CN217211435U

CN217211435U - Automobile windscreen wiper system experiment table

Info

Publication number: CN217211435U
Application number: CN202221058035.7U
Authority: CN
Inventors: 林龙; 冯贻都; 胡明; 章旭明
Original assignee: Linhai Haoqing Automobile Industry School
Current assignee: Linhai Haoqing Automobile Industry School
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-16
Anticipated expiration: 2032-04-27

Abstract

The utility model provides an automobile windscreen wiper system laboratory bench belongs to vehicle engineering technical field, improves the accuracy of windscreen wiper system test. The automobile wiper system experiment table comprises a rack, wherein the rack comprises an upper rack and a lower rack, and the automobile wiper system experiment table is characterized in that the upper rack is provided with a windshield fixing device, the top of the upper rack is provided with a spraying device, the spraying device comprises a spraying outer cylinder and a spraying inner cylinder, the spraying inner cylinder is rotatably arranged in the spraying outer cylinder, the side wall of the spraying inner cylinder is provided with a water outlet groove along the axial direction of the spraying inner cylinder, one end of the spraying inner cylinder is fixedly provided with a water inlet pipe communicated with the inner cavity of the spraying inner cylinder, and the outer circumferential wall of the spraying outer cylinder is fixedly provided with a plurality of nozzle groups distributed around the circumferential direction of the spraying inner cylinder; the lower rack is fixed with a water collecting tank, the bottom of the water collecting tank is fixed with a variable pressure pump, the variable pressure pump is connected with the water inlet pipe through a water pipe, and the spraying device is connected with a displacement mechanism which can enable the spraying device to move back and forth to the two sides of the rack. The utility model has the advantages of convenient movement and accurate rainfall detection and adjustment.

Description

Automobile windscreen wiper system experiment table

Technical Field

The utility model belongs to the technical field of vehicle engineering, a car windscreen wiper system laboratory bench is related to.

Background

The automobile wiper system is arranged at the front end of an automobile windshield glass, and the main working process of the wiper comprises single-step wiping, intermittent wiping, slow wiping and fast wiping. At present, the windscreen wiper system of the automobile is gradually changed from the prior manual regulation into the rainfall sensing automatic regulation. The rainfall of the rain in nature has different sizes, the raindrops have different density degrees, and the rainfall sensing system needs to accurately sense the rainfall so as to adjust the speed of the windscreen wiper more reasonably. At present, the experimental test of the automobile wiper system mainly sprays water to a windshield through a shower head to simulate the raining of the nature, but the shower head sprays water only to adjust the speed of spraying water, so that the intensity of water drops cannot be reasonably adjusted, the raining of the nature cannot be reasonably simulated, and the accuracy of the test of the wiper system is influenced. In addition, the traditional wiper system experiment table is often fixedly installed in a laboratory and cannot be conveniently carried to a training field room or a classroom for training or teaching.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a car windscreen wiper system laboratory bench, solve the problem that exists among the background art, improve the accuracy of windscreen wiper system test.

The purpose of the utility model can be realized by the following technical proposal: the automobile wiper system experiment table comprises a frame, wherein the frame comprises an upper frame and a lower frame, and the automobile wiper system experiment table is characterized in that a first wind shield fixing rod and a second wind shield fixing rod are fixed on the upper frame, a first windshield fixing device and a second windshield fixing device are arranged on the first windshield fixing rod and the second windshield fixing rod, a wiper is arranged on the upper frame, a spraying device is arranged at the top of the upper frame and comprises a spraying outer cylinder and a spraying inner cylinder, the spraying inner cylinder is rotatably arranged in the spraying outer cylinder, a water outlet groove is formed in the side wall of the spraying inner cylinder along the axial direction of the spraying inner cylinder, one end of the spraying inner cylinder is sealed, the other end of the spraying inner cylinder is fixedly provided with a water inlet pipe communicated with the inner cavity of the spraying inner cylinder, one end of the spraying outer cylinder is sealed, the other end of the spraying outer cylinder is provided with a through hole for the water inlet pipe to penetrate through, a plurality of nozzle groups distributed around the circumferential direction of the spraying outer cylinder are fixed on the outer circumferential wall of the spraying outer cylinder, and the plurality of nozzle groups comprise a first nozzle group, a second nozzle group, a third nozzle group is arranged on the outer cylinder, a third nozzle group, a fourth nozzle group is arranged on the fourth nozzle group, a fourth nozzle group is arranged on a fourth nozzle group, a fourth nozzle group and a fourth nozzle group is arranged on a fourth nozzle group, a fourth nozzle group and a fourth nozzle group, a fourth nozzle group is arranged on a fourth nozzle group, a fourth nozzle group is arranged on, A third nozzle group and a fourth nozzle group, the spray nozzle comprises a fifth nozzle group and a sixth nozzle group, wherein the first nozzle group comprises a plurality of first nozzles which are equidistantly arranged along the axial direction, the first nozzles are provided with first spray holes communicated with the inner cavity of the spray outer barrel, the second nozzle group comprises a plurality of second nozzles which are equidistantly arranged along the axial direction, the second nozzles are provided with second spray holes communicated with the inner cavity of the spray outer barrel, the third nozzle group comprises a plurality of third nozzles which are equidistantly arranged along the axial direction, the third nozzles are provided with third spray holes communicated with the inner cavity of the spray outer barrel, the fourth nozzle group comprises a plurality of fourth nozzles which are equidistantly arranged along the axial direction, the fourth nozzles are provided with fourth spray holes communicated with the inner cavity of the spray outer barrel, the fifth nozzle group comprises a plurality of fifth nozzles which are equidistantly arranged along the axial direction, the fifth nozzle group comprises a plurality of fifth spray holes communicated with the inner cavity of the spray outer barrel, the sixth nozzle group comprises a plurality of sixth nozzles which are equidistantly arranged along the axial direction, and the sixth nozzle is provided with sixth spray holes communicated with the inner cavity of the spray outer barrel; the lower rack is fixed with a water collecting tank, the bottom of the water collecting tank is fixed with a variable pressure pump, the variable pressure pump is connected with the water inlet pipe through a water pipe, and the spraying device is connected with a displacement mechanism which can enable the spraying device to move back and forth to the two sides of the rack.

The windshield fixing device comprises a first sucker and a second sucker which are fixed on a first windshield fixing rod, and a third sucker and a fourth sucker are fixed on the second windshield fixing rod.

The distance between the first nozzles in the first nozzle group is 6-10mm, and the aperture of the first spray hole is 1-1.4 mm; the distance between the second nozzles in the second nozzle group is 20-30mm, and the aperture of the second spray hole is 1-1.4 mm; the distance between the third nozzles in the third nozzle group is 6-10mm, and the aperture of the third spray hole is 0.6-0.8 mm; the distance between the fourth nozzles in the fourth nozzle group is 20-30mm, and the aperture of the fourth spray hole is 0.6-0.8 mm; the distance between the fifth nozzles in the fifth nozzle group is 6-10mm, and the aperture of a fifth spray hole is 0.2-0.4 mm; the distance between the sixth nozzles in the sixth nozzle group is 20-30mm, and the aperture of the sixth spray hole is 0.2-0.4 mm.

The displacement mechanism comprises a linear module, the linear module comprises a guide rail fixed on the upper rack and a sliding block capable of moving back and forth along the guide rail, a fixed sleeve is fixed on the sliding block, and the water inlet pipe is arranged in the fixed sleeve in a penetrating manner and is fixed with the fixed sleeve.

The end part of the spraying outer cylinder is fixed with a rotating handle.

The top of the lower rack is fixed with a panel detection placing plate, and the top of the lower rack is vertically upwards fixed with a water-stop plate.

Universal wheels are fixed on the bottom feet of the lower frame

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses, simulate out the rainfall size of the difference of nature through spray set, including the size of raindrop, the intensive degree of raindrop and the speed of raindrop, create more accurate windscreen wiper experimental condition, improve the accuracy of experiment.

2. The utility model discloses, spray set spun water droplet evenly sprinkles to each position of windshield, solves traditional gondola water faucet mode water spray too concentrated and inhomogeneous problem.

3. The utility model discloses, be fixed with the panel in the lower carriage and detect and place the board, can supply the panel to place, through the various detection terminals that set up on the panel, analog system fault detection is convenient for instruct in fact or teaching.

4. The utility model discloses, the top of lower frame is vertical upwards to be fixed with the water-stop sheet, and the water droplet that prevents the windscreen wiper test splashes into the panel futilely wetly separates.

5. The utility model discloses, have simple structure, remove convenient advantage.

Drawings

Fig. 1 is a schematic view of the axial measurement structure of the present invention.

Fig. 2 is a schematic sectional structural view of the middle spraying device of the present invention.

Fig. 3 is a schematic structural view of the spray outer cylinder of the present invention.

Fig. 4 is a schematic sectional view of the spray outer cylinder of the present invention.

Fig. 5 is a schematic side view of the spray outer cylinder of the present invention.

Fig. 6 is a schematic structural view of the inner spray cylinder of the present invention.

Fig. 7 is a schematic sectional view of the inner spray cylinder of the present invention.

In the figure, 1, an upper frame; 2. a lower frame; 3. a first windshield fixing rod; 4. a second windshield fixing rod; 5. a wiper blade; 6. spraying the outer barrel; 7. spraying the inner cylinder; 7a, a water outlet groove; 8. a water inlet pipe; 9. a first nozzle group; 10. a second nozzle group; 11. a third nozzle group; 12. a fourth nozzle group; 13. a fifth nozzle group; 14. a sixth nozzle group; 15. a first nozzle; 15a, a first nozzle hole; 16. a water collection tank; 17. a variable pressure pump; 18. a first sucker; 19. a second sucking disc; 20. a third sucker; 21. fourthly, sucking discs; 22. a linear module; 22a, a guide rail; 22b, a slider; 23. fixing a sleeve; 24. rotating the handle; 25. a panel detection placing plate; 26. a water-stop sheet; 27. a universal wheel; 28. and a controller.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-7, an experimental bench for automobile wiper system comprises a frame, which comprises an upper frame 1 and a lower frame 2, and is characterized in that a first windshield fixing rod 3 and a second windshield fixing rod 4 are fixed on the upper frame 1, a first windshield fixing device 3 and a second windshield fixing device 4 are arranged on the first windshield fixing rod 3 and the second windshield fixing rod 4, the upper frame 1 is provided with a wiper 5, the top of the upper frame 1 is provided with a spraying device, the spraying device comprises a spraying outer cylinder 6 and a spraying inner cylinder 7, the spraying inner cylinder 7 is rotatably arranged in the spraying outer cylinder 6, the outer wall of the spraying inner cylinder 7 is tightly matched with the inner wall of the spraying outer cylinder 6, the matching gap is excessive matching, general tolerance such as seven-level tolerance can meet the sealed water seepage requirement, the side wall of the spraying inner cylinder 7 is provided with a water outlet groove 7a along the axial direction thereof, the opening of the water outlet groove 7a is arranged downwards, one end of the spraying inner cylinder 7 is closed, the other end is fixed with the inlet tube 8 that communicates the inner chamber of spraying inner tube 7, the one end of spraying outer tube 6 is sealed, the other end has seted up the confession the through-hole that inlet tube 8 wore out, it is fixed with a plurality of nozzle groups around its circumference distribution to spray outer tube 6 outer circumferential wall, a plurality of nozzle groups include first nozzle group 9, second nozzle group 10, third nozzle group 11, fourth nozzle group 12, fifth nozzle group 13 and sixth nozzle group 14, first nozzle group 9 includes a plurality of first nozzles 15 that arrange along axial equidistance, first nozzle 15 has the first orifice 15a that communicates outer tube 6 inner chamber of spraying, second nozzle group 10 includes a plurality of second nozzles that arrange along axial equidistance, the second nozzle has the second orifice that communicates outer tube 6 inner chamber of spraying, third nozzle group 11 includes a plurality of third nozzles that arrange along axial equidistance, the third nozzle has the third orifice that communicates outer tube 6 inner chamber of spraying, the fourth nozzle group 12 comprises a plurality of fourth nozzles which are arranged equidistantly along the axial direction and are provided with fourth spray holes communicated with the inner cavity of the spray outer cylinder 6, the fifth nozzle group 13 comprises a plurality of fifth nozzles which are arranged equidistantly along the axial direction and are provided with fifth spray holes communicated with the inner cavity of the spray outer cylinder 6, and the sixth nozzle group 14 comprises a plurality of sixth nozzles which are arranged equidistantly along the axial direction and are provided with sixth spray holes communicated with the inner cavity of the spray outer cylinder 6; the lower frame 2 is fixed with a water collecting tank 16, the bottom of the water collecting tank 16 is fixed with a variable pressure pump 17, the variable pressure pump 17 is the prior art and can adopt the prior variable frequency pump, the variable pressure pump 17 is connected with a water inlet pipe 8 through a water pipe, and the spraying device is connected with a displacement mechanism which can enable the spraying device to move back and forth to the two sides of the frame, so that the spraying device can move back and forth to the two sides of the windshield.

The windshield fixing device comprises a first suction cup 18 and a second suction cup 19 which are fixed on a first windshield fixing rod 3, and a third suction cup 20 and a fourth suction cup 21 which are fixed on a second windshield fixing rod 4.

The distance between the first nozzles 15 in the first nozzle group 9 is 6-10mm, in this embodiment, 8mm, the aperture of the first spray hole 15a is 1-1.4mm, in this embodiment, 1.2 mm; the distance between the second nozzles in the second nozzle group 10 is 20-30mm, in this embodiment 25mm, the aperture of the second nozzle hole is 1-1.4mm, in this embodiment 1.2 mm; the distance between the third nozzles in the third nozzle group 11 is 6-10mm, in this embodiment, 8mm, the aperture of the third nozzle hole is 0.6-0.8mm, in this embodiment, 0.7 mm; the distance between the fourth nozzles in the fourth nozzle group 12 is 20-30mm, in this embodiment 25mm, the aperture of the fourth nozzle hole is 0.6-0.8mm, in this embodiment 0.7 mm; the distance between the fifth nozzles in the fifth nozzle group 13 is 6-10mm, in this embodiment, 8mm, the aperture of the fifth nozzle hole is 0.2-0.4mm, in this embodiment, 0.3 mm; the spacing between the sixth nozzles in the sixth nozzle group 14 is 20-30mm, in this embodiment 25mm, and the aperture of the sixth nozzle hole is 0.2-0.4mm, in this embodiment 0.3 mm.

The displacement mechanism comprises a linear module 22, the linear module 22 is a product of the prior art, the linear module 22 comprises a guide rail 22a fixed on the upper frame 1 and a slide block 22b capable of moving back and forth along the guide rail 22a, a fixed sleeve 23 is fixed on the slide block 22b, and the water inlet pipe 8 penetrates through the fixed sleeve 23 and is fixed with the fixed sleeve 23.

A rotating handle 24 is fixed at the end of the spraying outer cylinder 6.

The top of the lower rack 2 is fixed with a panel detection placing plate 25, the top of the lower rack 2 is vertically and upwards fixed with a water-stop plate 26, and the water-stop plate 26 is an organic transparent glass plate.

Universal wheels 27 are fixed to the bottom feet of the lower frame 2.

The working principle of the utility model is as follows: the automobile windshield is obliquely fixed on an upper frame 1 through a first suction disc 18, a second suction disc 19, a third suction disc 20 and a fourth suction disc 21, a wiper 5 (a wiper motor is shown in the figure, a wiper rod is not shown) is fixed on the upper frame 1, water is filled in a water collecting tank 16 of a lower frame 2, the water is pumped into a water inlet pipe 8 of a spraying device through a variable pressure pump 17, the water inlet pipe 8 is communicated with a spraying inner cylinder 7, an opening of a water outlet groove 7a formed in the spraying inner cylinder 7 is arranged downwards, a spraying outer cylinder 6 is rotated, any one of a first nozzle group, a second nozzle group, a third nozzle group and a sixth nozzle group is communicated with the opening of the water outlet groove 7a according to needs, spray holes of water outlet nozzles of the spraying inner cylinder are enabled to spray water to a windshield, and natural raindrops are simulated to meet the rainfall induction experiment of a wiper system. The specific principle is that the spraying outer cylinder 6 is provided with six groups of nozzle groups, the hole diameters of the spray holes of the first nozzle group 9 and the second nozzle group 10 are the same and are larger, can spray larger water drops to simulate the large raindrops raining in nature, the arrangement intervals of the nozzles of the first nozzle group 9 and the second nozzle group 10 are different, the first nozzle group 9 and the second nozzle group 10 are switched by rotating the rotating handle 24 of the spraying outer cylinder 6, the rainfall with the same size but different density degrees in the nature is simulated, and the water drops are sprayed to all positions of the windshield by the movement of the linear module 22, so that the problems of over concentration and uneven distribution of the water sprayed by the traditional shower head are solved, and the linear module 22 can adjust the moving speed of the spraying device according to the rainfall requirement, in the utility model, the water pressure is adjusted through the variable pressure pump 17, the speed of spraying water through the spraying holes can be adjusted, and the speed of raindrops impacting a windshield at different wind speeds or vehicle speeds in a natural environment is simulated. Similarly, the orifices of the third nozzle group 11 and the fourth nozzle group 12 have a medium-sized aperture to simulate medium-sized raindrops in the nature, and the orifices of the fifth nozzle group 13 and the sixth nozzle group 14 have a small aperture to simulate small raindrops in the nature, and can be switched by rotating the handle 24 according to experiment needs. In this embodiment, the linear module 22 and the variable pressure pump 17 are connected to a controller 28 through a line, and the controller 28 is disposed on the sidewall of the upper frame 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, the upper frame is used more herein; 2. a lower frame; 3. a first windshield fixing rod; 4. a second windshield fixing rod; 5. a wiper blade; 6. spraying the outer barrel; 7. spraying the inner cylinder; 7a, a water outlet groove; 8. a water inlet pipe; 9. a first nozzle group; 10. a second nozzle group; 11. a third nozzle group; 12. a fourth nozzle group; 13. a fifth nozzle group; 14. a sixth nozzle group; 15. a first nozzle; 15a, a first nozzle hole; 16. a water collection tank; 17. a variable pressure pump; 18. a first sucker; 19. a second sucking disc; 20. a third sucker; 21. fourthly, sucking discs; 22. a linear module; 22a, a guide rail; 22b, a slider; 23. fixing a sleeve; 24. rotating the handle; 25. a panel detection placing plate; 26. a water-stop sheet; 27. a universal wheel; 28. controller, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An automobile wiper system experiment table comprises a frame, the frame comprises an upper frame (1) and a lower frame (2), and the automobile wiper system experiment table is characterized in that a first windshield fixing rod (3) and a second windshield fixing rod (4) are fixed on the upper frame (1), a windshield fixing device is arranged on the first windshield fixing rod (3) and the second windshield fixing rod (4), the upper frame (1) is provided with a windscreen wiper (5), the top of the upper frame (1) is provided with a spraying device, the spraying device comprises a spraying outer cylinder (6) and a spraying inner cylinder (7), the spraying inner cylinder (7) is rotatably arranged in the spraying outer cylinder (6), the side wall of the spraying inner cylinder (7) is provided with a water outlet groove (7a) along the axial direction thereof, one end of the spraying inner cylinder (7) is sealed, the other end of the spraying inner cylinder is fixed with a water inlet pipe (8) communicated with the inner cavity of the spraying inner cylinder (7), one end of the spraying outer cylinder (6) is sealed, the other end is provided with a through hole for the water inlet pipe (8) to penetrate through, the outer circumferential wall of the spraying outer cylinder (6) is fixed with a plurality of nozzle groups distributed around the circumference of the spraying outer cylinder, the plurality of nozzle groups comprise a first nozzle group (9), a second nozzle group (10), a third nozzle group (11), a fourth nozzle group (12), a fifth nozzle group (13) and a sixth nozzle group (14), the first nozzle group (9) comprises a plurality of first nozzles (15) arranged at equal intervals along the axial direction, the first nozzles (15) are provided with first spray holes (15a) communicated with the inner cavity of the spraying outer cylinder (6), the second nozzle group (10) comprises a plurality of second nozzles arranged at equal intervals along the axial direction, the second nozzles are provided with second spray holes communicated with the inner cavity of the spraying outer cylinder (6), the third nozzle group (11) comprises a plurality of third nozzles arranged at equal intervals along the axial direction, and the third nozzles are provided with third spray holes communicated with the inner cavity of the spraying outer cylinder (6), the fourth nozzle group (12) comprises a plurality of fourth nozzles which are equidistantly arranged along the axial direction, the fourth nozzles are provided with fourth spray holes communicated with the inner cavity of the spraying outer cylinder (6), the fifth nozzle group (13) comprises a plurality of fifth nozzles which are equidistantly arranged along the axial direction, the fifth nozzles are provided with fifth spray holes communicated with the inner cavity of the spraying outer cylinder (6), the sixth nozzle group (14) comprises a plurality of sixth nozzles which are equidistantly arranged along the axial direction, and the sixth nozzles are provided with sixth spray holes communicated with the inner cavity of the spraying outer cylinder (6); the water spraying device is characterized in that a water collecting tank (16) is fixed on the lower rack (2), a variable pressure pump (17) is fixed at the bottom of the water collecting tank (16), the variable pressure pump (17) is connected with the water inlet pipe (8) through a water pipe, and the spraying device is connected with a displacement mechanism which can enable the spraying device to move back and forth to the two sides of the rack.

2. The experimental bench for wiper system of car according to claim 1, wherein said windshield fixing device comprises a first suction cup (18) and a second suction cup (19) fixed on a first windshield fixing rod (3), and a third suction cup (20) and a fourth suction cup (21) fixed on a second windshield fixing rod (4).

3. The experimental bench for wiper system of automobile as claimed in claim 1, wherein the first nozzles (15) in the first nozzle group (9) have a pitch of 6-10mm, and the first nozzle holes (15a) have a diameter of 1-1.4 mm; the distance between the second nozzles in the second nozzle group (10) is 20-30mm, and the aperture of the second spray hole is 1-1.4 mm; the distance between the third nozzles in the third nozzle group (11) is 6-10mm, and the aperture of the third spray hole is 0.6-0.8 mm; the distance between the fourth nozzles in the fourth nozzle group (12) is 20-30mm, and the aperture of the fourth spray hole is 0.6-0.8 mm; the distance between the fifth nozzles in the fifth nozzle group (13) is 6-10mm, and the aperture of the fifth spray hole is 0.2-0.4 mm; the spacing of the sixth nozzles in the sixth nozzle group (14) is 20-30mm, and the aperture of the sixth spray hole is 0.2-0.4 mm.

4. The experimental bench of claim 1, wherein the displacement mechanism comprises a linear module (22), the linear module (22) comprises a guide rail (22a) fixed on the upper frame (1), and a slide block (22b) capable of moving back and forth along the guide rail (22a), a fixed sleeve (23) is fixed on the slide block (22b), and the water inlet pipe (8) is inserted into the fixed sleeve (23) and fixed with the fixed sleeve (23).

5. The experimental bench of claim 1, wherein a rotating handle (24) is fixed at the end of the spray outer cylinder (6).

6. The automotive wiper system laboratory bench according to claim 1, wherein a panel inspection placing plate (25) is fixed on the top of the lower frame (2), and a water-stop plate (26) is fixed on the top of the lower frame (2) vertically upward.

7. The automotive wiper system laboratory bench according to claim 1, characterized in that universal wheels (27) are fixed to the bottom feet of said lower frame (2).