CN102506498B - Control method of automobile air-conditioning system - Google Patents
Control method of automobile air-conditioning system Download PDFInfo
- Publication number
- CN102506498B CN102506498B CN201110294798.1A CN201110294798A CN102506498B CN 102506498 B CN102506498 B CN 102506498B CN 201110294798 A CN201110294798 A CN 201110294798A CN 102506498 B CN102506498 B CN 102506498B
- Authority
- CN
- China
- Prior art keywords
- air
- compressor
- conditioner controller
- temperature
- evaporimeter
- 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.)
- Active
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010257 thawing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides an independently controllable automobile air-conditioning system with double evaporators and a control method of the automobile air-conditioning system. Energy conservation and emission reduction are realized while automobile internal comfort is guaranteed, and good economic benefit is realized. The automobile air-conditioning system with the double evaporators comprises a compressor, a condenser, a liquid storage dryer and an air-conditioning controller, the compressor, the condenser and the liquid storage dryer are successively serially connected via a pipeline, the liquid storage dryer is connected with two branches via two branched pipelines, one of the two branches is connected with a front electromagnetic valve, a front expansion valve and a front evaporator, the other branch is connected with a rear electromagnetic valve, a rear expansion valve and a rear evaporator, the front evaporator and the rear evaporator are connected with the compressor via a pressure balance device, and the front electromagnetic valve, the rear electromagnetic valve and the compressor are controlled by the air-conditioning controller. The air-conditioning system comprises the two evaporators, is high in refrigerating output and fast in cooling, can keep fine automobile internal comfort, saves energy and has good economic benefit. Operation of the two evaporators is controlled independently.
Description
Technical field
The invention belongs to automobile air conditioning technology field, specially refer to a kind of automobile double evaporimeter air-conditioning system and the control method thereof that can independently control that is applicable to large-scale MPV vehicle.
Background technology
Commercial vehicle, as the important vehicles of long-distance journey, is well received by consumers, and commercial vehicle is also higher to the comfortableness requirement of car load, especially during the broiling summer with cold winter, higher to the performance requirement of air-conditioning system.Large-scale commercial vehicle is typically equipped with three rows or more rows' seat, and traditional air-conditioning is generally all arranged in instrument desk below, is subject to air quantity and refrigeration quantitative limitation, is difficult to the comfort level of row passenger after guaranteeing.Although can strengthen air quantity and the refrigerating capacity of air-conditioning, because front and rear row is distant, is still difficult to temperature and the wind speed of balance front and rear row, so is difficult to make the passenger of front and rear row to feel comfortably cool simultaneously.
Summary of the invention
The object of the invention is to propose a kind of automobile double evaporimeter air-conditioning system and the control method thereof that can independently control that is applicable to large-scale MPV vehicle, when guaranteeing car comfort inside, take into account energy-saving and emission-reduction, there is good economic benefit.
Automobile double evaporimeter air-conditioning system of the present invention comprises compressor, condenser, liquid storage dryer and air-conditioner controller, key is that described compressor, condenser, liquid storage dryer connect successively by pipeline, described liquid storage dryer is connected with two branch roads by two branch lines, in described two branch roads, a branch road is connected with front magnetic valve, front expansion valve and front evaporator, and another branch road is connected with rear electromagnetic valve, rear expansion valve and finisher; Described front evaporator, finisher are connected with compressor by pressure equaliser; Described front magnetic valve, rear electromagnetic valve, compressor are controlled by air-conditioner controller all.
Above-mentioned air-conditioning system possesses two evaporimeters that can independently control, and its control method specifically comprises the steps:
A: open air-conditioning: air-conditioner controller first according to user command, open before magnetic valve and/or rear electromagnetic valve to open front evaporator and/or finisher, and then detection vehicle interior temperature, the outer temperature of car and air conditioning pressure, outside vehicle interior temperature, car, temperature and the air conditioning pressure time control compressor processed that satisfies condition is opened, thereby starts air-conditioning;
B: close air-conditioning: air-conditioner controller is closed front magnetic valve and/or rear electromagnetic valve to close front evaporator and/or finisher according to user command, after front evaporator and finisher are all closed, air-conditioner controller close compressor.
Further, the power proportions of described front evaporator and finisher is 6:4, and the power of air blast correspondingly.Liquid storage dryer volume is wanted enough greatly, effective storing liquid cold-producing medium when only having an evaporator operation.
Further, described compressor is the fixed displacement compressor with antifrost function, and described front evaporator is provided with finisher the temperature sensor being connected with air-conditioner controller, and its Defrost method comprises the steps:
C: air-conditioner defrosting: when only having an evaporator operation, if the temperature that air-conditioner controller detects this evaporimeter is during lower than the design temperature of frosting, air-conditioner controller close compressor, only have when the temperature of this evaporimeter returns to more than 6 ℃ and interval greater than 8 seconds, air-conditioner controller is opened compressor; When two evaporimeters are all when working, if the temperature of one of them evaporimeter is during lower than the design temperature of frosting, air-conditioner controller is closed magnetic valve that should evaporimeter, only when the temperature of this evaporimeter returns to more than 6 ℃ and interval greater than 8 seconds, air-conditioner controller is opened magnetic valve that should evaporimeter; When the temperature of two evaporimeters is during all lower than the design temperature of frosting, air-conditioner controller close compressor, any one evaporimeter temperature return to that 6 ℃ above and during interval greater than 8 seconds, air-conditioner controller is opened compressor.
Further, in the pipeline between described condenser and liquid storage dryer, be provided with pressure sensor, the method for its pressure protect specifically comprises the steps:
D: pressure protect: air-conditioner controller detects the pressure in the pipeline of place by pressure sensor, the pressure in pipeline is during lower than 2.0bar or higher than 32bar, air-conditioner controller close compressor.
Automobile double evaporimeter air-conditioning system of the present invention comprises two evaporimeters, and refrigerating capacity is large, and cooling is fast, can keep good car comfort inside, and the work of two evaporimeters independently controls, energy-conservation, has good economic benefit.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of automobile double evaporimeter air-conditioning system of the present invention.
The specific embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and operation principle etc.
Embodiment 1:
As shown in Figure 1, the automobile double evaporimeter air-conditioning system of the present embodiment comprises fixed displacement compressor 1, condenser 2, pressure sensor 3, liquid storage dryer 4 and the air-conditioner controller with antifrost function, compressor 1, condenser 2, pressure sensor 3, liquid storage dryer 4 are connected successively by pipeline, liquid storage dryer 4 is connected with two branch roads by two branch lines, in described two branch roads, a branch road is connected with front magnetic valve 5, front expansion valve 6 and front evaporator 7, and another branch road is connected with rear electromagnetic valve 8, rear expansion valve 9 and finisher 10; Described front evaporator 7, finisher 10 are connected with compressor 1 by pressure equaliser 11; Front evaporator 7 is provided with finisher 10 temperature sensor being connected with air-conditioner controller, front electromagnetism, 5, rear electromagnetic valve 8, compressor 1 be all subject to air-conditioner controller to control (air-conditioner controller not shown in FIG. and temperature sensor).
Above-mentioned air-conditioning system possesses two evaporimeters that can independently control, and its control method specifically comprises the steps:
A: open air-conditioning: air-conditioner controller first according to user command, open before magnetic valve and/or rear electromagnetic valve to open front evaporator and/or finisher, and then detection vehicle interior temperature, the outer temperature of car and air conditioning pressure, outside vehicle interior temperature, car, temperature and the air conditioning pressure time control compressor processed that satisfies condition is opened, thereby starts air-conditioning;
B: close air-conditioning: air-conditioner controller is closed front magnetic valve and/or rear electromagnetic valve to close front evaporator and/or finisher according to user command, after front evaporator and finisher are all closed, air-conditioner controller close compressor.
C: air-conditioner defrosting: when only having an evaporator operation, when if air-conditioner controller detects the temperature of this evaporimeter lower than the design temperature (can be set as 0 ℃) of frosting, air-conditioner controller close compressor, only have when the temperature of this evaporimeter returns to more than 6 ℃ and interval greater than 8 seconds, air-conditioner controller is opened compressor; When two evaporimeters are all when working, if the temperature of one of them evaporimeter is during lower than the design temperature of frosting, air-conditioner controller is closed magnetic valve that should evaporimeter, only when the temperature of this evaporimeter returns to more than 6 ℃ and interval greater than 8 seconds, air-conditioner controller is opened magnetic valve that should evaporimeter; When the temperature of two evaporimeters is during all lower than the design temperature of frosting, air-conditioner controller close compressor, any one evaporimeter temperature return to that 6 ℃ above and during interval greater than 8 seconds, air-conditioner controller is opened compressor.
D: pressure protect: air-conditioner controller detects the pressure in the pipeline of place by pressure sensor, the pressure in pipeline is during lower than 2.0bar or higher than 32bar, air-conditioner controller close compressor.
Claims (4)
1. the control method of an automobile double evaporimeter air-conditioning system, this air-conditioning system comprises compressor, condenser, liquid storage dryer and air-conditioner controller, described compressor, condenser, liquid storage dryer are connected successively by pipeline, described liquid storage dryer is connected with two branch roads by two branch lines, in described two branch roads, a branch road is connected with front magnetic valve, front expansion valve and front evaporator, and another branch road is connected with rear electromagnetic valve, rear expansion valve and finisher; Described front evaporator, finisher are connected with compressor by pressure equaliser; Described front magnetic valve, rear electromagnetic valve, compressor are controlled by air-conditioner controller all; Described compressor is the fixed displacement compressor with antifrost function, and described front evaporator is provided with finisher the temperature sensor being connected with air-conditioner controller; The control method that it is characterized in that this air-conditioning system comprises the steps:
A: open air-conditioning: air-conditioner controller first according to user command, open before magnetic valve and/or rear electromagnetic valve to open front evaporator and/or finisher, and then detection vehicle interior temperature, the outer temperature of car and air conditioning pressure, outside vehicle interior temperature, car, temperature and the air conditioning pressure time control compressor processed that satisfies condition is opened, thereby starts air-conditioning;
B: close air-conditioning: air-conditioner controller is closed front magnetic valve and/or rear electromagnetic valve to close front evaporator and/or finisher according to user command, after front evaporator and finisher are all closed, air-conditioner controller close compressor,
C: air-conditioner defrosting: when only having an evaporator operation, if the temperature that air-conditioner controller detects this evaporimeter is during lower than the design temperature of frosting, air-conditioner controller close compressor, only have when the temperature of this evaporimeter returns to more than 6 ℃ and interval greater than 8 seconds, air-conditioner controller is opened compressor; When two evaporimeters are all when working, if the temperature of one of them evaporimeter is during lower than the design temperature of frosting, air-conditioner controller is closed magnetic valve that should evaporimeter, only when the temperature of this evaporimeter returns to more than 6 ℃ and interval greater than 8 seconds, air-conditioner controller is opened magnetic valve that should evaporimeter; When the temperature of two evaporimeters is during all lower than the design temperature of frosting, air-conditioner controller close compressor, any one evaporimeter temperature return to that 6 ℃ above and during interval greater than 8 seconds, air-conditioner controller is opened compressor.
2. the control method of automobile double evaporimeter air-conditioning system according to claim 1, the power proportions that it is characterized in that described front evaporator and finisher is 6:4.
3. the control method of automobile double evaporimeter air-conditioning system according to claim 1, is characterized in that being provided with pressure sensor in the pipeline between described condenser and liquid storage dryer.
4. the control method of automobile double evaporimeter air-conditioning system according to claim 3, is characterized in that comprising the steps:
D: pressure protect: air-conditioner controller detects the pressure in the pipeline of place by pressure sensor, the pressure in pipeline is during lower than 2.0bar or higher than 32bar, air-conditioner controller close compressor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110294798.1A CN102506498B (en) | 2011-09-28 | 2011-09-28 | Control method of automobile air-conditioning system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110294798.1A CN102506498B (en) | 2011-09-28 | 2011-09-28 | Control method of automobile air-conditioning system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102506498A CN102506498A (en) | 2012-06-20 |
CN102506498B true CN102506498B (en) | 2014-02-05 |
Family
ID=46218609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110294798.1A Active CN102506498B (en) | 2011-09-28 | 2011-09-28 | Control method of automobile air-conditioning system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102506498B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104676824B (en) * | 2013-11-29 | 2019-01-25 | 杭州三花研究院有限公司 | Automobile air-conditioner control method, air-conditioner control system and its automotive air-conditioning system |
CN105509389A (en) * | 2016-01-26 | 2016-04-20 | 南京西百客汽车空调有限公司 | Air conditioning system of automobile |
CN106123399A (en) * | 2016-06-22 | 2016-11-16 | 黄河交通学院 | A kind of evaporator for air-conditioning system of automobile |
KR101866157B1 (en) * | 2018-01-25 | 2018-06-08 | 고홍달 | Multi-stage split independent control cooling system |
CN108515825B (en) * | 2018-03-22 | 2020-10-09 | 安徽江淮汽车集团股份有限公司 | Two-stage compression automobile air conditioning system and control method thereof |
CN109297137A (en) * | 2018-10-29 | 2019-02-01 | 广州科劳斯实验室仪器设备有限公司 | A kind of anti-condensation white monitoring system and method for air-conditioning |
CN112776556B (en) * | 2019-11-11 | 2023-04-14 | 宇通客车股份有限公司 | Vehicle fixed-displacement single-compressor double-area air conditioning system and liquid impact prevention method thereof |
CN110789301B (en) * | 2019-11-21 | 2021-02-02 | 奇瑞汽车股份有限公司 | Double-evaporator air conditioning system and matching method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201045547Y (en) * | 2007-03-30 | 2008-04-09 | 东风汽车集团股份有限公司 | Air conditioner heater for automobile |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60193716A (en) * | 1984-03-15 | 1985-10-02 | Nissan Motor Co Ltd | Car air-conditioner |
JP2003166764A (en) * | 2001-09-20 | 2003-06-13 | Denso Corp | Refrigerating cycle device |
US9297548B2 (en) * | 2008-10-31 | 2016-03-29 | Carrier Corporation | Control of multiple zone refrigerant vapor compression systems |
-
2011
- 2011-09-28 CN CN201110294798.1A patent/CN102506498B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201045547Y (en) * | 2007-03-30 | 2008-04-09 | 东风汽车集团股份有限公司 | Air conditioner heater for automobile |
Non-Patent Citations (1)
Title |
---|
JP昭60-193716A 1985.10.02 |
Also Published As
Publication number | Publication date |
---|---|
CN102506498A (en) | 2012-06-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102506498B (en) | Control method of automobile air-conditioning system | |
CN102889653B (en) | Heat pump system and its control method for vehicle | |
CN108749517A (en) | A kind of heat management system of electric vehicle | |
CN108224842B (en) | Air supplementing type heat pump air conditioning system with battery thermal management function for electric automobile | |
CN103373193A (en) | Air conditioning system of automobile | |
CN106585323B (en) | Working mode of new energy automobile air conditioning system with quick defrosting and demisting functions | |
CN103337675A (en) | Power battery group of electric vehicle | |
CN202792326U (en) | Heat pump air-conditioning system of electromobile | |
CN204586420U (en) | Vehicle and a/c system thereof | |
CN201983512U (en) | Stand-by power freezing and refrigerating system of refrigerator car | |
CN208751067U (en) | A kind of cooling cycle system of air-conditioning and refrigeration | |
CN105252991B (en) | Vehicle heat pump air-conditioning system with heating and refrigerating function | |
CN202200804U (en) | Energy-saving type split automobile air conditioner system | |
CN105758061A (en) | Vehicle and air-conditioning system thereof | |
CN103292510A (en) | Automobile air conditioning system | |
CN202029668U (en) | Refrigerator vehicle | |
CN109186121B (en) | New energy refrigerating vehicle air conditioner and control method thereof | |
CN102328569A (en) | Energy-saving type split automobile air conditioner system | |
CN205381118U (en) | Air conditioning system of electric automobile | |
CN210337493U (en) | Thermal management system of electric vehicle | |
CN1295469C (en) | One refrigerating unit for cooling two places in refrigerator car | |
CN206049468U (en) | A kind of automobile and its temperature control system and its cold storage plant | |
CN201858824U (en) | Closeable electromagnetic expanding valve of double-evaporator air conditioning system | |
CN209840452U (en) | Energy-storage defrosting new energy automobile heat pump air conditioner | |
CN204853764U (en) | Be provided with electronic expansion valve's pure [electric] motor coach air conditioner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |