CN102275485A - Thawing unit for automobile windscreen wiper - Google Patents
Thawing unit for automobile windscreen wiper Download PDFInfo
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- CN102275485A CN102275485A CN2011101377463A CN201110137746A CN102275485A CN 102275485 A CN102275485 A CN 102275485A CN 2011101377463 A CN2011101377463 A CN 2011101377463A CN 201110137746 A CN201110137746 A CN 201110137746A CN 102275485 A CN102275485 A CN 102275485A
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- guide duct
- outer guide
- air outlet
- thawing apparatus
- wiper
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Abstract
The invention provides a thawing unit for an automobile windscreen wiper, belonging to the technical field of automobiles and solving the problem that the traditional thawing unit for the windscreen wiper leads to uneven heating to a windscreen so as to result in a cracking phenomenon. The thawing unit for the automobile windscreen wiper in the invention comprise an outer wind guiding pipe, a control mechanism 1 capable of controlling the communication state of the outer wind guiding pipe is arranged on the outer wind guiding pipe, one end of the outer wind guiding pipe can be communicated with an air-conditioner wind outlet pipe, the other end of the outer wind guiding pipe is provided with a wind outlet and is located below the outer side of a front windscreen, and when a wiper blade of the windscreen wiper is located at a lowest position, the wiper blade corresponds to the wind outlet of the outer wind guiding pipe. The thawing unit for the automobile windscreen wiper in the invention has the advantages of high thawing efficiency, travel time saving performance, simple structure, low production cost, capability of being used in different vehicle types, high use safety and long service life, and can be used for evaporating thawed water in a thawing process so as to prevent the thawed water from icing at other positions.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of vehicle wiper, particularly a kind of vehicle wiper thawing apparatus.
Background technology
Automobile is meant that the engine installation of self equipment drives, and generally has four or more wheel, does not rely on track or stringing and at the vehicle of land locomotion.In the winter of cold, often meet inclement weather such as snow, freezing, automobile also is one of the easiest article that are subjected to the severe cold influence.Front windshield is covered by ice and snow, and this causes automobile normally to use; For the ice and snow of removing front windshield then need start windscreen wiper, utilize windscreen wiper that ice and snow is removed to both sides.Also can cause the scraping blade of windscreen wiper firmly to be frozen on front windshield when front windshield is covered by ice and snow, windscreen wiper can't normal rotation.
At present, air-conditioning improves the car indoor temperature on the automobile though chaufeur also can utilize, and then demist is thawed, but because room conditioning directly blows to front windshield, transmit heat by glass, thereby make that the windscreen wiper be frozen in can't quick-thawing, cause vehicle not use apace.Therefore can prolong chaufeur and passenger's wait time, for the current quickly society of rhythm, this phenomenon can't be tolerated by people.
In order to solve the problem of above-mentioned existence, once the someone had proposed different solutions, as the disclosed a kind of wiper thawing apparatus [China Patent No.: ZL200510022352.8 of Chinese patent literature; Granted publication number: CN100527898C], comprise calandria, temperature sensor and heating control circuit, temperature sensor detects the temperature in wiper and front windshield contact surface annex zone, and the output temperature signal is to heating control circuit, this heating control circuit judges according to this temperature signal whether this wiper freezes, as freeze, then control calandria heating and wiper is thawed, calandria is pasted on the inboard of this front windshield lower edge to stop position that should wiper, and the area of this calandria covers the area that the wiper stop position occupies.Though this technical scheme has solved theoretically, but exist certain defective, when even the temperature in wiper and front windshield contact surface annex zone is lower than zero degree, therefore locating not have rainwater does not gather and freezes, but control circuit still can be controlled the calandria heating, then will inevitably waste energy and injure the scraping blade of front windshield and wiper.This scheme very easily causes Windshield to be heated inhomogeneous and produces the phenomenon break taking place, and has again, and air-conditioning can have been realized same function at present, is installed in the air outlet below the indoor front windshield, and warm braw can directly blow to Windshield.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of wiper thaw scheme diversification and easier vehicle wiper thawing apparatus of control of making at existing technology.
Purpose of the present invention can realize by following technical proposal: a kind of vehicle wiper thawing apparatus, automobile comprises vehicle body, be fixed with air-conditioning on the vehicle body, front windshield and wiper, it is characterized in that, this thawing apparatus comprises outer guide duct, described outer guide duct is provided with the control mechanism one that can control outer guide duct connected state, one end of described outer guide duct can communicate with the air-conditioning discharge pipe, the other end of outer guide duct has the bottom that air outlet and this end are positioned at the front windshield outside, when the scraping blade of wiper is positioned at the extreme lower position state scraping blade with outside the air outlet of guide duct relative.
Therefore this vehicle wiper thawing apparatus only comprises outer guide duct and control mechanism one, has simple in structure, advantage cheaply.Utilize freezing can the carrying out as follows on this vehicle wiper thawing apparatus releasing wiper: at first chaufeur finds that the scraping blade of wiper is frozen on the front windshield, and needs this moment to handle wiper, then starts automobile mounted air-conditioning.Operating control mechanism one makes outer guide duct be in connected state then, on warm braw blows and leans the ice face at place to wiper scraping article and front windshield, the air-flow that blows out from air outlet can cover the scraping blade of wiper substantially, therefore freezing thawing fast under warm braw directly acts on.In this process, optimum for automobile is in the horsepower input that halted state guarantees air-conditioning, the warm braw that air-conditioning is blown out is strong warm braw, can improve the efficient of thawing thus.Thaw finish after once more operating control mechanism one make outer guide duct be in off condition, avoid energy dissipation thus, and avoid foreign material to enter in the air-conditioning discharge pipe.
In above-mentioned vehicle wiper thawing apparatus, described control mechanism one comprises the electromagnetic valve that is connected on the outer guide duct, is connected with master cock on the described electromagnetic valve.It is indoor that master cock is arranged on car, and chaufeur is pressed the just switching of may command electromagnetic valve of master cock, and then realize changing the connected state of outer guide duct.
In above-mentioned vehicle wiper thawing apparatus, described control mechanism one comprises the guiding valve that is connected on the outer guide duct, is connected with pull bar on the valve rod of described guiding valve.Manually pulling or pushing drawing rod just can make the spool of guiding valve slide, and then realize changing the connected state of outer guide duct.
In above-mentioned vehicle wiper thawing apparatus, the air outlet of described outer guide duct all is strip, and lateral axis is horizontally disposed with.This structure can improve concentration degree and the intensity that blows out warm braw from outer guide duct, and then guarantees that air-flow can cover the scraping blade of wiper substantially.
In above-mentioned vehicle wiper thawing apparatus, the outlet air end of described outer guide duct has the diminishing portion of successively decreasing.
In above-mentioned vehicle wiper thawing apparatus, the air outlet place of described outer guide duct is provided with and prevents that foreign material from entering the protection structure in the outer guide duct.Protection structure self-opening and strong warm braw is under pressure blown to wiper scraping article and the front windshield place that leans.Pressure in the outer guide duct is higher, can avoid thus outside foreign material enter when fender guard is opened in the guide duct.Simultaneously; also can avoid water stain the entering in the outer guide duct of melting; even the water stain of trace entered outer guide duct; under strong warm braw effect; water stainly also can be dried very soon, after the wiper scraping article was thawed fully, outer guide duct was in off condition; protection structure energy SELF CL, and then the air outlet of the outer guide duct of sealing.
In above-mentioned vehicle wiper thawing apparatus, described protection structure comprises check valve that is connected outer guide duct air outlet inboard and the screen cloth that is positioned at the air outlet place of outer guide duct.
In above-mentioned vehicle wiper thawing apparatus, described protection structure can hide air outlet and can form the leak free baffle plate with the air outlet outer rim outside comprising the screen cloth at the air outlet place that is positioned at outer guide duct and being positioned at screen cloth, and a side of described baffle plate is fixed on the outer guide duct; Described screen cloth is fixed on the outer guide duct.
In above-mentioned vehicle wiper thawing apparatus, described baffle plate adopts elastomeric material to make.After outer guide duct stopped blowing, the baffle plate of protection in the structure was resisted against on the end face of outer guide duct again and forms and seal under the effect of gravity and self elastic force.When outer guide duct was in the air feed state, the air-flow in the outer guide duct can blow baffle plate open, can not influence normally blowing out of warm braw air-flow thus.
In above-mentioned vehicle wiper thawing apparatus, the upper limb of described baffle plate is connected mutually with the upper limb of outer guide duct air outlet.
In above-mentioned vehicle wiper thawing apparatus, 1~3 of the quantity of described outer guide duct.
In above-mentioned vehicle wiper thawing apparatus, it also comprises interior guide duct, the control mechanism two of guide duct connected state in guide duct is provided with and can controls in described, an end of guide duct can communicate with the air-conditioning discharge pipe in described, and the other end of interior guide duct has the inboard that air outlet and this end are positioned at the front windshield lower edge.
In above-mentioned vehicle wiper thawing apparatus, described control mechanism two comprises the electromagnetic valve that is connected on the interior guide duct, is connected with master cock on the described electromagnetic valve.
In above-mentioned vehicle wiper thawing apparatus, described outer guide duct and interior guide duct are fixed on the vehicle body.
Compared with prior art, this vehicle wiper thawing apparatus has the following advantages:
1, the employing of this thawing apparatus is to adopt strong warm braw directly to blow to the wiper scraping blade to freeze to locate, therefore have the efficient of thawing height, save the trip time, the advantage that meets people's rule of life can avoid all the other positions to freeze once more the water evaporation of melting in course of defrosting simultaneously again.
2, this thawing apparatus include only outer guide duct and in guide duct, therefore have simple in structure, the low and advantage that can in different automobile types, use of productive costs.
3, this thawing apparatus is only manually operated by chaufeur, therefore has advantage easy to use and can avoid energy dissipation and the generation of automatically actuated situation.
4, the fender guard at guide duct air outlet place, this thawing apparatus China and foreign countries can avoid foreign material to enter in the outer guide duct, therefore has advantage safe to use, long service life.
Description of drawings
Fig. 1 is the perspective view of this vehicle wiper thawing apparatus on automobile.
Fig. 2 is the perspective view of this vehicle wiper thawing apparatus.
Fig. 3 is the local structure for amplifying scheme drawing in the air outlet place of this vehicle wiper thawing apparatus.
Fig. 4 is the perspective view of baffle plate and screen cloth in this vehicle wiper thawing apparatus.
Fig. 5 is the perspective view of screen cloth in this vehicle wiper thawing apparatus.
Among the figure, 1, outer guide duct; 2, guiding valve; 3, pull bar; 4, the portion of successively decreasing; 5, baffle plate; 6, screen cloth; 7, vehicle body.
The specific embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As depicted in figs. 1 and 2, automobile comprises vehicle body 7, is fixed with air-conditioning, front windshield and wiper on the vehicle body 7, and this vehicle wiper thawing apparatus is mainly used in the wiper that is frozen on the front windshield is thawed.It comprises outer guide duct 1, control mechanism one, interior guide duct, control mechanism two and protection structure.
Specifically, to shown in Figure 5, the quantity of outer guide duct 1 and interior guide duct is 1~3 as Fig. 2.It is preferably two, and then outer guide duct 1 and interior guide duct are all along the longitudinal vehicle axis setting.
Control mechanism one is used to control outer guide duct 1 connected state, and control mechanism two is used to control interior guide duct connected state.More particularly, the structure of control mechanism one and control mechanism two can be identical, is connected with pull bar 3 on the valve rod of guiding valve 2.The operator spur according to actual needs or pushing drawing rod 3 just may command guide duct (interior and outer) be in and be communicated with or off condition.
Can also adopt another kind of mechanism to control the guide duct connected state according to actual conditions control mechanism one and control mechanism two.Control mechanism one and control mechanism two include the electromagnetic valve that is connected on the corresponding guide duct (interior and outer), are connected with master cock on the electromagnetic valve, and it is indoor that master cock is fixed on car.
Outer guide duct 1 and interior guide duct are fixed on the vehicle body 7; One end of outer guide duct 1 and an end of interior guide duct all communicate with the air-conditioning discharge pipe, and the other end of interior guide duct has air outlet, and this air outlet is strip.The other end of interior guide duct is positioned at the bottom of front windshield inboard, the air outlet of interior guide duct is relative with the windshield face and can cover Windshield substantially from the air-flow that air outlet blows out, and lateral axis is horizontally disposed with, and the outlet air end of interior guide duct has the diminishing portion 4 of successively decreasing.In order to prevent that bigger foreign material from falling in the interior guide duct, so be provided with screen cloth 6 at the air outlet place of interior guide duct.
The other end of outer guide duct 1 has air outlet, and this air outlet is strip.The other end of outer guide duct 1 is positioned at the bottom in the front windshield outside, and lateral axis is horizontally disposed with, and the outlet air end of outer guide duct 1 has the diminishing portion 4 of successively decreasing.The air outlet of outer guide duct 1 is installed in the cabin lid, and relative with the Windshield outer lower portion, when the scraping blade of wiper was positioned at the extreme lower position state, scraping blade was relative with the air outlet of outer guide duct 1, and the air-flow that blows out from air outlet can cover the scraping blade of wiper substantially.
The air outlet place of outer guide duct 1 is provided with the protection structure that prevents that foreign material and sewage from entering.More particularly, protect structure to comprise the screen cloth 6 at the air outlet place that is positioned at outer guide duct 1 and be positioned at screen cloth 6 outsides can hide air outlet and can form leak free baffle plate 5 with the air outlet outer rim, screen cloth 6 is fixed on the outer guide duct 1.The upper limb of baffle plate 5 is connected mutually with the upper limb of outer guide duct air outlet, and baffle plate 5 adopts elastomeric materials to make, and has certain elasticity and flintiness, through warm braw repeatedly blow, freezing weather and do not influence its function.Baffle plate 5 can form sealing when leaning with the air outlet outer rim.According to actual conditions, the edge in the both sides of the edge of baffle plate 5 is connected mutually with the corresponding edge of outer guide duct air outlet.When outer guide duct is in off condition the protection structure can avoid foreign material enter outside in the guide duct 1.
According to the actual conditions needs, the protection structure can also adopt another kind of structure.The protection structure comprises check valve that is connected outer guide duct 1 air outlet inboard and the screen cloth 6 that is positioned at the air outlet place of outer guide duct 1.
Utilize freezing can the carrying out as follows on this vehicle wiper thawing apparatus releasing wiper.Chaufeur finds that the scraping blade of wiper is frozen on the front windshield and need handle wiper this moment, then starts automobile mounted air-conditioning, blows to front windshield, and air quantity is transferred to maximum.Operating control mechanism one and control mechanism two make outer guide duct 1 and interior guide duct all be in connected state or independent control mechanism one makes outer guide duct 1 be in connected state; self-opening and strong warm braw blow to wiper scraping article and the front windshield place that leans, freezing thawing fast under warm braw directly acts on by force under pressure then to protect structure.Because the pressure in the outer guide duct 1 is higher; can avoid water stain the entering in the outer guide duct 1 of melting thus,, under strong warm braw effect, be dried soon even trace water stain entered outer guide duct 1; thus, equally also can avoid outside foreign material enter when fender guard is opened in the guide duct 1.After the wiper scraping article is thawed fully; just operating control mechanism one makes outer guide duct 1 be in off condition once more; avoid energy dissipation thus, protect baffle plate 5 in the structure simultaneously under the effect of gravity and self elastic force, be resisted against on the end face of outer guide duct 1 again and form sealing.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.The technical personnel of the technical field of the invention can be made various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used outer guide duct 1 morely; Guiding valve 2; Pull bar 3; The portion 4 of successively decreasing; Baffle plate 5; Screen cloth 6 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. vehicle wiper thawing apparatus, automobile comprises vehicle body (7), vehicle body is fixed with air-conditioning on (7), front windshield and wiper, it is characterized in that, this thawing apparatus comprises outer guide duct (1), described outer guide duct (1) is provided with the control mechanism one that can control outer guide duct (1) connected state, one end of described outer guide duct (1) can communicate with the air-conditioning discharge pipe, the other end of outer guide duct (1) has the bottom that air outlet and this end are positioned at the front windshield outside, when the scraping blade of wiper is positioned at the extreme lower position state scraping blade with outside the air outlet of guide duct (1) relative.
2. vehicle wiper thawing apparatus according to claim 1 is characterized in that, described control mechanism one comprises the electromagnetic valve that is connected on the outer guide duct (1), is connected with master cock on the described electromagnetic valve.
3. vehicle wiper thawing apparatus according to claim 1 is characterized in that, described control mechanism one comprises the guiding valve (2) that is connected on the outer guide duct (1), is connected with pull bar (3) on the valve rod of described guiding valve (2).
4. according to claim 1 or 2 or 3 described vehicle wiper thawing apparatus, it is characterized in that the air outlet of described outer guide duct (1) all is strip, and lateral axis is horizontally disposed with; The outlet air end of described outer guide duct (1) has the diminishing portion of successively decreasing (4).
5. according to claim 1 or 2 or 3 described vehicle wiper thawing apparatus, it is characterized in that the air outlet place of described outer guide duct (1) is provided with and prevents that foreign material from entering the protection structure in the outer guide duct (1).
6. vehicle wiper thawing apparatus according to claim 5 is characterized in that, described protection structure comprises the check valve that is connected outer guide duct (1) air outlet inboard and is positioned at the screen cloth (6) at the air outlet place of outer guide duct (1).
7. vehicle wiper thawing apparatus according to claim 5, it is characterized in that, described protection structure can hide air outlet and can form leak free baffle plate (5) with the air outlet outer rim outside comprising the screen cloth (6) at the air outlet place that is positioned at outer guide duct (1) and being positioned at screen cloth (6), and a side of described baffle plate (5) is fixed on the discharge pipe; Described screen cloth (6) is fixed on the outer guide duct (1).
8. vehicle wiper thawing apparatus according to claim 7 is characterized in that, described baffle plate (5) adopts elastomeric material to make.
9. vehicle wiper thawing apparatus according to claim 7 is characterized in that, the upper limb of described baffle plate (5) is connected mutually with the upper limb of outer guide duct (1) air outlet.
10. vehicle wiper thawing apparatus according to claim 7 is characterized in that, 1~3 of the quantity of described outer guide duct (1).
Priority Applications (1)
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CN 201110137746 CN102275485B (en) | 2011-05-26 | 2011-05-26 | Thawing unit for automobile windscreen wiper |
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CN 201110137746 CN102275485B (en) | 2011-05-26 | 2011-05-26 | Thawing unit for automobile windscreen wiper |
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CN102275485A true CN102275485A (en) | 2011-12-14 |
CN102275485B CN102275485B (en) | 2013-04-24 |
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CN 201110137746 Active CN102275485B (en) | 2011-05-26 | 2011-05-26 | Thawing unit for automobile windscreen wiper |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105480053A (en) * | 2016-02-25 | 2016-04-13 | 北京汽车研究总院有限公司 | Front windshield blowing device and automobile |
CN109435896B (en) * | 2018-12-06 | 2024-03-12 | 浙江兄弟之星汽配有限公司 | Can accomodate novel car wiper that has water spray defrosting function |
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CN1078432A (en) * | 1992-05-14 | 1993-11-17 | 张燕 | Multi-function protective device for automobile |
CN2451422Y (en) * | 2000-10-28 | 2001-10-03 | 程延军 | Electric heating windscreen wiper |
US20040134995A1 (en) * | 2003-01-15 | 2004-07-15 | Keeler Russell M. | Vehicle windshield ice and snow melt system |
CN1537760A (en) * | 2003-04-14 | 2004-10-20 | 现代自动车株式会社 | Defroster device for vehicle |
CN1984513A (en) * | 2005-12-16 | 2007-06-20 | 比亚迪股份有限公司 | Defreezer and defreezing method for wiper and automobile therewith |
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2011
- 2011-05-26 CN CN 201110137746 patent/CN102275485B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US4549471A (en) * | 1983-11-04 | 1985-10-29 | General Motors Corporation | Defroster system for use in motor vehicles |
CN1078432A (en) * | 1992-05-14 | 1993-11-17 | 张燕 | Multi-function protective device for automobile |
CN2451422Y (en) * | 2000-10-28 | 2001-10-03 | 程延军 | Electric heating windscreen wiper |
US20040134995A1 (en) * | 2003-01-15 | 2004-07-15 | Keeler Russell M. | Vehicle windshield ice and snow melt system |
CN1537760A (en) * | 2003-04-14 | 2004-10-20 | 现代自动车株式会社 | Defroster device for vehicle |
CN1984513A (en) * | 2005-12-16 | 2007-06-20 | 比亚迪股份有限公司 | Defreezer and defreezing method for wiper and automobile therewith |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105480053A (en) * | 2016-02-25 | 2016-04-13 | 北京汽车研究总院有限公司 | Front windshield blowing device and automobile |
CN105480053B (en) * | 2016-02-25 | 2018-09-21 | 北京汽车研究总院有限公司 | A kind of automobile |
CN109435896B (en) * | 2018-12-06 | 2024-03-12 | 浙江兄弟之星汽配有限公司 | Can accomodate novel car wiper that has water spray defrosting function |
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