CN101706663B - Intelligent energy-saving system for controlling wireless networking of office building environment and control method thereof - Google Patents
Intelligent energy-saving system for controlling wireless networking of office building environment and control method thereof Download PDFInfo
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- CN101706663B CN101706663B CN200910309778XA CN200910309778A CN101706663B CN 101706663 B CN101706663 B CN 101706663B CN 200910309778X A CN200910309778X A CN 200910309778XA CN 200910309778 A CN200910309778 A CN 200910309778A CN 101706663 B CN101706663 B CN 101706663B
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses an intelligent energy-saving system for controlling the wireless internetworking of office building environment, which comprises a central controller and area control subsystems. End control equipment is arranged in each area control subsystem; the central controller is connected with a wireless coordinator; each end control equipment is in signal connection with a wireless routing controller which is in signal connection with the wireless coordinator; and the end control equipment, the wireless routing controller and the wireless coordinator are all based on a ZigBee communication protocol and meet IEEE802.15.4 standard. The intelligent energy-saving system solves the technical problem that a relatively larger measurement and control network cannot be formed in a conventional wireless control system, also solves the problems of the high power consumption, low rate and high cost of the conventional building intelligent control system, ensures that manual control is effective when equipment communication or control is at fault and avoids the paralysis of the whole system.
Description
Technical field
The present invention relates to a kind of control system and control method thereof of intelligent building, particularly a kind of Wireless Networking intelligence control system and the control method thereof that can carry out Long-distance Control.
Background technology
There are many kinds in the market by the system of Digiplex control.Though this kind system has made things convenient for people's use, also have some unsatisfactory places, its mainly contain following some.
Because all multifactor (as temperature, humidity, thunder and lightning, overcurrent, the device aging etc.) of environment for use and system itself might make the temporary transient or permanent failure of system; This moment, switch was in runaway condition, and the user can't be by the switching of telepilot or panel-switch control lamp.
Communication frequency lower (basically at 315 megahertzes-433 megahertz), communication speed is not high, antijamming capability a little less than.
Communications protocol is simpler and cruder, and both-way communication mechanism is unsound, can only be applicable to the control of several points, can't build bigger system, and perhaps cost is too expensive.
Adopt embedded system control wireless telecommunications and switch to open and close, though be provided with hand switch on the panel, this switch is that the digital input point Zhao of of embedded system had both had only system just to work by this switch of operate as normal.Because all multifactor (as temperature, humidity, thunder and lightning, overcurrent, the device aging etc.) of environment for use and system itself might make the temporary transient or permanent failure of system; This moment, switch was in runaway condition, and the user can't be by the switching of telepilot or control panel controlling switch lamp.
Adopt bidirectional triode thyristor constant power semiconductor devices as main switching device, and semiconductor power device is being installed and use, because situations such as short circuit, surge current, instantaneous high pressure can appear installing, so power device is more fragile.This moment, switch was in runaway condition, and the user can't be by the switching of telepilot or control panel controlling switch lamp.
Communication frequency is lower, and at 315 megahertzes-433 megahertz, communication speed is not high basically, antijamming capability a little less than.
Communications protocol is simpler and cruder, and both-way communication mechanism is unsound, can only be applicable to the control of several points, can't build bigger system.
Summary of the invention
At above-mentioned defective, the invention provides a kind of Wireless Networking energy-saving control system and control method thereof of intelligent building working environment, solve existing building intelligent control system and be in runaway condition sometimes, the user can't be by the technical matters of telepilot or the switching of control panel controlling switch lamp; And the existing technical matters that the building intelligent control system power consumption is big, speed is low, cost is high of solution.
For achieving the above object, the present invention adopts following technical scheme.
The Wireless Networking energy-saving control system of this intelligent building working environment, comprise central control unit and at least one Region control subsystem, there is at least one to place terminal opertaing device on the end-equipment in each Region control subsystem, described central control unit is center-controlling computer, it is connected with wireless telegon, the terminal opertaing device of each of Region control subsystem is connected with wireless path control deivce signal, wireless path control deivce is connected with wireless telegon signal, described terminal opertaing device, wireless path control deivce and wireless telegon meet the IEEE802.15.4 standard all based on the ZigBee communications protocol.
Described center-controlling computer connects remote control computer by internet or Ethernet.
It is Y-connection, tree-like connection or netted connection that the signal of described terminal opertaing device, wireless path control deivce and wireless telegon is connected.
Described terminal opertaing device has wireless electronic control switch and mechanically controlled switch.
The signal of described ZigBee communications protocol transmission effective coverage range is between 10～75 meters, uses frequency range to be 2.4GHz, 868MHz, and 915MHz, time delay between 15 milliseconds to 30 milliseconds, 65000 equipment of each ZigBee network support.
Described end-equipment is light fixture, power supply, air-conditioning, curtain or sensor, or above-mentioned two to five kinds combination in any.
Described sensor is light sensor, heat sensitive sensor, moisture sensor, position transducer, or above-mentioned two to five kinds combination in any.
The intelligent switch panel of described terminal opertaing device comprises panel enclosure, control base plate, the surface-mounted integrated circuit that has button, the control base plate contains firewire binding post, zero line binding post, it is characterized in that: comprise power supply unit, input block, central control unit, communication unit and output unit on the described surface-mounted integrated circuit; Described button comprises at least one group of manual mechanical switch button and wireless electric-controlled switch key, described button comprises at least one group of manual mechanical switch button and wireless electric-controlled switch key, manual mechanical switch button and wireless electric-controlled switch key respectively with panel enclosure in a pair ofly often open, normally closed contact is connected.
Described power supply unit is connected with zero line with live wire, comprises rectification circuit, filtering circuit, voltage stabilizing and regulating circuit, is used for from the electrical network power taking, provides Dc low voltage power supply to other unit.
Described central control unit is connected with the output terminal of power supply unit, comprise embedded microprocessor, reset circuit, oscillating circuit, be used for receiving and handling the electric signal of sending of communication unit, input block, and it is carried out logical operation and analysis, finally to output unit output switch order signal, finish the real-time control to light.
Described communication unit comprises that communications protocol meets the ZigBee agreement to the requirement of Physical layer for receiving and sending the antenna of wireless messages and the modulate circuit supporting with it.
Described input block be used for to be gathered input signals such as the on off state, configuration key-press status of each light fixture load, and according to the input requirement of central control unit, signal is nursed one's health and shaping, finally sends central control unit to.
Described output unit is the wireless electric-controlled switch that can realize electric control, and wireless electric-controlled switch is opposite with the switch direction of manual mechanical switch, and wireless electric-controlled switch comprises relay and driving circuit, and the contact in relay and the panel enclosure is connected.
Described driving circuit comprises a transistor amplifier, and the collector of triode drives with relay and is connected.
The control method of the Wireless Networking energy-saving control system of described intelligent building working environment may further comprise the steps.
Terminal opertaing device in a, the Region control subsystem carries out wireless network transmissions to wireless path control deivce with the state of end-equipment and the data message of collection according to the ZigBee home control network communication protocol, and terminal opertaing device can receive the steering order of being sent by wireless path control deivce and finish corresponding action as requested simultaneously.
Wireless path control deivce in b, the Region control subsystem is collected the state of each end-equipment and the data message of collection, send to wireless telegon by communication interface, described terminal opertaing device, wireless path control deivce and wireless telegon meet the IEEE802.15.4 standard all based on the ZigBee communications protocol.
C, wireless telegon are given center-controlling computer with message transport.
D, center-controlling computer are analyzed and logical operation information, finally by wireless telegon and wireless router terminad opertaing device output switch order signal, finish the real-time control to electric light, socket and other equipment, described center-controlling computer connects remote control computer by internet or Ethernet.
E, under the situation of automatically controlled part complete failure, the user is by the keying of the mechanical switch manual control end-equipment on the terminal opertaing device.
Compared with prior art the present invention has following characteristics and beneficial effect.
1, the present invention is the short-range wireless networks Control on Communication wireless network platform of a kind of low-power consumption, low cost, low complex degree, low rate, it integrates embedded system technology, wireless communication technique, network technology, by the control to relay and mechanical switch, realize two controls of wireless electron control and armstrong's patent control.Utilize manual mechanical switch thoroughly to solve the phenomenon that opens and closes because of the uncontrollable light fixture of the switch panel that control was lost efficacy or device failure causes, namely under the situation of the automatically controlled part complete failure of panel, though the user can't recycling telechiric device switching lamp, but still can be as using regular tap, by mechanical switch manual control electric light bright, go out, thereby the light fixture that guarantees the user can normally use.
2, employing meets the Zigbee agreement of international standard as home control network communication protocol, utilized the IEEE802.15.4 standard, form the control wireless network platform, can improve reliability, practicality and the anti-interference of panel like this, the opening of Hoisting System and extendability.
3, message transmission rate is low: have only the 10k byte per second to the 250k byte per second, be absorbed in low transmission and use.
4, low in energy consumption: under the low power consumption standby mode, common No. 5 dry cells of two joints can use 6 months to 2 years, had removed the trouble of charging or frequently changing battery from.The low-power consumption characteristic of ZigBee technology makes these battery powered networks prolong working time.
5, cost is low: the ZigBee message transmission rate is low, and agreement is simple, so greatly reduce cost.More simple and practical than bluetooth, two-forty personal area network or 802.11x WLAN (wireless local area network).
6, network capacity is big: each ZigBee network can be supported 6500 equipment at most, can network with 254 nodes.
7, time delay is short: time delay is all between 15 milliseconds to 30 milliseconds usually.
8, safe and reliable: ZigBee provides data integrity inspection and authentication functions, adopts the AES-128 cryptographic algorithm.Adopt frequency hopping, basic rate is 250kb/s, and when being reduced to 28kb/s, transmission range can expand 134m to, and obtains higher reliability.
9, effective range is little: between 10～75 meters of the effective coverage ranges, specifically according to the size of actual emission power and various application model and decide, can cover common family or office environment basically.
10, working frequency range is flexible: use frequency range to be 2.4GHz, 868MHz(Europe) and the 915MHz(U.S.), be unlicensed band.The present invention has overcome the unsettled shortcoming of traditional electric-control system, has solved the various technical matterss of legacy protocol.
11, the ZigBee technology provides static and dynamic star, cluster tree and mesh network topology, can realize the big local network coverage and a scalable network, avoids Single Point of Faliure.
The Communication Control platform ZigBee technology that the present invention adopts international standards in conjunction with the embedded control system technology, realizes intellectuality control and management to power supply, illumination, air-conditioning in the buildings, thereby realizes the target of building energy-saving.The present invention can be widely used in aspects such as building monitoring, office automation, health care diagnosis, industrial safety, power monitoring, Energy Saving Control and monitoring of environment, be mainly used within the short-range and various electronic equipments that message transmission rate is not high between.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is structural representation block diagram of the present invention.
Fig. 2 is first kind of star network syndeton synoptic diagram of the present invention.
Fig. 3 is second kind of tree network syndeton synoptic diagram of the present invention.
Fig. 4 is the third network-like syndeton synoptic diagram of the present invention.
Fig. 5 is panel-switch block diagram of the present invention.
Fig. 6 is panel-switch output unit schematic diagram of the present invention.
The wireless electric-controlled switch of 1-, the 2-manual mechanical switch, the load of 3-light fixture, 4-cuts down function device, 5-Centroid, 6-full-function device.
Embodiment
Referring to Fig. 1, the Wireless Networking energy-saving control system of this intelligent building working environment, comprise central control unit and n Region control subsystem, there is at least one to place terminal opertaing device on the end-equipment in each Region control subsystem, described central control unit is center-controlling computer, its signal port is connected with wireless telegon, the terminal opertaing device of each of Region control subsystem is connected with wireless path control deivce signal, wireless path control deivce is connected with wireless telegon signal, described terminal opertaing device, wireless path control deivce and wireless telegon meet the IEEE802.15.4 standard all based on the ZigBee communications protocol.
Described center-controlling computer is by being connected remote control computer with internet or Ethernet.
It is Y-connection, tree-like connection or netted connection that the signal of described terminal opertaing device, wireless path control deivce and wireless telegon is connected.
Described terminal opertaing device has electric control switch and mechanically controlled switch.
The signal of described ZigBee communications protocol transmission effective coverage range is between 10～75 meters, uses frequency range to be 2.4GHz, 868MHz, and 915MHz, time delay between 15 milliseconds to 30 milliseconds, 6500 equipment of each ZigBee network support.
Described end-equipment is light fixture, power supply, air-conditioning, curtain or sensor, or above-mentioned two to five kinds combination in any.
Described sensor is light sensor, heat sensitive sensor, moisture sensor, position transducer, or above-mentioned two to five kinds combination in any.
Referring to Fig. 5, the intelligent switch panel of described terminal opertaing device comprises panel enclosure, control base plate, the surface-mounted integrated circuit that has button, the control base plate contains firewire binding post, zero line binding post, it is characterized in that: comprise power supply unit, input block, central control unit, communication unit and output unit on the described surface-mounted integrated circuit; Described button comprises at least one group of manual mechanical switch button and wireless electric-controlled switch key, described button comprises at least one group of manual mechanical switch button and wireless electric-controlled switch key, manual mechanical switch button and wireless electric-controlled switch key respectively with panel enclosure in a pair ofly often open, normally closed contact is connected.
Described power supply unit is connected with zero line with live wire, comprises rectification circuit, filtering circuit, voltage stabilizing and regulating circuit, is used for from the electrical network power taking, provides Dc low voltage power supply to other unit.
Described central control unit is connected with the output terminal of power supply unit, comprise embedded microprocessor, reset circuit, oscillating circuit, be used for receiving and handling the electric signal of sending of communication unit, input block, and it is carried out logical operation and analysis, finally to output unit output switch order signal, finish the real-time control to light.
Described communication unit comprises that communications protocol meets the ZigBee agreement to the requirement of Physical layer for receiving and sending the antenna of wireless messages and the modulate circuit supporting with it.
Described input block be used for to be gathered input signals such as the on off state, configuration key-press status of each light fixture load, and according to the input requirement of central control unit, signal is nursed one's health and shaping, finally sends central control unit to.
Referring to Fig. 6, described output unit is the wireless electric-controlled switch 1 that can realize electric control, wireless electric-controlled switch 1 is opposite with the switch direction of manual mechanical switch 2, and wireless electric-controlled switch 1 comprises relay and driving circuit, and the contact in relay and the panel enclosure is connected.Described driving circuit comprises a transistor amplifier, the emitter of triode drives with relay and is connected, the signal of central control unit transmission is received and is converted into input driving circuit behind the electric current, carrying out electric current by triode amplifies, current drives relay after the amplification is realized the control to switch, realizes the control to light fixture load 3 then.
A kind of control method of using the Wireless Networking energy-saving control system of above-mentioned intelligent building working environment is characterized in that may further comprise the steps.
Terminal opertaing device in a, the Region control subsystem carries out wireless network transmissions to wireless path control deivce with the state of end-equipment and the data message of collection according to the ZigBee home control network communication protocol, and terminal opertaing device can receive the steering order of being sent by wireless path control deivce and finish corresponding action as requested simultaneously.
Wireless path control deivce in b, the Region control subsystem is collected the state of each end-equipment and the data message of collection, send to wireless telegon by communication interface, described terminal opertaing device, wireless path control deivce and wireless telegon meet the IEEE802.15.4 standard all based on the ZigBee communications protocol.
C, wireless telegon are given center-controlling computer with message transport.
D, center-controlling computer are analyzed and logical operation information, finally by wireless telegon and wireless router terminad opertaing device output switch order signal, finish the real-time control to electric light, socket and other equipment, described center-controlling computer connects remote control computer by internet or Ethernet.
E, under the situation of automatically controlled part complete failure, the user is by the keying of the mechanical switch manual control end-equipment on the terminal opertaing device.
Referring to Fig. 2, the present invention uses the star-shaped network structure synoptic diagram of zigbee technology.The hub-and-spoke configuration network has central node 4, and other nodes all directly link to each other with Centroid.Characteristics are to be easy to increase new website in network, and security and the priority of data are controlled easily, easily realize network monitoring, but the fault of Centroid can cause whole network paralysis.So can use the hub-and-spoke configuration network when the equipment in the Region control subsystem is fewer, wireless path control deivce is set to Centroid, other equipment all are to cut down function device 4.Full-function device 6 can be supported any topological structure, and can communicate with any equipment.Cut down function device and can only support hub-and-spoke configuration as leaf node, can communicate with full-function device, realize simple.
Referring to Fig. 3, the present invention uses the tree network structural representation of zigbee technology.Tree structure is a kind of hierarchical structure, and node is pressed level and linked, and message exchange is mainly being carried out between the node up and down, does not generally carry out exchanges data between neighborhood of nodes or the same layer node.Compare with star-like, its communication line total length is short, and cost is lower, and node is easy to expand, and it is more convenient to seek the path, but except leaf node and continuous circuit thereof, arbitrary node or its line fault that links to each other all can make system be affected.So when the equipment of sub-network is many, can use tree topology, use than equipment more frequently to be full-function device, directly be connected with Centroid; The equipment that frequency of utilization is lower adopts cuts down function device, is in the position of leaf node.
Referring to Fig. 4, the present invention uses the mesh network topology synoptic diagram of zigbee technology.In the fully connected topology, all have the link of point-to-point to connect between every equipment of network, this connection is uneconomical, just makes in this way when having only each website frequently to send information.Its installation is also complicated, but the system reliability height, fault-tolerant ability is strong.Sometimes be also referred to as distributed frame.Adopt fully connected topology to connect between each Region control subsystem, increase whole stability of network.
Claims (9)
1. the Wireless Networking energy-saving control system of an intelligent building working environment, comprise central control unit and at least one Region control subsystem, there is at least one to place terminal opertaing device on the end-equipment in each Region control subsystem, it is characterized in that: described central control unit is center-controlling computer, it is connected with wireless telegon, the terminal opertaing device of each of Region control subsystem is connected with wireless path control deivce signal, wireless path control deivce is connected with wireless telegon signal, described terminal opertaing device, wireless path control deivce and wireless telegon meet the IEEE802.15.4 standard all based on the ZigBee communications protocol;
The intelligent switch panel of described terminal opertaing device comprises panel enclosure, control base plate, the surface-mounted integrated circuit that has button, and the control base plate contains firewire binding post, zero line binding post: comprise power supply unit, input block, central control unit, communication unit and output unit on the described surface-mounted integrated circuit; Described button comprises at least one group of manual mechanical switch button and wireless electric-controlled switch key, manual mechanical switch button and wireless electric-controlled switch key respectively with panel enclosure in a pair ofly often open, normally closed contact is connected;
Described power supply unit is connected with zero line with live wire, comprises rectification circuit, filtering circuit, voltage stabilizing and regulating circuit, is used for from the electrical network power taking, provides Dc low voltage power supply to other unit;
Described central control unit is connected with the output terminal of power supply unit, comprise embedded microprocessor, reset circuit, oscillating circuit, be used for receiving and handling the electric signal of sending of communication unit, input block, and it is carried out logical operation and analysis, finally to output unit output switch order signal, finish the real-time control to light;
Described communication unit comprises that communications protocol meets the ZigBee agreement to the requirement of Physical layer for receiving and sending the antenna of wireless messages and the modulate circuit supporting with it;
Described input block be used for to be gathered input signals such as the on off state, configuration key-press status of each light fixture load, and according to the input requirement of central control unit, signal is nursed one's health and shaping, finally sends central control unit to;
Described output unit is the wireless electric-controlled switch (1) that can realize electric control, wireless electric-controlled switch (1) is opposite with the switch direction of manual mechanical switch (2), wireless electric-controlled switch (1) comprises relay and driving circuit, and the contact in relay and the panel enclosure is connected.
2. the Wireless Networking energy-saving control system of intelligent building working environment according to claim 1 is characterized in that: described center-controlling computer connects remote control computer by internet or Ethernet.
3. the Wireless Networking energy-saving control system of intelligent building working environment according to claim 1 and 2, it is characterized in that: it is Y-connection, tree-like connection or netted connection that the signal of described terminal opertaing device, wireless path control deivce and wireless telegon is connected.
4. the Wireless Networking energy-saving control system of intelligent building working environment according to claim 3, it is characterized in that: described terminal opertaing device has wireless electronic control switch and mechanically controlled switch.
5. the Wireless Networking energy-saving control system of intelligent building working environment according to claim 3, it is characterized in that: the signal transmission effective coverage range of described ZigBee communications protocol is between 10～75 meters, use frequency range to be 2.4GHz, 868MHz and 915MHz, time delay between 15 milliseconds to 30 milliseconds, 65000 equipment of each ZigBee network support.
6. the Wireless Networking energy-saving control system of intelligent building working environment according to claim 3, it is characterized in that: described end-equipment is light fixture, power supply, air-conditioning, curtain or sensor, or above-mentioned two to five kinds combination in any.
7. the Wireless Networking energy-saving control system of intelligent building working environment according to claim 6, it is characterized in that: described sensor is light sensor, heat sensitive sensor, moisture sensor, position transducer, or above-mentioned two to four kinds combination in any.
8. the Wireless Networking energy-saving control system of intelligent building working environment according to claim 1, it is characterized in that: described driving circuit comprises a transistor amplifier, the collector of triode drives with relay and is connected.
9. an application rights requires the control method of the Wireless Networking energy-saving control system of any described intelligent building working environment of 1-8, it is characterized in that may further comprise the steps:
Terminal opertaing device in a, the Region control subsystem carries out wireless network transmissions to wireless path control deivce with the state of end-equipment and the data message of collection according to the ZigBee home control network communication protocol, and terminal opertaing device can receive the steering order of being sent by wireless path control deivce and finish corresponding action as requested simultaneously;
Wireless path control deivce in b, the Region control subsystem is collected the state of each end-equipment and the data message of collection, send to wireless telegon by communication interface, described terminal opertaing device, wireless path control deivce and wireless telegon meet the IEEE802.15.4 standard all based on the ZigBee communications protocol;
C, wireless telegon are given center-controlling computer with message transport;
D, center-controlling computer are analyzed and logical operation information, finally by wireless telegon and wireless router terminad opertaing device output switch order signal, finish the real-time control to electric light, socket and other equipment, described center-controlling computer connects remote control computer by internet or Ethernet;
E, under the situation of automatically controlled part complete failure, the user is by the keying of the mechanical switch manual control end-equipment on the terminal opertaing device.
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| CN101859141A (en) * | 2010-06-23 | 2010-10-13 | 江苏科技大学 | Wireless sensor network-based remote power supply monitoring system and control method |
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| CN102184623B (en) * | 2011-02-11 | 2013-01-23 | 沈阳化工大学 | System for monitoring building environment based on zigbee technology and Ethernet |
| CN102346463A (en) * | 2011-06-14 | 2012-02-08 | 合肥华美信息技术有限公司 | Intelligent monitoring system and method for home appliance |
| CN103687076A (en) * | 2012-08-31 | 2014-03-26 | 深圳光启创新技术有限公司 | Building control system and building control method based on wireless sensing technology |
| CN103269524A (en) * | 2013-04-21 | 2013-08-28 | 长春理工大学 | Device for detecting multi-point temperature in regular distribution through ZigBee and public wireless communication network |
| CN103207614A (en) * | 2013-04-26 | 2013-07-17 | 尚毓敏 | Intelligent central control system and method applicable to intelligent switch or intelligent socket of home area or office area |
| US20150088272A1 (en) * | 2013-09-23 | 2015-03-26 | Emerson Electric Co. | Energy Management Based on Occupancy and Occupant Activity Level |
| CN104503327A (en) * | 2014-12-22 | 2015-04-08 | 周育国 | Embedded type wireless control device, switch and remote control device |
| CN107272604A (en) * | 2016-04-07 | 2017-10-20 | 隋杰礼 | A kind of building energy conservation photo-thermal wind system |
| CN105676754A (en) * | 2016-04-15 | 2016-06-15 | 常州轻工职业技术学院 | Automatic control and monitoring system |
| CN106502157A (en) * | 2016-11-22 | 2017-03-15 | 胡立聪 | A kind of building energy conservation light hot-air system |
| CN106781389A (en) * | 2016-12-28 | 2017-05-31 | 重庆金鑫科技产业发展有限公司 | A kind of controller and control system |
| CN111742528B (en) * | 2018-01-29 | 2023-05-30 | 昕诺飞控股有限公司 | Synchronous control of node subnetworks in wireless networks |
| CN110209092B (en) * | 2019-06-17 | 2020-10-09 | 珠海格力电器股份有限公司 | Building automatic control system, control method and device thereof and building system |
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