CN211892155U

CN211892155U - Punching machine state monitoring system

Info

Publication number: CN211892155U
Application number: CN202020213726.4U
Authority: CN
Inventors: 何川
Original assignee: Zhejiang Technical Institute of Economics
Current assignee: Zhejiang Technical Institute of Economics
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-11-10
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a punching machine state monitoring system, including three current transformer, based on STM32 series embedded system's controller, LCD display screen and display terminal. The controller based on the STM32 series embedded system is respectively and electrically connected with the three current transformers and the LCD display screen, and the controller based on the STM32 series embedded system is in communication connection with the display terminal; the three current transformers are respectively sleeved on a 380V three-phase power supply line of the punch. The utility model provides a monitored control system can let the real-time remote monitoring equipment production status information of production management personnel, is favorable to controlling the production progress, and lifting means utilizes the rate, reduces the unit and produces the value energy consumption. The system has the advantages of simple structure, low cost, convenience in field installation and debugging, accurate record, stable operation and capability of realizing cloud sharing of equipment state data.

Description

Punching machine state monitoring system

Technical Field

The utility model relates to an information acquisition field especially relates to punching machine state monitoring system.

Background

The punching machine drives the flywheel through the motor, and drives the crank connecting rod mechanism to enable the sliding block to move up and down through the clutch, so as to drive the drawing die to form the steel plate. The punching machine is also called as a punch press and is widely applied to the field of machining.

In order to improve the use efficiency of the punching machine and reduce the energy consumption, the production state of the punching machine needs to be finely managed to control the production progress, and the working state of the punching machine, such as the accumulated use time, the utilization rate, the energy consumption data, the yield data, the unit yield energy consumption data and other information, is monitored in real time. Most stamping machines do not have corresponding equipment state acquisition systems to obtain real-time information, and the real-time information is recorded, summarized, analyzed and maintained by manual work. Under this kind of management state, the managerial efficiency is low, and data record, statistics are inaccurate, and data lag is serious, can't know punching machine production site state in real time, is unfavorable for controlling the production progress, is unfavorable for reducing the unit output value energy consumption, is unfavorable for lifting means utilization, influences the improvement of the continuous improvement and the improvement of production efficiency of production process. Some existing punching machine state monitoring devices adopt a large number of sensors and plc control systems to achieve punching machine state collection, are complex in structure and high in cost, and are not beneficial to large-scale application of punching machine state monitoring. Therefore, it is necessary to design a punching machine state monitoring system which has a simple structure, low cost, convenient field installation and debugging, accurate record, stable operation and capability of realizing cloud sharing of equipment state data.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a simple structure, low cost, on-the-spot installation and debugging are convenient, the record is accurate, the punching machine state monitoring system that moves stably.

The utility model discloses a solution is: a state monitoring system of a punching machine comprises three current transformers, a controller based on an STM32 series embedded system, an LCD display screen and a display terminal. The controller based on the STM32 series embedded system is respectively connected with the three current transformers and the LCD display screen through I/O interfaces, and the controller based on the STM32 series embedded system is in communication connection with a display terminal; the three current transformers are respectively sleeved on a 380V three-phase power supply line of the punch.

Further, the system further comprises a serial port-to-WiFi module, a wireless router and a cloud platform, wherein the serial port-to-WiFi module is respectively electrically connected with the controller and the wireless router based on the STM32 series embedded system, the wireless router is connected with the cloud platform through a broadband, and the display terminal accesses the cloud platform through the Ethernet, so that cloud sharing of the state data of the equipment is realized.

Further, the display terminal comprises a smart phone and a computer.

Further, the serial port-to-WiFi module is an ATK-ESP8266 module.

Further, the cloud platform is a public cloud server disposed on the Ali cloud.

The beneficial effects of the utility model reside in that, this system can gather the current information of punching machine through the current transformer who installs on the punching machine motor power supply line, makes the production manager can obtain the state information of punching machine in real time, including accumulation live time, utilization rate, energy consumption data, output data and unit output energy consumption data etc.. Production progress can be effectively controlled through the yield data, production beats of each link can be regulated and controlled, and production efficiency is improved; through the monitoring and analysis of the accumulated service life, the equipment utilization rate, the energy consumption data and the energy consumption data of unit yield, the standby time can be reduced, the equipment utilization rate is improved, the energy consumption of unit yield is reduced, and the cost and the efficiency are reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Wherein, 1 is the punching machine, 2 is first current transformer, 3 is second current transformer, 4 is third current transformer, 5 is the controller based on STM32 series embedded system, 6 is the LCD display screen, 7 is serial ports change wiFi module, 8 is wireless router, 9 is the cloud platform, 10 is display terminal.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and embodiments:

as shown in fig. 1, the utility model discloses punching machine state monitoring system, including three current transformer: the system comprises a first current transformer 2, a second current transformer 3 and a third current transformer 4, wherein the first current transformer, the second current transformer and the third current transformer are based on a controller 5, an LCD display screen 6, a serial port-to-WiFi module 7, a wireless router 8, a cloud platform 9 and a display terminal 10 of an STM32 series embedded system; three current transformer overlaps respectively and locates on punching machine 380V three-phase power supply line, controller 5 based on STM32 series embedded system respectively with three current transformer, LCD display screen 6 electricity is connected, serial ports change wiFi module 7 respectively with controller 5 based on STM32 series embedded system, wireless router 8 electricity is connected, wireless router 8 links to each other through broadband and cloud platform 9, display terminal 10 passes through ethernet and visits cloud platform 9, the realization is based on controller 5 and the communication connection of display terminal 10 of STM32 series embedded system. The display terminal 10 includes a smart phone, a computer, and the like. Preferably, the serial port-to-WiFi module 7 is an ATK-ESP8266 module, and the three current transformers and the LCD display screen 6 are respectively connected with the controller 5 based on an STM32 series embedded system through I/O interfaces. In addition, the cloud platform 9 may employ a public cloud server disposed on the airy cloud.

The utility model discloses a punching machine state monitoring system during operation, the electric current of three current transformer real-time supervision punching machine 1 to output 0 ~ 5V signal and give controller 5 based on STM32 series embedded system. The controller 5 based on STM32 series embedded system collects current signal and calculates, analyzes and counts to obtain information such as cumulative service time, utilization rate, energy consumption data, production data and unit production energy consumption data of the stamping machine 1, wherein the cumulative service time

t_i＞iaIndicating the time when the detected current i is greater than ia. ia represents a current threshold value when a motor of the device is in idle, and when i is larger than ia, the device is in idle or stamping operation. Utilization rate

Where T represents the cumulative time of use, T_i＞ibIndicating the time when the detected current i is greater than ib. ib represents a current threshold value of the device at the time of punching, and when i is larger than ib, the device is in punching operation. The cumulative energy consumption W is 1.732 × U × I × COS Φ, where U is the line voltage, I is the line current, and COS Φ is the power factor. Yield n characterizes yield by an algorithm that determines the number of times i is greater than ib, and therefore,energy consumption per unit of output

The controller 5 based on the STM32 series embedded system obtains the information and then displays the information on the LCD display screen 6 in real time, and simultaneously sends the information to the cloud platform 9 through the serial port-to-WiFi module 7 and the wireless router 8. The manager accesses the cloud platform through the display terminal 10 to obtain real-time and statistical information of the state of the punching machine, so that production is guided, production efficiency is improved, and production cost is reduced. The utility model discloses a punching machine state monitoring system has effectively realized the control of managers to punching machine state.

Claims

1. The system for monitoring the state of the punching machine is characterized by comprising three current transformers, a controller (5) based on an STM32 series embedded system, an LCD display screen (6) and a display terminal (10); the controller (5) based on the STM32 series embedded system is respectively connected with the three current transformers and the LCD display screen (6) through I/O interfaces, and the controller (5) based on the STM32 series embedded system is in communication connection with the display terminal (10); the three current transformers are respectively sleeved on a 380V three-phase power supply line of the punch.

2. The system for monitoring the state of the punching machine according to claim 1, characterized in that the system further comprises a serial-to-WiFi module (7), a wireless router (8) and a cloud platform (9), wherein the serial-to-WiFi module (7) is electrically connected with the controller (5) and the wireless router (8) based on an STM32 series embedded system respectively, the wireless router (8) is connected with the cloud platform (9) through a broadband, and the display terminal (10) accesses the cloud platform (9) through the Ethernet.

3. The press machine condition monitoring system according to claim 2, wherein the display terminal (10) includes a smartphone and a computer.

4. A press machine condition monitoring system according to claim 2, characterized in that the serial to WiFi module (7) is an ATK-ESP8266 module.

5. The press machine condition monitoring system according to claim 2, wherein the cloud platform (9) is a public cloud server arranged on the Alice cloud.