of steaming assembly with top steam trachea and be connected, the 3rd low-pressure connection tube and motor compressor Compressor return air pipe be connected.
Described motor compressor electrically connects with converter, and car load battery is provided with car load electrical quantity sensor, whole Car electrical quantity sensor, converter electrically connect with electric-controlled box respectively.
It is additionally provided with vehicle interior temperature sensor, vehicle interior temperature sensor and electric-controlled box in described front HVAC assembly Electrical connection.
Described vehicle outer side is provided with the outer temperature sensor of car, and the outer temperature sensor of car electrically connects with electric-controlled box, Described front HVAC assembly and top are steamed assembly and are connected to blower fan, and blower fan electrically connects with electric-controlled box.
Compared to the prior art the split type pure electric automobile air conditioning system of the present invention, has highlighted below having Benefit effect:
Split type pure electric automobile air conditioning system is provided with two vaporizers, before front HVAC assembly is arranged on automobile The under-dash of end, top is steamed assembly and is arranged on top after automobile, when there is no passenger, before can individually opening HVAC assembly is to meet driver's refrigeration demand;When patronage is more, can by open top steaming switch into And open top and steam assembly electromagnetic valve, open top and steam assembly, it is achieved the refrigeration demand of compartment postmedian.Two evaporations The independence of device assembly controls the zone refrigeration making air conditioning system realize compartment, it is ensured that air conditioning system refrigerating capacity, Air quality management is more efficient clearly;
Morning season in spring and autumn and evening, when outside compartment, temperature is relatively low, in compartment, temperature is higher, and air conditioning system can be drawn Entering all-fresh air, be effectively improved air in a car compartment quality, now blower fan operating, compressor does not run, further Reduce power consumption;
When in compartment, temperature is higher than design temperature, air-conditioning compressor meeting full speed running, refrigerating capacity is relatively big, car In railway carriage or compartment, the temperature difference is gradually reduced, and the continuous frequency reducing of compressor runs, until stopping;
Additionally, after car load electricity is reduced to 85% or closes top steaming assembly, the automatic fall-back of compressor, Reduce power consumption, be effectively improved car load course continuation mileage.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of split type pure electric automobile air conditioning system;
Accompanying drawing 2 is the control principle drawing of split type pure electric automobile air conditioning system;
Description of reference numerals: 1 condenser, cold drain pipe before 2,3HVAC feed tube, 4HVAC escape pipe, HVAC assembly before 5,6 first high-pressure connecting pipes, 7 second high-pressure connecting pipes, 8 the 3rd high-pressure connecting pipes, 9 Feed tube, 10 electromagnetic valves are steamed in top, and assembly is steamed on 11 tops, and 12 tops steam trachea, 13 first low-pressure connection tubes, and 14 Second low-pressure connection tube, 15 the 3rd low-pressure connection tubes, 16 compressor return air pipes, 17 motor compressors, 18 pressures Contracting machine exhaustor, 19 pressure switches, 20 car load batteries, 21 electric-controlled boxes, 22 Air-Conditioning Control Panels, 23 frequency conversions Device, 24 blower fans.
Detailed description of the invention
With reference to Figure of description 1 and accompanying drawing 2 below the split type pure electric automobile air conditioning system work to the present invention Explain.
The split type pure electric automobile air conditioning system of the present invention, its structure includes that front HVAC assembly 5, top are steamed Assembly 11, motor compressor 17 and condenser 1, described front HVAC assembly 5 is arranged on automotive front end Under-dash, top steaming assembly 11 is arranged on top after automobile, and described front HVAC assembly 5 and top are steamed total Become 11 to be connected with motor compressor 17 by pipeline respectively, the compressor exhaust pipe 18 of motor compressor 17 and Condenser 1 is connected, and compressor exhaust pipe 18 is provided with pressure switch 19, condenser 1 by front cold go out liquid The most front HVAC assembly 5 of pipe 2 steams assembly 11 with top and is connected, described front cold drain pipe 2 and front HVAC The HVAC feed tube 3 of assembly 5 is connected, and feed tube 9 is steamed on the top steaming assembly 11 also by high-pressure connecting pipe and top Being connected, top is steamed the top of assembly 11 and is steamed trachea 12 by low-pressure connection tube and the HVAC of front HVAC assembly 5 Escape pipe 4 is connected with the compressor return air pipe 16 of motor compressor 17 respectively, and described top is steamed on feed tube 9 Being provided with electromagnetic valve 10, described motor compressor 17 electrically connects with car load battery 20, described electric compressor Machine 17 electrically connects with electric-controlled box 21, and electric-controlled box 21 electrically connects with Air-Conditioning Control Panel 22.
Described high-pressure connecting pipe includes first high-pressure connecting pipe the 6, second high-pressure connecting pipe 7 and the 3rd high pressure even Adapter 8, the two ends of the second described high-pressure connecting pipe 7 connect the first high-pressure connecting pipe 6 and the 3rd high pressure respectively Connecting tube 8, the first described high-pressure connecting pipe 6 drain pipe 2 cold with before condenser 1 is connected, the 3rd high pressure Connecting tube 8 is steamed the top steaming feed tube 9 of assembly 11 and is connected with top.
Described low-pressure connection tube includes the first low-pressure connection tube the 13, second low-pressure connection tube 14 and the 3rd low pressure Connecting tube 15, the two ends of the second described low-pressure connection tube 14 connect the first low-pressure connection tube 13 and the 3rd respectively Low-pressure connection tube 15, the first described low-pressure connection tube 13 steams trachea 12 with the top of top steaming assembly 11 and is connected, 3rd low-pressure connection tube 15 is connected with the compressor return air pipe 16 of motor compressor 17.
Described motor compressor 17 electrically connects with converter 24, car load battery 20 is provided with car load electricity and passes Sensor, car load electrical quantity sensor, converter 24 electrically connect with electric-controlled box 21 respectively.
Being additionally provided with vehicle interior temperature sensor in described front HVAC assembly 5, vehicle interior temperature sensor is with automatically controlled Box 21 electrically connects.
Described vehicle outer side is provided with the outer temperature sensor of car, and the outer temperature sensor of car is electrically connected with electric-controlled box 21 Connecing, described front HVAC assembly 5 and top are steamed assembly 11 and are connected to blower fan 24, blower fan 24 and electric-controlled box 21 electrical connections.
When not having passenger below, can close top and steam assembly 11, before individually opening, HVAC assembly 5 is to meet Driver's refrigeration demand;When patronage is more, switch can be steamed by opening the top on Air-Conditioning Control Panel 22 And then open top steam assembly electromagnetic valve 10, open top steam assembly 11, top steam assembly 11 work, cold-producing medium via Compressor exhaust pipe 18 enters in condenser 1, high pressure gaseous be cooled to middle temperature high pressure conditions, and one is propped up Curb HVAC feed tube 3 enters into the evaporator core of front HVAC assembly 5, carries out cooling heat exchange, reduces Front portion, compartment temperature;One branch road steams feed tube 9 entrance top by high-pressure connecting pipe and top and steams assembly 11, it is achieved Effective refrigeration of compartment postmedian, it is achieved the refrigeration demand of compartment postmedian.The independence control of two evaporator assemblies System makes air conditioning system realize the zone refrigeration in compartment, it is ensured that air conditioning system refrigerating capacity, air quality management is more Add the most clearly.
When the relatively low and internal temperature height of ambient temperature in season in spring and autumn, air conditioning system can be introduced automatically in evening in the morning All-fresh air, is effectively improved air in a car compartment quality, will inspection by the outer temperature sensor of car and vehicle interior temperature sensor The outer temperature of the car measured and vehicle interior temperature pass to electric-controlled box 21, and then electric-controlled box 21 sends instruction, controls blower fan 24 operatings, the most only blower fan 24 operates, and motor compressor 17 does not work, and further reduces power consumption.
" design temperature " of the temperature detected when " vehicle interior temperature sensor " and Air-Conditioning Control Panel 22 respectively Being sent to electric-controlled box 21, when the two temperature difference is bigger, in electric-controlled box, ECU sends control signals to become by calculating Frequently device, makes motor compressor 17 full-speed operation, and air conditioning system refrigerating capacity is bigger;When in compartment, temperature moves closer to During design temperature, the temperature difference diminishes, and electric-controlled box 21 sends unlike signal to converter 23, makes motor compressor 17 Constantly frequency reducing runs, and after in compartment, temperature reaches design temperature, motor compressor 17 just shuts down, effectively Decrease power consumption.
Similarly, the car load electricity detected is sent to electric-controlled box 21, electric-controlled box by " car load electrical quantity sensor " ECU sends control signals to converter 23 through calculating so that the motor compressor 17 of air conditioning system fortune at full speed Turn;When car load electricity is less than 85%, electric-controlled box ECU transmission unlike signal, to converter 23, does down conversion process, Motor compressor 17 reduction of speed operates, and reduces air conditioning system power consumption, improves its course continuation mileage.
Illustrative embodiments listed above is intended for understanding that the present invention is used, and is not to technology described in the invention The restriction of scheme, about the those of ordinary skill in field, on the basis of technical scheme described in claim, also May be made that multiple change or deformation, change or the deformation of all equivalents all should contain the claim in the present invention Within protection domain.The present invention does not describes part in detail, is the known technology of those skilled in the art of the present technique.

Claims (6)

  1. The most split type pure electric automobile air conditioning system, is characterized in that: include that front HVAC assembly, top steam total One-tenth, motor compressor and condenser, described front HVAC assembly is arranged on the under-dash of automotive front end, Top is steamed assembly and is arranged on top after automobile, described front HVAC assembly and top steaming assembly respectively by pipeline and electricity Dynamic compressor is connected, and the compressor exhaust pipe of motor compressor is connected with condenser, and compressor exhaust pipe is arranged Having pressure switch, condenser steams assembly by the most front HVAC assembly of front cold drain pipe with top and is connected, described Front cold drain pipe is connected with the HVAC feed tube of front HVAC assembly, steams assembly also by high-pressure connecting pipe with top Top steam feed tube and be connected, top is steamed the top of assembly and is steamed trachea by low-pressure connection tube and front HVAC assembly HVAC escape pipe is connected with the compressor return air pipe of motor compressor respectively, and described top is steamed and arranged on feed tube Electromagnetic valve, described motor compressor is had to electrically connect with car load battery, described motor compressor and electric-controlled box electricity Connecting, electric-controlled box electrically connects with Air-Conditioning Control Panel.
  2. Split type pure electric automobile air conditioning system the most according to claim 1, is characterized in that: described High-pressure connecting pipe includes the first high-pressure connecting pipe, the second high-pressure connecting pipe and the 3rd high-pressure connecting pipe, described The two ends of two high-pressure connecting pipes connect the first high-pressure connecting pipe and the 3rd high-pressure connecting pipe respectively, and described first is high Pressure connecting tube drain pipe cold with before condenser is connected, and the 3rd high-pressure connecting pipe and top are steamed the top of assembly and steamed feed tube It is connected.
  3. Split type pure electric automobile air conditioning system the most according to claim 1, is characterized in that: described Low-pressure connection tube includes the first low-pressure connection tube, the second low-pressure connection tube and the 3rd low-pressure connection tube, described The two ends of two low-pressure connection tubes connect the first low-pressure connection tube and the 3rd low-pressure connection tube respectively, and described first is low Pressure connecting tube steams trachea with the top of top steaming assembly and is connected, the 3rd low-pressure connection tube and the compressor of motor compressor Muffler is connected.
  4. Split type pure electric automobile air conditioning system the most according to claim 1, is characterized in that: described Motor compressor electrically connects with converter, and car load battery is provided with car load electrical quantity sensor, and car load electricity senses Device, converter electrically connect with electric-controlled box respectively.
  5. Split type pure electric automobile air conditioning system the most according to claim 4, is characterized in that: described Being additionally provided with vehicle interior temperature sensor in front HVAC assembly, vehicle interior temperature sensor electrically connects with electric-controlled box.
  6. Split type pure electric automobile air conditioning system the most according to claim 5, is characterized in that: described Vehicle outer side is provided with the outer temperature sensor of car, and the outer temperature sensor of car electrically connects with electric-controlled box, described before HVAC assembly and top are steamed assembly and are connected to blower fan, and blower fan electrically connects with electric-controlled box.
CN201610431317.XA 2016-06-17 2016-06-17 Split type air conditioner system for pure electric vehicle Pending CN106004328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610431317.XA CN106004328A (en) 2016-06-17 2016-06-17 Split type air conditioner system for pure electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610431317.XA CN106004328A (en) 2016-06-17 2016-06-17 Split type air conditioner system for pure electric vehicle

Publications (1)

Publication Number Publication Date
CN106004328A true CN106004328A (en) 2016-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610431317.XA Pending CN106004328A (en) 2016-06-17 2016-06-17 Split type air conditioner system for pure electric vehicle

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114274729A (en) * 2021-12-16 2022-04-05 东风汽车集团股份有限公司 CO2Control method of heat pump system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060042284A1 (en) * 2004-09-01 2006-03-02 Behr Gmbh & Co. Kg Stationary vehicle air conditioning system and method
CN2763753Y (en) * 2005-01-13 2006-03-08 安徽江淮汽车股份有限公司 Car air conditioning system
DE102009033884A1 (en) * 2009-07-20 2011-01-27 Bayerische Motoren Werke Aktiengesellschaft Cooling device i.e. air conditioning system, for e.g. hybrid vehicle, has evaporator arranged after condenser, and another evaporator arranged parallel to former evaporator, where evaporator capacity of latter evaporator is adjustable
CN103245008A (en) * 2012-02-07 2013-08-14 Lg电子株式会社 Air conditioner for electric vehicle
CN105270136A (en) * 2014-07-16 2016-01-27 福特全球技术公司 Maximizing defrost mode in electrified vehicle having dual evaporator and dual heater core climate control system
CN205736776U (en) * 2016-06-17 2016-11-30 山东通盛制冷设备有限公司 Split type pure electric automobile air conditioning system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060042284A1 (en) * 2004-09-01 2006-03-02 Behr Gmbh & Co. Kg Stationary vehicle air conditioning system and method
CN2763753Y (en) * 2005-01-13 2006-03-08 安徽江淮汽车股份有限公司 Car air conditioning system
DE102009033884A1 (en) * 2009-07-20 2011-01-27 Bayerische Motoren Werke Aktiengesellschaft Cooling device i.e. air conditioning system, for e.g. hybrid vehicle, has evaporator arranged after condenser, and another evaporator arranged parallel to former evaporator, where evaporator capacity of latter evaporator is adjustable
CN103245008A (en) * 2012-02-07 2013-08-14 Lg电子株式会社 Air conditioner for electric vehicle
CN105270136A (en) * 2014-07-16 2016-01-27 福特全球技术公司 Maximizing defrost mode in electrified vehicle having dual evaporator and dual heater core climate control system
CN205736776U (en) * 2016-06-17 2016-11-30 山东通盛制冷设备有限公司 Split type pure electric automobile air conditioning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114274729A (en) * 2021-12-16 2022-04-05 东风汽车集团股份有限公司 CO2Control method of heat pump system
CN114274729B (en) * 2021-12-16 2023-09-05 东风汽车集团股份有限公司 CO 2 Control method of heat pump system

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Application publication date: 20161012