CN216351916U - Intelligent clean ventilation system simulation platform - Google Patents
Intelligent clean ventilation system simulation platform Download PDFInfo
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- CN216351916U CN216351916U CN202122388560.7U CN202122388560U CN216351916U CN 216351916 U CN216351916 U CN 216351916U CN 202122388560 U CN202122388560 U CN 202122388560U CN 216351916 U CN216351916 U CN 216351916U
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Abstract
The utility model belongs to the technical field of automatic control of air conditioning systems and industrial Internet of things, and discloses an intelligent clean ventilation system simulation platform which comprises a system rack, electric circuit equipment, automatic control equipment, a regulating and executing mechanism, data transmission equipment and a cloud platform. The electric circuit equipment provides stable and safe electricity utilization environment for the whole simulation platform, the automatic control equipment comprises a touch screen and a PLC module, the adjusting and executing mechanism comprises a fan frequency converter and a wind valve actuator, and the data transmission equipment comprises a switch and an internet of things gateway. The cloud platform consists of an industrial computer, a PLC (programmable logic controller), a touch screen programming module, an intelligent cloud computing module and an Internet of things data and control platform, wherein the PLC, the touch screen programming module, the intelligent cloud computing module and the Internet of things data and control platform are installed on the industrial computer. The utility model can perform abundant simulation of the control method of the clean ventilation system, not only can realize traditional control simulation of various PLCs, but also can perform intelligent control simulation of the Internet of things.
Description
Technical Field
The utility model belongs to the technical field of automatic control of air conditioning systems and industrial Internet of things, and particularly relates to an intelligent clean ventilation system simulation operation platform.
Background
Clean plants in the biopharmaceutical, semiconductor, and chip manufacturing industries have special requirements for their air conditioning systems, and the ventilation air conditioning systems used in such clean plants are called clean air conditioners (or clean air conditioners). The clean air conditioning system mainly comprises an air processing unit and a clean ventilation system. The clean ventilation system mainly comprises a fan, an air pipe, an air valve and an air supply tail end and is used for conveying clean air treated by the air treatment unit to a clean area (room) and discharging replaced air in the clean area. The normal operation of the clean ventilation system is the basis for the whole clean air conditioning system to purify the air in the clean area.
With the rapid development of the air-conditioning purification technology, the corresponding automatic control scheme is continuously upgraded, the complexity is continuously improved, and the test time and the test period required by the whole automatic control system are longer and longer. The automatic operation test of the purification and ventilation system involves the control of a large-air-volume fan and a plurality of fans, the field test difficulty is high, the cost is high, the period is long, and the automatic operation test by using a simulation bench is a more effective means. However, the existing autonomous system simulation or test bench has many defects: 1) the function is single, and only simple control program test is met; 2) a human-computer interface is not arranged on the rack, system operation data need to be checked on a computer of a control center, and modification of a control program is not facilitated on site; 3) the test bench is not provided with equipment for data interaction with the outside, real-time data cannot be transmitted to the outside, and online display and adjustment functions are omitted; 4) the transformation project cannot be simulated without new and old control logics or partitions of equipment; 5) the controlled equipment is not integrated on the rack, only parameter changes displayed by the control center can be observed during testing, or field data is needed, and the simulation result is not visual.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect of the test or simulation bench of the existing automatic control system and provide a simulation platform of an intelligent clean ventilation system. Through designing and integrating equipment such as cloud computing control center, many PLC modules and touch-sensitive screen, thing allies oneself with gateway, fan converter, blast gate executor on the rack, finally the problem among the effectual background art of solving.
In order to achieve the purpose, the utility model adopts the following technical scheme: an intelligent simulation platform for a clean ventilation system mainly comprises a system rack, electric circuit equipment, automatic control equipment, a regulating and executing mechanism, data transmission equipment and a cloud platform.
The electric circuit equipment provides a stable and safe electricity utilization environment for the whole simulation platform, provides required current and voltage for control and operation equipment on a system rack, and simultaneously ensures the stability of electric signal transmission between the equipment.
Further, the electric circuit device includes a power supply terminal, a micro circuit breaker group, a fuse group, a switching power supply, an isolation control transmitter, a first terminal bank group, a standby terminal bank group, a first intermediate relay group, and a standby intermediate relay group.
The automatic control equipment comprises a first touch screen and a first PLC module connected with the first touch screen in an interactive mode, and further comprises a second touch screen and a second PLC module, a third PLC module and a fourth PLC module which are interactive with the second touch screen. The touch screen is used for displaying the operation result of the automatic control system and can also be used for manually controlling the operation parameters of the automatic control system.
Furthermore, all PLC modules in the utility model are composed of a programmable controller and an expansion module thereof, an Ethernet module and a power module, and are used for implementing control on an adjusting and executing mechanism according to a system energy-saving operation control parameter which is obtained from a PLC and a touch screen programming module or from an Internet of things data and a control platform, thereby realizing system operation simulation. The setting of a plurality of PLC modules can enrich the simulation test range and compatibility of the system simulation platform, and simultaneously provide conditions for the simulation of the transformation project.
The adjusting and executing mechanism comprises a fan frequency converter and an air valve actuator, and in actual projects, the controlling and adjusting equipment of the clean ventilation system comprises a fan and an air valve. Therefore, the fan frequency converter is used for simulating the operation and adjustment of each fan in the clean ventilation system; the function of the air valve actuator is to simulate the opening and closing of the air valve in the clean ventilation system and the opening adjustment. And the operation control parameters of the fan frequency converter and the air valve are obtained from each PLC module.
Furthermore, the fan frequency converter comprises a first fan frequency converter, a second fan frequency converter and a third fan frequency converter, and the air valve actuator comprises a first air valve actuator, a second air valve actuator and a third air valve actuator. The first fan frequency converter, the second fan frequency converter and the third fan frequency converter can respectively simulate the operation of a fresh air fan, a blower and an exhaust fan of the clean ventilation system; the first air valve actuator, the second air valve actuator and the third air valve actuator can respectively simulate a fresh air main valve, an air supply main valve and an air exhaust main valve of a clean ventilation system.
The data transmission equipment comprises a switch and an internet of things gateway. The exchanger is used for collecting and transmitting data, the operating data of all the PLC modules are collected to the exchanger and then transmitted to the Internet of things gateway and the industrial computer through the exchanger, otherwise, the data sent by the Internet of things gateway and the industrial computer are also transmitted to all the PLC modules through the exchanger; the Internet of things gateway is connected to the switch and used for exchanging and transmitting data with the PLC module, meanwhile, the Internet of things gateway and the industrial computer are used for transmitting and exchanging data, and data interactive connection is established between the Internet of things data and the control platform in the PLC module and the industrial computer.
The cloud platform consists of an industrial computer, a PLC (programmable logic controller), a touch screen programming module, an intelligent cloud computing module and an Internet of things data and control platform, wherein the PLC, the touch screen programming module, the intelligent cloud computing module and the Internet of things data and control platform are installed on the industrial computer. The industrial computer is used as a cloud platform and supporting hardware for running of a built-in module of the cloud platform; the PLC and touch screen programming module is used for compiling programs of all PLC modules and touch screens in the simulation platform to meet control schemes and display requirements; the intelligent cloud computing module is used for calculating the fan frequency and the air valve opening degree which accord with energy-saving optimization operation according to simulation working conditions of a simulation clean ventilation system, the Internet of things data and control platform can receive adjustment transmitted by the Internet of things gateway and operation data of an executing mechanism to perform page display on the data in real time, the data are transmitted to the intelligent cloud computing module as computing input, on the other hand, the fan frequency and the air valve opening degree which accord with energy-saving optimization operation calculated by the intelligent cloud computing module are transmitted to the first PLC module through the Internet of things gateway, and then the operation control simulation of the adjustment and the executing mechanism is realized.
Compared with the prior art, the utility model has the following advantages:
1) abundant simulation of the control method of the clean ventilation system can be performed, not only can traditional control simulation of various PLCs be realized, but also intelligent control simulation of the Internet of things can be performed;
2) the system rack is provided with two human-computer interfaces, and can simultaneously display data and compile programs on the touch screen and the computer;
3) the system simulation platform realizes the function of data exchange with the outside through the Internet of things gateway, can display implementation operation data on the Internet of things data and control platform in a webpage mode, and has a remote online display function;
4) the adjusting and executing mechanism (a fan frequency converter and an air valve) is integrated on the system simulation platform rack, and the simulated operation condition of the field clean ventilation system can be intuitively restored on the rack.
Drawings
FIG. 1 is a diagram of a rack and equipment layout of an intelligent clean ventilation system simulation platform according to the present invention;
FIG. 2 is a system diagram of an intelligent clean ventilation system simulation platform according to the present invention.
Detailed Description
The technical solution of the present invention is further explained below with reference to the accompanying drawings.
An intelligent simulation platform for a clean ventilation system mainly comprises a system rack, electric circuit equipment, automatic control equipment, a regulating and executing mechanism, data transmission equipment and a cloud platform.
The main structure of the system rack 1 is a baking finish steel plate, which is divided into a plurality of groups of accommodating spaces by PVC plastic wire grooves from top to bottom, the accommodating spaces are all provided with connecting brackets (201 and 206) for fixing equipment, and the side surface of the main structure is also provided with a side bracket 207.
The electrical circuit device includes a power supply terminal 3, a micro breaker group 4, a fuse group 5, a switching power supply 6, an isolation control transmitter 7, a first terminal bank group 16, a backup terminal bank group 17, a first intermediate relay group 18, and a backup intermediate relay group 19.
The automatic control equipment comprises a first touch screen 8, a first PLC module 10, a second PLC module 11, a third PLC module 14 and a fourth PLC module 15. The touch screen is used for displaying the operation result of the automatic control system and can also be used for manually controlling the operation parameters of the automatic control system, and a touch screen program is imported from the PLC and the touch screen programming module; each PLC module consists of a programmable controller and an expansion module thereof, an Ethernet module and a power module, and is used for controlling an adjusting and executing mechanism according to a system energy-saving operation control parameter which is obtained from a PLC and a touch screen programming module or from data of the Internet of things and a control platform, so as to realize system operation simulation. The setting of a plurality of PLC modules is for enriching system simulation platform's simulation test scope and compatibility, provides the condition for the simulation of transformation project simultaneously.
The adjusting and executing mechanism comprises a first fan frequency converter 20, a second fan frequency converter 21, a third fan frequency converter 22, a first air valve actuator 23, a second air valve actuator 24 and a third air valve actuator 25. The first fan frequency converter 20, the second fan frequency converter 21 and the third fan frequency converter 22 respectively simulate the operation of a fresh air fan, a blower and an exhaust fan of a clean ventilation system; the first air valve actuator 23, the second air valve actuator 24 and the third air valve actuator 25 respectively simulate a fresh air main valve, an air supply main valve and an air exhaust main valve of a clean ventilation system.
The data transmission device comprises a switch 12 and an internet of things gateway 13. The exchanger 12 is used for collecting and transmitting data, the operation data of all PLC modules are collected to the exchanger and then transmitted to the internet of things gateway 13 and the industrial computer 26 through the exchanger 12, and the data sent by the internet of things gateway 13 and the industrial computer 26 are also transmitted to each PLC module through the exchanger 12; the internet of things gateway 13 is connected to the switch 12 and used for exchanging and transmitting data with the PLC module, and meanwhile, the internet of things gateway 13 is used for transmitting and exchanging data with the industrial computer 26 in a 4G communication mode, and data interaction connection is established between internet of things data and a control platform in the PLC module and the industrial computer 26.
The cloud platform consists of an industrial computer 26, a PLC (programmable logic controller), a touch screen programming module, an intelligent cloud computing module and an Internet of things data and control platform which are installed on the industrial computer. Wherein, the industrial computer 26 is used as a support hardware for the operation of the cloud platform and the built-in modules thereof; the PLC and touch screen programming module is used for compiling programs of all PLC modules and touch screens in the simulation platform to meet control schemes and display requirements; the intelligent cloud computing module is used for computing the fan frequency and the air valve opening degree which accord with energy-saving optimized operation according to the simulation working condition of the simulated clean ventilation system and outputting the computing result; thing networking data and control platform can accept that thing allies oneself with gateway 13 carries out the page display with data in real time through 4G signal transmission's regulation and actuating mechanism's operational data, transmits simultaneously for intelligent cloud computing module as calculating the input, and on the other hand transmits the fan frequency and the air valve opening data that accord with energy-conserving optimization operation that intelligent cloud computing module calculated for first PLC module 10 through thing allies oneself with gateway 13, realizes then that regulation and actuating mechanism's operation control simulate.
The system gantry 1 has a top-down arrangement of the specific equipment: a first connecting frame 201 is arranged on the bottom plate of the first group of containing spaces at the uppermost end, and a power supply terminal 3, a miniature circuit breaker group 4, a fuse group 5, a switching power supply 6 and an isolation control transmitter 7 are sequentially fixed on the first connecting frame 201 from left to right; below, in the second group of containing spaces, a first touch screen 8 and a second touch screen 9 are fixedly arranged on the baking varnish steel plate in a groove manner; below, a second connecting frame 202 is installed on a bottom plate of the third group of accommodating space, and a first PLC module 10, a second PLC module 11, an exchanger 12 and an internet of things gateway 13 are sequentially fixed on the second connecting frame 202 from left to right; below, a third connecting frame 203 is arranged on a bottom plate of the fourth group of accommodating spaces, and a third PLC module 14 and a fourth PLC module 15 are sequentially fixed on the third connecting frame 203 from left to right; below, a fourth connecting frame 204 is installed on a bottom plate of the fifth group accommodating space, and a first terminal row group 16 and a first intermediate relay group 18 are sequentially fixed on the fourth connecting frame 204 from left to right; below, a fifth connecting frame 205 is installed on a bottom plate of the sixth group of accommodating space, and a standby terminal row group 17 and a standby intermediate relay group 19 are sequentially fixed on the fifth connecting frame 205 from left to right; below, a sixth connecting frame 206 is installed on a bottom plate of the seventh group of accommodating spaces, and a first fan frequency converter 20, a second fan frequency converter 21, a third fan frequency converter 22, a first air valve actuator 23, a second air valve actuator 24 and a third air valve actuator 25 are sequentially fixed on the sixth connecting frame 206 from left to right; the side bracket 207 is arranged on the side surface of the bottom of the stand, and the industrial computer 26 is arranged on the side bracket 207.
In the scheme, the adjusting and executing mechanism of the clean ventilation system is composed of the fan frequency converter and the air valve, so that the simulation of the actual operation condition of the system is completed by the adjusting and executing mechanism. Wherein, the first fan frequency converter 20, the second fan frequency converter 21 and the third fan frequency converter 22 respectively simulate a fresh air fan, a blower and an exhaust fan; the first air valve actuator 23, the second air valve actuator 24 and the third air valve actuator 25 respectively simulate a fresh air main valve, an air supply main valve and an air exhaust main valve. First fan converter 20, second fan converter 21, third fan converter 22, first blast gate executor 23, second blast gate executor 24, third blast gate executor 25 all are connected to first PLC module 10, send control signal by first PLC module 10 and control fan frequency and blast gate opening.
The specific model of the Programmable Logic Controller (PLC) in the first PLC module 10 may be siemens S7-200 SMART series, to which the first touch screen 8 is connected, and the specific model of the first touch screen 8 may be siemens SMART 700 series. At the same time, the first PLC module 10 is connected to the switch 12, and the switch 12 is then connected to the industrial computer 26. Therefore, the first touch screen 8 and the first PLC module 10 can guide a touch screen program and a PLC automatic control program into a PLC and a touch screen programming module which are arranged in the industrial computer 26, and the first touch screen 8 is used for manually controlling or the first PLC module 10 is used for automatically controlling the adjusting and executing mechanism (a fan frequency converter and an air valve), so that the system operation simulation is realized.
Further, in order to enrich the testing capability, range and compatibility of the simulation platform, besides the simulation scheme using the first PLC module 10 as a control center, the system rack 1 is further provided with a plurality of other PLC modules and related devices. Second PLC module 11, third PLC module 14 and fourth PLC module 15 all are connected to switch 12 to all be connected with second touch-sensitive screen 9 communication simultaneously. The model of the second PLC module 11 can be Siemens S7-1500 series, the model of the third PLC module 14 can be Mitsubishi Q series PLC, and the model of the fourth PLC module 15 can be Siemens S7-1200 series; the three types of PLC are all automatic controllers with stable performance and strong functions commonly used in the field of industrial control, and are representative. The second touch screen 9 is a general touch screen, is provided with the drive of various PLCs, and can be compatible with all PLC modules on the rack. The second touch screen 9, the second PLC module 11, the third PLC module 14 and the fourth PLC module 15 acquire a touch screen program and an automatic control program from the PLC and the touch screen programming module in the industrial computer 26 through the switch 12. However, none of the second PLC module 11, the third PLC module 14, and the fourth PLC module 15 is connected to the adjustment and execution mechanism (the first fan inverter 20, the second fan inverter 21, the third fan inverter 22, the first damper actuator 23, the second damper actuator 24, and the third damper actuator 25) on the system rack 1, and direct control simulation of the adjustment and execution mechanism cannot be realized.
In order to realize the intelligent operation and multifunctional simulation test of the simulation platform, the internet of things gateway 13 is connected to the switch 12, and meanwhile, the internet of things gateway 13 performs data transmission and exchange with the industrial computer 26 in a 4G communication mode. After adding thing allies oneself with gateway 13, second PLC module 11, third PLC module 14 and fourth PLC module 15 all can send control signal to thing allies oneself with gateway 13 through switch 12, then thing allies oneself with gateway 13 and sends control signal to industrial computer 26 with the mode of 4G communication, industrial computer 26 receives behind the control signal, realize control signal's outside retransmission through thing networking data and control platform, control signal feeds back to thing allies oneself with gateway 13 with the mode of 4G communication again this moment, thing allies oneself with gateway 13 and sends control signal to first PLC control module 10 downwards again, then accomplish all control and actuating mechanism's control simulation through first PLC control module 10. The technical scheme realizes the mutual communication between the second PLC module 11, the third PLC module 14, the fourth PLC module 15 and the first PLC module 10 and the indirect control of the adjusting and executing mechanism, and can successfully simulate the actual requirements of industrial modification projects, namely the newly-added PLC equipment controls the old PLC of the original system, namely the bench disclosed by the utility model has the requirements of simulating the modification project test.
Further, the cloud platform of the present invention is composed of an industrial computer 26 and its built-in LC and touch screen programming modules; an intelligent cloud computing module; the data and control platform of the Internet of things. After the cloud platform receives the operation parameters of the adjusting and executing mechanisms (the fan frequency converter and the air valve) transmitted by the first PLC module 10, firstly, intelligent calculation is carried out in the intelligent cloud computing module, the system optimization energy-saving operation parameters are obtained and then transmitted to the Internet of things data and control platform, then the cloud platform sends the energy-saving operation control parameters back to the first PLC module 10 through the Internet of things gateway 13, the first PLC module 10 controls all the adjusting and executing mechanisms, and then the intelligent energy-saving operation adjusting simulation of the clean ventilation system is realized.
Claims (5)
1. The utility model provides an intelligent clean ventilation system simulation platform which characterized in that: the system comprises a system rack, electric circuit equipment, automatic control equipment, a regulating and executing mechanism, data transmission equipment and a cloud platform;
the electrical circuit equipment provides required current and voltage for control and operation equipment on the system rack, and simultaneously ensures the stability of electrical signal transmission between the equipment;
the automatic control equipment comprises a touch screen and a PLC module;
the adjusting and executing mechanism comprises a fan frequency converter and an air valve actuator;
the data transmission equipment comprises a switch and an internet of things gateway;
the cloud platform calculates the fan frequency and the air valve opening degree which accord with energy-saving optimized operation according to the simulation working condition of the simulation clean ventilation system, and outputs the calculation result, thereby realizing the operation control simulation of the adjusting and executing mechanism.
2. The intelligent clean ventilation system simulation platform of claim 1, wherein: the adjusting and executing mechanism comprises a first fan frequency converter, a second fan frequency converter, a third fan frequency converter, a first air valve actuator, a second air valve actuator and a third air valve actuator, wherein the first fan frequency converter, the second fan frequency converter and the third fan frequency converter respectively simulate the operation of a fresh air fan, a blower and an exhaust fan of a clean ventilation system; the first air valve actuator, the second air valve actuator and the third air valve actuator respectively simulate the operation actions of a fresh air main valve, an air supply main valve and an air exhaust main valve of a clean ventilation system.
3. The intelligent clean ventilation system simulation platform of claim 1, wherein: the electric circuit equipment comprises a power supply terminal, a miniature circuit breaker group, a fuse group, a switching power supply, an isolation control transmitter, a first terminal row group, a standby terminal row group, a first intermediate relay group and a standby intermediate relay group.
4. The intelligent clean ventilation system simulation platform of claim 1, wherein: the automatic control equipment comprises a first touch screen, a first PLC module, a second touch screen, a second PLC module, a third PLC module and a fourth PLC module, wherein the second touch screen is interactive with the first PLC module.
5. The intelligent clean ventilation system simulation platform of claim 4, wherein: the specific equipment arrangement of the system rack from top to bottom is as follows: a first connecting frame is arranged on the bottom plate of the first group of accommodating space at the uppermost end, and a power supply terminal, a miniature circuit breaker group, a fuse group, a switching power supply and an isolation control transmitter are sequentially fixed on the first connecting frame from left to right; below, in the second group of containing spaces, a first touch screen 8 and a second touch screen are fixedly arranged on the baking varnish steel plate in a groove manner; a second connecting frame is arranged on a bottom plate of the third group of accommodating space, and a first PLC module, a second PLC module, a switch and an internet of things gateway are sequentially fixed on the second connecting frame from left to right; a third connecting frame is arranged on a bottom plate of the fourth group of accommodating spaces, and a third PLC module and a fourth PLC module are sequentially fixed on the third connecting frame from left to right; a fourth connecting frame is arranged on a bottom plate of the fifth group of accommodating space, and a first terminal row group and a first intermediate relay group are sequentially fixed on the fourth connecting frame from left to right; a fifth connecting frame is arranged on a bottom plate of the sixth group of accommodating space, and a standby terminal row group and a standby intermediate relay group are sequentially fixed on the fifth connecting frame from left to right; a sixth connecting frame is arranged on a bottom plate of the seventh group of accommodating spaces, and a first fan frequency converter, a second fan frequency converter, a third fan frequency converter, a first air valve actuator, a second air valve actuator and a third air valve actuator are sequentially fixed on the sixth connecting frame from left to right; the side surface of the bottom of the rack is provided with a side bracket, and the side bracket is provided with an industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122388560.7U CN216351916U (en) | 2021-09-29 | 2021-09-29 | Intelligent clean ventilation system simulation platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122388560.7U CN216351916U (en) | 2021-09-29 | 2021-09-29 | Intelligent clean ventilation system simulation platform |
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| CN216351916U true CN216351916U (en) | 2022-04-19 |
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| CN202122388560.7U Active CN216351916U (en) | 2021-09-29 | 2021-09-29 | Intelligent clean ventilation system simulation platform |
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- 2021-09-29 CN CN202122388560.7U patent/CN216351916U/en active Active
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