CN114951188B - Device and method for cleaning viewport of train wheel set - Google Patents
Device and method for cleaning viewport of train wheel set Download PDFInfo
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- CN114951188B CN114951188B CN202210498386.8A CN202210498386A CN114951188B CN 114951188 B CN114951188 B CN 114951188B CN 202210498386 A CN202210498386 A CN 202210498386A CN 114951188 B CN114951188 B CN 114951188B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000000428 dust Substances 0.000 claims description 25
- 239000011521 glass Substances 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 239000005357 flat glass Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012634 optical imaging Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
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- 230000003760 hair shine Effects 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a device and a method for cleaning a viewport of a train wheel set, which comprises the following steps: the windscreen wiper structure is connected with the window panel through an elastic component, and the lens is arranged on the window panel; the windscreen wiper structure comprises a lifting plate, a driving device is arranged in the middle of one side of the lifting plate, which is far away from a window panel, sliding rails are arranged at the top and the bottom of the lifting plate, a gear is arranged at the output end of the driving device, the sliding rails are connected with sliding blocks in a sliding manner, and the sliding blocks are provided with racks meshed with the sliding blocks; one side of top slider, bottom slider one side opposite with top slider one side all are equipped with the windscreen wiper, all are equipped with near the light of opening in the initial position and the final position of windscreen wiper, the position that the window panel corresponds the lifter plate is equipped with the electro-magnet.
Description
Technical Field
The invention relates to a device and a method for cleaning a viewport of a train wheel set, and belongs to the technical field of operation and maintenance detection equipment of railway lines.
Background
Along with the progress of science and technology, more and more unmanned intelligent security of high accuracy detects monitoring and equips and is installed and come into use on the railway main line, and abominable outdoor operating mode environment has great influence to the reliability that high accuracy safety detection monitored and equips optical imaging, and this kind of equipment need adopt window clearance mechanical mechanism to clear up dust and the rainwater on window glass surface to ensure that core precision optical device can normally work. The prior art is characterized in that: at present, the main cleaning mode is that manual cleaning is mainly adopted, and a periodical skylight point wiping mode is adopted.
1.
(1) The existing window glass cleaning mode is mostly a manual wiping mode, and the existing window glass cleaning mode is free of a windscreen wiper. When raining, because muddy water that the train brought directly hits on the viewport, stick with paste the viewport, the dirt can't be cleared up automatically to equipment, leads to the unable normal light-emitting of viewport, influences its use, just needs the manual maintenance of wiping.
(2) Most of the most widely applied windscreen wipers are automatic windscreen wipers for automobile windshields, the mode is reciprocating motion, when the windscreen wipers move back and forth, dust particles on the surfaces of the glass are easy to generate hard friction with the glass, the glass is easy to scratch, the perception degree of human eyes on trace impurities is not too high, the normal driving of drivers is not influenced,
such a mechanism would not be suitable if the viewport of the railroad equipment was cleaned. Because when the train travels, the greasy dirt that brings attaches on the viewport, when opening the windscreen wiper, do reciprocating motion, rub on glass repeatedly, lead to optical glass reflection of light easily under the sunlight shines, these equipment adopt high accuracy camera mostly, and it is very high to the formation of image requirement, can not have a interference of silk, so need more ingenious mechanical structure, clear up the viewport.
(3) Traditional meaningful windscreen wiper, the design is mostly the unilateral vertical design, and this kind of mode drawback lies in, when the windscreen wiper needs to be about clearance view port, does not have the power of driving about downwards to and automatic rising function, do one-way clearance for supporting, the greasy dirt can only be along with the windscreen wiper, this kind of scheme need rub on the view port repeatedly, also scratch very easily or scrape the flower view port long consuming time, lead to the equipment formation of image not clear enough.
2. In the existing equipment, a viewport is not provided with a glass cleaning device, and glass is exposed in an outdoor environment for a long time, so that a large amount of dust is generated on the viewport and oil stains caused by goods loaded on a train cannot be cleaned in time, so that a camera has poor imaging quality and blurred images, only a skylight point can be relied on, manual wiping maintenance is performed, the maintenance period is long, and wiping is not clean; if the construction skylight point cannot be arranged in time, the equipment cannot normally image due to the continuous accumulation of dust in the viewport.
3. Among the conventional apparatus, the viewport does not have auxiliary heating system, when producing certain difference in temperature inside and outside window glass, because the vapor in the air condenses, will produce the fog film on the glass surface, makes the glass surface become fuzzy, and then causes the optical imaging system of equipment, light path abnormal problems such as output fuzzy formation of image.
Disclosure of Invention
The invention aims to provide a device and a method for cleaning a viewport of a train wheel set, which aim to solve the problem that dust particles on the surface of glass are easy to generate hard friction with the glass when a windscreen wiper in the prior art moves back and forth, so that the glass is easy to scratch.
A train wheelset viewport cleaning device, comprising: the windscreen wiper structure is connected with the window panel through an elastic assembly, and the lens is arranged on the window panel and provided with a dust rain photoelectric sensor;
the windscreen wiper structure comprises a lifting plate, a driving device is arranged in the middle of one side of the lifting plate, which is far away from a window panel, sliding rails are arranged at the top and the bottom of the lifting plate, a gear is arranged at the output end of the driving device, the sliding rails are connected with sliding blocks in a sliding manner, and the sliding blocks are provided with racks meshed with the gear; one side of top slider, bottom slider one side opposite with top slider one side all are equipped with the windscreen wiper, all are equipped with proximity switch at the initial position of windscreen wiper and final position, the position that the window panel corresponds the lifter plate is equipped with the electro-magnet.
Further, elastic component includes guiding axle and spring, the spring housing is established on the guiding axle, guiding axle one end and lifter plate sliding connection, the other end and window panel fixed connection.
Further, the wiper is provided with a slope from top to bottom.
Further, the inclination is 170-175 °.
Furthermore, a water spraying structure is arranged on two sides of the lens and comprises a water spraying valve block, a water inlet is formed in one side of the water spraying valve block, and a nozzle is arranged on the other side of the water spraying valve block.
Further, the lens is provided with a heating wire.
A method for cleaning a viewport of a train wheel set, the method comprising the steps of:
when the dust rain photoelectric sensor senses that rain exists on the lens, the electromagnet is electrified, the lifting plate is attached to the window panel, and meanwhile, the driving device is started to rotate forwards to drive the windscreen wiper to act on the lens;
when the proximity switch senses that the windscreen wiper moves to the end position, the electromagnet loses power, the lifting plate and the window panel are separated from the window panel by the elastic force of the spring, the driving device rotates reversely to enable the windscreen wiper to return to the initial position, when the proximity switch senses that the windscreen wiper returns to the initial position, the electromagnet is powered on, and the driving device rotates positively to drive the windscreen wiper to continue working.
Further, the method further comprises:
the dust rain photoelectric sensor collects the image definition of the lens, sends the image definition to the data processing module, judges whether the lens definition exceeds a preset value, and starts the heater to heat and demist the lens if the lens definition exceeds the preset value;
if the image definition does not exceed the preset value, the image definition is input into a data analysis communication module, whether dust exists on the lens is judged, if yes, a nozzle is started to spray high-pressure glass water, and a wiper is started to clean the lens.
Compared with the prior art, the invention has the following beneficial effects:
(1) The double-rack structure is adopted, the stability and the reliability are realized, one driving device drives two windscreen wipers, and the installation space is saved;
(2) The active cleaning function can avoid the oil stain removal and light reflection phenomena, the wiper can be sensed and controlled in a closed loop manner, the view port can be ensured to be in a cleaning state at any time,
(3) The cleaning speed is high; the windscreen wiper is provided with a micro-strip oblique angle, force is driven from top to bottom, and an automatic lifting system of the windscreen wiper assembly belt can realize a one-way cleaning function and better protect the view port.
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic view of the water spray configuration of the present invention;
FIG. 4 is a schematic view of a lens structure according to the present invention;
FIG. 5 is a schematic view of a wiper according to the present invention;
FIG. 6 is a schematic of the process of the present invention;
in the figure: 1. wiping the wiper; 2. a rack; 3. a gear; 4. wiping the wiper; 5. a dust rain photosensor; 6. a slide rail; 7. a slider; 8. a proximity switch; 9. a spring assembly; 10. a motor; 11. an electromagnet; 12. a lens; 13. a heater; 14. a water spray valve block; 15. a water inlet; 17. a nozzle; 18. a lifting plate; 19. a window panel; 20. and a guide shaft.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
As shown in fig. 1, a train wheel set viewport cleaning device is disclosed, which comprises: a wiper structure connected with the window panel 19 through an elastic component and a lens 12 arranged on the window panel 19;
as shown in fig. 1, the wiper structure includes a lifting plate 18, a driving device is arranged in the middle of one side of the lifting plate 18 away from a window panel 19, sliding rails 6 are arranged at the top and the bottom, a gear 3 is arranged at the output end of the driving device, a sliding block 7 is connected to the sliding rails 6 in a sliding manner, and a rack 2 meshed with the gear 3 is arranged on the sliding block 7; it is noted here that both sliders are provided with racks, which are engaged with the lower end of the gear 3 at the upper end thereof;
one side of the top slider 7 and one side of the bottom slider 7 opposite to the top slider 7 are both provided with a wiper 1, and it should be noted that, as shown in fig. 1, one wiper 1 is provided on the left side (with reference to fig. 1) of the slider 7 disposed at the bottom of the lifting plate 18, another wiper 1 is provided on the right side (with reference to fig. 1) of the slider 7 disposed at the top of the lifting plate 18, and the two wipers 1 respectively correspond to the two lenses 12 on the window panel 19;
the starting position and the ending position of the wiper 1 are both provided with a proximity switch 8, and one of the two proximity switches 8 is used for detecting whether the wiper works in place, and the other one is used for detecting whether the wiper returns to the starting position; the position of the window panel 19, which corresponds to the lifting plate 18, is provided with the electromagnet 11, when the electromagnet 11 is electrified, the lifting plate 18 is attached to the window panel 19, so that a wiper can be attached to the lens 12, and the lens can be cleaned;
in this embodiment, elastic component includes guiding axle 20 and spring 9, spring 9 cover is established on the guiding axle, guiding axle one end and lifter plate 18 sliding connection, the other end and window panel 19 fixed connection, and when electro-magnet 11 circular telegram, lifter plate 18 is adsorbed by electro-magnet 11, and lifter plate 18 extrusion spring 9 removes along the guiding axle, and when electro-magnet 11 outage, lifter plate 18 receives the elasticity and the electro-magnet 11 disconnection of spring 9.
In the embodiment, the wiper 1 is provided with a slope from top to bottom, and the slope is 170-175 degrees; the wiper 1 is provided with an oblique angle from top to bottom, driving force is matched with cleaning liquid, and sewage flows down rapidly under the action of gravity, so that the mechanism can clean the view port in rainy days, the cleaning time is shortened, and the imaging response time of equipment is further shortened;
further described herein is: the wiper has ingenious structural design and high cleaning speed. This kind of windscreen wiper design, the microstrip inclination, including windscreen wiper subassembly area automatic rising system, can realize one-way clearance function, when the windscreen wiper clearance spot, open water spray mechanism, because the design oblique angle has a top-down, the power of ordering about, the cooperation washing liquid, because the action of gravity for sewage is downflow fast, this mechanism satisfies the rainy day and just once can clean the view mouth totally, shortens clearance time, further shortening equipment is to the formation of image, response time.
The average speed of the train running to the monitoring point is 60 km/h-120 km/h, the equipment is powered on and is provided with magnetic steel, the magnetic steel is arranged at a distance of 80m from the check point for triggering, and the speed is calculated according to the fastest speed of 120 km/s.
Time = journey divided by speed: t = s/v
Solving time 0.08km/120km 3600=2.4s
In other words, the time to clean the viewport must be ≦ 2.4s
For the simplicity of the mechanism, the motor is a simple direct current motor, the rotating speed is 40 revolutions per minute =0.67n/s, the gear d is 25, and the width of the viewport is 70mm;
rack speed =0.67n/s 25 pi =52.3cm/s
The time t = s/t =70mm/52.3mm =1.38s was obtained
In conclusion: when the speed of the vehicle is 120km/h, the motor can only support one-time wiping before the equipment is triggered, and the mechanism just meets the function of the mechanism.
In this embodiment, two sides of the lens 12 are provided with water spraying structures, each water spraying structure comprises a water spraying valve block 14, one side of each water spraying valve block 14 is provided with a water inlet 15, the other side of each water spraying valve block is provided with a nozzle 17, and the lens 12 is provided with a dust rainwater photoelectric sensor 5; because the view port is exposed outdoors for a long time, a large amount of dust and greasy dirt are easily produced on the view port, when the dust and rainwater photoelectric sensor 5 detects that a large amount of dust and greasy dirt exist at the position of the lens 12, the water spraying structure is opened, water is pumped, water enters from the water inlet and flows out from the water outlet, water flows out from the opposite linear array pore through the nozzle, as shown in figure 3, high-pressure water is sprayed out to aim at the view port glass for spraying water, and meanwhile, the wiper is opened for one-way top-down secondary cleaning.
The method has the advantages that the dust and rainwater photoelectric sensors can be mounted in the equipment to sense the viewport in real time. The closed-loop cleaning operation of dust and oil stain of the glass viewport is formed, the function of actively sensing and timely cleaning the dust is achieved, and the normal operation of a camera imaging system is ensured.
In this embodiment, lens 12 is equipped with heater strip 13, and when lens 12 glass hazed, heating function was opened to resistance wire defogging device to there is PLC and sensor system to form closed loop control, can guarantee that the viewport all is the clear state constantly.
Example 2
As shown in fig. 5, a method for cleaning a viewport of a train wheelset is disclosed, which comprises the following steps:
when detecting that dust and rainwater exist on the lens 12, the electromagnet 11 is electrified, the lifting plate 18 is attached to the window panel 19, and meanwhile, the driving device is started to rotate positively to drive the wiper to act on the lens 12;
when the proximity switch detects that the wiper moves to the end position, the electromagnet 11 loses power, the lifting plate 18 and the window panel 19 are separated from the window panel 19 under the elastic force of the spring, the driving device rotates reversely to enable the wiper to return to the initial position, and when the proximity switch detects that the wiper returns to the initial position, the electromagnet 11 is electrified, and the driving device rotates forwards to drive the wiper to continue to work.
The method further comprises the following steps: the dust rainwater photoelectric sensor 5 collects the image definition of the lens, sends the image definition to the data processing module, judges whether the lens definition exceeds a preset value, and starts the heater to heat and demist the lens if the lens definition exceeds the preset value;
when the inside and outside difference in temperature of window glass is great, the phenomenon of condensing can appear on the glass surface in vapor in the air, lead to glass surface to form the fog film, cause glass fuzzy, when dust and rainwater photoelectric sensor 5, when detecting the lens is fuzzy, it is specific here to need to explain, the camera gathers the image of lens 12 constantly, send the image to in image and the data processing module, do the comparison with predetermined clear photo, if the definition satisfies predetermined vapor condensation value, with lens attitude feedback to PLC, by PLC start-up control ware, begin to heat, until clear resistance wire.
If the image definition does not exceed the preset value, inputting the image definition into a data analysis communication module, judging whether the lens has dust or not, if so, starting a nozzle to spray high-pressure glass water, starting a wiper and cleaning the lens; open automatic windscreen wiper, open the heating simultaneously, do the clearance to the sight glass outer surface, wait to the heater strip, dry the viewport completely, detect again, see whether clear, if still unclear, open windscreen wiper mechanism once more, clear up again until the formation of image is clear. This has the advantage of ensuring that the view port is always in a clear state.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be considered as the protection scope of the present invention.
Claims (7)
1. A train wheelset viewport cleaning device, comprising: the windscreen wiper comprises a wiper structure connected with a window panel (19) through an elastic assembly and a lens (12) arranged on the window panel (19), wherein the lens (12) is provided with a dust rainwater photoelectric sensor (5);
the windscreen wiper structure comprises a lifting plate (18), a driving device is arranged in the middle of one side, away from a window panel (19), of the lifting plate (18), sliding rails (6) are arranged at the top and the bottom of the lifting plate, a gear (3) is arranged at the output end of the driving device, a sliding block (7) is connected to each sliding rail (6) in a sliding mode, and a rack (2) meshed with the gear (3) is arranged on each sliding block (7); one side of the top sliding block (7) and one side of the bottom sliding block (7) opposite to one side of the top sliding block (7) are provided with a wiper (1), the starting position and the ending position of the wiper (1) are provided with proximity switches (8), and the position of the window panel (19) corresponding to the lifting plate (18) is provided with an electromagnet (11);
elastic component includes guiding axle (20) and spring (9), spring (9) cover is established on guiding axle (20), guiding axle (20) one end and lifter plate (18) sliding connection, the other end and window panel (19) fixed connection.
2. The train wheel set viewport cleaning device as claimed in claim 1, characterized in that the wiper (1) is provided with a slope from top to bottom.
3. The train wheel set viewport cleaning device of claim 2, wherein the slope is 170 ° -175 °.
4. The train wheel set viewport cleaning device as claimed in claim 1, wherein the lens (12) is provided with water spraying structures on both sides, the water spraying structures comprise a water spraying valve block (14), and the water spraying valve block (14) is provided with a water inlet (15) on one side and a nozzle (17) on the other side.
5. Train wheelset viewport cleaning device according to claim 1, characterized in that the lens (12) is provided with heating wires (13).
6. A method comprising the train wheel set viewport cleaning device of any one of claims 1-5, wherein the method comprises the steps of:
when the dust rain photoelectric sensor (5) senses that rain exists on the lens (12), the electromagnet (11) is electrified, the lifting plate (18) is attached to the window panel (19), and meanwhile, the driving device is started to rotate positively to drive the wiper to act on the lens (12);
when proximity switch (8) senses that the wiper moves to the end position, electromagnet (11) loses power, lifting plate (18) and window panel (19) are separated from window panel (19) by spring force, and driving device rotates reversely to enable the wiper to return to the initial position, and when proximity switch (8) senses that the wiper returns to the initial position, electromagnet (11) is powered, and driving device rotates positively to drive the wiper to continue working.
7. The method of cleaning a train wheel set viewport of claim 6, further comprising:
the dust rain photoelectric sensor (5) collects the image definition of the lens, sends the image definition to the data processing module, judges whether the lens definition exceeds a preset value, and starts the heater to heat and demist the lens if the lens definition exceeds the preset value;
if the image definition does not exceed the preset value, the image definition is input into a data analysis communication module, whether dust exists in the lens is judged, if so, a nozzle is started to spray high-pressure glass water, and a wiper is started to clean the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210498386.8A CN114951188B (en) | 2022-05-09 | 2022-05-09 | Device and method for cleaning viewport of train wheel set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210498386.8A CN114951188B (en) | 2022-05-09 | 2022-05-09 | Device and method for cleaning viewport of train wheel set |
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| CN114951188A CN114951188A (en) | 2022-08-30 |
| CN114951188B true CN114951188B (en) | 2023-04-14 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011123242A (en) * | 2009-12-10 | 2011-06-23 | Canon Inc | Pan head device |
| CN204915595U (en) * | 2015-08-22 | 2015-12-30 | 黄艳军 | Novel hidden lift car wiper |
| CN206113966U (en) * | 2016-09-18 | 2017-04-19 | 天津艾思科尔科技有限公司 | But self -cleaning window glass's detecting device |
| CN207000410U (en) * | 2017-07-14 | 2018-02-13 | 无锡科技职业学院 | A kind of vehicle wiper |
| CN109017681A (en) * | 2018-08-13 | 2018-12-18 | 合肥亿会达物流信息科技有限公司 | A kind of glass for vehicle window Wiping device |
| CN109159761A (en) * | 2018-10-30 | 2019-01-08 | 张垚 | Automobile wiper and automobile with the automobile wiper |
| CN110861612B (en) * | 2019-12-03 | 2021-05-25 | 安徽江淮汽车集团股份有限公司 | Windscreen wiper shaft assembly and windscreen wiper |
| CN113616101B (en) * | 2021-07-26 | 2022-06-03 | 安徽大汉机器人集团有限公司 | Window cleaning machine convenient for cleaning stubborn stains |
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