CN215642986U

CN215642986U - Intelligence doorbell based on bluetooth BLE agreement keep-alive

Info

Publication number: CN215642986U
Application number: CN202121374321.XU
Authority: CN
Inventors: 黄霖; 张军胜; 万雪祥
Original assignee: Shenzhen Dophigo Iot Technology Co ltd
Current assignee: Shenzhen Dophigo Iot Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-25
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a Bluetooth BLE protocol keep-alive-based intelligent doorbell which comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises a first main control module, the outdoor unit comprises a second main control module, and the first main control module and the second main control module realize bidirectional data communication in a Bluetooth communication mode; the first main control module comprises an Internet of things SOC with the model of RTL8722, the second main control module comprises a Bluetooth chip with the model of RTL8762 and a WiFi chip with the model of RTL8715, the Internet of things SOC and the Bluetooth chip are reliably connected in a Bluetooth BLE protocol communication mode, the WiFi chip is in communication connection with the Bluetooth chip and the Internet of things SOC respectively, and the Internet of things SOC is further connected with the server through the router. The utility model realizes the keep-alive through the Bluetooth communication, has simple and reliable communication, greatly reduces the power consumption, has no compatibility problem between equipment and a router, and has high reliability and good stability.

Description

Intelligence doorbell based on bluetooth BLE agreement keep-alive

Technical Field

The utility model relates to the technical field of intelligent doorbells, in particular to a Bluetooth BLE protocol keep-alive intelligent doorbell.

Background

At present, the existing low-power intelligent doorbell depends on WiFi DTIM (DTIM is an abbreviation of english Delivery Traffic Indication Message, DTIM is used for multipoint application in the traditional power saving mode, that is, AP realizes keep-alive (since outdoor unit usually uses battery to supply power, it is generally difficult to meet the requirement of connecting WiFi network for a long time in order that user can wake up the outdoor unit remotely at any time, it needs to connect to wide area network (for example, connect WiFi once every second for a short time and inquire whether the state needs to be connected to server) through specific communication mode periodically, that is, through certain interval networking behavior, the device can respond to the connection request of user at least in two interval periods, so that the device feels to be in active state for user), namely, the outdoor unit is connected to the router, keep-alive is carried out according to the traditional DTIM technology, namely, the equipment periodically sends a keep-alive heartbeat packet to the router in the user home to keep the equipment keep-alive online, and the keep-alive mode has the following defects:

1. the WiFi protocol is relatively long, namely, the communication is complex, the keep-alive current generally reaches about 500 uA-1.5 mA, and the keep-alive power consumption is high;

2. because different DTIM setting thresholds which can be accepted by different household routers are different, the system compatibility is poor, and the situations that the equipment keep-alive fails, the network is disconnected and the remote awakening cannot be realized often occur;

3. the DTIM protocol is easy to mistake a daily network communication signal as an equipment awakening signal when a plurality of home network equipment of a user exist, so that the keep-alive equipment is mistakenly awakened, and extra power consumption overhead is caused;

4. the DTIM keep-alive scheme is a general scheme, and can not realize some privatized functions of the intelligent doorbell, and if someone presses the doorbell outside the door, the indoor unit can not ring directly and quickly.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome part or all of the defects in the prior art and provides a Bluetooth keep-alive intelligent doorbell.

The technical scheme of the utility model is as follows:

an intelligent doorbell based on Bluetooth BLE protocol keep-alive comprises an indoor unit and an outdoor unit; the indoor unit comprises a first main control module for controlling the whole indoor unit to operate, the outdoor unit comprises a second main control module for controlling the whole outdoor unit to operate, and the first main control module and the second main control module realize bidirectional data communication in a Bluetooth communication mode;

the first main control module comprises an Internet of things SOC integrated with an MCU, a Bluetooth module and a WiFi module, and the second main control module comprises a Bluetooth chip integrated with the Bluetooth module and the MCU and a WiFi chip integrated with the WiFi module, a video processing module and the Bluetooth module; the bluetooth module of thing networking SOC with the bluetooth module communication connection of bluetooth chip, thing networking SOC still connects the router in order to realize the communication connection with the server through its self wiFi module, the bluetooth module of bluetooth chip still with the bluetooth module communication connection of wiFi chip, the wiFi module of wiFi chip with the wiFi module communication connection of thing networking SOC.

Further, the WiFi chip is connected with an image acquisition module through a video processing module of the WiFi chip, the WiFi chip is used for acquiring image information through the image acquisition module and transmitting the acquired image information to the Internet of things SOC so as to realize transmission to the user terminal.

Further, the model of the SOC of the internet of things is RTL 8722.

Further, the model of the bluetooth chip is RTL 8762.

Further, the model of the WiFi chip is RTL 8715.

Furthermore, the indoor unit further comprises a power module and a ringing device; the power module comprises an AC/DC power panel and a DC/DC voltage reduction unit, wherein the AC/DC power panel is respectively electrically connected with a commercial power, the DC/DC voltage reduction unit and a ringing device, the AC/DC power panel is used for converting the commercial power into 5V direct current to be supplied to the DC/DC voltage reduction unit and the ringing device, the DC/DC voltage reduction unit is further electrically connected with the SOC of the Internet of things, the DC/DC voltage reduction unit is used for converting the 5V direct current output by the AC/DC power panel into 3.3V direct current to be supplied to the SOC of the Internet of things, and the SOC of the Internet of things is further electrically connected with the ringing device through an MCU of the SOC.

Furthermore, the outdoor unit further comprises a lithium battery power supply module and a key module, the lithium battery power supply module is used for supplying electric energy required by work to the whole outdoor unit, the key module is electrically connected with the Bluetooth chip, and the key module is used for triggering an instruction.

By adopting the scheme, the utility model has the following beneficial effects:

1. the Bluetooth BLE protocol communication mode is adopted to realize keep-alive, the BLE protocol inherently has the characteristic of low power consumption, the communication is simple and reliable, the power consumption is only 1/5-1/10 of the power consumption of the traditional keep-alive scheme, the power consumption is greatly reduced, meanwhile, the reliable connection between the indoor unit and the outdoor unit is established through the Bluetooth communication, the compatibility problem between equipment and a router does not exist, the reliability is high, and the stability is good;

2. in the preferred scheme, the indoor unit serves as an indoor ring and a relay gateway to connect the server, so that a communication relay function is achieved, and the communication stability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a block diagram of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1, the utility model provides a bluetooth keep-alive intelligent doorbell, which is used for overcoming part or all of the defects in the prior art; the intelligent doorbell comprises an indoor unit 1 and an outdoor unit 2, wherein the indoor unit 1 comprises a first main control module 11 for controlling the operation of the whole indoor unit 1, the outdoor unit 2 comprises a second main control module 21 for controlling the operation of the whole outdoor unit 2, the first main control module 11 and the second main control module 21 realize bidirectional data communication in a Bluetooth communication mode, namely, the indoor unit 1 and the outdoor unit 2 realize bidirectional communication in a Bluetooth communication mode, namely, the Bluetooth communication replaces the existing DTIM (digital television instant messaging) keep-alive scheme, so that the purpose of reducing the power consumption is achieved; further, the air conditioner is provided with a fan,

the first main control module 11 comprises an internet of things SOC (also called an internet of things chip, hereinafter, the internet of things SOC) 111 with a model number of RTL8722, the internet of things SOC111 is integrated with an ARM code M23 MCU, a bluetooth module and a WiFi module, the internet of things SOC111 is used for controlling the operation of the whole indoor unit 1, the MCU of the internet of things SOC111 is electrically connected with the bluetooth module and the WiFi module of the internet of things SOC111 respectively, and the internet of things SOC111 realizes communication connection with the second main control module 21 through its own bluetooth module, so that the internet of things SOC111 and the second main control module 21 can realize bidirectional data communication through a bluetooth BLE protocol communication mode, the internet of things SOC111 is further connected with the router 3 through its own WiFi module, so that the internet of things SOC111 realizes communication connection with the server 4 through the WiFi module and the router 3, and further the internet of things SOC111 can upload data to the server 4, the server 4 can issue an instruction to the internet of things SOC111 to realize remote linkage and bidirectional data communication, namely the indoor unit 1 can play a role of communication relay;

the second main control module 21 comprises a bluetooth chip 211 with a model number of RTL8762 and a WiFi chip 212 with a model number of RTL8715, the bluetooth chip 211 is integrated with a bluetooth module and an ARM Cortex M4MCU, the bluetooth chip 211 is used for controlling the operation of the whole outdoor unit 2, the bluetooth module of the bluetooth chip 211 is in communication connection with the bluetooth module of the Internet of things SOC111 through a bluetooth BLE protocol, so that the bluetooth chip 211 and the Internet of things SOC111 can realize bidirectional data communication through bluetooth communication, further the indoor unit 1 and the outdoor unit 2 are reliably connected through bluetooth communication, the WiFi chip 212 is integrated with a WiFi module, a video processing module and a bluetooth module, the WiFi chip 212 is in communication connection with the bluetooth chip 211 and the Internet of things SOC111 respectively, namely, the WiFi chip 212 is in communication connection with the bluetooth module of the bluetooth chip 211 through its own bluetooth module, so that the bluetooth chip 211 and the WiFi chip 212 realize communication through bluetooth communication, the WiFi chip 212 is also in communication connection with the WiFi module of the Internet of things SOC111 through the WiFi module of the WiFi chip 212, so that the WiFi chip 212 and the Internet of things SOC111 are in communication in a WiFi communication mode, the WiFi chip 212 is also connected with an image acquisition module through the video processing module of the WiFi chip 212, the WiFi chip 212 acquires image information through the image acquisition module and transmits the acquired image information to the Bluetooth chip 211, and therefore the image information acquired by the image acquisition module can be sent to the Internet of things SOC111 to be transmitted to a user terminal;

wherein, the indoor unit 1 further comprises a power module and a ringing device, the power module comprises an AC/DC power board and a DC/DC voltage-reducing unit, the AC/DC power board is respectively electrically connected with the commercial power, the DC/DC voltage-reducing unit and the ringing device, the AC/DC power board is used for converting the commercial power into 5V direct current to be supplied to the DC/DC voltage-reducing unit and the ringing device for use, the DC/DC voltage-reducing unit is further electrically connected with an internet of things SOC111, the DC/DC voltage-reducing unit is used for converting the 5V direct current output by the AC/DC power board into 3.3V direct current to be supplied to the internet of things SOC111 for use, the internet of things 111 is further electrically connected with the ringing device through its own MCU, specifically, the ringing device comprises any one of a buzzer, a horn and a loudspeaker, and a specification is, the components of the indoor unit 1, such as the AC/DC power panel, the DC/DC voltage reduction unit, the ringing device, and the like, all adopt the prior art, do not belong to the improvement point of the technology, and are not described in detail;

outdoor unit 2 still includes lithium battery power supply module and button module, lithium battery power supply module is used for providing the required electric energy of work for whole outdoor unit 2, button module with bluetooth chip 211 electric connection, button module is used for triggering corresponding instruction, triggers the jingle bell device jingle bell to inform owner through button module for example when visitor visits, and what need explain is that components such as the image acquisition module of outdoor unit 2, lithium battery power supply module and button module all adopt prior art, do not belong to this technical improvement point, do not give unnecessary details.

The working process and principle of the utility model are as follows: when the outdoor unit 2 needs to enter the keep-alive state, the Bluetooth chip 211 controls the WiFi chip 212, the image acquisition module and other components to be completely closed, and only the work of the Bluetooth chip 211 is kept, so that the outdoor unit 2 is kept in heartbeat connection with the indoor unit 1 through the Bluetooth chip 211, at the moment, as the outdoor unit 2 and the indoor unit 1 achieve bidirectional data communication through Bluetooth communication to achieve the purpose of keeping-alive, compared with a DTIM keep-alive scheme through WiFi communication, the power consumption of the keep-alive scheme based on Bluetooth communication is 1/5-1/10 of the power consumption of the DTIM keep-alive scheme of traditional WiFi communication, the power consumption is effectively reduced, and meanwhile, after the indoor unit 1 receives a keep-alive heartbeat data packet sent by the outdoor unit 2, the indoor unit 1 can update the keep-alive state to the server 4 through a WiFi network.

It is worth mentioning that a user can access the server 4 through an intelligent terminal such as a mobile phone, when a remote connection request is generated by the user, the server 4 generates a corresponding wake-up signal and sends the signal to the indoor unit 1 through a network, because the indoor unit 1 and the outdoor unit 2 are in reliable bluetooth connection, the indoor unit 1 can send the wake-up request to the outdoor unit 2 through the bluetooth signal, at this time, the outdoor unit 2 wakes up, the bluetooth chip 211 controls the WiFi chip 212 and the image acquisition module to be completely opened, that is, the bluetooth chip 211, the WiFi chip 212, the image acquisition module and other components all work, the image acquisition module is connected with the internet of things SOC111 of the indoor unit 1 through the WiFi chip 212 and starts image initialization, after the connection is completed, the outdoor unit 2 is in an online state, at this time, the user can perform real-time video connection through the mobile phone access server 4.

Compared with the prior art, the utility model has the following beneficial effects:

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent doorbell based on Bluetooth BLE protocol keep-alive is characterized by comprising an indoor unit and an outdoor unit; the indoor unit comprises a first main control module for controlling the whole indoor unit to operate, the outdoor unit comprises a second main control module for controlling the whole outdoor unit to operate, and the first main control module and the second main control module realize bidirectional data communication in a Bluetooth communication mode;

2. The Bluetooth BLE protocol keep-alive-based intelligent doorbell according to claim 1, wherein the WiFi chip is further connected with an image acquisition module through a video processing module of the WiFi chip, the WiFi chip realizes image information acquisition operation through the image acquisition module, and transmits the acquired image information to the Internet of things SOC so as to realize transmission to the user terminal.

3. The Bluetooth BLE protocol keep-alive based smart doorbell of claim 1, wherein the Internet of things SOC is model RTL 8722.

4. The Bluetooth BLE protocol keep-alive based smart doorbell of claim 1, wherein the Bluetooth chip is model number RTL 8762.

5. The Bluetooth BLE protocol keep-alive based smart doorbell of claim 1, wherein the WiFi chip is RTL8715 in model number.

6. The Bluetooth BLE protocol-based keep-alive intelligent doorbell of claim 1, wherein the indoor unit further comprises a power module and a ringing device; the power module comprises an AC/DC power panel and a DC/DC voltage reduction unit, wherein the AC/DC power panel is respectively electrically connected with a commercial power, the DC/DC voltage reduction unit and a ringing device, the AC/DC power panel is used for converting the commercial power into 5V direct current to be supplied to the DC/DC voltage reduction unit and the ringing device, the DC/DC voltage reduction unit is further electrically connected with the SOC of the Internet of things, the DC/DC voltage reduction unit is used for converting the 5V direct current output by the AC/DC power panel into 3.3V direct current to be supplied to the SOC of the Internet of things, and the SOC of the Internet of things is further electrically connected with the ringing device through an MCU of the SOC.

7. The Bluetooth BLE protocol keep-alive based intelligent doorbell according to claim 1, wherein the outdoor unit further comprises a lithium battery power supply module and a button module, the lithium battery power supply module is used for supplying electric energy required by the work to the whole outdoor unit, the button module is electrically connected with the Bluetooth chip, and the button module is used for triggering an instruction.