CN210867879U - Face identification module and intelligent lock - Google Patents

Abstract

The utility model relates to a face identification module and intelligent lock. The face identification module includes front end and rear end, the front end includes two camera modules, the rear end includes the mainboard, two camera modules pass through the winding displacement with the mainboard connection, the mainboard is including the little the control unit who is used for face identification's main chip and is used for door lock control, the main chip with little the control unit connection. In the embodiment of the disclosure, the double-camera module and the main board are separately arranged in the front end and the rear end, so that the face recognition module can be thinner and narrower, and the industrial design and the structural design of products such as an intelligent door lock and the like are facilitated; the main chip for face recognition and the micro control unit for door lock control are integrated on the same main board, so that the space can be saved, and the hardware cost can be reduced.

Description

Face identification module and intelligent lock

Technical Field

The utility model relates to a face identification technical field especially relates to a face identification module and intelligent lock.

Background

At present, the face recognition technology is widely applied to various application scenes, and an intelligent door lock is one of the application scenes. The face unlocking can realize the complete contactless unlocking experience for the user. The structure of the face recognition module directly influences the design of the intelligent door lock. How to provide a face identification module to satisfy the demand of application scenarios such as intelligent lock is the problem that awaits a diligent solution.

SUMMERY OF THE UTILITY MODEL

The utility model provides a face identification module and intelligent lock.

According to an aspect of the present disclosure, a face identification module is provided, including front end and rear end, the front end includes two camera modules, the rear end includes the mainboard, two camera modules pass through the winding displacement with the mainboard connection, the mainboard is including the main chip that is used for face identification and the little the control unit that is used for door lock control, the main chip with little the control unit connection.

In the embodiment of the disclosure, the double-camera module and the main board are separately arranged at the front end and the rear end, so that the face recognition module can be thinner and narrower, and the industrial design and the structural design of products such as an intelligent door lock and the like are facilitated; the main chip for face recognition and the micro control unit for door lock control are integrated on the same main board, so that the space can be saved, and the hardware cost can be reduced.

In a possible implementation manner, the main board further includes an expansion interface, and the expansion interface is used for being connected with at least one of an RGB camera, a Wi-Fi module, a fingerprint module, a display screen, a microphone, a speaker, a pyroelectric infrared sensor, a key module, and an indicator light.

In the implementation mode, the expansion interface is reserved on the mainboard, so that the customization and expansion of functions can be conveniently carried out by a user.

In a possible implementation manner, the front end further includes a light supplement lamp module, and the light supplement lamp module is connected to the main board through the flat cable.

In this implementation, through adopting the light filling lamp module, make from this the face identification module still can normally work under no light environment or complicated illumination environment.

In a possible implementation manner, the first substrate of the dual-camera module is independent of the second substrate of the light supplement lamp module.

In this implementation, but two camera modules and light filling lamp module independent dismouting to can conveniently change two camera modules or light filling lamp module alone.

In a possible implementation manner, the front end further includes a housing, the housing includes a first housing and a second housing detachably connected, and after the first housing and the second housing are connected, the dual-camera module and the light supplement lamp module are fixedly wrapped between the first housing and the second housing.

In this implementation, but the shell, two camera modules and the independent dismouting of light filling lamp module triplex of front end, promptly, shell, two camera modules and light filling lamp module triplex can be replaced alone, can make things convenient for structure modification and maintenance from this.

In a possible implementation manner, the winding displacement includes the power supply line of two camera modules the power supply line, signal line and the control line of light filling lamp module, the power supply line of two camera modules respectively with two camera modules with mainboard connection, the power supply line of light filling lamp module respectively with light filling lamp module with mainboard connection, the signal line respectively with two camera modules with mainboard connection, the control line respectively with two camera modules with mainboard connection.

Based on the implementation mode, the main board can obtain signals of the double-camera module, for example, the main board can obtain images collected by the double-camera module; the mainboard can be controlled two camera modules, for example, the mainboard can control two camera modules and carry out image acquisition.

In a possible implementation manner, the flat cable includes a first flat cable and a second flat cable, the power supply line of the dual-camera module, the signal line and the control line are integrated in the first flat cable, and the power supply line of the light supplement lamp module is disposed in the second flat cable.

In this implementation, the power supply line through with the light filling lamp module independently comes out, can make the whole of the change of the power supply line of light filling lamp module and light filling lamp module not influence face identification module from this.

In one possible implementation, the motherboard includes an advanced reduced instruction set machine (ARM) processor, and a Digital Signal Processor (DSP) coupled to the ARM processor.

In this implementation, the processing speed can be increased by employing an ARM processor and a DSP.

In a possible implementation manner, a silicone gasket is arranged between the first substrate and the second substrate, and the second substrate is coated with heat-conducting silicone grease.

In this implementation, the silicone gasket may be used to support the second substrate; after the first shell and the second shell of the shell are jointed, the heat-conducting silicone grease coated on the second substrate is tightly attached to the first shell, so that the heat dissipation effect can be achieved.

According to an aspect of this disclosure, an intelligence lock is provided, including above-mentioned face identification module.

Because the thickness and the width of intelligence lock have the restriction, consequently, be unsuitable for installing face identification module thicker or wider. The thickness and the width of the face recognition module provided by the embodiment of the disclosure are smaller, and the face recognition module is easier to integrate in products with higher requirements on industrial design, such as an intelligent door lock.

In the embodiment of the disclosure, the double-camera module and the main board are separately arranged at the front end and the rear end, so that the face recognition module can be thinner and narrower, and the industrial design and the structural design of products such as an intelligent door lock and the like are facilitated; the main chip for face recognition and the micro control unit for door lock control are integrated on the same main board, so that the space can be saved, and the hardware cost can be reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure.

Fig. 1 shows a schematic diagram of a face recognition module provided in an embodiment of the present disclosure.

Fig. 2 is a schematic diagram illustrating a partial structure of a face recognition module according to an embodiment of the present disclosure.

Fig. 3 shows a schematic view of a side view and a front view of a door.

Detailed Description

Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the term "at least one" herein means any one of a plurality or any combination of at least two of a plurality, for example, including at least one of A, B, C, and may mean including any one or more elements selected from the group consisting of A, B and C.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.

Fig. 1 shows a schematic diagram of a face recognition module provided in an embodiment of the present disclosure. As shown in fig. 1, the face recognition module includes front end 100 and rear end 200, front end 100 includes two camera modules, rear end 200 includes the mainboard, two camera modules pass through winding displacement 300 with the mainboard connection, the mainboard is including the main chip that is used for face recognition and the little the control Unit (MicroController Unit, MCU) that is used for door lock control, the main chip with little the control Unit is connected. Wherein the micro control unit may be used to control the door lock to open or close.

In the embodiment of the present disclosure, since the face recognition module includes a dual-camera module, the face recognition module can realize 3D (3Dimensions, three-dimensional) face recognition.

In this disclosed embodiment, through separately setting up two camera modules and mainboard in front end 100 and rear end 200, make face identification module thinner narrower from this, make things convenient for industrial design and the structural design of products such as intelligent lock. In the embodiment of the disclosure, the main chip for face recognition and the micro control unit for door lock control are integrated on the same main board, so that not only can the space be saved, but also the hardware cost can be reduced.

In a possible implementation manner, the main board further includes an expansion interface, and the expansion interface is used for being connected with at least one of an RGB (Red, Green, Blue) camera, a Wi-Fi module, a fingerprint module, a display screen, a microphone, a speaker, a pyroelectric infrared sensor, a key module, and an indicator light.

In the implementation mode, the expansion interface is reserved on the mainboard, so that the customization and expansion of functions can be conveniently carried out by a user.

In a possible implementation manner, the front end further includes a light supplement lamp module, and the light supplement lamp module is connected to the main board through the flat cable.

In this implementation, through adopting the light filling lamp module, make from this the face identification module still can normally work under no light environment or complicated illumination environment.

In a possible implementation manner, the first substrate of the dual-camera module is independent of the second substrate of the light supplement lamp module. In this implementation, but two camera modules and light filling lamp module independent dismouting to can conveniently change two camera modules or light filling lamp module alone.

In a possible implementation manner, the front end 100 further includes a housing, the housing includes a first housing and a second housing that are detachably connected, and after the first housing and the second housing are connected, the dual-camera module and the light supplement lamp module are fixedly wrapped between the first housing and the second housing.

As an example of this implementation, the housing has a heat dissipation function.

As an example of this implementation, the first housing may be a bracket.

As an example of this implementation, the first housing may be made of an aluminum sheet.

As an example of this implementation, the surface of the first housing may be subjected to an oxidation treatment.

As an example of this implementation, the second housing may be a platen.

As an example of this implementation, the second housing may be made of stainless steel sheet.

In this implementation, but the shell, two camera modules and the independent dismouting of light filling lamp module triplex of front end 100, promptly, shell, two camera modules and light filling lamp module triplex can be replaced alone, can make things convenient for structure modification and maintenance from this.

In a possible implementation manner, the flat cable 300 includes the power supply line of the two camera modules, the power supply line, the signal line and the control line of the light filling lamp module, the power supply line of the two camera modules respectively with the two camera modules with the mainboard connection, the power supply line of the light filling lamp module respectively with the light filling lamp module with the mainboard connection, the signal line respectively with the two camera modules with the mainboard connection, the control line respectively with the two camera modules with the mainboard connection. Based on the implementation mode, the main board can obtain signals of the double-camera module, for example, the main board can obtain images collected by the double-camera module; the mainboard can be controlled two camera modules, for example, the mainboard can control two camera modules and carry out image acquisition.

In a possible implementation manner, the flat cable 300 includes a first flat cable 301 and a second flat cable 302, the power supply lines of the dual-camera module, the signal lines and the control lines are integrated in the first flat cable 301, and the power supply lines of the light supplement lamp module are disposed in the second flat cable 302. In this implementation, the power supply line through with the light filling lamp module independently comes out, can make the whole of the change of the power supply line of light filling lamp module and light filling lamp module not influence face identification module from this.

In another possible implementation manner, the power supply line of the dual-camera module, the power supply line of the light supplement lamp module, the signal line and the control line are integrated in the same flat cable.

In the embodiments of the present disclosure, the main board may be integrated with a main chip, and the main chip may be used for control, calculation, and signal processing. The main chip may be implemented by a dedicated hardware circuit, or may be implemented by general processing hardware (e.g., a CPU, a single chip, a field programmable logic device FPGA, etc.) in combination with an executable logic instruction to execute a working process of the main chip, where the executable logic instruction may be implemented based on the prior art. The utility model discloses do not limit to the concrete implementation of main chip. For example, the main Chip may be an SoC (System on Chip) Chip formed by an ARM (Advanced RISC Machines) Processor and a DSP (Digital Signal Processor). That is, in one possible implementation, the motherboard may include an ARM processor, and a DSP connected to the ARM processor. The DSP can play a role in accelerating operation. By adopting the ARM processor and the DSP, the processing speed can be improved.

In a possible implementation manner, the main board further includes an interface, and the interface may be used to connect the flat cable. For example, the interface may include an I2C bus interface or the like.

In a possible implementation manner, a socket can be arranged on the first substrate of the dual-camera module, and the interface of the second substrate of the light supplement lamp module can be buckled on the socket of the first substrate.

In a possible implementation manner, a silica gel gasket is arranged between the first substrate and the second substrate. In this implementation, the silicone gasket may be used to support the second substrate.

In a possible implementation manner, the light supplement lamp module is arranged between two cameras of the dual-camera module. In this implementation, through setting up the light filling lamp module between two cameras of two camera modules, illumination intensity when can making two cameras gather the image is close.

In one possible implementation, the second substrate is coated with a thermally conductive silicone grease. In this implementation, after the first shell and the second shell of the housing are joined, the heat conductive silicone grease coated on the second substrate is tightly attached to the first shell, thereby playing a role of heat dissipation.

In a possible implementation manner, the Light supplement lamp of the Light supplement lamp module may be an LED (Light emitting diode) lamp.

In one possible implementation, the light supplement lamp module comprises an infrared floodlight. As an example of this implementation, the infrared floodlight may be an active infrared floodlight. Through adopting infrared floodlight, make face identification module still can realize face identification under complex illumination environment such as corridor, night from this.

In one possible implementation, the two cameras of the dual-camera module are both infrared cameras. By adopting the infrared camera, the complex illumination environment can be dealt with.

In one possible implementation, the distance between the two cameras of the dual-camera module is fixed. As an example of this implementation, the minimum distance between the optical axes of the two cameras of the dual-camera module may be 17mm, and the embodiment of the present disclosure does not limit the maximum distance between the optical axes of the two cameras of the dual-camera module, and a person skilled in the art may design the distance according to an actual product structure.

In one possible implementation, the dual camera module is a substrate-shared dual camera module. This implementation mode is through placing two cameras on same base plate, and the relative position between two cameras is fixed, can guarantee the precision from this.

In another possible implementation manner, the two camera modules are common-bracket two camera modules.

In a possible implementation manner, a memory is disposed on the first substrate of the dual-camera module, and the memory is connected to the motherboard. In this implementation, the memory may be configured to store calibration information of the dual-camera module. As an example of this implementation, the Memory may be an EEPROM (electrically erasable Programmable Read Only Memory). Of course, the memory may be other types of memory, and those skilled in the art may select the memory according to the requirements of the actual application scenario. As an example of this implementation, the memory may be connected to the motherboard via an I2C bus.

In a possible implementation manner, the signal line is further connected with the light supplement lamp module, and the control line is further connected with the light supplement lamp module. Based on this implementation, the mainboard can obtain the signal of light filling lamp module (for example whether open the light filling lamp), and the mainboard can control the light filling lamp module (for example control the light filling lamp and open or close).

In one possible implementation, the motherboard is a PCBA (Printed Circuit Board Assembly) Board.

In one possible implementation, the front end 100 has a hole structure for fixing. For example, hole structures for fixing may be reserved at the left and right ends of the front end 100, and the hole structures may be screw holes, for example.

In one possible implementation, the shape of the rear end 200 may be a square, a rectangle, a circle, an irregular figure, or the like, and is not limited herein.

In one possible implementation, the rear end 200 has a hole structure for fixing. For example, hole structures for fixing may be reserved at the upper left end, the upper right end, the lower left end, and the lower right end of the rear end 200. For example, the hole structure may be a screw hole.

In one possible implementation, the back end 200 may have an interface for interfacing with the front end 100 to perform computing and control functions.

In a possible implementation manner, the face recognition module can realize functions of face entry, face detection, face verification, living body detection and the like.

The face recognition module that this disclosed embodiment provided's subassembly is independent, and convenient dismantlement, renewal and maintenance need not to change whole face recognition module when certain subassembly breaks down, can save the cost. The face recognition module that this disclosed embodiment provided's structure is nimble, consequently adopts this face recognition module can carry out industrial design to products such as intelligent lock in a flexible way. In addition, the face recognition module provided by the embodiment of the disclosure integrates the main chip for face recognition and the micro control unit for door lock control on the same main board, so that the space can be saved, and the hardware cost can be reduced.

Fig. 2 is a schematic diagram illustrating a partial structure of a face recognition module according to an embodiment of the present disclosure. The front end 100 of the face recognition module may include a first housing 101, a light supplement lamp module 102, a silica gel gasket 103, a dual-camera module 104, and a second housing 105. The first casing 101 may be a bracket made of an aluminum sheet, and a surface of the first casing 101 may be subjected to oxidation treatment. The second substrate of the fill-in lamp module 102 may be coated with a heat conductive silicone grease, for example, the heat conductive silicone grease may be coated on a shadow area of the second substrate in fig. 2. A silica gel gasket 103 may be disposed between the first substrate of the dual-camera module 104 and the second substrate of the light supplement lamp module 102 to support the second substrate. The second housing 105 may be a press plate made of stainless steel sheet. The power supply line (i.e., the LED lamp panel power line in fig. 2) of the light supplement lamp module 102 may be welded on the second substrate, and the insulating glue may be applied after welding. In the example shown in fig. 2, the flat cable 300 may include a first flat cable 301 and a second flat cable 302.

The embodiment of the present disclosure further provides an intelligent door lock, and the intelligent door lock includes the face recognition module.

The intelligent lock that this disclosed embodiment provided can be applied to in the intelligent door.

Fig. 3 shows a schematic view of a side view and a front view of a door. The intelligent door lock can be installed on the door at a position about 1.1 m away from the ground. In order to make the camera of face identification module can cover people's normal height, the camera needs installation up usually, promptly, the main optical axis and the horizontal direction of camera are nonparallel usually, for example, can reserve an inclined plane on intelligent lock and be used for fixed face identification module. Fig. 3 shows a schematic view of the installation position of the face recognition module. As shown in fig. 3, since there are limitations on the thickness and width of the intelligent door lock, it is not suitable for installing a face recognition module that is thick or wide. The thickness and the width of the face recognition module provided by the embodiment of the disclosure are smaller, and the face recognition module is easier to integrate in products with higher requirements on industrial design, such as an intelligent door lock.

Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. The utility model provides a face identification module, its characterized in that, includes front end and rear end, the front end includes two camera modules, the rear end includes the mainboard, two camera modules pass through the winding displacement with the mainboard connection, the mainboard is including the little the control unit that is used for face identification's main chip and is used for lock control, main chip with little the control unit connection.

2. The face recognition module of claim 1, wherein the main board further comprises an expansion interface, and the expansion interface is configured to connect with at least one of an RGB camera, a Wi-Fi module, a fingerprint module, a display screen, a microphone, a speaker, a pyroelectric infrared sensor, a key module, and an indicator light.

3. The face recognition module set according to claim 1 or 2, wherein the front end further comprises a light supplement lamp module set, and the light supplement lamp module set is connected with the main board through the flat cable.

4. The face recognition module of claim 3, wherein the first substrate of the dual-camera module is independent of the second substrate of the fill light module.

5. The face recognition module set of claim 3, wherein the front end further comprises a housing, the housing comprises a first housing and a second housing detachably connected, and after the first housing and the second housing are connected, the dual-camera module set and the fill-in light module set are fixedly wrapped between the first housing and the second housing.

6. The face recognition module set of claim 3, wherein the flat cable comprises a power supply line of the dual-camera module set, a power supply line of the light supplement lamp module set, a signal line and a control line, the power supply line of the dual-camera module set is respectively connected with the dual-camera module set and the main board, the power supply line of the light supplement lamp module set is respectively connected with the light supplement lamp module set and the main board, the signal line is respectively connected with the dual-camera module set and the main board, and the control line is respectively connected with the dual-camera module set and the main board.

7. The module of claim 6, wherein the flat cables comprise a first flat cable and a second flat cable, the power supply wires of the dual-camera module, the signal wires and the control wires are integrated in the first flat cable, and the power supply wires of the light supplement module are disposed in the second flat cable.

8. The face recognition module of claim 1, wherein the motherboard comprises an advanced reduced instruction set machine (ARM) processor, and a Digital Signal Processor (DSP) coupled to the ARM processor.

9. The face recognition module of claim 4, wherein a silicone gasket is disposed between the first substrate and the second substrate, and the second substrate is coated with a thermally conductive silicone grease.

10. An intelligent door lock, characterized by comprising the face recognition module of any one of claims 1 to 9.

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