With the transformation of modern medical mode, hospital buildings have risen from simply meeting the requirements of medical functions to paying more attention to the physical and mental health of patients and medical staff. Hospital architectural design pays more and more attention to the perception and evaluation of patients and medical staff on the built environment. Due to the particularity of the medical environment requirements, medical staff and patients need a quieter space for diagnosis and treatment, so how to deal with the noise problem is a key point in the hospital building design.

In the hospital, an automatic monitoring system of environmental noise should be built with reasonable layout, advanced equipment, accurate data and stable operation, so as to realize the full coverage of online automatic monitoring of noise at all sensitive points in the hospital. Through real-time monitoring of environmental noise data in the hospital, the change law of hospital noise emission and the characteristics of noise emission intensity can be mastered. The hospital environmental noise real-time data transmission to the monitoring command center, in order to make the noise data analysis, statistics, query, grasp the noise emission change law and noise emission intensity characteristics and real-time reflect the noise environment changes, promote and strengthen patients and medical staff of hospital environmental noise participation and supervision, so as to fully protect the medical patients´ right to know, motivate the public participation to protect the environment.

Monitoring of acoustic environment quality at representative points of hospitals, Realize the automatic monitoring of different environmental noise quality and noise traceability, And establish an environmental noise information database, To realize the complex functions such as data analysis, processing and fusion of hospital environmental noise pollution, Make various quality control tasks and standard transmission and other complex tasks to be automated execution and feedback; To build intelligent applications for leaders at all levels and in various scenarios, including comprehensive display, decision assistance, analysis and judgment, implementation, emergency response, monitoring and alarm, joint prevention and control, Realize the information and intelligent management of hospital noise pollution emission, To provide a technical basis for controlling hospital environmental noise and improving acoustic hospital environmental quality, Effectively improve the level of hospital acoustic environment management, To provide modern technical support for medical staff and patients with a quieter space for diagnosis and treatment.

Sound environment and noise monitoring system

In hospital public open area construction noise automatic monitoring system, through the Internet of things technology and field instruments and instruments connectivity, complete the hospital environment noise data acquisition in real time, and statistical analysis of the data collection, calculation of noise value, is a simple type of outdoor the noise automatic monitoring system, it shows by the data screen, noise sensor, data acquisition statistical analysis software, wireless transmission module, server cloud platform software, WeChat client, etc.

 The noise meter has a large measurement range, strong function and good stability, and can realize remote video monitoring, remote broadcasting and other functions. It can be widely used in noise monitoring in various functional areas of hospitals. It adopts advanced digital detection technology, which has the advantages of high reliability, good stability, wide dynamic range and no range conversion. Product style appearance of a variety of choices, fully consider different application occasions for installation and use.

The primary noise online monitoring system meets the standards of GB / T3785-20101 levels and GB / T3241-20101 levels. Compared with the second sound level meter, the first sound level meter has a wider range, higher accuracy and larger temperature range. When the accuracy requirement is high, apply a first-level sound level meter; if the measured sound frequency is very high. In addition, the local noise of the first-level sound level meter is lower and the lower measurement limit is lower. All national standards such as GB12348 and GB22337 require that when the measured noise is less than 35dB, a 1-level sound level meter is applied. This configuration is suitable for the construction of national standard standard functional area noise monitoring system, such as regional acoustic environment monitoring, functional area acoustic environment monitoring, urban acoustic environment monitoring, etc. It can monitor the equivalent sound level meter, cumulative percentage sound level, maximum value, minimum value, standard deviation, etc. The meter has a large measurement range, strong function and good stability.

product formation

(1)  All-weather outdoor microphone

Outdoor microphone has wind, rain, dust and interference design to adapt to the purpose of outdoor long-term continuous use. The wind hood of the outdoor microphone will interfere with the accuracy of the noise test. The outdoor sensor used in our environmental noise online monitoring system has obtained the type approval certificate of China. The outdoor sensor can ensure wind, rain, dust and bird stop, while still ensuring that the frequency response of the microphone meets the frequency response requirements of level 2 sensor in GB / T3785-2010.

(2) Noise acquisition and analysis unit

The noise acquisition and analysis unit has the function of signal acquisition and data analysis, and can ensure data storage. The noise collection and analysis unit of the environmental noise online monitoring system is not simply an internal sound level meter for signal acquisition, but an industrial level industrial control machine, which specially developed the signal acquisition software suitable for the automatic noise level monitoring system

(3)  Communication unit

Realize the data communication from the noise substation to the software server of the noise monitoring system. The online monitoring system of noise of environment adopts 4G wireless communication, which can meet the basic data transmission of the system and ensure the stability of transmission.

(4) chassis

The environmental noise in the online monitoring system adopts all-weather protective box, using anti-corrosion and rust prevention material, which is in line with the IP55 standard. It is used for placing the noise collection and analysis unit, data acquisition board, power control unit, etc., to play the role of wind prevention, rain prevention and anti-theft.

(5)  Vertical rod auxiliary

The frame rod and bracket are made of anti-corrosion and rust-metal material, which can be convenient for sound calibration and maintenance, reliable lightning protection design and grounding design. The effective design life of the material and structure is not less than 10 years.

(6)  Ball machine camera and sound pickup

The real-time monitoring of the field environment can be realized, the data can exceed the field environmental video and environmental noise pickup, and the actual situation of the scene can be viewed through the video playback function of the platform.

(7) column loudspeaker

This configuration can realize the function of remote propaganda, and the management personnel can check the situation on the scene through the remote camera. If serious noise pollution behavior is found, they can shout remotely through the APP, and the site personnel hear the instructions. At the same time, they can talk with the background management personnel through the field equipment pickup.

(8)  Acoustic probe

The acoustic probe adopts advanced sound imaging algorithm, collects sound signals through dozens of high-precision microphones at the same time, processes in real time on the built-in chip, generates sound cloud map, visualizes the sound, so as to locate the noise pollution points. The latest upgrade covers the area to achieve a large range of capture.

(9)  Acoustic positioning radar

omnidirectional acoustic radar is mainly used in 360° within the specified direction, environmental noise monitoring, special audio event detection and sound source location, such as vehicle horns, special vehicle siren (fire engines, ambulance, police car), modified car, gunfire, etc., at the same time can cooperate with the ball machine sound linkage, widely used in all kinds of public transportation and wisdom city safety monitoring system.

Product Parameter

Product characteristics

u High integration, flexible scheme (optional): the system can expand the integration of dust (PM2.5, PM10, TSP), temperature and humidity, weather and other elements;

u Equipped with a wind hood, when measured in windy conditions can be used to reduce the impact of wind noise;

u Complete functions, can achieve the data exceeding color (optional), sound and optical alarm and other functions;

u Data set collection, transmission, release and display in one. Through high integration, flexible solutions, modular deployment, can fully meet the needs of different occasions;

u No tool disassembly, convenient for point migration and equipment maintenance;

u LED wireless information release platform: simple operation, convenient management, stable transmission and high reliability; text and other program information, not limited by distance and widely used; the terminal can be transmission and save traffic;

u Excessive discoloration (optional): LED screen display with excessive discoloration alarm display function;

u 24-hour automatic monitoring, without manual intervention, stable and reliable;

u  Excessive ise alarm by setting alarm conditions;

u Combined with WEB interface to view real-time data, statistical curves and other information anytime and anywhere, efficiently manage noise pollution.

Featured function

1. Temperature heating

In order to adapt to the ultra-low temperature climate environment, the equipment is equipped with a constant temperature heating device, and a constant temperature heating device is set on the equipment. When the ambient temperature is lower than the temperature set by the device, the heating is automatically started to maintain the constant temperature, so as to avoid the low temperature of the equipment affecting the operation of the equipment.

2. Breakpoint transmission (optional)

In order to prevent the device from being disconnected and lead to the loss of monitoring data, our company has developed the breakpoint continuous transmission function. When the network interruption is detected by the device, the monitoring data will be automatically saved to the local area. After the device recovers the network, the monitored data during the disconnection period will be automatically uploaded to the server for storage.

3.Overstandard alarm

The device can set the alarm threshold and support remote setting. When the noise data exceeds the value, the device will automatically alarm and upload it to the supervision platform to remind the supervisor through the PC terminal platform or mobile wechat terminal. If the device is equipped with an alarm, it can automatically linkage the alarm for sound and light alarm

4. Excessive recording (optional)

Equipped with a pickup, support the data trigger recording function and remote playback function, can view the noise scene screen and sound synchronous playback.

5. Remote calibration

With the function of remote automatic calibration, the electrostatic actuator is opened by remote sending ACT command. The electrostatic motivator generates 94dB sound pressure level by default, and the remote calibration ensures the accuracy of the data and eliminates the trouble of supervisors for on-site maintenance.

6. Sound source positioning (optional)

With noise source positioning function, through precise positioning and microphone phase matching algorithm, intuitive show the direction of the noise source, can level 360°, 180° vertical visualization of noise source graphics, noise source direction resolution accurate to 1°, can eliminate other direction of noise interference, only focus on the specified area source size, perfectly adapt to the school, park, square, street noise source recognition, realize fast effective control.

Noise monitoring and comprehensive control cloud platform

Sound environment automatic monitoring data statistical analysis platform is by our company ten years noise application management experience, meet the demand of users comprehensive noise business management application software, in line with the national sound environment quality automatic monitoring standard (HJ 906 and HJ 907) requirements, is widely used in the national professional noise automatic monitoring management system.

 This system can realize the noise pollution source monitoring real-time emission level monitoring at the same time, can automatically warning excessive noise emission behavior, through the intelligent analysis of noise source characteristics, automatic linkage camera capture forensics, form excessive event alarm information, remind on the spot of the main rectification, and notify the law enforcement and supervision departments to supervise the implementation. Through computer and mobile phone, the noise pollution emissions track, video monitoring, excessive recording, excessive alarm, historical inquiry, on-site law enforcement and other functions, with on-site alarm, alarm push and other alarm notification, which provides a strong basis for noise data network management and real-time data analysis.

The large screen of acoustic environment displays the real-time status, monitoring data and noise pollution diffusion map of all front-end equipment, which facilitates the management department to better implement the overall monitoring, early warning and coordination of pollution emissions, timely control excessive emissions, and avoid the expansion of environmental pollution. Through the platform, the distribution of noise monitoring points can be viewed in real time, noise problems can be located, and fault diagnosis and noise control can be carried out through data analysis.