Application of acrel bus intelligent lighting control system in hospital

Encore Wang Chong

【 Abstract 】： This paper introduces the application of intelligent lighting in Fu'an Hospital of traditional Chinese medicine , use Acrel-BUS The intelligent lighting control system is applied to the outpatient and Emergency Building of the hospital 、 Maternal and child building 、 Intelligent control shall be carried out for the connection and disconnection of lighting circuits in public parts such as inpatient buildings , System networking is KNX Bus communication , The design adopts local touch screen control and through IP Gateway access Acrel-iLightControl Intelligent lighting control system , Centralized control and monitoring management at the computer end .

【 key word 】： The hospital ; Centralized control ; Hospital intelligent lighting control .

0.  Preface ：

With the continuous improvement of people's living standards , People have higher and higher requirements for working and living environment , At the same time, the requirements for lighting system are becoming higher and higher . Hospital lighting design should not only meet the needs of medical staff , And patient physiology 、 Requirements for mental health recovery , And save electricity as much as possible , Intelligent lighting control shall be adopted for public lighting .

1.  Project introduction ：

The project is located in the north of Manchun street, Banzhong township , West of Fuchun Avenue , Total land area 49330.9㎡, Construction land area 39267.6㎡, According to the planning and construction of the tertiary comprehensive hospital , The total construction area of phase I is 88975.37㎡, Make beds 600 Zhang , Investment contract 7.5 One hundred million yuan .

1.1 The user needs

At the nurse duty station on each floor of each building of the hospital 、 Touch screen shall be installed in the front desk duty station or channel , The front desk attendant can realize centralized control of the controlled area according to the current demand , Single circuit control of this area 、 Regional control, etc ; Remote and local control are interrelated , The lighting circuit can be adjusted as needed at any time .

2.  Field application product introduction ：

2.1 Power module

Functional specifications ：

KNX/EIB Standard power supply of the system , Coupling bus signal , And monitor KNX/EIB The current of the system . In addition, the power supply of this series provides a 30V Auxiliary DC voltage , For other peripherals ( Such as touching the screen 、IP Gateway, etc. ) Supply power . This module can be 64 It's powered by two devices , With bus reset 、 Over current indication and short circuit protection .

2.2 Switch driver

    

     

Functional specifications ：

Switch driver , Support KNX bus protocol , Driver for switching control of equipment , With logic 、 Time delay 、 Preset 、 scene 、 Threshold switch and other functions .

2.3  0-10V Dimming driver

Functional specifications ：

0-10V Dimming module , Support KNX bus protocol , Used to control the dimming circuit , With soft open / Turn off the function , Each loop can be simultaneously 8 Scenarios call , It can detect the circuit status . Especially suitable for incandescent lamps 、LED Lamp and low-voltage halogen lamp for dimming , It also has a switch 、 scene 、 Status feedback and other functions .  To achieve LED The dimming function of .

2.4  Human body sensor and illuminance sensor

Functional specifications ：

Intelligent lighting sensor , Support KNX bus protocol , Can feel external signals 、 Physical conditions （ Like light 、 infrared 、 microwave ）, And transmit the induced information to others KNX modular （ Such as dimmer 、 Switch driver ）, Realize its function . It is mainly used for public walkway in intelligent lighting control system 、 lobby 、 Garage and other places that need automatic control .

2.5 3.5 Inch touch screen

Function description ：

Touch screen , Support KNX bus protocol , Used to receive the touch signal of the control , Control single control through control , group control , General control , Dimming and other operations , And timing function , Control points up to 80 individual .

       

Emergency Building , Hospital building , The women's and children's building adopts 3 Branch line （KNX Bus cable BUS EIB2*2*0.8） Go to the fire control duty room , adopt IP The gateway is connected to the hospital intranet switch , Real time data upload to Acrel-iLightControl（ Intelligent lighting control system ）.

3.4  Main control functions of the system

3.4.1  Timing control

Use the central control software interface clock manager , Realize the timing and automatic management of regional lighting of the whole system , Realize public channel 、 Landscape lighting 、 Garage lighting, etc 、 Time sharing control 、 The user can set the normal lighting as required 、 Peak lighting 、 Holiday mode is closed regularly 、 Regular notice, etc .

3.4.2 Scene control

Intelligent lighting control system according to the needs of each department , Set different kinds of scene modes , Carry out the combination of various lighting lights , To optimize the working environment ; Combined with human body sensor , When people leave , Turn off the lighting in this area .

3.4.3 Human body sensing control

In the office walkways and stairs , Arrange the human body sensor . When someone enters the area , Turn on the lighting automatically . When people leave , Delay for some time before closing . If someone enters within the delay time , Then re-enter the open mode , To achieve the purpose of energy saving . And you can set the daytime to be reasonable , Invalid at night , Set according to the demand .

3.4.4  Illumination control  

In the indoor office area , Arrange the illumination sensor , Areas with good natural lighting , Automatically adjust the brightness of indoor lighting and the number of lights on ; It makes full use of natural light , It can also create a comfortable working environment for indoor personnel .

3.4.5 Real-time monitoring

Central control room , Configure a central control host , All lighting control equipment , adopt KNX gateway , Access to monitoring system . Operation management personnel , You can use the central control computer , Real time monitoring bus 、 Area 、 floor 、 Lighting status of buildings, etc , And it can be controlled and adjusted according to the demand . System drawing tools support vector graphics and multi-layer pages , Graphic page zooming is convenient , It's easy to switch , Support DXF、WMF、BMP、JPG、ICON And other graphic objects 、 Support two-dimensional 、 Drawing of 3D primitives , Increase visual spatial effects .

3.4.6 Alarm handling

The system provides alarm processing capability , Users can use programming to complete different tasks , What to do when an alarm condition occurs , It can be determined by the user .

3.4.7 Event notification

The system provides event notification function , Support email notification 、 Text output and event driven printing , According to the conditions preset by the user , Trigger event notification function .

3.4.8 Sunshine time calculation

According to the user's current time zone , Sunshine time calculation , As the time benchmark of timing control .

3.4.9 Data exchange

The system can be used directly ETS3 and ETS5 Project data , It is convenient to upgrade and replace the software ; It is also acceptable to CVS Module and system data saved in file format ; System support OPC service ; adopt KNX-MODBUS The gateway can be connected with other building intelligent systems （ Such as BA System ） Data exchange .

3.4.10 System linkage

The system can switch the input module , Accept the forced cut-off signal from other systems or staff ; Realize the security system 、 broadcasting system 、 Conference system , Even the linkage control of the fire protection system , Control the lighting of corresponding lamps and the start and stop of equipment .

4.  Conclusion ：

Acrel-BUS Intelligent lighting control system , Is based on KNX Control system designed by bus technology . The system adopts standard 2×2×0.8 EIB BUS Bus （ namely KNX Bus ） As a bus cable , Connect all intelligent lighting control modules together and form a complete control system , The remote centralized control of lighting lamps can be realized , It can also realize the nearby control function . The number of control modules theoretically connected to the system is up to 58000 Multiple .

Ankerui intelligent lighting control has a wide range of products , The plan is perfect . The user can use the control panel 、 Human sensing 、 Illumination sensing 、 Microwave induction 、 Upper computer system 、 Touch screen 、 mobile phone 、 A variety of control terminals such as the flat panel terminal realize flexible and intelligent control , It is especially suitable for all kinds of intelligent communities 、 The hospital 、 School 、 The hotel , And sports venues 、 The airport 、 Tunnel 、 Lighting system of large public construction projects such as stations .

reference

[1]. Product selection manual of ankerui Electric Co., Ltd .2020.10

[2]. Zhou Jiang . The setting of dimming controller based on single chip microcomputer . Chengdu University  2010