CN112757873B - Energy-saving logic design method of electric air conditioner - Google Patents
Energy-saving logic design method of electric air conditioner Download PDFInfo
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- CN112757873B CN112757873B CN202110119426.9A CN202110119426A CN112757873B CN 112757873 B CN112757873 B CN 112757873B CN 202110119426 A CN202110119426 A CN 202110119426A CN 112757873 B CN112757873 B CN 112757873B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004378 air conditioning Methods 0.000 claims description 64
- 230000008020 evaporation Effects 0.000 claims description 18
- 238000001704 evaporation Methods 0.000 claims description 18
- 230000001932 seasonal effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/0073—Control systems or circuits characterised by particular algorithms or computational models, e.g. fuzzy logic or dynamic models
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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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
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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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Fuzzy Systems (AREA)
- Theoretical Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an energy-saving logic design method of an electric air conditioner, which comprises the steps of designing the division logic of the use seasons of the electric air conditioner, defining the temperature of the seasons, defining the rotating speed of a compressor in spring and autumn, defining the logic of an air outlet switch point of the electric air conditioner in early summer, defining the logic of the air outlet switch point of the electric air conditioner in summer, defining the rotating speed of the compressor in early summer and summer, defining the updating logic of the rotating speed and defining the rotating speed increasing logic of the compressor in early summer and summer; the season is judged according to the external temperature, the optimal rotating speed of the compressor is judged according to the season, the set temperature, the evaporator temperature and the wind speed gear, the energy-saving logic of the designed electric air conditioner can reduce the energy consumption of the compressor through reducing the rotating speed of the compressor in spring and autumn, the driving endurance mileage of a vehicle can be improved on the premise of meeting the requirement of human body comfort, and the energy-saving effect is good.
Description
Technical Field
The invention relates to the technical field of energy-saving control of electric vehicle air conditioners, in particular to an energy-saving logic design method of an electric air conditioner.
Background
At present, for an electric automobile, the cruising ability of a battery is the most concerned thing of a consumer, and the electric energy of the battery is consumed synchronously when an air conditioner is started, so that the cruising ability of the electric automobile is reduced, and how to realize the purpose that the requirement of human body comfort can be met and the electric energy can be saved under different environments is of great research significance; therefore, the invention provides an energy-saving logic design method of an electric air conditioner, which aims to overcome the defects in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a method for designing an energy-saving logic of an electric air conditioner, wherein the season is determined according to an external temperature, and the optimal rotation speed of a compressor is determined according to the season, a set temperature, an evaporator temperature and a wind speed gear.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme:
an energy-saving logic design method of an electric air conditioner comprises the following steps:
the method comprises the following steps: logic for dividing designed electric air conditioner into seasons
Dividing the whole year into four components including spring and autumn, early summer, summer and winter;
step two: defining seasonal temperature
Defining an environment temperature interval of 10-18 ℃ in spring and autumn, an environment temperature interval of 10-25 ℃ in early summer, an environment temperature of 25 ℃ or above in summer and an environment temperature of 10 ℃ or below in winter;
step three: defining the rotation speed of compressor in spring and autumn
When the wind speed is 1 gear, 2 gears and 3 gears, defining the rotating speed of the electric air-conditioning compressor in spring and autumn, and when the wind speed is more than 3 gears, adding an evaporation parameter to define the rotating speed of the electric air-conditioning compressor in spring and autumn;
step four: logic for defining air outlet switch point of electric air conditioner in early summer
Firstly, defining the temperature compensation standard of the electric air conditioner in early summer as 2 ℃, and then adjusting the switch point logic of the air outlet of the electric air conditioner in early summer according to the temperature compensation standard;
step five: defining summer electric air conditioner air outlet switch point logic
Firstly, defining the temperature compensation standard in summer as 2 ℃, and then adjusting the logic of the switch point of the air outlet of the electric air conditioner in summer according to the temperature compensation standard;
step six: defining compressor speed in early summer and summer
The rotating speed of the electric air-conditioning compressor in the early summer is defined as 2200r/min, and the rotating speed of the electric air-conditioning compressor in the summer is defined as 2500r/min;
step seven: defining rotational speed update logic
In the rotating speed adjusting process, when the rotating speed is increased, the rotating speed is updated and adjusted every 25 s; when the rotating speed is reduced, updating and adjusting the rotating speed every 5 s;
step eight: defining compressor speed increase logic for early summer and summer
The increase in compressor speed in the early summer and summer is defined when the outlet air temperature is higher than the switch point temperature, when the outlet air temperature is lower than the switch point temperature, and when the outlet air temperature is between the switch point and the switch point.
The further improvement is that: in the third step, when the wind speed is 1 gear, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined as 1000r/min, when the wind speed is 2 gears, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined as 1200r/min, and when the wind speed is 3 gears, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined as 1400r/min.
The further improvement is that: in the third step, when the wind speed is higher than 3 grades, the evaporation capacity is larger than 16mm, and the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 4000r/min; when the wind speed is higher than 3 grades and the evaporation capacity is larger than 12mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined as 3200r/min; when the wind speed is higher than 3 grades and the evaporation capacity is larger than 8mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 2500r/min; when the wind speed is higher than 3 grades and the evaporation capacity is larger than 5mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1700r/min; when the wind speed is higher than 3 grades, the evaporation capacity is larger than 3mm, and the rotating speed of the electric air-conditioning compressor in spring and autumn is 1300r/min.
The further improvement lies in that: in the fourth step, when the temperature compensation standard in early summer is 2 ℃, the switching point logic of the air outlet of the electric air conditioner in early summer is as follows:
{13,11},//set<22，
{15,13},//set>=22&&set<24，
{17,15},//set>=24&&set<26，
{25,23},//set>26。
the further improvement lies in that: in the fifth step, when the temperature compensation standard in summer is 2 ℃, the summer electric air-conditioning outlet switching point logic is as follows:
{11,9},//set<22，
{13,11},//set>=22&&set<24，
{15,13},//set>=24&&set<26，
{18,16},//set>26。
the further improvement is that: in the step eight, when the outlet air temperature is higher than the temperature of the switch point, the rotating speed of the electric air-conditioning compressor in early summer is increased by 500r/min in a stepping mode, the rotating speed of the electric air-conditioning compressor in summer is increased by 200r/min in a stepping mode, and the maximum critical point of the rotating speed of the electric air-conditioning compressor is 6000r/min.
The further improvement lies in that: in the step eight, when the temperature of the outlet air is lower than the temperature of the switch point, the rotating speed of the electric air-conditioning compressor in early summer is reduced by 300r/min in a stepping mode, the rotating speed of the electric air-conditioning compressor in summer is reduced by 100r/min in a stepping mode, and the minimum critical point of the rotating speed of the electric air-conditioning compressor is 1200r/min.
The further improvement lies in that: in the step eight, when the air outlet temperature is between the opening point and the closing point, the rotating speed of the electric air-conditioning compressor is increased by 500r/min, and the maximum critical point of the rotating speed of the electric air-conditioning compressor is 6000r/min.
The beneficial effects of the invention are as follows: the energy-saving logic design method of the electric air conditioner judges the season according to the external temperature, and then judges the optimal rotating speed of the compressor according to the season, the set temperature, the evaporator temperature and the wind speed gear, and the designed energy-saving logic of the electric air conditioner can reduce the energy consumption of the compressor by reducing the rotating speed of the compressor in spring and autumn, can improve the driving endurance mileage of a vehicle on the premise of meeting the requirement of human body comfort, and has good energy-saving effect.
Drawings
FIG. 1 is a schematic flow chart of the design method of the present invention.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not intended to limit the scope of the present invention.
According to fig. 1, the embodiment provides an energy-saving logic design method for an electric air conditioner, which includes the following steps:
the method comprises the following steps: logic for dividing designed electric air conditioner into seasons
Dividing the whole year into four components including spring and autumn, early summer, summer and winter;
step two: defining seasonal temperature
Defining an environment temperature interval of 10-18 ℃ in spring and autumn, an environment temperature interval of 10-25 ℃ in early summer, an environment temperature of 25 ℃ or above in summer and an environment temperature of 10 ℃ or below in winter;
step three: defining the rotation speed of compressor in spring and autumn
When the wind speed is 1 gear, 2 gears and 3 gears, defining the rotating speed of the electric air-conditioning compressor in spring and autumn, and when the wind speed is more than 3 gears, adding an evaporation parameter to define the rotating speed of the electric air-conditioning compressor in spring and autumn;
when the wind speed is 1 grade, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1000r/min, when the wind speed is 2 grade, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1200r/min, and when the wind speed is 3 grade, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1400r/min;
when the wind speed is higher than 3 grades and the evaporation capacity is larger than 16mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 4000r/min; when the wind speed is higher than 3 grades and the evaporation capacity is larger than 12mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined as 3200r/min; when the wind speed is higher than 3 grades and the evaporation capacity is larger than 8mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 2500r/min; when the wind speed is higher than 3 grades and the evaporation capacity is larger than 5mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1700r/min; when the wind speed is higher than 3 grades, the evaporation capacity is larger than 3mm, and the rotating speed of the electric air-conditioning compressor in spring and autumn is 1300r/min.
Step four: logic for defining switch point of air outlet of electric air conditioner in early summer
Firstly, defining the temperature compensation standard of the early summer as 2 ℃, and then adjusting the switch point logic of the electric air-conditioning outlet in the early summer according to the temperature compensation standard, wherein the switch point logic of the electric air-conditioning outlet in the early summer is as follows:
{13,11},//set<22，
{15,13},//set>=22&&set<24，
{17,15},//set>=24&&set<26，
{25,23},//set>26；
step five: defining summer electric air conditioner air outlet switch point logic
Firstly, defining the temperature compensation standard in summer as 2 ℃, and then adjusting the switching point logic of the summer electric air-conditioning air outlet according to the temperature compensation standard, wherein the switching point logic of the summer electric air-conditioning air outlet is as follows:
{11,9},//set<22，
{13,11},//set>=22&&set<24，
{15,13},//set>=24&&set<26，
{18,16},//set>26；
step six: defining compressor speed for early summer and summer
The rotating speed of the electric air-conditioning compressor in the early summer is defined as 2200r/min, and the rotating speed of the electric air-conditioning compressor in the summer is defined as 2500r/min;
step seven: defining rotational speed update logic
In the rotating speed adjusting process, when the rotating speed is increased, the rotating speed is updated and adjusted every 25 s; when the rotating speed is reduced, updating and adjusting the rotating speed every 5 s;
step eight: defining compressor speed increase logic for early summer and summer
Defining the increment of the rotation speed of the compressor in the first summer and summer when the outlet air temperature is higher than the temperature of the switch point, when the outlet air temperature is lower than the temperature of the switch point and when the outlet air temperature is between the switch point and the switch point;
when the temperature of the outlet air is higher than the temperature of the switch point, the rotating speed of the electric air-conditioning compressor in early summer is increased by 500r/min in a stepping mode, the rotating speed of the electric air-conditioning compressor in summer is increased by 200r/min in a stepping mode, and the maximum critical point of the rotating speed of the electric air-conditioning compressor is 6000r/min;
when the air outlet temperature is lower than the temperature of the switch point, the rotating speed of the electric air-conditioning compressor in early summer is reduced by 300r/min in a stepping mode, the rotating speed of the electric air-conditioning compressor in summer is reduced by 100r/min in a stepping mode, and the minimum critical point of the rotating speed of the electric air-conditioning compressor is 1200r/min;
when the air outlet temperature is between the opening point and the closing point, the rotating speed of the electric air-conditioning compressor is increased by 500r/min, and the maximum critical point of the rotating speed of the electric air-conditioning compressor is 6000r/min.
The energy-saving logic design method of the electric air conditioner judges seasons according to the external temperature, and then judges the optimal rotating speed of the compressor according to the seasons, the set temperature, the evaporator temperature and the wind speed gear, and the designed energy-saving logic of the electric air conditioner can reduce the energy consumption of the compressor by reducing the rotating speed of the compressor in spring and autumn, can improve the driving endurance mileage of a vehicle on the premise of meeting the requirement of human body comfort, and has good energy-saving effect.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An energy-saving logic design method of an electric air conditioner is characterized in that: the method comprises the following steps:
the method comprises the following steps: logic for dividing designed electric air conditioner into seasons
Dividing the whole year into four components including spring and autumn, early summer, summer and winter;
step two: defining seasonal temperature
Defining an environmental temperature interval of spring and autumn as 10-18 ℃, defining an environmental temperature interval of early summer as 10-25 ℃, defining an environmental temperature of summer as 25 ℃ and above, and defining an environmental temperature of winter as 10 ℃ and below;
step three: defining the rotation speed of compressor in spring and autumn
When the wind speed is 1 gear, 2 gears and 3 gears, defining the rotating speed of the electric air-conditioning compressor in spring and autumn, and when the wind speed is more than 3 gears, adding an evaporation parameter to define the rotating speed of the electric air-conditioning compressor in spring and autumn;
step four: logic for defining switch point of air outlet of electric air conditioner in early summer
Firstly, defining the temperature compensation standard of early summer as 2 ℃, and then adjusting the switch point logic of the air outlet of the electric air conditioner in early summer according to the temperature compensation standard;
step five: defining summer electric air conditioner air outlet switch point logic
Firstly, defining the temperature compensation standard in summer as 2 ℃, and then adjusting the on-off point logic of the air outlet of the electric air conditioner in summer according to the temperature compensation standard;
step six: defining compressor speed in early summer and summer
The rotating speed of the electric air-conditioning compressor in the early summer is defined as 2200r/min, and the rotating speed of the electric air-conditioning compressor in the summer is defined as 2500r/min;
step seven: defining rotational speed update logic
In the rotating speed adjusting process, when the rotating speed is increased, the rotating speed is updated and adjusted every 25 s; when the rotating speed is reduced, updating and adjusting the rotating speed every 5 s;
step eight: defining compressor speed increase logic for early summer and summer
The increase in compressor speed in the early summer and summer is defined when the outlet air temperature is higher than the switch point temperature, when the outlet air temperature is lower than the switch point temperature, and when the outlet air temperature is between the switch point and the switch point.
2. The energy-saving logic design method of the electric air conditioner as claimed in claim 1, wherein: in the third step, when the wind speed is 1 grade, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1000r/min, when the wind speed is 2 grade, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1200r/min, and when the wind speed is 3 grade, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1400r/min.
3. The energy saving logic design method of an electric air conditioner according to claim 1, wherein: in the third step, when the wind speed is higher than 3 grades, the evaporation capacity is larger than 16mm, and the rotating speed of the electric air conditioner compressor in spring and autumn is defined to be 4000r/min; when the wind speed is higher than 3 grades, the evaporation capacity is larger than 12mm, and the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 3200r/min; when the wind speed is higher than 3 grades and the evaporation capacity is larger than 8mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 2500r/min; when the wind speed is higher than 3 grades and the evaporation capacity is larger than 5mm, the rotating speed of the electric air-conditioning compressor in spring and autumn is defined to be 1700r/min; when the wind speed is higher than 3 grades, the evaporation capacity is larger than 3mm, and the rotating speed of the electric air-conditioning compressor in spring and autumn is 1300r/min.
4. The energy-saving logic design method of the electric air conditioner as claimed in claim 1, wherein: in the step eight, when the outlet air temperature is higher than the temperature of the switch point, the rotating speed of the electric air-conditioning compressor in early summer is increased by 500r/min in a stepping mode, the rotating speed of the electric air-conditioning compressor in summer is increased by 200r/min in a stepping mode, and the maximum critical point of the rotating speed of the electric air-conditioning compressor is 6000r/min.
5. The energy-saving logic design method of the electric air conditioner as claimed in claim 1, wherein: in the step eight, when the outlet air temperature is lower than the temperature of the switch point, the rotating speed of the electric air-conditioning compressor in early summer is reduced by 300r/min in a stepping mode, the rotating speed of the electric air-conditioning compressor in summer is reduced by 100r/min in a stepping mode, and the minimum critical point of the rotating speed of the electric air-conditioning compressor is 1200r/min.
6. The energy-saving logic design method of the electric air conditioner as claimed in claim 1, wherein: in the step eight, when the air outlet temperature is between the opening point and the closing point, the rotating speed of the electric air-conditioning compressor is increased by 500r/min, and the maximum critical point of the rotating speed of the electric air-conditioning compressor is 6000r/min.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632156A (en) * | 1994-04-25 | 1997-05-27 | Nippondenso Co., Ltd. | Automotive air conditioning system |
| CN103471211A (en) * | 2012-06-07 | 2013-12-25 | 苏州昆拓热控系统股份有限公司 | Air conditioner with variable cooling capacity |
| CN108482063A (en) * | 2018-04-02 | 2018-09-04 | 奇瑞汽车股份有限公司 | A kind of control method and device of motor compressor for vehicle air conditioner rotating speed |
| CN111959233A (en) * | 2020-08-31 | 2020-11-20 | 芜湖云雀电子科技有限公司 | Cabin climate automatic control system of pure electric vehicle and control method thereof |
| CN112172455A (en) * | 2020-10-19 | 2021-01-05 | 重庆邮电大学 | Temperature control method for heat pump air conditioner of electric automobile |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632156A (en) * | 1994-04-25 | 1997-05-27 | Nippondenso Co., Ltd. | Automotive air conditioning system |
| CN103471211A (en) * | 2012-06-07 | 2013-12-25 | 苏州昆拓热控系统股份有限公司 | Air conditioner with variable cooling capacity |
| CN108482063A (en) * | 2018-04-02 | 2018-09-04 | 奇瑞汽车股份有限公司 | A kind of control method and device of motor compressor for vehicle air conditioner rotating speed |
| CN111959233A (en) * | 2020-08-31 | 2020-11-20 | 芜湖云雀电子科技有限公司 | Cabin climate automatic control system of pure electric vehicle and control method thereof |
| CN112172455A (en) * | 2020-10-19 | 2021-01-05 | 重庆邮电大学 | Temperature control method for heat pump air conditioner of electric automobile |
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Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hozon New Energy Automobile Co., Ltd. Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: Hozon New Energy Automobile Co., Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hozon New Energy Automobile Co., Ltd. |