CN218966808U

CN218966808U - Automobile rearview mirror embedded with palm vein recognition module

Info

Publication number: CN218966808U
Application number: CN202222954858.4U
Authority: CN
Inventors: 赵国栋; 李学双; 冯波; 曾立兵
Original assignee: Holy Point Century Technology Co ltd
Current assignee: Holy Point Century Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-05
Anticipated expiration: 2032-11-07

Abstract

The utility model provides an automobile rearview mirror embedded with a palm vein recognition module, which relates to the technical field of automobile safety and comprises the following components: the rearview mirror is internally provided with an accommodating space for installing the palm vein recognition module, and the surface of the rearview mirror is buckled and fixed with a lens; the palm vein recognition module penetrates through the bottom of the rearview mirror shell and faces the ground, and the palm vein recognition module is communicated to a controller of an opening structure of an automobile door and used for controlling opening of the automobile door. According to the utility model, palm vein equipment is integrated at the bottom of the shell of the automobile rearview mirror, and the camera faces the ground, so that on one hand, high-brightness light rays such as natural light and the like can be prevented from directly irradiating the palm vein acquisition camera, and on the other hand, dust, rainwater and the like can be prevented from adhering to the surface of the equipment, thereby improving the quality of acquired palm vein images and further improving the success rate of palm vein identification.

Description

Automobile rearview mirror embedded with palm vein recognition module

Technical Field

The utility model relates to the technical field of automobile safety, in particular to an automobile rearview mirror embedded with a palm vein recognition module.

Background

The palm vein recognition technology is to utilize the characteristic that deoxyhemoglobin in venous blood absorbs specific near infrared rays, irradiate the palm through the near infrared rays, take a vein distribution diagram in the palm through an infrared camera with corresponding wavelength, perform pretreatment such as normalization, denoising and the like, then perform filtering enhancement, vein line segmentation, refinement and repair, then extract the characteristics thereof, and further perform identity authentication. Palm vein recognition is a new generation living body identity authentication mode, has high safety and high convenience compared with traditional passwords, IC cards and the like, is widely applied to scenes needing identity authentication, and the application scene is further and continuously expanded.

In the prior art, palm vein equipment is integrated on an automobile to replace a key for unlocking, including unlocking a car door and starting the automobile. When the vehicle is started, the palm vein equipment is mainly arranged on the steering wheel and used for identifying and starting the vehicle. In door unlocking, the palm vein device is generally integrated to the automobile B pillar or the vicinity of the door, for example, the installation mode of the palm vein device is disclosed in the patent number CN208056910U, the automobile B pillar is improved, the palm vein device is installed on the automobile B pillar, and the patent number CN216994233U discloses another installation mode of the palm vein device, namely, the improvement of the automobile door, and the palm vein device is installed beside the door handle. However, in the above two schemes, the camera of the palm vein device faces to the outside, dust is easily adsorbed on the surface of the palm vein device, the palm vein image quality collected by the palm vein device is affected, and then the palm vein recognition rate is affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an automobile rearview mirror embedded with a palm vein recognition module.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: an automobile rearview mirror embedded in a palm vein recognition module, comprising: the rearview mirror is internally provided with an accommodating space for installing the palm vein recognition module, and the surface of the rearview mirror is buckled and fixed with a lens; the palm vein recognition module penetrates through the bottom of the rearview mirror shell and faces the ground, and the palm vein recognition module is communicated to a controller of an opening structure of an automobile door and used for controlling opening of the automobile door.

Preferably, a through groove is formed in the bottom of the shell of the rearview mirror, the palm vein recognition module is embedded in the through groove, and a high-light-transmission hard material is embedded in the bottom end of the through groove and is sealed.

Preferably, near infrared light-transmitting glass is embedded at the bottom end of the through groove.

Preferably, the palm vein recognition module is sealed inside and outside the through groove through sealant.

Preferably, the palm vein recognition module comprises a near infrared light source and a near infrared camera, wherein the near infrared light source is used for emitting near infrared light penetrating through near infrared light-transmitting glass, and the near infrared camera is arranged in a direction facing the through groove and used for collecting palm vein information of a user and comparing the palm vein information with palm vein database information.

Preferably, the palm vein recognition module further comprises a visible light source, wherein the visible light source is used for emitting a visible light beam and indicating that the palm position is correctly placed by a user.

Preferably, the palm vein recognition module further comprises a distance sensor or millimeter wave radar for receiving the distance signal and triggering the palm vein recognition module to work.

Preferably, the palm vein recognition module is connected to a controller of an opening structure of an automobile door through a wire.

Preferably, the rearview mirror is provided with a built-in low-power-consumption Bluetooth BLE module, and the palm vein recognition module is connected to a controller of an opening structure of an automobile door through the low-power-consumption Bluetooth BLE module.

Compared with the prior art, the utility model has the following technical effects: the existing palm vein equipment is used for identity authentication in the field of automobile safety, is generally integrated to an automobile B column or near an automobile door, the palm vein faces to the outside, dust, rainwater and the like are easy to adsorb to the surface of the palm vein equipment, on one hand, the palm vein image quality collected by the palm vein equipment is influenced, and further the palm vein recognition rate is influenced, on the other hand, the automobile door or the automobile B column is required to be improved, and the process cost is high. According to the utility model, the palm vein equipment is integrated at the bottom of the shell of the automobile rearview mirror, and the palm vein equipment faces to the ground, so that on one hand, dirt on the surface of the equipment caused by adsorption of dust, rainwater and the like on the surface of the palm vein equipment can be avoided, and on the other hand, the palm vein acquisition camera can be prevented from being directly irradiated by high-brightness light rays such as natural light and the like, so that the quality of acquired palm vein images is improved, and the success rate of palm vein identification is further improved. In addition, the palm vein equipment is integrated at the bottom of the shell of the automobile rearview mirror, so that the automobile rearview mirror is only required to be improved, an automobile B column or an automobile door is not required to be improved, and the process cost is low.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic structural diagram of the mounting mode of the palm vein collection camera and the rearview mirror in the utility model.

Legend description:

1. a rearview mirror; 2. a lens; 3. a palm vein recognition module; 4. and (5) through grooves.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

Specific examples:

referring to fig. 1-2, an automobile rearview mirror embedded with a palm vein recognition module, comprising: a rearview mirror 1, wherein an accommodating space is arranged in the rearview mirror for installing a palm vein recognition module 3, and a lens 2 is fastened and fixed on the surface of the rearview mirror 1; the palm vein recognition module 3 penetrates through the bottom of the shell of the rearview mirror 1 and faces the ground, and the palm vein recognition module 3 is communicated to a controller of an opening structure of an automobile door and used for controlling opening of the automobile door. According to the utility model, the palm vein recognition module 3 is integrated at the bottom of the shell of the automobile rearview mirror 1, and the palm vein recognition module 3 faces the ground, so that high-brightness light rays such as natural light and the like can be prevented from directly irradiating the palm vein collection camera 3, the palm vein collection process is prevented from being influenced, and equipment dirt caused by dust, rainwater and the like attached to the surface of the palm vein recognition module 3 can be avoided, thereby improving the quality of collected palm vein images and further improving the success rate of palm vein recognition.

In one embodiment, the bottom of the shell of the rearview mirror 1 is provided with a through groove 4, the palm vein recognition module 3 is embedded in the through groove 4, and the bottom end of the through groove 4 is embedded with a high light-transmitting hard material for sealing protection, so that on one hand, the abrasion of the palm vein recognition module 3 is prevented from affecting the quality of acquired images, and on the other hand, dust is prevented from entering the inside of the rearview mirror 1 to affect the quality of acquired palm vein images; near infrared transparent glass is embedded at the bottom end of the through groove 4, so that non-near infrared light in natural light can be filtered to enter the equipment to influence the quality of acquired palm vein images; the palm vein recognition module 3 is sealed inside and outside the through groove 4 through sealant, and the sealant can prevent dust from entering the inside of the rearview mirror 1 and influence the quality of the acquired palm vein images.

In one embodiment, the palmar vein recognition module 3 includes a near infrared light source for emitting near infrared light penetrating through the near infrared transparent glass and a near infrared camera mounted in a direction toward the through slot for collecting palmar vein information of the user in comparison with the palmar vein database information. The palm vein recognition technology is to utilize the characteristic that deoxyhemoglobin in venous blood absorbs specific near infrared rays, irradiate the palm through the near infrared rays, take a vein distribution diagram in the palm through an infrared camera with corresponding wavelength, perform pretreatment such as normalization, denoising and the like, then perform filtering enhancement, vein line segmentation, refinement and repair, then extract the characteristics thereof, and further perform identity authentication. If the acquired palm vein information of the user is matched with the vehicle owner information, the vehicle door is opened, otherwise, if the matching is failed, the vehicle door is not opened.

In one embodiment, the palm vein recognition module 3 further includes a visible light source for emitting a visible light beam, which may be white light, blue light, green light, etc., for indicating to the user that the palm position is properly placed.

In one embodiment, the palm vein recognition module 3 further includes a distance sensor or millimeter wave radar for receiving the distance signal and triggering the palm vein recognition module 3 to operate. When a user is detected, triggering the palm vein recognition module 3 to work; when the distance signal cannot be detected, the palm vein recognition module 3 stops working, so that the equipment can be prevented from being in a working state all the time, the energy consumption is reduced, and the service life of the equipment is prolonged.

In one embodiment, the palm vein recognition module 3 is connected by wiring to a controller of an opening structure of an automobile door.

In one embodiment, the rearview mirror 1 is internally provided with a low-power-consumption Bluetooth BLE module, the palm vein recognition module 3 is connected to a controller of an opening structure of an automobile door through the low-power-consumption Bluetooth BLE module, the opening of the automobile door is controlled through the low-power-consumption Bluetooth BLE module arranged in the rearview mirror 1, the BLE module is interconnected with a Bluetooth receiving module arranged in the controller module, after palm vein recognition comparison matching, the controller controls the opening of the automobile door, the power consumption of the BLE module is lower, the power of 8-10mA5V can be reached, a primary battery is replaced, and the automobile door can continuously work for 1-2 years.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An automobile rearview mirror embedded in a palm vein recognition module, comprising: the rearview mirror comprises a rearview mirror (1), wherein an accommodating space is arranged in the rearview mirror and used for installing a palm vein recognition module (3), and a lens (2) is fastened and fixed on the surface of the rearview mirror (1); the palm vein recognition module (3) penetrates through the bottom of the shell of the rearview mirror (1) and faces the ground, and the palm vein recognition module (3) is communicated to a controller of an opening structure of an automobile door and used for controlling opening of the automobile door.

2. The automobile rearview mirror embedded with the palm vein recognition module according to claim 1, wherein a through groove (4) is formed in the bottom of the shell of the rearview mirror (1), the palm vein recognition module (3) is embedded in the through groove (4), and a high-light-transmittance hard material is embedded at the bottom end of the through groove (4) and is sealed.

3. The automobile rearview mirror embedded with the palm vein recognition module according to claim 2, wherein the bottom end of the through groove (4) is further embedded with near infrared light-transmitting glass.

4. A car rearview mirror embedded with a palm vein recognition module according to claim 3, wherein the palm vein recognition module (3) is sealed by sealant at the inner and outer sides of the through groove (4).

5. The automobile rearview mirror embedded with a palm vein recognition module according to claim 4, wherein the palm vein recognition module (3) comprises a near infrared light source and a near infrared camera, wherein the near infrared light source is used for emitting near infrared light rays penetrating through near infrared light-transmitting glass, and the near infrared camera is installed in a direction towards the through groove (4) and used for collecting palm vein information of a user and comparing the palm vein information with palm vein database information.

6. A car rearview mirror embedded in a palm vein recognition module as claimed in claim 4, wherein the palm vein recognition module (3) further comprises a visible light source for emitting a visible light beam for indicating to a user that the palm position is correctly placed.

7. A rear view mirror for a vehicle embedded in a palm vein recognition module according to claim 4, wherein the palm vein recognition module (3) further comprises a distance sensor or a millimeter wave radar for receiving a distance signal and triggering the palm vein recognition module (3) to operate.

8. An automobile rearview mirror embedded with a palm vein recognition module as claimed in claim 1, wherein: the palm vein recognition module (3) is connected to a controller of an opening structure of an automobile door through a wiring.

9. An automobile rearview mirror embedded with a palm vein recognition module as claimed in claim 1, wherein: the rearview mirror (1) is internally provided with a low-power consumption Bluetooth BLE module, and the palm vein recognition module (3) is connected to a controller of an opening structure of an automobile door through the low-power consumption Bluetooth BLE module.