CN213069926U

CN213069926U - Face recognition circuit and device of intelligent door lock and intelligent door lock

Info

Publication number: CN213069926U
Application number: CN202022045970.7U
Authority: CN
Inventors: 夏智勇; 宋正瑛; 危光俊; 夏智强
Original assignee: Guizhou Stone Technology Co ltd
Current assignee: Guizhou Yunshiji Technology Co.,Ltd.
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-04-27
Anticipated expiration: 2030-09-18

Abstract

The application discloses face identification circuit of intelligence lock, device and intelligent lock, visitor or customer CAN pass through the RGB camera, infrared camera and USB-OTG interface circuit shoot real-time image, microprocessor changes serial ports circuit according to the CAN bus and acquires customer's image information, compare through microprocessor, realize the control of lock, in addition, ethernet interface circuit CAN also be utilized, send real-time image to customer's mobile terminal, the function that cat eye replaced has been realized, make things convenient for visitor's entering, solved and forgotten under the condition that carries the IC-card at the customer, cause the problem that the customer CAN't get into the hotel room easily, the potential safety hazard is reduced, user experience nature has been improved.

Description

Face recognition circuit and device of intelligent door lock and intelligent door lock

Technical Field

The application relates to the technical field of intelligent equipment, in particular to a face recognition circuit and device of an intelligent door lock and the intelligent door lock.

Background

The CAN bus is one of field buses, a communication medium CAN be a twisted pair, a coaxial cable or an optical fiber, and the CAN bus communication interface integrates the functions of a physical layer and a data link layer of a CAN protocol and CAN finish framing processing of communication data.

Along with the popularization of smart homes, more and more users obtain more convenient life experience by selecting smart home products. In the hospitality industry, many facilities in hotels are improved towards intelligence so that customers experience a feeling of returning home and enjoy more intimate services.

The door lock is as the first step of getting into the hotel room, and traditional hotel door lock is all by the hotel to the customer granting IC-card, and the customer need use the IC-card just can get into the hotel room, forgets to carry under the condition of IC-card at the customer, causes the problem that the customer can't get into the hotel room easily, and if the IC-card loses, has the potential safety hazard, and user experience nature is poor.

Disclosure of Invention

The application provides a face identification circuit, device and intelligent lock of intelligence lock has solved and has forgotten under the condition that carries the IC-card at the customer, causes the problem that the customer can't get into the hotel room easily, has reduced the potential safety hazard, has improved user experience nature.

In view of this, the first aspect of the present application provides a face recognition circuit for an intelligent door lock, including:

the CAN bus-to-serial port circuit, the power management circuit, the USB-OTG interface circuit, the Ethernet interface circuit and the microprocessor;

the CAN bus serial port conversion circuit, the USB-OTG interface circuit and the Ethernet interface circuit are respectively electrically connected with the microprocessor;

the output end of the USB-OTG interface circuit is respectively and electrically connected with the RGB camera and the infrared camera;

the power management circuit is electrically connected with the CAN bus-to-serial port circuit, the USB-OTG interface circuit, the Ethernet interface circuit and the microprocessor respectively.

Optionally, an audio output circuit is further included;

the audio output circuit is respectively electrically connected with the microprocessor and the power management circuit.

Optionally, an audio input circuit is also included;

the audio input circuit is electrically connected with the microprocessor and the power management circuit respectively.

Optionally, the CAN bus-to-serial port circuit specifically includes:

the CAN bus receiving and transmitting circuit and the CAN bus converting circuit are connected with the CAN bus transmitting and receiving circuit;

the input end of the CAN bus transceiver circuit is connected with a CAN bus;

the output end of the CAN bus transceiver circuit is electrically connected with the CAN bus conversion circuit;

the CAN bus conversion circuit is respectively electrically connected with the microprocessor and the power management circuit.

Optionally, the CAN bus conversion circuit is specifically a CAN bus to 232 serial port circuit or a CAN bus to TLL serial port circuit.

Optionally, the ethernet interface circuit specifically includes a network interface, a network port voltage transformation circuit, and an ethernet conversion circuit;

the network interface is electrically connected with the network port voltage transformation circuit;

the network port voltage transformation circuit is electrically connected with the Ethernet conversion circuit.

Optionally, the microprocessor is embodied as an RK3288 core board.

A second aspect of the present application provides a face recognition device for an intelligent door lock, which includes a display screen, an RGB camera, and an infrared camera, and further includes a face recognition circuit for an intelligent door lock according to any one of the first aspect of the present application;

the face recognition circuit of intelligence lock respectively with the display screen, RGB camera and infrared camera electricity is connected.

A third aspect of the present application provides an intelligent door lock, which includes a display screen, a lock body, an RGB camera, an infrared camera, and a housing, wherein the face recognition device of the intelligent door lock further includes a face recognition circuit of the intelligent door lock as described in any one of the first aspect of the present application;

the display screen, the RGB camera and the infrared camera are arranged on the shell;

According to the technical scheme, the embodiment of the application has the following advantages:

in the application, a face identification circuit of intelligence lock is provided, visitor or customer CAN pass through the RGB camera, infrared camera and USB-OTG interface circuit shoot real-time image, microprocessor changes serial ports circuit and acquires customer's image information according to the CAN bus, compare through microprocessor, realize the control of lock, in addition, ethernet interface circuit CAN also be utilized, send real-time image to customer's mobile terminal, the function that cat eye replaced has been realized, make things convenient for visitor's entering, solved and forgotten under the condition that carries the IC-card at the customer, cause the problem that the customer CAN't get into the hotel room easily, the potential safety hazard is reduced, user experience nature has been improved.

Drawings

Fig. 1 is a frame structure diagram of a face recognition circuit of an intelligent door lock according to the present application;

FIG. 2(a) is a schematic diagram of a first core board of a microprocessor according to the present application;

FIG. 2(b) is a schematic diagram of a second core board of a microprocessor according to the present application;

FIG. 2(c) is a block diagram of a third core board of a microprocessor according to the present application;

FIG. 2(d) is a schematic diagram of a fourth core board of a microprocessor according to the present application;

FIG. 3 is a schematic structural diagram of a CAN bus-to-serial port circuit in the present application;

FIG. 4(a) is a schematic structural diagram of a first converting circuit of the power management circuit of the present application;

FIG. 4(b) is a schematic diagram of a second converting circuit of the power management circuit of the present application;

FIG. 4(c) is a schematic structural diagram of a third converting circuit of the power management circuit of the present application;

FIG. 5 is a schematic structural diagram of a USB-OTG interface circuit in the present application;

FIG. 6 is a schematic diagram of an Ethernet interface circuit according to the present application;

FIG. 7 is a schematic diagram of an audio output circuit according to the present application;

fig. 8 is a schematic structural diagram of an audio input circuit according to the present application.

Detailed Description

In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The application designs a face identification circuit, device and intelligent lock of intelligence lock, has solved and has forgotten under the condition that carries the IC-card at the customer, causes the problem that the customer can't get into the hotel room easily, has reduced the potential safety hazard, has improved user experience nature.

For easy understanding, please refer to fig. 1 to 8, wherein fig. 1 is a frame structure diagram of a face recognition circuit of an intelligent door lock in an embodiment of the present application, and fig. 2 to 8 are specific structural schematic diagrams of each circuit, as shown in fig. 1, specifically:

the system comprises a CAN bus-to-serial port circuit 01, a power management circuit 02, a USB-OTG interface circuit 03, an Ethernet interface circuit 04 and a microprocessor 05;

the CAN bus serial port conversion circuit 01, the USB-OTG interface circuit 03 and the Ethernet interface circuit 04 are respectively electrically connected with the microprocessor 05;

the output end of the USB-OTG interface circuit 03 is respectively and electrically connected with the RGB camera 06 and the infrared camera 07;

the power management circuit 02 is electrically connected with the CAN bus-to-serial port circuit 01, the USB-OTG interface circuit 03, the Ethernet interface circuit 04 and the microprocessor 05 respectively.

Further, the device also comprises an audio output circuit;

It should be noted that the audio output circuit can also output audio such as door lock prompt tone, face recognition prompt tone, etc., and can also implement video call under the function of the ethernet interface circuit.

Further, the device also comprises an audio input circuit;

the audio input circuit is respectively electrically connected with the microprocessor and the power management circuit.

It should be noted that the audio input circuit can collect audio data of the visitor, and the video call is realized through the ethernet interface circuit.

Further, the CAN bus-to-serial port circuit specifically includes:

the input end of the CAN bus transceiver circuit is connected with a CAN bus;

the CAN bus conversion circuit is respectively and electrically connected with the microprocessor and the power management circuit.

Further, the CAN bus conversion circuit is specifically a CAN bus to 232 serial port circuit or a CAN bus to TLL serial port circuit.

Furthermore, the ethernet interface circuit specifically includes a network interface, a network port voltage transformation circuit, and an ethernet conversion circuit;

Further, the microprocessor is embodied as an RK3288 core board.

A second aspect of the present application provides a face recognition device for an intelligent door lock, comprising a display screen, an RGB camera, an infrared camera, and a face recognition circuit for an intelligent door lock according to any one of the first aspect of the present application;

the face recognition circuit of intelligence lock is connected with display screen, RGB camera and infrared camera electricity respectively.

A third aspect of the present application provides an intelligent door lock, comprising a display screen, a lock body, an RGB camera, an infrared camera, and a housing, wherein the face recognition device of the intelligent door lock further comprises a face recognition circuit of the intelligent door lock according to any one of the first aspect of the present application;

The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A face recognition circuit of an intelligent door lock is characterized by comprising:

2. The face recognition circuit of an intelligent door lock according to claim 1, further comprising an audio output circuit;

3. The face recognition circuit of an intelligent door lock according to claim 2, further comprising an audio input circuit;

4. The face recognition circuit of an intelligent door lock according to claim 1, wherein the CAN bus to serial port circuit specifically comprises:

the input end of the CAN bus transceiver circuit is connected with a CAN bus;

5. The face recognition circuit of an intelligent door lock according to claim 4, wherein the CAN bus conversion circuit is a CAN bus to 232 serial port circuit or a CAN bus to TLL serial port circuit.

6. The face recognition circuit of an intelligent door lock according to claim 1, wherein the ethernet interface circuit specifically comprises a network interface, a network port voltage transformation circuit and an ethernet conversion circuit;

7. The face recognition circuit of an intelligent door lock as claimed in claim 1, wherein the microprocessor is embodied as an RK3288 core board.

8. A face recognition device of an intelligent door lock comprises a display screen, an RGB camera and an infrared camera, and is characterized by further comprising a face recognition circuit of the intelligent door lock according to any one of claims 1 to 7;

9. An intelligent door lock, comprising a display screen, a lock body, an RGB camera, an infrared camera and a shell, and is characterized by further comprising a face recognition circuit of the intelligent door lock according to any one of claims 1 to 7;