CN112068474A - Building control integrated system - Google Patents
Building control integrated system Download PDFInfo
- Publication number
- CN112068474A CN112068474A CN202010983411.2A CN202010983411A CN112068474A CN 112068474 A CN112068474 A CN 112068474A CN 202010983411 A CN202010983411 A CN 202010983411A CN 112068474 A CN112068474 A CN 112068474A
- Authority
- CN
- China
- Prior art keywords
- water
- regional
- air
- building
- networking router
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 230000006855 networking Effects 0.000 claims abstract description 26
- 230000010354 integration Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 12
- 238000004378 air conditioning Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 7
- 238000007726 management method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- 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
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a building control integrated system; it is characterized in that; the system comprises an industrial control host, a system server, a firewall, a regional first IP networking router, a regional second IP networking router, a network controller, a collector serial port and an IP type intelligent control unit; the industrial control hosts are in multiple groups and are communicated with the system server, the regional first IP networking router and the regional second IP networking router through IP networks; the first IP networking router and the second IP networking router in the area are connected with the collector serial port and the IP type intelligent control unit. The system can realize linkage with other building subsystems; can be simultaneously comprehensively controlled with an air conditioner, fresh air, heat energy, water supply and drainage and an illumination system in a building to realize linkage.
Description
Technical Field
The invention relates to the field of building control, in particular to a building control integrated system.
Background
Intelligent buildings are also called intelligent buildings and intelligent mansions; the intelligent building is a modern novel building which integrates advanced scientific technologies in various aspects such as building technology, communication technology, computer technology, control technology and the like into an optimized whole, has the characteristics of reasonable engineering investment, high automation of equipment, scientific information management, high-efficiency and high-quality service, flexible and convenient use, safe and comfortable environment and the like, and can meet the development requirement of an information-based society.
Through search and discovery, the invention of application number CN201410759871.1 discloses an intelligent building control system, which comprises: the central controller, with each electrical equipment of central controller through network connection, each electrical equipment all integrates electrical equipment controlling means, electrical equipment controlling means all includes: the control device comprises a main control module, a control circuit electrically connected with the main control module, a sensor module, a switch control module, a network interface module and a storage module, wherein each electrical device is connected with the central controller through the network interface module in a control device of the electrical device.
The invention with application number CN201610635344.9 discloses a building control system capable of being remotely controlled, which comprises a central management server, a building entrance guard, a wireless communication device and a plurality of clients, wherein the central management server realizes information interaction change with the clients through the wireless communication device, so that the opening action of the building entrance guard is controlled; the client comprises basic information of a user owner, visit records, question feedback and response confirmation; the basic information of the householder comprises personal information data of the householder, and the basic information of the householder and the information record in the central management server are changed interactively; the visit record comprises a record of dialing visit information through the entrance guard; problem feedback includes problems, dissatisfaction and other help needs encountered by the homeowner; the response confirmation includes the response selection made by the user after receiving the dialing information. The building control system can realize a remote control function, is accurate, high in safety, convenient and efficient.
The invention relates to a building control system with application number CN201910462132.9, which comprises a control host, a light guide module and a reflection module, wherein the light guide module and the reflection module are positioned on the top of a building; wherein the light guide module is adapted to guide sunlight into the reflection module; the control host establishes a three-dimensional model suitable for lighting control of the area to be lighted, and controls the light reflection element matrix in the reflection module to carry out angle deviation according to the deviation angle matrix by combining the fed back deviation angle matrix.
In a building, a plurality of building electrical devices are distributed, including an air conditioning cold and heat source system, an air conditioning system, a high-low voltage power distribution system, a lighting system, a generator set, a standby power supply system, an elevator, a water supply and drainage system, a ventilation system and the like. The intelligent building control system is one of the most important electrical systems for building or rebuilding high-level buildings. The existing intelligent building control system is mainly constructed on the basis of building electrical equipment. According to the construction mode of the intelligent building, the construction of the building electrical system and the intelligent management system of the electrical equipment are separated, and the building is designed and constructed by different units. For example, an intelligent management system of a central air conditioner is to install a sensor, an actuating mechanism, a controller, a line and the like on an established central air conditioning system and then carry out debugging operation. The construction mode is long in period and large in construction investment, and due to the fact that the intelligent building control system and an air conditioning equipment manufacturer lack sufficient communication, the level of the system integration manufacturer is uneven, and the like, working programs, operation modes and the like of the intelligent building control system for the electrical equipment are difficult to achieve the optimal operation state of the electrical equipment.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a building control integrated system; the system can realize linkage with other building subsystems, and can realize linkage with a fresh air and heat energy system in a building by comprehensive control.
The invention is realized in this way, construct a building control integrated system, characterized by that; the system comprises an industrial control host, a system server, a firewall, a regional first IP networking router, a regional second IP networking router, a network controller, a collector serial port and an IP type intelligent control unit; the industrial control hosts are in multiple groups and are communicated with the system server, the regional first IP networking router and the regional second IP networking router through IP networks; the first IP networking router and the second IP networking router in the area are connected with the collector serial port and the IP type intelligent control unit.
The building control integrated system is characterized in that the building control integrated system comprises a building control unit and a building control unit; the building control system can realize linkage with other subsystems;
the method comprises the steps of integrating with a building fresh air system, collecting real-time data of the fresh air system in real time, and controlling start and stop data of each floor;
the system is integrated with a cold and heat source system, collects data of cold sources and heat source equipment such as a cooling tower, a water pump, a water valve and the like in real time, and can perform start and stop control;
the method is integrated with an air conditioner tail end water system, collects the use state and the operation data of each valve of air conditioner tail end water in real time, and can control the valves in real time.
The building control integrated system is characterized in that the building control integrated system comprises a building control unit and a building control unit; the collector serial port and the IP type intelligent control unit are used for being connected with an air pipe type temperature sensor, an air pipe type temperature and humidity sensor and CO in a floor2The sensor, the air pipe static pressure sensor, the indoor (outdoor) temperature and humidity sensor, the air pressure difference switch, the adjusting air door actuator, the opening and closing air door actuator, the water pipe temperature sensor, the water pipe pressure sensor, the air conditioner water flowmeter, the electric butterfly valve and the opening and closing actuator, the air conditioner water pressure difference sensor and the living (reclaimed water) water tank liquid level sensor are connected.
The invention has the following advantages: the system can realize linkage with other building subsystems;
(1) air-conditioning subsystem integration: and the intelligent integration is carried out with the air-conditioning subsystem, and the information such as air environment data, air-conditioning state and the like of each floor is displayed on the platform. The system comprises a cold water main machine: three-phase electric quantity monitoring (three-phase current, voltage, power, electric degree), open and stop state, fault state, freezing pump: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), start-stop state, manual-automatic state and fault state. A cooling pump: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), start-stop state, manual-automatic state and fault state. The temperature of a chilled water outlet header pipe is as follows: and (4) giving an alarm on the outlet water temperature and the low temperature. Temperature of chilled water return main pipe: the temperature of the discharged water and the temperature difference are alarmed. Temperature of cooling water outlet main pipe: and (4) giving an alarm of high temperature when the water temperature is out. Temperature of cooling water return main pipe: and (4) giving an alarm on the outlet water temperature and the low temperature. Cooling the tower: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), start-stop state, manual-automatic state and fault state. The floor mixes the fan set: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), a fan starting and stopping state, a manual and automatic state and a fault state; and sending the air temperature back. Air supply and exhaust fan: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), fan starting and stopping states, manual and automatic states and fault states.
(2) The fresh air system is integrated: the real-time data of the fresh air system is collected in real time, and the start and stop data control of each floor can be carried out.
(3) Integration of cold and heat source systems: and data of cold sources and heat sources such as a cooling tower, a centrifugal unit, a water pump, a water valve, a boiler and the like are collected in real time, and equipment operation records can be formed.
Drawings
FIG. 1 is a block diagram of a building control integration system implementation of the present invention.
Wherein: the system comprises an industrial control host 10, a system server 20, a firewall 30, a regional first IP networking router 40, a regional second IP networking router 50, a network controller 60, a collector serial port 70 and an IP type intelligent control unit 80.
Detailed Description
The present invention will be described in detail with reference to fig. 1, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows; the present invention provides a building control integrated system by improvement, as shown in fig. 1, which can be implemented as follows; the system comprises an industrial control host 10, a system server 20, a firewall 30, a regional first IP networking router 40, a regional second IP networking router 50, a network controller 60, a collector serial port 70 and an IP type intelligent control unit 80; the industrial control hosts 10 are in multiple groups and are communicated with the system server 20, the regional first IP networking router 40 and the regional second IP networking router 50 through IP networks; the first IP networking router 40 and the second IP networking router 50 in the area are connected with the collector serial port 70 and the IP type intelligent control unit 80.
When the system is implemented, the building control system can be linked with other subsystems;
the method comprises the steps of integrating with a building fresh air system, collecting real-time data of the fresh air system in real time, and controlling start and stop data of each floor;
the system is integrated with a cold and heat source system, collects data of cold sources and heat sources such as a cooling tower, a centrifugal unit, a water pump, a water valve and a boiler in real time, and can be controlled to start and stop;
the method is integrated with an air conditioner tail end water system, collects the use state and the operation data of each valve of air conditioner tail end water in real time, and can control the valves in real time.
When the invention is implemented, the collector serial port 70 and the IP type intelligent control unit 80 are used for being connected with an air pipe type temperature sensor, an air pipe type temperature and humidity sensor and CO in a floor2The sensor, the air pipe static pressure sensor, the indoor (outdoor) temperature and humidity sensor, the air pressure difference switch, the adjusting air door actuator, the opening and closing air door actuator, the water pipe temperature sensor, the water pipe pressure sensor, the air conditioner water flowmeter, the electric butterfly valve and the opening and closing actuator, the air conditioner water pressure difference sensor and the living (reclaimed water) water tank liquid level sensor are connected.
The invention has the following functions: the system can realize linkage with other building subsystems;
(1) air-conditioning subsystem integration: and the intelligent integration is carried out with the air-conditioning subsystem, and the information such as air environment data, air-conditioning state and the like of each floor is displayed on the platform. The system comprises a cold water main machine: three-phase electric quantity monitoring (three-phase current, voltage, power, electric degree), open and stop state, fault state, freezing pump: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), start-stop state, manual-automatic state and fault state. A cooling pump: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), start-stop state, manual-automatic state and fault state. The temperature of a chilled water outlet header pipe is as follows: and (4) giving an alarm on the outlet water temperature and the low temperature. Temperature of chilled water return main pipe: the temperature of the discharged water and the temperature difference are alarmed. Temperature of cooling water outlet main pipe: and (4) giving an alarm of high temperature when the water temperature is out. Temperature of cooling water return main pipe: and (4) giving an alarm on the outlet water temperature and the low temperature. Cooling the tower: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), start-stop state, manual and automatic state, fault state and cooling tower tray water level alarm. The floor mixes the fan set: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), a fan starting and stopping state, a manual and automatic state and a fault state; and sending the air temperature back. Air supply and exhaust fan: three-phase electric quantity monitoring (three-phase current, voltage, power and electric degree), fan starting and stopping states, manual and automatic states and fault states.
(2) The fresh air system is integrated: the real-time data of the fresh air system is collected in real time, and the start and stop data control of each floor can be carried out.
(3) Integration of cold and heat source systems: and data of cold sources and heat source equipment such as a cooling tower, a centrifugal unit, a water pump, a water valve and a boiler are acquired in real time, and start and stop control can be performed.
(4) Integration of an air conditioner terminal water system: the service condition and the operation data of each valve of the water at the tail end of the air conditioner are collected in real time, and the valves can be controlled in real time.
The system is configured as follows;
(1) an industrial control host: at least 10 485 interfaces are available. And (4) integrating modbus, bacnet and opc standard protocols, and not limiting points.
(2) DDC: the system is provided with double CPU processors, the communication bus speed is not lower than 115.2Kp/s, the total physical input and output point number is not less than 20, and the BACNet communication protocol is supported.
(3) Routing: the router has two physical communication ports. One is an ethernet port of 10/100Mbps and the other is a separate MS/TP port. Configuration may be accomplished via a web page.
(4) The system software adopts a graphical user interface based on HTML (hypertext markup language), supports an unlimited user to access the system through a standard Web browser, performs information exchange and multi-level password protection of an enterprise through an SQL (structured query language) database and an HTTP/HTML/XML (hypertext transfer protocol/hypertext markup language/extensible markup language) text format, adopts a unique encryption technology to ensure the system safety, and synchronizes the database, the data storage plan, the control and the energy daily management of the energy-saving control box.
Interface configuration requirements
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. A building control integration system, characterized by; the system comprises an industrial control host (10), a system server (20), a firewall (30), a regional first IP networking router (40), a regional second IP networking router (50), a network controller (60), a collector serial port (70) and an IP type intelligent control unit (80); the industrial control hosts (10) are in multiple groups and are communicated with the system server (20), the regional first IP networking router (40) and the regional second IP networking router (50) through IP networks; the regional first IP networking router (40) and the regional second IP networking router (50) in the region are connected with the collector serial port (70) and the IP type intelligent control unit (80).
2. A building control integration system as claimed in claim 1, wherein; the building control system can realize linkage with other subsystems;
the method comprises the steps of integrating with a building fresh air system, collecting real-time data of the fresh air system in real time, and controlling start and stop data of each floor;
the system is integrated with a cold and heat source system, collects data of cold sources and heat sources such as a cooling tower, a centrifugal unit, a water pump, a water valve and a boiler in real time, and can be controlled to start and stop;
the method is integrated with an air conditioner tail end water system, collects the use state and the operation data of each valve of air conditioner tail end water in real time, and can control the valves in real time.
3. A building control integration system as claimed in claim 1, wherein; the collector serial port (70) and the IP type intelligent control unit (80) are used for being connected with an air pipe type temperature sensor, an air pipe type temperature and humidity sensor and CO in a floor2The sensor, the air pipe static pressure sensor, the indoor (outdoor) temperature and humidity sensor, the air pressure difference switch, the adjusting air door actuator, the opening and closing air door actuator, the water pipe temperature sensor, the water pipe pressure sensor, the air conditioner water flowmeter, the electric butterfly valve and the opening and closing actuator, the air conditioner water pressure difference sensor and the living (reclaimed water) water tank liquid level sensor are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010983411.2A CN112068474A (en) | 2020-09-18 | 2020-09-18 | Building control integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010983411.2A CN112068474A (en) | 2020-09-18 | 2020-09-18 | Building control integrated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112068474A true CN112068474A (en) | 2020-12-11 |
Family
ID=73681782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010983411.2A Pending CN112068474A (en) | 2020-09-18 | 2020-09-18 | Building control integrated system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112068474A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854450A (en) * | 2012-11-28 | 2014-06-11 | 西安奥赛福科技有限公司 | Fire hazard automatic alarm and linkage control system |
| CN105120205A (en) * | 2015-02-17 | 2015-12-02 | 深圳市安星装饰设计工程有限公司 | Intelligent network video monitoring and security and protection management platform linkage system |
| CN106681403A (en) * | 2016-12-28 | 2017-05-17 | 中瑞新源能源科技(天津)股份有限公司 | Intelligent monitoring system of building |
| CN206497382U (en) * | 2017-03-02 | 2017-09-15 | 南京市市政设计研究院有限责任公司 | A kind of building automation management system |
| CN107632571A (en) * | 2017-11-09 | 2018-01-26 | 广东百德朗科技有限公司 | A kind of novel intelligent building data acquisition and energy consumption control system |
| CN107783507A (en) * | 2016-08-25 | 2018-03-09 | 天津开发区华普惠诚网络科技有限公司 | A kind of intelligent building control system |
| CN108268019A (en) * | 2018-02-11 | 2018-07-10 | 合肥图久智能科技有限公司 | Building automatic control system based on P-BUS buses |
| CN109962973A (en) * | 2018-12-31 | 2019-07-02 | 青岛天狗物联科技有限公司 | Water, gas and electricity synthesization intelligent management system |
| CN210839646U (en) * | 2019-12-18 | 2020-06-23 | 中电建建筑集团有限公司 | Intelligent digital building automatic control system based on BIM technology |
-
2020
- 2020-09-18 CN CN202010983411.2A patent/CN112068474A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854450A (en) * | 2012-11-28 | 2014-06-11 | 西安奥赛福科技有限公司 | Fire hazard automatic alarm and linkage control system |
| CN105120205A (en) * | 2015-02-17 | 2015-12-02 | 深圳市安星装饰设计工程有限公司 | Intelligent network video monitoring and security and protection management platform linkage system |
| CN107783507A (en) * | 2016-08-25 | 2018-03-09 | 天津开发区华普惠诚网络科技有限公司 | A kind of intelligent building control system |
| CN106681403A (en) * | 2016-12-28 | 2017-05-17 | 中瑞新源能源科技(天津)股份有限公司 | Intelligent monitoring system of building |
| CN206497382U (en) * | 2017-03-02 | 2017-09-15 | 南京市市政设计研究院有限责任公司 | A kind of building automation management system |
| CN107632571A (en) * | 2017-11-09 | 2018-01-26 | 广东百德朗科技有限公司 | A kind of novel intelligent building data acquisition and energy consumption control system |
| CN108268019A (en) * | 2018-02-11 | 2018-07-10 | 合肥图久智能科技有限公司 | Building automatic control system based on P-BUS buses |
| CN109962973A (en) * | 2018-12-31 | 2019-07-02 | 青岛天狗物联科技有限公司 | Water, gas and electricity synthesization intelligent management system |
| CN210839646U (en) * | 2019-12-18 | 2020-06-23 | 中电建建筑集团有限公司 | Intelligent digital building automatic control system based on BIM technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102193528B (en) | Cloud computing based energy management control system and method | |
| CN101900394B (en) | Building air-conditioner control system and method based on ZigBee wireless technology | |
| WO2011106915A1 (en) | Intelligent home energy management control system based on cloud computing and method thereof | |
| CN104155945A (en) | Intelligent regulation system for data central computer room | |
| CN101393451A (en) | Construction energy-conserving control method and system | |
| CN113050523B (en) | Electric power monitoring system based on big data fusion model | |
| CN102721145A (en) | Indoor air-conditioning and lighting controller and control method thereof | |
| CN106979584A (en) | Computer room team control intelligent control method in central air-conditioning monitoring system | |
| CN102721107A (en) | Internet-of-things-based heater control system | |
| CN108268019A (en) | Building automatic control system based on P-BUS buses | |
| EP3593058A1 (en) | System and method for wireless environmental zone control with positioning feedback | |
| CN111736509A (en) | Wisdom building control system based on thing networking | |
| CN116085936A (en) | Intelligent energy management system, equipment and medium for central air conditioner energy station | |
| CN1107844C (en) | Concentrated control method of central air-conditioning system and its equipment | |
| CN203203187U (en) | Anti-moisture-condensation control device used for capillary tube air conditioner | |
| CN106331037B (en) | Computing node for distributed computing network | |
| CN112068474A (en) | Building control integrated system | |
| CN112696787A (en) | Panoramic three-dimensional visual intelligent monitoring system and method for medicament cleaning workshop | |
| CN202066117U (en) | Thermal energy district heating controller | |
| CN208704104U (en) | A kind of unattended equipment room control system of air-conditioning system | |
| CN111811114A (en) | Energy-saving air conditioner intelligent control system | |
| CN215954132U (en) | Remote intelligent operation and maintenance platform for air film building | |
| CN104896689A (en) | Intelligent central-air conditioning system of hotel | |
| CN201680554U (en) | Building air-conditioner control system based on ZigBee wireless technology | |
| Liu et al. | Automatic control system of intelligent building based on WebAccess |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201211 |