CN107344543A - A kind of automobile automatic defrosting system and method - Google Patents
A kind of automobile automatic defrosting system and method Download PDFInfo
- Publication number
- CN107344543A CN107344543A CN201710541802.7A CN201710541802A CN107344543A CN 107344543 A CN107344543 A CN 107344543A CN 201710541802 A CN201710541802 A CN 201710541802A CN 107344543 A CN107344543 A CN 107344543A
- Authority
- CN
- China
- Prior art keywords
- compartment
- temperature
- mcu
- glass
- window
- 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.)
- Pending
Links
- 238000010257 thawing Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 10
- 239000011521 glass Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims abstract description 17
- 230000008447 perception Effects 0.000 claims abstract description 10
- 230000006870 function Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 239000005357 flat glass Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
- B60S1/026—Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means
-
- 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
-
- 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
Abstract
Present invention is disclosed a kind of automobile automatic defrosting system, induced signal is exported to MCU, the MCU output drive signals to glass for vehicle window heating unit and air-conditioning system for the compartment temperature sensor of temperature in real-time perception compartment, for the compartment humidity sensor of relative humidity, the automotive window temperature sensor for real-time perception window temperature in real-time perception compartment.The present invention is by detecting the relative humidity of temperature and same point in compartment, calculate dew-point temperature, it is compared with the temperature of the glass for vehicle window of detection, in good time heatable vehicle window glass and the outer circulation for opening air-conditioning system, the system does not need artificial judgement and carries out demisting automatically, on the one hand facility is brought to driver, another aspect and can plays the effect of energy-saving and emission-reduction.
Description
Technical field
The present invention relates to auto parts and components field, and in particular to automobile window glass automatic defogging device.
Background technology
With the development and innovation of automotive engineering, most of automobile all carries windshield defrosting function, and in general is one
, it is necessary to which driver oneself presses startup air-conditioning system, hot blast can heat individual button through air outlet to windshield glass, and then remove
The fog of glass for vehicle window.It is true but often driver always can just go to open in the case where glass for vehicle window has had fog
On have impact on the sight of driver, incipient effect after startup nor very significantly, can just will often play after a while
The effect of demisting, this undoubtedly brings certain potential safety hazard to driving driving.
The content of the invention
The technical problems to be solved by the invention are to realize a kind of automobile window glass system of timely demisting and side automatically
Method.
To achieve these goals, the technical solution adopted by the present invention is：A kind of automobile automatic defrosting system, for real-time
Perceive the compartment temperature sensor of temperature in compartment, for the compartment humidity sensor of relative humidity, use in real-time perception compartment
Induced signal is exported to MCU, the MCU output drive signals in the automotive window temperature sensor of real-time perception window temperature
To glass for vehicle window heating unit and air-conditioning system.
The MCU connections input equipment, the input equipment start sensitivity-adjusted signal to MCU output adjusting systems.
The window temperature sensor is on the shield glass, temperature in humidity sensor and compartment in the compartment
It is identical to spend the installation site of sensor, and is installed in away from the nearer position of window temperature sensor.
Defogging method based on the automobile automatic defrosting system：
After system starts, MCU real-time reception vehicle windows windscreen temperature sensor obtains temperature information, the car of windshield
Humidity sensor obtains the relative humidity information in compartment in temperature information, compartment in railway carriage or compartment in temperature sensor acquisition compartment；
MCU calculates dew-point temperature in compartment according to the temperature information in the compartment of acquisition and relative humidity information, and will
Existing dew point temperature is compared with the temperature information when front windshield；
If when the temperature of front windshield is less than or equal to existing dew point temperature, defrosting function is opened, and working as front windshield
The temperature of glass closes defrosting function when being more than existing dew point temperature.
The defrosting function is opened controls glass for vehicle window heating unit to open for MCU, and glass for vehicle window is heated, described
Defrosting function is closed controls glass for vehicle window heating unit to close for MCU, stops heating glass for vehicle window.
The existing dew point temperature is equal to Ta+X, and the Ta is by the temperature information in current compartment and relative humidity information
The dew-point temperature of acquisition, the X are the safety coefficient inputted by input equipment.
MCU is according to the relative humidity S in the compartment of acquisition compared with pre-set value K, if S is more than K, MCU can control sky
Adjusting system opens automobile air outer circulation, and closes air-conditioning system when S is less than K.
The K is the adjustable parameter inputted by input equipment.
The present invention calculates dew-point temperature, and the vehicle window of detection by detecting the relative humidity of temperature and same point in compartment
The temperature of glass is compared, in good time heatable vehicle window glass and the outer circulation for opening air-conditioning system, what the system need not be artificial
Judge and carry out demisting automatically, on the one hand bring facility to driver, another aspect and can plays the effect of energy-saving and emission-reduction.
Brief description of the drawings
The content of every width accompanying drawing expression in description of the invention is briefly described below：
Fig. 1 is automobile automatic defrosting system block diagram；
Fig. 2 is automobile automatic defrosting System Working Principle figure.
Embodiment
As shown in figure 1, automobile automatic defrosting system includes window temperature sensor, temperature sensor in compartment, in compartment
Humidity sensor, MCU, glass for vehicle window heating unit and air-conditioning system.
Windscreen temperature sensor is installed on windshield, and must not influence the visual field of driver, windshield temperature
Degree sensor is used for the temperature for detecting windshield, and windscreen temperature Tw is sent into MCU in real time
The temperature that compartment temperature sensor is used in real-time perception compartment, and testing result is sent to automobile MCU.Compartment is wet
Spend sensor：Automobile MCU is sent to for the relative humidity in real-time perception compartment, and by result.
Temperature sensor and humidity sensor are mounted on away from the nearer place of window temperature sensor and not shadow in compartment
Other wire harness of in-car and equipment operation are rung, and temperature sensor and humidity sensor are installed on same position in compartment.
MCU calculates the temperature and humidity information perceived according to same point the dew-point temperature Ta for analyzing the point, works as Ta+X>
During=Tw, windshield may haze, and now MCU is that the heating unit that can control automobile window glass is carried out to glass for vehicle window
Heating (X is safety coefficient, be can adjust), when the relative humidity S in compartment can control air-conditioning system to open higher than certain value K, MCU
Automobile air outer circulation, reduce the humidity in automobile bodies (K values are adjustable)；When the heating unit and air conditioning for automobiles of glass for vehicle window
When system is separately or concurrently in running order, MCU is still receiving the information from three sensors, and calculates analysis, works as Ta
(dew-point temperature in compartment)+X<During Tw (window temperature), MCU can control automobile window glass heating unit to be stopped, and work as car
When relative humidity S is less than definite value K in railway carriage or compartment, MCU can close the outer circulation of air-conditioning system.
Due to needing that X and K are adjusted, system is provided with input equipment, MCU connection input equipments, and input equipment is to MCU
Output adjusting system starts sensitivity-adjusted signal, and input equipment can be physical button, this function can also be integrated in into vapour
In car instrument or middle control display screen (touch screen).
Specific control method is as shown in Fig. 2 comprise the following steps：
1) temperature information of windshield is obtained using vehicle window windscreen temperature sensor, and the data detected are real
When be transmitted to MCU；
2) temperature information in compartment is obtained using temperature sensor in compartment, and the data detected is transmitted in real time
MCU；
3) the relative humidity information in compartment is obtained using humidity sensor in compartment, and the data detected is passed in real time
To MCU；
4) MCU calculates dew point temperature in compartment according to the temperature information in the compartment of acquisition and relative humidity information analysis
Degree, and by this temperature compared with the temperature information of the windshield obtained, and control glass for vehicle window heating single according to judged result
Member and air-conditioning system work are stopped.
The compartment dew-point temperature Ta+X being calculated in step 4) by MCU>During=Tw (window temperature), MCU can be controlled
The heating unit of automobile window glass heats to glass for vehicle window, when the relative humidity S in compartment is higher than certain value K, MCU meeting
Control air-conditioning system to open automobile air outer circulation, reduce the humidity in automobile bodies；When the heating unit and vapour of glass for vehicle window
When car air-conditioning system is separately or concurrently in running order, Ta (dew-point temperature in compartment)+X<During Tw (window temperature), MCU meetings
Control automobile window glass heating unit is stopped, and when relative humidity S is less than definite value K in compartment, MCU can close air-conditioning system
The outer circulation of system.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing
Enter and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.
Claims (8)
- A kind of 1. automobile automatic defrosting system, it is characterised in that：For the compartment temperature sensor of temperature in real-time perception compartment, For the compartment humidity sensor of relative humidity, the automotive window temperature for real-time perception window temperature in real-time perception compartment Sensor exports induced signal to MCU, the MCU output drive signals to glass for vehicle window heating unit and air-conditioning system.
- 2. automobile automatic defrosting system according to claim 1, it is characterised in that：The MCU connections input equipment, it is described Input equipment starts sensitivity-adjusted signal to MCU output adjusting systems.
- 3. automobile automatic defrosting system according to claim 1 or 2, it is characterised in that：The window temperature sensor dress On shield glass, humidity sensor is identical with the installation site of temperature sensor in compartment in the compartment, and Installed in away from the nearer position of window temperature sensor.
- 4. the defogging method based on automobile automatic defrosting system described in claim 1-3, it is characterised in that：After system starts, MCU real-time reception vehicle windows windscreen temperature sensor obtains the temperature information of windshield, in compartment Humidity sensor obtains the relative humidity information in compartment in temperature information, compartment in temperature sensor acquisition compartment；MCU calculates dew-point temperature in compartment according to the temperature information in the compartment of acquisition and relative humidity information, and will be current Dew-point temperature is compared with the temperature information when front windshield；If when the temperature of front windshield is less than or equal to existing dew point temperature, defrosting function is opened, and working as front windshield Temperature close defrosting function when being more than existing dew point temperature.
- 5. according to the defogging method described in claims 4, it is characterised in that：The defrosting function is opened controls vehicle window for MCU Glass heating unit is opened, and glass for vehicle window is heated, and the defrosting function is closed controls glass for vehicle window heating unit for MCU Close, stop heating glass for vehicle window.
- 6. according to the defogging method described in claims 5, it is characterised in that：The existing dew point temperature is equal to Ta+X, described Ta is the dew-point temperature by the temperature information in current compartment and relative humidity acquisition of information, and the X is to be inputted by input equipment Safety coefficient.
- 7. according to the defogging method described in claims 4,5 or 6, it is characterised in that：MCU is according to relative in the compartment of acquisition Humidity S is compared with pre-set value K, if S is more than K, MCU can control air-conditioning system to open automobile air outer circulation, and be less than in S Air-conditioning system is closed during K.
- 8. according to the defogging method described in claims 7, it is characterised in that：The K is the adjustable ginseng inputted by input equipment Number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541802.7A CN107344543A (en) | 2017-07-05 | 2017-07-05 | A kind of automobile automatic defrosting system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541802.7A CN107344543A (en) | 2017-07-05 | 2017-07-05 | A kind of automobile automatic defrosting system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107344543A true CN107344543A (en) | 2017-11-14 |
Family
ID=60256874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710541802.7A Pending CN107344543A (en) | 2017-07-05 | 2017-07-05 | A kind of automobile automatic defrosting system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107344543A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532403A (en) * | 2019-01-11 | 2019-03-29 | 江苏友穗传感科技股份有限公司 | A kind of automobile demisting sensor and its demister system |
| CN109838168A (en) * | 2017-11-29 | 2019-06-04 | 上海汽车集团股份有限公司 | Vehicle cab automatic defrosting method and control module |
| CN110822495A (en) * | 2019-11-15 | 2020-02-21 | 广东美的厨房电器制造有限公司 | Household appliance and control method thereof |
| CN110816475A (en) * | 2019-12-05 | 2020-02-21 | 宝能汽车有限公司 | Vehicle window defogging device and vehicle window defogging method |
| CN110968336A (en) * | 2019-12-12 | 2020-04-07 | 奇瑞汽车股份有限公司 | Method for opening and closing automatic demisting configuration of whole vehicle |
| CN112124249A (en) * | 2020-09-22 | 2020-12-25 | 上海福太隆汽车电子科技有限公司 | Automatic defogging control method |
| CN112172477A (en) * | 2019-07-01 | 2021-01-05 | 广州汽车集团股份有限公司 | Defogging method and system for automobile front windshield |
| CN112622826A (en) * | 2020-12-25 | 2021-04-09 | 广州小鹏自动驾驶科技有限公司 | Heating control method and device |
| CN112947212A (en) * | 2021-03-01 | 2021-06-11 | 合肥工业大学 | Transparent conductive film intelligence defogging system based on singlechip |
| CN113829847A (en) * | 2021-10-29 | 2021-12-24 | 海信集团控股股份有限公司 | Vehicle and vehicle window defogging method thereof |
| CN115402263A (en) * | 2022-04-26 | 2022-11-29 | 中国第一汽车股份有限公司 | Intelligent automobile defogging system and automobile |
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| JP2002144842A (en) * | 2000-11-10 | 2002-05-22 | Denso Corp | Vehicular electronic control system |
| CN103318140A (en) * | 2013-05-28 | 2013-09-25 | 奇瑞汽车股份有限公司 | Automatic demisting system for front windshield inner surface of automobile |
| CN104442712A (en) * | 2014-11-06 | 2015-03-25 | 无锡科思电子科技有限公司 | Anti-fogging method for automotive front windshield |
| CN104527372A (en) * | 2015-01-16 | 2015-04-22 | 北京汽车研究总院有限公司 | Automatic defogging system for automobile air-conditioner and automobile |
| CN105383444A (en) * | 2014-08-20 | 2016-03-09 | 福特全球技术公司 | Windshield defogging system and method |
-
2017
- 2017-07-05 CN CN201710541802.7A patent/CN107344543A/en active Pending
Patent Citations (5)
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| JP2002144842A (en) * | 2000-11-10 | 2002-05-22 | Denso Corp | Vehicular electronic control system |
| CN103318140A (en) * | 2013-05-28 | 2013-09-25 | 奇瑞汽车股份有限公司 | Automatic demisting system for front windshield inner surface of automobile |
| CN105383444A (en) * | 2014-08-20 | 2016-03-09 | 福特全球技术公司 | Windshield defogging system and method |
| CN104442712A (en) * | 2014-11-06 | 2015-03-25 | 无锡科思电子科技有限公司 | Anti-fogging method for automotive front windshield |
| CN104527372A (en) * | 2015-01-16 | 2015-04-22 | 北京汽车研究总院有限公司 | Automatic defogging system for automobile air-conditioner and automobile |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838168A (en) * | 2017-11-29 | 2019-06-04 | 上海汽车集团股份有限公司 | Vehicle cab automatic defrosting method and control module |
| CN109532403A (en) * | 2019-01-11 | 2019-03-29 | 江苏友穗传感科技股份有限公司 | A kind of automobile demisting sensor and its demister system |
| CN112172477A (en) * | 2019-07-01 | 2021-01-05 | 广州汽车集团股份有限公司 | Defogging method and system for automobile front windshield |
| CN110822495A (en) * | 2019-11-15 | 2020-02-21 | 广东美的厨房电器制造有限公司 | Household appliance and control method thereof |
| CN110816475A (en) * | 2019-12-05 | 2020-02-21 | 宝能汽车有限公司 | Vehicle window defogging device and vehicle window defogging method |
| CN110968336A (en) * | 2019-12-12 | 2020-04-07 | 奇瑞汽车股份有限公司 | Method for opening and closing automatic demisting configuration of whole vehicle |
| CN110968336B (en) * | 2019-12-12 | 2021-08-31 | 奇瑞汽车股份有限公司 | Method for opening and closing automatic demisting configuration of whole vehicle |
| CN112124249A (en) * | 2020-09-22 | 2020-12-25 | 上海福太隆汽车电子科技有限公司 | Automatic defogging control method |
| CN112124249B (en) * | 2020-09-22 | 2024-03-29 | 上海福太隆汽车电子科技有限公司 | Automatic demisting control method |
| CN112622826A (en) * | 2020-12-25 | 2021-04-09 | 广州小鹏自动驾驶科技有限公司 | Heating control method and device |
| CN112947212A (en) * | 2021-03-01 | 2021-06-11 | 合肥工业大学 | Transparent conductive film intelligence defogging system based on singlechip |
| CN112947212B (en) * | 2021-03-01 | 2022-08-02 | 合肥工业大学 | Transparent conductive film intelligence defogging system based on singlechip |
| CN113829847A (en) * | 2021-10-29 | 2021-12-24 | 海信集团控股股份有限公司 | Vehicle and vehicle window defogging method thereof |
| CN113829847B (en) * | 2021-10-29 | 2023-09-19 | 海信集团控股股份有限公司 | Vehicle and vehicle window defogging method thereof |
| CN115402263A (en) * | 2022-04-26 | 2022-11-29 | 中国第一汽车股份有限公司 | Intelligent automobile defogging system and automobile |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171114 |
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| RJ01 | Rejection of invention patent application after publication |