CN111426624A

CN111426624A - Rain test machine and test method thereof

Info

Publication number: CN111426624A
Application number: CN202010420946.9A
Authority: CN
Inventors: 贾肖肖; 王小平; 李岚
Original assignee: Chongqing Academy of Science and Technology
Current assignee: Chongqing Academy of Science and Technology
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-07-17

Abstract

The invention provides a rain test machine, and particularly relates to a rain test machine. The device comprises a closed experiment cabin, a rain device arranged at the top of the experiment cabin, a goods placing table, a vertical moving device and a transverse moving device, wherein the goods placing table is vertically movably arranged on the vertical moving device, the vertical moving device is transversely movably arranged on the transverse moving device, and the transverse moving device is fixedly arranged at the bottom of the experiment cabin.

Description

Rain test machine and test method thereof

Technical Field

The invention relates to the field of rain test machines, in particular to a rain test machine and a test method thereof.

Background

The rain test device is the grade of IPX3 and IPX4 in an IP protection grade device, is suitable for external illumination and signal devices and protection of automobile lamp shells, and can provide various environments such as water spraying and spraying tests possibly suffered by vivid simulation electronic products and components thereof during transportation and use.

At present, the existing equipment can only carry out fixed rotation detection on a sample, can not move in multiple directions to change various angles or intensities of a rain test, and the limit of a rain position can not meet the harsh test of a natural environment.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a rain test machine and a test method thereof, which solve the problem that the rain test machine in the prior art limits the movement of a sample.

According to the embodiment of the invention, the rain test machine comprises a closed experiment cabin and a storage table, and comprises the closed experiment cabin, the storage table, a vertical moving device and a transverse moving device, wherein the storage table is vertically movably arranged on the vertical moving device, the vertical moving device is transversely movably arranged on the transverse moving device, and the transverse moving device is fixedly arranged at the bottom of the experiment cabin.

According to an embodiment of the present invention, there is also provided a rain test method, including the steps of: placing a test object on the object placing table; opening the rain device; setting a water spraying angle; the object placing table is moved up and down to a testing position; transversely moving the object placing table to a testing position; and setting the test time. Compared with the prior art, the invention has the following beneficial effects: the vertical movement and transverse movement corresponding devices are added to the object placing table, so that the test object can be controlled to move up and down in a rain test, the test object can be controlled to move transversely, the rain angle can be changed at any time, the harsh conditions of the real natural environment are reflected in sequence, and the test result has higher referential property.

Drawings

FIG. 1 is a view showing an internal structure of a rain tester according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a vertical transfer device and a lateral transfer device in accordance with an embodiment of the present invention;

FIG. 3 is a detailed view of a vertical transfer device and a lateral transfer device according to an embodiment of the present invention;

in the above drawings: 1. an experiment cabin; 2. a placing table; 3. a vertical movement device; 31. a cross beam; 32. a vertical rod; 33. a first chain; 34. a first sprocket; 35. a first motor; 36. a first connecting shaft; 4. a traversing device; 41. a cross bar; 42. a second chain; 43. a second sprocket; 44. a second motor; 45. a second connecting shaft; 5. a third motor; 6. a rain device.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1, an embodiment of the present invention provides a rain test machine, which includes a closed experiment chamber 1, a rain device 6 disposed at the top of the experiment chamber 1, a placement table 2, a vertical moving device 3 and a lateral moving device 4, wherein the placement table 2 is vertically movably disposed on the vertical moving device 3, the vertical moving device 3 is laterally movably disposed on the lateral moving device 4, and the lateral moving device 4 is fixedly disposed at the bottom of the experiment chamber 1. According to the invention, the storage table 2 is added with the corresponding devices which vertically move and transversely move, so that the rain angle can be changed at any time in a rain test, the harsh conditions of the real natural environment are reflected in sequence, and the experimental result is more referential.

Further, as shown in fig. 2, in order to make whole mobile device more steady, it includes crossbeam 31 and two montants 32 to erect to move device 3, sideslip device 4 includes two horizontal poles 41, crossbeam 31 both ends are mobilizable respectively to be set up on two montants 32, two montants 32 bottoms are movably respectively to be set up on two horizontal poles 41, two horizontal poles 41 set firmly in experiment room 1 bottom, the supporter sets up on crossbeam 31, the rethread is supported by two pairs of montants 32 and horizontal pole 41 respectively, this setting is for making the more steady vertical migration and the lateral shifting of carrying out of putting thing platform 2.

Further, as shown in fig. 2 and 3, a first chain 33 is further disposed in the vertical rod 32, and two ends of the cross beam 31 are respectively fixedly connected with the two first chains 33; the two ends of the vertical rod 32 are respectively provided with a first chain wheel 34 in transmission connection with the first chain 33, one first chain wheel 34 is connected with a first motor 35, and a first connecting shaft 36 is coaxially arranged between the two first chain wheels 34 at the same end of the two vertical rods 32.

Setting in a similar way: further, as shown in fig. 2 and 3, a second chain 42 is further disposed in the cross bar 41, and the bottom ends of the two vertical bars 32 are respectively fixedly connected with the two second chains 42; two ends of the cross bar 41 are respectively provided with a second chain wheel 43 which is in transmission connection with the first chain 33, one second chain wheel 43 is connected with a second motor 44, and a second connecting shaft 45 is coaxially arranged between the two second chain wheels 43 on the same end of the two cross bars 41; under the driving of the second motor 44, through the transmission of the second connecting shaft 45, the two second chain wheels 43 at one end of the two cross rods 41 rotate synchronously to drive the second chains 42 and cooperate with the second chain wheels 43 at the other end of the two cross rods 41 to move, and at the moment, the two vertical rods 32 fixedly installed on the two second chains 42 can move transversely stably and synchronously.

Further, as shown in fig. 1, the third motor 5 is arranged on the cross beam 31, the object placing table 2 is connected with a transmission shaft of the third motor 5, and the rotation of the object placing table 2 is matched with the vertical motion and the transverse motion, so that the flexible movement of the sample on the disc is realized, the physical and other related performances of the sample are tested under the weather condition of simulating rain, and an unpredictable state in a natural environment is simulated more, so that the efficient, safe and accurate detection is achieved.

A test method of a rain test machine comprises the following steps: placing a test object on an object table; opening the rain device; setting a water spraying angle; the object placing table is moved up and down to a testing position; transversely moving the object placing table to a testing position; setting test time;

the water spray head of the rain device is arranged to be parallel to the horizontal plane, the rotating speed of the object placing table is set to be 0.1r/s to 0.3r/s for respective testing, and the object placing table is moved to the same horizontal plane with the rain device.

And moving the object placing table back and forth transversely, and respectively testing at the moving speed of the transverse moving device of 0.1-1/s.

And (3) moving the object placing table back and forth up and down, and respectively testing the moving speed of the vertical moving device between 0.1 and 1/s.

After the test, whether the performance of the product meets the requirements or not is judged through verification, so that the design, improvement, verification and factory inspection of the product are facilitated, the high requirements and high standards of enterprises are met, and more social benefits are brought.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a rain test machine, includes confined experiment cabin (1) and puts thing platform (2), its characterized in that: the experimental cabin is characterized by further comprising a vertical moving device (3) and a transverse moving device (4), the object placing table (2) can be vertically movably arranged on the vertical moving device (3), the vertical moving device (3) can be transversely movably arranged on the transverse moving device (4), and the transverse moving device (4) is fixedly arranged at the bottom of the experimental cabin (1).

2. A rain test machine according to claim 1, characterized in that: erect and move device (3) and include crossbeam (31) and two montants (32), sideslip device (4) include two horizontal poles (41), mobilizable setting in two respectively in crossbeam (31) both ends on montant (32), two montant (32) bottom is movably set up in two respectively on horizontal pole (41), two horizontal poles (41) set firmly experiment cabin (1) bottom.

3. A rain tester as claimed in claim 2, wherein: a first chain (33) is further arranged in the vertical rod (32), and two ends of the cross beam (31) are respectively fixedly connected with the two first chains (33); the chain wheel is characterized in that two ends of the vertical rod (32) are respectively provided with a first chain wheel (34) in transmission connection with the first chain (33), one of the first chain wheels (34) is connected with a first motor (35), and the two chain wheels are arranged at the same end of the vertical rod (32) and are coaxially provided with a first connecting shaft (36) between the first chain wheels (34).

4. A rain test machine according to claim 3, characterized in that: a second chain (42) is further arranged in the cross rod (41), and the bottom ends of the two vertical rods (32) are respectively and fixedly connected with the two second chains (42); the two ends of the cross rod (41) are respectively provided with a second chain wheel (43) in transmission connection with the first chain (33), one of the second chain wheels (43) is connected with a second motor (44), and a second connecting shaft (45) is coaxially arranged between the two second chain wheels (43) at the same end of the cross rod (41).

5. A rain test machine according to any one of claims 2 to 4, wherein: the beam (31) is provided with a third motor (5), and the object placing table (2) is connected with a transmission shaft of the third motor (5).

6. A rain test method, based on any one of claims 1 to 5, characterized in that the rain test machine and the rain device arranged in the rain test machine comprise the following steps:

placing a test object on the object placing table;

opening the rain device;

setting a water spraying angle;

the object placing table is moved up and down to a testing position;

transversely moving the object placing table to a testing position;

and setting the test time.

7. An assay method according to claim 6, wherein: the arrangement of the sprinkler head of the rain device is parallel to the horizontal plane, the arrangement of the object placing table is used for testing at the rotating speed of 0.1 r/s-0.3 r/s respectively, and the object placing table is moved to the same horizontal plane with the rain device.

8. A rain test method as claimed in claim 7, wherein: and moving the object placing table back and forth transversely, and respectively testing at the moving speed of the transverse moving device of 0.1-1/s.

9. A rain test method as claimed in claim 6, wherein: and (3) moving the object placing table back and forth up and down, and respectively testing the moving speed of the vertical moving device between 0.1 and 1/s.