CN220363330U - Rainfall sensor and car - Google Patents

Abstract

The application provides a rainfall sensor and car, wherein the rainfall sensor includes the control mainboard, is provided with rainfall detection subassembly, sunshine detection subassembly and ambient light detection subassembly on the control mainboard, and rainfall detection subassembly sets up two, and two rainfall detection subassemblies set up relatively, and sunshine detection subassembly and ambient light detection subassembly set up between two rainfall detection subassemblies, and sunshine detection subassembly sets up the first direction side at ambient light detection subassembly. The rainfall, sunlight and ambient light can be detected by arranging the rainfall detection component, the sunlight detection component and the ambient light detection component, so that an automobile applying the rainfall sensor has the functions of automatic windshield wiper, automatic air conditioner, automatic head lamp and brightness adjustment of a head-up display, and the addition of an extra sunlight sensor and an ambient light sensor is avoided, thereby reducing the production and manufacturing cost of the automobile; meanwhile, the integrated functions in the rainfall sensor can be selected and matched, so that different functions can be configured according to different requirements of automobile types by an automobile host factory.

Description

Rainfall sensor and car

Technical Field

The application belongs to the technical field of sensors, and particularly relates to a rainfall sensor and an automobile.

Background

With the continuous development and progress of technology, the intelligent degree of automobiles is also higher and higher, and an automatic windshield wiper control system almost becomes the standard of household automobiles, and a rainfall sensor serving as the core of the automatic windshield wiper system is widely paid attention to host factories of various large automobiles. Meanwhile, the automobile also needs automatic air conditioning, automatic head lamp and automatic brightness adjusting function of a head-up display, but the existing rainfall sensor on the market has single function, can only detect rainfall, and if the use requirement of a user needs to be met, additional sunlight sensor, ambient light sensor and the like are additionally arranged in the automobile, so that the production and manufacturing cost of the automobile is increased, and the economical efficiency is poor.

Accordingly, there is a need for a rain sensor having functions of rain detection, sunlight detection, and ambient light detection.

Disclosure of Invention

Therefore, the technical problem to be solved by the present application is to provide a rain sensor and an automobile, wherein the rain sensor can integrate the functions of rain detection, sunlight detection and ambient light detection into a whole.

In order to solve the above-mentioned problem, this application provides a rainfall sensor in one aspect, including the control mainboard, be provided with rainfall detection subassembly, sunshine detection subassembly and ambient light detection subassembly on the control mainboard, rainfall detection subassembly sets up two, two rainfall detection subassembly sets up relatively, sunshine detection subassembly with ambient light detection subassembly sets up two between the rainfall detection subassembly, sunshine detection subassembly sets up ambient light detection subassembly's first direction side.

Optionally, the rainfall detection component includes a light emitting element and a reflective light receiving element, where the light emitting element is disposed on the first direction side of the reflective light receiving element, the light emitting element is configured to emit a light beam to a surface to be detected, and a distance between the light emitting element and the reflective light receiving element is the same with the surface to be detected.

Optionally, the sunlight detecting component includes a first photosensitive element and a second photosensitive element, the first photosensitive element is disposed on a second direction side of the second photosensitive element, and the second direction is perpendicular to the first direction.

Optionally, the sunlight detecting component further includes a light shielding member, a first opening and a second opening are formed in the light shielding member, the first photosensitive element is disposed in the first opening, and the second photosensitive element is disposed in the second opening.

Optionally, the ambient light detection assembly includes a first light receiving element and a second light receiving element, where the first light receiving element is disposed on the first direction side of the second light receiving element;

the first light receiving element is used for sensing ambient light within an elevation angle A range, wherein A is more than or equal to 20 degrees and less than or equal to 114 degrees;

the second light receiving element is used for sensing the ambient light within the elevation angle B range, and B is more than or equal to 12 degrees and less than or equal to 15 degrees.

Optionally, the ambient light detection assembly further includes a third light receiving element, where the third light receiving element is disposed on a side of the second light receiving element away from the first light receiving element, and the third light receiving element is used for sensing ambient light in an elevation angle C range, where-15 ° is greater than or equal to C and less than or equal to 5 °.

Optionally, the rainfall detection component, the sunlight detection component and the ambient light detection component are adhered to the control main board and are electrically connected with the control main board through connecting wires.

Optionally, the rainfall sensor further comprises a housing, the housing comprises a support plate, the control main board is parallel to and is close to the support plate, and the rainfall detection component, the sunlight detection component and the ambient light detection component are arranged on one side of the control main board relative to the support plate;

the support plate is provided with a first light guide component, a second light guide component and a third light guide component, the first light guide component is arranged on the opposite side of the rainfall detection component, the second light guide component is arranged on the opposite side of the sunlight detection component, and the third light guide component is arranged on the opposite side of the ambient light detection component.

Optionally, the rainfall sensor further comprises a light guide pad, the light guide pad is connected with the supporting plate, and the light guide pad is arranged on one side, away from the control main board, of the supporting plate.

In another aspect of the present application, an automobile is provided, including the rain sensor described above.

Advantageous effects

The embodiment of the utility model provides a rainfall sensor and an automobile, wherein the rainfall sensor can detect rainfall, sunlight and ambient light by arranging a rainfall detection component, a sunlight detection component and an ambient light detection component, so that the automobile using the rainfall sensor has the functions of automatic windshield wiper, automatic air conditioner, automatic head lamp and brightness adjustment of a head-up display, and the extra sunlight sensor and the ambient light sensor are avoided being additionally arranged, thereby reducing the production and manufacturing cost of the automobile and having good economic benefit; meanwhile, the integrated functions in the rainfall sensor can be selected and matched, so that different functions can be configured according to different requirements of automobile main engine factories, and popularization and use are facilitated.

Drawings

FIG. 1 is a schematic diagram of a rain sensor according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a control motherboard according to an embodiment of the present application;

FIG. 3 is a front view of a rain sensor according to an embodiment of the present application;

fig. 4 is an exploded view of a rain sensor according to an embodiment of the present application.

The reference numerals are expressed as:

1. a control main board; 2. a rainfall detection component; 21. a light emitting element; 22. a reflective light receiving element; 3. a sunlight detection assembly; 31. a first photosensitive element; 32. a second photosensitive element; 33. a light shielding member; 4. an ambient light detection assembly; 41. a first light receiving element; 42. a second light receiving element; 43. a third light receiving element; 5. a housing; 51. a support plate; 6. a first light guide member; 7. a second light guide member; 8. a third light guide member; 9. a light guiding pad.

Detailed Description

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1 to 4 in combination, according to an aspect of the embodiment of the present application, there is provided a rainfall sensor, including a control main board 1, on which a rainfall detecting component 2, a sunlight detecting component 3 and an ambient light detecting component 4 are provided, the rainfall detecting component 2 is provided with two, the two rainfall detecting components 2 are oppositely provided, the sunlight detecting component 3 and the ambient light detecting component 4 are provided between the two rainfall detecting components 2, and the sunlight detecting component 3 is provided at a first direction side of the ambient light detecting component 4.

The rainfall, sunlight and ambient light can be detected by arranging the rainfall detection component 2, the sunlight detection component 3 and the ambient light detection component 4, so that an automobile applying the rainfall sensor has the functions of automatic windshield wiper, automatic air conditioner, automatic head lamp and brightness adjustment of a head-up display, and the addition of an extra sunlight sensor and an ambient light sensor is avoided, thereby reducing the production and manufacturing cost of the automobile and having good economic benefit; meanwhile, the integrated functions in the rainfall sensor can be selected and matched, so that different functions can be configured according to different requirements of automobile main engine factories, and popularization and use are facilitated.

Wherein, the rainfall sensor includes control mainboard 1, and control mainboard 1 can be circular circuit board etc. and this application does not do further limit, is provided with rainfall detection subassembly 2, sunshine detection subassembly 3 and ambient light detection subassembly 4 on the control mainboard 1.

Wherein, rainfall detection subassembly 2 sets up two at least, and in this application embodiment, rainfall detection subassembly 2 sets up two, and two rainfall detection subassemblies 2 set up relatively on control mainboard 1, and rainfall detection subassembly 2 is used for detecting the rainwater information of car front windshield to the operating frequency of automatic control wiper, in order to avoid the accumulation of front windshield rainwater to stop the driver to realize, improved the security of driving.

The sunlight detection assembly 3 is arranged between the two rainfall detection assemblies 2, and the sunlight detection assembly 3 is used for detecting sunlight information penetrating through the front windshield of the automobile and entering the interior of the automobile, and automatically controlling the air outlet quantity and the air outlet temperature of the air conditioning system according to the intensity of sunlight so as to enable a driver to be in a comfortable driving environment.

The environment light detection assembly 4 is arranged between the two rainfall detection assemblies 2, the environment light detection assembly 4 is used for detecting environment light information outside the automobile and automatically controlling the opening or closing of the automobile headlamp according to the intensity of the environment light, and meanwhile, the brightness of the head-up display can be automatically controlled according to the intensity of the environment light, so that a driver can clearly observe automobile driving data on the head-up display, and the driving convenience is improved.

Specifically, the sunlight detecting component 3 is disposed at the first direction side of the ambient light detecting component 4, and the central axes of the sunlight detecting component 3 and the ambient light detecting component 4 coincide.

The first direction may be a direction of the vehicle towards the ground, i.e. a vertically downward direction.

The rainfall detection assembly 2 includes a light emitting element 21 and a reflected light receiving element 22, the light emitting element 21 is disposed at a first direction side of the reflected light receiving element 22, the light emitting element 21 is configured to emit a light beam to a surface to be detected, and the light emitting element 21 and the reflected light receiving element 22 are the same distance from the surface to be detected.

The light-emitting element 21 is arranged to emit light beams to the surface to be detected, the reflected light-receiving element 22 is arranged to receive the reflected light beams, and the rainfall information can be judged by the intensity of the reflected light of the rainfall detection assembly 2 so as to adjust the working frequency of the windshield wiper, thereby avoiding the rainwater accumulation of the front windshield of the automobile from blocking the driver, and improving the driving safety.

In the embodiment of the application, the surface to be detected is an automobile front windshield.

The light emitting element 21 may be a light emitting chip, and the light emitting element 21 is connected to the control motherboard 1, and the light emitting element 21 is disposed on a side of the control motherboard 1 near the surface to be detected.

Wherein the light emitting element 21 is arranged towards the surface to be detected for emitting a light beam towards the surface to be detected.

The reflective light receiving element 22 may be a light receiving chip, and the reflective light receiving element 22 is connected to the control motherboard 1, and the reflective light receiving element 22 is disposed on a side of the control motherboard 1 near the surface to be detected.

Wherein the reflected light receiving element 22 is disposed towards the surface to be detected for receiving the reflected light.

Specifically, the distance between the light emitting element 21 and the surface to be detected is the same as the distance between the reflected light receiving element 22 and the surface to be detected. In the embodiment of the application, the working principle of the rainfall detection assembly 2 is the total reflection principle, when the automobile runs on a sunny day, no rainwater exists on the surface to be detected, the light beam emitted by the light emitting element 21 is totally reflected by the surface of the object to be detected, the light beam intensity received by the reflected light receiving element 22 is higher, namely the light signal is stronger, and at the moment, the wiper is closed; when the automobile runs in a rainy day and rainwater exists on the surface to be detected, the light beam emitted by the light emitting element 21 is broken through total reflection on the surface of the object to be detected, the intensity of the light beam received by the reflected light receiving element 22 is weakened, namely, the light signal is weakened, and at the moment, the wiper is started. It will be appreciated that the greater the rain, the greater the degree of weakness of the optical signal and the faster the wiper operating frequency.

The sunlight detecting assembly 3 includes a first photosensitive element 31 and a second photosensitive element 32, the first photosensitive element 31 being disposed on a second direction side of the second photosensitive element 32, the second direction being perpendicular to the first direction.

By arranging the first photosensitive element 31 and the second photosensitive element 32, sunlight in the left front and the right front of the automobile can be respectively sensed, so that air conditioning systems of a main driver and a co-driver can be respectively controlled, energy consumption can be reduced under the condition of automatically controlling the air output quantity and the air output temperature of the air conditioning systems, and good economic benefit is achieved.

The first photosensitive element 31 and the second photosensitive element 32 may be light receiving chips, and the present application is not limited thereto.

The first photosensitive element 31 and the second photosensitive element 32 are connected with the control main board 1, and the first photosensitive element 31 and the second photosensitive element 32 are arranged on one side of the control main board 1 close to the surface to be detected.

Specifically, the first photosensitive element 31 is disposed at a second direction side of the second photosensitive element 32, and the first photosensitive element 31 is configured to sense intensity of sunlight in front of the automobile left, and automatically control air volume and temperature of an air conditioning system driven by the automobile; the second sensing unit is arranged on the opposite side of the first sensing unit and is used for sensing the intensity of sunlight in the right front of the automobile and automatically controlling the air quantity and the temperature of an air conditioning system of the co-driver of the automobile.

The second direction may be a direction of the co-driver facing the main driving direction, and in this embodiment, the second direction is perpendicular to the first direction.

The sunlight detecting assembly 3 further comprises a light shielding member 33, a first opening and a second opening are formed in the light shielding member 33, the first photosensitive element 31 is arranged in the first opening, and the second photosensitive element 32 is arranged in the second opening.

Through seting up first opening and second opening on light-shielding piece 33 to make first photosensitive element 31 set up in first opening, second photosensitive element 32 sets up in the second opening, can avoid ambient light to produce the interference to sunshine detection component 3 work from control mainboard 1 side, improved the stability of sunshine detection component 3 work, improved the degree of accuracy of testing result simultaneously, so that air conditioning system can accurately adjust the temperature of main driving and copilot, improved personnel's travelling comfort in the car.

The light shielding member 33 is disposed on one side of the control main board 1 near the object to be detected, and a first opening and a second opening are formed on the light shielding member 33.

Specifically, the first opening and the second opening may be rectangular or circular, which is not limited in this application, and in this embodiment of the present application, the first opening and the second opening are rectangular, and the first opening and the second opening penetrate through the shielding member along the first direction, so that the first photosensitive element 31 can be disposed in the first opening, and the second photosensitive element 32 can be disposed in the second opening.

Wherein the light shielding member 33 extends in the first direction, the first photosensitive element 31 in the first opening and the second photosensitive element 32 in the second opening can be prevented from being influenced by ambient light. It can be understood that when the intensity of the sunlight sensed by the first photosensitive element 31 increases, the air output of the air conditioning system at the main driving position is controlled to increase, and the air output temperature is controlled to decrease, otherwise, the air output of the air conditioning system at the main driving position is controlled to decrease, and the air output temperature is controlled to increase; the working principle of the second sensing element is the same as that of the first sensing element, and the second sensing element is not described herein.

The ambient light detection assembly 4 includes a first light receiving element 41 and a second light receiving element 42, the first light receiving element 41 being disposed on a first direction side of the second light receiving element 42; the first light receiving element 41 is used for sensing the ambient light within the elevation angle A range, wherein A is more than or equal to 20 degrees and less than or equal to 114 degrees; the second light receiving element 42 is used for sensing the ambient light within the elevation angle B, and B is more than or equal to 12 degrees and less than or equal to 15 degrees.

Through setting up first light receiving element 41 and second light receiving element 42 can respond to the ambient light intensity in place ahead two directions before the car respectively to make the automobile that uses the rainfall sensor can both accurately control opening or closing of automobile headlamp when business turn over garage, bridge opening or tunnel, improved the stability of work.

The first light receiving element 41 is connected to the control main board 1, the first light receiving element 41 is disposed in the middle of the control main board 1, and the first light receiving element 41 may be a light receiving chip that senses wide-angle light.

Specifically, the range of the light-sensing elevation angle of the first light-receiving element 41 is A, and A is more than or equal to 20 degrees and less than or equal to 114 degrees, in the embodiment of the present application, a working threshold is set in the control main board 1, and when the light intensity sensed by the first light-receiving element 41 is less than the working threshold, the headlamp is controlled to be turned on, and otherwise, the headlamp is controlled to be turned off.

The second light receiving element 42 is connected to the control motherboard 1, the second light receiving element 42 is disposed on a first direction side of the first light receiving element 41, centers of the first light receiving element 41, the second light receiving element 42 and the light shielding member 33 are disposed in a collinear manner, and the second light receiving element 42 may be a light receiving chip for sensing horizontal light rays in front of the vehicle.

Specifically, the light-sensing elevation angle range of the second light-receiving element 42 is B, -12 ° or more and B or less than 15 °, in this embodiment, when the light intensity sensed by the second light-receiving element 42 is smaller than the working threshold, the headlight is controlled to be turned on, otherwise, the headlight is controlled to be turned off. It can be understood that the light intensity sensed by any one of the first light receiving element 41 and the second light receiving element 42 is smaller than the working threshold, and the headlamps are controlled to be turned on, so that the ambient light intensities in two directions in front of the automobile can be respectively sensed, and the automobile using the rainfall sensor can accurately control the opening or closing of the headlamps of the automobile when entering and exiting the garage, the bridge opening or the tunnel, thereby improving the working stability.

The ambient light detecting assembly 4 further includes a third light receiving element 43, the third light receiving element 43 is disposed at a side of the second light receiving element 42 away from the first light receiving element 41, and the third light receiving element 43 is used for sensing ambient light within an elevation angle C range, -15 deg. c.ltoreq.5 deg..

Through setting up the ambient light intensity below the preceding horizon of third light receiving element 43 can respond to make the rain sensor can be according to the luminance of the ambient light intensity automatic control head-up display below the preceding horizon of car, can realize that the driver can be clear observe the car data of traveling on the head-up display, improved the convenience of driving.

The third light receiving element 43 is connected to the control motherboard 1, the third light receiving element 43 is disposed on a side of the second light receiving element 42 away from the first light receiving element 41, centers of the first light receiving element 41, the second light receiving element 42 and the third light receiving element 43 are disposed in a collinear manner, and the second light receiving element 42 may be a light receiving chip for sensing light below a front level of the vehicle.

Specifically, the light-sensing elevation angle range of the third light-receiving element 43 is C, -15 degrees or more and C or less than 5 degrees, and in the embodiment of the present application, when the light intensity sensed by the third light-receiving element 43 increases, the brightness of the head-up display is improved; when the intensity of the light sensed by the third light receiving element 43 decreases, the brightness of the head-up display decreases.

The rainfall detection component 2, the sunlight detection component 3 and the ambient light detection component 4 are adhered to the control main board 1 and are electrically connected with the control main board 1 through connecting wires.

The connection lines may be gold wires, etc., and in this embodiment, nine connection lines are provided, two light emitting elements 21 are provided, and two reflective light receiving elements 22 are provided. The light emitting element 21, the reflected light receiving element 22, the first photosensitive element 31, the second photosensitive element 32, the first light receiving element 41, the second light receiving element 42, and the third light receiving element 43 are all connected to the control main board 1 by gold wires.

Specifically, in this application embodiment, rainfall detection subassembly 2, sunshine detection subassembly 3 and ambient light detection subassembly 4 are connected with control mainboard 1 through the gold thread and can reduce rainfall sensor manufacturing cost compared with the encapsulation technique in the prior art, have good economic benefits, are favorable to using widely.

The rainfall sensor further comprises a shell 5, wherein the shell 5 comprises a supporting plate 51, the control main board 1 is parallel to and is arranged close to the supporting plate 51, and the rainfall detection component 2, the sunlight detection component 3 and the ambient light detection component 4 are arranged on one side of the control main board 1 relative to the supporting plate 51; the support plate 51 has a first light guide member 6, a second light guide member 7 and a third light guide member 8 thereon, the first light guide member 6 being disposed on the opposite side of the rainfall detection assembly 2, the second light guide member 7 being disposed on the opposite side of the sunlight detection assembly 3, and the third light guide member 8 being disposed on the opposite side of the ambient light detection assembly 4.

Through setting up shell 5, for rainfall detection subassembly 2, sunshine detection subassembly 3 and ambient light detection subassembly 4 provide stable mounted position, can avoid simultaneously that first leaded light part 6, second leaded light part 7 and third leaded light part 8 receive the pollution of dust, need not frequent clean rainfall sensor, reduced manual labor to rainfall sensor's life has been prolonged.

Wherein, shell 5 can be hollow and the open cylinder in both ends, and rainfall detection subassembly 2, sunshine detection subassembly 3 and ambient light detection subassembly 4 set up in shell 5, and control mainboard 1 is connected with the one end of shell 5.

Wherein the housing 5 includes a support plate 51, the support plate 51 may be circular, the support plate 51 is connected with the housing 5, and the support plate 51 is disposed at opposite sides of the control main board 1 in an axial direction of the housing 5.

The support plate 51 has a first light guide member 6, a second light guide member 7, and a third light guide member 8, where the first light guide member 6 may be a first lens, the second light guide member 7 may be a second lens, and the third light guide member 8 may be a third lens.

Specifically, in the embodiment of the present application, the first light guiding members 6 are elliptical, four first light guiding members 6 are provided, and the four first light guiding members 6 are identical in shape and size. Wherein two first light guide members 6 are respectively disposed on opposite sides of the two light emitting elements 21 for converting light beams emitted from the light emitting elements 21 into parallel light, and the other two first light guide members 6 are respectively disposed on opposite sides of the two reflected light receiving elements 22 for converting the reflected light into parallel light.

Wherein, the second light guiding component 7 and the third light guiding component 8 are all round, and the diameter of the second light guiding component 7 is larger than that of the third light guiding component 8.

Specifically, in the embodiment of the present application, one second light guide member 7 and one third light guide member 8 are provided. The second light guide member 7 is provided on the opposite side of the first photosensitive element 31 and the second photosensitive element 32 for converting the light beam irradiated to the first photosensitive element 31 and the second photosensitive element 32 into parallel light; the third light guide member 8 is provided on the opposite side of the first light receiving element 41, the second light receiving element 42, and the third light receiving element 43, and converts the light beams irradiated to the first light receiving element 41, the second light receiving element 42, and the third light receiving element 43 into parallel light.

The rainfall sensor further comprises a light guide pad 9, wherein the light guide pad 9 is connected with the supporting plate 51, and the light guide pad 9 is arranged on one side of the supporting plate 51 far away from the control main board 1.

By arranging the light guide pad 9 on the side of the support plate 51 away from the control main board 1, the first light guide member 6, the second light guide member 7 and the third light guide member 8 on the support plate 51 can be tightly attached to the surface to be detected, and the light beam propagation loss can be reduced to maximize the efficiency.

The light guiding pad 9 may be made of an optical transparent silica gel material.

Specifically, the light guide pad 9 is adhered to the support plate 51.

In another aspect of the embodiments of the present application, an automobile is provided, including the above-described rainfall sensor.

The embodiment of the utility model provides a rainfall sensor and an automobile, wherein the rainfall sensor can detect rainfall, sunlight and ambient light by arranging a rainfall detection component 2, a sunlight detection component 3 and an ambient light detection component 4, so that the automobile using the rainfall sensor has the functions of automatic windshield wiper, automatic air conditioner, automatic head lamp and brightness adjustment of a head-up display, and the extra sunlight sensor and the extra ambient light sensor are avoided, thereby reducing the production and manufacturing cost of the automobile and having good economic benefit; meanwhile, the integrated functions in the rainfall sensor can be selected and matched, so that different functions can be configured according to different requirements of automobile main engine factories, and popularization and use are facilitated.

It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.

The foregoing description of the preferred embodiment of the present utility model is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model. The foregoing is merely a preferred embodiment of the present application and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the present application.

Claims (7)

1. The rainfall sensor is characterized by comprising a control main board (1), wherein a rainfall detection component (2), a sunlight detection component (3) and an environment light detection component (4) are arranged on the control main board (1), two rainfall detection components (2) are arranged, two rainfall detection components (2) are oppositely arranged, the sunlight detection component (3) and the environment light detection component (4) are arranged between the two rainfall detection components (2), and the sunlight detection component (3) is arranged on a first direction side of the environment light detection component (4);

the rainfall detection assembly (2) comprises a light emitting element (21) and a reflecting light receiving element (22), wherein the light emitting element (21) is arranged on the first direction side of the reflecting light receiving element (22), the light emitting element (21) is used for emitting light beams to a surface to be detected, and the distance between the light emitting element (21) and the reflecting light receiving element (22) from the surface to be detected is the same;

the sunlight detection assembly (3) comprises a first photosensitive element (31) and a second photosensitive element (32), wherein the first photosensitive element (31) is arranged on the second direction side of the second photosensitive element (32), and the second direction is perpendicular to the first direction;

the ambient light detection assembly (4) comprises a first light receiving element (41) and a second light receiving element (42), wherein the first light receiving element (41) is arranged at the first direction side of the second light receiving element (42);

the first light receiving element (41) is used for sensing ambient light within an elevation angle A range, wherein A is more than or equal to 20 degrees and less than or equal to 114 degrees;

the second light receiving element (42) is used for sensing the ambient light within the elevation angle B range, and B is more than or equal to 12 degrees and less than or equal to 15 degrees.

2. The rainfall sensor according to claim 1, characterized in that the sunlight detection assembly (3) further comprises a light shielding member (33), wherein a first opening and a second opening are formed in the light shielding member (33), the first photosensitive element (31) is arranged in the first opening, and the second photosensitive element (32) is arranged in the second opening.

3. The rainfall sensor according to claim 1, characterized in that the ambient light detection assembly (4) further comprises a third light receiving element (43), the third light receiving element (43) is arranged at one side of the second light receiving element (42) away from the first light receiving element (41), the third light receiving element (43) is used for sensing ambient light in an elevation angle C range, -15 ° -C-5 °.

4. The rainfall sensor according to claim 1, characterized in that the rainfall detection assembly (2), the sunlight detection assembly (3) and the ambient light detection assembly (4) are adhered to the control main board (1) and are electrically connected with the control main board (1) through connecting wires.

5. The rainfall sensor according to claim 1, characterized in that it further comprises a housing (5), the housing (5) comprising a support plate (51), the control main plate (1) being arranged parallel and close to the support plate (51), the rainfall detection assembly (2), the sunlight detection assembly (3) and the ambient light detection assembly (4) being arranged on one side of the control main plate (1) with respect to the support plate;

the support plate (51) is provided with a first light guide component (6), a second light guide component (7) and a third light guide component (8), the first light guide component (6) is arranged on the opposite side of the rainfall detection component (2), the second light guide component (7) is arranged on the opposite side of the sunlight detection component (3), and the third light guide component (8) is arranged on the opposite side of the ambient light detection component (4).

6. The rainfall sensor according to claim 5, characterized in that the rainfall sensor further comprises a light guiding pad (9), the light guiding pad (9) is connected with the supporting plate (51), and the light guiding pad (9) is arranged on one side of the supporting plate (51) away from the control main board (1).

7. An automobile comprising the rainfall sensor according to any one of claims 1 to 6.