CN112859722A - Intelligent PLC system for laboratory ventilation - Google Patents
Intelligent PLC system for laboratory ventilation Download PDFInfo
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- CN112859722A CN112859722A CN202011610234.XA CN202011610234A CN112859722A CN 112859722 A CN112859722 A CN 112859722A CN 202011610234 A CN202011610234 A CN 202011610234A CN 112859722 A CN112859722 A CN 112859722A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15028—Controller and device have several formats and protocols, select common one
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a laboratory ventilation intelligent PLC system which comprises a PC end, a Beidou positioning system, a ventilation intelligent PLC host, a field device terminal, a mobile phone end, a PLC auxiliary machine and a frequency converter, wherein the PC end is used for controlling the ventilation intelligent PLC host, and the ventilation intelligent PLC host is used for accurately calculating data, information and states of the field device terminal. The invention relates to a laboratory ventilation intelligent PLC system, which belongs to the technical field of intelligent ventilation, wherein a wireless transparent transmission mode is adopted from a field device terminal to a ventilation intelligent PLC host, so that the wire drawing is not needed, the construction progress and efficiency are improved, the point-to-point accuracy is improved, the engineering quality is effectively ensured, the Beidou positioning system is adopted, and the PC end is used for realizing remote management, debugging, operation and checking, so that the operation without contact between people and objects is realized, the debugging, operation and checking can be remotely managed without a WIFI environment, the operation without contact between people and objects is realized, and the energy-saving effect is achieved.
Description
Technical Field
The invention relates to the technical field of intelligent ventilation, in particular to an intelligent PLC system for laboratory ventilation.
Background
Ventilation is a technique that uses natural or mechanical methods to allow air to pass through, without obstruction, a room or a sealed environment, so as to create a suitable air environment for sanitation, safety, etc. The laboratory is generally provided with a ventilation system, namely a mine ventilation system form, a ventilation mode, a ventilation method, a main ventilation machine working mode, an arrangement form of an air inlet and return air shaft and a general name of a ventilation network (including ventilation facilities therein). The mine ventilation power and airflow network combined ventilation system is an organic combination of mine ventilation power and an airflow network, is an arrangement form of a mine air inlet shaft and a mine air circulation shaft, and is divided into a central type, a diagonal type and a mixed type. The ventilation mode refers to the working mode of a main ventilator and is divided into a press-in type, a draw-out type and a mixed type. The ventilation method refers to ventilation power for obtaining energy, natural ventilation and mechanical ventilation exist, the existing ventilation system is complex in structure, and operation steps are complex.
Disclosure of Invention
The invention mainly aims to provide an intelligent laboratory ventilation PLC system which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
laboratory ventilation intelligence PLC system, including PC end, big dipper positioning system, ventilation intelligence PLC host computer, field device terminal, cell-phone end, PLC auxiliary machine and converter, the PC end is used for controlling ventilation intelligence PLC host computer, ventilation intelligence PLC host computer is used for the accurate data, information and the state of working out the field device terminal, PC end and ventilation intelligence PLC host computer pass through big dipper positioning system and connect, big dipper positioning system is used for realizing remote management, debugging, operation and looking over, ventilation intelligence PLC host computer and converter pass through the PLC auxiliary machine and connect, the PLC auxiliary machine is used for influencing the frequency of converter, the PLC auxiliary machine forms two-way mutual helping outer net platform with ventilation intelligence PLC host computer.
Preferably, the mobile phone end and the ventilation intelligent PLC host are connected through an AP mode, and the AP mode is used for enabling the AP mode to realize channel frequency setting, field testing, debugging, remote management debugging, operation and checking between the mobile phone end and the ventilation intelligent PLC host under the environment without WIFI.
Preferably, the Beidou positioning system comprises a communication module, a Beidou satellite positioning module, an input module, an output module and a CPU, wherein the communication module, the Beidou satellite positioning module, the input module and the output module are all connected with the CPU, the communication module is used for receiving and generating commands of a management center, and the input module and the output module are used for outputting and inputting information.
Preferably, the communication module is a CDMA communication module or a GSM communication module.
Preferably, the connection mode of the ventilation intelligent PLC host and the field device terminal is a wireless transparent transmission mode.
Preferably, a Modbus communication protocol and MQTT service are arranged in the ventilation intelligent PLC host, the Modbus communication protocol and the MQTT service are used for forming an internal network with the field device terminal, and the Modbus communication protocol and the MQTT service are used for calculating data, information and states of the field device terminal.
Preferably, the connection mode of the ventilation intelligent PLC host and the PLC auxiliary machine is a wireless transparent transmission mode.
Compared with the prior art, the invention has the following beneficial effects:
aiming at the existing defects, a wireless transparent transmission mode is adopted from a field device terminal to a ventilation intelligent PLC host, so that the drawing is not needed, the construction progress and efficiency are improved, the point-to-point accuracy is improved, and the engineering quality is more effectively ensured, a Beidou positioning system is adopted, the PC end is used for realizing remote management, debugging, operation and checking, so that the operation without contact between people and objects is realized, under the environment without WIFI, an AP mode is started between a mobile phone end and the ventilation intelligent PLC host to realize the channel frequency setting, the field test and the debugging, the operation and the checking can be remotely managed, so that the operation without contact between people and objects is realized, the ventilation intelligent PLC host and the field device terminal can form an internal network through a Modbus communication protocol and an MQTT service, the data, the information and the state of the field device terminal are accurately calculated, so that the frequency of a frequency converter is influenced by transmitting to a, the energy-saving function is achieved, and the PLC auxiliary machine transmits information and the intelligent ventilation PLC host machine to form a bidirectional mutual-aid external network platform. The system is accurate in point stepping, accurate information is fed back, and the ventilation intelligent PLC host can be in butt joint with communication protocols of different external devices to carry out operation and management.
Drawings
Fig. 1 is a schematic flow diagram of the intelligent laboratory ventilation PLC system of the present invention.
In the figure: 1. a PC terminal; 2. a Beidou positioning system; 3. a ventilation intelligent PLC host; 4. a field device terminal; 5. a mobile phone terminal; 6. a PLC auxiliary machine; 7. a frequency converter; 8. an AP mode; 9. a Modbus communication protocol; 10. MQTT service; 11. a communication module; 12. a Beidou satellite positioning module; 13. an input module; 14. an output module; 15. a CPU.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the laboratory ventilation intelligent PLC system includes a PC end 1, a beidou positioning system 2, a ventilation intelligent PLC host 3, a field device terminal 4, a mobile phone end 5, a PLC slave 6 and a frequency converter 7, wherein the PC end 1 is used for controlling the ventilation intelligent PLC host 3, the ventilation intelligent PLC host 3 is used for accurately calculating data, information and state of the field device terminal 4, the PC end 1 and the ventilation intelligent PLC host 3 are connected through the beidou positioning system 2, the beidou positioning system 2 is used for realizing remote management, debugging, operation and viewing, the ventilation intelligent PLC host 3 and the frequency converter 7 are connected through the PLC slave 6, the PLC slave 6 is used for influencing the frequency of the frequency converter 7, and the PLC slave 6 and the ventilation intelligent PLC host 3 form a bidirectional mutual-aid extranet platform;
in this embodiment, the mobile phone terminal 5 and the ventilation intelligent PLC host 3 are connected through the AP mode 8, and the AP mode 8 is used for enabling the AP mode 8 to realize channel frequency setting, field testing, debugging, remote management debugging, operation and viewing between the mobile phone terminal 5 and the ventilation intelligent PLC host 3 in an environment without WIFI, and to realize operation without contact between a person and an object in an environment without WIFI.
In this embodiment, the beidou positioning system 2 includes a communication module 11, a beidou satellite positioning module 12, an input module 13, an output module 14 and a CPU15, the communication module 11, the beidou satellite positioning module 12, the input module 13 and the output module 14 are all connected with a CPU15, the communication module 11 is used for receiving and generating commands of a management center, and the input module 13 and the output module 14 are used for outputting and inputting information.
In this embodiment, the communication module 11 is a CDMA communication module or a GSM communication module.
In this embodiment, the connection mode of the intelligent ventilation PLC host 3 and the field device terminal 4 is a wireless transparent transmission mode, and a wireless transparent transmission mode is adopted, so that a stay wire is not needed, and the construction progress and efficiency are improved.
In this embodiment, the ventilation intelligent PLC host 3 is internally provided with a Modbus communication protocol 9 and an MQTT service 10, the Modbus communication protocol 9 and the MQTT service 10 are used for forming an internal network with the field device terminal 4, the Modbus communication protocol 9 and the MQTT service 10 are used for calculating data, information and states of the field device terminal 4, and the ventilation intelligent PLC host 3 and the field device terminal 4 can form an internal network through the Modbus communication protocol 9 and the MQTT service 10, so as to accurately calculate data, information and states of the field device terminal 4.
In this embodiment, the connection mode of the intelligent ventilation PLC host 3 and the intelligent ventilation PLC slave 6 is a wireless transparent transmission mode, and a wireless transparent transmission mode is adopted, so that a stay wire is not required, and the construction progress and efficiency are improved.
It should be noted that, the invention is a laboratory ventilation intelligent PLC system, the field device terminal 4 to the ventilation intelligent PLC host 3 adopts a wireless transparent transmission mode, the wire drawing is not needed, the construction progress and efficiency are improved, the point-to-point accuracy is improved, the engineering quality is more effectively ensured, the Beidou positioning system 2 is adopted, the PC end 1 is used for realizing remote management, debugging, operation and check, so that the operation without contact between people and objects is realized, under the WIFI environment, the AP mode 8 is started between the mobile phone end 5 and the ventilation intelligent PLC host 3 to realize the channel frequency setting, the field test and debugging, the remote management debugging, operation and check can be realized, so that the operation without contact between people and objects is realized, the ventilation intelligent PLC host 3 and the field device terminal 4 can form an internal network through the Modbus communication protocol 9 and the MQTT service 10, and the data, data and data of the field device terminal, Information and state, the ventilation intelligence PLC host computer 3 transmits the information data to the PLC auxiliary computer 6, the PLC auxiliary computer 6 and the frequency converter 7 use the language or special instruction of the same programming protocol, set the frequency value to be outputted, set up the unified station number (address) on PLC auxiliary computer 6 and the frequency converter 7 respectively, after baud rate, some relevant parameters such as data bit, when this order is transmitted to the frequency converter 7, the frequency converter 7 will be outputted according to the frequency that the order requires, thus the PLC auxiliary computer 6 influences the frequency of the frequency converter 7, the frequency of the intelligent control frequency converter 7, do not need later stage manual work to operate again, play an energy-conserving role, there is the PLC auxiliary computer 6 that transmits the information and ventilates the intelligence PLC host computer 3, form the mutual-aided extranet platform of two-way again. The system is accurate in stepping, accurate information is fed back, and the ventilation intelligent PLC host 3 can be in butt joint with communication protocols of different external devices to carry out operation and management.
Claims (7)
1. Laboratory ventilation intelligence PLC system, its characterized in that: comprises a PC end (1), a Beidou positioning system (2), a ventilation intelligent PLC host (3), a field device terminal (4), a mobile phone end (5), a PLC auxiliary machine (6) and a frequency converter (7), the PC end (1) is used for controlling the ventilation intelligent PLC host (3), the ventilation intelligent PLC host (3) is used for accurately calculating the data, information and state of the field device terminal (4), the PC end (1) is connected with the ventilation intelligent PLC host (3) through a Beidou positioning system (2), the Beidou positioning system (2) is used for realizing remote management, debugging, operation and checking, the ventilation intelligent PLC host (3) is connected with the frequency converter (7) through the PLC auxiliary machine (6), the PLC auxiliary machine (6) is used for influencing the frequency of the frequency converter (7), and the PLC auxiliary machine (6) and the ventilation intelligent PLC host (3) form a bidirectional mutual-aid external network platform.
2. The intelligent PLC system of laboratory ventilation according to claim 1, wherein: the mobile phone end (5) is connected with the ventilation intelligent PLC host (3) through the AP mode (8), and the AP mode (8) is used for enabling the AP mode (8) to realize channel frequency setting, field testing, debugging, remote management debugging, operation and checking between the mobile phone end (5) and the ventilation intelligent PLC host (3) under the environment without WIFI.
3. The intelligent PLC system of laboratory ventilation according to claim 1, wherein: big dipper positioning system (2) are including communication module (11), big dipper satellite positioning module (12), input module (13), output module (14) and CPU (15), communication module (11), big dipper satellite positioning module (12), input module (13) and output module (14) all are connected with CPU (15), communication module (11) are used for receiving and take place the command of management center, input module (13) and output module (14) are used for the output and the input of information.
4. The intelligent PLC system of laboratory ventilation according to claim 3, wherein: the communication module (11) is a CDMA communication module or a GSM communication module.
5. The intelligent PLC system of laboratory ventilation according to claim 1, wherein: the connection mode of the ventilation intelligent PLC host (3) and the field device terminal (4) is a wireless transparent transmission mode.
6. The intelligent PLC system of laboratory ventilation according to claim 1, wherein: the intelligent ventilation PLC host (3) is internally provided with a Modbus communication protocol (9) and an MQTT service (10), the Modbus communication protocol (9) and the MQTT service (10) are used for forming an internal network with a field device terminal (4), and the Modbus communication protocol (9) and the MQTT service (10) are used for calculating data, information and states of the field device terminal (4).
7. The intelligent PLC system of laboratory ventilation according to claim 1, wherein: the connection mode of the ventilation intelligent PLC host (3) and the PLC auxiliary machine (6) is a wireless transparent transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610234.XA CN112859722A (en) | 2020-12-30 | 2020-12-30 | Intelligent PLC system for laboratory ventilation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011610234.XA CN112859722A (en) | 2020-12-30 | 2020-12-30 | Intelligent PLC system for laboratory ventilation |
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| CN112859722A true CN112859722A (en) | 2021-05-28 |
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| CN202011610234.XA Pending CN112859722A (en) | 2020-12-30 | 2020-12-30 | Intelligent PLC system for laboratory ventilation |
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| CN103148007A (en) * | 2012-11-27 | 2013-06-12 | 洛阳源创电气有限公司 | Mine ventilating fan control system capable of automatically adjusting air quantity |
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Application publication date: 20210528 |
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