CN207424641U

CN207424641U - A kind of Intelligent energy-saving air compression station centralized monitoring system

Info

Publication number: CN207424641U
Application number: CN201721346599.XU
Authority: CN
Inventors: 周明君
Original assignee: Shanghai Hua Chang Mechanical And Electrical Engineering Technology Co Ltd
Current assignee: Shanghai Hua Chang Mechanical And Electrical Engineering Technology Co Ltd
Priority date: 2017-10-19
Filing date: 2017-10-19
Publication date: 2018-05-29
Anticipated expiration: 2027-10-19

Abstract

The utility model is related to Control for Air Compression Station technical fields, especially a kind of Intelligent energy-saving air compression station centralized monitoring system, including PLC control cabinet, breaker, Switching Power Supply, PLC controller, remote communication module, contactor, electrothermal relay, intermediate relay and voltage-stablizer are provided in the PLC control cabinet, breaker, Switching Power Supply, remote communication module, contactor, electrothermal relay, intermediate relay and voltage-stablizer are all connected with PLC controller, and PLC controller connects host computer server with remote communication module by DP or Ethernet.The utility model advantageous effect：For the utility model PLC controller by the connection of communication modes, the effective operation for controlling air compression station operates and the energy saving real-time data of monitoring, is conveniently operated the data that work passes through on host computer screen and monitors in real time.

Description

A kind of Intelligent energy-saving air compression station centralized monitoring system

Technical field

The utility model is related to Control for Air Compression Station technical field, especially a kind of Intelligent energy-saving air compression station Centralized Monitoring system System.

Background technology

With the development of computer technology, digital communication technology, control technology and microelectric technique, factory power equipment And the monitoring of more and more environmental control equipments is also gradually integrated, is integrated into an automated system in various building In, so as to form a highly integrated, harmonious interaction, there is the automation of unified operation interface and " high iq " at interface to concentrate Monitoring system is that the user of factory builds one to realize the overall monitor of factory power equipment and the environment of plant and management Comfortably, safety, economy, efficient, easily work living environment, and pass through and optimize equipment operation and management, reduce manpower and drop Low running cost.

Existing factory is commonly present the multi-point and wide-ranging situation of power-equipment (station), such as air compression station, refrigeration station, circulating pump room Energy-saving powers station is waited, plant produced compressed air, technical cooling recirculated water, central air-conditioning cold and hot water source etc. are provided. With the continuous enlarging upgrading of factory, the monitoring content of each dynamical system is continuously increased, the number of devices and function of monitoring It is required that more and more, technical merit is higher and higher, and system becomes increasingly complex, and maintenance, operating cost are also higher and higher.Ensureing respectively In the case of not interfere with each other between a system, similarly cause subsystems and be both needed to the drawbacks of long-term someone operates operation, It is unfavorable for managing concentratedly, wastes larger human resources.

Therefore, for the above problem, it is necessary to propose a kind of Intelligent energy-saving air compression station centralized monitoring system.

Utility model content

It is insufficient present in for the above-mentioned prior art, it is empty the purpose of this utility model is to provide a kind of Intelligent energy-saving Pressure station centralized monitoring system.

A kind of Intelligent energy-saving air compression station centralized monitoring system including PLC control cabinet, is provided in the PLC control cabinet Breaker, Switching Power Supply, PLC controller, remote communication module, contactor, electrothermal relay, intermediate relay and voltage-stablizer, institute It states breaker, Switching Power Supply, remote communication module, contactor, electrothermal relay, intermediate relay and voltage-stablizer and is all connected with PLC controls Device processed, the PLC controller and remote communication module connect host computer server by DP or Ethernet.

Preferably, the PLC controller is connected with expansion module, and the expansion module includes digital quantity input module, number Word amount output module, Analog input mModule and analog output module.

Preferably, the CPU of the PLC controller uses S7-315 modules or S7-317 modules.

Preferably, the host computer server includes industrial control host, and the industrial control host connects keyboard and printer respectively.

Preferably, the industrial control host is connected respectively by RS232/485 connection intelligent controllers, the intelligent controller Signal amplifier and variable-frequency governor.

Preferably, the signal amplifier and variable-frequency governor are all connected with frequency conversion type governing belt balance.

Preferably, the breaker uses the three-phase breaker of 50A or two-phase breaker.

Preferably, the power of the Switching Power Supply is 480W, electric current 20A.

Due to the adoption of the above technical scheme, the utility model advantageous effect：The utility model PLC controller passes through communication side The connection of formula, it is effective to control the operation operation of air compression station and the energy saving real-time data of monitoring, be conveniently operated work pass through it is upper Data real time monitoring on machine screen.

Description of the drawings

Fig. 1 is the system wiring figure of the utility model；

Fig. 2 is the PLC controller CPU of the utility model and remote communication module connection diagram；

Fig. 3 is the digital quantity input module circuit diagram of the utility model；

Fig. 4 is the digital output module circuit diagram of the utility model；

Fig. 5 is the Analog input mModule circuit diagram of the utility model；

Fig. 6 is the analog output module circuit diagram of the utility model.

Specific embodiment

The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by right It is required that the multitude of different ways for limiting and covering is implemented.

Such as Fig. 1 and with reference to shown in Fig. 2 to Fig. 6, a kind of Intelligent energy-saving air compression station centralized monitoring system is controlled including PLC Cabinet is provided with breaker, Switching Power Supply, PLC controller, remote communication module, contactor, hot relay in the PLC control cabinet Device, intermediate relay and voltage-stablizer, the breaker, Switching Power Supply, remote communication module, contactor, electrothermal relay, it is intermediate after Electric appliance and voltage-stablizer are all connected with PLC controller, and the PLC controller is connected with remote communication module by DP or Ethernet Position machine server.

Further, the PLC controller is connected with expansion module, the expansion module include digital quantity input module, Digital output module, Analog input mModule and analog output module, the CPU of the PLC controller use S7-315 moulds Block or S7-317 modules.

Wherein, the host computer server includes industrial control host, and the industrial control host connects keyboard and printer respectively, institute Industrial control host is stated by RS232/485 connection intelligent controllers, the intelligent controller connects signal amplifier and frequency conversion respectively Governor.

In addition, the signal amplifier and variable-frequency governor are all connected with frequency conversion type governing belt balance, the breaker uses The three-phase breaker of 50A or two-phase breaker, the power of the Switching Power Supply is 480W, electric current 20A.

The utility model PLC controller by the connections of communication modes, the effective operation operation for controlling air compression station and Energy saving real-time data are monitored, work is conveniently operated and is monitored in real time by the data on host computer screen.

The connection of PLC controller CPU and remote communication module and the communication connection of host computer server are all that can lead to Cross DP communication modes or ethernet communication mode to connect, as shown in Figure 2.

The CPU of PLC generally selects S7-315 or 317 modules, and expansion module can generally use SM-321, and (digital quantity inputs Module)；SM-322 (digital output module)；SM-331 (Analog input mModule) and SM-322 (analog output module)； Whether SM-321 is generally used for monitoring engine operating state normal (as shown in Figure 3), SM-322 then control frequency converter start with Common electric machine run signal (as shown in Figure 4), SM-331 are generally used for monitoring current instrument signal and air compressor machine feedback signal (as shown in Figure 5), SM-332 are then used to control the real-time adjustment of the speed of service and flow speed of frequency converter air compressor machine.(such as Fig. 6 It is shown)

PLC controller software is to write control logic and monitoring data network analysis, function by Siemens S7V5.5 completions Block can use OB blocks, FC blocks, FB blocks, DB blocks etc. respectively, according to the sequencing of different requirement setting operation logics.It is and intermediate Hardware configuration be in order to distinguish the mailing address of different zones module, effectively, the reliable communication for connecting main website and slave station.

WINCC system softwares can be used to do HMI real time monitorings for Monitor Computer Control System, be usually PC/host Computer/master computer/upper computer show various signal intensities (hydraulic pressure, water level, temperature on screen Deng).Slave computer is to directly control the computer that equipment obtains status of equipment, is usually PLC/ microcontroller single chip Microcomputer/slave computer/lower computer's etc.The order that host computer is sent is first to bottom Machine, slave computer directly control relevant device further according to this command interpretation into corresponding time sequence signal.Slave computer reads equipment shape frequently State data (generally analog quantity), are converted into digital signal and feed back to host computer, effectively, reliably provided in real time for operator Data understand the current operating status of air compression station.

Different communications protocol may be employed in usual host computer and slave computer communication, can have RS232 serial communication or Person uses RS485 serial communications, and when with computer and PLC communications, the serial logical of traditional D-shaped formula not only may be employed News can also use the PROFIBUS-DP communications for the two-wire for being more suitable for Industry Control, using packaged program development tools just It can realize the communication of PLC and host computer, it is of course possible to oneself write the interface protocol control host computer and slave computer of driving class Communication.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, Every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly transported Used in other related technical areas, it is equally included in the patent within the scope of the utility model.

Claims

1. a kind of Intelligent energy-saving air compression station centralized monitoring system, it is characterised in that：Including PLC control cabinet, the PLC control cabinet Inside it is provided with breaker, Switching Power Supply, PLC controller, remote communication module, contactor, electrothermal relay, intermediate relay and steady Depressor, the breaker, Switching Power Supply, remote communication module, contactor, electrothermal relay, intermediate relay and voltage-stablizer connect PLC controller is connect, the PLC controller connects host computer server with remote communication module by DP or Ethernet.

2. a kind of Intelligent energy-saving air compression station centralized monitoring system according to claim 1, it is characterised in that：The PLC Controller is connected with expansion module, and the expansion module includes digital quantity input module, digital output module, analog input Module and analog output module.

3. a kind of Intelligent energy-saving air compression station centralized monitoring system according to claim 1, it is characterised in that：The PLC The CPU of controller uses S7-315 modules or S7-317 modules.

4. a kind of Intelligent energy-saving air compression station centralized monitoring system according to claim 1, it is characterised in that：It is described upper Machine server includes industrial control host, and the industrial control host connects keyboard and printer respectively.

5. a kind of Intelligent energy-saving air compression station centralized monitoring system according to claim 4, it is characterised in that：The industry control Host connects signal amplifier and variable-frequency governor respectively by RS232/485 connection intelligent controllers, the intelligent controller.

6. a kind of Intelligent energy-saving air compression station centralized monitoring system according to claim 5, it is characterised in that：The signal Amplifier and variable-frequency governor are all connected with frequency conversion type governing belt balance.

7. a kind of Intelligent energy-saving air compression station centralized monitoring system according to claim 1, it is characterised in that：The open circuit Device uses the three-phase breaker of 50A or two-phase breaker.

8. a kind of Intelligent energy-saving air compression station centralized monitoring system according to claim 1, it is characterised in that：The switch The power of power supply is 480W, electric current 20A.