CN101865511A - Controlling method for keeping constant temperature by automobile air-conditioner - Google Patents
Controlling method for keeping constant temperature by automobile air-conditioner Download PDFInfo
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- CN101865511A CN101865511A CN 201010196442 CN201010196442A CN101865511A CN 101865511 A CN101865511 A CN 101865511A CN 201010196442 CN201010196442 CN 201010196442 CN 201010196442 A CN201010196442 A CN 201010196442A CN 101865511 A CN101865511 A CN 101865511A
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Abstract
The invention discloses a controlling method for keeping a constant temperature by an automobile air-conditioner. The controlling method is characterized by comprising the following steps: calculating and automatically adjusting the voltage value in the position of a blending door of the automobile air-conditioner; and adjusting the outlet rate and temperature of the automobile air-conditioner, thus keeping the internal temperature constant. By using the method, the invention has the following advantages that: 1, the internal temperature of the automobile can be automatically and accurately kept constant, thus reducing the operation of a driver on the controller of the automobile air-conditioner and improving the driving safety; 2, the voltage value in the position of the blending door of the automobile air-conditioner is calculated according to the exact calculation formula, thus ensuring that the automatic temperature control of the automobile air-conditioner is more accurate; and 3, the requirement for the hardware of the automobile air-conditioner is low, thus ensuring that the production cost is lower.
Description
Relate to the field
The present invention relates to the air conditioning for automobiles field, particularly a kind of control method that keeps air conditioning for automobiles constant temperature.
Background technology
Along with the continuous development of auto industry, automobile has been come into huge numbers of families, and automobile is as a kind of important vehicles, and the security performance of automobile is the factor of overriding concern; Secondly, it also is the factor that needs automobile production producer emphasis to consider that the comfortable driving and the environment of riding are provided, therefore, air conditioning for automobiles also becomes the indispensable important accessory of automobile, yet existing air conditioning for automobiles is manually control mostly, in order to guarantee to have constant comfort temperature in the car, just needs the driver constantly to regulate automotive air-conditioning controller, this frequent operation must bring great potential safety hazard to steering vehicle, serious threat driver and crew's personal safety.And existing automatic air condition control method is basic with reference to manual control principle, mainly be poor according to vehicle interior temperature sensor and design temperature, regulate the blender door position, like this because the vehicle interior temperature sensor can not react vehicle interior temperature correctly, in time, thereby the temperature that causes air-conditioner air outlet to blow out is sometimes hot and sometimes cold, thereby can cause that driver and crew's is uncomfortable, so the safety of influence driving is basically can not real at last automatic air condition.
Provide a kind of and can keep the constant method of automobile vehicle interior temperature accurately, thereby comfortable driving, the environment of riding are provided, reduce the operation of driver to automotive air-conditioning controller, the safety that improves driving is the problem that prior art need solve.
Summary of the invention
Technical problem to be solved by this invention is, a kind of control method that keeps air conditioning for automobiles constant temperature is provided, realize accurately that to reach air conditioning for automobiles keeps the automobile vehicle interior temperature constant automatically, reduce the operation of driver, improve the purpose of traffic safety automotive air-conditioning controller.
For solving the problems of the technologies described above, technical scheme of the present invention is, a kind of control method that keeps air conditioning for automobiles constant temperature, and its method is:
P-blender door position voltage value (V);
K-one time slope of a curve;
P
KThe blender door position voltage value (V) of-slope of a curve starting point correspondence;
T
KThe temperature value of-slope of a curve starting point correspondence;
T
SET-artificial interior the design temperature of car;
T
AThe temperature-compensating of other factors such as the environment temperature the outside-car, sunshine;
Thereby the processor by air conditioning for automobiles self calculates blender door position voltage value, and the air-out speed of damper reaches the constant temperature that remains on setting in the maintenance car automatically.
The computing formula of a described slope of a curve is: K=(Ttop-T
K)/(Ptop-P
K) wherein:
Ttop: the summit temperature of the approximate curve in the blender door position of air-out mean temperature correspondence;
T
K: the origin temp of the approximate curve in the blender door position of air-out mean temperature correspondence;
Ptop: the blender door position voltage value of the summit correspondence of the approximate curve in the blender door position of air-out mean temperature correspondence;
P
K: the blender door position of air-out mean temperature correspondence is similar to the blender door position voltage value of the starting point correspondence of a curve, thereby obtains the numerical value of a slope of a curve.
A described slope of a curve is the mean value of the slope value of blowing face, blow the top blast pin, blow pin, calculating under each pattern that defrosts in the slope of curve of blowing face, blow the top blast pin, blow pin, adopting under the pattern of defrosting, blow under the pin defrosting mode slope of curve that adopts slope for calculating under self pattern, because blow face, blow the top blast pin, blow pin, defrosting mode down slope value is close, thereby adopt unified slope value to reduce the data processing pressure of air-conditioning processor inside.
Described air conditioning for automobiles is controlled air blast wind speed, compressor switch, air-out pattern, interior outer circulation, blender door position according to the difference of design temperature in the computing formula and ambient temperature, thereby realizes the approaching as soon as possible temperature that is provided with of actual temperature in the car.
Described air conditioning for automobiles can be to the temperature compensation value T of other factors such as the outer environment temperature of the car in the computing formula, sunshine
AAdjust, thereby adjust compensation temperature, the temperature control efficient of raising air-conditioning even follow according to different external environments.
A kind of control method that keeps air conditioning for automobiles constant temperature, owing to adopt said method, this method has the following advantages; 1, realizes that accurately air conditioning for automobiles keeps the automobile vehicle interior temperature constant automatically, reduce the operation of driver, improve traffic safety automotive air-conditioning controller; 2, calculate blender door position voltage value according to exact calculating formula, make air-conditioning temperature automatically controlled more accurate; 3, the hardware requirement to air-conditioning self is low, makes production cost lower.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments;
Fig. 1 blows the air outlet temperature under the surface model and the curve map of micro machine feedback voltage for a kind of control method that keeps air conditioning for automobiles constant temperature of invention;
Fig. 2 blows the air outlet temperature under the top blast pin pattern and the curve map of micro machine feedback voltage for a kind of control method that keeps air conditioning for automobiles constant temperature of invention;
Fig. 3 blows the air outlet temperature under the pin pattern and the curve map of micro machine feedback voltage for a kind of control method that keeps air conditioning for automobiles constant temperature of invention;
Fig. 4 blows the defrosting air outlet temperature under the pin defrosting mode and the curve map of micro machine feedback voltage for a kind of control method that keeps air conditioning for automobiles constant temperature of invention;
Fig. 5 is the curve map that blows pin air outlet temperature and micro machine feedback voltage under the pin defrosting mode of blowing of a kind of control method that keeps air conditioning for automobiles constant temperature of invention;
Fig. 6 is the temperature compensation value T of other factors such as a kind of adjustment environment temperature that keeps the control method of air conditioning for automobiles constant temperature of invention, sunshine
AThe trend graph of back design temperature and actual temperature.
The specific embodiment
A kind of control method that keeps air conditioning for automobiles constant temperature, it is characterized in that: the air conditioning for automobiles processor inside is by calculating and regulate automatically blender door position voltage value, regulate the speed and the temperature of air-conditioning air-out, thereby keep the interior temperature constant of car to calculate blender door position voltage value by the processor of air conditioning for automobiles self, automatically the air-out speed of damper reaches the constant temperature that remains on setting in the maintenance car.
The computational methods of blender door position voltage value are as follows:
1, according to the operation principle of automotive air-conditioning system, the simulated automotive air-conditioning is done the bench test in air conditioning for automobiles HVAC band real vehicle air channel under certain wind speed, the different air-out pattern in the installation situation of real vehicle in the laboratory;
2, the mean temperature of each air outlet of bench test in air conditioning for automobiles HVAC band real vehicle air channel under certain wind speed, the different air-out pattern is write down in even regulation blender door position (generally dividing 20 points from being as cold as full heat entirely);
3, according to the average temperature value of each air outlet of bench test in air conditioning for automobiles HVAC band real vehicle air channel under certain wind speed of record, the different air-out pattern, draw approximate curve in blender door position of corresponding air-out mean temperature correspondence;
4, according to approximate curve in blender door position of the corresponding air-out mean temperature of the bench test correspondence in air conditioning for automobiles HVAC band real vehicle air channel under certain wind speed of drawing, the different air-out pattern, calculate a corresponding slope of a curve;
5, shown in Fig. 1-5 according to the characteristics of air conditioning for automobiles, the air-out pattern for blow face, blow the top blast pin, blow pin, during defrosting, a slope of a curve that is calculated much at one, so when the air-out pattern for blow face, blow the top blast pin, blow pin, during defrosting, adopt the G-bar of its slope of a curve, the air-out pattern is for blowing pin when defrosting, and step 4 calculated, and slope of a curve and other patterns differ bigger, adopts the slope of curve that calculates under self pattern;
6, air conditioning for automobiles in actual use, artificial design temperature is exactly comfortable driving, the vehicle interior temperature of the environment of riding, consider other factors such as the outer environment temperature of car, sunshine, make blender door forward a suitable position to, can keep the constant of vehicle interior temperature, concrete formula is: P=[K * P
K+ T
K-(T
SET+ T
A)]/K, wherein:
P-blender door position voltage value (V)
K-one time slope of a curve
P
KThe blender door position voltage value (V) of-slope of a curve starting point correspondence
T
KThe temperature value of-slope of a curve starting point correspondence
T
SET-artificial interior the design temperature of car
T
AThe temperature-compensating of other factors such as the environment temperature the outside-car, sunshine
Wherein the computing formula of slope is:
K＝(Ttop-T
K)/(Ptop-P
K)
Ttop: the summit temperature of the approximate curve in the blender door position of air-out mean temperature correspondence;
T
K: the origin temp of the approximate curve in the blender door position of air-out mean temperature correspondence;
Ptop: the blender door position voltage value of the summit correspondence of the approximate curve in the blender door position of air-out mean temperature correspondence;
P
K: the mixing of the starting point correspondence of the approximate curve in the blender door position of air-out mean temperature correspondence
The damper positions magnitude of voltage.
7, according to the difference of actual temperature in design temperature in the car and the car, consider car external environment temperature, sunshine etc., and the use generic principles of air conditioning for automobiles, reasonably regulate air blast wind speed, compressor switch, air-out pattern, interior outer circulation, the blender door position of air conditioning for automobiles automatically, interior actual temperature of car and the interior design temperature of car are close, make | T
SET-T
IN|＜1 (T
SETDesign temperature in the-car, T
INActual temperature in the-car).
8, as shown in Figure 6, according to the car external environment temperature of real vehicle operation, sunshine etc., according to P=[K * P
K+ T
K-(T
SET+ T
A)]/K, road examination, demarcation, adjustment T
AValue (temperature-compensatings of other factors such as the environment temperature outside the car, sunshine) can make interior actual temperature of car and the interior design temperature of car be close simply, conveniently, reliably, efficiently, makes | T
SET-T
IN|＜1 (T
SETDesign temperature in the-car, T
INActual temperature in the-car).Thereby realize the driving that provides comfortable, the safety of riding environment and raising driving.
The present invention is in concrete air conditioning for automobiles production process:
At first, take, do the bench test in air conditioning for automobiles HVAC band real vehicle air channel under certain wind speed, the different air-out pattern in the laboratory; The mean temperature of each air outlet of bench test in the band of air conditioning for automobiles HVAC under certain wind speed, different air-out pattern real vehicle air channel is write down in even regulation blender door position; According to the average temperature value of each air outlet of bench test in air conditioning for automobiles HVAC band real vehicle air channel under certain wind speed of record, the different air-out pattern, draw approximate curve in blender door position of corresponding air-out mean temperature correspondence; A curve according under each top pattern calculates corresponding slope, and a slope of curve will blowing face again, blow the top blast pin, blow pin, be calculated under the air-out pattern such as defrosting is averaged, and is input in the air-conditioning processor inside; In air-conditioning assembling, set the temperature compensation value T of other factors such as environment temperature, sunshine of air conditioning for automobiles internal processor according to different vehicles
A, finish the setting of air-conditioning software.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the method design of invention and the various improvement that technical scheme is carried out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (5)
1. control method that keeps air conditioning for automobiles constant temperature, its method is:
Step 1, the test-bed in band real vehicle air channel is set in the laboratory;
Step 2, even regulation blender door position, the mean temperature of test air conditioning for automobiles each air outlet on the stand in real vehicle air channel under certain wind speed, different air-out pattern, and note;
Step 3, according to the air conditioning for automobiles under certain wind speed, different air-out pattern of record at the average temperature value of each air outlet of stand in real vehicle air channel, draw approximate curve in blender door position of corresponding air-out mean temperature correspondence;
Step 4, according to the curve that is similar to of air outlet mean temperature under certain wind speed of drawing in the step 3, the different air-out pattern with corresponding blender door position, calculate a corresponding slope of a curve;
Step 5, be P=[K * P by computing formula
K+ T
K-(T
SET+ T
A)]/K calculates blender door position voltage value, wherein:
P-blender door position voltage value (V);
K-one time slope of a curve;
P
KThe blender door position voltage value (V) of-slope of a curve starting point correspondence;
T
KThe temperature value of-slope of a curve starting point correspondence;
T
SET-artificial interior the design temperature of car;
T
AThe temperature-compensating of other factors such as the environment temperature the outside-car, sunshine.
2. a kind of control method that keeps air conditioning for automobiles constant temperature according to claim 1, it is characterized in that: the computing formula of a described slope of a curve is: K=(Ttop-T
K)/(Ptop-P
K) wherein:
Ttop: the summit temperature of the approximate curve in the blender door position of air-out mean temperature correspondence;
T
K: the origin temp of the approximate curve in the blender door position of air-out mean temperature correspondence;
Ptop: the blender door position voltage value of the summit correspondence of the approximate curve in the blender door position of air-out mean temperature correspondence;
P
K: the blender door position voltage value of the starting point correspondence of the approximate curve in the blender door position of air-out mean temperature correspondence.
3. a kind of control method that keeps air conditioning for automobiles constant temperature according to claim 1 and 2, it is characterized in that: a described slope of a curve is the mean value of the slope value of blowing face, blow the top blast pin, blow pin, calculating under each pattern that defrosts in the slope of curve of blowing face, blow the top blast pin, blow pin, adopting under the pattern of defrosting, blow under the pin defrosting mode slope of curve that adopts slope for calculating under self pattern because blow face, blow the top blast pin, blow pin, defrosting mode down slope value is close.
4. a kind of control method that keeps air conditioning for automobiles constant temperature according to claim 1, it is characterized in that: described air conditioning for automobiles is controlled air blast wind speed, compressor switch, air-out pattern, interior outer circulation, blender door position according to the difference of design temperature in the computing formula and ambient temperature.
5. a kind of control method that keeps air conditioning for automobiles constant temperature according to claim 1 is characterized in that: described air conditioning for automobiles can be to the temperature compensation value T of other factors such as the outer environment temperature of the car in the computing formula, sunshine
AAdjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010196442A CN101865511B (en) | 2010-06-02 | 2010-06-02 | Controlling method for keeping constant temperature by automobile air-conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010196442A CN101865511B (en) | 2010-06-02 | 2010-06-02 | Controlling method for keeping constant temperature by automobile air-conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN101865511A true CN101865511A (en) | 2010-10-20 |
| CN101865511B CN101865511B (en) | 2012-10-03 |
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ID=42957334
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|---|---|---|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313336A (en) * | 2011-09-30 | 2012-01-11 | 芜湖博耐尔汽车电气系统有限公司 | Automatic constant-temperature control method for automotive air conditioning controller |
| CN102954561A (en) * | 2012-11-13 | 2013-03-06 | 上海德尔福汽车空调系统有限公司 | Method for multi-temperature-region temperature compensation of automobile air conditioner |
| 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 |
| CN104791961A (en) * | 2015-05-05 | 2015-07-22 | 北京长安汽车工程技术研究有限责任公司 | Electric vehicle air conditioner control method |
| CN108332341A (en) * | 2017-03-23 | 2018-07-27 | 龙晓明 | Airconditioning control data based on HVAC system generate and autocontrol method |
| CN109774410A (en) * | 2018-12-28 | 2019-05-21 | 北京海纳川汽车部件股份有限公司 | Control method, device and the automobile of automobile air-conditioning throttle |
| CN113442681A (en) * | 2021-07-30 | 2021-09-28 | 上海热翼智控系统有限公司 | PTC air outlet temperature control method for automobile air conditioning system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313336A (en) * | 2011-09-30 | 2012-01-11 | 芜湖博耐尔汽车电气系统有限公司 | Automatic constant-temperature control method for automotive air conditioning controller |
| CN102954561A (en) * | 2012-11-13 | 2013-03-06 | 上海德尔福汽车空调系统有限公司 | Method for multi-temperature-region temperature compensation of automobile air conditioner |
| CN102954561B (en) * | 2012-11-13 | 2015-05-20 | 上海德尔福汽车空调系统有限公司 | Method for multi-temperature-region temperature compensation of automobile air conditioner |
| 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 |
| CN104791961A (en) * | 2015-05-05 | 2015-07-22 | 北京长安汽车工程技术研究有限责任公司 | Electric vehicle air conditioner control method |
| CN104791961B (en) * | 2015-05-05 | 2017-08-25 | 北京长安汽车工程技术研究有限责任公司 | A kind of air conditioner of electric vehicle control method |
| CN108332341A (en) * | 2017-03-23 | 2018-07-27 | 龙晓明 | Airconditioning control data based on HVAC system generate and autocontrol method |
| CN108332341B (en) * | 2017-03-23 | 2019-10-29 | 龙晓明 | Air conditioning for automobiles control data based on HVAC system generate and autocontrol method |
| CN109774410A (en) * | 2018-12-28 | 2019-05-21 | 北京海纳川汽车部件股份有限公司 | Control method, device and the automobile of automobile air-conditioning throttle |
| CN113442681A (en) * | 2021-07-30 | 2021-09-28 | 上海热翼智控系统有限公司 | PTC air outlet temperature control method for automobile air conditioning system |
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|---|---|
| CN101865511B (en) | 2012-10-03 |
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Granted publication date: 20121003 Termination date: 20210602 |