Picture updating method, internet-of-things terminal and internet-of-things system

1 . An Internet-of-Things terminal, comprising:

a communication unit, configured to receive text picture information transmitted by an Internet-of-Things gateway, wherein the text picture information comprises synthesizing picture information and page number information, and the page number information indicates a page number of a picture corresponding to the picture information in a plurality of associated pictures and a total page number of the plurality of associated pictures;

a microcontroller unit, connected to the communication unit and configured to convert the text picture information into a picture to be displayed, wherein the picture to be displayed comprises the page number information;

a storage unit, connected to the microcontroller unit and configured to store the picture to be displayed; and

a display unit, connected to the microcontroller unit;

wherein the microcontroller unit is further configured to read the picture to be displayed from the storage unit and write the picture to be displayed to the display unit for display;

wherein the text picture information comprises a plurality of pieces of information, and each piece of information comprises picture information and page number information corresponding to the picture information;

wherein the storage unit is further configured to compare a current remaining storage capacity with a size of the picture to be displayed, and in response to that the current remaining storage capacity is less than the size of the picture to be displayed, erase information that is already stored until the current remaining storage capacity is not less than the size of the picture to be displayed;

wherein the page number information is used to generate fixed lattice information;

the page number of the picture and the total page number of the plurality of associated pictures are displayed on a fixed position of the picture; and

the synthesizing picture information and page number information comprises lattice data generated according to conversion algorithm corresponding to resolution, a display type of the Internet-of-Things terminal.

2 . The Internet-of-Things terminal according to claim 1 , wherein

the communication unit is further configured to receive the plurality of pieces of information;

the microcontroller unit is further configured to correspondingly convert the plurality of pieces of information into a plurality of pictures to be displayed;

the storage unit is further configured to store the plurality of pictures to be displayed, and corresponding storage areas of the plurality of pictures to be displayed in the storage unit are independent of each other;

the microcontroller unit is further configured to, according to a page-turning instruction from a user, read a picture to be displayed corresponding to the page-turning instruction from a corresponding storage area in the storage unit, and write the picture to be displayed corresponding to the page-turning instruction into the display unit for display.

3 . The Internet-of-Things terminal according to claim 2 , wherein the microcontroller unit is further configured to determine whether the page-turning instruction is received after reading the picture to be displayed from the storage unit and writing the picture to be displayed into the display unit for display, and in response to that the page-turning instruction is not received, control the Internet-of-Things terminal to enter a low power consumption standby mode; in response to that the page-turning instruction is received, read a picture to be displayed corresponding to the page-turning instruction from the storage unit according to the page-turning instruction, and write the picture to be displayed corresponding to the page-turning instruction to the display unit for display.

4 . A picture updating method, applied to the Internet-of-Things terminal according to claim 1 , the picture updating method comprising:

receiving, by a communication unit, text picture information transmitted by an Internet-of-Things gateway, wherein the text picture information comprises synthesizing picture information and page number information, and the page number information indicates a page number of a picture corresponding to the picture information in a plurality of associated pictures and a total page number of the plurality of associated pictures;

converting, by a microcontroller unit, the text picture information into a picture to be displayed, wherein the picture to be displayed comprises the page number information;

storing, by a storage unit, the picture to be displayed; and

reading, by the microcontroller unit, the picture to be displayed from the storage unit and writing the picture to be displayed to the display unit for display;

wherein the method further comprises: comparing, by the storage unit, a current remaining storage capacity with a size of the picture to be displayed, and in response to that the current remaining storage capacity is less than the size of the picture to be displayed, erasing information that is already stored until the current remaining storage capacity is not less than the size of the picture to be displayed.

5 . The method according to claim 4 , further comprising:

receiving, by the communication unit, the plurality of pieces of information;

converting, by the microcontroller unit, correspondingly the plurality of pieces of information into a plurality of pictures to be displayed;

storing, by the storage unit, the plurality of pictures to be displayed, wherein corresponding storage areas of the plurality of pictures to be displayed in the storage unit are independent of each other;

reading, by the microcontroller unit, according to a page-turning instruction from a user, a picture to be displayed corresponding to the page-turning instruction from a corresponding storage area in the storage unit, and writing the picture to be displayed corresponding to the page-turning instruction into the display unit for display.

6 . The method according to claim 4 , further comprising: determining, by the microcontroller unit, whether the page-turning instruction is received, and in response to that the page-turning instruction is not received, controlling the Internet-of-Things terminal to enter a low power consumption standby mode; in response to that the page-turning instruction is received, reading a picture to be displayed corresponding to the page-turning instruction from the storage unit according to the page-turning instruction, and writing the picture to be displayed corresponding to the page-turning instruction to the display unit for display.

7 . A picture updating method, applied to an Internet-of-Things server, wherein the picture updating method comprising:

determining, a plurality of associated pictures to be transmitted to an Internet-of-Things terminal, generating page number information corresponding to each picture according to a page number of each picture in the plurality of pictures, and synthesizing the page number information and picture information of the picture to obtain text picture information; and

transmitting, the text picture information and a physical address of the Internet-of-Things terminal to an Internet-of-Things gateway;

wherein the text picture information comprises a plurality of pieces of information, and each piece of information comprises picture information and page number information corresponding to the picture information;

wherein the page number information is used to generate fixed lattice information;

the page number of the picture and the total page number of the plurality of associated pictures are displayed on a fixed position of the picture; and

the synthesizing picture information and page number information comprises lattice data generated according to conversion algorithm corresponding to resolution, a display type of the Internet-of-Things terminal.

8 . The method according to claim 7 , further comprising: transmitting the plurality of pieces of information to the Internet-of-Things gateway sequentially according to the page number information.

9 . An Internet-of-Things system, comprising:

an Internet-of-Things server, configured to determine a plurality of associated pictures to be transmitted to an Internet-of-Things terminal, generate page number information corresponding to each picture according to a page number of each picture in the plurality of pictures, and synthesize the page number information and picture information of the picture to obtain text picture information; and transmit the text picture information and a physical address of the Internet-of-Things terminal to an Internet-of-Things gateway;

an Internet-of-Things gateway, configured to receive text picture information and a physical address of an Internet-of-Things terminal transmitted by an Internet-of-Things server; scan a corresponding Internet-of-Things terminal according to the physical address of the Internet-of-Things terminal; and transmit the text picture information to the Internet-of-Things terminal after establishing a connection with the Internet-of-Things terminal, wherein the text picture information comprises synthesizing picture information and page number information, and the page number information indicates a page number of a picture corresponding to the picture information in a plurality of associated pictures and a total page number of the plurality of associated pictures; and

an Internet-of-Things terminal, configured to receive text picture information transmitted by the Internet-of-Things gateway, wherein the text picture information comprises the synthesizing picture information and page number information, and the page number information indicates the page number of the picture corresponding to the picture information in the plurality of associated pictures and the total page number of the plurality of associated pictures; convert the text picture information into a picture to be displayed, wherein the picture to be displayed comprises the page number information; store the picture to be displayed; and read the picture to be displayed for display;

wherein the Internet-of-Things gateway is further configured to compare a current remaining storage capacity with a size of the picture to be displayed, and in response to that the current remaining storage capacity is less than the size of the picture to be displayed, erase information that is already stored until the current remaining storage capacity is not less than the size of the picture to be displayed;

wherein the text picture information comprises a plurality of pieces of information, and each piece of information comprises picture information and page number information corresponding to the picture information;

wherein the page number information is used to generate fixed lattice information;

the page number of the picture and the total page number of the plurality of associated pictures are displayed on a fixed position of the picture; and

the synthesizing picture information and page number information comprises lattice data generated according to conversion algorithm corresponding to resolution, a display type of the Internet-of-Things terminal.

10 . The system according to claim 9 , wherein

the Internet-of-Things server transmits the plurality of pieces of information to the Internet-of-Things gateway sequentially according to the page number information.

11 . The system according to claim 9 , wherein

the Internet-of-Things gateway transmits the plurality of pieces of information to the Internet-of-Things terminal sequentially according to the page number information.