CN206460317U - Power set integrated automation system - Google Patents
Power set integrated automation system Download PDFInfo
- Publication number
- CN206460317U CN206460317U CN201720036128.2U CN201720036128U CN206460317U CN 206460317 U CN206460317 U CN 206460317U CN 201720036128 U CN201720036128 U CN 201720036128U CN 206460317 U CN206460317 U CN 206460317U
- Authority
- CN
- China
- Prior art keywords
- controller
- power set
- control
- integrated automation
- set integrated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The utility model provides a kind of power set integrated automation system.The power set integrated automation system includes process units, equipment key-course, Centralized Monitoring layer and data management layer, equipment key-course and the Centralized Monitoring layer is connected with the process units, the data management layer is connected with the equipment key-course and Centralized Monitoring layer, the equipment key-course includes field bus control system, the field bus control system carries out start-up and shut-down control, circuit controls in the case where Centralized Monitoring layer is authorized to the process units.Power set integrated automation system of the present utility model completes the control and management of all power set and production servicing unit using computer supervisory control system, realize the information fusion between each device control area domain, formed based on flexible and efficient production automation pattern, the association control merged between each equipment region.
Description
Technical field
The utility model is related to monitoring device field, more particularly to a kind of power set integrated automation system.
Background technology
Power set and production servicing unit quantity are more, kind is wide, and what is had also carries control system, conventional unit control
And conventional system, control isolated island and the blind area of control one by one is formd, information can not be shared.
Utility model content
In order to solve existing process units unit control, control isolated island and the blind area of control, the skill that information can not be shared are formed
Art problem, the utility model provides a kind of Fieldbus Control, and equipment key-course realizes comprehensive networking, information sharing it is dynamic
Power apparatus integrated automation system.
The power set integrated automation system that the utility model is provided includes process units, equipment key-course, concentrates prison
Layer and data management layer are controlled, equipment key-course and the Centralized Monitoring layer is connected with the process units, the data
Management level are connected with the equipment key-course and Centralized Monitoring layer, and the equipment key-course includes Fieldbus Control system
System, the field bus control system carries out start-up and shut-down control, loop in the case where Centralized Monitoring layer is authorized to the process units
Control.
In a kind of preferred embodiment for the power set integrated automation system that the utility model is provided, the production dress
Put including power set and production servicing unit, the power set and the production servicing unit with the fieldbus control
System connection processed.
In a kind of preferred embodiment for the power set integrated automation system that the utility model is provided, the production dress
Put including refrigerating plant, boiler plant, air compressing device, power distribution equipment and energy management apparatus, the field bus control system
Including refrigerating plant controller, boiler plant controller, air compressing device controller, power distribution equipment controller and energy management apparatus
Controller, the refrigerating plant controller, boiler plant controller, air compressing device controller, power distribution equipment controller and the energy
Managing device controller connects with the refrigerating plant, boiler plant, air compressing device, power distribution equipment and energy management apparatus respectively
Connect.
In a kind of preferred embodiment for the power set integrated automation system that the utility model is provided, the production dress
Putting also includes air-conditioning device, Intelligent lightening device, Cooling and Heat Source managing device, plumbing managing device and production environment management dress
Put, the field bus control system includes air conditioner controller, Intelligent lightening device controller, Cooling and Heat Source managing device control
Device processed, plumbing management Setup Controller and production environment managing device controller, the air conditioner controller, intelligent lighting
Setup Controller, Cooling and Heat Source management Setup Controller, plumbing management Setup Controller and production environment managing device controller
Manage and fill with the air-conditioning device, Intelligent lightening device, Cooling and Heat Source managing device, plumbing managing device and production environment respectively
Put connection.
It is described to concentrate prison in a kind of preferred embodiment for the power set integrated automation system that the utility model is provided
Controlling layer includes monitoring machine, control machine and engineer station, and the monitoring machine is connected with the process units and the equipment key-course,
The engineer station is connected with the monitoring machine and the control machine.
In a kind of preferred embodiment for the power set integrated automation system that the utility model is provided, the monitoring machine
Including on-line monitoring system, data collecting system, operating condition monitoring system and fault display system, the on-line monitoring system, number
It is connected respectively with the process units and the equipment key-course according to acquisition system, operating condition monitoring system and fault display system.
In a kind of preferred embodiment for the power set integrated automation system that the utility model is provided, the monitoring machine
Also include display system, the display system includes total picture, subregion picture, Process flow diaphragm, alarm screen, circuit controls dynamic
Operating mode including picture, loop rod figure, Dynamic Announce equipment working condition, flow distribution, emphasis parameter.
In a kind of preferred embodiment for the power set integrated automation system that the utility model is provided, the control machine
Including on-line control module, Project Configuration module and parameter setting module, the on-line control module, Project Configuration module and ginseng
Number setting module is separately implemented at the function of line traffic control, Project Configuration, parameter setting.
In a kind of preferred embodiment for the power set integrated automation system that the utility model is provided, the data pipe
Reason layer includes data collection module, statistical analysis module and the report generation module being sequentially connected.
In a kind of preferred embodiment for the power set integrated automation system that the utility model is provided, the data are received
Collecting module includes Technical innova- tion data collection module, production management data collection module, production equipment management Data Collection
Module.
Relative to prior art, power set integrated automation system of the present utility model has following beneficial effect：
Using FCS (field bus control system)+DCS (dcs)+intelligent communication equipment, with Ethernet
It is designed with the principle of EPA effective integration, control area is divided with relatively independent function, with control area
Correlation determine the level and degree of the system integration.From shop equipment Automated condtrol needs are adapted to, advanced technology connects
Mouth is open, and stable and reliable for performance, installation is easy to maintenance, cost performance high existing matured product and mature technology.
In equipment control aspect, based on field bus control system, with reference to industrial Ethernet technology, setting up has phase
To the device control area domain of standalone feature, whole control system is extended from the simple control mode of original equipment+controller
Into a reliable and stable networking operational environment realize, realize comprehensive networking in equipment key-course, realize it is low construction, it is low
Maintenance, high-performance, high degree of flexibility.
In terms of the production automation, whole aspect by based on the network system of equipment key-course, with reference to ethernet technology,
Data application technology, realizes the information fusion between each device control area domain, is formed with flexible and efficient production automation pattern
Based on, the association control merged between each equipment region.The production automation is to improve the stability of the quality of production, system operation
Reliability, raise labour productivity, reduction labor intensity is target, the system by system equipment and personal management scattered
The over all Integration of information, realizes the intellectuality of production activity, informationization, networking, decentralized.System is with the technology of mature and reliable
Based on, benefit is embodied with the over all Integration of system.
Power set integrated automation system completes all power set and production auxiliary dress using computer supervisory control system
The control and management put.
Power set integrated automation system mainly completes following functions：Production data acquisition, production process control, production
Scheduling and security monitoring.
Power set integrated automation system all uses computer controlled automatic, automation is reached high levels.
Control room is by each about control, the graph text information of monitoring system, it will be appreciated that production status, equipment operation condition and raw material
Consumption etc., various data of the computer to be gathered make it be automatically adjusted to optimum state as according to control device operation is carried out.
Power set integrated automation integrates automatic technology, computer technology, mechanics of communication, Display Technique
Information-based managing and control system.
Power set integrated automation system using FCS (field bus control system)+DCS (dcs)+
Intelligent communication equipment, embodies the first-class Industry Control level in the world today.
Power set integrated automation system employs bis- kinds of PROFIBUS-DP and PROFIBUS-PA, analog quantity regulation
Additionally use the redundant configuration of PROFIBUS-DP and normal signal.
Power set integrated automation system realizes the team control of multiple related systems, between such as many set air-conditioner sets, air-conditioning
Between unit and refrigeration system etc..
Power set integrated automation system has carried out centralized detecting and control to all power set and production servicing unit
Pipe, be connected to it is all carry keyholed back plate system, eliminate control isolated island, realize power set production control automation, intellectuality,
Production management digitlization, networking.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Other accompanying drawings are obtained, wherein：
Fig. 1 is the structural representation for the preferred embodiment of power set integrated automation system one that the utility model is provided；
Fig. 2 is the part of the preferred embodiment of production of cigarettes device one of the power set integrated automation system shown in Fig. 1
Structural representation；
Fig. 3 is that the structure of Centralized Monitoring one preferred embodiment of layer of the power set integrated automation system shown in Fig. 1 is shown
It is intended to.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1, Fig. 2 and Fig. 3 are referred to, wherein Fig. 1 is the power set integrated automation system one that the utility model is provided
The structural representation of preferred embodiment；Fig. 2 be the power set integrated automation system shown in Fig. 1 production of cigarettes device one compared with
The part-structure schematic diagram of good embodiment；Fig. 3 be the power set integrated automation system shown in Fig. 1 Centralized Monitoring layer one compared with
The structural representation of good embodiment.
The power set integrated automation system 1 includes process units 11, equipment key-course 12, Centralized Monitoring layer 13
And data management layer 14.Equipment key-course 12 and the Centralized Monitoring layer 13 is connected with the process units 11, described
Data management layer 14 is connected with the equipment key-course 12 and Centralized Monitoring layer 13.
The equipment key-course 12 includes field bus control system 120.The field bus control system 120 is described
Under Centralized Monitoring layer 13 is authorized, start-up and shut-down control, circuit controls are carried out to the process units 11.
The process units 11 includes power set 30 and production servicing unit 50.The power set 30 and the production
Servicing unit 50 is connected with the field bus control system 120.
The process units 11 includes refrigerating plant 110, boiler plant 111, air compressing device 112, power distribution equipment 113, energy
Source control device 114, air-conditioning device 115, Intelligent lightening device 116, Cooling and Heat Source managing device 117, plumbing managing device 118
And production environment managing device 119.The field bus control system 120 includes refrigerating plant controller 200, boiler plant control
Device 201 processed, air compressing device controller 202, power distribution equipment controller 203, energy management apparatus controller 204, air-conditioning device control
Device 205 processed, Intelligent lightening device controller 206, Cooling and Heat Source management Setup Controller 207, plumbing management Setup Controller 208
And production environment managing device controller 209.The refrigerating plant controller 200, boiler plant controller 201, air compressing device
Controller 202, power distribution equipment controller 203, energy management apparatus controller 204, air conditioner controller 205, intelligent lighting
Setup Controller 206, Cooling and Heat Source management Setup Controller 207, plumbing management Setup Controller 208 and production environment management dress
Put controller 209 respectively with the refrigerating plant 110, boiler plant 111, air compressing device 112, power distribution equipment 113, can source capsule
Manage device 114, air-conditioning device 115, Intelligent lightening device 116, Cooling and Heat Source managing device 117, plumbing managing device 118 and life
Production environmental management device 119 is connected.
The Centralized Monitoring layer 13 includes monitoring machine 131, control machine 132, engineer station 133 and display system 134.Institute
State monitoring machine 131 to be connected with the process units 11 and the equipment key-course 12, the engineer station 133 and the monitoring machine
131 and the control machine 132 connect.The display system 134 is connected with the monitoring machine 131, control machine 132 respectively, is located at
The engineer station 133.
The monitoring machine 131 include on-line monitoring system 1311, data collecting system 1312, operating condition monitoring system 1313 and
Fault display system 1314.The on-line monitoring system 1311, data collecting system 1312, operating condition monitoring system 1313 and failure
Display system 1314 is connected with the process units 11 and the equipment key-course 12 respectively.
The display system 134 includes total picture, subregion picture, Process flow diaphragm, alarm screen, circuit controls dynamic picture
Operating mode including face, loop rod figure, Dynamic Announce equipment working condition, flow distribution, emphasis parameter.
The control machine 132 includes on-line control module 1321, Project Configuration module 1322 and parameter setting module 1323.
The on-line control module 1321, Project Configuration module 1322 and parameter setting module 1323 are separately implemented at line traffic control, engineering
Configuration, the function of parameter setting.
The data management layer 14 includes data collection module 141, statistical analysis module 142 and the form life being sequentially connected
Into module 143.
The data collection module 141 includes Technical innova- tion data collection module 1411, production management Data Collection
Module 1412, production equipment management data collection module 1413.
Power set integrated automation system 1 of the present utility model has following beneficial effect：
Using FCS (field bus control system 120)+DCS (dcs)+intelligent communication equipment, with
Too net and the principle of EPA effective integration is designed, and control area is divided with relatively independent function, to control
The correlation in region determines the level and degree of the system integration.From shop equipment Automated condtrol needs are adapted to, technology is first
Enter, interface opening is stable and reliable for performance, and installation is easy to maintenance, cost performance high existing matured product and mature technology.
In equipment control aspect, based on field bus control system 120, with reference to industrial Ethernet technology, tool is set up
There is the device control area domain of relatively independent function, by whole control system from the simple control mode of original equipment+controller
Extend in a reliable and stable networking operational environment and realize, realize comprehensive networking in equipment key-course, realize low apply
Work, low-maintenance, high-performance, high degree of flexibility.
In terms of the production automation, whole aspect is by based on the network system of equipment key-course 12, with reference to Ethernet skill
Art, data application technology, realize the information fusion between each device control area domain, are formed with flexible and efficient production automation mould
Based on formula, the association control merged between each equipment region.The production automation is to improve the stability of the quality of production, and system is transported
Capable reliability, raises labour productivity, and reduction labor intensity is target, is by system equipment and disperseing for personal management
The over all Integration for information of uniting, realizes the intellectuality of production activity, informationization, networking, decentralized.System is with the skill of mature and reliable
Based on art, benefit is embodied with the over all Integration of system.
Power set integrated automation system 1 completes all power set 30 using computer supervisory control system and production is aided in
The control and management of device 50.
Power set integrated automation system 1 mainly completes following functions：Production data acquisition, production process control, life
Production scheduling and security monitoring.
Power set integrated automation system 1 all uses computer controlled automatic, automation is reached high levels.
Control room is by each about control, the graph text information of monitoring system, it will be appreciated that production status, equipment operation condition and raw material
Consumption etc., various data of the computer to be gathered make it be automatically adjusted to optimum state as according to control device operation is carried out.
Power set integrated automation 1 is to integrate automatic technology, computer technology, mechanics of communication, Display Technique
Information-based managing and control system.
Power set integrated automation system 1 is using FCS (field bus control system 120)+DCS (distributed AC servo system systems
System)+intelligent communication equipment, embodies the first-class Industry Control level in the world today.
Power set integrated automation system 1 employs bis- kinds of PROFIBUS-DP and PROFIBUS-PA, analog quantity regulation
Additionally use the redundant configuration of PROFIBUS-DP and normal signal.
Power set integrated automation system 1 realizes the team control of multiple related systems, between such as many set air-conditioner sets, air-conditioning
Between unit and refrigeration system etc..
All power set 30 of 1 pair of power set integrated automation system and production servicing unit 50 have carried out concentrating inspection
Survey and keyholed back plate, be connected to it is all carry keyholed back plate system, eliminate control isolated island, realize power set production control automation,
Intellectuality, production management digitlization, networking.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of power set integrated automation system, it is characterised in that including process units, equipment key-course, Centralized Monitoring
Layer and data management layer, equipment key-course and the Centralized Monitoring layer are connected with the process units, the data pipe
Reason layer is connected with the equipment key-course and Centralized Monitoring layer, and the equipment key-course includes field bus control system,
The field bus control system carries out start-up and shut-down control, loop to the process units and controlled in the case where Centralized Monitoring layer is authorized
System.
2. power set integrated automation system according to claim 1, it is characterised in that the process units includes dynamic
Power apparatus and production servicing unit, the power set and the production servicing unit connect with the field bus control system
Connect.
3. power set integrated automation system according to claim 1, it is characterised in that the process units includes system
Device for cooling, boiler plant, air compressing device, power distribution equipment and energy management apparatus, the field bus control system include refrigeration
Setup Controller, boiler plant controller, air compressing device controller, power distribution equipment controller and energy management apparatus controller,
The refrigerating plant controller, boiler plant controller, air compressing device controller, power distribution equipment controller and energy management apparatus
Controller is connected with the refrigerating plant, boiler plant, air compressing device, power distribution equipment and energy management apparatus respectively.
4. power set integrated automation system according to claim 1, it is characterised in that the process units also includes
Air-conditioning device, Intelligent lightening device, Cooling and Heat Source managing device, plumbing managing device and production environment managing device, it is described existing
Field bus control system includes air conditioner controller, Intelligent lightening device controller, Cooling and Heat Source management Setup Controller, discharge
Water management Setup Controller and production environment managing device controller, the air conditioner controller, Intelligent lightening device control
Device, Cooling and Heat Source management Setup Controller, plumbing management Setup Controller and production environment managing device controller respectively with institute
State air-conditioning device, Intelligent lightening device, Cooling and Heat Source managing device, plumbing managing device and the connection of production environment managing device.
5. power set integrated automation system according to claim 1, it is characterised in that the Centralized Monitoring layer includes
Monitoring machine, control machine and engineer station, the monitoring machine are connected with the process units and the equipment key-course, the engineering
Monitoring machine described in Shi Zhanyu and control machine connection.
6. power set integrated automation system according to claim 5, it is characterised in that the monitoring machine includes online
Monitoring system, data collecting system, operating condition monitoring system and fault display system, the on-line monitoring system, data acquisition system
System, operating condition monitoring system and fault display system are connected with the process units and the equipment key-course respectively.
7. power set integrated automation system according to claim 5, it is characterised in that the monitoring machine also includes aobvious
Show system, the display system includes total picture, subregion picture, Process flow diaphragm, alarm screen, circuit controls dynamic menu, returned
Operating mode including road rod figure, Dynamic Announce equipment working condition, flow distribution, emphasis parameter.
8. power set integrated automation system according to claim 5, it is characterised in that the control machine includes online
Control module, Project Configuration module and parameter setting module, the on-line control module, Project Configuration module and parameter setting mould
Block is separately implemented at the function of line traffic control, Project Configuration, parameter setting.
9. power set integrated automation system according to claim 1, it is characterised in that the data management layer includes
Data collection module, statistical analysis module and the report generation module being sequentially connected.
10. power set integrated automation system according to claim 9, it is characterised in that the data collection module
Including Technical innova- tion data collection module, production management data collection module, production equipment management data collection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036128.2U CN206460317U (en) | 2017-01-12 | 2017-01-12 | Power set integrated automation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036128.2U CN206460317U (en) | 2017-01-12 | 2017-01-12 | Power set integrated automation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460317U true CN206460317U (en) | 2017-09-01 |
Family
ID=59698787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036128.2U Expired - Fee Related CN206460317U (en) | 2017-01-12 | 2017-01-12 | Power set integrated automation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112286155A (en) * | 2020-10-30 | 2021-01-29 | 陕西大唐高科机电科技有限公司 | Electromechanical device operating system and method based on network |
-
2017
- 2017-01-12 CN CN201720036128.2U patent/CN206460317U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112286155A (en) * | 2020-10-30 | 2021-01-29 | 陕西大唐高科机电科技有限公司 | Electromechanical device operating system and method based on network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112394697A (en) | Railway station building equipment monitoring and energy management system, program and storage medium | |
| CN108510100A (en) | A kind of energy optimization management implementation method of the intelligent building based on correlation rule | |
| CN102997380B (en) | Energy-saving control device for central air-conditioning system | |
| CN105629864A (en) | Energy consumption monitoring application system and energy consumption monitoring method | |
| CN106020036A (en) | Smart energy management system and method | |
| CN201377875Y (en) | Visual monitoring system for evaporative cooling air conditioner | |
| CN102393716A (en) | Energy-saving building monitoring system based on wireless sensing network | |
| CN206460317U (en) | Power set integrated automation system | |
| CN203533800U (en) | Fuzzy control system of central air conditioner | |
| CN204513705U (en) | A kind of constant temperature and humidity dust proof workshop central air conditioning system of high energy efficiency | |
| CN204945778U (en) | A kind of pig machine production line automatic control system | |
| CN102393713A (en) | Integrated intelligent energy-saving dynamic optimization central control system for buildings | |
| CN211526662U (en) | Subway station ventilation air conditioner economizer system based on load prediction | |
| CN102541014B (en) | Thermotechnical electrical integrated control system for thermal power plant | |
| CN206460318U (en) | Power set centralized monitoring system | |
| CN203930449U (en) | A kind of monitoring air-conditioner based on distributed power generation and apply its air-conditioning system | |
| CN107166682B (en) | A kind of cold source of air conditioning control system based on intelligent module | |
| CN203533790U (en) | Fuzzy control system of cooling water device of central air conditioner | |
| CN205692007U (en) | Wisdom energy management system | |
| CN113189912B (en) | On-line monitoring and controlling system for workshop equipment energy | |
| CN207020478U (en) | A kind of equipment monitoring system based on hardware redundancy | |
| CN114909781A (en) | Building equipment intelligent group control system based on windows | |
| CN114997432A (en) | Garden operation and maintenance management method, device, controller and management system | |
| CN107036231A (en) | Cooling tower intelligent energy-saving control method in central air-conditioning monitoring system | |
| CN205860351U (en) | Central air-conditioning based on dcs controls device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20180112 |