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The intelligentization of the hospital’s weak current system is to further improve the hospital management level through the use of modern information technology, network technology and automatic control technology, combined with the hospital business management process. Peking Union Medical College Hospital, as a large-scale tertiary general hospital in China, through the reconstruction and expansion project of the outpatient and emergency building and the operating department building, the hospital has a greater degree of intelligence on the original basis.
Project Overview
Peking Union Medical College Hospital’s outpatient and emergency building and surgical department building have a construction area of 221,915 square meters. Its weak current intelligent system mainly includes two parts: (1) Building intelligent system. Including building automation control system, safety protection system, integrated wiring system, cable television system, parking lot management system, background music and emergency broadcasting system; (2) Hospital dedicated system. Including ICU video visit system, medical intercom system, outpatient medical guidance call number and information release system, surgery teaching system, identification guidance system, etc.
In view of the actual application of the intelligentization of the hospital’s weak current system and the future development trend, taking into account the actual needs and use characteristics of each sub-system, and taking into account the characteristics of accelerating the replacement of new and old technologies, the outpatient and emergency building and operating department building of Peking Union Medical College Hospital are smart for the weak current system The transformation follows the following principles.
1. Advanced and practical
Adopting advanced, mature, practical and promising technologies to enable each subsystem to have a long life cycle and not blindly pursue high-end equipment, which can not only meet current needs, but also adapt to future development.
2. Reliability and ease of operation
The efficient and stable system can provide uninterrupted operation throughout the year. The installed servers, terminal equipment, network equipment, control equipment and cables laid can be adapted to the strict working environment to ensure the stability of the system. The perfect and easy-to-use graphical man-machine interface interactive system provides effective functions such as information sharing and communication, resource query and retrieval.
3. Meet the needs of different environmental functions of departments
The open building structure allows users to quickly and easily change the function of the building or re-plan the building plan. The communication and power supply necessary for indoor office places also have greater flexibility. The function of the socket can be quickly changed through the integrated wiring system, which has strong flexibility.
4. Meet the needs of energy saving and consumption reduction
Among the energy consumption of the hospital, the energy consumption of the fresh air unit and the lighting system is the largest, accounting for more than 60% of the total energy consumption of the new building. On the premise of meeting the environmental requirements of patients, the building automation system is used to adjust the indoor environment with natural light and atmospheric heat as much as possible, thereby minimizing energy consumption. For example, setting the lighting time of public areas to 7:00～19 At 00, night lighting uses the identification system light box and emergency lights to meet the needs of security patrols and video surveillance.
5. Scalability
The various subsystems are organically combined, and the development space for future needs is fully considered. The system platform and technology provided fully meet the needs of future functions and expansion projects to avoid duplication of investment. Always implement the standardization, structure, and modular design ideas, laying the foundation for system openness, scalability, maintainability, reliability and economy.
Main system design introduction
1. Building automation control system
The building automation control system is mainly composed of air conditioning cold source monitoring system, hot water exchange monitoring system, air conditioning and clean air conditioning monitoring system, fresh air monitoring system, air supply and exhaust monitoring system, water supply and drainage monitoring system, elevator monitoring system, lighting monitoring system, etc.
According to the number of building equipment and monitoring requirements, the system is equipped with 1 central control station, 2 subsystem control sub-stations, more than 200 on-site DDC (Direct Digital Control) controllers, more than 300 temperature and humidity sensors, air valves, and water valve drivers, and More than 5000 I/O monitoring points, etc., monitor, measure and control the parameters of various equipment in the building.
Advantages: Based on the management concept of unified and coordinated control of the equipment in the building, combined with the energy-saving features of the project “large temperature difference and variable flow”, the optimized design of the system not only meets the requirements of reliable and safe operation of ordinary public buildings, energy saving and manpower, but also It also meets the special requirements of modern hospitals: (1) Complete customized graphical user interface; (2) Synchronize, save and back up the database of the controller; (3) Multi-level password protection; (4) Energy management and energy saving Analysis; (5) Customize the support for non-standard control programs; (6) Support online communication with the running workstation through the network; (7) Support offline communication by directly reading the workstation’s database; (8) ) The air-conditioning system and chiller system of the operating area are controlled in stages by setting up sub-stations.
2. Security automation system
The security automation system includes three subsystems: video surveillance, access control patrol, and anti-theft alarm.
The video surveillance system adopts a digital-analog combination solution, and realizes monitoring, transmission and storage through analog acquisition, digital encoding, network transmission, and digital storage. More than 1,000 video surveillance points have been set up in the building to monitor all important entrances and exits, pedestrian stairs, first and second waiting areas, main technical areas, important non-technical areas, elevator front halls, bridge boxes, escalators and the perimeter of the hospital. Carrying out video surveillance, basically realized no dead angle coverage. The surveillance images are transmitted to the building monitoring center, and displayed in a round-robin mode with 4 split screens through a TV wall composed of 21 40-inch dedicated monitors. In order to ensure the flexibility and stability of the system, the system is equipped with dedicated network equipment, video management server and video storage server. Any computer in the network can view images in real time.
The access guard patrol system adopts the CPU card of the national secret algorithm in accordance with the relevant regulations of the Ministry of Health to improve safety. There are more than 500 access control points in the building. Fingerprint access control is used in important rooms such as treatment rooms and medicine warehouses, which realizes the control of the entry and exit of the entrances and valuables rooms on the first floor, and also ensures the separation of patients and medical care channels. At the same time, it also facilitates the patrol and supervision of security personnel.
The anti-theft alarm system uses Shuangjian motion detectors for detection, which are mainly deployed in areas where important data and property are stored. The detectors have the ability to resist weather environmental interference and temperature changes. After scientifically dividing the defense area, the alarm location can be accurately determined, and the video monitoring system will display the video of the alarm point in conjunction with the video monitoring system.
Advantages: The entire security automation system has realized various systems based on the functions of monitoring and control, equipment distribution diagram display, linkage event management, information integration and comprehensive processing, statistical reports, abnormal situation alarms, and support for early warning. Resource sharing and optimized management of monitoring information. At the same time, the system fully considers the technological advancement and economic feasibility. For example, the monitoring system adopts front-end analog collection and back-end digital storage to ensure that high-quality data can be obtained with less investment.
In addition, based on the characteristics of Peking Union Medical College Hospital’s large leveling area, large flow of personnel, and relative independence of each functional area, the system adopts a mode of district control and unified scheduling in the application of the system. Harmony considers dividing the outpatient, emergency, and inpatient areas by setting access control on the main street porch. In each area, according to its own characteristics, such as the outpatient area medical staff, the inpatient area uses the first-floor lobby to set up speed gates to manage family visits. The start and stop of the above-mentioned facilities are all under the unified command of the central control room, and remote dispatch can be realized in conjunction with the video monitoring screen.
3. Integrated wiring system
The data backbone of the integrated wiring system uses optical fiber, the voice backbone uses large-pair cables, the horizontal subsystem uses Category 6 UTP twisted-pair cables, and the voice and data socket modules select RJ-45 standard interfaces, which can achieve high-quality communication from the backbone 10G to the desktop. platform.
(1) Work area subsystem. In order to adapt to the development of the network in the future and improve the interchangeability of the system, all the voice and data information sockets in the work area adopt six types of modular information sockets. According to needs, a total of 14,000 information points are set up at the front end, six types of unshielded information sockets are used, and optical fiber points are laid for special departments such as operating rooms and clinical laboratories.
(2) Horizontal subsystem. All levels use six types of UTP cables, telephone lines and data lines can be flexibly interchanged, which facilitates the interchange of all voice points and data points.
(3) Vertical subsystem. The system uses a star network structure, the data backbone uses a 48-core multi-mode optical cable, and the voice backbone uses a three-category 100 pair large logarithmic copper cable.
(4) Management subsystem. According to the distribution of information points on each floor, the system is divided into floors to set up IDFs for independent management. Each IDF uses rack-mounted distribution frames, 110 distribution frames and optical fiber distribution frames to terminate horizontal information points, vertical voice and data backbones.
(5) Building group subsystem. Taking into account the connection with other buildings, the computer room of the new building has respectively laid 24-core single-mode optical cables with the data center and the old courtyard for data transmission.
The integrated wiring system is the foundation of the hospital’s information network system. It is a bridge that realizes the internal exchange and internal and external connections of the outpatient building, emergency building, inpatient building and other systems. It is an advanced and reliable “information highway” laid by the hospital.
Advantages: The system is designed from the perspective of meeting the requirements of the hospital’s business. According to the different needs of inquiry, registration, waiting, see a doctor, examination, medicine withdrawal, surgery, etc., different numbers, different locations, and different heights of information points are set up for The wireless AP reserves enough points to ensure the full coverage of the building’s network in terms of technology and quantity.
4. Cable TV system
The cable television system is designed in accordance with the requirements of the 860MHz bandwidth cable television transmission system. TV spots are set up in the waiting area, ward, activity room and other areas to provide local cable TV programs to patients and medical staff who need to watch, and it should not affect the rest of other patients while watching them.
Advantages: The system can not only broadcast cable TV signals to patients through its own system points, but also transmit the signals to the building information release system to realize signal sharing and cross-platform playback.
5. Parking lot management system
The parking lot is located on the second and third floors of the underground, and the traffic flow is west in and east out. Taking into account the characteristics of high mobility of hospital vehicles, concentration during peak hours, and more complicated charging for entering and exiting vehicles, the parking lot management system has been designed as follows: a combination of server and industrial computer is used on the hardware, and C/S is used on the software. Architecture application and storage are relatively independent online billing mode. Automatic card pick-up machines are set up at the entrance, and 10 toll points are set up in the exit and parking lot. The central charge and exit charge are combined to achieve diversion, and the charge will be automatically swallowed after the card is swallowed. Lift the bar to let it go.
Advantages: The system minimizes manual operations in terms of technology and procedures to increase the traffic rate. In terms of vehicle management, three methods are used to manage external vehicles and vehicles in the hospital using induction IC cards for patients, access control cards for staff, and long-distance IC cards for unit vehicles. At the same time, high-definition camera equipment is used to extract license plate information, and it is released after confirming that it is the same card and the same vehicle, effectively preventing the occurrence of theft. In terms of parking space guidance, the method of ultrasonic detection of flat parking spaces and the way of reading parking space information in three-dimensional garages is used to locate the number of parking spaces in each area in real time. The LED display combined with the parking lot logo accurately shows the vacant parking spaces in the forward direction of the vehicle. Circumstances, so as to guide the vehicle to quickly find an empty parking space to ensure smooth traffic.
6. Background music and emergency broadcasting system
The background music and emergency broadcast system use the same set of equipment and lines. It can provide service broadcasts (music entertainment programs) and business broadcasts (missing notices, notices) for public areas in normal times. It has the functions of zone calling and volume control. When an emergency (such as a fire) occurs, it can automatically switch to the emergency broadcast working state according to the program instructions, and provide alarm linkage broadcast of any event and manual switch real-time broadcast to guide the evacuation of people. For example, when a fire alarm occurs, the alarm broadcast on the alarm floor and the adjacent upper and lower floors can be carried out.
Advantages: In operating rooms, medical examination centers and other areas that have special requirements for background music playback, local control is used to play the sound source, and the fire-fighting force cutting module is set in the shaft to complete the fire-fighting linkage, which not only meets the high-quality background music effect, but also achieves Has the emergency broadcast function.
7. ICU video visitation system
The ICU video visit system realizes visitation transfer, visit timing, monitoring interruption, image viewing, host calling extension, extension calling host by setting up a visitor at the bedside of the ICU ward, outside the observation window, and the visiting room, and setting the control host at the nurse station. , Multi-party calling and other functions. This system improves the ability of patient monitoring, reduces the workload of medical staff, and can provide the patient’s family members with a way to isolate and visit at an appropriate time, greatly improving the hospital’s ability to provide humanized services.
Advantages: The system can be used for both concentrated visits during visit time and independent visits outside the ward. Both are centrally controlled by the main unit of the nurse station, which is convenient for arranging visits according to different time periods and patient conditions.
8. Medical intercom system
The medical intercom system is mainly used in emergency EICU and inpatient wards. Two-way intercom call equipment is installed at the nurse station, the doorway of the ward and the bedside of the patient in each nursing unit of the ward. The door of the ward is equipped with light display equipment, the information display screen is installed in the corridor, and the call equipment for help is installed in the bathroom of the ward. The various nursing units are connected to each other. The system is not only a tool for communication between doctors and patients, but the patient information displayed on the device is more convenient for nursing staff to view, so that it can serve patients more humanely. In practical applications, the system also takes into account the overall design style of the hospital, which not only ensures complete functions, but also has good practicability and decoration.
Advantages: The system is designed according to the ward management system and nurses’ duty model. It is convenient to call and the prompt tone is clear, which is convenient for medical staff to locate and respond.
9. Outpatient medical guide call number and information release system
The outpatient medical guidance and information release system combined with HIS, through the doctor’s virtual pager, 800 LCD monitors in the waiting area, ceiling speakers and other hardware equipment to call patients into the clinic in an orderly manner, so that the hospital’s medical order and outpatient services Management has become more standardized and modern. In addition, the system is compatible with medical insurance cards and medical treatment cards, facilitating patients’ registration, medical treatment, and medicine collection.
Advantages: The system uses the existing network platform and display terminal, and uses a combination of software and hardware to integrate the functions of the two systems: calling number and information publishing. The display content can be re-planned and defined according to multiple requirements such as split screen, time period, division room, and division business. For example: In the first-level waiting area of each department, patients can clearly see the numbers of the patients in the current clinics on the call number screen, which reduces the number of consultations with nurses. When waiting in line, they can first learn about the consultation process and related medicine through the education screen Knowledge, the system will notify the patient in advance to prepare for the second-level waiting area through broadcasting. The screen of the second-level waiting area displays the information of the two patients in the consulting room. The patient only needs to follow the instructions on the screen to see the doctor smoothly.
10. Surgical teaching system
The surgical teaching system is a system of SD and HD surgical video and audio shooting, broadcasting and storage based on a high-performance network platform. The system is composed of video and audio collection subsystem, broadcast subsystem, and operating room broadcast subsystem. The video and audio collection subsystem includes front-end cameras, pickups, and front-end digital video and audio matrix; the broadcast control subsystem is composed of a central control host. And video storage server; operating room broadcast subsystem is composed of medical video workstations, multimedia projectors, and electric projection screens. The video and audio acquisition subsystem is set in each operating room, the broadcast control subsystem is set in the master control center, and the operating room broadcast subsystem is set in each display classroom, so that the scene of the operating room that needs to be watched can be called in the display classroom. The system also supports the functions of webcasting, network storage, on-demand broadcasting, and relaying of live video and audio materials. Each surgical demonstration classroom is equipped with 3 channels of video and 2 channels of audio.
Advantages: The system is planned and built according to multiple specifications of video and audio technical parameters, supports SD and HD video and audio signals, and reserves multiple channels of video and audio switching and conversion equipment, which not only meets the needs of the original equipment platform of the hospital, but also facilitates future Upgrade and expansion.
11. Intelligent operating room system
The intelligent operating room system mainly includes two aspects: the digital operating room system and the item tracking and positioning system.
The digital operating room system is composed of 10 digital operating room touch control screens, central control equipment, terminal display screens, etc. It can independently complete the start and stop of the light source, air conditioning, equipment, audio-visual equipment, etc. in the operating room on the touch control screen It can also transmit various status signals in the operating room to other systems in the building, such as the surgical teaching system.
The item tracking and positioning system consists of nearly 100 terminal antennas and centralized control equipment in the operating area and the central supply room. RFID tags are pasted on medical equipment, a large amount of equipment information is stored in the tags, and corresponding information for each maintenance inspection is also stored in the tags. The required medical equipment can be searched through the reader positioning function, and the missing equipment can also be counted.
Advantages: The intelligent system of the operating room reduces the operation of the equipment by the medical staff, reduces the management difficulty, and facilitates daily maintenance.
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