CN214481287U

CN214481287U - Watch caller system based on LoRa communication

Info

Publication number: CN214481287U
Application number: CN202120568662.4U
Authority: CN
Inventors: 朱波
Original assignee: Shenzhen Haoshanghao Information Technology Co ltd
Current assignee: Shenzhen Haoshanghao Information Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-22
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a watch caller system based on LoRa communication, a transceiver module is arranged in the watch caller, the transceiver module is connected to a LoRa gateway through communication, and the transceiver module can receive an instruction sent by the LoRa gateway through communication connection; the system comprises a LoRa gateway, a cloud server and terminal equipment, wherein the LoRa gateway is in communication connection with the cloud server and the terminal equipment, the cloud server is in communication connection with the terminal equipment and configures linkage relation between the terminal equipment, the LoRa gateway can forward commands transmitted to the terminal equipment by the cloud server, and the LoRa gateway can forward the equipment state of the cloud server on the line. This wrist-watch calling set portable and operation can call back kitchen or food delivery robot through this wrist-watch, and the waiter still can use this wrist-watch to punch the card and look over the affirmation information, and the dining service that facilitates and the high-grade dining experience are provided for client.

Description

Watch caller system based on LoRa communication

Technical Field

The utility model relates to the field of communication technology, concretely relates to wrist-watch calling set system based on loRa communication.

Background

The existing restaurant beeper mostly adopts the WIFI technology, and the biggest problem of the WIFI technology is short communication distance, poor wall penetrating effect and high power consumption, so that a large number of gateways must be arranged in a restaurant, the beeper needs to be fixed on a dining table or other fixed positions, the communication frequency range is less, and calling at any time and any place cannot be realized.

On the other hand, the waiter needs to complete multiple tasks such as holding dishes and settling accounts, most of the existing callers are large in size, are not convenient for the waiter to carry, and do not have the functions of checking cards and signing in.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a low-power consumption, the big wrist-watch calling set system based on loRa communication of coverage.

In order to realize the technical purpose, the utility model discloses a scheme is: a watch caller system based on LoRa communication comprises a watch caller, a LoRa gateway, a cloud server and terminal equipment, wherein a receiving and sending module is arranged in the watch caller, the receiving and sending module is connected to the LoRa gateway through communication, and the receiving and sending module can receive an instruction sent by the LoRa gateway through communication connection;

the LoRa gateway is in communication connection with a cloud server and terminal equipment, the cloud server is in communication connection with the terminal equipment and configures linkage relation between the terminal equipment, the LoRa gateway can forward a command transmitted to the terminal equipment by the cloud server, and the LoRa gateway can forward an equipment state of the terminal equipment which is uplink to the cloud server;

the watch caller is also provided with an MCU (micro control unit), a battery module, a display module and a key module, wherein the battery module, the display module and the key module are connected to the MCU, and the MCU controls the transceiver module through an SPI (serial peripheral interface) bus and 2 interrupt IO (input output).

Preferably, an NFC card reading module is further arranged in the watch caller.

Preferably, the terminal device includes a cook terminal and a robot terminal.

Preferably, the MCU is HC32F460 MCU.

Preferably, the type of the transceiver module is SX1262 LoRa.

Preferably, a bullet needle used for being matched with a charging base for charging is arranged in the watch beeper, and magnets used for fixing are arranged on two sides of the bullet needle.

Preferably, the transceiver module is a spring antenna which is arranged transversely in the watch caller.

Preferably, a motor module used for information prompt and vibration prompt is further arranged in the watch calling device.

The utility model has the advantages that: the watch caller is convenient to carry and operate, a kitchen or a food delivery robot can be called through the watch, and a waiter can also use the watch to punch a card and check confirmation information, so that convenient dining service and high-grade dining experience are provided for customers, the manual quantity of restaurant waiters can be saved, the operating cost is reduced, and the management efficiency is improved; in addition, the characteristics of low power consumption and long-distance transmission of LoRa communication are utilized, the wall-through effect is good, free communication frequency bands exist all over the world, and private protocol networking is supported, so that the system is very suitable for being used in a calling robot meal delivery or return application system, the power consumption is low, and the high cost performance is achieved.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is one of the schematic internal structural diagrams of the present invention;

fig. 4 is a second schematic view of the internal structure of the present invention.

Wherein: 1. a watch pager; 101. a confirmation key; 102. a key is added; 103. a key is down; 104, an NFC card reading module; 105. a spring antenna; 106. a magnet; 107. a needle is flicked; 108. a motor module; 109. and a display module.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, specific embodiment be a wrist-watch calling set system based on LoRa communication, this system mainly adopts LoRa communication technology, LoRa communication technology's key feature is low-power consumption, long distance transmission, it is effectual to wear the wall, has free communication frequency channel globally to support the private agreement network deployment, especially adapted to be used in wrist-watch calling set system.

The watch caller comprises a watch caller, an LoRa gateway, a cloud server and terminal equipment, wherein a receiving and sending module is arranged in the watch caller, the receiving and sending module is connected to the LoRa gateway through communication, and the receiving and sending module can receive an instruction sent by the LoRa gateway through communication connection;

the watch caller is also provided with an MCU (micro control unit), the MCU controls the transceiver module through an SPI (serial peripheral interface) bus and 2 interrupt IO (input/output), the caller is in standby mode when the screen is stopped at ordinary times, and the caller is awakened every 1s during standby to monitor an LoRa (remote access ra) command sent by a gateway; or a customer or a waiter sends an LoRa sending instruction to the gateway through a confirmation key, then the gateway dispatches and calls the food delivery robot or the kitchen, all the receiving and sending instructions of the caller are completed by communicating with the gateway, and then the gateway sends the instruction to the food delivery robot or the caller carried by the waiter to complete a complete calling service function.

The main part of this system is portable wrist-watch, and this wrist-watch cooperation kitchen terminal or robot terminal use, and the display screen of kitchen terminal for being used for showing the menu still including being connected to MCU's battery module, display module and button module, has mainly included following several parts:

the battery module selects a rechargeable lithium battery of 300mah, an SGM4056 chip is used on a mainboard for charging management, the charging time is designed to be fully charged within 90 minutes approximately, the working time of full charging can support one day to half a day, the working time of a restaurant from 10:00 in daytime to 24:00 at night is basically met, and the battery module is used for charging at other times. The inside of the watch caller is provided with a magnet 106 and a spring needle 707 in a left-right distribution mode, the magnet 106 and the spring needle 107 are used for connecting a fixed charging base to charge a battery module, and the watch caller can be charged by being placed on the charging base.

The receiving and transmitting module and the MCU are the core of the watch caller 1, preferably an SX1262LoRa receiving and transmitting chip and an HC32F460 control chip are used for realizing LoRa receiving and transmitting communication of a private protocol, and the receiving and transmitting module is connected to a LoRa gateway through communication and receives an instruction sent by the LoRa gateway; the SX1262 chip supports data communication of the full frequency band within 1GHZ, three frequency bands of 490M,868M and 915M are generally used, the transmitting power is 22DBM, the transmitting and receiving module of the application adopts the spring antenna 105, the spring antenna 105 is transversely arranged at the upper end inside the watch caller, the spring antenna is the antenna which is most suitable for the structure of the watch, and the communication distance between the spring antenna 105 and a gateway in a general sheltered environment can reach 400 + 500 meters. Through practical tests, in some large restaurants, such as a submarine fishing device, which has a plurality of boxes and shields a lot of environments, the actually measured wall penetrating distance can reach about 30-50 meters. The HC32F460 also supports USB communication, the caller can be connected with a computer through USB, data such as table number data of the robot and the binding relationship between the established table number and the NFC card data can be written in, and a program can be upgraded through USB.

In order to facilitate the waiter to punch the card and supervise the waiter, the application also provides a card swiping scheme, which comprises an NFC card reading module 105 arranged in the watch caller and NFC cards placed at the door, the kitchen and the side surfaces of all dining tables, wherein the NFC card reading module is close to the NFC cards to swipe the cards to read information and perform calling tasks. The NFC card reading module preferably adopts an SKY1311 card reader chip, supports reading and writing of ISO14443A and B type NFC cards, and can achieve card reading distance debugging of about 1.5CM-2 CM.

The watch caller also comprises a display module and a key module, wherein 3 keys, an upper key 102, a lower key 103 and a power on/off key/confirmation key 101 are designed on the mainboard, the confirmation key 101 is mainly used for confirming and calling a waiter or a food delivery robot, and the upper key and the lower key are matched to be used for menu switching and function operation after the watch is started. The display module 109 is used for displaying a UI operation interface, and preferably adopts a TFT screen with 1.3 inches and 240 × 240 resolutions, and various UI menu switches, key functions, data information, and the like of a user can be displayed on the screen in real time as an interaction interface for human-computer interaction.

The watch caller also includes a motor module 108 for message prompting, vibration prompting, facilitating the prompting of waiters and the viewing of customer information.

The watch caller is convenient to carry and operate, a kitchen or a food delivery robot can be called through the watch, and a waiter can also use the watch to punch a card and check confirmation information, so that convenient dining service and high-grade dining experience are provided for customers, the manual quantity of restaurant waiters can be saved, the operating cost is reduced, and the management efficiency is improved; in addition, the characteristics of low power consumption and long-distance transmission of LoRa communication are utilized, the wall-through effect is good, free communication frequency bands exist all over the world, and private protocol networking is supported, so that the system is very suitable for being used in a calling robot meal delivery or return application system, the power consumption is low, and the high cost performance is achieved.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims

1. The utility model provides a wrist-watch calling set system based on loRa communication which characterized in that: the watch caller comprises a watch caller, an LoRa gateway, a cloud server and terminal equipment, wherein a receiving and sending module is arranged in the watch caller, the receiving and sending module is connected to the LoRa gateway through communication, and the receiving and sending module can receive an instruction sent by the LoRa gateway through communication connection;

2. The LoRa communication-based watch pager system of claim 1, wherein: and an NFC card reading module is also arranged in the watch caller.

3. The LoRa communication-based watch pager system of claim 1, wherein: the terminal equipment comprises a chef terminal and a robot terminal.

4. The LoRa communication-based watch pager system of claim 1, wherein: the type of the MCU is HC32F460 MCU.

5. The LoRa communication-based watch pager system of claim 1, wherein: the type of the transceiver module is SX1262 LoRa.

6. The LoRa communication-based watch pager system of claim 1, wherein: be equipped with in the wrist-watch calling set and be used for cooperating the bullet needle that the charging base used of charging, bullet needle both sides are equipped with and are used for fixed magnet.

7. The LoRa communication-based watch pager system of claim 1, wherein: the receiving and transmitting module is a spring antenna which is transversely arranged in the watch caller.

8. The LoRa communication-based watch pager system of claim 1, wherein: and a motor module used for information prompt and vibration prompt is also arranged in the watch calling device.