Sunlight rainfall simulation device for vehicle integration test

Abstract

The invention discloses a sunlight and rainfall simulation device for a whole vehicle integration test, and the device comprises a housing which is provided with a through hole in a first side surface; a first connecting column and a second connecting column which are perpendicular to the first side face of the shell are fixedly connected to the positions, located at the two opposite ends of the through hole, of the inner surface of the first side face of the shell correspondingly, the first connecting column and the second connecting column penetrate through the first end and the second end, opposite to each other, of the mounting piece correspondingly, and a limiting block is fixedly connected to the end of the first connecting column. A first spring is arranged between the limiting block and the mounting piece on the first connecting column; a second spring is arranged between the mounting piece and the first side surface of the shell on the second connecting column; the lamp piece is fixedly arranged on the side face, facing the through hole, of the installation piece and electrically connected with the first switch. The motor is fixed in the shell, an output shaft of the motor is coaxially and fixedly connected with the rotating center of the eccentric wheel, and the circumferential face of the eccentric wheel abuts against the second end of the side face, back to the through hole, of the mounting piece. The second switch is electrically connected with the motor. And the test efficiency of the whole vehicle integration test can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile testing devices, and in particular to a sunlight and rainfall simulation device for whole vehicle integration testing. Background Art

[0002] During vehicle testing, some test items need to be conducted in different environments. Traditional testing methods utilize natural weather conditions to conduct tests under different environmental conditions. However, this method relies heavily on the weather conditions at the test site, and there are situations where the required environmental conditions for the test item may not exist for multiple days. For example, a test item requires no sunshine and heavy rain, but the test site remains rainless for several consecutive days. This results in long testing cycles and low test efficiency. Summary of the Invention

[0003] In order to solve at least one aspect of the above problems, the present invention provides a sunlight and rainfall simulation device for vehicle integration testing, comprising a shell, a mounting plate, a light plate, a first switch, a motor, an eccentric wheel, a second switch, a power supply unit and a fixing member; the shell is a hollow box structure, and a through hole is provided on the first side surface of the shell; at least one first connecting column and at least one second connecting column are provided in the shell, the first connecting column and the second connecting column are both perpendicular to the first side surface of the shell, the first end of the first connecting column and the first end of the second connecting column are respectively fixedly connected to the inner surface of the first side surface of the shell at the opposite ends of the through hole; the second end of the first connecting column is fixedly connected to the limiting block; the size of the mounting plate is larger than the size of the through hole; at least one first connecting hole and at least one second connecting hole are respectively provided at the opposite first and second ends of the mounting plate; the first connecting hole and the first connecting column correspond one-to-one, and the second connecting hole and the second connecting column correspond one-to-one, and the first connecting column and the second connecting column are respectively inserted into the first connecting hole and the second connecting hole; a first spring is sleeved on the first connecting column, the first end of the first spring abuts against the limiting block, and the first end of the first spring The two ends abut against the first side surface of the mounting plate facing away from the through hole; a second spring is sleeved on the second connecting column, the first end of the second spring is connected to the inner surface of the first side surface of the shell, and the second end of the second spring is connected to the second side surface of the mounting plate facing the through hole; the size of the light sheet is smaller than the size of the through hole, the light sheet is fixedly laid on the second side surface of the mounting plate, and the light sheet corresponds to the through hole; the first switch is installed on the outer surface of the shell, the first switch is electrically connected to the light sheet, and is used to control the switch of the light sheet; the motor is fixedly connected in the shell, and the output shaft of the motor is coaxially fixed with the rotation center of the eccentric wheel The circumference of the eccentric wheel abuts against the second end of the first side surface of the mounting piece; when the circumference of the eccentric wheel abuts against the mounting piece at the point where the distance from the rotation center of the eccentric wheel is the largest, the light piece is completely extended from the housing; when the circumference of the eccentric wheel abuts against the mounting piece at the point where the distance from the rotation center of the eccentric wheel is the smallest, the end of the light piece close to the eccentric wheel does not extend from the housing; a second switch is installed on the outer surface of the housing, and the second switch is electrically connected to the motor for controlling the switching of the motor; the power supply unit is electrically connected to the light piece and the motor respectively; a fixing member is installed on the outer surface of the housing for fixing the housing on the glass of the vehicle to be tested.

[0004] Preferably, a protective layer is fixedly laid on the side of the light sheet facing away from the mounting sheet, and the protective layer is made of soft transparent material.

[0005] Preferably, the protective layer is made of silicone grease.

[0006] Preferably, it also includes a PWM motor speed control module, which is fixedly installed in the shell; the second switch is a knob switch, the first input end of the PWM motor speed control module is electrically connected to the second switch, the second input end of the PWM motor speed control module is electrically connected to the power supply unit, and the output end of the PWM motor speed control module is electrically connected to the motor, for controlling the switch and speed of the motor.

[0007] Preferably, the motor is a reduction motor.

[0008] Preferably, a mounting hole is provided on the housing, a cooling fan is fixedly installed in the mounting hole, and the cooling fan is electrically connected to the power supply unit.

[0009] Preferably, a plurality of ventilation holes are provided on the shell.

[0010] Preferably, the power supply unit includes a vehicle-mounted inverter, a transformer and a DC-DC voltage conversion module; the input end of the vehicle-mounted inverter is used to be electrically connected to the vehicle-mounted power socket, and the output end of the vehicle-mounted inverter is electrically connected to the input end of the transformer; the DC-DC voltage conversion module is fixedly installed in the shell, the input end of the DC-DC voltage conversion module is electrically connected to the output end of the transformer, and the first output end and the second output end of the DC-DC voltage conversion module are electrically connected to the lamp and the motor respectively.

[0011] Preferably, the fixing member is a suction cup, at least one suction cup is provided, and the suction cup is fixedly connected to the outer surface of the first side surface of the shell.

[0012] The sunlight and rainfall simulation device for vehicle integration testing of the present invention has the following beneficial effects:

[0013] (1) The device of the present application can be fixed to the sunlight and rain sensor on the outside of the windshield of the vehicle to be tested by means of a suction cup. The light piece is lit by means of a first switch to simulate sunlight and turned off to simulate no sunlight. The motor is turned on by means of a second switch, and the motor drives the eccentric wheel to rotate. When the eccentric wheel rotates to the point where the distance between its circumference and its rotation center is the largest and abuts against the mounting piece, the light piece is completely extended out of the housing and contacts the windshield. The eccentric wheel continues to rotate, and the distance between the circumference of the eccentric wheel abutting against the mounting piece and its rotation center gradually decreases. Under the action of the second spring, the second end of the mounting piece gradually retracts into the housing. When the eccentric wheel rotates to the point where the distance between its circumference and its rotation center is the smallest and abuts against the mounting piece, the end of the light piece close to the eccentric wheel no longer extends out of the housing and contacts the windshield. With each rotation of the eccentric wheel, the end of the light piece close to the eccentric wheel will experience a process of not contacting the windshield, then contacting, and then not contacting again to simulate rain. The motor is turned off by means of the second switch to simulate no rain. The device of the present application has a simple structure, low cost, and is easy to operate. It has a good simulation effect on sunlight and rainfall, which helps to shorten the test cycle of the whole vehicle integration test and improve the test efficiency of the whole vehicle integration test.

[0014] (2) By designing the second switch as a knob switch, the motor's switch and speed are controlled by the knob switch and the PWM motor speed control module to simulate different rainfall amounts, which helps to expand the test scope of the whole vehicle integration test and improve the accuracy of the whole vehicle integration test.

[0015] (3) Laying a protective layer on the light sheet helps protect the light sheet and the windshield, extending the service life of the device of the present application and preventing the windshield of the vehicle to be tested from being scratched during the test.

[0016] (4) By designing the power supply unit as an on-board inverter, transformer and DC-DC voltage conversion module, it is possible to directly obtain stable current from the vehicle under test to power the electrical components in the device of this application.

[0017] (5) By installing a cooling fan and opening ventilation holes on the housing, heat dissipation during use of the device of the present application is facilitated, thereby extending the service life of the device of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] To better understand the above and other objects, features, advantages, and functions of the present invention, reference may be made to the embodiments shown in the accompanying drawings. Like reference numerals in the accompanying drawings refer to like components. Those skilled in the art should understand that the accompanying drawings are intended to schematically illustrate preferred embodiments of the present invention and have no limiting effect on the scope of the present invention. The components in the drawings are not drawn to scale.

[0019] Figure 1 A schematic diagram of a sunlight and rainfall simulation device for vehicle integration testing according to an embodiment of the present invention is shown;

[0020] Figure 2 A schematic diagram of a first operation process of a sunlight and rainfall simulation device for vehicle integration testing according to an embodiment of the present invention is shown;

[0021] Figure 3 A schematic diagram of a second operation process of a sunlight and rainfall simulation device for vehicle integration testing according to an embodiment of the present invention is shown;

[0022] Figure 4 An exploded view of the housing of a sunlight and rainfall simulation device for vehicle integration testing according to an embodiment of the present invention is shown.

[0023] Description of reference numerals:

[0024] 1. Housing; 11. Through hole; 12. Mounting hole; 13. Ventilation hole; 21. First connecting column; 211. Limit block; 212. First spring; 22. Second connecting column; 221. Second spring; 3. Mounting plate; 4. Lamp plate; 41. Protective layer; 51. First switch; 52. Second switch; 61. Motor; 62. Eccentric wheel; 7. PWM motor speed control module; 81. On-board inverter; 82. Transformer; 83. DC-DC voltage conversion module; 9. Suction cup. DETAILED DESCRIPTION

[0025] The following description of exemplary embodiments of the present disclosure is made in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding. These details should be considered as merely exemplary. Therefore, those skilled in the art will recognize that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0026] As used herein, the term "including" and its variations represent open inclusion, i.e., "including but not limited to." Unless otherwise stated, the term "or" means "and / or." The term "based on" means "based at least in part on." The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment." The term "another embodiment" means "at least one additional embodiment." The terms "first," "second," etc. may refer to different or the same objects. Other explicit and implicit definitions may also be included below.

[0027] In order to at least partially solve one or more of the above problems and other potential problems, the embodiments of the present disclosure provide a sunlight and rainfall simulation device for vehicle integration testing, such as Figures 1 to 4As shown, it includes a housing 1, a mounting plate 3, a light plate 4, a first switch 51, a driving component, a second switch 52, a power supply unit and a fixing member.

[0028] The shell 1 is a hollow box structure. Specifically, the shell 1 is a split structure. Figure 4 As shown, the housing 1 includes a mounting box and a cover plate. The mounting box is a box-like structure with an opening on one side. The shape and size of the cover plate match the shape and size of the opening of the mounting box. Multiple claws are fixedly connected to the inner side of the cover plate. The cover plate is connected to the opening of the mounting box via multiple claws, so that the mounting box and the cover plate are combined to form a closed box. A through hole 11 is formed on the first side of the housing 1. The shape of the through hole 11 can be any one of rectangular, circular, and polygonal. In this embodiment, the first side of the housing 1 serves as the bottom surface of the mounting box, and the shape of the through hole 11 is rectangular.

[0029] like Figure 2 and Figure 3 As shown, at least one first connecting column 21 and at least one second connecting column 22 are provided in the shell 1, and the first connecting column 21 and the second connecting column 22 are both perpendicular to the first side surface of the shell 1, and the first end of the first connecting column 21 and the first end of the second connecting column 22 are respectively fixedly connected to the inner surface of the first side surface of the shell 1 at the opposite ends of the through hole 11; the second end of the first connecting column 21 is fixedly connected to the limiting block 211; the size of the mounting plate 3 is larger than the size of the through hole 11; at least one first connecting hole and at least one second connecting hole are respectively opened at the opposite first and second ends of the mounting plate 3; the first connecting hole corresponds to the first connecting column 21 one-to-one, and the second connecting hole corresponds to the second connecting column 22 one-to-one. The column 21 and the second connecting column 22 are respectively inserted into the first connecting hole and the second connecting hole; in this embodiment, two first connecting columns 21 and two second connecting columns 22 are provided, and the first ends of the two first connecting columns 21 are respectively fixedly connected to the two top corners of the first end of the through hole 11 on the inner surface of the first side surface of the shell 1, and the first ends of the two second connecting columns 22 are respectively fixedly connected to the two top corners of the second end of the through hole 11 on the inner surface of the first side surface of the shell 1, and two first connecting holes and two second connecting holes are respectively provided at the opposite first and second ends of the mounting plate 3, and the two first connecting columns 21 and the two second connecting columns 22 are respectively inserted into the two first connecting holes and the two second connecting holes of the mounting plate 3.

[0030] A first spring 212 is sleeved on the first connecting column 21, the first end of the first spring 212 abuts against the limit block 211, and the second end of the first spring 212 abuts against the first side surface of the mounting plate 3 facing away from the through hole 11, and the first spring 212 is in a compressed state or a natural state; a second spring 221 is sleeved on the second connecting column 22, the first end of the second spring 221 is connected to the inner surface of the first side surface of the shell 1, and the second end of the second spring 221 is connected to the second side surface of the mounting plate 3 facing the through hole 11.

[0031] The light sheet 4 is preferably an LED light sheet, the size of the light sheet 4 is smaller than the size of the through hole 11, the light sheet 4 is fixedly laid on the second side surface of the mounting plate 3, and the light sheet 4 corresponds to the through hole 11; the first switch 51 can be selected as a button switch, the first switch 51 is installed on the outer surface of the shell 1, the first switch 51 is electrically connected to the light sheet 4, and is used to control the switch of the light sheet 4, simulating sunlight and no sunlight by lighting and extinguishing the light sheet 4; preferably, a protective layer 41 is fixedly laid on the side of the light sheet 4 facing away from the mounting plate 3, and the protective layer 41 is made of soft transparent material, and more preferably, the protective layer 41 is made of silicone grease.

[0032] The driving assembly is installed in the housing 1 and connected to the mounting plate 3 , and is used to drive the end of the light plate 4 close to the second connecting column 22 to switch between a state of extending from the housing 1 and a state of not extending from the housing 1 . The driving assembly includes a motor 61 and an eccentric wheel 62. The motor 61 is preferably a reduction motor 61. The motor 61 is fixedly connected to the housing 1. The output shaft of the motor 61 is coaxially fixedly connected to the rotation center of the eccentric wheel 62. The circumferential surface of the eccentric wheel 62 abuts the second end of the first side surface of the mounting plate 3; when the circumferential surface of the eccentric wheel 62 abuts the mounting plate 3 at the point where the distance from its rotation center is the largest, the light sheet 4 is fully extended from the housing 1 for contacting the windshield of the vehicle to be tested, and the second spring 221 is in a compressed state; when the circumferential surface of the eccentric wheel 62 abuts the mounting plate 3 at the point where the distance from its rotation center is the smallest, the end of the light sheet 4 close to the eccentric wheel 62 does not extend from the housing 1 for separation from the windshield of the vehicle to be tested. The end of the light sheet 4 close to the eccentric wheel 62 is the end of the light sheet 4 located at the second end of the mounting plate 3, and the second spring 221 is in a compressed state or a natural state. The eccentric wheel 62 rotates to drive the end of the light piece 4 close to the eccentric wheel 62 to separate from the glass, then contact and then separate again to simulate rain.

[0033] The second switch 52 is mounted on the outer surface of the housing 1 and is electrically connected to the motor 61 for controlling the switch of the motor 61. Figure 1As shown, the device of the present application also includes a PWM motor 61 speed control module, which is fixedly installed in the housing 1; the second switch 52 is a knob switch, the first input end of the PWM motor 61 speed control module is electrically connected to the second switch 52, the second input end of the PWM motor 61 speed control module is electrically connected to the power supply unit, and the output end of the PWM motor 61 speed control module is electrically connected to the motor 61, for controlling the switch and speed of the motor 61.

[0034] The power supply unit is electrically connected to the light sheet 4 and the motor 61, and is used to supply power to the light sheet 4 and the motor 61; in a preferred embodiment, Figure 1 As shown, the power supply unit includes a vehicle-mounted inverter 81, a transformer 82 and a DC-DC voltage conversion module 83; the input end of the vehicle-mounted inverter 81 is used to be electrically connected to the vehicle-mounted power socket, and the output end of the vehicle-mounted inverter 81 is electrically connected to the input end of the transformer 82; the DC-DC voltage conversion module 83 is fixedly installed in the shell 1, the input end of the DC-DC voltage conversion module 83 is electrically connected to the output end of the transformer 82, the first output end of the DC-DC voltage conversion module 83 is electrically connected to the lamp panel 4, the second output end of the DC-DC voltage conversion module 83 is electrically connected to the motor 61, and the third output end of the DC-DC voltage conversion module 83 is electrically connected to the second input end of the speed control module of the PWM motor 61.

[0035] A fixing member is mounted on the outer surface of the housing 1 and is used to secure the housing 1 to the windshield of the vehicle to be tested. In one specific embodiment, the fixing member is a suction cup 9, at least one of which is provided, and preferably a plurality of which are provided. The suction cup 9 is fixedly connected to the outer surface of the first side surface of the housing 1, and the housing 1 is fixed to the windshield of the vehicle to be tested by adsorbing the suction cup 9 on the windshield.

[0036] In a preferred embodiment, if Figure 4 As shown, a mounting hole 12 is provided on the shell 1, and a cooling fan is fixedly installed in the mounting hole 12. The cooling fan is electrically connected to the power supply unit. Specifically, the cooling fan is electrically connected to the fourth output end of the DC-DC voltage conversion module 83; preferably, a plurality of evenly distributed ventilation holes 13 are provided on the shell 1.

[0037] While various embodiments of the present disclosure have been described above, the foregoing description is intended to be illustrative, non-exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is selected to best explain the principles of the embodiments, their practical applications, or technological improvements in the marketplace, or to enable others skilled in the art to understand this document.

Claims

1. A sunlight and rainfall simulation device for vehicle integration testing, characterized by: The light source comprises a shell, a mounting plate, a light plate, a first switch, a driving assembly, a second switch, a power supply unit and a fixing member; the shell is a hollow box structure, and a through hole is provided on the first side surface of the shell; a first connecting post and a second connecting post are provided in the shell, both of which are perpendicular to the first side surface of the shell, and the first end of the first connecting post and the first end of the second connecting post are respectively fixed to the inner surface of the first side surface of the shell at the opposite ends of the through hole; the second end of the first connecting post is fixed to the limiting block; the size of the mounting plate is larger than the size of the through hole; the first connecting hole and the second connecting hole are respectively provided at the first end and the second end opposite to each other of the mounting plate, and the first connecting post and the second connecting post are respectively passed through the first connecting hole and the second connecting hole; the first connecting post A first spring is sleeved on the connecting post, a first end of which abuts against the limit block, and a second end of which abuts against the first side surface of the mounting plate facing away from the through hole; a second spring is sleeved on the second connecting post, a first end of which is connected to the inner surface of the first side surface of the shell, and a second end of which is connected to the second side surface of the mounting plate facing the through hole; the size of the light piece is smaller than the size of the through hole, and the light piece is fixedly laid on the second side surface of the mounting plate, which corresponds to the through hole; the first switch is electrically connected to the light piece; the driving assembly is installed in the shell and connected to the mounting plate, and is used to drive the end of the light piece close to the second connecting post to switch between a state of extending from the shell and a state of not extending from the shell; the second switch is electrically connected to the motor; and the power supply unit is electrically connected to the light piece and the driving assembly respectively; The fixing piece is used to fix the housing on the vehicle window.

2. The sunlight and rainfall simulation device for vehicle integration testing according to claim 1, characterized in that: A protective layer is fixedly laid on the side of the light sheet facing away from the installation sheet, and the protective layer is made of soft transparent material.

3. The sunlight and rainfall simulation device for vehicle integration testing according to claim 2, characterized in that: The protective layer is made of silicone grease.

4. The sunlight and rainfall simulation device for vehicle integration testing according to claim 1, characterized in that: The driving assembly includes a motor and an eccentric wheel; the motor is fixed in the shell, and the motor is electrically connected to the second switch; the output shaft of the motor is coaxially fixed to the rotation center of the eccentric wheel, and the circumferential surface of the eccentric wheel abuts against the second end of the first side surface of the mounting plate; when the circumferential surface of the eccentric wheel abuts against the mounting plate at the point where the distance from its rotation center is the largest, the lamp piece is completely extended out of the shell, and when the circumferential surface of the eccentric wheel abuts against the mounting plate at the point where the distance from its rotation center is the smallest, the end of the lamp piece close to the eccentric wheel does not extend out of the shell.

5. The sunlight and rainfall simulation device for vehicle integration testing according to claim 1, characterized in that: It also includes a PWM motor speed control module, which is fixedly installed in the shell; the second switch is a knob switch, the first input end of the PWM motor speed control module is electrically connected to the second switch, the second input end of the PWM motor speed control module is electrically connected to the power supply unit, and the output end of the PWM motor speed control module is electrically connected to the motor, for controlling the switch and speed of the motor.

6. The sunlight and rainfall simulation device for vehicle integration testing according to claim 5, characterized in that: The motor is a reduction motor.

7. The sunlight and rainfall simulation device for vehicle integration testing according to claim 1, characterized in that: The shell is provided with a mounting hole, in which a heat dissipation fan is fixedly mounted, and the heat dissipation fan is electrically connected to the power supply unit.

8. The sunlight and rainfall simulation device for vehicle integration testing according to claim 1, characterized in that: The shell is provided with a plurality of ventilation holes.

9. The sunlight and rainfall simulation device for vehicle integration testing according to claim 1, characterized in that: The power supply unit includes an on-board inverter, a transformer and a DC-DC voltage conversion module; the input end of the on-board inverter is used to be electrically connected to the on-board power socket, and the output end of the on-board inverter is electrically connected to the input end of the transformer; The DC-DC voltage conversion module is fixedly installed in the shell, the input end of the DC-DC voltage conversion module is electrically connected to the output end of the transformer, and the first output end and the second output end of the DC-DC voltage conversion module are electrically connected to the light piece and the motor respectively.

10. The sunlight and rainfall simulation device for vehicle integration testing according to claim 1, characterized in that: The fixing member is a suction cup, at least one of which is provided and fixedly connected to the outer surface of the first side surface of the shell.

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