CN206968619U - A kind of automobile windshield demisting device - Google Patents
A kind of automobile windshield demisting device Download PDFInfo
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- CN206968619U CN206968619U CN201720531827.4U CN201720531827U CN206968619U CN 206968619 U CN206968619 U CN 206968619U CN 201720531827 U CN201720531827 U CN 201720531827U CN 206968619 U CN206968619 U CN 206968619U
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- windshield
- suction motor
- air
- singlechip controller
- automobile
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- 238000010257 thawing Methods 0.000 claims abstract description 26
- 238000004378 air conditioning Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 24
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000003595 mist Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Substances [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a kind of automobile windshield demisting device, includes defrosting duct, humidity sensor, singlechip controller and suction motor；Electromagnetic valve is provided with defrosting duct, air inlet is connected with the gas outlet of air conditioning for automobiles, cold wind outlet is arranged on windshield lower edge；Windshield upper edge is provided with some stomatas for air draft；Humidity sensor is arranged on the inner surface of windshield；Suction motor is arranged on the top edge of windshield inwall, for the cold air of defrosting duct cold wind outlet discharge to be pumped to the stomata of windshield upper edge along windshield inwall；Singlechip controller is connected with humidity sensor, suction motor respectively.When producing fog, if inside and outside differential pressure is more than preset pressure threshold value, opens solenoid valve door, if inside and outside differential pressure is less than default threshold pressure differential, pressure difference is increased using suction motor while opens solenoid valve door.The utility model is simple in construction, easy to use, has larger practical value.
Description
Technical field
It the utility model is related to engineering technical field of heat transfer, more particularly to a kind of automobile windshield demisting device.
Background technology
A part of the air conditioning for automobiles as automobile, its importance are more and more prominent.How frost mist is quickly removed how
The generation again of frost mist is prevented after except frost mist, and ensures car indoor comfortable, is that very important in auto industry one grinds
Study carefully problem.
The scientific research personnel of Ford of the U.S. has developed a kind of electrical heating automobile wind shield glass of novel transparent.This glass
Glass is that superthin layer silver and zinc oxide are sprayed on the inner surface of interlayer vehicle glass, and one layer of thicker silver is sprayed on interlayer wind
Electric conductor is used as around gear glass.Quickly defrosting, the effect of demisting can be played after energization.But this Ford is this
It is more that defogging method needs lasting energization to consume energy, and cost is higher.A kind of automotive glazing antifoggant of Japanese Utility Model, works as quilt
, can be antifog while after glass surface, moreover it is possible to dissolve and simultaneously clean dirt, such as sleeve film organic substance, and in glass
Glass surface forms one layer of firm transparent hydrophilic coating film.But this antifoggant is not permanent, and cost is too high.Thomas
M.Urbank and Karma V.Sangwan et al. devise a set of automotive windshield automatic defrosting system, and to IDGT（It is comprehensive
Close dew point-glass temperature）Sensor is improved.This set windshield automatic defrosting system is 2000
Preliminary validation test has been carried out on Cadillac De Ville, has drawn gratifying result.Design philosophy is certainly
Dynamic demister system is combined with automotive air-conditioning system, AD（Automatic defrosting）An IDGT sensor is used in system, in mist
With regard to the appearance of mist can be predicted before formation.AD（Automatic defrosting）System possesses the ability of identification fogging situation, can carry out automatic
Demisting, and decide whether to exit defogging mode according to fogging situation, further, it is also possible to which the fresh air outside car room is introduced into car
Room reaches the purpose to room air dehumidification.Fujita et al. is studied car indoor thermal environment, but it is not entered
Mobile state is simulated, and does not also account for the influence of latent heat and humidity.Urbank et al. has researched and developed a kind of windshield temperature and passed
Sensor, glass temperature can be measured with reference to dew-point temperature, but have that oversized, cost is too high, easily causes again
The shortcomings of erroneous trigger, high energy consumption.
Lanzhou physics Institute develops a kind of new function film, abbreviation ITO films, utilizes magnetron sputtering
Membrane technology plates one layer of ITO film in all interior surfaces of glass of automobile, and because it has good electric conductivity, energization can have
Effect, rapidly demisting.This defogging method is substantially similar to Ford of the U.S., not only needs more preferable material, also
To continue to be powered, the shortcomings of easily causing too high cost, high energy consumption.Heilungkiang automobile repacking Co., Ltd engineers and technicians exist
Set about with glass sheet and designed and manufactured a kind of frostless, fogless front windshield doubling glass.Opening in-car outer space qi leel makes glass
Glass can not fogging, frosting, veritably play frostless, anti-fog effect, but the manufacturing cost of this glass is high.
Current all kinds of Defrost technology costs are too high, heat energy caused by heating defrosting consumption air-conditioning.
Utility model content
Technical problem to be solved in the utility model is to be directed to the defects of involved in background technology, there is provided a kind of vapour
Car bumper wind glass defogging device, to solve the problems, such as that windshield demisting efficiency is low, and improve air-conditioning utilization rate.
The utility model uses following technical scheme to solve above-mentioned technical problem：
A kind of automobile windshield demisting device, include defrosting duct, humidity sensor, singlechip controller and suction electricity
Machine；
The defrosting duct includes air inlet and cold wind exports, wherein, the gas outlet phase of the air inlet and air conditioning for automobiles
Even, the cold wind outlet is arranged on windshield lower edge；
The defrosting duct is provided with electromagnetic valve in air inlet, and the electromagnetic valve and the singlechip controller are electric
It is connected；
Edge is provided with some stomatas for air draft to the automobile on the windshield；
The humidity sensor is arranged on the inner surface of windshield, for sensing internal surface of car windscreen
Humidity, and pass it to the singlechip controller；
The suction motor is arranged on the top edge of windshield inwall, wherein, the air intake mouth down of suction motor, set
In windshield inner surface, the stomata of the air outlet of suction motor towards windshield upper edge；
The cold air that the suction motor is used to export in the defrosting duct cold wind discharge pumps to along windshield inwall
The stomata of windshield upper edge；
The singlechip controller is connected with the humidity sensor, suction motor respectively, for according to humidity sensor
Sensed data control and suck motor, electromagnetic valve work.
As a kind of further prioritization scheme of automobile windshield demisting device of the utility model, also sensed comprising speed
Device, the vehicle speed sensor and the singlechip controller are electrically connected, for obtaining the speed of automobile and passing it to institute
State singlechip controller.
The invention also discloses a kind of control method based on the automobile windshield demisting device, following step is included
Suddenly：
Step 1）, vehicle speed sensor detects the speed of automobile, and passes it to the singlechip controller；
Step 2）, humidity sensor detects the humidity at windshield inwall, and passes it to the single-chip microcomputer control
Device；
Step 3）, singlechip controller is according to the pressure difference outside the speed calculating in-car received；
Step 4）, the humidity received and default humidity threshold is compared by singlechip controller；
Step 4.1）If the humidity received is more than default humidity threshold；
Step 4.1.1）, the pressure difference outside in-car and default threshold pressure differential be compared by single-chip microcomputer；
Step 4.1.1.1）If the pressure difference outside in-car is more than default threshold pressure differential, singlechip controller control electromagnetism
Valve is opened；
Step 4.1.1.2）If the pressure difference outside in-car is less than or equal to default threshold pressure differential, singlechip controller control
Electromagnetic valve is opened, and control and suck motor works；
Step 4.2）If the humidity received is less than or equal to default humidity threshold, singlechip controller control and suck
Motor is stopped, and controls electromagnetic valve to close.
The utility model compared with prior art, has following technique effect using above technical scheme：
1. being drained using the cold air to defrosting duct blowout, stomata and suction motor, enhancing are set in glass upper end windward
The defrosting effect of defrosting duct；
2. due to automobile in motion, windward glass outer surface due to the flowing air pressure of air it is relatively low, plus suction motor
Effect, the cold air of defrosting duct can be made to be discharged along glass windward, while glass surface heat windward is siphoned away, reduced
Influence to automotive interior air themperature, realizes energy saving.
Brief description of the drawings
Fig. 1 is the car model top view of the utility model automobile windshield demisting device；
Fig. 2 is the car model side view of the utility model automobile windshield demisting device；
Fig. 3 is the schematic diagram of the cold air aspirator in the utility model；
Fig. 4 is the air flow method schematic diagram of the utility model automobile windshield demisting device.
Embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 2, the utility model discloses a kind of automobile windshield demisting device, comprising defrosting duct,
Humidity sensor, singlechip controller and suction motor；
The defrosting duct includes air inlet and cold wind exports, wherein, the gas outlet phase of the air inlet and air conditioning for automobiles
Even, the cold wind outlet is arranged on windshield lower edge；
The defrosting duct is provided with electromagnetic valve in air inlet, and the electromagnetic valve and the singlechip controller are electric
It is connected；
Edge is provided with some stomatas for air draft to the automobile on the windshield；
The humidity sensor is arranged on the inner surface of windshield, for sensing internal surface of car windscreen
Humidity, and pass it to the singlechip controller；
The suction motor is arranged on the top edge of windshield inwall, wherein, the air intake mouth down of suction motor, set
In windshield inner surface, the stomata of the air outlet of suction motor towards windshield upper edge；
The cold air that the suction motor is used to export in the defrosting duct cold wind discharge pumps to along windshield inwall
The stomata of windshield upper edge；
The singlechip controller is connected with the humidity sensor, suction motor respectively, for according to humidity sensor
Sensed data control and suck motor, electromagnetic valve work.
Automobile windshield demisting device also includes vehicle speed sensor, the vehicle speed sensor and the singlechip controller
It is electrically connected, for obtaining the speed of automobile and passing it to the singlechip controller.
As shown in figure 3, the invention also discloses a kind of control method based on the automobile windshield demisting device,
Comprise the steps of：
Step 1）, vehicle speed sensor detects the speed of automobile, and passes it to the singlechip controller；
Step 2）, humidity sensor detects the humidity at windshield inwall, and passes it to the single-chip microcomputer control
Device；
Step 3）, singlechip controller is according to the pressure difference outside the speed calculating in-car received；
Step 4）, the humidity received and default humidity threshold is compared by singlechip controller；
Step 4.1）If the humidity received is more than default humidity threshold；
Step 4.1.1）, the pressure difference outside in-car and default threshold pressure differential be compared by single-chip microcomputer；
Step 4.1.1.1）If the pressure difference outside in-car is more than default threshold pressure differential, singlechip controller control electromagnetism
Valve is opened；
Step 4.1.1.2）If the pressure difference outside in-car is less than or equal to default threshold pressure differential, singlechip controller control
Electromagnetic valve is opened, and control and suck motor works；
Step 4.2）If the humidity received is less than or equal to default humidity threshold, singlechip controller control and suck
Motor is stopped, and controls electromagnetic valve to close.
As shown in figure 4, the cold air of in-car air-conditioning blowout is blown through defrosting duct cold air outlet along car windshield, in garage
During sailing, air-flow velocity is high compared with inner side flow velocity on the outside of front windshield, and pressure is small, easily makes on the inside of in-car cold flow fitting vehicle window
Rise to higher position.But when speed is smaller, cold air just mixes at lower position with hot-fluid so that windshield inwall can not
Cool well, when the interior outside temperature difference is larger, and vehicle humidity is higher, vapor can congeal into droplet, i.e. shape in inner side
Into the mist of vehicle window, driver's seat is influenceed, it is possible to create traffic accident.
Therefore, the utility model is sufficiently large in automobile interior exterior pressure difference, when air-flow can form circulation in itself, only opens
Electromagnetic valve, and when automobile interior exterior pressure difference it is not big enough, when air-flow can not form circulation in itself, in opens solenoid valve door
While pressure difference increased using suction motor, form it into circulation.
Certainly, the utility model can not also use vehicle speed sensor, i.e., do not calculate automobile interior exterior magnitude of pressure differential, keep out the wind
Humidity on glass inner wall controls electromagnetic valve to open simultaneously control and suck motor work when being more than default humidity threshold.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the general understanding identical meaning with the those of ordinary skill in the utility model art
Justice.It should also be understood that those terms defined in such as general dictionary should be understood that with upper with prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with the implication of idealization or overly formal come
Explain.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
The utility model processed, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done etc.,
It should be included within the scope of protection of the utility model.
Claims (2)
1. a kind of automobile windshield demisting device, it is characterised in that include defrosting duct, humidity sensor, single-chip microcomputer control
Device and suction motor；
The defrosting duct includes air inlet and cold wind exports, wherein, the air inlet is connected with the gas outlet of air conditioning for automobiles, institute
State cold wind outlet and be arranged on windshield lower edge；
The defrosting duct is provided with electromagnetic valve, the electromagnetic valve and the electric phase of the singlechip controller in air inlet
Even；
Edge is provided with some stomatas for air draft to the automobile on the windshield；
The humidity sensor is arranged on the inner surface of windshield, for sensing the wet of internal surface of car windscreen
Degree, and pass it to the singlechip controller；
The suction motor is arranged on the top edge of windshield inwall, wherein, the air intake mouth down of suction motor, it is arranged on gear
Wind interior surfaces of glass, the stomata of the air outlet of suction motor towards windshield upper edge；
The suction motor, which is used to pump to the cold air of defrosting duct cold wind outlet discharge along windshield inwall, keeps out the wind
The stomata of glass upper edge；
The singlechip controller is connected with the humidity sensor, suction motor respectively, for the sense according to humidity sensor
Answer data control and suck motor, electromagnetic valve work.
2. automobile windshield demisting device according to claim 1, it is characterised in that also comprising vehicle speed sensor, institute
State vehicle speed sensor and the singlechip controller is electrically connected, for obtaining the speed of automobile and passing it to the monolithic
Machine controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720531827.4U CN206968619U (en) | 2017-05-15 | 2017-05-15 | A kind of automobile windshield demisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720531827.4U CN206968619U (en) | 2017-05-15 | 2017-05-15 | A kind of automobile windshield demisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206968619U true CN206968619U (en) | 2018-02-06 |
Family
ID=61412749
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720531827.4U Active CN206968619U (en) | 2017-05-15 | 2017-05-15 | A kind of automobile windshield demisting device |
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| Country | Link |
|---|---|
| CN (1) | CN206968619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010020A (en) * | 2017-05-15 | 2017-08-04 | 南京航空航天大学 | A kind of automobile windshield demisting device and its control method |
-
2017
- 2017-05-15 CN CN201720531827.4U patent/CN206968619U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010020A (en) * | 2017-05-15 | 2017-08-04 | 南京航空航天大学 | A kind of automobile windshield demisting device and its control method |
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