Lens structure for sensor

Abstract

The utility model provides a lens structure for a sensor, which comprises a bottom cover, a shell assembly, a sunlight sensor for detecting sunlight through the shell assembly, a lamplight sensor for detecting lamplight through the shell assembly, and a rainfall sensor for detecting rainfall through the shell assembly, a first detection cavity, a second detection cavity and a third detection cavity are defined by the shell assembly and the bottom cover, the sunlight sensor is installed in the first detection cavity, the lamplight sensor is installed in the second detection cavity, and the rainfall sensor is installed in the third detection cavity. According to the utility model, the sensor is convenient to install and debug.

Description

Technical Field

[0001] This utility model relates to the field of automotive sensor technology, and in particular to a lens structure for a sensor. Background Technology

[0002] As vehicles become increasingly intelligent, their rain control, air conditioning system control, and headlight control are all evolving towards automation and intelligence. Different control functions require different sensing modules; currently, rain sensors, sunlight sensors, light sensors, and temperature and humidity sensors are typically installed separately on the vehicle. This increase in sensors complicates installation and debugging, and the large size of each sensor inevitably occupies installation space, creating challenges for vehicle design. Therefore, there is an urgent need to reduce the number of sensors to alleviate the installation and debugging difficulties caused by a large number of sensors. Utility Model Content

[0003] The purpose of this invention is to provide a lens structure for sensors to solve the problem of inconvenient installation and debugging of existing lens structures for sensors.

[0004] To solve the above-mentioned technical problems, this utility model provides a lens structure for a sensor, including a bottom cover, a housing assembly, a sunlight sensor for detecting sunlight through the housing assembly, a light sensor for detecting light through the housing assembly, and a rain sensor for detecting rainfall through the housing assembly. The housing assembly and the bottom cover enclose a first detection cavity, a second detection cavity, and a third detection cavity. The sunlight sensor is installed in the first detection cavity, the light sensor is installed in the second detection cavity, and the rain sensor is installed in the third detection cavity.

[0005] Optionally, the housing assembly includes a transparent housing and an isolation block. The first detection cavity, the second detection cavity, and the third detection cavity are formed by the isolation block separating the space enclosed by the transparent housing and the bottom cover. The isolation block is inserted into the transparent housing.

[0006] Optionally, the transparent housing is provided with a groove, and the isolation block is provided with a slider, the slider being inserted into the groove.

[0007] Optionally, the number of the sliding grooves is two, and the slider part corresponds one-to-one with the sliding groove.

[0008] Optionally, the transparent shell is cylindrical with a structural cavity, one end of which is open.

[0009] Optionally, the three grooves are symmetrically distributed on the inner wall of the transparent housing.

[0010] Optionally, the bottom cover is formed by curing a liquid colloid.

[0011] Optionally, the sunlight sensor includes a sunlight chip and a sunlight lens assembly for receiving sunlight. The sunlight lens assembly and the sunlight chip are installed in the first detection cavity, and the sunlight chip is located in the outgoing light path of the sunlight lens assembly.

[0012] Optionally, the light sensor includes a forward sensor, an upward sensor, and a HUD sensor. The second detection cavity is divided into a first light detection cavity, a second light detection cavity, and a third light detection cavity. The forward sensor is disposed in the first light detection cavity, the upward sensor is disposed in the second light detection cavity, and the HUD sensor is disposed in the third light detection cavity.

[0013] Optionally, the rain sensor includes a receiving lens, a receiving chip, two transmitting chips, and two transmitting lenses. The third detection cavity is divided into a first transmitting cavity, a second transmitting cavity, and a receiving cavity. The transmitting lenses are located in the output optical path of the transmitting chip. The light emitted from the transmitting lens is reflected and enters the receiving lens. The receiving chip is located in the output optical path of the receiving lens. One set of transmitting chips and transmitting lenses is located in the first transmitting cavity, and another set of transmitting chips and transmitting lenses is located in the second transmitting cavity. The receiving lenses and the receiving chip are located in the receiving cavity. The receiving lens and the two transmitting lenses are arranged in an isosceles triangle, and the two transmitting lenses are located at the two ends of the base of the isosceles triangle.

[0014] The sensor lens structure provided by this utility model has the following beneficial effects:

[0015] First, the sensor lens structure integrates a sunlight sensor, a light sensor, and a rain sensor, and sets the sunlight sensor, light sensor, and rain sensor in three detection chambers separated by the housing assembly. While realizing the functions of sunlight detection, light detection, and rain detection, the sensors are more concentrated, which facilitates the installation and debugging of the sensor lens structure.

[0016] Secondly, it can reduce the overall number of sensors and the installation space. Attached Figure Description

[0017] Figure 1 This is an exploded view of the sensor lens structure in an embodiment of this utility model;

[0018] Figure 2 This is a schematic diagram of the sensor lens structure in an embodiment of this utility model.

[0019] Explanation of reference numerals in the attached figures:

[0020] 100-Bottom cover; 200-Housing assembly; 210-First detection chamber; 220-Second detection chamber; 231-First emission chamber; 232-Second emission chamber; 233-Receiver chamber; 240-Transparent housing; 250-Isolation block; 300-Sunlight sensor; 410-Forward sensor; 420-Top sensor; 430-HUD sensor; 510-Receiver lens; 520-Emission lens. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0026] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] refer to Figure 1 and Figure 2 , Figure 1 This is an exploded view of the lens structure for the sensor in an embodiment of this utility model. Figure 2 This is a schematic diagram of the sensor lens structure in an embodiment of the present invention. This embodiment provides a sensor lens structure including a bottom cover 100, a housing assembly, a sunlight sensor 300 for detecting sunlight through the housing assembly, a light sensor for detecting lamp light through the housing assembly, and a rain sensor for detecting rainfall through the housing assembly. The housing assembly and the bottom cover enclose a first detection cavity 210, a second detection cavity 220, and a third detection cavity. The sunlight sensor is installed in the first detection cavity 210, the light sensor is installed in the second detection cavity 220, and the rain sensor is installed in the third detection cavity. Thus, the sensor lens structure integrates the sunlight sensor 300, the light sensor, and the rain sensor, and respectively places them in three detection cavities separated by the housing assembly. This achieves sunlight detection, light detection, and rainfall detection functions while making the sensors more concentrated, thus facilitating the installation and debugging of the sensor lens structure. Furthermore, it reduces the overall number of automotive sensors and the installation space required.

[0028] The housing assembly includes a transparent housing 240 and a spacer block 250. The first detection cavity 210, the second detection cavity 220, and the third detection cavity are formed by the spacer block 250 separating the space enclosed by the transparent housing 240 and the bottom cover 100. The spacer block 250 is inserted into the transparent housing 240. In this way, the transparent housing 240 and the spacer block 250 can be designed as a separate structure, which reduces the requirements for the molds of the transparent housing 240 and the spacer block 250 and facilitates mass production.

[0029] Preferably, the transparent housing 240 is provided with a groove, and the isolation block 250 is provided with a slider, which is inserted into the groove. This prevents the isolation block 250 from interfering with the sunlight sensor 300, the light sensor, and the rain sensor during installation, and facilitates the installation of the isolation block 250 and the transparent housing.

[0030] Preferably, there are two sliding grooves, and the slider part corresponds to the sliding groove part one by one.

[0031] Preferably, the transparent shell 240 is cylindrical with a structural cavity, one end of which is open.

[0032] Preferably, the three grooves are symmetrically distributed on the inner wall of the transparent housing 240.

[0033] The bottom cover 100 is formed by curing a liquid colloid. This improves the sealing performance of the sunlight sensor 300, the light sensor, and the rain sensor, and allows for seamless connection with the housing assembly.

[0034] The sunlight sensor 300 includes a sunlight chip and a sunlight lens assembly for receiving sunlight. The sunlight lens assembly and the sunlight chip are installed in the first detection cavity 210, and the sunlight chip is located in the outgoing light path of the sunlight lens assembly.

[0035] The sunlight lens assembly includes a curved mirror and a light guide column for receiving sunlight. The curved mirror is located in the outgoing light path of the light guide column, and the sunlight chip is located in the outgoing light path of the curved mirror.

[0036] In this embodiment, the curved mirror and the light guide column are integrally formed.

[0037] Furthermore, there are two sunlight sensors 300. The first detection cavity 210 is divided into a first sunlight detection cavity and a second sunlight detection cavity. One sunlight sensor 300 is installed in the first sunlight detection cavity, and the other sunlight sensor 300 is installed in the second sunlight detection cavity. In this way, sunlight from two directions can be detected, which can improve the accuracy of sunlight detection.

[0038] The light sensor includes a forward sensor 410, an upward sensor 420, and a HUD sensor 430. The second detection cavity 220 is divided into a first light detection cavity, a second light detection cavity, and a third light detection cavity. The forward sensor 410 is disposed in the first light detection cavity, the upward sensor 420 is disposed in the second light detection cavity, and the HUD sensor 430 is disposed in the third light detection cavity.

[0039] The forward sensor 410 includes a forward prism and a forward chip. The forward chip is located in the outgoing light path of the forward prism, and the forward prism and the forward chip are located inside the first light detection cavity.

[0040] The upper sensor 420 includes an upper prism and an upper chip. The upper chip is located in the light path emitted by the upper prism, and the upper prism and the upper chip are located inside the second light detection cavity.

[0041] The HUD sensor 430 includes a HUD prism and a HUD chip. The HUD chip is located in the outgoing light path of the HUD prism, and the HUD prism and the HUD chip are located inside the third light detection cavity.

[0042] The rain sensor includes a receiving lens 510, a receiving chip, two transmitting chips, and two transmitting lenses 520. The third detection cavity is divided into a first transmitting cavity 231, a second transmitting cavity 232, and a receiving cavity 233. The transmitting lens 520 is located in the output light path of the transmitting chip. The light emitted from the transmitting lens 520 is reflected and enters the receiving lens 510. The receiving chip is located in the output light path of the receiving lens 510. One set of transmitting chips and transmitting lenses 520 is located in the first transmitting cavity 231, and another set of transmitting chips and transmitting lenses 520 is located in the second transmitting cavity 232. The receiving lens 510 and the receiving chip are located in the receiving cavity 233. The receiving lens 510 and the two transmitting lenses 520 are arranged in an isosceles triangle, with the two transmitting lenses 520 located at the two ends of the base of the isosceles triangle. Using two sets of receiving lenses 510 and receiving chips improves the accuracy of rain detection.

[0043] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. A lens structure for a sensor comprising a bottom cover, characterized by, The shell assembly and the bottom cover enclose a first detection cavity, a second detection cavity and a third detection cavity, the sunlight sensor is installed in the first detection cavity, the light sensor is installed in the second detection cavity, and the rainfall sensor is installed in the third detection cavity.

2. The lens structure for a sensor according to claim 1, wherein The shell assembly includes a transparent shell and a partition block, the first detection cavity, the second detection cavity and the third detection cavity are formed by the partition block separating the space enclosed by the transparent shell and the bottom cover, and the partition block is inserted in the transparent shell.

3. The lens structure for a sensor according to claim 2, wherein The transparent shell is provided with a sliding groove part, and the partition block is provided with a sliding block part, and the sliding block part is inserted in the sliding groove part.

4. The lens structure for a sensor according to claim 3, wherein The number of the sliding groove parts is two, and the sliding block part corresponds to the sliding groove part one by one.

5. The lens structure for a sensor according to claim 4, wherein The transparent shell is in a cylindrical shape with a structure cavity, and one end of the structure cavity is open.

6. The lens structure for a sensor according to claim 5, wherein The three sliding groove parts are symmetrically distributed on the inner wall of the transparent shell.

7. The lens structure for a sensor according to claim 1, wherein The bottom cover is solidified from a liquid colloid.

8. The lens structure for a sensor according to claim 1, wherein The sunlight sensor includes a sunlight chip and a sunlight lens assembly for receiving sunlight, the sunlight lens assembly and the sunlight chip are installed in the first detection cavity, and the sunlight chip is located on the outgoing light path of the sunlight lens assembly.

9. The lens structure for a sensor according to claim 1, wherein The light sensor includes a front sensor, an upper sensor and a HUD sensor, the second detection cavity is divided into a first light detection cavity, a second light detection cavity and a third light detection cavity, the front sensor is arranged in the first light detection cavity, the upper sensor is arranged in the second light detection cavity, and the HUD sensor is arranged in the third light detection cavity.

10. The lens structure for a sensor according to claim 1, wherein The rainfall sensor includes a receiving lens, a receiving chip, two emitting chips and two emitting lenses, the third detection cavity is divided into a first emitting cavity, a second emitting cavity and a receiving cavity, the emitting lens is located on the outgoing light path of the emitting chip, the light emitted by the emitting lens enters the receiving lens after reflection, the receiving chip is located on the outgoing light path of the receiving lens, one group of the emitting chip and the emitting lens is located in the first emitting cavity, another group of the emitting chip and the emitting lens is located in the second emitting cavity, the receiving lens and the receiving chip are located in the receiving cavity, the receiving lens and the two emitting lenses are distributed in an isosceles triangle, and the two emitting lenses are located at the two ends of the base of the isosceles triangle.

Images