CN104048385B - Method and system for controlling automatic air conditioner of automobile - Google Patents
Method and system for controlling automatic air conditioner of automobile Download PDFInfo
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- CN104048385B CN104048385B CN201410308915.9A CN201410308915A CN104048385B CN 104048385 B CN104048385 B CN 104048385B CN 201410308915 A CN201410308915 A CN 201410308915A CN 104048385 B CN104048385 B CN 104048385B
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Abstract
The invention relates to a method and system for controlling an automatic air conditioner of an automobile. The method for controlling the automatic air conditioner of the automobile comprises the steps that whether an air conditioning system is located at the position where an internal and external circulation air door is scanned is judged; if the air conditioning system is located at the position where the internal and external circulation air door is scanned, whether the exterior temperature of the automobile is within a preset delay range is judged; the current air outlet temperature is delayed if the exterior temperature of the automobile is beyond the preset delay range, and the current air outlet temperature is maintained if the interior temperature of the automobile is within the preset delay range. By the adoption of the method and system for controlling the automatic air conditioner of the automobile, fluctuation, generated when the internal and external circulation air door is scanned, of the interior temperature of the automobile is reduced, and the comfort level of the interior environment of the automobile is increased.
Description
Technical field
The present invention relates to air conditioning for automobiles control field is and in particular to a kind of control method of auto Air Conditioner and system.
Background technology
In prior art, when establishing machine by cable on after auto Air Conditioner unlatching first, air-conditioner controller needs by software
Scanning inner-outer circulation motor position.In software scans inner-outer circulation motor position, inner-outer circulation motor is at short notice successively
From outer circulation position adjustment to interior circulation position, then return to outer circulation position from interior circulation position.In prior art, sweep in software
During retouching inner-outer circulation motor position, auto Air Conditioner goes out pathogenic wind-warm according to normal control method control air conditioning system
Degree.As adjusted according to vehicle interior temperature, car outer temperature, cycle throttle position etc. factor blender door position (i.e. adjustment cold wind and
The mixed proportion of hot blast), and then the leaving air temp of adjustment air conditioning system, vehicle interior temperature is adjusted by leaving air temp.Therefore, soft
During part scanning inner-outer circulation motor position, with the quick change of inner-outer circulation motor position, the position of blender door
Also quickly change, and then lead to the leaving air temp of air conditioning system to fluctuate greatly, thus also producing larger in the vehicle interior temperature short time
Fluctuation, the comfort level of impact environment inside car, and then reduce the performance of automobile.
Content of the invention
The purpose of the present invention is to overcome shortcomings and deficiencies of the prior art, provides a kind of control method of auto Air Conditioner
And system, reduce the fluctuation that the process in software scans internal-external cycle throttle position for the vehicle interior temperature produces, improve environment inside car
Comfort level.
The purpose of the present invention is achieved through the following technical solutions: a kind of control method of auto Air Conditioner, its feature
It is, comprise the following steps:
Judge whether air conditioning system is in scanning internal-external cycle throttle location status；
If air conditioning system is in scanning internal-external cycle throttle location status, judge the outer temperature of car whether in default sluggishness
In interval range；
If the outer temperature of car is outer in default sluggish interval, sluggishness is carried out to current leaving air temp, otherwise keeps currently going out
Air temperature.
If preferably, the outer temperature of car is more than sluggish interval upper limit threshold, positive sluggishness is carried out to current leaving air temp；
If the outer temperature of car is less than sluggish interval lower threshold, current leaving air temp is carried out with negative sluggishness.
Preferably, described sluggish interval upper limit threshold is 22 DEG C～28 DEG C.
Preferably, described sluggish interval lower threshold is 16 DEG C～22 DEG C.
Preferably, judging whether the outer temperature of car also included before the step in the scope of default sluggish interval described
The step of the outer temperature of detection car.
Preferably, judging whether the outer temperature of car also included before the step in the scope of default sluggish interval described
The step calculating current leaving air temp.
Another object of the present invention is to providing a kind of control system of auto Air Conditioner it is characterised in that including:
Air conditioning system state detection unit, the working condition of detection air conditioning system, and the air conditioning system being detected is worked
Status information is transmitted to air conditioning system condition adjudgement unit；
Air conditioning system condition adjudgement unit, whether the air conditioning system work state information according to being received judges air conditioning system
It is in scanning internal-external cycle throttle location status；
The outer temperature detecting unit of car, detects the outer temperature of current car, and by outer for the car being detected temperature information transmit in
Central Processing Unit；
Leaving air temp computing unit, the current leaving air temp of calculations of air conditioner system, and by current leaving air temp information transfer
To CPU；
CPU, when air conditioning system is in scanning internal-external cycle throttle location status, according to the outer temperature of car and
Default sluggish interval, judge the outer temperature of car whether in the scope of default sluggish interval, if the outer temperature of car is in default sluggishness
Interval outer, then sluggishness is carried out to current leaving air temp, otherwise keep current leaving air temp.
If preferably, the outer temperature of car is more than sluggish interval upper limit threshold, positive sluggishness is carried out to leaving air temp；
If the outer temperature of car is less than sluggish interval lower threshold, leaving air temp is carried out with negative sluggishness.
Preferably, described sluggish interval upper limit threshold is 22 DEG C～28 DEG C.
Preferably, described sluggish interval lower threshold is 16 DEG C～22 DEG C.
The present invention includes advantages below and beneficial effect compared to existing technology:
(1) when air conditioning system is in scanning internal-external cycle throttle location status, according to the outer temperature of car and default sluggishness
Interval, judges the outer temperature of car whether in the scope of default sluggish interval, if the outer temperature of car is interval outer in default sluggishness, right
Leaving air temp carries out sluggishness, reduces the fluctuation that the process in scanning internal-external cycle throttle position for the vehicle interior temperature produces, improves in-car
Environmental amenity degree.
(2) when the outer temperature of car is more than the upper limit threshold in sluggish interval, positive sluggishness is carried out to leaving air temp；When the outer temperature of car
Less than during sluggishness interval lower threshold, leaving air temp is carried out with negative sluggishness, reduce vehicle interior temperature further and scanning inner-outer circulation
The fluctuation that the process of damper positions produces, thus improve the comfort level of environment inside car further.
Brief description
Fig. 1 is the flow chart of the control method of auto Air Conditioner in embodiment；
Fig. 2 is the schematic diagram of the control system of auto Air Conditioner in embodiment.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit
In this.
Embodiment
A kind of control method of auto Air Conditioner, presets sluggish interval, hysteresis.The described sluggish interval upper limit
Threshold value is preferably 22 DEG C～28 DEG C, and sluggish interval lower threshold is preferably 16 DEG C～22 DEG C, and preferably 2 DEG C of described hysteresis～
Any value between 4 DEG C.In the present embodiment, described sluggish interval upper limit threshold is 26 DEG C, sluggish interval lower threshold
For 18 DEG C.Taking 18 DEG C～26 DEG C of sluggish interval as a example it is described in detail below.
As shown in figure 1, a kind of control method of auto Air Conditioner, including the scanning internal-external cycle throttle position stage and just
Often adjust air event.During each electrifying startup of air conditioning system, operation following steps:
S1 detects the working condition of air conditioning system.
According to the work state information of the air conditioning system being detected, s2 judges whether air conditioning system is to go up electricity operation first, that is,
Judge whether air conditioning system is in scanning internal-external cycle throttle location status, if then air conditioning system enters scanning inner-outer circulating air
Door position stage, and execution step s3, otherwise execution step s7.The air conditioning system of automobile goes up when electricity runs first firstly the need of logical
Cross software scans internal-external cycle throttle position, determine the stroke of internal-external cycle throttle, so that air conditioning system is in automatically controls mould
During formula, control the position of internal-external cycle throttle according to corresponding condition.
The outer temperature of s3 detection car simultaneously calculates current leaving air temp.
Whether s4 judges the outer temperature of car in the scope of default sluggish interval.Specifically include following steps:
Whether s41 judges the outer temperature of car more than default sluggish 26 DEG C interval of upper limit threshold, if the outer temperature of car is more than 26
DEG C, then execution step s5, otherwise execution step s42；
S42 judges that the outer temperature of car, whether less than sluggish 18 DEG C interval of lower threshold, if the outer temperature of car is less than 18 DEG C, is held
Row step s6, otherwise according to current leaving air temp execution step s7.
S5 carries out the positive sluggishness of any value in 2 DEG C～4 DEG C to current leaving air temp, and according to the leaving air temp after positive sluggishness
Execution step s7.The detailed process that current leaving air temp is carried out with just sluggish operation is as follows: taking 3 DEG C of just sluggishness as a example, if
Current leaving air temp is 1 DEG C, then the leaving air temp after sluggishness is 1 DEG C+3 DEG C.
S6 carries out the negative sluggishness of any value in 2 DEG C～4 DEG C to current leaving air temp, and according to the leaving air temp after negative sluggishness
Execution step s7.The detailed process that current leaving air temp is carried out with the operation of negative sluggishness is as follows: taking 3 DEG C of negative sluggishness as a example, if
Current leaving air temp is 25 DEG C, then the leaving air temp after sluggishness is 25 DEG C -3 DEG C.
S7 air conditioning system enters normal regulating air event, is adjusted using existing autocontrol method or hand operated control method
The in-car air of section.
As shown in Fig. 2 a kind of control system of auto Air Conditioner, comprising:
Air conditioning system state detection unit, the working condition of detection air conditioning system, and the air conditioning system being detected is worked
Status information is transmitted to air conditioning system condition adjudgement unit.
Air conditioning system condition adjudgement unit, whether the air conditioning system work state information according to being received judges air conditioning system
It is in scanning internal-external cycle throttle location status, and will determine that structural transmission to CPU.It is specially and judge air-conditioning system
Whether system is to go up electricity operation first.
The outer temperature detecting unit of car, detects the outer temperature of current car, and by outer for the car being detected temperature information transmit in
Central Processing Unit.
Leaving air temp computing unit, the current leaving air temp of calculations of air conditioner system, and by current leaving air temp information transfer
To CPU.
Memory element, storage presets sluggish interval, hysteresis.Described sluggish interval upper limit threshold is preferably 22 DEG C
～28 DEG C, sluggish interval lower threshold is preferably 16 DEG C～22 DEG C, arbitrary between preferably 2 DEG C～4 DEG C of described hysteresis
Value.In the present embodiment, described sluggish interval upper limit threshold is 26 DEG C, and sluggish interval lower threshold is 18 DEG C.In this reality
Apply in example, sluggish interval is [18 DEG C～26 DEG C], hysteresis are 3 DEG C.
CPU, when air conditioning system is in scanning internal-external cycle throttle location status according to the outer temperature of car and pre-
If the outer temperature of sluggish interval judgement car whether in the scope of default sluggish interval, if the outer temperature of car is default sluggish interval
Outward, then interdependent sluggishness is carried out to leaving air temp, and according to the leaving air temp after sluggishness adopt existing autocontrol method or
Hand operated control method adjusts in-car air, otherwise, adopts existing autocontrol method or manual control according to current leaving air temp
Method processed adjusts in-car air.
Specifically, if the outer temperature of car is more than sluggish 26 DEG C interval of upper limit threshold, leaving air temp is carried out with 3 DEG C just slow
Stagnant.As if currently calculated leaving air temp is 1 DEG C, the leaving air temp after sluggishness is 1 DEG C+3 DEG C.If the outer temperature of car is little
In sluggish 18 DEG C interval of lower threshold, then leaving air temp is carried out with 3 DEG C of negative sluggishness.As if currently calculated air-out
Temperature is 25 DEG C, then the leaving air temp after sluggishness is 25 DEG C -3 DEG C.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not subject to above-described embodiment
Limit, other any spirit without departing from the present invention and the change made under principle, modification, replacement, combine, simplify,
All should be equivalent substitute mode, be included within protection scope of the present invention.
Claims (6)
1. a kind of control method of auto Air Conditioner is it is characterised in that comprise the following steps: judges whether air conditioning system is in
Scanning internal-external cycle throttle location status；
If air conditioning system is in scanning internal-external cycle throttle location status, the outer temperature of detection car simultaneously calculates current leaving air temp, sentences
The outer temperature of disconnected car whether in the scope of default sluggish interval, if the outer temperature of car is more than sluggish interval upper limit threshold, to working as
Front leaving air temp carries out positive sluggishness, if the outer temperature of car is less than sluggish interval lower threshold, current leaving air temp is born
Sluggish；
If the outer temperature of car is outer in default sluggish interval, sluggishness is carried out to current leaving air temp, otherwise keeps currently going out pathogenic wind-warm
Degree.
2. auto Air Conditioner according to claim 1 control method it is characterised in that: the described sluggish interval upper limit
Threshold value is 22 DEG C～28 DEG C.
3. auto Air Conditioner according to claim 1 control method it is characterised in that: described sluggish interval lower limit
Threshold value is 16 DEG C～18 DEG C.
4. a kind of control system of auto Air Conditioner is it is characterised in that include:
Air conditioning system state detection unit, the working condition of detection air conditioning system, and by the air conditioning system being detected working condition
Information transfer is to air conditioning system condition adjudgement unit；Air conditioning system condition adjudgement unit, according to the air conditioning system work being received
Status information judges whether air conditioning system is in scanning internal-external cycle throttle location status；
The outer temperature detecting unit of car, detects the outer temperature of current car, and outer for the car being detected temperature information is transmitted to centre
Reason unit；
Leaving air temp computing unit, the current leaving air temp of calculations of air conditioner system, and by current leaving air temp information transfer in
Central Processing Unit；
CPU, when air conditioning system is in scanning internal-external cycle throttle location status, according to the outer temperature of car and default
Sluggish interval, judge the outer temperature of car whether in the scope of default sluggish interval, if the outer temperature of car is in default sluggish interval
Outward, then sluggishness is carried out to current leaving air temp, otherwise keep current leaving air temp, if the outer temperature of car is more than the sluggish interval upper limit
Threshold value, then carry out positive sluggishness to leaving air temp, if the outer temperature of car is less than sluggish interval lower threshold, leaving air temp is carried out
Negative sluggishness.
5. auto Air Conditioner according to claim 4 control system it is characterised in that: the described sluggish interval upper limit
Threshold value is 22 DEG C～28 DEG C.
6. auto Air Conditioner according to claim 4 control system it is characterised in that: described sluggish interval lower limit
Threshold value is 16 DEG C～18 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308915.9A CN104048385B (en) | 2014-06-30 | 2014-06-30 | Method and system for controlling automatic air conditioner of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308915.9A CN104048385B (en) | 2014-06-30 | 2014-06-30 | Method and system for controlling automatic air conditioner of automobile |
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| Publication Number | Publication Date |
|---|---|
| CN104048385A CN104048385A (en) | 2014-09-17 |
| CN104048385B true CN104048385B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410308915.9A Active CN104048385B (en) | 2014-06-30 | 2014-06-30 | Method and system for controlling automatic air conditioner of automobile |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115061515A (en) * | 2022-06-30 | 2022-09-16 | 芯海科技（深圳）股份有限公司 | Temperature compensation method, circuit, chip and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011145781A1 (en) * | 2010-05-19 | 2011-11-24 | 우리산업 주식회사 | Apparatus for sensing and controlling cabin air quality of a vehicle |
| CN102721154A (en) * | 2012-06-28 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Energy-saving control device and control method for variable displacement compressor of air conditioner |
| CN103629787A (en) * | 2012-08-27 | 2014-03-12 | 福特环球技术公司 | Vehicle air handling system |
| CN103697561A (en) * | 2013-12-16 | 2014-04-02 | 上海德尔福汽车空调系统有限公司 | Automatic throttle control system and method for temperature of air conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013103795A (en) * | 2011-11-14 | 2013-05-30 | Mitsubishi Electric Corp | Air conditioner for elevator, and air conditioning control method for elevator |
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2014
- 2014-06-30 CN CN201410308915.9A patent/CN104048385B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011145781A1 (en) * | 2010-05-19 | 2011-11-24 | 우리산업 주식회사 | Apparatus for sensing and controlling cabin air quality of a vehicle |
| CN102721154A (en) * | 2012-06-28 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Energy-saving control device and control method for variable displacement compressor of air conditioner |
| CN103629787A (en) * | 2012-08-27 | 2014-03-12 | 福特环球技术公司 | Vehicle air handling system |
| CN103697561A (en) * | 2013-12-16 | 2014-04-02 | 上海德尔福汽车空调系统有限公司 | Automatic throttle control system and method for temperature of air conditioner |
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