CN219039602U

CN219039602U - Internet of things electric control panel module for mounting COF structure liquid crystal display

Info

Publication number: CN219039602U
Application number: CN202223236981.9U
Authority: CN
Inventors: 何伟成; 念致志; 杜泽山
Original assignee: Shangyun Electronic Control Equipment Technology Guangzhou Co ltd
Current assignee: Shangyun Electronic Control Equipment Technology Guangzhou Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-16
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses an internet of things electric control panel module for installing a COF structure liquid crystal screen, belonging to the technical field of automatic control and communication; the intelligent control system comprises a COF structure touch liquid crystal screen, a wireless communication module, a tact switch, an optical coupler isolation IO input module, an IO quantity output module, an RS485/CAN communication module and a K-type thermocouple temperature control input module which are integrally distributed on an electric control panel; a first circuit board square hole and a second circuit board square hole are formed in an electric control panel located on the right side of the COF structure touch liquid crystal screen, a flexible circuit part of a main chip and a circuit on the COF structure touch liquid crystal screen penetrates through the first circuit board square hole to be placed below the circuit board, and a connector part of the flexible circuit board penetrates through the second circuit board square hole to be placed above the circuit board to be connected to the SMT connector seat. The electronic control panel module of the Internet of things can reduce the area size of the control circuit module, can be widely embedded into automatic electronic control equipment, and realizes that the electronic control equipment accesses to a cloud platform server to interactively monitor state data in real time.

Description

Internet of things electric control panel module for mounting COF structure liquid crystal display

Technical Field

The utility model belongs to the technical field of automatic control and communication, and particularly relates to an electronic control panel module of the internet of things for installing a COF structure liquid crystal screen.

Background

With the development of network technologies such as the Internet of things, sensors, 4G/5G and the like, IT and OT are easier to fuse, and the opportunity of digital transformation of electric control equipment is also provided. Under the push of digital economic strategy and market, the digital transformation of manufacturing enterprises has become industry consensus and work focus. The digital transformation of the traditional enterprises becomes a necessary trend, the enterprises realize the digital transformation, and obvious economic development is brought to the enterprises after the digital transformation steps.

At present, the traditional electric control equipment mainly uses PLC control, and an industrial electric control system generally comprises a PLC and a liquid crystal touch screen HMI, and uses wired communication to transfer data exchange of a cloud server on a wireless router and the like. However, the PLC control system is mainly applied to large-scale equipment, the equipment cost is relatively high, the digital electric control equipment and the cloud platform are required to be integrated through secondary development, the development period is relatively long, the development cost is relatively high, and the project construction requirements of high requirements, high standards and high timeliness of many enterprises at present cannot be met.

For the situation, there is a liquid crystal screen designed to use a COF structure, but a conventional COF structure touches a connector on a flexible circuit board direct connection panel of the liquid crystal screen, the flexible circuit board shields a part of a front panel, the front panel cannot be used for installing and placing a key switch, and the control circuit module has large area size and low integration degree and is not suitable for being embedded into automatic electric control equipment.

Disclosure of Invention

The purpose of the utility model is that: the problem that key switches cannot be installed and the integration degree is low in an existing COF structure liquid crystal screen is solved, the electronic control panel module of the Internet of things for installing the COF structure liquid crystal screen is provided, the wireless communication module and part of key switches can be installed close to the liquid crystal screen through flexible circuits for reasonably distributing the COF structure touch liquid crystal screen, the area size of a control circuit module is reduced, logic control and the cloud electronic control Internet of things function are realized through the arrangement of the high-integration-degree module containing the COF structure touch liquid crystal screen, and the electronic control panel module of the Internet of things for installing the COF structure liquid crystal screen can be widely embedded in automatic electronic control equipment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an installation COF structure LCD screen's automatically controlled panel module of thing networking, includes the touch LCD screen of COF structure that sets up on automatically controlled panel, the touch LCD screen of COF structure includes touch-sensitive screen, dual-core OS\GUI module and inlays the FPC flexible board of IC, and the IC is attached to on the winding displacement between touch-sensitive screen and the PCB mainboard; an ESP32-C3 module is arranged on the right side of the COF structure touch liquid crystal screen, circuit boards are connected to the electric control panels positioned on two sides of the ESP32-C3 module, and a first circuit board square hole and a second circuit board square hole are formed in the electric control panel corresponding to the lower part of the circuit boards; the flexible circuit part of the main chip and the circuit on the COF structure touch liquid crystal screen passes through the square hole of the first circuit board and is arranged below the circuit board, and the connector part of the flexible circuit board passes through the square hole of the second circuit board and is arranged above the circuit board to be connected with the SMT connector seat;

logic programming, AD data acquisition and IO input/output control and multi-channel serial port communication control circuits are integrated in a dual-core OS/GUI module of the COF structure touch liquid crystal screen; the electric control panel is also provided with a wireless communication module, a tact switch, an optical coupler isolation IO input module, an IO quantity output module, an RS485/CAN communication module and a K-type thermocouple temperature control input module which are respectively in communication connection with the dual-core OS/GUI module.

The touch switch is provided with 5 paths and is horizontally distributed on the right side of the COF structure touch liquid crystal screen in an upper row and a lower row, and the dual-core OS\GUI module receives a key instruction of the touch switch by running a keyboard scanning program; the touch switch is also connected with 10 paths of IO quantity output modules and an RS485/CAN communication module in a communication way, the dual-core OS/GUI module controls the IO quantity output module to drive the signal relay through a ULN2003 chip, and the RS485/CAN communication module is connected to a serial port output port of the dual-core OS/GUI module; and an optical coupling isolation IO input module and a K-type thermocouple temperature control input module are further arranged on the electric control panel positioned on the right side of the tact switch, the optical coupling isolation IO input module is connected with the dual-core OS\GUI module to input switching value signals, and the K-type thermocouple temperature control input module is connected with the dual-core OS\GUI module to input IO port AD to upload measurement data.

And the wireless communication module and the dual-core OS/GUI module are communicated through a serial port, and data interaction is carried out with the cloud platform server through a wireless network.

The wireless communication module is one of a WiFi module, a BT module, an NB module and a lora module.

The RS485/CAN communication module is in communication connection with the peripheral equipment with MODEBUS communication protocol through an RS485/CAN bus, and the peripheral equipment comprises a frequency converter, an HMI touch screen and a PLC control system.

The optocoupler isolation IO input module comprises 6 paths of optocoupler isolation circuits and an isolation power supply, and is connected with the input of the switching value sensor; the switching value sensor comprises a water level sensor, a door magnetic switch and an acousto-optic control switch.

The COF structure touch liquid crystal screen is connected with a local monitoring terminal through wireless network or Bluetooth communication, and performs man-machine interaction through an APP or an online webpage; the local monitoring terminal comprises a tablet personal computer, an industrial computer and a local server.

The beneficial effects of the utility model are as follows:

1) The dual-core OS/GUI touch screen control with the COF structure is used, the wireless communication module, the panel module with the multi-path key switch module, the multi-path IO input and output, the multi-path thermocouple temperature control or other signal acquisition and input are integrated, the DGUS platform rapidly develops the human-computer exchange interface HMI, so that the high-integration-level module realizes the functions of logic control and cloud-up electric control Internet of things, and the system has the reliability, stability and anti-interference performance of the traditional PLC control system, and greatly reduces the running cost of enterprises.

2) According to the utility model, the flexible circuit of the COF structure touch liquid crystal screen is reasonably distributed, so that the wireless communication module and part of key switches can be installed close to the liquid crystal screen, the problems that the key switches cannot be installed and the integration degree is low in the conventional COF structure liquid crystal screen are solved, and the area size of the control circuit module is reduced; logic control and cloud-up electric control Internet of things functions are realized by arranging the high-integration module comprising the COF structure touch liquid crystal screen, so that the electric control panel module of the Internet of things of the COF structure liquid crystal screen can be widely embedded in automatic electric control equipment.

Drawings

FIG. 1 is a block diagram of an electronic control panel module of the present utility model;

FIG. 2 is a block distribution diagram of an electronic control panel according to the present utility model;

FIG. 3 is a front view of the module distribution connection of FIG. 2;

fig. 4 is a bottom view of the module distribution connection of fig. 2.

Detailed Description

The utility model is further illustrated by the following description in conjunction with the accompanying drawings and specific embodiments.

Examples: as shown in fig. 1-4, the utility model provides an internet of things electric control panel module for installing a COF structure liquid crystal screen, which comprises a COF structure touch liquid crystal screen integrally connected to an electric control panel, and a wireless communication module, a tact switch, an optocoupler isolation IO input module, an IO quantity output module, an RS485/CAN communication module and a K-type thermocouple temperature control input module which are respectively in communication connection with a dual-core OS/GUI module.

The COF structure touch liquid crystal screen comprises a touch screen, a dual-core OS\GUI module and an FPC flexible board embedded with an IC, wherein the IC is attached to a flat cable between the touch screen and a PCB main board; the COF structure touch liquid crystal screen has a human-computer interface interaction HMI interface programmable function (DGUS development platform), and an integrated circuit in the dual-core OS\GUI module has the functions of logic programming, AD data acquisition, IO input and output control and multi-channel serial port communication.

An ESP32-C3 module is arranged on the right side of the COF structure touch liquid crystal screen, circuit boards are connected to the electric control panels positioned on two sides of the ESP32-C3 module, and a first circuit board square hole and a second circuit board square hole are formed in the electric control panel corresponding to the lower part of the circuit boards; the flexible circuit part of the main chip and the circuit on the COF structure touch liquid crystal screen passes through the square hole of the first circuit board and is arranged below the circuit board, the connector part of the flexible circuit board passes through the square hole of the second circuit board and is arranged above the circuit board to be connected with the SMT connector seat, the SD card for storing information is also arranged above the square hole of the second circuit board, and the SD card is in communication connection with the dual-core OS\GUI module; compared with a connector on a flexible circuit board direct-connected panel of a conventional COF structure touch liquid crystal display, the wireless communication module and part of key switches can be installed close to the liquid crystal display, so that the area size of the panel module is effectively reduced, and the integration level of the electric control panel is improved.

The wireless communication module and the dual-core OS/GUI module are communicated through a serial port, and data interaction is carried out with the cloud platform server through a wireless network; the wireless communication module is one of a WiFi module, a BT module, an NB module and a lora module.

The touch switch comprises a 5-path key switch or a capacitive sensing touch switch, is horizontally distributed on the right side of the COF structure touch liquid crystal screen in an upper row and a lower row, and receives a key instruction of the touch switch through a keyboard scanning program operated by the dual-core OS\GUI module.

The tact switch is also connected with 10 paths of IO quantity output modules and an RS485/CAN communication module in a communication way, and the dual-core OS\GUI module controls the IO quantity output modules to drive the signal relay through a ULN2003 chip; the RS485/CAN communication module is connected to a serial port output port of the dual-core OS/GUI module, and is connected with a peripheral device with a MODEBUS communication protocol through RS485/CAN bus communication, and the peripheral device comprises a frequency converter, an HMI touch screen and a PLC control system.

An optical coupling isolation IO input module and a K-type thermocouple temperature control input module are further arranged on the electric control panel positioned on the right side of the tact switch, the optical coupling isolation IO input module is connected with a dual-core OS\GUI module to input switching value signals, and the optical coupling isolation IO input module comprises 6 paths of optical coupling isolation circuits and an isolation power supply and is connected with the input of a switching value sensor; the switching value sensor comprises a water level sensor, a door magnetic switch and an acousto-optic control switch.

And the K-type thermocouple temperature control input module is used for measuring the surface temperatures of liquid steam, gas medium and solid in the range of-200-1300 ℃ in various production. The voltage difference of the sampling thermocouple is filtered and amplified by an LM385 operational amplifier, and is input into an AD input IO port of a dual-core OS\GUI module, analog-to-digital conversion is carried out, and the measured data is displayed on a liquid crystal screen and uploaded to a cloud server.

The COF structure touch liquid crystal screen is also connected with a local monitoring terminal through wireless network or Bluetooth communication, and performs man-machine interaction through an APP or an online webpage; the local monitoring terminal comprises a tablet personal computer, an industrial computer and a local server.

According to the utility model, the flexible circuit of the COF structure touch liquid crystal screen is reasonably distributed, so that the wireless communication module and part of key switches can be installed close to the liquid crystal screen, the problems that the key switches cannot be installed and the integration degree is low in the conventional COF structure liquid crystal screen are solved, the area size of the control circuit module is reduced, the reliability, stability and anti-interference performance of the module are improved, and the running cost of enterprises is greatly reduced.

According to the utility model, logic control and cloud-climbing electronic control IOT functions are realized by arranging the high-integration module comprising the COF structure touch liquid crystal screen, so that the IOT electronic control panel module of the COF structure liquid crystal screen can be widely embedded in automatic electronic control equipment, including IOT functions of equipment such as medical instrument monitoring, power monitoring, forest fire prevention monitoring, building energy saving and automatic control, intelligent communities/parks, intelligent home and the like; the cloud platform server is accessed to the electric control equipment, the state data are interactively monitored in real time, and the functions of the user, such as the use of the mobile terminal and the local monitoring terminal for the real-time remote monitoring of the electric control equipment, the adjustment of the start and stop of the electric control equipment, the parameter setting, the adjustment of the real-time group control strategy and the like are realized.

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. An electronic control panel module of thing networking of installation COF structure LCD screen, its characterized in that: the COF structure touch liquid crystal display comprises a touch screen, a dual-core OS\GUI module and an FPC flexible board embedded with an IC, wherein the COF structure touch liquid crystal display is arranged on an electric control panel, and the IC is attached to a flat cable between the touch screen and a PCB main board; an ESP32-C3 module is arranged on the right side of the COF structure touch liquid crystal screen, circuit boards are connected to the electric control panels positioned on two sides of the ESP32-C3 module, and a first circuit board square hole and a second circuit board square hole are formed in the electric control panel corresponding to the lower part of the circuit boards; the flexible circuit part of the main chip and the circuit on the COF structure touch liquid crystal screen passes through the square hole of the first circuit board and is arranged below the circuit board, and the connector part of the flexible circuit board passes through the square hole of the second circuit board and is arranged above the circuit board to be connected with the SMT connector seat;

2. The internet of things electric control panel module for installing a COF structure liquid crystal screen according to claim 1, wherein: the touch switch is provided with 5 paths and is horizontally distributed on the right side of the COF structure touch liquid crystal screen in an upper row and a lower row, and the dual-core OS\GUI module receives a key instruction of the touch switch by running a keyboard scanning program; the touch switch is also connected with 10 paths of IO quantity output modules and an RS485/CAN communication module in a communication way, the dual-core OS/GUI module controls the IO quantity output module to drive the signal relay through a ULN2003 chip, and the RS485/CAN communication module is connected to a serial port output port of the dual-core OS/GUI module; and an optical coupling isolation IO input module and a K-type thermocouple temperature control input module are further arranged on the electric control panel positioned on the right side of the tact switch, the optical coupling isolation IO input module is connected with the dual-core OS\GUI module to input switching value signals, and the K-type thermocouple temperature control input module is connected with the dual-core OS\GUI module to input IO port AD to upload measurement data.

3. The internet of things electric control panel module for installing a COF structure liquid crystal screen according to claim 1 or 2, wherein: and the wireless communication module and the dual-core OS/GUI module are communicated through a serial port, and data interaction is carried out with the cloud platform server through a wireless network.

4. The internet of things electric control panel module for installing a COF structure liquid crystal screen according to claim 3, wherein: the wireless communication module is one of a WiFi module, a BT module, an NB module and a lora module.

5. The internet of things electric control panel module for installing a COF structure liquid crystal screen according to claim 1, wherein: the RS485/CAN communication module is in communication connection with the peripheral equipment with MODEBUS communication protocol through an RS485/CAN bus, and the peripheral equipment comprises a frequency converter, an HMI touch screen and a PLC control system.

6. The internet of things electric control panel module for installing a COF structure liquid crystal screen according to claim 1, wherein: the optocoupler isolation IO input module comprises 6 paths of optocoupler isolation circuits and an isolation power supply, and is connected with the input of the switching value sensor; the switching value sensor comprises a water level sensor, a door magnetic switch and an acousto-optic control switch.

7. The internet of things electric control panel module for installing a COF structure liquid crystal screen according to claim 1, wherein: the COF structure touch liquid crystal screen is connected with a local monitoring terminal through wireless network or Bluetooth communication, and performs man-machine interaction through an APP or an online webpage; the local monitoring terminal comprises a tablet personal computer, an industrial computer and a local server.