2.項目需求Project requirements
與客戶溝通后，學校要求能夠實現以下控制功能：
After communicating with customers, the school requires the following control functions:
1）可以充分利用自然照度，進行節能。
2）教室、辦公室可以就地手動控制，也可后臺控制。
3）走廊燈可根據有人無人、照度條件實現自動控制。
4）可根據日常上下課時間實現定時控制。
5）可預先設置多種場景一鍵切換控制。
6）中控端可一對一、一對多實現分區控制。
7）值班人員可對學校照明集中控制、遠程監控。
8）可以和消防系統聯動控制。
1)Fully use of natural illumination for energy saving.
2) Classroom, office can be manually controlled on the spot, but also backstage control.
3) Corridor lamp can be automatically controlled according to the condition of no one and illumination.
4) Realize timing control according to daily class time.
5) Pre-set a variety of scenarios one-click switching control.
6) Control terminal can be one-to-one, one-to-many partition control.
7) Particularly on duty staff can centralized control of school lighting, remote monitoring.
8) Shall be linked to the fire control system.
3.系統功能介紹 System Function
根據客戶需求，該項目可以有多種控制方式可供選擇，如本地控制、自動感應控制、定時控制、遠程集中控制等，控制方式更靈活，在實現自動化的同時，大量減少了值班人員的管理費用，提高了管理水平和工作效率。
According to the needs of customers, the project can have a variety of control methods to choose from, such as local control, automatic induction control, timing control, remote centralized control and so on, the control mode is more flexible, while realizing automation, It greatly reduces the management cost of duty personnel and improves the management level and working efficiency.
1）自動控制：
在走道，電梯間等公共區域，安裝二合一傳感器，可監測當前環境的光照度及有無人活動的情況，實現自動控制。在照度夠用的情況下（如晴天、正午），有人或是無人，燈都不會亮；在照度不夠的情況下（如陰雨天、夜晚），有人燈亮，人走后，延時燈滅。
在教室、老師辦公室等功能區靠窗位置安裝照度傳感器，實時監測當前照度情況，照度夠用時自動關閉靠窗位置的燈，充分利用自然照度。
2）手動控制：
各個教室、辦公室門口安裝有智能面板，可對房間內照明實現現場手動控制。面板可實現一對一、一對多控制。
3）場景控制：
對學校景觀照明、教學樓大廳照明、重要會議室照明可根據不同場景的控制需求,預先設定多種場景模式，并由值班人員進行一鍵切換。
4）定時控制：
系統按照學校早讀和下晚自習的時間，設置定時開關，完成燈光的自動控制，確保在非工作時間內的減小能源消耗。
5）電腦集中監控：
電腦端控制頁面主要有首頁、樓層控制頁面組成。可以實現遠程實現集中控制，實時反饋現場回路的開關狀態，方便值班人員遠程監控。
監控軟件由標題欄、任務欄及工作界面組成。標題欄：主要體現項目名稱及時間。導航條（任務條）：可以在任意頁面之間進行切換、選擇。工作界面：根據樓層及房間布局，對控制進行簡單劃分，可實現單燈控制，多回路控制等控制功能。
首頁面作為系統的啟動頁，設置內容一般可根據客戶要求，呈現項目介紹，項目效果圖，項目平面圖，或項目結構圖等，具體設置以實際要求為主，如圖2所示。
該項目有多個樓層控制頁面，以教室為控制單位，每個教室中有照明回路單開關和總開關、風扇空調單開關和總開關、插座電源單開關和總開關，樓層總開關及現場狀態反饋兩種狀態量，此外還設有定時開關方便用戶自行設置定時控制時間。
1) Automatic control:
In common areas such as walkways and elevators, two-in-one sensors can be installed to monitor the illumination of the current environment and whether there is any activity, and to realize automatic control. In the case of sufficient illumination (such as sunny days, noon), someone or no one, the lamp will not light; in the case of insufficient illumination (such as rainy days, nights), someone lights on, people go, the delay lights out.
The illuminance sensor is installed in the window position of the classroom, the teacher's office and other functional areas, and the current illumination situation is monitored in real time. When the illumination is sufficient, the lamp in the window position is automatically closed, and the natural illumination is fully utilized.
2) manual control:
Each classroom, office door is equipped with Smart panel, which can realize manual control of room lighting. Panel can achieve one-to-one, one-to-many control.
3) scene control:
For the school landscape lighting, teaching building hall lighting, important conference room lighting can be based on the control needs of different scenes, set up a variety of scene modes in advance, and by the staff on duty one-click switch.
4) timing control:
According to the time of school early reading and next evening self-study, the system sets the timing switch to complete the automatic control of lighting and ensure the reduction of energy consumption during non-working hours.
5) computer centralized monitoring:
The computer end control page mainly has the home page, the floor control page composition. It can realize remote centralized control, feedback the switch state of field loop in real time, and facilitate remote monitoring of duty personnel.
Monitoring software consists of title bar, task bar and working interface. Title bar: mainly reflects the project name and time. Navigation bar (task bar): you can switch between any page, select. Work interface: according to the floor and room layout, the control is simply divided, can achieve single lamp control, multi-loop control and other control functions.
The home page is used as the starting page of the system. The setting content can generally present the project introduction, project effect diagram, project plan, or project structure diagram according to the customer's request. The concrete setting is based on the actual requirements, as shown in figure 2.
The project has a number of floor control pages, with the classroom as the control unit, each classroom has a lighting circuit single switch and main switch, fan air conditioning single switch and main switch, socket power single switch and main switch, floor main switch and field state feedback two state quantities, In addition, there is a timing switch to facilitate users to set their own timing control time.
Figure 2.Central Control Platform Home Page
4.相關圖紙 Relative Drawing
學校照明系統采用Acrel-Bus智能照明系統，由于系統采用KNX分布式總線結構。布線簡單靈活，各模塊可獨立工作互不影響，系統可靠性更高。模塊工作在直流30V電壓下，用戶操作更加好。升級或更改系統功能時，無需關閉整個系統，只需更改設備參數即可。系統報警定位功能，實時監測并上傳集中控制端，方便設備人員準確定位并及時報修。下面通過一些項目圖紙詳細介紹該系統的設計流程。
The school lighting system adopts Acrel-Bus Smart lighting system, because the system adopts KNX distributed bus structure. The wiring is simple and flexible, each module can work independently without influence, and the system reliability is higher. Module working in DC 30V safe voltage, user operation is more secure. When upgrading or changing system functions, you do not need to turn off the whole system, just change the device parameters. System alarm positioning function, real-time monitoring and upload centralized control end, convenient equipment personnel accurate positioning and timely repair. The following is a detailed introduction to the design process of the system through some project drawings.
1）結構拓撲圖
系統結構拓撲圖（見圖3）是對項目實施整體結構布局的一個規劃，如圖可知，該學校共有A、B、C三棟樓設計了智能照明控制。由于每一層箱子比較多，所以布線的時候按樓層進行支線劃分。同一支線內所有的控制模塊都通過總線線纜連接到一起，每條支線的所有數據量匯總到耦合器、網關，再經由交換機到達監控室，實現遠程集中控制。
Figure 3. Topology of System Structure
2）配電系統圖Distribution System Diagram
配電系統圖主要明確了控制回路，所需的控制模塊及其數量，方便后期ETS配置系統功能。以某教室智能照明配電系統圖（見圖4）為例，可以看到該配電箱共分配了一個12路開關驅動器，箱內模塊可通過總線線纜連接到現場控制面板、傳感器等設備。
Distribution system diagram mainly defines the control circuit, the required control module and its number, convenient for the later ETS configuration system function. Taking the diagram of Smart lighting and distribution system in a classroom (see figure 4) as an example, it can be seen that the distribution box is allocated a 12-way switch driver, and the module in the box can be connected to the field control panel, sensor and other equipment through the bus cable.
Figure 4.Distribution System Diagram
5.結束語Ending
本文詳細介紹了Acrel-Bus智能照明系統的組成、功能和設計流程。
綜上可知，該系統在學校的應用具有布線簡單，用戶操作穩定，系統可靠性更高，維護方便，操作簡單等諸多優勢。筆者在該項目的實施中，也深刻體會到該系統的結構清晰，設計施工比較簡便，在使用過程中降低了能源消耗并且提高管理的水平，具有很大的推廣性。
A detailed introduction is given to the composition, function and design flow of Acrel-Bus Smart lighting system.
In summary, the application of the system in the school has many advantages, such as simple wiring, safe user operation, higher system reliability, convenient maintenance, simple operation and so on. In the implementation of the project, when you deeply realized that the structure of the system is clear, the design and construction is relatively simple, the energy consumption is reduced and the management level is improved in the process of use, and it has great popularization.
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