CN107139681B - A kind of control device and its control method of parking windscreen active antifrost and icing - Google Patents
A kind of control device and its control method of parking windscreen active antifrost and icing Download PDFInfo
- Publication number
- CN107139681B CN107139681B CN201710315933.3A CN201710315933A CN107139681B CN 107139681 B CN107139681 B CN 107139681B CN 201710315933 A CN201710315933 A CN 201710315933A CN 107139681 B CN107139681 B CN 107139681B
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- Prior art keywords
- windscreen
- parking
- temperature
- control device
- icing
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Classifications
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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
-
- 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
- B60H1/00785—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 by the detection of humidity or frost
-
- 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
- B60H1/00792—Arrangement of detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of control devices of parking windscreen active antifrost and icing, including：Ambient humidity sensor is fixedly mounted on on-board air conditioner outer circulation air inlet；Environment temperature sensor is fixedly mounted on on-board air conditioner outer circulation air inlet；Driver's cabin humidity sensor is fixedly mounted between driver's seat and passenger's seat；Cabin temperature sensor is fixedly mounted between driver's seat and passenger's seat；Windscreen temperature sensor is fixedly mounted on windscreen edge；Sleet sensor is fixedly mounted on outside vehicle-mounted skylight, and with environment temperature sensor and ambient humidity sensor Electricity Federation；Central controller while Electricity Federation ambient humidity sensor, environment temperature sensor, driver's cabin humidity sensor, cabin temperature sensor, windscreen temperature sensor and sleet sensor；Execution module Electricity Federation central controller.The invention also discloses the control methods of a kind of parking windscreen active antifrost and the control device of icing.
Description
Technical field
The present invention relates to automotive air-conditioning system fields, and in particular to a kind of parking windscreen active antifrost and freezes
Control device and its control method.
Background technology
When winter driving, since driver usually opens, interior cycle warm wind heats driver's cabin and human body dissipates wet influence,
In parking, temperature and humidity is larger in driver's cabin.When absolute humidity is sufficiently large in driver's cabin and glass temperature is less than interior wet sky
When gas frost point, after windscreen inner surface is easy frosting, and winter snows, the snow-broth of thawing is easy in glass for vehicle window outer surface
Freeze, or even wiper can be frozen on glass for vehicle window, seriously affect the normal use of vehicle, when driver's vehicle need compared with
Defrosting and deicing for a long time.
The prior art usually to driving when windscreen on the mist layer that is formed carry out active removing, such as Chinese patent
System described in CN10299144A is by actively switching the inner-outer circulation of air-conditioning and adjusting air-conditioning system air-out direction, air output
And leaving air temp, realize automatic defrosting in driving conditions, but be not involved with parking active antifrost and icing, therefore existing skill
The adaptability to environment of art cannot still fully meet the demand of user.
Invention content
The present invention has designed and developed a kind of control device of parking windscreen active antifrost and icing, mesh of the invention
Be by carrying out rational deployment to sensor that comprehensive collecting vehicle is inside and outside and windscreen on epidemic disaster data.
The present invention has designed and developed the control method of a kind of parking windscreen active antifrost and the control device of icing,
The present invention goal of the invention be to on-board air conditioner open and aperture carry out rationally control solve parking when windscreen frosting with
And the problem of freezing.
Technical solution provided by the invention is：
A kind of control device of parking windscreen active antifrost and icing, including：
Ambient humidity sensor is fixedly mounted on on-board air conditioner outer circulation air inlet；
Environment temperature sensor is fixedly mounted on on-board air conditioner outer circulation air inlet；
Driver's cabin humidity sensor, is fixedly mounted between driver's seat and passenger's seat；
Cabin temperature sensor, is fixedly mounted between driver's seat and passenger's seat；
Windscreen temperature sensor is fixedly mounted on windscreen edge；
Sleet sensor is fixedly mounted on outside vehicle-mounted skylight, and with the environment temperature sensor and the ring
Border humidity sensor Electricity Federation, for obtaining air medium temperature degree and relative humidity outside vehicle；
Central controller, while ambient humidity sensor, the environment temperature sensor, the driver's cabin described in Electricity Federation
Humidity sensor, the cabin temperature sensor, the windscreen temperature sensor and the sleet sensor；
Execution module, central controller described in Electricity Federation, and the execution module is used to control the inner-outer circulation of air-conditioning
And throttle opening.
Preferably, further include：Battery tension sensor, central controller described in Electricity Federation.
Preferably, further include：Car door latching sensor, central controller described in Electricity Federation.
The control method of a kind of parking windscreen active antifrost and the control device of icing, includes the following steps：
Step 1: collecting vehicle external environment relative humidity RHoutAnd vehicle external environment temperature Tout, calculate snowfall probability λ, snowfall
The empirical equation of probability is：
In formula, RH0For relative humidity experience reduced value, T0For temperature experience reduced value, e is the truth of a matter of natural logrithm；
Wherein, as snowfall probability λ >=1.43, it is judged as snowfall, as snowfall probability λ ＜ 1.43, is judged as not snowfall；
Step 2: acquisition drives indoor relative humidity RHin, drive indoor temperature TinAnd windscreen temperature Tf, calculate
Drive indoor Saturated water vapor pressure esin, water vapor pressure ein, drive the Saturated water vapor pressure e of outdoor environmentsout, water vapor pressure
eout, calculation formula is：
ein=RHin·esin,
eout=RHout·esout；
Step 3: working as ein＞ esoutWhen, air-conditioning draught fan is opened, and is opened outer circulation, is worked as ein≤esoutWhen, it is general to read snowfall
Rate, when judging snowfall, and TfWhen ＞ 273.15, wind turbine continues on, until windscreen temperature TfWhen≤273.15, wind turbine
It closes.
Preferably, car door locking detection is carried out before the step 1, and the control is carried out when determining that car door is latched
Device is opened.
Preferably, before the step 1, and battery tension inspection is carried out after car door locking detection
It surveys, when determining that the battery tension carries out the control device unlatching higher than threshold value.
Preferably, in the step 3, work as TfWhen ＞ 273.15, the throttle opening β of wind turbine is adjusted, is adjusted
The empirical equation of throttle opening β is：
In formula, T0For temperature experience reduced value, β0Throttle opening when being fully opened for the air door of wind turbine, e are natural logrithm
The truth of a matter.
The present invention compared with prior art possessed by advantageous effect：
1, temperature, the humidity of driver's cabin, the temperature of environment, the temperature of humidity and windscreen when the present invention is by acquiring parking
Degree rationally effectively judges whether snowfall, and then the aperture of the unlatching and on-board air conditioner wind turbine to on-board air conditioner carries out effectively
Control, windscreen frosting and icing when to carry out preventing parking well；
2, system of the invention and control method simple and flexible, with strong applicability, application easy to spread.
Description of the drawings
Fig. 1 is a kind of parking windscreen active antifrost of the present invention and the Control system architecture composition frame of icing
Figure.
Fig. 2 is a kind of control method process chart of cabin air quality active control system of the present invention.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
As described in Figure 1, the present invention provides a kind of control device of parking windscreen active antifrost and icing, main bodys
Including：Information acquisition module, central controller and execution module；Wherein, information acquisition module includes：Cabin air acquires
Module, surrounding air acquisition module, windscreen temperature sensor and sleet sensor, the ring in surrounding air acquisition module
Border humidity sensor and environment temperature sensor are fixedly mounted on on-board air conditioner outer circulation air inlet, for acquiring environment temperature
Humidity data, cabin temperature sensor and driver's cabin humidity sensor in cabin air acquisition module are fixedly mounted
Between driver's seat and passenger's seat, for acquiring driving indoor temperature and humidity, windscreen temperature sensor is fixedly mounted on wind
Glass pane outer surface edge, for acquiring windscreen temperature, sleet sensor is fixedly mounted on outside vehicle-mounted skylight, and and ring
Border temperature sensor and ambient humidity sensor Electricity Federation, for obtaining air medium temperature degree and relative humidity, centralized control outside vehicle
Device while Electricity Federation ambient humidity sensor, environment temperature sensor, driver's cabin humidity sensor, cabin temperature sensor, wind
Glass pane temperature sensor and sleet sensor, execution module Electricity Federation central controller, and execution module are for controlling sky
The inner-outer circulation and throttle opening of tune.
In another embodiment, information acquisition module further includes battery tension sensor, centralized described in Electricity Federation
Control device.
In another embodiment, information acquisition module further includes car door latching sensor, centralized control described in Electricity Federation
Device.
As shown in Fig. 2, the present invention also provides a kind of parking windscreen active antifrost and the control devices of icing
Control method, the temperature and humidity of cabin air, prevents winter parking wind when wind turbine active control parking based on air-conditioning
Glass pane frosting and icing, are as follows：
Step 1: central controller judges whether driver opens active control system, and records before system is opened and drive
Otherwise the operation of member terminates if turning on into step 2；
Step 2: central controller judges whether car door is latched, if locking, enters step three, otherwise terminate；
Step 3: reading battery tension detection module signal, judge whether battery tension is less than threshold value, if being less than threshold
Value terminates, and otherwise enters in next step；
Step 4: environment humidity sensor and the acquisition of sleet acquisition module drive the relative humidity RH of outdoor airout、
Temperature ToutAnd judge no there is snowfall：
Step 5: the acquisition of air acquisition module drives the relative humidity RH of room air in driver's cabininWith temperature Tin, wind
Glass pane temperature sensor acquires windscreen temperature Tf；
Step 6: central controller drives indoor relative humidity RH according to acquisitionin, drive outdoor environment relative humidity
RHout, drive indoor temperature Tin, drive outdoor temperature ToutAnd windscreen temperature Tf, calculate and drive indoor saturated water steaming
Air pressure esin, water vapor pressure ein, drive the Saturated water vapor pressure e of outdoor environmentsout, water vapor pressure eout, calculation formula is：
ein=RHin·esin,
eout=RHout·esout；
Step 7: working as ein＞ esoutWhen, glass for vehicle window has the possibility of frosting, air-conditioning draught fan to open, and outer circulation is opened, with most
Wind Volume is dried, and the outer temperature and moisture sensors data of car are re-read after 30s, step 6 are repeated, until ein=esout；When
ein＜ esoutWhen, enter step eight；
Step 8: reading the outer sleet sensor signal of vehicle, such as snows, windscreen sensor temperature is read, if Tf＞
273.15K, wind turbine continue on, until windscreen temperature TfIt is down to 273.15K, is otherwise terminated.
In another embodiment, in the step 4, judge whether that snowfall includes the following steps：
Acquisition drives outdoor environment relative humidity RHoutAnd drive outdoor environment temperature Tout, calculate snowfall probability λ, drop
Snow probability empirical equation be：
In formula, RH0For relative humidity experience reduced value, unit %, T0For temperature experience reduced value, unit K, e are certainly
The truth of a matter of right logarithm；
Wherein, as snowfall probability λ >=1.43, it is judged as snowfall, as snowfall probability λ ＜ 1.43, is judged as not snowfall；
In this embodiment, T0=279.65K, RH0=10%.
In another embodiment, in the step 8, work as TfWhen ＞ 273.15K, the throttle opening β of wind turbine is carried out
It adjusts, the empirical equation of damper aperture β is：
In formula, T0For temperature experience reduced value, unit K, β0Throttle opening when being fully opened for the air door of wind turbine, e are
The truth of a matter of natural logrithm；In this embodiment, T0=279.65K.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (4)
1. the control method of a kind of parking windscreen active antifrost and the control device of icing, which is characterized in that including such as
Lower step：
Step 1: collecting vehicle external environment relative humidity RHoutAnd vehicle external environment temperature Tout, calculate snowfall probability λ, snowfall probability
Empirical equation be：
In formula, R0For relative humidity experience reduced value, T0For temperature experience reduced value, e is the truth of a matter of natural logrithm；
Wherein, as snowfall probability λ >=1.43, it is judged as snowfall, as snowfall probability λ ＜ 1.43, is judged as not snowfall；
Step 2: acquisition drives indoor relative humidity RHin, drive indoor temperature TinAnd windscreen temperature Tf, calculate and drive
Indoor Saturated water vapor pressure esin, water vapor pressure ein, drive the Saturated water vapor pressure e of outdoor environmentsout, water vapor pressure eout,
Calculation formula is：
ein=RHin·esin,
eout=RHout·esout；
Step 3: working as ein＞ esoutWhen, air-conditioning draught fan is opened, and is opened outer circulation, is worked as ein≤esoutWhen, snowfall probability is read, is sentenced
When disconnected snowfall, and TfWhen ＞ 273.15, wind turbine continues on, until windscreen temperature TfWhen≤273.15, wind turbine is closed.
2. the control method of parking windscreen active antifrost as described in claim 1 and the control device of icing, special
Sign is, car door locking detection is carried out before the step 1, and the control device unlatching is carried out when determining that car door is latched.
3. the control method of parking windscreen active antifrost as claimed in claim 2 and the control device of icing, special
Sign is, before the step 1, and battery tension detection is carried out after car door locking detection, when determining
It states battery tension and carries out the control device unlatching higher than threshold value.
4. the control of parking windscreen active antifrost as claimed in any one of claims 1-3 and the control device of icing
Method, which is characterized in that in the step 3, work as TfWhen ＞ 273.15, the throttle opening β of wind turbine is adjusted, is adjusted
The empirical equation of throttle opening β is：
In formula, T0For temperature experience reduced value, β0Throttle opening when being fully opened for the air door of wind turbine, e are the bottom of natural logrithm
Number.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315933.3A CN107139681B (en) | 2017-05-08 | 2017-05-08 | A kind of control device and its control method of parking windscreen active antifrost and icing |
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| CN201710315933.3A CN107139681B (en) | 2017-05-08 | 2017-05-08 | A kind of control device and its control method of parking windscreen active antifrost and icing |
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| CN107139681A CN107139681A (en) | 2017-09-08 |
| CN107139681B true CN107139681B (en) | 2018-07-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733158B (en) * | 2019-02-19 | 2020-09-11 | 宁波吉利汽车研究开发有限公司 | Vehicle window glass instantaneous fogging prevention system, instantaneous fogging prevention method and vehicle |
| CN110978951B (en) * | 2019-12-17 | 2021-06-11 | 重庆超力电器有限责任公司 | Demisting control method and device and automobile |
| CN113778145A (en) * | 2021-09-13 | 2021-12-10 | 中国人民解放军国防科技大学 | Condensation structure is prevented to low temperature flow field observation experiment observation window glass's intelligence |
| CN114905921A (en) * | 2022-04-25 | 2022-08-16 | 一汽奔腾轿车有限公司 | Electric vehicle glass frost prevention control method based on automatic air conditioner |
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| KR20130042690A (en) * | 2011-10-19 | 2013-04-29 | 현대자동차주식회사 | Method for controlling frost of windshield using fog load value |
| CN105270141A (en) * | 2015-11-19 | 2016-01-27 | 深圳乐行无限科技有限公司 | Automotive air conditioner controlling method and air conditioner controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100083866A (en) * | 2009-01-15 | 2010-07-23 | 한라공조주식회사 | Method of controlling an oxygen generator for a vehicle |
| KR20130042690A (en) * | 2011-10-19 | 2013-04-29 | 현대자동차주식회사 | Method for controlling frost of windshield using fog load value |
| CN102991440A (en) * | 2012-11-14 | 2013-03-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile automatic defogging system and control method thereof |
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